incremented version.

translates to rjmp/rcall on MCUs with up to 8K flash and to jmp/call
on others.

apps/aqhome-tool/nodes/getnodes.c

@@ -58,6 +58,7 @@ static AQH_MESSAGE *_createRequestMessage(AQH_OBJECT *o, uint32_t msgId);
 static int _handleResponseMessage(AQH_OBJECT *o, const AQH_MESSAGE *msg, const GWEN_TAG16_LIST *tagList, int first);
 static void _printNode(const AQH_NODE_INFO *ni, int printAll);
 static void _printUintAsTextOrHex(uint32_t u, int bits);
+static void _printDeviceIdAsTextOrHex(uint32_t u, int version);
 
 
 
@@ -163,9 +164,7 @@ void _printNode(const AQH_NODE_INFO *ni, int printAll)
     _printUintAsTextOrHex(u, 32);
     fprintf(stdout, ":");
     u=AQH_NodeInfo_GetDeviceType(ni);
-    _printUintAsTextOrHex(u, 16);
-    u=AQH_NodeInfo_GetDeviceVersion(ni);
-    fprintf(stdout, " v%d.%d", (u>>8) & 0xff, u & 0xff);
+    _printDeviceIdAsTextOrHex(u, AQH_NodeInfo_GetDeviceVersion(ni));
     u=AQH_NodeInfo_GetFirmwareVersion(ni);
     fprintf(stdout, ", firmware=%d.%d.%d (%d), ",
 	    (u>>16) & 0xff, (u>>8) & 0xff, u & 0xff, (u>>24) & 0xff);
@@ -189,6 +188,36 @@ void _printNode(const AQH_NODE_INFO *ni, int printAll)
 
 
 
+void _printDeviceIdAsTextOrHex(uint32_t u, int version)
+{
+  int i;
+  uint8_t d;
+  int hasNonPrintable=0;
+  int hasPrintable=0;
+
+  for (i=0; i<16; i+=8) {
+    d=((u>>i) & 0xff);
+    if (d==0) { /* undecided */
+    }
+    else if (isalnum(d))
+      hasPrintable=1;
+    else
+      hasNonPrintable=1;
+  }
+  if (hasNonPrintable || !hasPrintable)
+      fprintf(stdout, "%02x v%d.%d", u, (version>>8) & 0xff, version & 0xff);
+  else {
+    for (i=0; i<16; i+=8) {
+      d=((u>>i) & 0xff);
+
+      fprintf(stdout, "%c", d?d:' ');
+    }
+    fprintf(stdout, "%2d (%d)", (version>>8) & 0xff, version & 0xff);
+  }
+}
+
+
+
 void _printUintAsTextOrHex(uint32_t u, int bits)
 {
   int i;

avr/apps/network/main.asm

@@ -111,6 +111,8 @@ AppNetwork_HandleMsg:
   sbiw xh:xl, NETMSG_OFFS_CMD
   cpi r16, NETMSG_CMD_REBOOT_REQUEST
   breq AppNetwork_HandleMsg_handleRebootMsg
+  cpi r16, NETMSG_CMD_PING
+  breq AppNetwork_HandleMsg_handlePingMsg
   cpi r16, NETMSG_CMD_NEED_ADDRESS
   brcs AppNetwork_HandleMsg_clcRet         ; lower than "HAVE_NEED"
   cpi r16, NETMSG_CMD_ADDRESS_RANGE
@@ -138,6 +140,13 @@ AppNetwork_HandleMsg_handleRebootMsg:
     pop xh
   pop xl
   ret
+AppNetwork_HandleMsg_handlePingMsg:
+  push xl
+    push xh
+      rcall appNetworkHandlePingRequest
+    pop xh
+  pop xl
+  ret
 AppNetwork_HandleMsg_clcRet:
   clc
   ret
@@ -155,13 +164,33 @@ appNetworkHandleRebootRequest:
   brcc appNetworkHandleRebootRequest_end
   ; reboot
   cli
-  rjmp BOOTLOADER_ADDR
+  bigjmp BOOTLOADER_ADDR
 appNetworkHandleRebootRequest_end:
   ret
 ; @end
 
 
 
+appNetworkHandlePingRequest:
+  adiw xh:xl, NETMSG_OFFS_SRCADDR
+  ld r17, X
+  push r17
+    rcall NET_Buffer_Alloc               ; (R16, R17, X)
+  pop r17
+  brcc appNetworkHandlePingRequest_end   ; jmp on error
+  push r16                               ; buffer num
+    mov r16, r17                         ; DEST addr
+    adiw xh:xl, 1
+    ldi yl, LOW(netInterfaceData)
+    ldi yh, HIGH(netInterfaceData)
+    rcall NETMSG_Pong_Write              ; (R16, R17, R18, R19, R20, X)
+    sbiw xh:xl, 1
+  pop r16                                ; buffer num
+  rcall NET_Interface_AddOrReleaseOutMsg ; (R16, R17, R18, X)
+appNetworkHandlePingRequest_end:
+  ret
+
+
 
 appNetworkTimerTable:
   rjmp appNetworkHandleStateInitialWait
@@ -220,7 +249,7 @@ appNetworkHandleStateHaveAddress2:
     cli
     ldi xl, LOW(EEPROM_OFFS_COMADDR)
     ldi xh, HIGH(EEPROM_OFFS_COMADDR)
-    rcall Utils_WriteEepromIncr            ; write address to EEPROM
+    bigcall Utils_WriteEepromIncr            ; write address to EEPROM
     out SREG, r15
   pop r15
 appNetworkHandleStateHaveAddress2_end:
@@ -233,7 +262,6 @@ appNetworkHandleStateUp:
   ret
 
 
-
 ; ---------------------------------------------------------------------------
 ; @routine appNetworkSendMsgNextState
 ;
@@ -423,7 +451,7 @@ appNetworkGetAddressFromEeprom:
     cli
     ldi xl, LOW(EEPROM_OFFS_COMADDR)
     ldi xh, HIGH(EEPROM_OFFS_COMADDR)
-    rcall Utils_ReadEepromIncr             ; (R16)
+    bigcall Utils_ReadEepromIncr             ; (R16)
     out SREG, r15
   pop r15
   ret

avr/apps/stats/main.asm

@@ -53,6 +53,19 @@ AppStats_Fini:
 ;
 
 AppStats_OnEveryMinute:
+  push r15
+    in r15, SREG
+    cli
+    rcall AppStats_OnEveryMinute_noIrq
+    out SREG, r15
+  pop r15
+  ret
+
+AppStats_OnEveryMinute_noIrq:
+;  ldi yl, LOW(netInterfaceData)
+;  ldi yh, HIGH(netInterfaceData)
+;  rcall AppNetwork_SendRxdStats     ; debug
+  
   lds r16, appStatsTimer
   inc r16
   cpi r16, APP_STATS_INTERVAL_MINS
@@ -149,7 +162,7 @@ appStatsSend16BitValue:
   ldi r20, 1
   clr r21
   ldi r22, AQHOME_VALUETYPE_STATS
-  rjmp Main_SendValueReport
+  bigjmp Main_SendValueReport
 ; @end
 
 

avr/common/calls.asm

@@ -0,0 +1,30 @@
+; ***************************************************************************
+; copyright   : (C) 2025 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+
+
+.macro bigcall
+.if FLASHEND >= 0x1000
+  call @0
+.else
+  rcall @0
+.endif
+.endmacro
+
+
+.macro bigjmp
+.if FLASHEND >= 0x1000
+  jmp @0
+.else
+  rjmp @0
+.endif
+.endmacro
+
+
+

avr/common/debug.asm

@@ -38,6 +38,8 @@ DEBUG2:
 ; @clobbers (R16, R18, R22, R24, R25)
 
 blinkLed:
+  sbi LED_SIMPLE_DDR, LED_SIMPLE_PINNUM     ; out
+blinkLed_loop:
     cbi LED_SIMPLE_PORT, LED_SIMPLE_PINNUM  ; on
     mov r22, r20
     rcall waitForMultiple100ms              ; (R252
@@ -45,7 +47,7 @@ blinkLed:
     mov r22, r21
     rcall waitForMultiple100ms              ; (R22)
     dec r19
-  brne blinkLed  
+  brne blinkLed_loop
   ret
 
 
@@ -74,7 +76,7 @@ waitFor10ms:
   ldi r22, 100
 waitFor10ms_loop:
     push r22
-      rcall Utils_WaitFor100MicroSecs
+      bigcall Utils_WaitFor100MicroSecs
     pop r22
     dec r22
   brne waitFor10ms_loop

avr/defs_all.asm

@@ -7,6 +7,7 @@
 ; * Please see toplevel file COPYING of that project for license details.   *
 ; ***************************************************************************
 
+.error "Dont include this, use devices/all/defs.asm instead"
 
 
 .equ AQHOME_VALUETYPE_UNKNOWN  = 0

avr/devices/0BUILD

@@ -25,11 +25,14 @@
   <subdirs>
     all
     c01
+    c02
     n16
+    n20
     n21
     n22
     n23
     n24
+    n25
     t03
   </subdirs>
 

avr/devices/all/apps.asm

@@ -26,27 +26,27 @@ initApps:
 #ifdef APPS_NETWORK
   ldi yl, LOW(netInterfaceData)
   ldi yh, HIGH(netInterfaceData)
-  rcall AppNetwork_Init
+  bigcall AppNetwork_Init
 #endif
 
 #ifdef APPS_MOTION
-  rcall AppMotion_Init
+  bigcall AppMotion_Init
 #endif
 
 #ifdef APPS_DOOR
-  rcall AppDoor_Init
+  bigcall AppDoor_Init
 #endif
 
 #ifdef APPS_REPORTSENSORS
-  rcall AppReportSensors_Init
+  bigcall AppReportSensors_Init
 #endif
 
 #ifdef APPS_STATS
-  rcall AppStats_Init
+  bigcall AppStats_Init
 #endif
 
 #ifdef APPS_MA_LIGHT
-  rcall AppMotionLight_Init
+  bigcall AppMotionLight_Init
 #endif
 
   ; done
@@ -78,11 +78,11 @@ mainAppsOnPacketReceived:
     ; handle messages
     ldi yl, LOW(netInterfaceData)
     ldi yh, HIGH(netInterfaceData)
-    rcall AppNetwork_HandleMsg
+    bigcall AppNetwork_HandleMsg
 #endif
 
 #ifdef APPS_MA_LIGHT
-    rcall AppMotionLight_OnPacketReceived
+    bigcall AppMotionLight_OnPacketReceived
 #endif
 
 ; add more here

avr/devices/all/defs.asm

@@ -7,7 +7,6 @@
 ; * Please see toplevel file COPYING of that project for license details.   *
 ; ***************************************************************************
 
-
 ; ---------------------------------------------------------------------------
 ; Value types
 

avr/devices/all/hw_m644p.asm

@@ -0,0 +1,136 @@
+; ***************************************************************************
+; copyright   : (C) 2025 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+; Hardware routine  for AtMega 644P devices
+
+
+.cseg
+
+
+; ---------------------------------------------------------------------------
+; @routine systemInitHardware
+;
+
+systemInitHardware:
+  ; set all ports as inputs and enable internal pull-up resistors
+  ldi r16, 0xff
+  clr r17
+
+  out DDRA, r17  ; all input
+  out PORTA, r16 ; enable pull-up on all
+
+  out DDRB, r17  ; all input
+  out PORTB, r16 ; enable pull-up on all
+
+  out DDRC, r17  ; all input
+  out PORTC, r16 ; enable pull-up on all
+
+  out DDRD, r17  ; all input
+  out PORTD, r16 ; enable pull-up on all
+
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine systemSetSpeed
+;
+
+systemSetSpeed:
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine systemSleep
+;
+
+systemSleep:
+  ; only modify SE, SM2, SM1 and SM0
+  cli
+
+  inr r16, SMCR
+  cbr r16, (1<<SE) | (0<<SM2) | (0<<SM1) | (0<<SM0)
+  outr SMCR, r16
+
+  sei                        ; make sure interrupts really are enabled
+
+  inr r16, SMCR       ; enable sleep mode
+  sbr r16, (1<<SE)
+  outr SMCR, r16
+
+  sleep                      ; sleep, wait for interrupt
+
+  inr r16, SMCR       ; disable sleep mode
+  cbr r16, (1<<SE)
+  outr SMCR, r16
+
+  ret
+; @end
+
+
+
+
+
+; ---------------------------------------------------------------------------
+; @routine systemSetupTimer0
+;
+
+systemSetupTimer0:            ; setup timer for IRQ every 100ms
+  ldi r16, (1<<WGM01) | (0<<WGM00)  ; Prescaler 1024, CTC mode
+  outr TCCR0A, r16
+
+  ldi r16, (1<<CS02) | (0<<CS01) | (1<<CS00) | (0<<WGM02) ; Prescaler 1024, CTC mode
+  outr TCCR0B, r16
+
+;
+; Settings for clock 1Mhz (default)
+; use timer0 with OCR0A=98-1 (irq every 97.65625 millisecs), baseTimerModuleReloadValue 1
+;
+.if clock == 1000000
+  ; CMP-A interrupt about every 100ms
+  ldi r16, 98-1      ; (1,000,000/1024)/10 = 97.65625
+  outr OCR0A, r16
+
+  ldi r16, 1
+  sts baseTimerModuleReloadValue, r16
+  sts baseTimerModuleTickCounter, r16
+.endif
+
+;
+; Settings for clock 8Mhz
+; use timer0 with OCR0=78 (irq every 9.984 millisecs), baseTimerModuleReloadValue 10
+;
+.if clock == 8000000
+  ; CMP interrupt about every 10ms
+  ldi r16, 78-1
+  outr OCR0A, r16
+
+  ldi r16, 10
+  sts baseTimerModuleReloadValue, r16
+  sts baseTimerModuleTickCounter, r16
+.endif
+
+  ldi r16, (1<<OCF0A)         ; clear pending interrupts
+  outr TIFR0, r16
+  
+  inr r16, TIMSK0
+  sbr r16, (1<<OCIE0A)        ; Timer/Counter0 Output Compare Match A Interrupt Enable
+  outr TIMSK0, r16
+.endif
+
+  sec
+  ret
+; @end
+
+
+
+

avr/devices/all/hw_tn84.asm

@@ -72,13 +72,14 @@ systemSleep:
   ; only modify SE, SM1 and SM0
   cli
   in r16, MCUCR
-  ldi r17, (1<<SE) | (1<<SM1) | (1<<SM0)
-  neg r17
-  and r16, r17
-  ori r16, (1<<SE)           ; sleep mode "idle", enable
+  cbr r16, (1<<SE) | (1<<SM1) | (1<<SM0)
+  out MCUCR, r16
+  sbr r16, (1<<SE) | (0<<SM1) | (0<<SM0)  ; sleep mode "idle", enable
   out MCUCR, r16
   sei                        ; make sure interrupts really are enabled
   sleep                      ; sleep, wait for interrupt
+  cbr r16, (1<<SE) | (1<<SM1) | (1<<SM0)
+  out MCUCR, r16
   ret
 ; @end
 
@@ -90,7 +91,7 @@ systemSleep:
 ;
 
 systemSetupTimer0:            ; setup timer for IRQ every 100ms
-  ldi r16, (1<<CS02) | (0<<CS01) | (1<<CS00)  ; Prescaler 1024
+  ldi r16, (0<<WGM02) | (1<<CS02) | (0<<CS01) | (1<<CS00)  ; Prescaler 1024
   out TCCR0B, r16
   
   ldi r16, (1<<WGM01) | (0<<WGM00)             ; CTC mode
@@ -125,19 +126,12 @@ systemSetupTimer0:            ; setup timer for IRQ every 100ms
 
 
   ldi r16, (1<<OCF0A)             ; clear pending interrupts
-.ifdef TIFR0
   out TIFR0, r16
-.else
-  out TIFR, r16
-.endif
   
   ldi r16, (1<<OCIE0A)            ; Timer/Counter0 Output Compare Match A Interrupt Enable
-.ifdef TIMSK0
   out TIMSK0, r16
-.else
-  out TIMSK, r16
-.endif
-  sec
+ 
+ sec
   ret
 ; @end
 

avr/devices/all/includes.asm

@@ -54,7 +54,8 @@
 #ifdef MODULES_UART_BITBANG
 .include "modules/uart_bitbang2/defs.asm"
 .include "modules/uart_bitbang2/iface.asm"
-.include "modules/uart_bitbang2/lowlevel.asm"
+.include "modules/uart_bitbang2/bytelevel.asm"
+.include "modules/uart_bitbang2/msglevel.asm"
 #endif
 
 #ifdef MODULES_UART_HW
@@ -196,6 +197,7 @@
 .include "apps/network/main.asm"
 .include "modules/network/msg/reboot-d.asm"
 .include "modules/network/msg/reboot-r.asm"
+.include "modules/network/msg/pong-w.asm"
 #endif
 
 

avr/devices/all/main.asm

@@ -8,6 +8,7 @@
 ; ***************************************************************************
 
 
+
 ; ***************************************************************************
 ; code
 
@@ -31,16 +32,16 @@ main:
 
 ;  rcall watchdogOff        ; turn off watchdog timer (sometimes it stays on after reboot)
 
-  rcall systemSetSpeed
-  rcall systemInitHardware
-  rcall Utils_Init
-  rcall Utils_SetupUid
-  rcall initModules
-  rcall initApps
-  rcall Utils_InitialWait
+  bigcall systemSetSpeed
+  bigcall systemInitHardware
+  bigcall Utils_Init
+  bigcall Utils_SetupUid
+  bigcall initModules
+  bigcall initApps
+  bigcall Utils_InitialWait
   sei ; Enable interrupts
 
-  rcall onSystemStart
+  bigcall onSystemStart
 
 #ifdef MODULES_LED
   ldi xl, LOW(blinkPattern)  ; debug: set blink pattern
@@ -53,11 +54,11 @@ main:
 #endif
 
 main_loop:
-    rcall systemSleep   ; system-dependant
-    rcall runModules
-    rcall runApps
+    bigcall systemSleep   ; system-dependant
+    bigcall runModules
+    bigcall runApps
     
-    rcall onEveryLoop   ; call into main app
+    bigcall onEveryLoop   ; call into main app
     
 #ifdef MODULES_NETWORK
   #ifndef MAIN_WITHOUT_MSG_HANDLING
@@ -69,7 +70,7 @@ main_loop:
 
 main_loop_reboot:
   cli
-  rjmp BOOTLOADER_ADDR
+  bigjmp BOOTLOADER_ADDR
 ; @end
 
 
@@ -80,53 +81,53 @@ main_loop_reboot:
 ; Called every 100ms. No arguments, no results.
 
 onSystemTimerTick:
-  rcall onEvery100ms
+  bigcall onEvery100ms
 
 #ifdef MODULES_CLOCK
-  rcall Clock_Every100ms           ; generates calls to onEverySecond/Minute/Hour/Day
+  bigcall Clock_Every100ms           ; generates calls to onEverySecond/Minute/Hour/Day
 #endif
 
 #ifdef MODULES_LED_SIMPLE
-  rcall LedSimple_Every100ms
+  bigcall LedSimple_Every100ms
 #endif
 
 #ifdef MODULES_UART_BITBANG
-  rcall UART_BitBang_Every100ms
+  bigcall UART_BitBang_Every100ms
 #endif
 
 #ifdef MODULES_UART_HW
-  rcall NET_Uart_Every100ms
+  bigcall NET_Uart_Every100ms
 #endif
 
 #ifdef MODULES_TTYONUART1
-  rcall TtyOnUart1_Periodically
+  bigcall TtyOnUart1_Periodically
 #endif
 
 #ifdef MODULES_COMONUART0
-  rcall ComOnUart0_Periodically
+  bigcall ComOnUart0_Periodically
 #endif
 
