From 2ae7b3067b9c4ab86236969da1060abf3c077981 Mon Sep 17 00:00:00 2001
From: alanbjohnston <alan.b.johnston@gmail.com>
Date: Thu, 8 Sep 2022 21:55:53 -0400
Subject: [PATCH] wav_position modulo instead of - length

---
 cubesatsim/cubesatsim.ino | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index c0688a72..ce0bf7a4 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -3484,7 +3484,7 @@ bool TimerHandler0(struct repeating_timer *t) {
     pwm_set_gpio_level(BPSK_PWM_PIN, (config.top + 1) * 0.5);	 
 */	
     if (wav_position > bufLen) { // 300) {
-	wav_position = wav_position - bufLen;
+	wav_position = wav_position % bufLen;
 //	Serial.print("\nR");
 //	Serial.print(" ");
 //	Serial.println(millis());