; *************************************************************************** ; defines .equ CPRO_CMD_PING = 10 .equ CPRO_CMD_PONG = 11 .equ CPRO_CMD_COMSENDSTATS = 20 .equ CPRO_CMD_COMRECVSTATS = 21 .equ CPRO_CMD_I2CBUSMEMBER = 30 .equ CPRO_CMD_DEBUG = 40 .equ CPRO_CMD_VALUE = 50 .equ CPRO_CMD_NEED_ADDRESS = 60 .equ CPRO_CMD_HAVE_ADDRESS = 61 ; *************************************************************************** ; data .dseg ; *************************************************************************** ; code .cseg ; --------------------------------------------------------------------------- ; Enqueue a PING packet. ; ; IN: ; - R16: destination address ; OUT: ; - CFLAG: set if okay, clear otherwise ; MODIFIED REGS: R18, R20 (R15, R16, R17, X, Y) CPRO_EnqueuePing: ldi r18, CPRO_CMD_PING ldi r20, COM_BUFFER_PRIO_INFO rjmp cproEnqueueMsgWithCmdAndSrcAddr ; --------------------------------------------------------------------------- ; Enqueue a PONG packet. ; ; IN: ; - R16: destination address ; OUT: ; - CFLAG: set if okay, clear otherwise ; MODIFIED REGS: R18, R20 (R15, R16, R17, X, Y) CPRO_EnqueuePong: ldi r18, CPRO_CMD_PONG ldi r20, COM_BUFFER_PRIO_INFO rjmp cproEnqueueMsgWithCmdAndSrcAddr ; --------------------------------------------------------------------------- ; Enqueue a COM Send stats packet. ; ; IN: ; - R16: destination address ; OUT: ; - CFLAG: set if okay, clear otherwise ; MODIFIED REGS: R16, R17, R20, X (R15, Y) CPRO_EnqueueComSendStats: push r15 in r15, SREG cli push r16 rcall COM_AllocBufferAndGetXY ; (r16, r17, r21) pop r16 brcc CPRO_EnqueueComSendStats_error clr r17 ; r17: XOR byte ; write header (dest address, msg length) st X+, r16 ; destination address eor r17, r16 ldi r16, 12 ; 8 bytes payload st X+, r16 eor r17, r16 ; write payload ldi r16, CPRO_CMD_COMSENDSTATS ; 0: cmd st X+, r16 eor r17, r16 lds r16, comAddress ; 1: src addr st X+, r16 eor r17, r16 lds r16, timerModuleCounterSecs ; 2-5: current seconds counter st X+, r16 eor r17, r16 lds r16, timerModuleCounterSecs+1 st X+, r16 eor r17, r16 lds r16, timerModuleCounterSecs+2 st X+, r16 eor r17, r16 lds r16, timerModuleCounterSecs+3 st X+, r16 eor r17, r16 lds r16, comStatsPacketsOut ; 6: packets out st X+, r16 eor r17, r16 lds r16, comStatsPacketsOut+1 st X+, r16 eor r17, r16 lds r16, comStatsCollisions ; 8: collisions st X+, r16 eor r17, r16 lds r16, comStatsCollisions+1 st X+, r16 eor r17, r16 lds r16, comStatsAborted ; 10: aborted st X+, r16 eor r17, r16 lds r16, comStatsAborted+1 st X+, r16 eor r17, r16 ; store XOR byte st X+, r17 ; mark buffer as enqueued with PRIO "info" (limited amount of retries) ldi r20, COM_BUFFER_PRIO_INFO rcall COM_EnqueuePacket ; (R15, R16) brcc CPRO_EnqueueComSendStats_error pop r15 out SREG, r15 sec ret CPRO_EnqueueComSendStats_error: pop r15 out SREG, r15 clc ret ; --------------------------------------------------------------------------- ; Enqueue a I2C Bus Member packet. ; ; IN: ; - R16: destination