 #ifdef MODULES_TCRT1000
-  rcall TCRT1K_Every100ms
+  bigcall TCRT1K_Every100ms
 #endif
 
 
 #ifdef APPS_NETWORK
   ldi yl, LOW(netInterfaceData)
   ldi yh, HIGH(netInterfaceData)
-  rcall AppNetwork_Every100ms
+  bigcall AppNetwork_Every100ms
 #endif
 
 #ifdef APPS_MOTION
-  rcall AppMotion_Every100ms
+  bigcall AppMotion_Every100ms
 #endif
 
 #ifdef APPS_DOOR
-  rcall AppDoor_Every100ms
+  bigcall AppDoor_Every100ms
 #endif
 
 #ifdef APPS_MA_LIGHT
-  rcall AppMotionLight_Every100ms
+  bigcall AppMotionLight_Every100ms
 #endif
   
   ret
@@ -138,32 +139,32 @@ onSystemTimerTick:
 
 sysOnEverySecond:
 #ifdef MODULES_DS18B20
-  rcall Ds18b20_OnEverySecond
+  bigcall Ds18b20_OnEverySecond
 #endif
 
 #ifdef APPS_REPORTSENSORS
-  rcall AppReportSensors_OnEverySecond
+  bigcall AppReportSensors_OnEverySecond
 #endif
-  rjmp onEverySecond
+  bigjmp onEverySecond
 ; @end
 
 
 sysOnEveryMinute:
 #ifdef APPS_STATS
-  rcall AppStats_OnEveryMinute
+  bigcall AppStats_OnEveryMinute
 #endif
 
-  rjmp onEveryMinute
+  bigjmp onEveryMinute
 ; @end
 
 
 sysOnEveryHour:
-  rjmp onEveryHour
+  bigjmp onEveryHour
 ; @end
 
 
 sysOnEveryDay:
-  rjmp onEveryDay
+  bigjmp onEveryDay
 ; @end
 
 #endif
@@ -175,17 +176,17 @@ sysOnEveryDay:
 ; @routine mainHandleMessages
 
 mainHandleMessages:
-  rcall NET_GetNextIncomingMsgNum           ; R16=msg num
+  bigcall NET_GetNextIncomingMsgNum           ; R16=msg num
   brcc mainHandleMessages_end
-  rcall NET_Buffer_Locate                   ; X=buffer addr (R17)
+  bigcall NET_Buffer_Locate                   ; X=buffer addr (R17)
   adiw xh:xl, 1
 
   push r16
-    rcall onMessageReceived
-    rcall mainModulesOnPacketReceived
-    rcall mainAppsOnPacketReceived
+    bigcall onMessageReceived
+    bigcall mainModulesOnPacketReceived
+    bigcall mainAppsOnPacketReceived
   pop r16
-  rcall NET_Buffer_ReleaseByNum
+  bigcall NET_Buffer_ReleaseByNum
   sec
 mainHandleMessages_end:
   ret

avr/devices/all/modules.asm

@@ -22,22 +22,22 @@
 ; Call init functions of the used modules. Add your routine calls here.
 
 initModules:
-  rcall BaseTimer_Init ; unconditionally call this
+  bigcall BaseTimer_Init ; unconditionally call this
 
 #ifdef MODULES_HEAP
-  rcall Heap_Init
+  bigcall Heap_Init
 #endif
 
 #ifdef MODULES_CLOCK
-  rcall Clock_Init
+  bigcall Clock_Init
 #endif
 
 #ifdef MODULES_TIMER
-  rcall Timer_Init
+  bigcall Timer_Init
 #endif
 
 #ifdef MODULES_XRAM
-  rcall XRAM_Init
+  bigcall XRAM_Init
 #endif
 
 #ifdef MODULES_LED
@@ -45,107 +45,107 @@ initModules:
   ldi zh, HIGH(ledA3Flash)
   ldi yl, LOW(ledA3Sram)
   ldi yh, HIGH(ledA3Sram)
-  rcall Led_Init
+  bigcall Led_Init
 #endif
 
 #ifdef MODULES_LED_SIMPLE
-  rcall LedSimple_Init
+  bigcall LedSimple_Init
 #endif
   
 #ifdef MODULES_COM
-  rcall Com2_Init   ; init COM module
-  rcall CPRO_Init   ; init COM protocol module
+  bigcall Com2_Init   ; init COM module
+  bigcall CPRO_Init   ; init COM protocol module
 #endif
 
 #ifdef MODULES_NETWORK
-  rcall NET_Init
+  bigcall NET_Init
 #endif
 
 #ifdef MODULES_UART_BITBANG
-  rcall UART_BitBang_Init
+  bigcall UART_BitBang_Init
 #endif
 
 #ifdef MODULES_UART_HW
-  rcall NET_Uart_Init
+  bigcall NET_Uart_Init
 #endif
 
 #ifdef MODULES_TTYONUART1
-  rcall TtyOnUart1_Init
+  bigcall TtyOnUart1_Init
 #endif
 
 #ifdef MODULES_COMONUART0
-  rcall ComOnUart0_Init
+  bigcall ComOnUart0_Init
 #endif
 
 #ifdef MODULES_MOTION
-  rcall Motion_Init
+  bigcall Motion_Init
 #endif
 
 #ifdef MODULES_TWI_MASTER
-  rcall TWI_Master_Init
+  bigcall TWI_Master_Init
 #endif
 
 #ifdef MODULES_OWI_MASTER
-  rcall OwiMaster_Init
+  bigcall OwiMaster_Init
 #endif
 
 #ifdef MODULES_SPI_HW
-  rcall SPIHW_Init
+  bigcall SPIHW_Init
 #endif
 
 #ifdef MODULES_LCD
-  rcall LCD_Init
+  bigcall LCD_Init
 #endif
 #ifdef MODULES_BMP280
-  rcall BMP280_Init
+  bigcall BMP280_Init
 #endif
 
 #ifdef MODULES_SI7021
-  rcall SI7021_Init
+  bigcall SI7021_Init
 #endif
 
 #ifdef MODULES_SGP30
-  rcall SGP30_Init
+  bigcall SGP30_Init
 #endif
 
 #ifdef MODULES_SGP40
-  rcall SGP40_Init
+  bigcall SGP40_Init
 #endif
 
 #ifdef MODULES_DS18B20
-  rcall Ds18b20_Init
+  bigcall Ds18b20_Init
 #endif
 
 #ifdef MODULES_STATS
-  rcall Stats_Init
+  bigcall Stats_Init
 #endif
 
 #ifdef MODULES_CNY70
-  rcall CNY70_Init
+  bigcall CNY70_Init
 #endif
 
 #ifdef MODULES_REED
-  rcall REED_Init
+  bigcall REED_Init
 #endif
 
 #ifdef MODULES_SK6812
-  rcall SK6812_Init
+  bigcall SK6812_Init
 #endif
 
 #ifdef MODULES_MOTION_LIGHT
-  rcall MotionLight_Init
+  bigcall MotionLight_Init
 #endif
 
 #ifdef MODULES_TCRT1000
-  rcall TCRT1K_Init
+  bigcall TCRT1K_Init
 #endif
 
 #ifdef MODULES_CCS811
-  rcall CCS811_Init
+  bigcall CCS811_Init
 #endif
 
 #ifdef MODULES_ILI9341
-  rcall ILI9341_Init
+  bigcall ILI9341_Init
 #endif
 
 
@@ -167,14 +167,14 @@ initModules:
 ; USED: depending on called routines
 
 runModules:
-  rcall BaseTimer_Run
+  bigcall BaseTimer_Run
   
 #ifdef MODULES_COM
 ; COM module (call until carry flag cleared but at most 10 times to not starve other modules)
   ldi r16, 10
 runModules_Com:
     push r16
-      rcall Com2_Run
+      bigcall Com2_Run
     pop r16
     brcc runModules_ComEnd
     dec r16
@@ -183,23 +183,23 @@ runModules_ComEnd:
 #endif
 
 #ifdef MODULES_TTYONUART1
-  rcall TtyOnUart1_Run
+  bigcall TtyOnUart1_Run
 #endif
 
 #ifdef MODULES_COMONUART0
-  rcall ComOnUart0_Run
+  bigcall ComOnUart0_Run
 #endif
 
 #ifdef MODULES_STATS
-  rcall Stats_Run
+  bigcall Stats_Run
 #endif
 
 #ifdef MODULES_REED
-  rcall REED_Run
+  bigcall REED_Run
 #endif
 
 #ifdef MODULES_CNY70
-  rcall CNY70_Run
+  bigcall CNY70_Run
 #endif
 
 #ifdef MODULES_MOTION_LIGHT
@@ -220,12 +220,12 @@ runModules_ComEnd:
 mainModulesOnPacketReceived:
 
 #ifdef MODULES_SK6812
-    rcall SK6812_OnPacketReceived
+    bigcall SK6812_OnPacketReceived
 #endif
 
 #ifdef MODULES_LED_SIMPLE
   #ifdef MODULES_NETWORK
-    rcall LedSimple_OnPacketReceived
+    bigcall LedSimple_OnPacketReceived
   #endif  
 #endif
 

avr/devices/c01/boot/boot.asm

@@ -13,8 +13,9 @@
 .list
 
 .include "../defs.asm"
-.include "defs_all.asm"
+.include "devices/all/defs.asm"
 
+.include "common/calls.asm"
 .include "common/utils_wait.asm"
 .include "common/utils_io.asm"
 

avr/devices/c01/defs.asm

@@ -67,6 +67,11 @@
 .equ COM_BIT_LENGTH      = 52000 ; 104000ns=9600, 52000ns=19200, 26000ns=38400
 .equ COM_HALFBIT_LENGTH  = 26000 ; see https://de.wikipedia.org/wiki/Universal_Asynchronous_Receiver_Transmitter
 
+.equ COM_DATA_DDR       = DDRD
+.equ COM_DATA_INPUT     = PIND
+.equ COM_DATA_OUTPUT    = PORTD
+.equ COM_DATA_PIN       = PORTD0
+
 .equ COM_ATTN_DDR       = DDRD
 .equ COM_ATTN_INPUT     = PIND
 .equ COM_ATTN_OUTPUT    = PORTD

avr/devices/c01/main/main.asm

@@ -16,6 +16,7 @@
 .include "include/m8515def.inc" ; Define device ATmega8515
 .list
 
+.include "version.asm"
 .include "../defs.asm"
 .include "./data.asm"
 
@@ -48,11 +49,6 @@
 ; ---------------------------------------------------------------------------
 ; firmware settings including list of modules used
 
-.equ FIRMWARE_VERSION_MAJOR       = 0
-.equ FIRMWARE_VERSION_MINOR       = 0
-.equ FIRMWARE_VERSION_PATCHLEVEL  = 1
-
-
 ; #define MODULES_TIMER
 #define MODULES_CLOCK
 #define MODULES_XRAM
@@ -60,7 +56,8 @@
 #define MODULES_LED_SIMPLE
 #define MODULES_NETWORK
 ;#define MODULES_COMONUART0
-#define MODULES_UART_HW
+;#define MODULES_UART_HW
+#define MODULES_UART_BITBANG
 #define MODULES_SPI_HW
 #define MODULES_ILI9341
 ;#define MODULES_FONT_8X8
@@ -121,7 +118,8 @@
 ; ---------------------------------------------------------------------------
 ; Reset and interrupt vectors
   rjmp BOOTLOADER_ADDR          ;  1: Reset vector   RESET
-  rjmp NetUart_AttnChangeIsr    ;  2: INT0           External Interrupt Request 0
+;  rjmp NetUart_AttnChangeIsr    ;  2: INT0           External Interrupt Request 0
+  rjmp UART_BitBang_PcintIsr    ;  2: INT0           External Interrupt Request 0
   reti                          ;  3: INT1           External Interrupt Request 1
   reti                          ;  4: TIMER1_CAPT    Timer/Counter1 Capture Event
   reti                          ;  5: TIMER1_COMPA   Timer/Counter1 Compare Match A
@@ -220,7 +218,8 @@ onEveryLoop:
 ; ---------------------------------------------------------------------------
 ; defines for network interface
 
-.equ netInterfaceData = netUartIface
+;.equ netInterfaceData = netUartIface
+.equ netInterfaceData = uart_bitbang_iface
 
 
 

avr/devices/c02/.gitignore

@@ -0,0 +1,2 @@
+*.eep.hex
+*.obj

avr/devices/c02/0BUILD

@@ -0,0 +1,22 @@
+<?xml?>
+
+<gwbuild>
+
+  <subdirs>
+    boot
+    main
+  </subdirs>
+
+  <data dist="true" install="$(datadir)/aqhome/devices/nodes">
+    aqua_c02.xml
+  </data>
+
+  <extradist>
+    defs.asm
+    README
+  </extradist>
+  
+
+</gwbuild>
+
+

avr/devices/c02/README

@@ -0,0 +1,10 @@
+
+C01
+===
+
+- Role: Controller with Display
+- MCU: AtMega 644P
+- Connection: RJ45
+- Periphery:
+  - Display with SPI
+

avr/devices/c02/aqua_c02.xml

@@ -0,0 +1,24 @@
+
+<device name="aqua_c02" driver="nodes">
+  <manufacturer>AQUA</manufacturer>
+  <devicetype>C</devicetype>
+  <deviceversion>2</deviceversion>
+  
+  <values>
+    <value name="LEDTIMING"    id="0x88" type="actor"  dataType="uint16" />
+
+    <value name="stats_packets_in"       id="0xe0" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_packets_out"      id="0xe1" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_content_errors"   id="0xe2" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_io_errors"        id="0xe3" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_nobuf_errors"     id="0xe4" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_collision_errors" id="0xe5" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_busy_errors"      id="0xe6" type="sensor" dataType="uint16" denom="1" />
+
+    <value name="stats_heap_used"        id="0xe7" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_heap_free"        id="0xe8" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_noram_errors"     id="0xe9" type="sensor" dataType="uint16" denom="1" />
+
+  </values>
+
+</device>

avr/devices/c02/boot/0BUILD

@@ -0,0 +1,32 @@
+<?xml?>
+
+<gwbuild>
+
+  <target type="AvrHexFile" name="c02_boot" >
+
+    <includes type="avrasm" >
+      -I $(builddir)
+      -I $(srcdir)
+      -I $(topsrcdir)/avr
+      -I $(topbuilddir)/avr
+    </includes>
+
+
+    <sources type="avrasm" >
+      boot.asm
+    </sources>
+
+
+  </target>
+
+
+  <subdirs>
+  </subdirs>
+
+  <extradist>
+  </extradist>
+  
+
+</gwbuild>
+
+

avr/devices/c02/boot/boot.asm

@@ -0,0 +1,160 @@
+; ***************************************************************************
+; Source file for base system node on AtMega 644P
+;
+; This is for the maintenance system (i.e. the flash loader).
+;
+; All definitions and changes should go into this file.
+; ***************************************************************************
+
+.equ clock=8000000 ; Define the clock frequency
+
+.nolist
+.include "include/m644Pdef.inc" ; Define device ATmega8515
+.list
+
+.include "../defs.asm"
+.include "devices/all/defs.asm"
+
+.include "common/calls.asm"
+.include "common/utils_wait.asm"
+.include "common/utils_io.asm"
+
+
+
+; ***************************************************************************
+; defines
+
+; ---------------------------------------------------------------------------
+; generic
+
+
+.equ NET_BUFFERS_NUM            = 6
+.equ NET_BUFFERS_SIZE           = 32
+
+
+
+; ---------------------------------------------------------------------------
+; firmware settings
+
+.equ FIRMWARE_VERSION_MAJOR       = 0
+.equ FIRMWARE_VERSION_MINOR       = 0
+.equ FIRMWARE_VERSION_PATCHLEVEL  = 1
+
+
+
+; ---------------------------------------------------------------------------
+; LED
+
+.equ LED_DDR             = DDRD
+.equ LED_PORT            = PORTD
+.equ LED_PIN             = PIND
+.equ LED_PINNUM          = PORTD4
+
+
+
+
+
+; ***************************************************************************
+; code segment
+
+.cseg
+.org 0x0000
+
+
+
+; ---------------------------------------------------------------------------
+; Reset and interrupt vectors
+  jmp main                      ;  1: Reset vector   RESET
+  jmp irqNotSet                 ;  2: INT0           External Interrupt Request 0
+  jmp irqNotSet                 ;  3: INT1           External Interrupt Request 1
+  jmp irqNotSet                 ;  4: INT2           External Interrupt Request 2
+  jmp irqNotSet                 ;  5: PCINT0         Pin Change Interrupt Request 0
+  jmp irqNotSet                 ;  6: PCINT1         Pin Change Interrupt Request 1
+  jmp irqNotSet                 ;  7: PCINT2         Pin Change Interrupt Request 2
+  jmp irqNotSet                 ;  8: PCINT3         Pin Change Interrupt Request 3
+  jmp irqNotSet                 ;  9: WDT            Watchdog Time-out Interrupt
+  jmp irqNotSet                 ; 10: TIMER2_COMPA   Timer/Counter2 Compare Match A
+  jmp irqNotSet                 ; 11: TIMER2_COMPB   Timer/Counter2 Compare Match B
+  jmp irqNotSet                 ; 12: TIMER2_OVF     Timer/Counter2 Overflow
+  jmp irqNotSet                 ; 13: TIMER1_CAPT    Timer/Counter1 Capture Event
+  jmp irqNotSet                 ; 14: TIMER1_COMPA   Timer/Counter1 Compare Match A
+  jmp irqNotSet                 ; 15: TIMER1_COMPB   Timer/Counter1 Compare Match B
+  jmp irqNotSet                 ; 16: TIMER1_OVF     Timer/Counter1 Overflow
+  jmp irqNotSet                 ; 17: TIMER0_COMPA   Timer/Counter0 Compare Match A
+  jmp irqNotSet                 ; 18: TIMER0_COMPB   Timer/Counter0 Compare Match B
+  jmp irqNotSet                 ; 19: TIMER0_OVF     Timer/Counter0 Overflow
+  jmp irqNotSet                 ; 20: SPI_STC        Serial Transfer Complete
+  jmp irqNotSet                 ; 21: USART0_RXC     USART0 Rx Complete
+  jmp irqNotSet                 ; 22: USART0_UDRE    USART0 Data Register Empty
+  jmp irqNotSet                 ; 23: USART0_TXC     USART0 Tx Complete
+  jmp irqNotSet                 ; 24: ANA_COMP       Analog Comparator
+  jmp irqNotSet                 ; 25: ADC            ADC Conversion Complete
+  jmp irqNotSet                 ; 26: EE_RDY         EEPROM Ready
+  jmp irqNotSet                 ; 27: TWI            2-Wire Interface
+  jmp irqNotSet                 ; 28: SPM_RDY        Store Program Memory Ready
+
+
+
+; ---------------------------------------------------------------------------
+; Device Info Block
+
+devInfoBlock:        ; 12 bytes
+devInfoManufacturer: .db 'A', 'Q', 'U', 'A'
+devInfoId:           .db DEVICEINFO_ID, 0
+devInfoVersion:      .db DEVICEINFO_VERSION, DEVICEINFO_REVISION             ; version, revision
+firmwareVersion:     .db FIRMWARE_VARIANT_BOOT, FIRMWARE_VERSION_MAJOR
+                     .db FIRMWARE_VERSION_MINOR, FIRMWARE_VERSION_PATCHLEVEL
+
+firmwareStart:
+  jmp main        ; will be overwritten when flashing
+
+irqNotSet:
+  reti
+
+
+
+; ***************************************************************************
+; main code
+
+
+.org BOOTLOADER_ADDR
+
+
+main:
+;  ldi r16, 0xb0   ; orig: a0
+;  out OSCCAL, r16
+  jmp bootLoader ; this routine is in modules/bootloader/main.asm
+
+
+
+; ***************************************************************************
+; includes
+
+.include "common/wait_10us.asm"
+.include "common/utils_copy_from_flash.asm"
+.include "common/utils_copy_sdram.asm"
+
+.include "modules/flash/defs.asm"
+.include "modules/flash/eeprom.asm"
+.include "modules/flash/io.asm"
+.include "modules/flash/io_attn.asm"
+.include "modules/flash/io_bitbang.asm"
+.include "modules/flash/flash1pmega.asm"
+.include "modules/flash/flashxp.asm"
+.include "modules/flash/flashprocess.asm"
+.include "modules/flash/wait.asm"
+.include "modules/bootloader/main.asm"
+.include "modules/network/msg/defs.asm"
+.include "modules/network/msg/crc.asm"
+
+;.include "common/debug.asm"
+
+
+
+systemSetSpeed:
+  ; speed not changeable at runtime on this device
+  ret
+
+
+
+

