avr: adapted boot firmware to latest changes (mainly switch to uart_bitbang).

2024-10-28 23:42:30 +01:00
parent 061438b7c8
commit 9c35e7a006
2 changed files with 27 additions and 6 deletions
--- a/avr/modules/flash/recv.asm
+++ b/avr/modules/flash/recv.asm
@@ -122,6 +122,8 @@ flashWaitForSpecificMessage_received:       ; R16 contains message type
 ; REGS: R24 (R22)

 flashWaitForAttnState1ms:
+  cbi COM_ATTN_DDR, COM_ATTN_PIN          ; set ATTN port as input
+  cbi COM_ATTN_OUTPUT, COM_ATTN_PIN       ; disable internal pullup for ATTN
  ldi r24, 100
 flashWaitForAttnState1ms_loop:
    push r17