avr: consolidated uart_hw module

2025-03-27 00:20:58 +01:00
parent 3555b49219
commit 89542e06c9
9 changed files with 290 additions and 507 deletions
--- a/avr/modules/flash/io_uart1.asm
+++ b/avr/modules/flash/io_uart1.asm
@@ -46,6 +46,13 @@ ioRawInit:
 ;  cbr r16, (1<<UDRIE1)  ; disable DRE interrupt
  ori r16, (1<<RXEN1) | (1<<TXEN1)   ; enable transmit and receive
  sts UCSR1B, r16
+
+.ifdef COM_ATTN_PUE
+    lds r16, COM_ATTN_PUE
+    cbr r16, COM_ATTN_PIN           ; disable pullup on ATTN
+    sts COM_ATTN_PUE, r16
+.endif
+
  ret
 ;@end