avr/devices/c02/defs.asm

@@ -0,0 +1,175 @@
+; ***************************************************************************
+; copyright   : (C) 2025 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+
+; ***************************************************************************
+;
+;                                 AtMega644
+;                                 --------
+;                    DSPLED  PB0  1     40 PA0 DEV0
+;                        DC  PB1  2     39 PA1 DEV1
+;                      INT2  PB2  3     38 PA2 DEV2
+;                    DSPRES  PB3  4     37 PA3 PA3
+;                        SS  PB4  5     36 PA4 PA4
+;                      MOSI  PB5  6     35 PA5
+;                      MISO  PB6  7     34 PA6
+;                       SCK  PB7  8     33 PA7
+;                         /RESET  9     32 AREF
+;                            VCC 10     31 GND
+;                            GND 11     30 AVCC
+;                          XTAL2 12     29 PC7
+;                          XTAL1 13     28 PC6
+;                       RXD  PD0 14     27 PC5
+;                       TXD  PD1 15     26 PC4
+;                      ATTN  PD2 16     25 PC3
+;                      INT1  PD3 17     24 PC2
+;                       LED  PD4 18     23 PC1
+;                            PD5 19     22 PC0
+;                            PD6 20     21 PD7
+;                                 --------
+;
+; ***************************************************************************
+
+
+
+.equ BOOTLOADER_ADDR = 0x7c00
+
+.equ FIRMWARE_VARIANT_BOOT        = 0
+.equ FIRMWARE_VARIANT_TEMP_WINDOW = 1
+
+.equ DEVICEINFO_ID       = 'C'
+.equ DEVICEINFO_VERSION  = 2
+.equ DEVICEINFO_REVISION = 0
+
+
+
+; ---------------------------------------------------------------------------
+; LED module
+
+.equ LED_SIMPLE_ONTIME  = 1     ; shorter
+.equ LED_SIMPLE_OFFTIME = 50    ; longer
+.equ LED_SIMPLE_DDR     = DDRD
+.equ LED_SIMPLE_PORT    = PORTD
+.equ LED_SIMPLE_PORTIN  = PIND
+.equ LED_SIMPLE_PINNUM  = PORTD4
+
+
+
+; ---------------------------------------------------------------------------
+; COM module
+
+.equ COM_BIT_LENGTH      = 52000 ; 104000ns=9600, 52000ns=19200, 26000ns=38400
+.equ COM_HALFBIT_LENGTH  = 26000 ; see https://de.wikipedia.org/wiki/Universal_Asynchronous_Receiver_Transmitter
+
+.equ COM_DATA_DDR       = DDRD
+.equ COM_DATA_INPUT     = PIND
+.equ COM_DATA_OUTPUT    = PORTD
+.equ COM_DATA_PIN       = PORTD0
+
+.equ COM_ATTN_DDR       = DDRD
+.equ COM_ATTN_INPUT     = PIND
+.equ COM_ATTN_OUTPUT    = PORTD
+.equ COM_ATTN_PIN       = PORTD2
+
+.equ COM_IRQ_ADDR_ATTN   = EIMSK
+.equ COM_IRQ_BIT_ATTN    = INT0
+.equ COM_IRQ_GIFR_ATTN   = INTF0
+;.equ COM_IRQ_GIMSK_ATTN  = PCIE0
+
+
+
+; ---------------------------------------------------------------------------
+; SPI hardware module
+
+.equ SPIHW_SS_DDR      = DDRB
+.equ SPIHW_SS_INPUT    = PINB
+.equ SPIHW_SS_OUTPUT   = PORTB
+.equ SPIHW_SS_PIN      = PORTB4
+
+.equ SPIHW_MOSI_DDR    = DDRB
+.equ SPIHW_MOSI_INPUT  = PINB
+.equ SPIHW_MOSI_OUTPUT = PORTB
+.equ SPIHW_MOSI_PIN    = PORTB5
+
+.equ SPIHW_MISO_DDR    = DDRB
+.equ SPIHW_MISO_INPUT  = PINB
+.equ SPIHW_MISO_OUTPUT = PORTB
+.equ SPIHW_MISO_PIN    = PORTB6
+
+.equ SPIHW_SCK_DDR    = DDRB
+.equ SPIHW_SCK_INPUT  = PINB
+.equ SPIHW_SCK_OUTPUT = PORTB
+.equ SPIHW_SCK_PIN    = PORTB7
+
+.equ SPIHW_SS0_DDR    = DDRA
+.equ SPIHW_SS0_OUTPUT = PORTA
+.equ SPIHW_SS0_INPUT  = PORTA
+.equ SPIHW_SS0_PIN    = PORTA0
+
+.equ SPIHW_SS1_DDR    = DDRA
+.equ SPIHW_SS1_OUTPUT = PORTA
+.equ SPIHW_SS1_INPUT  = PORTA
+.equ SPIHW_SS1_PIN    = PORTA1
+
+.equ SPIHW_SS2_DDR    = DDRA
+.equ SPIHW_SS2_OUTPUT = PORTA
+.equ SPIHW_SS2_INPUT  = PORTA
+.equ SPIHW_SS2_PIN    = PORTA2
+
+
+
+; ---------------------------------------------------------------------------
+; ILI9341 module
+
+.equ ILI9341_DEVICENUM    = 0
+.equ ILI9341_DSP_WIDTH    = 320
+.equ ILI9341_DSP_HEIGHT   = 240
+
+.equ ILI9341_RESET_DDR    = DDRB
+.equ ILI9341_RESET_OUTPUT = PORTB
+.equ ILI9341_RESET_INPUT  = PORTB
+.equ ILI9341_RESET_PIN    = PORTB3
+
+.equ ILI9341_DC_DDR       = DDRB
+.equ ILI9341_DC_OUTPUT    = PORTB
+.equ ILI9341_DC_INPUT     = PORTB
+.equ ILI9341_DC_PIN       = PORTB1
+
+.equ ILI9341_LED_DDR      = DDRB
+.equ ILI9341_LED_OUTPUT   = PORTB
+.equ ILI9341_LED_INPUT    = PORTB
+.equ ILI9341_LED_PIN      = PORTB0
+
+
+
+; ---------------------------------------------------------------------------
+; ComOnUart module
+
+;.equ USART0_DATAREG = UDR
+;.equ UCSR0A = UCSRA
+;.equ UCSR0B = UCSRB
+;.equ UCSR0C = UCSRC
+;.equ UBRR0L = UBRRL
+;.equ UBRR0H = UBRRH
+
+;.equ UCSZ00 = UCSZ0
+;.equ UCSZ01 = UCSZ1
+;.equ UDRE0  = UDRE
+;.equ RXC0   = RXC
+;.equ TXC0   = TXC
+;.equ FE0    = FE
+;.equ DOR0   = DOR
+;.equ UPE0   = UPE
+;.equ RXEN0  = RXEN
+;.equ TXEN0  = TXEN
+;.equ USBS0  = USBS
+;.equ RXCIE0 = RXCIE
+;.equ UDRIE0 = UDRIE
+
+

avr/devices/c02/main/0BUILD

@@ -0,0 +1,34 @@
+<?xml?>
+
+<gwbuild>
+
+  <target type="AvrHexFile" name="c02_firmware" >
+
+    <includes type="avrasm" >
+      -I $(builddir)
+      -I $(srcdir)
+      -I $(topsrcdir)/avr
+      -I $(topbuilddir)/avr
+    </includes>
+
+
+    <sources type="avrasm" >
+      main.asm
+    </sources>
+
+
+  </target>
+
+
+
+  <subdirs>
+  </subdirs>
+
+  <extradist>
+    data.asm
+  </extradist>
+  
+
+</gwbuild>
+
+

avr/devices/c02/main/data.asm

@@ -0,0 +1,14 @@
+; ***************************************************************************
+; copyright   : (C) 2025 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+
+
+.dseg
+
+

avr/devices/c02/main/main.asm

@@ -0,0 +1,240 @@
+; ***************************************************************************
+; copyright   : (C) 2025 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+;.equ clock=1000000 ; Define the clock frequency
+.equ clock=8000000 ; Define the clock frequency
+
+
+
+.nolist
+.include "include/m644Pdef.inc" ; Define device ATmega644P
+.list
+
+.include "version.asm"
+.include "../defs.asm"
+.include "./data.asm"
+
+.include "devices/all/defs.asm"
+.include "common/calls.asm"
+.include "common/utils_wait.asm"
+.include "common/utils_io.asm"
+
+
+
+; ***************************************************************************
+; defines
+
+; ---------------------------------------------------------------------------
+; generic
+
+.equ NET_BUFFERS_NUM              = 8
+.equ NET_BUFFERS_SIZE             = 32
+
+
+
+; ---------------------------------------------------------------------------
+; heap
+
+.equ HEAP_START = SRAM_START+0x200
+.equ HEAP_SIZE  = SRAM_SIZE-HEAP_START
+
+
+
+
+; ---------------------------------------------------------------------------
+; firmware settings including list of modules used
+
+; #define MODULES_TIMER
+#define MODULES_CLOCK
+;#define MODULES_XRAM
+#define MODULES_HEAP
+#define MODULES_LED_SIMPLE
+#define MODULES_NETWORK
+;#define MODULES_COMONUART0
+;#define MODULES_UART_HW
+#define MODULES_UART_BITBANG
+#define MODULES_SPI_HW
+#define MODULES_ILI9341
+;#define MODULES_FONT_8X8
+#define MODULES_FONT_6X8
+;#define MODULES_UART_BITBANG
+;#define MODULES_TWI_MASTER
+;#define MODULES_LCD
+;#define LCD_MINIMAL_FONT
+;#define MODULES_SI7021
+;#define MODULES_SGP30
+;#define MODULES_SGP40
+;#define MODULES_STATS
+;#define MODULES_OWI_MASTER
+;#define MODULES_DS18B20
+;#define MODULES_MOTION
+;#define MODULES_CCS811
+
+#define APPS_NETWORK
+;#define APPS_MOTION
+;#define APPS_REPORTSENSORS
+#define APPS_STATS
+
+
+
+; ---------------------------------------------------------------------------
+; defines for values
+
+.equ VALUE_ID_SI7021_TEMP      = 0x01
+.equ VALUE_ID_SI7021_HUM       = 0x02
+
+.equ VALUE_ID_ADC              = 0x03
+;.equ VALUE_ID_DS18B20_TEMP     = 0x06
+.equ VALUE_ID_MOTION           = 0x07
+
+.equ VALUE_ID_SGP40_TVOC       = 0x08
+
+.equ VALUE_ID_SGP30_TVOC       = 0x09
+.equ VALUE_ID_SGP30_CO2        = 0x0a
+
+;.equ VALUE_ID_REED_CONF    = 0x81
+
+.equ VALUE_ID_DEBUG            = 0x7f
+
+.equ VALUE_ID_LEDSIMPLE_TIMING = 0x88
+
+
+
+
+
+; ***************************************************************************
+; code segment
+
+.cseg
+.org 000000
+
+
+
+; ---------------------------------------------------------------------------
+; Reset and interrupt vectors
+  jmp BOOTLOADER_ADDR           ;  1: Reset vector   RESET
+  jmp UART_BitBang_PcintIsr     ;  2: INT0           External Interrupt Request 0
+  jmp irqNotSet                 ;  3: INT1           External Interrupt Request 1
+  jmp irqNotSet                 ;  4: INT2           External Interrupt Request 2
+  jmp irqNotSet                 ;  5: PCINT0         Pin Change Interrupt Request 0
+  jmp irqNotSet                 ;  6: PCINT1         Pin Change Interrupt Request 1
+  jmp irqNotSet                 ;  7: PCINT2         Pin Change Interrupt Request 2
+  jmp irqNotSet                 ;  8: PCINT3         Pin Change Interrupt Request 3
+  jmp irqNotSet                 ;  9: WDT            Watchdog Time-out Interrupt
+  jmp irqNotSet                 ; 10: TIMER2_COMPA   Timer/Counter2 Compare Match A
+  jmp irqNotSet                 ; 11: TIMER2_COMPB   Timer/Counter2 Compare Match B
+  jmp irqNotSet                 ; 12: TIMER2_OVF     Timer/Counter2 Overflow
+  jmp irqNotSet                 ; 13: TIMER1_CAPT    Timer/Counter1 Capture Event
+  jmp irqNotSet                 ; 14: TIMER1_COMPA   Timer/Counter1 Compare Match A
+  jmp irqNotSet                 ; 15: TIMER1_COMPB   Timer/Counter1 Compare Match B
+  jmp irqNotSet                 ; 16: TIMER1_OVF     Timer/Counter1 Overflow
+  jmp baseTimerIrqOC0A          ; 17: TIMER0_COMPA   Timer/Counter0 Compare Match A
+  jmp irqNotSet                 ; 18: TIMER0_COMPB   Timer/Counter0 Compare Match B
+  jmp irqNotSet                 ; 19: TIMER0_OVF     Timer/Counter0 Overflow
+  jmp irqNotSet                 ; 20: SPI_STC        Serial Transfer Complete
+  jmp irqNotSet                 ; 21: USART0_RXC     USART0 Rx Complete
+  jmp irqNotSet                 ; 22: USART0_UDRE    USART0 Data Register Empty
+  jmp irqNotSet                 ; 23: USART0_TXC     USART0 Tx Complete
+  jmp irqNotSet                 ; 24: ANA_COMP       Analog Comparator
+  jmp irqNotSet                 ; 25: ADC            ADC Conversion Complete
+  jmp irqNotSet                 ; 26: EE_RDY         EEPROM Ready
+  jmp irqNotSet                 ; 27: TWI            2-Wire Interface
+  jmp irqNotSet                 ; 28: SPM_RDY        Store Program Memory Ready
+
+
+
+devInfoBlock:        ; 12 bytes
+devInfoManufacturer: .db 'A', 'Q', 'U', 'A'
+devInfoId:           .db DEVICEINFO_ID, 0
+devInfoVersion:      .db DEVICEINFO_VERSION, DEVICEINFO_REVISION             ; version, revision
+firmwareVersion:     .db FIRMWARE_VARIANT_TEMP_WINDOW, FIRMWARE_VERSION_MAJOR
+                     .db FIRMWARE_VERSION_MINOR, FIRMWARE_VERSION_PATCHLEVEL
+
+
+
+; ---------------------------------------------------------------------------
+; @routine firmwareStart @global
+
+firmwareStart:
+  rjmp main
+; @end
+
+
+irqNotSet:
+  reti
+
+
+
+; ---------------------------------------------------------------------------
+; @routine onSystemStart
+
+onSystemStart:
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine onMessageReceived
+;
+; Called on every message received
+
+onMessageReceived:
+  clc
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine onEvery100ms
+;
+; Called every 100ms. Add your routine calls here. No arguments, no results.
+
+onEvery100ms:
+onEverySecond:
+onEveryMinute:
+onEveryHour:
+onEveryDay:
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine onEveryLoop
+;
+; Called on every loop (i.e. after awakening from sleep).
+;
+onEveryLoop:
+  ret
+; @end
+
+
+
+
+
+; ***************************************************************************
+; includes
+
+.include "devices/all/hw_m644p.asm"
+.include "devices/all/includes.asm"
+
+.include "common/debug.asm"
+
+
+
+; ---------------------------------------------------------------------------
+; defines for network interface
+
+;.equ netInterfaceData = netUartIface
+.equ netInterfaceData = uart_bitbang_iface
+
+
+

avr/devices/n16/boot/boot.asm

@@ -12,32 +12,20 @@
 .include "include/tn84def.inc" ; Define device ATtiny84
 .list
 
+.include "version.asm"
 .include "../defs.asm"
-.include "defs_all.asm"
+.include "devices/all/defs.asm"
+
+.include "common/calls.asm"
+.include "common/utils_wait.asm"
+;.include "modules/com2/defs.asm"
+;.include "modules/comproto/defs.asm"
 
 
 
 ; ***************************************************************************
 ; defines
 
-; ---------------------------------------------------------------------------
-; generic
-
-.include "common/utils_wait.asm"
-.include "modules/com2/defs.asm"
-.include "modules/comproto/defs.asm"
-
-
-
-; ---------------------------------------------------------------------------
-; firmware settings
-
-.equ FIRMWARE_VERSION_MAJOR       = 0
-.equ FIRMWARE_VERSION_MINOR       = 0
-.equ FIRMWARE_VERSION_PATCHLEVEL  = 1
-
-
-
 ; ---------------------------------------------------------------------------
 ; LED
 

avr/devices/n16/main/main.asm

@@ -30,9 +30,12 @@
 .include "include/tn84def.inc" ; Define device ATtiny84
 .list
 
+.include "version.asm"
 .include "../defs.asm"
 
 .include "devices/all/defs.asm"
+
+.include "common/calls.asm"
 .include "common/utils_wait.asm"
 
 
@@ -51,11 +54,6 @@
 ; ---------------------------------------------------------------------------
 ; firmware settings including list of modules used
 
-.equ FIRMWARE_VERSION_MAJOR       = 0
-.equ FIRMWARE_VERSION_MINOR       = 0
-.equ FIRMWARE_VERSION_PATCHLEVEL  = 1
-
-
 #define MODULES_CLOCK
 #define MODULES_LED_SIMPLE
 #define MODULES_NETWORK

avr/devices/n20/boot.asm

@@ -12,32 +12,18 @@
 .include "include/tn84def.inc" ; Define device ATtiny84
 .list
 
+.include "version.asm"
 .include "./defs.asm"
-.include "defs_all.asm"
+.include "devices/all/defs.asm"
+
+.include "common/calls.asm"
+.include "common/utils_wait.asm"
 
 
 
 ; ***************************************************************************
 ; defines
 
-; ---------------------------------------------------------------------------
-; generic
-
-.include "common/utils_wait.asm"
-.include "modules/com2/defs.asm"
-.include "modules/comproto/defs.asm"
-
-
-
-; ---------------------------------------------------------------------------
-; firmware settings
-
-.equ FIRMWARE_VERSION_MAJOR       = 0
-.equ FIRMWARE_VERSION_MINOR       = 0
-.equ FIRMWARE_VERSION_PATCHLEVEL  = 1
-
-
-
 ; ---------------------------------------------------------------------------
 ; LED
 
@@ -113,6 +99,7 @@ main:
 .include "modules/flash/io_attn.asm"
 .include "modules/flash/io_bitbang.asm"
 .include "modules/flash/flash1p.asm"
+.include "modules/flash/flashxp.asm"
 .include "modules/flash/flashprocess.asm"
 .include "modules/flash/wait.asm"
 .include "modules/bootloader/main.asm"
@@ -121,7 +108,6 @@ main:
 
 
 
-
 systemSetSpeed:
 .if clock == 8000000
   ldi r16, (1<<CLKPCE)

avr/devices/n20/main.asm

@@ -30,8 +30,12 @@
 .include "include/tn84def.inc" ; Define device ATtiny84
 .list
 
