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Update DDS.ino example for DDS library changes

This commit is contained in:
nick6x 2017-07-30 12:08:24 -07:00
parent 2edaac6fca
commit 74a2d1cb90
1 changed files with 14 additions and 15 deletions
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15
examples/DDS/DDS.ino
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@ -18,6 +18,7 @@
#define RESET_PIN A3 #define RESET_PIN A3
#define SWITCH_PIN 2 #define SWITCH_PIN 2
#define DDS_USE_ONLY_TIMER2 true
#define TIMER2_PHASE_ADVANCE 24 #define TIMER2_PHASE_ADVANCE 24
HamShield radio; HamShield radio;
@ -41,7 +42,7 @@ void setup() {
radio.frequency(438000); radio.frequency(438000);
radio.setModeTransmit(); radio.setModeTransmit();
dds.start(); dds.start();
dds.startPhaseAccumulator(false); dds.startPhaseAccumulator(DDS_USE_ONLY_TIMER2);
dds.playWait(600, 3000); dds.playWait(600, 3000);
dds.on(); dds.on();
//dds.setAmplitude(31); //dds.setAmplitude(31);
@ -55,23 +56,21 @@ void loop() {
} }
//Uncomment if using dds.startPhaseAccumulator(true); #if DDS_USE_ONLY_TIMER2
/*ISR(TIMER2_OVF_vect) { ISR(TIMER2_OVF_vect) {
static unsigned char tcnt = 0; static unsigned char tcnt = 0;
if(++tcnt == TIMER2_PHASE_ADVANCE) { if(++tcnt == TIMER2_PHASE_ADVANCE) {
tcnt = 0; tcnt = 0;
dds.clockTick(); dds.clockTick();
} }
}*/ }
#else // Use the ADC timer instead
//Comment if using dds.startPhaseAccumulator(true);
ISR(ADC_vect) { ISR(ADC_vect) {
if(false){
static unsigned char tcnt = 0; static unsigned char tcnt = 0;
TIFR1 = _BV(ICF1); // Clear the timer flag TIFR1 = _BV(ICF1); // Clear the timer flag
if(++tcnt == 4) { if(++tcnt == 4) {
tcnt = 0; tcnt = 0;
} }
dds.clockTick(); dds.clockTick();
}
} }
#endif