avr: added support for 16MHz clock.

2026-02-16 01:10:15 +01:00
parent 7c37ad930b
commit f7475b0b31
1 changed files with 8 additions and 0 deletions
--- a/avr/devices/all/hw_m644p.asm
+++ b/avr/devices/all/hw_m644p.asm
@@ -131,6 +131,14 @@ systemSetupTimer0:            ; setup timer for IRQ every 100ms
  ldi r16, 20
  sts baseTimerModuleReloadValue, r16
  sts baseTimerModuleTickCounter, r16
+.elif clock == 16000000
+  ; CMP-A interrupt about every 10ms
+  ldi r16, 98-1      ; (16,000,000 Hz/1024/10) = 156.25 Hz = 6.4ms
+  outr OCR0A, r16
+
+  ldi r16, 16
+  sts baseTimerModuleReloadValue, r16
+  sts baseTimerModuleTickCounter, r16
 .else
  .error "Unhandled clock frequency"
 .endif