+.include "version.asm"
 .include "./defs.asm"
-.include "defs_all.asm"
+.include "devices/all/defs.asm"
+
+.include "common/calls.asm"
+.include "common/utils_wait.asm"
 
 
 
@@ -41,31 +45,37 @@
 ; ---------------------------------------------------------------------------
 ; generic
 
+.equ NET_BUFFERS_NUM            = 4
+.equ NET_BUFFERS_SIZE           = 32
 
-.include "common/utils_wait.asm"
 
 
 ; ---------------------------------------------------------------------------
 ; firmware settings including list of modules used
 
-.equ FIRMWARE_VERSION_MAJOR       = 0
-.equ FIRMWARE_VERSION_MINOR       = 0
-.equ FIRMWARE_VERSION_PATCHLEVEL  = 1
-
-
-#define MODULES_TIMER
-#define MODULES_COM
-#define MODULES_COM_WITH_ADDR_PROTO
+; #define MODULES_TIMER
+#define MODULES_CLOCK
 #define MODULES_LED_SIMPLE
+#define MODULES_NETWORK
+#define MODULES_UART_BITBANG
 #define MODULES_TWI_MASTER
 ;#define MODULES_LCD
-#define LCD_MINIMAL_FONT
+;#define LCD_MINIMAL_FONT
 #define MODULES_SI7021
-#define MODULES_STATS
+;#define MODULES_STATS
 ;#define MODULES_OWI_MASTER
 ;#define MODULES_DS18B20
-#define MODULES_MOTION
-#define MODULES_CCS811
+;#define MODULES_MOTION
+;#define MODULES_TCRT1000
+;#define MODULES_CCS811
+
+#define APPS_NETWORK
+;#define APPS_MOTION
+;#define APPS_DOOR
+#define APPS_REPORTSENSORS
+#define APPS_STATS
+
+
 
 ; ---------------------------------------------------------------------------
 ; defines for values
@@ -86,6 +96,8 @@
 
 .equ VALUE_ID_DEBUG        = 0x7f
 
+.equ VALUE_ID_LEDSIMPLE_TIMING = 0x88
+
 
 
 ; ***************************************************************************
@@ -102,7 +114,7 @@
 ;	rjmp main ; Reset vector
         rjmp BOOTLOADER_ADDR ; Reset vector  ; use this for flashed system
 	reti ; EXT_INT0
-	rjmp uartBitbangIsrPcint0 ; PCI0
+	rjmp UART_BitBang_PcintIsr ; PCI0
 	reti ; PCI1
 	reti ; WATCHDOG
 	reti ; ICP1
@@ -126,351 +138,85 @@ devInfoVersion:      .db DEVICEINFO_VERSION, DEVICEINFO_REVISION             ; v
 firmwareVersion:     .db FIRMWARE_VARIANT_TEMP_WINDOW, FIRMWARE_VERSION_MAJOR
                      .db FIRMWARE_VERSION_MINOR, FIRMWARE_VERSION_PATCHLEVEL
 
-firmwareStart:   rjmp main
+; ---------------------------------------------------------------------------
+; @routine firmwareStart @global
+
+firmwareStart:
+  rjmp main
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine onSystemStart
+
+onSystemStart:
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine onMessageReceived
+;
+; Called on every message received
+
+onMessageReceived:
+  clc
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine onEvery100ms
+;
+; Called every 100ms. Add your routine calls here. No arguments, no results.
+
+onEvery100ms:
+onEverySecond:
+onEveryMinute:
+onEveryHour:
+onEveryDay:
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine onEveryLoop
+;
+; Called on every loop (i.e. after awakening from sleep).
+;
+onEveryLoop:
+  ret
+; @end
+
+
+
 
 
 ; ***************************************************************************
 ; includes
 
-.include "common/utils.asm"
-.include "common/utils_wait_fixed.asm"
-.include "common/utils_copy_from_flash.asm"
-.include "common/utils_copy_sdram.asm"
-.include "common/crc8.asm"
+.include "devices/all/hw_tn84.asm"
+.include "devices/all/includes.asm"
 
-.include "modules/basetimer/main.asm"
+;.include "common/debug.asm"
 
-#ifdef MODULES_TIMER
-  .include "modules/timer/main.asm"
-#endif
-#ifdef MODULES_LED
-.include "modules/led/main.asm"
-#endif
-#ifdef MODULES_LED_SIMPLE
-.include "modules/led_simple/main.asm"
-#endif
-#ifdef MODULES_COM
-  .include "modules/com2/defs.asm"
-  .include "modules/com2/main.asm"
-  .include "modules/com2/buffer.asm"
-  .include "modules/uart_bitbang/defs.asm"
-  .include "modules/uart_bitbang/main.asm"
-  .include "modules/uart_bitbang/bytelevel.asm"
-  .include "modules/uart_bitbang/packetlevel.asm"
-  #ifdef MODULES_COM_WITH_ADDR_PROTO
-    .include "modules/comproto/defs.asm"
-    .include "modules/comproto/main.asm"
-    .include "modules/comproto/addr.asm"
-    .include "modules/comproto/msg_recvstats.asm"
-    .include "modules/comproto/msg_sendstats.asm"
-    .include "modules/comproto/msg_sysstats.asm"
-    .include "modules/comproto/msg_memstats.asm"
-    .include "modules/comproto/msg_pong.asm"
-    .include "modules/comproto/msg_value.asm"
-    .include "modules/comproto/msg_device.asm"
-    .include "modules/comproto/msg_reboot.asm"
-  #endif
-  #ifdef MODULES_LCD
-    .include "modules/com2/screen.asm"
-    .include "modules/comproto/screen.asm"
-  #endif
-#endif
-#ifdef MODULES_TWI_MASTER
-  .include "modules/twimaster/main.asm"
-#endif
-#ifdef MODULES_OWI_MASTER
-  .include "modules/owimaster/main.asm"
-#endif
-#ifdef MODULES_LCD
-  .include "modules/lcd/main.asm"
-#endif
-#ifdef MODULES_SI7021
-  .include "modules/si7021/main.asm"
-#endif
-#ifdef MODULES_DS18B20
-  .include "modules/ds18b20/main.asm"
-#endif
-#ifdef MODULES_STATS
-  .include "modules/stats/main.asm"
-#endif
-#ifdef MODULES_CNY70
-  .include "modules/cny70/main.asm"
-#endif
-#ifdef MODULES_REED
-  .include "modules/reed/main.asm"
-#endif
-
-#ifdef MODULES_MOTION
-  .include "modules/motion/main.asm"
-#endif
-
-#ifdef MODULES_CCS811
-  .include "modules/ccs811/main.asm"
-#endif
-
-; test
-;#include "modules/uart_irq/defs.asm"
-;#include "modules/uart_irq/iface.asm"
-;#include "modules/uart_irq/iface1.asm"
-
-
-; ***************************************************************************
-; data in SRAM
-
-.dseg
-
-programRamBegin:
-#ifdef MODULES_LCD
-  screenCounter:               .byte 1
-#endif
-
-programRamEnd:
-
-
-
-#ifdef MODULES_LCD
-  sramTimerWriteStats:         .byte 2
-  sramTimerScreen:             .byte 2
-#endif
-#ifdef MODULES_SI7021
-  sramTimerSI7021Measure:      .byte 2
-  sramTimerSI7021SendTemp:     .byte 2
-  sramTimerSI7021SendHumidity: .byte 2
-#endif
-#ifdef MODULES_CNY70
-  sramTimerCny70SendAdc:       .byte 2
-#endif
-#ifdef MODULES_LCD
-  sramPeriodicalLcdMark:       .byte 2
-#endif
-#ifdef MODULES_DS18B20
-  sramDs18b20Timer:            .byte 2
-  sramSendDs18b20TempTimer:    .byte 2
-#endif
-
-#ifdef MODULES_CCS811
-  sramCcs811Timer:             .byte 2
-#endif
-
-
-; ***************************************************************************
-; data in FLASH
-
-.cseg
 
 
 
 ; ---------------------------------------------------------------------------
-; timer list
+; defines for network interface
 
-
-timerList:
-;     SRAM variable/counter        routine                     flags                secs (0=don't start or restart)
-#ifdef MODULES_COM_WITH_ADDR_PROTO
-  .dw cproAddresModeTimer,         CPRO_Address_OnTimer,       0,                   0     ; (no restart)
-#endif
-#ifdef MODULES_STATS
-  .dw statsSendTimer,              Stats_Timer,                TIMER_FLAGS_IF_ADDR, 9000   ; every 15m
-#endif
-#ifdef MODULES_LCD
-;  .dw sramPeriodicalLcdMark,       periodicalLcdMark,          0,                    20   ; every 2s
-;  .dw sramTimerWriteStats,         writeStats,                 0,                   100
-  .dw sramTimerScreen,              printScreen,                TIMER_FLAGS_IF_ADDR,  50    ; every 5s
-#endif
-#ifdef MODULES_SI7021
-  .dw sramTimerSI7021Measure,      SI7021_OnTimer,             0,                   300    ; every 30s
-  .dw sramTimerSI7021SendTemp,     sendSI7021Temp,             TIMER_FLAGS_IF_ADDR, 600    ; every 60s
-  .dw sramTimerSI7021SendHumidity, sendSI7021Humidity,         TIMER_FLAGS_IF_ADDR, 600    ; every 60s
-#endif
-#ifdef MODULES_CNY70
-  .dw sramTimerCny70SendAdc,       CNY70_OnTimer,              TIMER_FLAGS_IF_ADDR, 50     ; every 5s
-#endif
-#ifdef MODULES_DS18B20
-  .dw sramDs18b20Timer,            Ds18b20_OnTimer,            0,                   300    ; every 30s
-  .dw sramSendDs18b20TempTimer,    sendDs18b20Temp,            TIMER_FLAGS_IF_ADDR, 600    ; every 60s
-#endif
-#ifdef MODULES_CCS811
-  .dw sramCcs811Timer,             CCS811_OnTimer,             0,                   10     ; every 1s
-#endif
-  .dw 0 ; end of list
+.equ netInterfaceData = uart_bitbang_iface
 
 
 
 
 
-.include "main_all.asm"
 
 
 
-systemSetSpeed:
-.if clock == 8000000
-  ldi r16, (1<<CLKPCE)
-  ldi r17, 0
-  out CLKPR, r16
-  out CLKPR, r17
-.endif
-  ret
-
-
-systemSetBootSpeed:
-.if clock == 8000000
-  ldi r16, (1<<CLKPCE)
-  ldi r17, (1<<CLKPS1) | (1<<CLKPS0)
-  out CLKPR, r16
-  out CLKPR, r17
-.endif
-  ret
-
-
-
-; ---------------------------------------------------------------------------
-; Called on first time run, i.e. on system start. No arguments, no results.
-
-onSystemStart:
-  ldi xh, HIGH(programRamBegin)
-  ldi xl, LOW(programRamBegin)
-  clr r16
-  ldi r17, (programRamEnd-programRamBegin)
-  rcall Utils_FillSram
-  ret
-
-
-#ifdef MODULES_LCD
-
-printScreen:
-  lds r16, screenCounter
-  tst r16
-  brne printScreen_l1
-  rcall CPRO_Screen
-  rjmp printScreen_counter
-printScreen_l1:
-  cpi r16, 1
-  brne printScreen_l2
-  rcall COM2_Screen_RecvStats
-  rjmp printScreen_counter
-printScreen_l2:
-;  cpi r16, 2
-;  brne printScreen_l3
-;  rcall COM2_Screen_SendStats
-;  rjmp printScreen_counter
-printScreen_l3:
-  ; add more screens here
-
-printScreen_counter:
-  lds r16, screenCounter
-  inc r16
-  cpi r16, 2 ; number of screens
-  brcs printScreen_store
-  clr r16
-printScreen_store:
-  sts screenCounter, r16
-printScreen_end:
-  ret
-
-
-;periodicalLcdMark:
-;  rcall printTimerMark
-;  ret
-
-
-;writeStats:
-;  rcall printSendStats
-;  ret
-#endif
-
-
-#ifdef MODULES_SI7021
-
-sendSI7021Humidity:
-  rcall SI7021_SendHumidity
-  brcs sendSI7021Humidity_okay
-  ; set timer to 1s to retry later
-  ldi xl, LOW(sramTimerSI7021SendHumidity)
-  ldi xh, HIGH(sramTimerSI7021SendHumidity)
-  rjmp Timer_SetValueTo1s
-sendSI7021Humidity_okay:
-  ret
-
-
-sendSI7021Temp:
-  rcall SI7021_SendTemp
-  brcs sendSI7021Temp_okay
-  ; set timer to 1s to retry later
-  ldi xl, LOW(sramTimerSI7021SendTemp)
-  ldi xh, HIGH(sramTimerSI7021SendTemp)
-  rjmp Timer_SetValueTo1s
-sendSI7021Temp_okay:
-  ret
-#endif
-
-
-#ifdef MODULES_DS18B20
-sendDs18b20Temp:
-  rcall Ds18b20_SendTemp
-  brcs sendDs18b20Temp_okay
-  ; set timer to 1s to retry later
-  ldi xl, LOW(sramSendDs18b20TempTimer)
-  ldi xh, HIGH(sramSendDs18b20TempTimer)
-  rjmp Timer_SetValueTo1s
-sendDs18b20Temp_okay:
-  ret
-#endif
-
-
-; ---------------------------------------------------------------------------
-; Called every 100ms. Add your routine calls here. No arguments, no results.
-
-onEvery100ms:
-#ifdef MODULES_LED_SIMPLE
-  rcall LedSimple_Every100ms
-#endif
-
-#ifdef MODULES_REED
-  rcall REED_Every100ms
-#endif
-
-#ifdef MODULES_MOTION
-  rcall Motion_Every100ms
-#endif
-  ret
-
-
-
-; ---------------------------------------------------------------------------
-; @routine onPacketReceived:
-;
-; Called after a packet was received via COM module. Add your routine calls here.
-;
-; The packet will be released in any case after return from this call.
-;
-; @return CFLAG set if message handled, cleared otherwise
-; @param X  pointer to received buffer
-; @clobbers all
-
-onPacketReceived:
-#ifdef MODULES_MOTION_LIGHT
-  rcall MotionLight_OnPacketReceived
-  brcs onPacketReceived_end
-#endif
-
-#ifdef MODULES_SK6812
-  rcall SK6812_OnPacketReceived
-  brcs onPacketReceived_end
-#endif
-
-#ifdef MODULES_REED
-  rcall REED_OnPacketReceived
-  brcs onPacketReceived_end
-#endif
-
-#ifdef MODULES_COM
-  rcall CPRO_OnPacketReceived
-  brcs onPacketReceived_end
-#endif
-
-  clc
-onPacketReceived_end:
-  ret
-; @end
-
 

avr/devices/n21/boot/boot.asm

@@ -12,31 +12,18 @@
 .include "include/tn84def.inc" ; Define device ATtiny84
 .list
 
+.include "version.asm"
 .include "../defs.asm"
 .include "devices/all/defs.asm"
 
+.include "common/calls.asm"
+.include "common/utils_wait.asm"
+
 
 
 ; ***************************************************************************
 ; defines
 
-; ---------------------------------------------------------------------------
-; generic
-
-.include "common/utils_wait.asm"
-.include "modules/com2/defs.asm"
-.include "modules/comproto/defs.asm"
-
-
-
-; ---------------------------------------------------------------------------
-; firmware settings
-
-.equ FIRMWARE_VERSION_MAJOR       = 0
-.equ FIRMWARE_VERSION_MINOR       = 0
-.equ FIRMWARE_VERSION_PATCHLEVEL  = 1
-
-
 
 ; ---------------------------------------------------------------------------
 ; LED

avr/devices/n21/main/main.asm

@@ -30,10 +30,12 @@
 .include "include/tn84def.inc" ; Define device ATtiny84
 .list
 
+.include "version.asm"
 .include "../defs.asm"
 .include "./data.asm"
 
 .include "devices/all/defs.asm"
+.include "common/calls.asm"
 .include "common/utils_wait.asm"
 
 
@@ -53,11 +55,6 @@
 ; ---------------------------------------------------------------------------
 ; firmware settings including list of modules used
 
-.equ FIRMWARE_VERSION_MAJOR       = 0
-.equ FIRMWARE_VERSION_MINOR       = 0
-.equ FIRMWARE_VERSION_PATCHLEVEL  = 1
-
-
 ; #define MODULES_TIMER
 #define MODULES_CLOCK
 #define MODULES_LED_SIMPLE

avr/devices/n22/boot/boot.asm

@@ -14,28 +14,19 @@
 .include "include/tn85def.inc" ; Define device ATtiny85
 .list
 
+.include "version.asm"
 .include "../defs.asm"
-.include "defs_all.asm"
-
-
-
-; ***************************************************************************
-; defines
-
-; ---------------------------------------------------------------------------
-; generic
+.include "devices/all/defs.asm"
 
+.include "common/calls.asm"
 .include "common/utils_wait.asm"
 .include "modules/com2/defs.asm"
 .include "modules/comproto/defs.asm"
 
 
-; ---------------------------------------------------------------------------
-; firmware settings
 
-.equ FIRMWARE_VERSION_MAJOR       = 0
-.equ FIRMWARE_VERSION_MINOR       = 0
-.equ FIRMWARE_VERSION_PATCHLEVEL  = 1
+; ***************************************************************************
+; defines
 
 
 ; ---------------------------------------------------------------------------

avr/devices/n22/main/main.asm

@@ -22,10 +22,13 @@
 .include "include/tn85def.inc" ; Define device ATtiny85
 .list
 
+.include "version.asm"
 .include "../defs.asm"
 ;.include "./data.asm"
 
 .include "devices/all/defs.asm"
+
+.include "common/calls.asm"
 .include "common/utils_wait.asm"
 
 
@@ -44,11 +47,6 @@
 ; ---------------------------------------------------------------------------
 ; firmware settings including list of modules used
 
-.equ FIRMWARE_VERSION_MAJOR       = 0
-.equ FIRMWARE_VERSION_MINOR       = 0
-.equ FIRMWARE_VERSION_PATCHLEVEL  = 1
-
-
 #define MODULES_CLOCK
 #define MODULES_LED_SIMPLE
 #define MODULES_NETWORK

avr/devices/n23/boot/boot.asm

@@ -12,8 +12,12 @@
 .include "include/tn84def.inc" ; Define device ATtiny84
 .list
 
+.include "version.asm"
 .include "../defs.asm"
-.include "defs_all.asm"
+.include "devices/all/defs.asm"
+
+.include "common/calls.asm"
+.include "common/utils_wait.asm"
 
 
 #define COM_ACCEPT_ALL_DEST
@@ -23,22 +27,6 @@
 ; ***************************************************************************
 ; defines
 
-; ---------------------------------------------------------------------------
-; generic
-
-.include "common/utils_wait.asm"
-
-
-
-; ---------------------------------------------------------------------------
-; firmware settings
-
-.equ FIRMWARE_VERSION_MAJOR       = 0
-.equ FIRMWARE_VERSION_MINOR       = 0
-.equ FIRMWARE_VERSION_PATCHLEVEL  = 1
-
-
-
 ; ---------------------------------------------------------------------------
 ; LED
 

avr/devices/n23/main/main.asm

@@ -30,10 +30,12 @@
 .include "include/tn84def.inc" ; Define device ATtiny84
 .list
 
+.include "version.asm"
 .include "../defs.asm"
 .include "./data.asm"
 
 .include "devices/all/defs.asm"
+.include "common/calls.asm"
 .include "common/utils_wait.asm"
 
 
@@ -55,11 +57,6 @@
 ; ---------------------------------------------------------------------------
 ; firmware settings including list of modules used
 
