Implement first version of ISR

1 files changed, 7 insertions, 19 deletions

diff --git a/software/first/first.c b/software/first/first.c
index 7505d6c..889e05b 100644
--- a/software/first/first.c
+++ b/software/first/first.c
@@ -5,28 +5,16 @@
 #include "super_blink.h"
 
 int main() {
-		int error = 0;
-		int ledNum = 0;
-		int colours[NUM_LEDS] = {
-			GREEN_LED,
-			RED_LED,
-			BLUE_LED,
-		};
-
 		setup_GPIO();
 		setup_timer_irq();
 
-		while (!error) {
-			set_LED(colours[ledNum], ON);
-			delay(DELAY);
-
-			error = set_LED(colours[ledNum], OFF);
-			delay(DELAY);
-
-			ledNum++;
+		// set a delay so the first interrupt handler can fire
+		delay(DELAY);
 
-			if (ledNum >= NUM_LEDS) {
-				ledNum = 0;
-			}
+		while (1) {
+			// the idea being that delay sets the timer
+			// for the first interrupt. In the interrupt
+			// routine, we set the next delay so all we need
+			// to do here is to loop endlessly
 		}
 }