Rename file: timer0 will manage tap tempo

- Led will be connected via a 555 monostable on the MIDI line
2026-01-09 11:41:00 +01:00
parent e24c4ee591
commit f42178941e
2 changed files with 13 additions and 26 deletions
@@ -1,26 +0,0 @@
-; Registers:
-;   r16: timer0 start and stop operations
-
-.MACRO START_BLINK
-    ldi     r16,       (1 << OCF0A)                     ; Write Output Compare Flag 0 A to 1
-    out     TIFR,      r16                              ; Clear Timer0 interrupt flag register
-
-    clr     r16                                         ; Cleanup register
-    out     TCNT0,      r16                             ; Reset Counter to 0
-
-    ldi     r16,        (1 << CS02) | (1 << CS00)       ; Load prescaler value (00000101 = prescaler 1024)
-    out     TCCR0B,     r16                             ; Enable clock source
-
-    sbi     PORTB,      PB0                             ; Set LED on
-.endm
-
-stop_blink:
-    cbi     PORTB,      PB0                             ; Set LED off
-
-    clr     r16                                         ; Cleanup register
-    out     TCCR0B,     r16                             ; Stop timer0 by clearing prescaler
-
-    ldi     r16,        (1 << OCF0A)
-    out     TIFR,       r16                             ; Clear timer0 interrupt flag register
-
-    reti
@@ -0,0 +1,13 @@
+; Registers:
+;   r16: timer0 start and stop operations
+
+.MACRO START_TAPTEMPO_COUNTER
+    ldi     r16,       (1 << OCF0A)                     ; Load Output Compare Flag 0 A to 1
+    out     TIFR,      r16                              ; Clear Timer0 interrupt flag register
+
+    clr     r16                                         ; Cleanup register
+    out     TCNT0,      r16                             ; Reset Counter to 0
+
+    ldi     r16,        (1 << CS02) | (1 << CS00)       ; Load prescaler value (00000101 = prescaler 1024)
+    out     TCCR0B,     r16                             ; Enable clock source
+.endm