update

2024-08-21 10:10:42 +02:00
parent c34684e106
commit 0f7f34c1f9
9 changed files with 90 additions and 36 deletions
--- a/timer.c
+++ b/timer.c
@@ -0,0 +1,27 @@
+
+/*
+ * Copyright 2017 Oleg Borodin <onborodin@gmail.com>
+ */
+
+#include <avr/interrupt.h>
+#include <util/delay.h>
+
+#include <tool.h>
+
+void timer0_init(void) {
+    /* Disable comparators */
+    REG_SETDOWN_BIT(TCCR0A, COM0A1);
+    REG_SETDOWN_BIT(TCCR0A, COM0A0);
+    REG_SETDOWN_BIT(TCCR0A, COM0B1);
+    REG_SETDOWN_BIT(TCCR0A, COM0B0);
+    /* Set normal mode */
+    REG_SETDOWN_BIT(TCCR0A, WGM01);
+    REG_SETDOWN_BIT(TCCR0A, WGM00);
+    /* Set clock to 1/64 */
+    REG_SETDOWN_BIT(TCCR0B, CS02);
+    REG_SETUP_BIT(TCCR0B, CS01);
+    REG_SETUP_BIT(TCCR0B, CS00);
+    /* Enable timer interrupt */
+    REG_SETUP_BIT(TIMSK0, TOIE0);
+    //REG_SETUP(TCNT0, TIMER_INITVAL);
+}