third-party
/
DDS
mirror of https://github.com/EnhancedRadioDevices/DDS
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Determine ISR on #define

This commit is contained in:
nick6x 2017-07-30 11:53:55 -07:00
parent c4daa7941b
commit 7ebe201f96
1 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
examples/SimpleSin/SimpleSin.ino
View File

@ -9,6 +9,7 @@
#define PWM_PIN 3
#define DDS_USE_ONLY_TIMER2 false
#define TIMER2_PHASE_ADVANCE 24
DDS dds;
@ -18,7 +19,7 @@ void setup() {
digitalWrite(PWM_PIN, LOW);
dds.start();
dds.startPhaseAccumulator(false);
dds.startPhaseAccumulator(DDS_USE_ONLY_TIMER2);
dds.playWait(600, 3000);
dds.on();
//dds.setAmplitude(31);
@ -29,16 +30,15 @@ void loop() {
}
//Uncomment if using dds.startPhaseAccumulator(true);
/*ISR(TIMER2_OVF_vect) {
#if DDS_USE_ONLY_TIMER2
ISR(TIMER2_OVF_vect) {
static unsigned char tcnt = 0;
if(++tcnt == TIMER2_PHASE_ADVANCE) {
tcnt = 0;
dds.clockTick();
}
}*/
//Comment if using dds.startPhaseAccumulator(true);
}
#else // Use the ADC timer instead
ISR(ADC_vect) {
if(false){
static unsigned char tcnt = 0;
@ -49,3 +49,4 @@ ISR(ADC_vect) {
dds.clockTick();
}
}
#endif