-.equ FIRMWARE_VERSION_MAJOR       = 0
-.equ FIRMWARE_VERSION_MINOR       = 0
-.equ FIRMWARE_VERSION_PATCHLEVEL  = 1
-
-
 ; #define MODULES_TIMER
 #define MODULES_CLOCK
 #define MODULES_LED_SIMPLE

avr/devices/n24/boot/boot.asm

@@ -1,3 +1,13 @@
+; ***************************************************************************
+; copyright   : (C) 2025 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+
 ; ***************************************************************************
 ; Source file for base system node on AtTiny 84
 ;
@@ -12,8 +22,11 @@
 .include "include/tn84def.inc" ; Define device ATtiny84
 .list
 
+.include "version.asm"
 .include "../defs.asm"
-.include "defs_all.asm"
+
+.include "common/calls.asm"
+.include "devices/all/defs.asm"
 
 
 #define COM_ACCEPT_ALL_DEST
@@ -35,10 +48,6 @@
 ; ---------------------------------------------------------------------------
 ; firmware settings
 
-.equ FIRMWARE_VERSION_MAJOR       = 0
-.equ FIRMWARE_VERSION_MINOR       = 0
-.equ FIRMWARE_VERSION_PATCHLEVEL  = 1
-
 
 
 ; ---------------------------------------------------------------------------

avr/devices/n24/defs.asm

@@ -13,7 +13,7 @@
 ;                                 AtTiny84
 ;                                 --------
 ;                            VCC  1     14  GND
-;                  AUX-PB2   PB0  2     13  PA0  AUX-PA0
+;                  AUX-PB0   PB0  2     13  PA0  AUX-PA0
 ;                  PIR       PB1  3     12  PA1  COM-DATA
 ;                  /RESET    PB3  4     11  PA2  AUX-PA2
 ;                            PB2  5     10  PA3  LED

avr/devices/n24/main/main.asm

@@ -33,7 +33,9 @@
 .include "../defs.asm"
 .include "./data.asm"
 
+.include "version.asm"
 .include "devices/all/defs.asm"
+.include "common/calls.asm"
 .include "common/utils_wait.asm"
 
 
@@ -55,11 +57,6 @@
 ; ---------------------------------------------------------------------------
 ; firmware settings including list of modules used
 
-.equ FIRMWARE_VERSION_MAJOR       = 0
-.equ FIRMWARE_VERSION_MINOR       = 0
-.equ FIRMWARE_VERSION_PATCHLEVEL  = 1
-
-
 ; #define MODULES_TIMER
 #define MODULES_CLOCK
 #define MODULES_LED_SIMPLE

avr/devices/n25/.gitignore

@@ -0,0 +1,2 @@
+*.eep.hex
+*.obj

avr/devices/n25/0BUILD

@@ -0,0 +1,21 @@
+<?xml?>
+
+<gwbuild>
+
+  <subdirs>
+    boot
+    main
+  </subdirs>
+
+  <data dist="true" install="$(datadir)/aqhome/devices/nodes">
+    aqua_n25.xml
+  </data>
+
+  <extradist>
+    defs.asm
+    README
+  </extradist>
+  
+
+</gwbuild>
+

avr/devices/n25/README

@@ -0,0 +1,18 @@
+
+N25
+===
+
+- Role: LED strip controller
+- MCU: AtTiny84
+- Connection: RJ45
+- Predecessor: N22, N16
+- UART: uart_bitbang2
+- Periphery:
+  - LED strip connection (SK6812)
+  - OWI interface
+    - DS18B20 temperature sensor
+- Apps:
+  - NETWORK:       Basic network functionality (address setup etc.)
+  - REPORTSENSORS: report sensor data from temperature sensor etc.
+  - STATS        : periodically send stats data
+  - MA_LIGHT     : motion activated light

avr/devices/n25/aqua_n25.xml

@@ -0,0 +1,33 @@
+
+<device name="aqua_n25" driver="nodes">
+  <manufacturer>AQUA</manufacturer>
+  <devicetype>N</devicetype>
+  <deviceversion>25</deviceversion>
+  
+  <values>
+    <value name="DS18B20_TEMP" id="0x06" type="sensor" dataType="rational" modality="temperature" units="C" denom="16" />
+
+    <value name="NUMLEDS"      id="0x82" type="actor"  dataType="int" />
+    <value name="RGBWVALUE"    id="0x83" type="actor"  dataType="dword" />
+
+    <value name="MALRGBWVALUE" id="0x84" type="actor"  dataType="dword" />
+    <value name="MALONTIME"    id="0x85" type="actor"  dataType="uint16" />
+    <value name="MALSOURCE1"   id="0x86" type="actor"  dataType="uint16" />
+    <value name="MALSOURCE2"   id="0x87" type="actor"  dataType="uint16" />
+
+    <value name="stats_packets_in"       id="0xe0" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_packets_out"      id="0xe1" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_content_errors"   id="0xe2" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_io_errors"        id="0xe3" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_nobuf_errors"     id="0xe4" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_collision_errors" id="0xe5" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_busy_errors"      id="0xe6" type="sensor" dataType="uint16" denom="1" />
+
+    <value name="stats_heap_used"        id="0xe7" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_heap_free"        id="0xe8" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_noram_errors"     id="0xe9" type="sensor" dataType="uint16" denom="1" />
+
+    <value name="LEDTIMING"    id="0x88" type="actor"  dataType="uint16" />
+  </values>
+
+</device>

avr/devices/n25/boot/0BUILD

@@ -0,0 +1,32 @@
+<?xml?>
+
+<gwbuild>
+
+  <target type="AvrHexFile" name="n25_boot" >
+
+    <includes type="avrasm" >
+      -I $(builddir)
+      -I $(srcdir)
+      -I $(topsrcdir)/avr
+      -I $(topbuilddir)/avr
+    </includes>
+
+
+    <sources type="avrasm" >
+      boot.asm
+    </sources>
+
+
+  </target>
+
+
+  <subdirs>
+  </subdirs>
+
+  <extradist>
+  </extradist>
+  
+
+</gwbuild>
+
+

avr/devices/n25/boot/boot.asm

@@ -0,0 +1,130 @@
+; ***************************************************************************
+; Source file for base system node on AtTiny 84
+;
+; This is for the maintenance system (i.e. the flash loader).
+;
+; All definitions and changes should go into this file.
+;
+;
+; ***************************************************************************
+
+.equ clock=1000000 ; Define the clock frequency
+
+.nolist
+.include "include/tn84def.inc" ; Define device ATtiny84
+.list
+
+.include "version.asm"
+.include "../defs.asm"
+.include "devices/all/defs.asm"
+
+.include "common/calls.asm"
+.include "common/utils_wait.asm"
+
+
+
+; ***************************************************************************
+; defines
+
+; ---------------------------------------------------------------------------
+; LED
+
+.equ LED_DDR             = DDRA
+.equ LED_PORT            = PORTA
+.equ LED_PIN             = PINA
+.equ LED_PINNUM          = PORTA3
+
+
+
+; ***************************************************************************
+; code segment
+
+.cseg
+.org 0x0000
+
+
+
+; ---------------------------------------------------------------------------
+; Reset and interrupt vectors
+
+  rjmp main                   ;  1: Reset vector
+  reti                        ;  2: EXT_INT0
+  reti                        ;  3: PCI0
+  reti                        ;  4: PCI1
+  reti                        ;  5: WDT
+  reti                        ;  6: TIM1_CAPT
+  reti                        ;  7: TIM1_COMPA
+  reti                        ;  8: TIM1_COMPB
+  reti                        ;  9: TIM1_OVF
+  reti                        ; 10: TIM0_COMPA
+  reti                        ; 11: TIM0_COMPB
+  reti                        ; 12: TIM0_OVF
+  reti                        ; 13: ANA_COMP
+  reti                        ; 14: ADC
+  reti                        ; 15: EE_RDY
+  reti                        ; 16: USI_STR
+  reti                        ; 17: USI_OVF
+
+devInfoBlock:        ; 12 bytes
+devInfoManufacturer: .db 'A', 'Q', 'U', 'A'
+devInfoId:           .db DEVICEINFO_ID, 0
+devInfoVersion:      .db DEVICEINFO_VERSION, DEVICEINFO_REVISION             ; version, revision
+firmwareVersion:     .db FIRMWARE_VARIANT_BOOT, FIRMWARE_VERSION_MAJOR
+                     .db FIRMWARE_VERSION_MINOR, FIRMWARE_VERSION_PATCHLEVEL
+
+firmwareStart:
+  rjmp main ; will be overwritten when flashing
+
+
+
+; ***************************************************************************
+; main code
+
+
+.org BOOTLOADER_ADDR
+
+
+main:
+  rjmp bootLoader ; this routine is in modules/bootloader/main.asm
+
+
+
+; ***************************************************************************
+; includes
+
+.include "common/utils_wait_fixed.asm"
+.include "common/utils_copy_from_flash.asm"
+.include "common/utils_copy_sdram.asm"
+
+.include "modules/flash/defs.asm"
+.include "modules/flash/eeprom.asm"
+.include "modules/flash/io.asm"
+.include "modules/flash/io_attn.asm"
+.include "modules/flash/io_bitbang.asm"
+.include "modules/flash/flashxp.asm"
+.include "modules/flash/flash1p.asm"
+.include "modules/flash/flashprocess.asm"
+.include "modules/flash/wait.asm"
+.include "modules/bootloader/main.asm"
+.include "modules/network/msg/defs.asm"
+.include "modules/network/msg/crc.asm"
+
+
+
+systemSetSpeed:
+.if clock == 8000000
+  ldi r16, (1<<CLKPCE)
+  ldi r17, 0
+  out CLKPR, r16
+  out CLKPR, r17
+.endif
+
+.if clock == 1000000
+  ldi r16, (1<<CLKPCE)
+  ldi r17, (1<<CLKPS1) | (1<<CLKPS0)
+  out CLKPR, r16
+  out CLKPR, r17
+.endif
+  ret
+
+

avr/devices/n25/defs.asm

@@ -0,0 +1,90 @@
+; ***************************************************************************
+; copyright   : (C) 2025 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+; ***************************************************************************
+;
+;                                 AtTiny84
+;                                 --------
+;                            VCC  1     14  GND
+;                  OWI       PB0  2     13  PA0
+;                            PB1  3     12  PA1  COM-DATA
+;                            PB3  4     11  PA2         
+;                            PB2  5     10  PA3  LED
+;                  COM_ATTN  PA7  6      9  PA4  LED_CLK
+;                  LED_DATA  PA6  7      8  PA5
+;                                 --------
+;
+; ***************************************************************************
+
+
+
+.equ BOOTLOADER_ADDR = 0xd00
+
+
+.equ FIRMWARE_VARIANT_BOOT        = 0
+.equ FIRMWARE_VARIANT_LEDSTRIPS   = 1
+
+.equ DEVICEINFO_ID       = 'N'
+.equ DEVICEINFO_VERSION  = 25
+.equ DEVICEINFO_REVISION = 0
+
+
+; ---------------------------------------------------------------------------
+; LED module
+
+.equ LED_SIMPLE_ONTIME  = 1
+.equ LED_SIMPLE_OFFTIME = 50
+.equ LED_SIMPLE_DDR     = DDRA
+.equ LED_SIMPLE_PORT    = PORTA
+.equ LED_SIMPLE_PORTIN  = PINA
+.equ LED_SIMPLE_PINNUM  = PORTA3
+
+
+
+; ---------------------------------------------------------------------------
+; COM module
+
+.equ COM_BIT_LENGTH      = 52000 ; 104000ns=9600, 52000ns=19200, 26000ns=38400
+.equ COM_HALFBIT_LENGTH  = 26000 ; see https://de.wikipedia.org/wiki/Universal_Asynchronous_Receiver_Transmitter
+
+.equ COM_DATA_DDR       = DDRA
+.equ COM_DATA_INPUT     = PINA
+.equ COM_DATA_OUTPUT    = PORTA
+.equ COM_DATA_PIN       = PORTA1
+
+.equ COM_ATTN_DDR       = DDRA
+.equ COM_ATTN_INPUT     = PINA
+.equ COM_ATTN_OUTPUT    = PORTA
+.equ COM_ATTN_PIN       = PORTA7
+
+.equ COM_IRQ_ADDR_ATTN   = PCMSK0
+.equ COM_IRQ_BIT_ATTN    = PCINT7       ; bit 7 in PCMSK0 (PCINT7)
+.equ COM_IRQ_GIFR_ATTN   = PCIF0
+.equ COM_IRQ_GIMSK_ATTN  = PCIE0
+
+
+
+; ---------------------------------------------------------------------------
+; 1-Wire Master
+;
+
+.equ OWI_DDR     = DDRB
+.equ OWI_PORTOUT = PORTB
+.equ OWI_PORTIN  = PINB
+.equ OWI_PINNUM  = PORTB0
+
+
+; ---------------------------------------------------------------------------
+; SK6812
+
+.equ SK6812_DDR    = DDRA
+.equ SK6812_PORT   = PORTA
+.equ SK6812_PINNUM = PORTA6
+
+

avr/devices/n25/main/0BUILD

@@ -0,0 +1,33 @@
+<?xml?>
+
+<gwbuild>
+
+  <target type="AvrHexFile" name="n25_firmware" >
+
+    <includes type="avrasm" >
+      -I $(builddir)
+      -I $(srcdir)
+      -I $(topsrcdir)/avr
+      -I $(topbuilddir)/avr
+    </includes>
+
+
+    <sources type="avrasm" >
+      main.asm
+    </sources>
+
+
+  </target>
+
+
+
+  <subdirs>
+  </subdirs>
+
+  <extradist>
+  </extradist>
+  
+
+</gwbuild>
+
+

avr/devices/n25/main/main.asm

@@ -0,0 +1,217 @@
+; ***************************************************************************
+; copyright   : (C) 2025 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+
+; ***************************************************************************
+; Source file for LED controller node on AtTiny 84
+;
+; This is for the full system (i.e. not the boot loader).
+; ***************************************************************************
+
+.equ clock=8000000 ; Define the clock frequency
+
+
+
+.nolist
+.include "include/tn84def.inc" ; Define device ATtiny84
+.list
+
+.include "version.asm"
+.include "../defs.asm"
+;.include "./data.asm"
+
+.include "devices/all/defs.asm"
+
+.include "common/calls.asm"
+.include "common/utils_wait.asm"
+
+
+
+; ***************************************************************************
+; defines
+
+; ---------------------------------------------------------------------------
+; generic
+
+.equ NET_BUFFERS_NUM            = 6
+.equ NET_BUFFERS_SIZE           = 32
+
+
+
+; ---------------------------------------------------------------------------
+; firmware settings including list of modules used
+
+
+#define MODULES_CLOCK
+#define MODULES_LED_SIMPLE
+#define MODULES_NETWORK
+#define MODULES_UART_BITBANG
+#define MODULES_OWI_MASTER
+#define MODULES_DS18B20
+#define MODULES_SK6812
+;#define MODULES_MOTION_LIGHT
+
+#define APPS_NETWORK
+#define APPS_REPORTSENSORS
+#define APPS_STATS
+#define APPS_MA_LIGHT
+
+
+
+; ---------------------------------------------------------------------------
+; defines for modules
+
+;.equ VALUE_ID_SI7021_TEMP    = 0x01
+;.equ VALUE_ID_SI7021_HUM     = 0x02
+
+;.equ VALUE_ID_ADC            = 0x03
+;.equ VALUE_ID_REED1          = 0x04
+;.equ VALUE_ID_REED2          = 0x05
+.equ VALUE_ID_DS18B20_TEMP    = 0x06
+
+;.equ VALUE_ID_REED_CONF      = 0x81
+.equ VALUE_ID_LED_NUMLEDS      = 0x82
+.equ VALUE_ID_LED_RGBW_VALUE   = 0x83
+.equ VALUE_ID_MAL_RGBW_VALUE   = 0x84
+.equ VALUE_ID_MAL_ONTIME       = 0x85
+.equ VALUE_ID_MAL_SOURCE1      = 0x86
+.equ VALUE_ID_MAL_SOURCE2      = 0x87
+
+.equ VALUE_ID_LEDSIMPLE_TIMING = 0x88
+
+
+; ***************************************************************************
+; code segment
+
+.cseg
+.org 000000
+
+
+
+; ---------------------------------------------------------------------------
+; Reset and interrupt vectors
+
+  rjmp BOOTLOADER_ADDR        ;  1: Reset vector  ; use this for flashed system
+  reti                        ;  2: EXT_INT0
+#ifdef MODULES_UART_BITBANG
+  rjmp UART_BitBang_PcintIsr  ;  3: PCI0
+#else
+  reti                        ;  3: PCI0
+#endif
+  reti                        ;  4: PCI1
+  reti                        ;  5: WDT
+  reti                        ;  6: TIM1_CAPT
+  reti                        ;  7: TIM1_COMPA
+  reti                        ;  8: TIM1_COMPB
+  reti                        ;  9: TIM1_OVF
+  rjmp baseTimerIrqOC0A       ; 10: TIM0_COMPA
+  reti                        ; 11: TIM0_COMPB
+  reti                        ; 12: TIM0_OVF
+  reti                        ; 13: ANA_COMP
+  reti                        ; 14: ADC
+  reti                        ; 15: EE_RDY
+  reti                        ; 16: USI_STR
+  reti                        ; 17: USI_OVF
+
+
+devInfoBlock:        ; 12 bytes
+devInfoManufacturer: .db 'A', 'Q', 'U', 'A'
+devInfoId:           .db DEVICEINFO_ID, 0
+devInfoVersion:      .db DEVICEINFO_VERSION, DEVICEINFO_REVISION             ; version, revision
+firmwareVersion:     .db FIRMWARE_VARIANT_LEDSTRIPS, FIRMWARE_VERSION_MAJOR
+                     .db FIRMWARE_VERSION_MINOR, FIRMWARE_VERSION_PATCHLEVEL
+
+; ---------------------------------------------------------------------------
+; @routine firmwareStart @global
+
+firmwareStart:
+  rjmp main
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine onSystemStart
+
+onSystemStart:
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine onMessageReceived
+;
+; Called on every message received
+
+onMessageReceived:
+  clc
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine onEvery100ms
+;
+; Called every 100ms. Add your routine calls here. No arguments, no results.
+
+onEvery100ms:
+onEveryMinute:
+onEveryHour:
+onEveryDay:
+  ret
+; @end
+
+onEverySecond:
+  ret
+#if 0
+  ; debug
+  ldi r19, 0x00           ; G
+  ldi r18, 0xff           ; R
+  ldi r20, 0x55           ; B
+  ldi r21, 0xaa           ; W
+  rcall SK6812_SetAllColor ; r23 (r16, r17)
+#endif
+  ret
+
+
+
+; ---------------------------------------------------------------------------
+; @routine onEveryLoop
+;
+; Called on every loop (i.e. after awakening from sleep).
+;
+onEveryLoop:
+  ret
+; @end
+
+
+
+
+
+; ***************************************************************************
+; includes
+
+.include "devices/all/hw_tn84.asm"
+.include "devices/all/includes.asm"
+;.include "common/debug.asm"
+
+
+
+; ---------------------------------------------------------------------------
+; defines for network interface
+
+#ifdef MODULES_UART_BITBANG
+.equ netInterfaceData = uart_bitbang_iface
+#endif
+
+
+
+

avr/devices/t03/boot/boot.asm

@@ -13,28 +13,18 @@
 .include "include/tn841def.inc" ; Define device ATtiny841
 .list
 
+.include "version.asm"
 .include "../defs.asm"
-.include "defs_all.asm"
+.include "devices/all/defs.asm"
+
+.include "common/calls.asm"
+.include "common/utils_wait.asm"
 
 
 
 ; ***************************************************************************
 ; defines
 