address ; - R1 : Address of the bus member ; - R2 : availability (0=not available, 1=available) ; OUT: ; - CFLAG: set if okay, clear otherwise ; MODIFIED REGS: R16, R17, R20, X (R15, Y) CPRO_EnqueueI2cBusMember: push r16 rcall COM_AllocBufferAndGetXY ; (r16, r17, r21) pop r16 brcc CPRO_EnqueueI2cBusMember_error clr r17 ; r17: XOR byte ; write header (dest address, msg length) st X+, r16 ; destination address eor r17, r16 ldi r16, 4 ; 4 bytes payload st X+, r16 eor r17, r16 ; write payload ldi r16, CPRO_CMD_I2CBUSMEMBER ; send command st X+, r16 eor r17, r16 lds r16, comAddress ; send source address st X+, r16 eor r17, r16 mov r16, r1 ; send i2c bus member address st X+, r16 eor r17, r16 mov r16, r2 ; send i2c bus member availability st X+, r16 eor r17, r16 ; store XOR byte st X+, r17 ; mark buffer as enqueued with PRIO "info" (limited amount of retries) ldi r20, COM_BUFFER_PRIO_INFO rcall COM_EnqueuePacket ; (R15, R16) brcc CPRO_EnqueueI2cBusMember_error sec ret CPRO_EnqueueI2cBusMember_error: clc ret ; --------------------------------------------------------------------------- ; Enqueue a DEBUG packet. ; ; IN: ; - R16: destination address ; - R1: debug value 1 ; - R2: debug value 2 ; OUT: ; - CFLAG: set if okay, clear otherwise ; MODIFIED REGS: R16, R17, R20, X (R15, Y) CPRO_EnqueueDebug: push r16 rcall COM_AllocBufferAndGetXY ; (r16, r17, r21) pop r16 brcc CPRO_EnqueueDebug_error clr r17 ; r17: XOR byte ; write header (dest address, msg length) st X+, r16 ; destination address eor r17, r16 ldi r16, 4 ; 2 bytes payload st X+, r16 eor r17, r16 ; write payload ldi r16, CPRO_CMD_DEBUG st X+, r16 eor r17, r16 lds r16, comAddress st X+, r16 eor r17, r16 mov r16, r1 ; debug 1 st X+, r16 eor r17, r16 mov r16, r2 ; debug 2 st X+, r16 eor r17, r16 ; store XOR byte st X+, r17 ; mark buffer as enqueued with PRIO "info" (limited amount of retries) ldi r20, COM_BUFFER_PRIO_INFO rcall COM_EnqueuePacket ; (R15, R16) brcc CPRO_EnqueueDebug_error sec ret CPRO_EnqueueDebug_error: clc ret ; --------------------------------------------------------------------------- ; Enqueue a VALUE packet. ; ; IN: ; - R16: destination address ; - R17: value id ; - R19:R18: value ; - R21:R20: denom (e.g. 100, meaning value must be divided by 100) ; - R22: value type ; OUT: ; - CFLAG: set if okay, clear otherwise ; MODIFIED REGS: CPRO_EnqueueValue: push r16 push r17 push r21 rcall COM_AllocBufferAndGetXY ; (r16, r17, r21) pop r21 pop r17 pop r16 brcc CPRO_EnqueueValue_error clr r1 ; r1: XOR byte ; write header (dest address, msg length) st X+, r16 ; destination address eor r1, r16 ldi r16, 12 ; 12 bytes payload st X+, r16 ; msglen eor r1, r16 ; write payload ldi r16, CPRO_CMD_VALUE ; 0: msg type st X+, r16 eor r1, r16 lds r16, comAddress ; 1: source address st X+, r16 eor r1, r16 lds r16, timerModuleCounterSecs ; 2-5: current seconds counter st X+, r16 eor r1, r16 lds r16, timerModuleCounterSecs+1 st X+, r16 eor r1, r16 lds r16, timerModuleCounterSecs+2 