e05: use 23LC512 (RAM) and 25LC256 (EEPROM) via spi_sw.

avr/devices/e05/defs.asm

@@ -72,3 +72,45 @@
 
 
 
+; ---------------------------------------------------------------------------
+; software SPI module
+
+
+.equ SPISW_MOSI_DDR    = DDRA
+.equ SPISW_MOSI_INPUT  = PINA
+.equ SPISW_MOSI_OUTPUT = PORTA
+.equ SPISW_MOSI_PIN    = PORTA6
+
+.equ SPISW_MISO_DDR    = DDRA
+.equ SPISW_MISO_INPUT  = PINA
+.equ SPISW_MISO_OUTPUT = PORTA
+.equ SPISW_MISO_PIN    = PORTA5
+
+.equ SPISW_SCK_DDR     = DDRA
+.equ SPISW_SCK_INPUT   = PINA
+.equ SPISW_SCK_OUTPUT  = PORTA
+.equ SPISW_SCK_PIN     = PORTA4
+
+
+
+; ---------------------------------------------------------------------------
+; SPI RAM
+
+.equ RAMCS_DDR         = DDRB
+.equ RAMCS_INPUT       = PINB
+.equ RAMCS_OUTPUT      = PORTB
+.equ RAMCS_PIN         = PORTB0
+
+
+
+; ---------------------------------------------------------------------------
+; SPI EEPROM
+
+
+.equ EEPROMCS_DDR      = DDRB
+.equ EEPROMCS_INPUT    = PINB
+.equ EEPROMCS_OUTPUT   = PORTB
+.equ EEPROMCS_PIN      = PORTB1
+
+
+

avr/devices/e05/main/main.asm

@@ -62,6 +62,9 @@
 #define MODULES_LED1
 #define MODULES_NETWORK
 #define MODULES_COM2W
+#define MODULES_SPI_SW
+#define MODULES_RAM_23LC512
+#define MODULES_EE_25LC256
 ;#define MODULES_TWI_MASTER
 ;#define MODULES_LCD
 ;#define LCD_MINIMAL_FONT
@@ -132,6 +135,14 @@ firmwareStart:
 ; @routine onSystemStart
 
 onSystemStart:
+  ; external SRAM check
+  bigcall RAM_23LC512_WritePattern
+  nop
+  bigcall RAM_23LC512_ReadPattern
+  brcs onSystemStart_done
+  bigcall DEBUG1
+
+onSystemStart_done:
   ret
 ; @end
 
@@ -183,7 +194,7 @@ onEveryLoop:
 .include "devices/all/hw_tn84.asm"
 .include "devices/all/includes.asm"
 
-;.include "common/debug.asm"
+.include "common/debug.asm"
 ;.include "modules/network/msg/debug-w.asm"
 
 
@@ -201,3 +212,4 @@ deviceCodeEnd:
     .warning "Code reaches into boot loader!"
   .endif
 
+