-; ---------------------------------------------------------------------------
-; generic
-
-.include "common/utils_wait.asm"
-
-
-
-; ---------------------------------------------------------------------------
-; firmware settings
-
-.equ FIRMWARE_VERSION_MAJOR       = 0
-.equ FIRMWARE_VERSION_MINOR       = 0
-.equ FIRMWARE_VERSION_PATCHLEVEL  = 1
-
 
 ;#define COM_ACCEPT_ALL_DEST 1
 

avr/devices/t03/main/main.asm

@@ -30,8 +30,12 @@
 .list
 
 .include "../defs.asm"
-.include "defs_all.asm"
+.include "version.asm"
+;.include "defs_all.asm"
 
+.include "devices/all/defs.asm"
+
+.include "common/calls.asm"
 .include "common/utils_wait.asm"
 .include "common/utils_io.asm"
 
@@ -47,10 +51,6 @@
 ; ---------------------------------------------------------------------------
 ; firmware settings including list of modules used
 
-.equ FIRMWARE_VERSION_MAJOR       = 0
-.equ FIRMWARE_VERSION_MINOR       = 0
-.equ FIRMWARE_VERSION_PATCHLEVEL  = 1
-
 
 #define MAIN_WITHOUT_MSG_HANDLING ; we do message handling ourselfes
 

avr/modules/bootloader/main.asm

@@ -70,7 +70,8 @@ bootLoader_startFirmware:
   ldi r20, 4  ; on time
   ldi r21, 1  ; off time
   rcall bootLoaderBlinkLed
-  rjmp firmwareStart
+  bigjmp firmwareStart
+
 bootLoader_waitAndRestartBootLoader:
   ldi r19, 3  ; loop count
   ldi r20, 1  ; on time

avr/modules/flash/flash1pmega.asm

@@ -42,13 +42,14 @@ flash1pMegaWritePage:
   ldi xl, LOW(flashPageBuffer)
   ldi xh, HIGH(flashPageBuffer)
   ldi r24, LOW(PAGESIZE)
+  ldi r25, HIGH(PAGESIZE)
 flash1pMegaWritePages_loop:
     ld r0, X+                               ; read source data from buffer (low)
     ld r1, X+                               ; read source data from buffer (high)
     ldi r20, (1<<SPMEN)                     ; enable next SPM, write R1:R0 into temp page buffer
     rcall flashDoSpm                        ; (R16)
     adiw zh:zl, 2
-    dec r24
+    sbiw r25:r24, 1
   brne flash1pMegaWritePages_loop
 
   subi zl, LOW(PAGESIZE*2)                  ; point back to begin of page

avr/modules/flash/flashxp.asm

@@ -7,6 +7,8 @@
 ; * Please see toplevel file COPYING of that project for license details.   *
 ; ***************************************************************************
 
+; Code for large pagesizes (128 and larger)
+
 
 ; ***************************************************************************
 ; code
@@ -92,7 +94,7 @@ flashWriteData:
 flashWriteData_beginPage:
   rcall flashBeginPage                 ; (r16, r24, r25, X)
 flashWriteData_calcPosAndLength:
-  rcall flashCalcPosAndLength          ; r18=bytes_to_write, x=pos_in_buffer (r24, r25)
+  rcall flashCalcPosAndLength          ; r18=bytes_to_write, x=pos_in_buffer (r19, r24, r25)
   ; X=abs pos in buffer, r18=bytes to read, r17=bytes initially requested
   ; prepare data for return
   sub r17, r18                         ; r17 holds remainder
@@ -117,24 +119,30 @@ flashWriteData_copyLoop:
 ; @param  R17 number of bytes to write
 ; @return X   absolute write position inside buffer
 ; @return R18 bytes to write
-; @clobbers r24, r25
+; @clobbers r19, r24, r25
 
 flashCalcPosAndLength:
   ; calc offset into buffer
   mov r24, zl
-  andi r24, (FLASH_PAGESIZE-1)   ; r24=rel pos inside buffer
-  ldi r25, FLASH_PAGESIZE
-  sub r25, r24                   ; r25=bytes left inside page
-  mov r18, r17
-  cp r25, r17                    ; bytes to read > bytes left in page?
-  brcc flashCalcPosAndLength_l1  ; no: jump
-  mov r18, r25                   ; yes: cut r18 to number of bytes left in page
-flashCalcPosAndLength_l1:
-  ldi xl, LOW(flashPageBuffer)   ; set X to pos within page buffer
+  mov r25, zh
+  andi r24, LOW(FLASH_PAGESIZE-1)
+  andi r25, HIGH(FLASH_PAGESIZE-1)   ; R25:r24=pos inside page
+  ldi r18, LOW(FLASH_PAGESIZE)
+  ldi r19, HIGH(FLASH_PAGESIZE)
+  sub r18, r24
+  sbc r19, r25                       ; R19:R18=FLASH_PAGESIZE-relPos
+  tst r19                            ; high byte zero?
+  breq flashCalcPosAndLength_8bit    ; yes, already 8-bit
+  ldi r18, 255                       ; clip size to 8 bit
+flashCalcPosAndLength_8bit:
+  cp r17, r18                        ; r18>r17?
+  brcc flashCalcPosAndLength_sizeOk  ; nope: jump
+  mov r18, r17                       ; clip r18 to size requested
+flashCalcPosAndLength_sizeOk:        ; r18=bytes to write
+  ldi xl, LOW(flashPageBuffer)       ; set X to pos within page buffer
   ldi xh, HIGH(flashPageBuffer)
   add xl, r24
-  adc xh, r24
-  sub xh, r24
+  adc xh, r25
   ret
 ; @end
 
@@ -245,17 +253,17 @@ flashEndPage_write:
 ; @routine flashReadPageIntoSram
 ;
 ; @param Z Address to read from (byte address as for LPM!)
-; @clobbers r16, r24, X, Z
+; @clobbers r16, r24, r25, X, Z
 
 flashReadPageIntoSram:
   ldi xl, LOW(flashPageBuffer)
   ldi xh, HIGH(flashPageBuffer)
   ldi r24, LOW(FLASH_PAGESIZE)
+  ldi r25, HIGH(FLASH_PAGESIZE)
 flashReadPageIntoSram_loop:
     lpm r16, Z+ 
     st X+, r16
-;    adiw ZH:ZL, 1
-    dec r24
+    sbiw r25:r24, 1
   brne flashReadPageIntoSram_loop
   ret
 ; @end

avr/modules/flash/io_bitbang.asm

@@ -189,7 +189,7 @@ ioRawReceivePacketIntoBuffer:
   breq ioRawReceivePacketIntoBuffer_acceptAddr
   cpi r16, 0xff
   breq ioRawReceivePacketIntoBuffer_acceptAddr
-  ldi r16, COM2_ERROR_NOTFORME
+  clr r16                                         ; not for me
   rjmp ioRawReceivePacketIntoBuffer_error         ; clc/ret
 #endif
 ioRawReceivePacketIntoBuffer_acceptAddr:

avr/modules/network/defs.asm

@@ -40,8 +40,8 @@
 .equ NET_IFACE_OFFS_ERR_IO_HIGH         = 15
 .equ NET_IFACE_OFFS_ERR_NOBUF_LOW       = 16
 .equ NET_IFACE_OFFS_ERR_NOBUF_HIGH      = 17
-.equ NET_IFACE_OFFS_HANDLED_LOW         = 18
-.equ NET_IFACE_OFFS_HANDLED_HIGH        = 19
+.equ NET_IFACE_OFFS_ERR_MSGSIZE_LOW     = 18
+.equ NET_IFACE_OFFS_ERR_MSGSIZE_HIGH    = 19
 .equ NET_IFACE_OFFS_ERR_MISSED_LOW      = 20
 .equ NET_IFACE_OFFS_ERR_MISSED_HIGH     = 21
 

avr/modules/network/msg/0BUILD

@@ -12,6 +12,7 @@
     debug-w.asm
     device-w.asm
     memstats-w.asm
+    pong-w.asm
     reboot-d.asm
     reboot-r.asm
     recvstats-w.asm

avr/modules/network/msg/device-w.asm

@@ -29,7 +29,7 @@ NETMSG_Device_Write:
   ldi zh, HIGH(devInfoBlock*2)        ; 6-17: devInfoBlock
   ldi zl, LOW(devInfoBlock*2)
   ldi r18, 12
-  rcall Utils_CopyFromFlash           ; (R17, R18, X, Z)
+  bigcall Utils_CopyFromFlash           ; (R17, R18, X, Z)
   sbiw xh:xl, 20 ; go back to beginning of message (1 byte dst addr, 1 byte length, 18 bytes payload)
   rcall NETMSG_CalcAndAddChecksumByte ; (R16, R17, R18, R19, R20, X)
   sbiw xh:xl, 21 ; go back to beginning of message (1 byte dst addr, 1 byte length, 18 bytes payload, 1 byte crc)

avr/modules/network/msg/pong-w.asm

@@ -0,0 +1,37 @@
+; ***************************************************************************
+; copyright   : (C) 2025 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+
+
+; ---------------------------------------------------------------------------
+; @routine NETMSG_Pong_Write @global
+;
+; @param  R16 dest addr
+; @param Y pointer to device to write msg for and to
+; @param X pointer to buffer to write to
+; @clobbers R16 (R17, R18, R19, R20, R21, Z)
+
+NETMSG_Pong_Write:
+  st X+, r16                          ; dest address
+  ldi r16, 6                          ; msg code+src address+4 payload bytes
+  st X+, r16                          ; msg len
+  ldi r16, NETMSG_CMD_PONG
+  st X+, r16                          ; msg code
+  ldd r16, Y+NET_IFACE_OFFS_ADDRESS
+  st X+, r16                          ; src address
+  rcall NETMSG_Common_AddUidToBuffer  ; (R16, R18, R19, R20, R21)
+
+  sbiw xh:xl, 8 ; go back to beginning of message (1 byte dst addr, 1 byte length, 6 bytes payload)
+  rcall NETMSG_CalcAndAddChecksumByte ; (R16, R17, R18, R19, R20, X)
+  sbiw xh:xl, 9 ; go back to beginning of message (1 byte dst addr, 1 byte length, 6 bytes payload, 1 byte crc)
+  ret
+; @end
+
+
+

avr/modules/network/msg/recvstats-w.asm

@@ -28,7 +28,7 @@ NETMSG_RecvStats_Write:
   rcall NETMSG_Common_AddUidToBuffer  ; (R16, R18, R19, R20, R21)
   adiw yh:yl, NET_IFACE_OFFS_PACKETSIN_LOW
   ldi r18, 12
-  rcall Utils_Copy_SDRAM              ; (R17, R18, X, Y)
+  bigcall Utils_Copy_SDRAM              ; (R17, R18, X, Y)
   sbiw yh:yl, NET_IFACE_OFFS_PACKETSIN_LOW+12
 
   sbiw xh:xl, 20 ; go back to beginning of message (1 byte dst addr, 1 byte length, 18 bytes payload)

avr/modules/network/msg/sendstats-w.asm

@@ -28,7 +28,7 @@ NETMSG_SendStats_Write:
   rcall NETMSG_Common_AddUidToBuffer  ; (R16, R18, R19, R20, R21)
   adiw yh:yl, NET_IFACE_OFFS_PACKETSOUT_LOW
   ldi r18, 6
-  rcall Utils_Copy_SDRAM              ; (R17, R18, X, Y)
+  bigcall Utils_Copy_SDRAM              ; (R17, R18, X, Y)
   sbiw yh:yl, NET_IFACE_OFFS_PACKETSOUT_LOW+6
 
   sbiw xh:xl, 14 ; go back to beginning of message (1 byte dst addr, 1 byte length, 12 bytes payload)

avr/modules/uart_bitbang2/0BUILD

@@ -3,10 +3,11 @@
 <gwbuild>
 
   <extradist>
+    bytelevel.asm
     defs.asm
     iface.asm
-    lowlevel.asm
     main.asm
+    msglevel.asm
   </extradist>
 
 </gwbuild>

avr/modules/uart_bitbang2/bytelevel.asm

@@ -0,0 +1,229 @@
+; ***************************************************************************
+; copyright   : (C) 2025 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+
+
+; ***************************************************************************
+; macros
+
+
+
+; ---------------------------------------------------------------------------
+; @macro UART_BB_M_WAIT_FOR_PIN_LOW IN_REG_DATA, IN_PINNUM
+;                                 0            1
+; Wait for a pin to become low
+; @param %0 DATA register for input pin (e.g. PINB)
+; @param %1 pin number for input (e.g. PORTB1)
+; @return CFLAG set if okay, clear otherwise
+; @clobbers R17, R22
+
+.macro UART_BB_M_WAIT_FOR_PIN_LOW
+  ldi r17, 200
+l_loop:
+    sbis @0, @1
+      rjmp l_reached
+    Utils_WaitNanoSecs 5000, 0, r22                ; wait for 5us
+    dec r17
+  brne l_loop
+  clc
+  rjmp l_end
+l_reached:
+  sec
+l_end:
+.endmacro
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @macro UART_BB_M_WAIT_FOR_PIN_HIGH IN_REG_DATA, IN_PINNUM
+;                                 0            1
+; Wait for a pin to become high (up to 1ms)
+; @param %0 DATA register for input pin (e.g. PINB)
+; @param %1 pin number for input (e.g. PORTB1)
+; @return CFLAG set if okay, clear otherwise
+; @clobbers R17, R22
+
+.macro UART_BB_M_WAIT_FOR_PIN_HIGH
+  ldi r17, 200
+l_loop:
+    sbic @0, @1
+      rjmp l_reached
+    Utils_WaitNanoSecs 5000, 0, r22                ; wait for 5us
+    dec r17
+  brne l_loop
+  clc
+  rjmp l_end
+l_reached:
+  sec
+l_end:
+.endmacro
+; @end
+
+
+
+; ***************************************************************************
+; code
+
+.cseg
+
+
+; ---------------------------------------------------------------------------
+; @routine uartBitbang_SendByte
+;
+; Send a byte.
+; We only set the data pin to low at the beginning for the startbit. After that
+; we only change the pin direction (e.g. input vs output):
+; - for 0 bit: set DDR to output, forcing the data line low
+; - for 1 bit: set DDR to input, letting the external pullup R pull the data line to HIGH
+;              since the output pin is still set to 0 the internal pullup is disabled
+; Expects interrupts to be disabled.
+;
+; @param R16 byte to send
+; @return CFLAG set if okay, clear otherwise
+; @clobbers R16, R21, R22
+
+uartBitbang_SendByte:
+  cbi COM_DATA_DDR, COM_DATA_PIN                   ; set DATA port as input
+  cbi COM_DATA_OUTPUT, COM_DATA_PIN                ; disable internal pullup for DATA
+  ldi r21, 8                                       ; +1 bits left
+  ; send startbit
+  sbi COM_DATA_DDR, COM_DATA_PIN                   ; +2 set DATA as output
+  cbi COM_DATA_OUTPUT, COM_DATA_PIN                ; +2 set DATA low
+  Utils_WaitNanoSecs COM_BIT_LENGTH, 1, r22        ; wait for one bit duration
+  ; send data bits
+uartBitbang_SendByte_loop:                         ; 11 for low bit
+    lsr r16                                        ; 1+ bit to send -> CARRY
+    brcs uartBitbang_SendByte_setHigh              ; HI: +2, LO: +1
+uartBitbang_SendByte_setLow:
+    sbi COM_DATA_DDR, COM_DATA_PIN                 ; +2 set DATA as output
+    cbi COM_DATA_OUTPUT, COM_DATA_PIN              ; +2 set DATA low
+    rjmp uartBitbang_SendByte_wait                 ; +2
+uartBitbang_SendByte_setHigh:
+    cbi COM_DATA_DDR, COM_DATA_PIN                 ; +2 set DATA as input, pullup R makes it ONE
+    cbi COM_DATA_OUTPUT, COM_DATA_PIN              ; +2 disable internal pullup for DATA
+    nop                                            ; +1
+    nop                                            ; +1
+uartBitbang_SendByte_wait:
+    Utils_WaitNanoSecs COM_BIT_LENGTH, 12, r22
+uartBitbang_SendByte_loopEnd:
+    dec r21                                        ; +1
+  brne uartBitbang_SendByte_loop                   ; +2, sum per loop: 11 cycles
+  ; send stopbit
+  cbi COM_DATA_DDR, COM_DATA_PIN                   ; +2 set DATA as input, pullup R makes it ONE
+  cbi COM_DATA_OUTPUT, COM_DATA_PIN                ; +2 disable internal pullup for DATA
+  Utils_WaitNanoSecs COM_BIT_LENGTH, 1, r22        ; wait for one bit length
+  sec
+  ret
+; @end
+
+
+
+
+; ---------------------------------------------------------------------------
+; @routine uartBitbangReceiveByte
+;
+; Read a byte.
+; Expects interrupts to be disabled.
+;
+; @return CFLAG set if okay, clear otherwise
+; @return R16 byte received
+; @clobbers R16, R17, R20, R21, R22
+
+uartBitbang_ReceiveByte:
+  cbi COM_DATA_DDR, COM_DATA_PIN                ; set DATA port as input
+  cbi COM_DATA_OUTPUT, COM_DATA_PIN             ; disable internal pullup for RXD
+  ldi r21, 8                                    ; bits left
+  clr r20                                       ; byte currently receiving
+
+  ; wait for startbit
+  ldi r16, 10
+uartBitbang_ReceiveByte_loopStartBit1:
+    ldi r17, 100                                  ; wait for 100us
+uartBitbang_ReceiveByte_loopStartBit2:
+      sbis COM_DATA_INPUT, COM_DATA_PIN
+        rjmp uartBitbang_ReceiveByte_gotStartBit
+      Utils_WaitNanoSecs 1000, 0, r22             ; wait for 1us
+      dec r17
+    brne uartBitbang_ReceiveByte_loopStartBit2
+    dec r16
+  brne uartBitbang_ReceiveByte_loopStartBit1
+  rjmp uartBitbang_ReceiveByte_error
+uartBitbang_ReceiveByte_gotStartBit:
+  Utils_WaitNanoSecs COM_HALFBIT_LENGTH, 0, r22 ; goto middle of startbit to maximize sync stability (4)
+uartBitbang_ReceiveByte_loop:
+    Utils_WaitNanoSecs COM_BIT_LENGTH, 8, r22   ; 8 cycles used in the complete loop between waits
+    sec                                         ; +1
+    sbic COM_DATA_INPUT, COM_DATA_PIN           ; LOW: +2, HIGH: +1
+      rjmp uartBitbang_ReceiveByte_shiftIn      ; HIGH: +2, rjmp, use set CFLAG
+    clc                                         ; LOW: +1
+uartBitbang_ReceiveByte_shiftIn:
+    ror r20                                     ; +1
+    dec r21                                     ; +1
+  brne uartBitbang_ReceiveByte_loop             ; +2, sum per loop: 8 cycles
+  rcall uartBitbang_WaitForDataHigh             ; wait for start of stopbit
+  brcc uartBitbang_ReceiveByte_error
+  mov r16, r20
+  sec
+  ret
+uartBitbang_ReceiveByte_error:
+  clc
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine uartBitbang_WaitForDataLow
+;
+; Wait up to 1ms for data pin to become low
+; @return CFLAG set if okay, clear otherwise
+; @clobbers R17, R22
+
+uartBitbang_WaitForDataLow:
+  cbi COM_DATA_DDR, COM_DATA_PIN          ; set DATA port as input
+  cbi COM_DATA_OUTPUT, COM_DATA_PIN       ; disable internal pullup for TXD
+  UART_BB_M_WAIT_FOR_PIN_LOW COM_DATA_INPUT, COM_DATA_PIN
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine uartBitbang_WaitForDataHigh
+;
+; Wait up to 1ms for data pin to become high
+; @return CFLAG set if okay, clear otherwise
+; @clobbers R17, R22
+
+uartBitbang_WaitForDataHigh:
+  cbi COM_DATA_DDR, COM_DATA_PIN          ; set DATA port as input
+  cbi COM_DATA_OUTPUT, COM_DATA_PIN       ; disable internal pullup for TXD
+  UART_BB_M_WAIT_FOR_PIN_HIGH COM_DATA_INPUT, COM_DATA_PIN
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine uartBitbang_WaitForOneBitLength
+;
+; wait for one bit length (minus cycles for call and ret).
+;
+; @clobbers r22
+
+uartBitbang_WaitForOneBitLength:
+  Utils_WaitNanoSecs COM_BIT_LENGTH, 7, r22       ; wait for one bit duration (minus RCALL/RET)
+  ret
+; @end
+
+
+
+
+

avr/modules/uart_bitbang2/iface.asm

@@ -20,13 +20,41 @@
 
 
 
