Files
aqhomecontrol/avr/comproto_device.asm
2023-04-08 13:05:05 +02:00

68 lines
2.1 KiB
NASM

; ***************************************************************************
; copyright : (C) 2023 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
.cseg
; ---------------------------------------------------------------------------
; Enqueue a DEVICE packet.
;
; IN:
; - R16: destination address
; OUT:
; - CFLAG: set if okay, clear otherwise
; MODIFIED REGS: R6, R16, R17, R18, R20 (R3, R4, R15, R19, R21, X)
CPRO_EnqueueDevice:
mov r6, r16
rcall COM_AllocBufferAndGetXY ; (r16, r17, r21)
brcc CPRO_EnqueueDevice_error
push xh
push xl
mov r16, r6
ldi r17, CPRO_PAYLOAD_FLAGS_UID | (6<<CPRO_PAYLOAD_FLAGS_SHIFT_NUM)
ldi r18, CPRO_CMD_DEVICE
rcall cproBeginMsgWithVariablePayload ; (R3, R4, R16, R17, R18, R19, R20, R21, X)
ldi r17, LOW(FW_TYPE)
st X+, r17 ; 6: firmware type low
ldi r17, HIGH(FW_TYPE)
st X+, r17 ; 7: firmware type high
ldi r17, FW_MAIN_VERSION_LOW
st X+, r17 ; 8: version low
ldi r17, FW_MAIN_VERSION_HIGH
st X+, r17 ; 9: version high
ldi r17, LOW(MODULES_MASK)
st X+, r17 ; 10: modules mask low
ldi r17, HIGH(MODULES_MASK)
st X+, r17 ; 11: modules mask low
pop xl
pop xh
rcall comCalcAndAddChecksumByte ; (R16, R17, R18, R19, X)
; 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_EnqueueDevice_error
sec
ret
CPRO_EnqueueDevice_error:
clc
ret