From 2bd45f076ea7eb429bfee54fe1de240ff4b284e6 Mon Sep 17 00:00:00 2001
From: brett <brett@bretts-windows-laptop>
Date: Tue, 23 Apr 2024 20:51:02 -0500
Subject: should be finished, backing up

---
 final_project/clock.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 final_project/clock.c

(limited to 'final_project/clock.c')

diff --git a/final_project/clock.c b/final_project/clock.c
new file mode 100644
index 0000000..7c216fc
--- /dev/null
+++ b/final_project/clock.c
@@ -0,0 +1,31 @@
+/*
+ * clock.c
+ *
+ * Created: 4/3/2024 10:29:19 AM
+ *  Author: bsw9xd
+ */ 
+#include "clock.h"
+
+void timer_init_ctc() {
+	TCCR1A = 0x00; //WGM10 = 0, WGM11 = 0 (CTC mode when combined with WGM12 in TCCR1B)
+	TCCR1B = (1 << WGM12);
+	TCNT1 = 0; // initialize timer at 0
+	//TIMSK1 |= (1<<OCIE1A); // enable int at timer1
+
+}
+
+void start_timer() {
+	TCNT1 = 0;
+	OCR1A = 0x3d09; // 1 second
+	if(TIFR1 & (1 << OCF1A)) TIFR1 |= (1 << OCF1A);
+	TCCR1B |=  (1<<CS12) | (1 << CS10); //start timer with 1024 prescalar
+}
+
+void stop_timer() {
+	if(TIFR1 & (1 << OCF1A)) TIFR1 |= (1 << OCF1A);
+	TIMSK1 = (1 << WGM12);
+}
+
+bool timer_done() {
+	return (TIFR1 & (1 << OCF1A)); 
+}
\ No newline at end of file
-- 
cgit v1.2.3