+; ***************************************************************************
+; macros
+
+
+.macro mUartBitbangSetupInt0
+  inr r16, MCUCR
+  cbr r16, (1<<ISC01) | (1<<ISC00)
+  sbr r16, (1<<ISC01) | (0<<ISC00)        ; falling edge of ATTN
+  outr MCUCR, r16
+;  sbr r16, (0<<ISC01) | (0<<ISC00)         ; low level triggers
+  inr r16, COM_IRQ_ADDR_ATTN             ; enable irq for ATTN line
+  sbr r16, (1<<COM_IRQ_BIT_ATTN)
+  outr COM_IRQ_ADDR_ATTN, r16
+.endmacro
+
+
+
+.macro mUartBitbangSetupPci
+  sbi COM_IRQ_ADDR_ATTN, COM_IRQ_BIT_ATTN ; enable pin change irq for ATTN line
+  in r16, GIMSK                           ; enable pin change irq PCIE0 or PCIE1
+  ori r16, (1<<COM_IRQ_GIMSK_ATTN)
+  out GIMSK, R16
+  ldi r16, (1<<COM_IRQ_GIFR_ATTN)         ; clear pending irq by writing 1 to ATTN bit
+  out GIFR, r16
+.endmacro
+
+
+
+
 ; ***************************************************************************
 ; data
 
 .dseg
 
-uart_bitbang_iface: .byte NET_IFACE_SIZE
-
+uart_bitbang_iface:     .byte NET_IFACE_SIZE
 
 
 
@@ -50,12 +78,30 @@ UART_BitBang_Init:
   rcall NET_Interface_Init                ; (R16, R17, X)
 
   ; init hw
+  cbi COM_DATA_DDR, COM_DATA_PIN          ; set TXD port as input
+  cbi COM_DATA_OUTPUT, COM_DATA_PIN       ; disable internal pullup for DATA
+  cbi COM_ATTN_DDR, COM_ATTN_PIN          ; set ATTN port as input
+  cbi COM_ATTN_OUTPUT, COM_ATTN_PIN       ; disable internal pullup for ATTN
+
+  ; enable IRQ
+.ifdef INT0
+  .if COM_IRQ_BIT_ATTN == INT0
+    mUartBitbangSetupInt0
+  .else
+    mUartBitbangSetupPci
+  .endif
+.else
+  mUartBitbangSetupPci
+.endif
+
+#if 0
   sbi COM_IRQ_ADDR_ATTN, COM_IRQ_BIT_ATTN ; enable pin change irq for ATTN line
   in r16, GIMSK                           ; enable pin change irq PCIE0 or PCIE1
   ori r16, (1<<COM_IRQ_GIMSK_ATTN)
   out GIMSK, R16
   ldi r16, (1<<COM_IRQ_GIFR_ATTN)         ; clear pending irq by writing 1 to ATTN bit
   out GIFR, r16
+#endif
 
   sec
   ret
@@ -73,6 +119,7 @@ UART_BitBang_Fini:
   cbi COM_DATA_DDR, COM_DATA_PIN          ; set TXD port as input
   cbi COM_ATTN_DDR, COM_ATTN_PIN          ; set ATTN port as input
 
+#if 0
   cbi COM_IRQ_ADDR_ATTN, COM_IRQ_BIT_ATTN ; disable pin change irq for ATTN line
   in r16, GIMSK                           ; enable pin change irq PCIE0 or PCIE1
   andi r16, ~(1<<COM_IRQ_GIMSK_ATTN)
@@ -80,6 +127,8 @@ UART_BitBang_Fini:
   
   ldi r16, (1<<COM_IRQ_GIFR_ATTN)         ; clear pending irq by writing 1 to ATTN bit
   out GIFR, r16
+#endif
+
   ret
 ; @end
 
@@ -124,16 +173,12 @@ uartBitBang_sendNextPkg:
   rcall NET_Buffer_Locate                    ; get pointer to buffer (R17)
   brcc uartBitBang_sendNextPkg_end
   adiw xh:xl, 1                              ; skip buffer header
-  rcall uartBitbang_SendPacket               ; (R16, R17, R21, R22, X)
-  brcc uartBitBang_sendNextPkg_error
+  rcall uartBitbang_SendMsg                  ; (R16, R17, R21, R22, R24, R25, X)
+  brcc uartBitBang_sendNextPkg_end
   rcall NET_Interface_GetNextOutgoingMsgNum  ; remove from stack (R17, R18, X)
   rcall NET_Buffer_ReleaseByNum              ; release buffer (R16, X)
-  ldi r16, NET_IFACE_OFFS_PACKETSOUT_LOW
-  rcall NET_Interface_IncCounter16           ; (R24, R25)
   sec
   rjmp uartBitBang_sendNextPkg_end
-uartBitBang_sendNextPkg_error:
-  rcall NET_Interface_IncCounter16           ; (R24, R25)
 uartBitBang_sendNextPkg_end:
   ret
 ; @end
@@ -145,73 +190,38 @@ uartBitBang_sendNextPkg_end:
 ;
 ; Receive packet.
 ;
-; @return CFLAG set if okay (packet received), cleared on error
-; @clobbers R16, R17, X (R18, R19, R20, R21, R22, R24, R25)
+; @param Y pointer to start of interface data
+; @clobbers R16, R17, R18, R19, R20, R21, R22, R24, R25, X
 
 uartBitbang_receiveNextPkg:
-  rcall NET_Buffer_Alloc                          ; (R16, R17, X)
+  rcall NET_Buffer_Alloc                          ; R16=buffer num (R16, R17, X)
   brcs uartBitbang_receiveNextPkg_gotBuffer
   ldi r16, NET_IFACE_OFFS_ERR_NOBUF_LOW
   rcall NET_Interface_IncCounter16                ; (R24, R25)
-  clc
   rjmp uartBitbang_receiveNextPkg_end
 uartBitbang_receiveNextPkg_gotBuffer:
   push r16                                        ; buffer number
     adiw xh:xl, 1
-    rcall uartBitbang_receiveAndCheckPkg          ; (r16, r17, r18, r19, r20, r21, r22, X)
-  pop r17                                         ; pop buffer number to R17
-  brcs uartBitbang_receiveNextPkg_gotPkg
-  tst r16                                         ; error code=0: pkg not for me
-  breq uartBitbang_receiveNextPkg_RelBuffer
-uartBitbang_receiveNextPkg_incCntRelBuffer:
-  rcall NET_Interface_IncCounter16                ; (R24, R25)
-uartBitbang_receiveNextPkg_RelBuffer:
-  mov r16, r17
-  rcall NET_Buffer_ReleaseByNum                   ; (R16, X)
-  clc
-  rjmp uartBitbang_receiveNextPkg_end
-uartBitbang_receiveNextPkg_gotPkg:
-  mov r16, r17
+    ldd r18, Y+NET_IFACE_OFFS_ADDRESS
+    ldi r19, NET_BUFFERS_SIZE-1
+    rcall uartBitbang_ReceiveAndCheckMsg          ; (R16, R17, R19, R20, R21, R22, R24, R25)
+  pop r16
+  brcc uartBitbang_receiveNextPkg_relBuffer
   rcall NET_AddIncomingMsgNum                     ; (R17, R18, X)
-  ldi r16, NET_IFACE_OFFS_ERR_NOBUF_LOW
-  brcc uartBitbang_receiveNextPkg_incCntRelBuffer
-  ldi r16, NET_IFACE_OFFS_PACKETSIN_LOW
-  rcall NET_Interface_IncCounter16                ; (R24, R25)
-  sec
+  brcs uartBitbang_receiveNextPkg_end
+  push r16
+    ldi r16, NET_IFACE_OFFS_ERR_MISSED_LOW
+    rcall NET_Interface_IncCounter16              ; (R24, R25)
+  pop r16
+  ; fall-through to release buffer
+uartBitbang_receiveNextPkg_relBuffer:
+  rcall NET_Buffer_ReleaseByNum                   ; (R16, X)
 uartBitbang_receiveNextPkg_end:
   ret
 ; @end
 
 
 
-; ---------------------------------------------------------------------------
-; @routine uartBitbang_receiveAndCheckPkg
-;
-; Receive a packet into buffer pointed to by X and CRC check it.
-; Expects interrupts to be disabled.
-;
-; @param X   buffer to receive to
-; @param Y pointer to start of interface data
-; @return CFLAG set if okay (packet received), cleared on error
-; @return R16 error var offset if CFLAG is cleared
-; @clobbers: r16 (r17, r18, r19, r20, r21, r22, X)
-
-uartBitbang_receiveAndCheckPkg:
-  ldd r16, Y+NET_IFACE_OFFS_ADDRESS
-  ldi r17, (NET_BUFFERS_SIZE-2)
-  push xl
-    push xh
-      rcall uartBitbang_ReceivePacketIntoBuffer ; (r16, r17, r18, r19, r20, r21, r22, X)
-    pop xh
-  pop xl
-  brcc uartBitbang_receiveAndCheckPkg_end
-  rcall NETMSG_CheckMessageInBuffer             ; (R16, R17, R18, R19, R20, X)
-  ldi r16, NET_IFACE_OFFS_ERR_CONTENT_LOW
-uartBitbang_receiveAndCheckPkg_end:
-  ret
-; @end
-
-
 
 
 

avr/modules/uart_bitbang2/lowlevel.asm

@@ -1,368 +0,0 @@
-; ***************************************************************************
-; copyright   : (C) 2025 by Martin Preuss
-; email       : martin@libchipcard.de
-;
-; ***************************************************************************
-; * This file is part of the project "AqHome".                              *
-; * Please see toplevel file COPYING of that project for license details.   *
-; ***************************************************************************
-
-
-
-; ***************************************************************************
-; code
-
-; ---------------------------------------------------------------------------
-; @macro UART_BB_M_WAIT_FOR_PIN_LOW IN_REG_DATA, IN_PINNUM
-;                                 0            1
-; Wait for a pin to become low
-; @param %0 DATA register for input pin (e.g. PINB)
-; @param %1 pin number for input (e.g. PORTB1)
-; @return CFLAG set if okay, clear otherwise
-; @clobbers R17, R22
-
-.macro UART_BB_M_WAIT_FOR_PIN_LOW
-  ldi r17, 200
-l_loop:
-    sbis @0, @1
-      rjmp l_reached
-    Utils_WaitNanoSecs 5000, 0, r22                ; wait for 5us
-    dec r17
-  brne l_loop
-  clc
-  rjmp l_end
-l_reached:
-  sec
-l_end:
-.endmacro
-; @end
-
-
-
-; ---------------------------------------------------------------------------
-; @macro UART_BB_M_WAIT_FOR_PIN_HIGH IN_REG_DATA, IN_PINNUM
-;                                 0            1
-; Wait for a pin to become high (up to 1ms)
-; @param %0 DATA register for input pin (e.g. PINB)
-; @param %1 pin number for input (e.g. PORTB1)
-; @return CFLAG set if okay, clear otherwise
-; @clobbers R17, R22
-
-.macro UART_BB_M_WAIT_FOR_PIN_HIGH
-  ldi r17, 200
-l_loop:
-    sbic @0, @1
-      rjmp l_reached
-    Utils_WaitNanoSecs 5000, 0, r22                ; wait for 5us
-    dec r17
-  brne l_loop
-  clc
-  rjmp l_end
-l_reached:
-  sec
-l_end:
-.endmacro
-; @end
-
-
-
-
-
-
-; ---------------------------------------------------------------------------
-; @routine uartBitbang_SendByte
-;
-; Send a byte.
-; We only set the data pin to low at the beginning for the startbit. After that
-; we only change the pin direction (e.g. input vs output):
-; - for 0 bit: set DDR to output, forcing the data line low
-; - for 1 bit: set DDR to input, letting the external pullup R pull the data line to HIGH
-;              since the output pin is still set to 0 the internal pullup is disabled
-; Expects interrupts to be disabled.
-;
-; @param R16 byte to send
-; @return CFLAG set if okay, clear otherwise
-; @clobbers R16, R21, R22
-
-uartBitbang_SendByte:
-  cbi COM_DATA_DDR, COM_DATA_PIN                   ; set DATA port as input
-  cbi COM_DATA_OUTPUT, COM_DATA_PIN                ; disable internal pullup for DATA
-  ldi r21, 8                                       ; +1 bits left
-  ; send startbit
-  sbi COM_DATA_DDR, COM_DATA_PIN                   ; +2 set DATA as output
-  cbi COM_DATA_OUTPUT, COM_DATA_PIN                ; +2 set DATA low
-  Utils_WaitNanoSecs COM_BIT_LENGTH, 1, r22        ; wait for one bit duration
-  ; send data bits
-uartBitbang_SendByte_loop:                         ; 9 for low bit
-    lsr r16                                        ; 1+ bit to send -> CARRY
-    brcs uartBitbang_SendByte_setHigh              ; HI: +2, LO: +1
-uartBitbang_SendByte_setLow:
-    sbi COM_DATA_DDR, COM_DATA_PIN                 ; +2 set DATA as output
-    cbi COM_DATA_OUTPUT, COM_DATA_PIN              ; +2 set DATA low
-    Utils_WaitNanoSecs COM_BIT_LENGTH, 11, r22
-    rjmp uartBitbang_SendByte_loopEnd              ; +2
-uartBitbang_SendByte_setHigh:
-    cbi COM_DATA_DDR, COM_DATA_PIN                 ; +2 set DATA as input, pullup R makes it ONE
-    nop                                            ; +1 (to make pin change available)
-    Utils_WaitNanoSecs COM_HALFBIT_LENGTH, 0, r22  ; wait for half a bit length for line to safely settle
-    sbis COM_DATA_INPUT, COM_DATA_PIN              ; +1 if no skip, +2 if skipped
-      rjmp uartBitbang_SendByte_error              ; +2 if error (collision: we wanted line to be high but it is low)
-    Utils_WaitNanoSecs COM_HALFBIT_LENGTH, 11, r22
-uartBitbang_SendByte_loopEnd:
-    dec r21                                        ; +1
-  brne uartBitbang_SendByte_loop                   ; +2, sum per loop: 10 cycles
-  ; send stopbit
-  cbi COM_DATA_DDR, COM_DATA_PIN                   ; +2 set DATA as input, pullup R makes it ONE
-  Utils_WaitNanoSecs COM_BIT_LENGTH, 0, r22        ; wait for one bit length
-  sec
-  ret
-
-uartBitbang_SendByte_error:
-  clc
-  ret
-; @end
-
-
-
-; ---------------------------------------------------------------------------
-; @routine uartBitbangReceiveByte
-;
-; Read a byte.
-; Expects interrupts to be disabled.
-;
-; @return CFLAG set if okay, clear otherwise
-; @return R16 byte received
-; @clobbers R16, R20, R21, R22 (R17)
-
-uartBitbang_ReceiveByte:
-  cbi COM_DATA_DDR, COM_DATA_PIN               ; set DATA port as input
-  cbi COM_DATA_OUTPUT, COM_DATA_PIN            ; disable internal pullup for RXD
-  ldi r21, 8                                   ; bits left
-  clr r20                                      ; byte currently receiving
-  ; wait for startbit
-  rcall uartBitbang_WaitForDataLow             ; (R17, R22)
-  brcc uartBitbang_ReceiveByte_error
-  Utils_WaitNanoSecs COM_HALFBIT_LENGTH, 10, r22  ; goto middle of startbit to maximize sync stability
-uartBitbang_ReceiveByte_loop:
-    Utils_WaitNanoSecs COM_BIT_LENGTH, 8, r22  ; 8 cycles used in the complete loop between waits
-    sec                                        ; +1
-    sbic COM_DATA_INPUT, COM_DATA_PIN          ; LOW: +2, HIGH: +1
-      rjmp uartBitbang_ReceiveByte_shiftIn     ; HIGH: +2, rjmp, use set CFLAG
-    clc                                        ; LOW: +1
-uartBitbang_ReceiveByte_shiftIn:
-    ror r20                                    ; +1
-    dec r21                                    ; +1
-  brne uartBitbang_ReceiveByte_loop                                  ; +2, sum per loop: 8 cycles
-  rcall uartBitbang_WaitForDataHigh            ; wait for start of stopbit
-  brcc uartBitbang_ReceiveByte_error
-  mov r16, r20
-  sec
-  ret
-uartBitbang_ReceiveByte_error:
-  clc
-  ret
-; @end
-
-
-
-; ---------------------------------------------------------------------------
-; @routine uartBitbang_WaitForDataLow
-;
-; Wait up to 1ms for data pin to become low
-; @return CFLAG set if okay, clear otherwise
-; @clobbers R17, R22
-
-uartBitbang_WaitForDataLow:
-  cbi COM_DATA_DDR, COM_DATA_PIN          ; set DATA port as input
-  cbi COM_DATA_OUTPUT, COM_DATA_PIN       ; disable internal pullup for TXD
-  UART_BB_M_WAIT_FOR_PIN_LOW COM_DATA_INPUT, COM_DATA_PIN
-  ret
-; @end
-
-
-
-; ---------------------------------------------------------------------------
-; @routine uartBitbang_WaitForDataHigh
-;
-; Wait up to 1ms for data pin to become high
-; @return CFLAG set if okay, clear otherwise
-; @clobbers R17, R22
-
-uartBitbang_WaitForDataHigh:
-  cbi COM_DATA_DDR, COM_DATA_PIN          ; set DATA port as input
-  cbi COM_DATA_OUTPUT, COM_DATA_PIN       ; disable internal pullup for TXD
-  UART_BB_M_WAIT_FOR_PIN_HIGH COM_DATA_INPUT, COM_DATA_PIN
-  ret
-; @end
-
-
-
-; ---------------------------------------------------------------------------
-; @routine uartBitbang_WaitForAttnHigh
-;
-; Wait up to 1ms for data pin to become high
-; @return CFLAG set if okay, clear otherwise
-; @clobbers R17, R22
-
-uartBitbang_WaitForAttnHigh:
-  cbi COM_ATTN_DDR, COM_ATTN_PIN          ; set ATTN port as input
-  cbi COM_ATTN_OUTPUT, COM_ATTN_PIN       ; disable internal pullup for ATTN
-  UART_BB_M_WAIT_FOR_PIN_HIGH COM_ATTN_INPUT, COM_ATTN_PIN
-  ret
-; @end
-
-
-
-
-
-
-; ---------------------------------------------------------------------------
-; @routine uartBitbang_ReceivePacketIntoBuffer
-;
-; Receive a packet into buffer pointed to by X.
-; Expects interrupts to be disabled.
-;
-; @param R16 COM address to listen to
-; @param R17 maximum value for accepted msg data (i.e. buffersize minus 3)
-; @param X   buffer to receive to
-; @return CFLAG set if okay (packet received), cleared on error
-; @return R16 error code if CFLAG is cleared (COM2_ERROR_NOTFORME, COM2_ERROR_IOERROR, COM2_ERROR_DATAERROR)
-; @clobbers: r16, r17, r18, X (r19, r20, r21, r22)
-
-uartBitbang_ReceivePacketIntoBuffer:
-  mov r18, r17
-  push r16
-    ; read destination address
-    rcall uartBitbang_ReceiveByte             ; read byte (R16, R17, R20, R21, R22)
-  pop r17                                     ; pop from R16 to R17
-  brcc uartBitbang_ReceivePacketIntoBuffer_ioError
-#ifndef COM_ACCEPT_ALL_DEST                    ; accept every destination address
-  ; compare destination address (accept "FF" and own address)
-  cp r16, r17
-  breq uartBitbang_ReceivePacketIntoBuffer_acceptAddr
-  cpi r16, 0xff
-  breq uartBitbang_ReceivePacketIntoBuffer_acceptAddr
-  clr r16
-  rjmp uartBitbang_ReceivePacketIntoBuffer_error        ; clc/ret
-#endif
-uartBitbang_ReceivePacketIntoBuffer_acceptAddr:
-  st X+, r16                                  ; store dest address, lock buffer
-  ; read msg length
-  rcall uartBitbang_ReceiveByte               ; read packet length (R16, R17, R20, R21, R22)
-  brcc uartBitbang_ReceivePacketIntoBuffer_ioError
-  st X+, r16
-  cp r16, r18                                 ; (COM2_BUFFER_SIZE-3)
-  brcc uartBitbang_ReceivePacketIntoBuffer_contentError ; packet too long
-  inc r16                                     ; account for checksum byte
-  mov r17, r16
-uartBitbang_ReceivePacketIntoBuffer_loop:
-    push r17
-      rcall uartBitbang_ReceiveByte           ; read byte (R16, R17, R20, R21, R22)
-    pop r17
-    brcc uartBitbang_ReceivePacketIntoBuffer_ioError
-    st X+, r16
-    dec r17
-  brne uartBitbang_ReceivePacketIntoBuffer_loop
-  sec
-  ret
-uartBitbang_ReceivePacketIntoBuffer_ioError:
-  ldi r16, NET_IFACE_OFFS_ERR_IO_LOW
-  rjmp uartBitbang_ReceivePacketIntoBuffer_error
-uartBitbang_ReceivePacketIntoBuffer_contentError:
-  ldi r16, NET_IFACE_OFFS_ERR_CONTENT_LOW
-uartBitbang_ReceivePacketIntoBuffer_error:
-  clc
-  ret
-; @end
-
-
-
-; ---------------------------------------------------------------------------
-; @routine uartBitbang_SendPacket
-;
-; Send packet over wire, handle ATTN line.
-;
-; @param  X ptr to buffer to send
-; @return CFLAGS set if okay, cleared otherwise (index of error variable in R16)
-; @return R16 index of error variable (if CFLAGS cleared)
-; @clobbers R16, R22 (R17, R21, X)
-
-uartBitbang_SendPacket:
-  rcall uartBitbang_AcquireBus
-  brcc uartBitbang_SendPacket_lineBusyError
-  
-  rcall uartBitbang_WaitForOneBitLength          ; wait for one bit duration (R22)
-  rcall uartBitbang_WaitForOneBitLength          ; wait for one bit duration (R22)
-  rcall uartBitbang_WaitForOneBitLength          ; wait for one bit duration (R22)
-
-  adiw xh:xl, NETMSG_OFFS_MSGLEN
-  ld r17, X
-  sbiw xh:xl, NETMSG_OFFS_MSGLEN
-  inc r17                                        ; account for dest addr
-  inc r17                                        ; account for msglen byte
-  inc r17                                        ; account for crc byte
-
-uartBitbang_SendPacket_loop:
-    ld r16, X+
-    rcall uartBitbang_SendByte                   ; send byte (R16, R21, R22)
-    brcc uartBitbang_SendPacket_releaseBusRet
-    dec r17
-  brne uartBitbang_SendPacket_loop
-  sec
-uartBitbang_SendPacket_releaseBusRet:
-  cbi COM_ATTN_DDR, COM_ATTN_PIN                 ; release ATTN line (by setting direction to IN)
-  brcc uartBitbang_SendPacket_ioError
-  ; packet successfully sent
-  ret
-uartBitbang_SendPacket_ioError:
-  ldi r16, NET_IFACE_OFFS_ERR_COLLISIONS_LOW
-  ret
-uartBitbang_SendPacket_lineBusyError:
-  ldi r16, NET_IFACE_OFFS_ERR_BUSY_LOW
-  ret
-; @end
-
-
-
-; ---------------------------------------------------------------------------
-; @routine uartBitbang_AcquireBus
-;
-; Reserve bus if free (otherwise return error)
-; Expects interrupts to be disabled.
-;
-; @return CFLAG set if okay (bus acquired), cleared on error
-; @clobbers: none
-
-uartBitbang_AcquireBus:
-  ; check for ATTN line: busy?
-  cbi COM_ATTN_DDR, COM_ATTN_PIN                 ; set ATTN as input
-  cbi COM_ATTN_OUTPUT, COM_ATTN_PIN              ; disable pullup on ATTN
-  nop                                            ; needed to sample current input
-  sbis COM_ATTN_INPUT, COM_ATTN_PIN              ; ATTN low?
-    rjmp uartBitbang_AcquireBus_busy             ; jump if it is
-  sbi COM_ATTN_DDR, COM_ATTN_PIN                 ; set ATTN as output
-  cbi COM_ATTN_OUTPUT, COM_ATTN_PIN              ; set ATTN low
-  sec
-  ret
-uartBitbang_AcquireBus_busy:
-  clc
-  ret
-; @end
-
-
-
-; ---------------------------------------------------------------------------
-; @routine uartBitbang_WaitForOneBitLength
-;
-; wait for one bit length (minus cycles for call and ret).
-;
-; @clobbers r22
-
-uartBitbang_WaitForOneBitLength:
-  Utils_WaitNanoSecs COM_BIT_LENGTH, 7, r22       ; wait for one bit duration (minus RCALL/RET)
-  ret
-; @end
-
-
-
-