st X+, r16 eor r1, r16 lds r16, timerModuleCounterSecs+3 st X+, r16 eor r1, r16 st X+, r17 ; 6: value id eor r1, r17 st X+, r22 ; 7: value type eor r1, r22 st X+, r18 ; 8: low value eor r1, r18 st X+, r19 ; 9: high value eor r1, r19 st X+, r20 ; 10: low denom eor r1, r20 st X+, r21 ; 11: high denom eor r1, r21 ; store XOR byte mov r16, r1 st X+, r16 ; mark buffer as enqueued with PRIO "normal" (slightly limited number of retries) ldi r20, COM_BUFFER_PRIO_NORMAL rcall COM_EnqueuePacket ; (R15, R16) brcc CPRO_EnqueueValue_error sec ret CPRO_EnqueueValue_error: clc ret ; --------------------------------------------------------------------------- ; Enqueue a NEEDADDRESS packet. ; ; IN: ; - R16: destination address ; OUT: ; - CFLAG: set if okay, clear otherwise ; MODIFIED REGS: R16, R18, R19, R20, R21, X, Y (R15, R17) CPRO_EnqueueNeedAddress: push r16 rcall COM_AllocBufferAndGetXY ; (r16, r17, r21) pop r16 brcc CPRO_EnqueueNeedAddress_error clr r1 ; r1: XOR byte ; write header (dest address, msg length) st X+, r16 ; destination address eor r1, r16 ldi r16, 6 ; 6 bytes payload st X+, r16 ; msglen eor r1, r16 ; write payload ldi r16, CPRO_CMD_NEED_ADDRESS ; 0: msg type st X+, r16 eor r1, r16 clr r16 ; dummy src address st X+, r16 eor r1, r16 push xh ; 2-5: UID push xl rcall Utils_ReadUid ; (R16, X) pop xl pop xh st X+, r18 eor r1, r18 st X+, r19 eor r1, r19 st X+, r20 eor r1, r20 st X+, r21 eor r1, r21 ; store XOR byte mov r16, r1 st X+, r16 ; mark buffer as enqueued with PRIO "important" (higher retry count) ldi r20, COM_BUFFER_PRIO_IMPORTANT rcall COM_EnqueuePacket ; (R15, R16) brcc CPRO_EnqueueNeedAddress_error sec ret CPRO_EnqueueNeedAddress_error: clc ret ; --------------------------------------------------------------------------- ; Enqueue a simple packet with payload only CMD and source address. ; ; IN: ; - R16: destination address ; - R18: command (e.g. CPRO_CMD_PING or CPRO_CMD_PONG) ; - R20: priority of the message ; OUT: ; - CFLAG: set if okay, clear otherwise ; MODIFIED REGS: R16, R17, R20, X (R15, Y) cproEnqueueMsgWithCmdAndSrcAddr: push r16 rcall COM_AllocBufferAndGetXY ; (r16, r17, r21) pop r16 brcc cproEnqueueMsgWithCmdAndSrcAddr_error clr r17 ; r17: XOR byte ; write header (dest address, msg length) st X+, r16 ; destination address eor r17, r16 ldi r16, 6 ; 6 bytes payload st X+, r16 eor r17, r16 ; write payload mov r16, r18 ; 0: CMD st X+, r16 eor r17, r16 lds r16, comAddress ; 1: source address st X+, r16 eor r17, r16 lds r16, timerModuleCounterSecs ; 2-5: current seconds counter st X+, r16 eor r17, r16 lds r16, timerModuleCounterSecs+1 st X+, r16 eor r17, r16 lds r16, timerModuleCounterSecs+2 st X+, r16 eor r17, r16 lds r16, timerModuleCounterSecs+3 st X+, r16 eor r17, r16 ; store XOR byte st X+, r17 ; mark buffer as enqueued with PRIO "info" (limited amount of retries) rcall COM_EnqueuePacket ; (R15, R16) brcc cproEnqueueMsgWithCmdAndSrcAddr_error sec ret cproEnqueueMsgWithCmdAndSrcAddr_error: clc ret