From 2edaac6fca854f094d9b32c8b44f3e2ae79a2512 Mon Sep 17 00:00:00 2001
From: nick6x <nick.6.x@gmail.com>
Date: Fri, 28 Jul 2017 16:22:11 -0700
Subject: [PATCH] Update dds example for dds library changes

---
 examples/DDS/DDS.ino | 30 ++++++++++++++++++++----------
 1 file changed, 20 insertions(+), 10 deletions(-)

diff --git a/examples/DDS/DDS.ino b/examples/DDS/DDS.ino
index e1139c7..c738a5b 100644
--- a/examples/DDS/DDS.ino
+++ b/examples/DDS/DDS.ino
@@ -18,6 +18,8 @@
 #define RESET_PIN A3
 #define SWITCH_PIN 2
 
+#define TIMER2_PHASE_ADVANCE 24
+
 HamShield radio;
 DDS dds;
 
@@ -39,6 +41,7 @@ void setup() {
   radio.frequency(438000);
   radio.setModeTransmit();
   dds.start();
+  dds.startPhaseAccumulator(false);
   dds.playWait(600, 3000);
   dds.on();
   //dds.setAmplitude(31);
@@ -51,17 +54,24 @@ void loop() {
   delay(1000);
 }
 
-#ifdef DDS_USE_ONLY_TIMER2
-ISR(TIMER2_OVF_vect) {
-  dds.clockTick();
-}
-#else // Use the ADC timer instead
-ISR(ADC_vect) {
+
+//Uncomment if using dds.startPhaseAccumulator(true);
+/*ISR(TIMER2_OVF_vect) {
   static unsigned char tcnt = 0;
-  TIFR1 = _BV(ICF1); // Clear the timer flag
-  if(++tcnt == 4) {
+  if(++tcnt == TIMER2_PHASE_ADVANCE) {
     tcnt = 0;
+    dds.clockTick();
+  }
+}*/
+
+//Comment if using dds.startPhaseAccumulator(true);
+ISR(ADC_vect) {
+  if(false){
+    static unsigned char tcnt = 0;
+    TIFR1 = _BV(ICF1); // Clear the timer flag
+    if(++tcnt == 4) {
+      tcnt = 0;
+    }
+    dds.clockTick();
   }
-  dds.clockTick();
 }
-#endif