avr/modules/uart_bitbang2/msglevel.asm

@@ -0,0 +1,240 @@
+; ***************************************************************************
+; copyright   : (C) 2025 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+
+
+; ***************************************************************************
+; code
+
+
+
+; ---------------------------------------------------------------------------
+; @routine uartBitbang_ReceiveAndCheckMsg
+;
+; Receive a packet into buffer pointed to by X.
+; Expects interrupts to be disabled.
+;
+; @param R18 COM address to listen to
+; @param R19 max buffer size
+; @param X   buffer to receive to
+; @return CFLAG set if msg received, cleared on error
+; @clobbers R16, R19 (R17, R20, R21, R22, R24, R25)
+
+uartBitbang_ReceiveAndCheckMsg:
+  push xl
+    push xh
+      rcall uartBitbang_RawReceiveMsg        ; (R16, R17, R19, R20, R21, R22, R24, R25, X)
+    pop xh
+  pop xl
+  brcs uartBitbang_ReceiveAndCheckMsg_recvd
+  ; fall-through, return with CF cleared (from uartBitbang_RawReceiveMsg)
+  ret
+uartBitbang_ReceiveAndCheckMsg_recvd:
+  push xl
+    push xh
+      rcall NETMSG_CheckMessageInBuffer      ; (R16, R17, R18, R19, R20, X)
+    pop xh
+  pop xl
+  brcs uartBitbang_ReceiveAndCheckMsg_msgOk
+  ldi r16, NET_IFACE_OFFS_ERR_CONTENT_LOW
+  rcall NET_Interface_IncCounter16          ; (R24, R25)
+  clc
+  ret
+uartBitbang_ReceiveAndCheckMsg_msgOk:
+  ldi r16, NET_IFACE_OFFS_PACKETSIN_LOW
+  rcall NET_Interface_IncCounter16          ; (R24, R25)
+  sec
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine uartBitbang_RawReceiveMsg
+;
+; Receive a packet into buffer pointed to by X.
+; Expects interrupts to be disabled.
+;
+; @param R18 COM address to listen to
+; @param R19 max buffer size
+; @param X   buffer to receive to
+; @return CFLAG set if msg received, cleared on error (see R16)
+; @return R16   if CFLAG cleared: 0=message not for this node, otherwise error
+; @clobbers R16, R19 (R17, R20, R21, R22, R24, R25, X)
+
+uartBitbang_RawReceiveMsg:
+  cpi r19, 3
+  brcs uartBitbang_RawReceiveMsg_eBadSize
+  ; read destination address
+  rcall uartBitbang_ReceiveByte             ; read byte (R16, R17, R20, R21, R22)
+  brcc uartBitbang_RawReceiveMsg_eIo
+  cp r16, r18
+  breq uartBitbang_RawReceiveMsg_forMe
+  cpi r16, 0xff
+  breq uartBitbang_RawReceiveMsg_forMe
+  clr r16                                   ; not for me
+  rjmp uartBitbang_RawReceiveMsg_clcRet
+uartBitbang_RawReceiveMsg_forMe:
+  subi r19, 1
+  brcs uartBitbang_RawReceiveMsg_eBadSize
+  st X+, r16
+  ; read size of msg payload (e.g. number of msg bytes following minus CRC byte)
+  rcall uartBitbang_ReceiveByte             ; read byte (R16, R17, R20, R21, R22)
+  brcc uartBitbang_RawReceiveMsg_eIo
+  subi r19, 1
+  brcs uartBitbang_RawReceiveMsg_eBadSize
+  st X+, r16                                ; store msg payload size
+  inc r16                                   ; account for crc byte
+  sub r19, r16                              ; check msg size against remaining buffer size
+  brcs uartBitbang_RawReceiveMsg_eBadSize
+  mov r19, r16
+uartBitbang_RawReceiveMsg_loop:
+    rcall uartBitbang_ReceiveByte           ; read byte (R16, R17, R20, R21, R22)
+    brcc uartBitbang_RawReceiveMsg_eIo
+    st X+, r16                              ; store msg
+    dec r19
+  brne uartBitbang_RawReceiveMsg_loop
+  sec
+  rjmp uartBitbang_RawReceiveMsg_end
+uartBitbang_RawReceiveMsg_eBadSize:
+  ldi r16, NET_IFACE_OFFS_ERR_MSGSIZE_LOW
+  rjmp uartBitbang_RawReceiveMsg_incCounterRet
+uartBitbang_RawReceiveMsg_eIo:
+  ldi r16, NET_IFACE_OFFS_ERR_IO_LOW
+uartBitbang_RawReceiveMsg_incCounterRet:
+  rcall NET_Interface_IncCounter16          ; (R24, R25)
+uartBitbang_RawReceiveMsg_clcRet:
+  clc
+uartBitbang_RawReceiveMsg_end:
+  ret
+; @end
+
+
+
+
+
+
+; ---------------------------------------------------------------------------
+; @routine uartBitbang_SendMsg
+;
+; Send packet over wire, handle ATTN line.
+;
+; @param  X ptr to buffer to send
+; @return CFLAGS set if okay, cleared otherwise (index of error variable in R16)
+; @return R16 index of error variable (if CFLAGS cleared)
+; @clobbers R16 (R17, R21, R22, R24, R25, X)
+
+uartBitbang_SendMsg:
+  rcall uartBitbang_AcquireBus
+  brcc uartBitbang_SendMsg_lineBusyError
+
+  rcall uartBitbang_WaitForOneBitLength          ; wait for one bit duration (R22)
+  rcall uartBitbang_WaitForOneBitLength          ; wait for one bit duration (R22)
+
+  rcall uartBitbang_RawSendMsg                   ; (R16, R17, R21, R22, R24, R25, X)
+  cbi COM_ATTN_DDR, COM_ATTN_PIN                 ; release ATTN line (by setting direction to IN)
+  ret
+uartBitbang_SendMsg_lineBusyError:
+  ldi r16, NET_IFACE_OFFS_ERR_BUSY_LOW
+  rcall NET_Interface_IncCounter16               ; (R24, R25)
+  clc
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine uartBitbang_RawSendMsg
+;
+; Send packet over wire.
+;
+; @param  X ptr to buffer to send
+; @return CFLAGS set if okay, cleared otherwise (index of error variable in R16)
+; @return R16 index of error variable (if CFLAGS cleared)
+; @clobbers R16, R17 (R21, R22, R24, R25, X)
+
+uartBitbang_RawSendMsg:
+  adiw xh:xl, NETMSG_OFFS_MSGLEN
+  ld r17, X
+  sbiw xh:xl, NETMSG_OFFS_MSGLEN
+  inc r17                                        ; account for dest addr
+  inc r17                                        ; account for msglen byte
+  inc r17                                        ; account for crc byte
+
+uartBitbang_RawSendMsg_loop:
+    rcall uartBitbang_WaitForOneBitLength        ; wait for one bit duration (R22)
+
+    ld r16, X+
+    rcall uartBitbang_SendByte                   ; send byte (R16, R21, R22)
+    brcc uartBitbang_RawSendMsg_ioError
+    dec r17
+  brne uartBitbang_RawSendMsg_loop
+  ldi r16, NET_IFACE_OFFS_PACKETSOUT_LOW
+  rcall NET_Interface_IncCounter16               ; (R24, R25)
+  sec
+  ret
+uartBitbang_RawSendMsg_ioError:
+  ldi r16, NET_IFACE_OFFS_ERR_COLLISIONS_LOW
+  rcall NET_Interface_IncCounter16               ; (R24, R25)
+  clc
+  ret
+; @end
+
+
+
+
+
+; ---------------------------------------------------------------------------
+; @routine uartBitbang_WaitForAttnHigh
+;
+; Wait up to 1ms for data pin to become high
+; @return CFLAG set if okay, clear otherwise
+; @clobbers R17, R22
+
+uartBitbang_WaitForAttnHigh:
+  cbi COM_ATTN_DDR, COM_ATTN_PIN          ; set ATTN port as input
+  cbi COM_ATTN_OUTPUT, COM_ATTN_PIN       ; disable internal pullup for ATTN
+  UART_BB_M_WAIT_FOR_PIN_HIGH COM_ATTN_INPUT, COM_ATTN_PIN
+  ret
+; @end
+
+
+
+
+; ---------------------------------------------------------------------------
+; @routine uartBitbang_AcquireBus
+;
+; Reserve bus if free (otherwise return error)
+; Expects interrupts to be disabled.
+;
+; @return CFLAG set if okay (bus acquired), cleared on error
+; @clobbers: none
+
+uartBitbang_AcquireBus:
+  ; check for ATTN line: busy?
+  cbi COM_ATTN_DDR, COM_ATTN_PIN                 ; set ATTN as input
+  cbi COM_ATTN_OUTPUT, COM_ATTN_PIN              ; disable pullup on ATTN
+  nop                                            ; needed to sample current input
+  sbis COM_ATTN_INPUT, COM_ATTN_PIN              ; ATTN low?
+    rjmp uartBitbang_AcquireBus_busy             ; jump if it is
+  sbi COM_ATTN_DDR, COM_ATTN_PIN                 ; set ATTN as output
+  cbi COM_ATTN_OUTPUT, COM_ATTN_PIN              ; set ATTN low
+  sec
+  ret
+uartBitbang_AcquireBus_busy:
+  clc
+  ret
+; @end
+
+
+
+
+
+
+

avr/modules/uart_hw/m_lowlevel_uart.asm

@@ -305,7 +305,8 @@ l_overrun_%:
   ldi r16, NET_IFACE_OFFS_ERR_MISSED_LOW
 l_incCounterAndEnterSkipping_%:
   ldi r17, UART_HW_READMODE_SKIPPING
-  ldi r16, NET_IFACE_OFFS_HANDLED_LOW
+  std Y+UART_HW_IFACE_OFFS_READMODE, r17        ; set read mode
+  rjmp l_end_%
 l_incCounterAndEnterMode_%:
   rcall NET_Interface_IncCounter16              ; (R24, R25)
   std Y+UART_HW_IFACE_OFFS_READMODE, r17        ; set read mode

avr/version.asm

@@ -0,0 +1,15 @@
+; ***************************************************************************
+; copyright   : (C) 2025 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+
+
+.equ FIRMWARE_VERSION_MAJOR       = 1
+.equ FIRMWARE_VERSION_MINOR       = 0
+.equ FIRMWARE_VERSION_PATCHLEVEL  = 2
+

devices/nodes/aqua_n21.xml

@@ -10,6 +10,18 @@
     <value name="MOTION"       id="0x07" type="sensor" dataType="rational" modality="motion"                denom="1" />
     <value name="DOOR"         id="0x08" type="sensor" dataType="rational" modality="door"                  denom="1" />
 
+    <value name="stats_packets_in"       id="0xe0" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_packets_out"      id="0xe1" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_content_errors"   id="0xe2" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_io_errors"        id="0xe3" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_nobuf_errors"     id="0xe4" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_collision_errors" id="0xe5" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_busy_errors"      id="0xe6" type="sensor" dataType="uint16" denom="1" />
+
+    <value name="stats_heap_used"        id="0xe7" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_heap_free"        id="0xe8" type="sensor" dataType="uint16" denom="1" />
+    <value name="stats_noram_errors"     id="0xe9" type="sensor" dataType="uint16" denom="1" />
+
     <value name="LEDTIMING"    id="0x88" type="actor"  dataType="uint16" />
   </values>
 

flashnode.sh

@@ -16,12 +16,33 @@ case $NODE in
        LFUSE_ARG="-U lfuse:w:0xE4:m"
        FILE_ARG="-U flash:w:./0-build/avr/devices/c01/boot/c01_boot.hex"
        ;;
+  c02)
+       DEVICE_ARG="-p m644p"
+       HFUSE_ARG="-U hfuse:w:0xD5:m"
+       LFUSE_ARG="-U lfuse:w:0xE2:m"
+       EFUSE_ARG="-U efuse:w:0xFF:m"
+       FILE_ARG="-U flash:w:./0-build/avr/devices/c02/boot/c02_boot.hex"
+       ;;
+  n16)
+       DEVICE_ARG="-p t84"
+       HFUSE_ARG="-U hfuse:w:0xD7:m"
+       LFUSE_ARG=""
+       EFUSE_ARG="-U efuse:w:0xFE:m"
+       FILE_ARG="-U flash:w:./0-build/avr/devices/n16/boot/n16_boot.hex"
+       ;;
+  n20)
+       DEVICE_ARG="-p t84"
+       HFUSE_ARG="-U hfuse:w:0xD7:m"
+       LFUSE_ARG=""
+       EFUSE_ARG="-U efuse:w:0xFE:m"
+       FILE_ARG="-U flash:w:./0-build/avr/devices/n20/n20_boot.hex"
+       ;;
   n21)
        DEVICE_ARG="-p t84"
        HFUSE_ARG="-U hfuse:w:0xD7:m"
        LFUSE_ARG=""
        EFUSE_ARG="-U efuse:w:0xFE:m"
-       FILE="-U flash:w:./0-build/avr/devices/n21/boot/n21_boot.hex"
+       FILE_ARG="-U flash:w:./0-build/avr/devices/n21/boot/n21_boot.hex"
        ;;
   n22)
        DEVICE_ARG="-p t85"
@@ -42,7 +63,14 @@ case $NODE in
        HFUSE_ARG="-U hfuse:w:0xD7:m"
        LFUSE_ARG=""
        EFUSE_ARG="-U efuse:w:0xFE:m"
-       FILE_ARG="-U flash:w:./0-build/avr/devices/n23/boot/n23_boot.hex"
+       FILE_ARG="-U flash:w:./0-build/avr/devices/n24/boot/n24_boot.hex"
+       ;;
+  n25)
+       DEVICE_ARG="-p t84"
+       HFUSE_ARG="-U hfuse:w:0xD7:m"
+       LFUSE_ARG=""
+       EFUSE_ARG="-U efuse:w:0xFE:m"
+       FILE_ARG="-U flash:w:./0-build/avr/devices/n25/boot/n25_boot.hex"
        ;;
   t03)
        DEVICE_ARG="-p t841"