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avr: receiving flash messages basically works.

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This commit is contained in:
Martin Preuss
2025-01-22 01:10:32 +01:00
parent 19af9daea7
commit 22a5402141
3 changed files with 16 additions and 6 deletions
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2
avr/modules/flash/flashprocess.asm
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@@ -41,6 +41,7 @@ flashDataEnd:
checkFlash:
rcall flashReadUidIntoSdram ; R16, X, Y
rcall ioRawInit ; (R16, R17)
ldi xl, LOW(flashSendBuffer)
ldi xh, HIGH(flashSendBuffer)
rcall flashProcessWriteFlashReady ; (R16, R17, R18, R19, R20, Y, Z)
@@ -83,7 +84,6 @@ flashProcess:
flashProcess_loop1:
; wait up to 10s for incoming FLASH_DATA message
ldi r16, CPRO_CMD_FLASH_DATA
ldi r20, 5 ; wait for 5s (not used!)
rcall ioWaitForGivenMsg ; (r16, r17, r18, r19, r20, r22, X)
brcc flashProcess_end ; no FLASH_DATA or FLASH_END msg
; either FLASH_DATA or FLASH_END received

2
avr/modules/flash/io.asm
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@@ -22,10 +22,10 @@
; @return CFLAG set if okay (packet received), cleared on error
; @return r16 code of received msg
; @param r16 command to wait for
; @param r20 time in seconds to wait for a message
; @clobbers: r16, r17, r20, X (r18, r19, r22)
ioWaitForGivenMsg:
ldi r20, 100 ; number of tries
ioWaitForGivenMsg_loop:
push r16
rcall ioRawWaitForValidMsg ; (r16, r17, r18, r19, r22, X)