1 files changed, 11 insertions, 4 deletions
diff --git a/project/Core/Src/Activties/activity13.c b/project/Core/Src/Activties/activity13.c
index 19eb0a4..16c2c1b 100644
--- a/project/Core/Src/Activties/activity13.c
+++ b/project/Core/Src/Activties/activity13.c
@@ -7,20 +7,27 @@
 #include <stdint.h>
 #include <stdio.h>
 #include "systick.h"
+#include "tone.h"
+#include "dac.h"
 
 //write 1s for half the freq and 0s for the other half
 void play_freq(uint8_t hz) {
-	uint32_t rollover =herz_to_systicks(hz);
+	uint32_t rollover = hertz_to_systicks(hz);
 	int count = systick_get_count();
-	if ((count % rollover) < (rollover >> 1))
+	if ((count % rollover) < (rollover >> 1)) {
+		DAC_Set_Value(3000);
 		printf("1");
-	else
+	}
+	else {
+		DAC_Set_Value(0);
 		printf("0");
+	}
 }
 
 void activity13_run() {
 	init_systick();
+	DAC_Init();
 	for(;;) {
-		play_freq(1);
+		play_freq(3000);
 	}
 }