0c87d3fc4d
Most MCU-dependent variable definitions ist now put into node-specific files. Makes it easier to maintain code for different node types.
228 lines
4.4 KiB
NASM
228 lines
4.4 KiB
NASM
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.cseg
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main:
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; setup stack
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.ifdef SPH ; if SPH is defined
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ldi r16, High(RAMEND)
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out SPH, r16 ; init MSB stack pointer
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.endif
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ldi r16, Low(RAMEND)
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out SPL, r16 ; init LSB stack pointer
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rcall initModules
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sei ; Enable interrupts
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ldi xl, LOW(blinkPattern) ; debug: set blink pattern
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ldi xh, HIGH(blinkPattern)
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ldi zl, LOW(ledA3Flash)
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ldi zh, HIGH(ledA3Flash)
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ldi yl, LOW(ledA3Sram)
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ldi yh, HIGH(ledA3Sram)
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rcall Led_SetPattern
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; ldi r16, 1
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; sts twiMasterScanEnabled, r16
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main_loop:
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rcall runModulesUntilIdle
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; sbi DDRA, PORTA2 ; debug
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; sbi PINA, PORTA2 ; debug (toggle)
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; cbi PORTA, PORTA2 ; debug (on)
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; sbi PORTA, PORTA2 ; debug (off)
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; only modify SE, SM1 and SM0
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in r16, MCUCR
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ldi r17, (1<<SE) | (1<<SM1) | (1<<SM0)
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neg r17
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and r16, r17
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ori r16, (1<<SE) ; sleep mode "idle", enable
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out MCUCR, r16
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sleep ; sleep, wait for interrupt
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rjmp main_loop
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; ---------------------------------------------------------------------------
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; initModules
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;
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; Call init functions of the used modules. Add your routine calls here.
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;
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; IN:
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; - nothing
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; OUT:
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; - nothing
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; USED: depending on called routines
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initModules:
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#ifdef MODULES_TIMER
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rcall Timer_Init
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#endif
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#ifdef MODULES_LED
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ldi zl, LOW(ledA3Flash)
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ldi zh, HIGH(ledA3Flash)
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ldi yl, LOW(ledA3Sram)
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ldi yh, HIGH(ledA3Sram)
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rcall Led_Init
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#endif
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#ifdef MODULES_COM
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rcall Com_Init
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#endif
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#ifdef MODULES_TWI_MASTER
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rcall TWI_Master_Init
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#endif
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#ifdef MODULES_LCD
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rcall LCD_Init
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#endif
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#ifdef MODULES_BMP280
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rcall BMP280_Init
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#endif
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#ifdef MODULES_SI7021
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rcall SI7021_Init
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#endif
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; done
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ret
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; ---------------------------------------------------------------------------
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; runModulesUntilIdle
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;
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; Call run functions of the used modules. Add your routine calls here.
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;
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; IN:
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; - nothing
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; OUT:
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; - nothing
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; USED: depending on called routines
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runModulesUntilIdle:
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#ifdef MODULES_TIMER
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; TIMER module
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rcall Timer_Run
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#endif
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#ifdef MODULES_COM
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; COM module (call until carry flag cleared but at most 10 times to not starve other modules)
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ldi r16, 10
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runModulesUntilIdle_Com:
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push r16
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rcall Com_Run
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pop r16
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brcc runModulesUntilIdle_ComEnd
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dec r16
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brne runModulesUntilIdle_Com
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runModulesUntilIdle_ComEnd:
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#endif
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; add more modules here
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ret
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printSendStats:
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push r15
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in r15, SREG ; debug
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cli
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#ifdef MODULES_SI7021
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ldi r18, 0
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ldi r19, 1
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rcall LCD_SetCursor
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ldi zl, LOW(textSi7021Firmware)
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ldi zh, HIGH(textSi7021Firmware)
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rcall LCD_PrintFromFlash
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lds r16, si7021Flags
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rcall LCD_PrintHexByte
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ldi r16, 32
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rcall LCD_PrintChar
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lds r18, si7021LastTemp
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lds r19, si7021LastTemp+1
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rcall LCD_PrintHexWord
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ldi r16, 32
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rcall LCD_PrintChar
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lds r18, si7021LastHumidity
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lds r19, si7021LastHumidity+1
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rcall LCD_PrintHexWord
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#endif
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ldi r18, 0
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ldi r19, 2
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rcall LCD_SetCursor
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ldi zl, LOW(textStatsPacketsIn)
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ldi zh, HIGH(textStatsPacketsIn)
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rcall LCD_PrintFromFlash
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lds r18, comStatsPacketsIn
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lds r19, comStatsPacketsIn+1
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rcall LCD_PrintHexWord
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ldi r18, 0
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ldi r19, 3
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rcall LCD_SetCursor
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ldi zl, LOW(textStatsPacketsRecvErr)
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ldi zh, HIGH(textStatsPacketsRecvErr)
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rcall LCD_PrintFromFlash
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lds r18, comStatsRecvErrs
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lds r19, comStatsRecvErrs+1
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rcall LCD_PrintHexWord
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ldi r18, 0
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ldi r19, 5
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rcall LCD_SetCursor
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ldi zl, LOW(textStatsPacketsOut)
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ldi zh, HIGH(textStatsPacketsOut)
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rcall LCD_PrintFromFlash
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lds r18, comStatsPacketsOut
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lds r19, comStatsPacketsOut+1
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rcall LCD_PrintHexWord
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ldi r18, 0
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ldi r19, 6
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rcall LCD_SetCursor
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ldi zl, LOW(textStatsCollisions)
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ldi zh, HIGH(textStatsCollisions)
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rcall LCD_PrintFromFlash
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lds r18, comStatsCollisions
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lds r19, comStatsCollisions+1
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rcall LCD_PrintHexWord
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ldi r18, 0
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ldi r19, 7
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rcall LCD_SetCursor
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ldi zl, LOW(textStatsAborted)
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ldi zh, HIGH(textStatsAborted)
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rcall LCD_PrintFromFlash
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lds r18, comStatsAborted
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lds r19, comStatsAborted+1
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rcall LCD_PrintHexWord
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pop r15
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out SREG, r15
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ret
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textSi7021Firmware: .db "SI: ", 0, 0
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textStatsPacketsIn: .db "In : ", 0
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textStatsPacketsRecvErr: .db "RecvErr: ", 0
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textStatsPacketsOut: .db "Out : ", 0
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textStatsCollisions: .db "Coll : ", 0
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textStatsAborted: .db "Aborted: ", 0
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