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avr: share code (saves 8 bytes)

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Martin Preuss
2024-09-01 20:19:18 +02:00
parent 45cae14f6a
commit 8aeb488e2e
1 changed files with 18 additions and 16 deletions
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34
avr/modules/com2/lowlevel.asm
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@@ -53,12 +53,10 @@ com2SendByte_loopEnd:
; send stopbit
cbi COM_DDR_DATA, COM_PINNUM_DATA ; +2 set DATA as input, pullup R makes it ONE
Utils_WaitNanoSecs COM_BIT_LENGTH, 4, r22 ; wait for one bit length
sec
ret
rjmp com2LowLevelSecRet
com2SendByte_error:
clc
ret
rjmp com2LowLevelClcRet
@@ -97,11 +95,9 @@ com2ReceiveByte_shiftIn:
rcall com2WaitForDataHigh ; wait for start of stopbit
brcc com2ReceiveByte_error
mov r16, r20
sec
ret
rjmp com2LowLevelSecRet
com2ReceiveByte_error:
clc
ret
rjmp com2LowLevelClcRet
@@ -170,11 +166,9 @@ com2WaitForDataState1ms_loop:
rcall com2WaitFor10MicroSecs ; wait for 10us (R22)
dec r17
brne com2WaitForDataState1ms_loop
clc
ret
rjmp com2LowLevelClcRet
com2WaitForDataState1ms_stateReached:
sec
ret
rjmp com2LowLevelSecRet
@@ -198,11 +192,9 @@ com2WaitForAttnState1ms_loop:
rcall com2WaitFor10MicroSecs ; wait for 10us (R22)
dec r17
brne com2WaitForAttnState1ms_loop
clc
ret
rjmp com2LowLevelClcRet
com2WaitForAttnState1ms_stateReached:
sec
ret
rjmp com2LowLevelSecRet
@@ -220,3 +212,13 @@ com2WaitFor10MicroSecs:
ret
com2LowLevelClcRet:
clc
ret
com2LowLevelSecRet:
sec
ret