33 lines
498 B
Arduino
33 lines
498 B
Arduino
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#include <HamShield.h>
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#include <Wire.h>
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DDS dds;
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void setup() {
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pinMode(2, OUTPUT);
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pinMode(3, OUTPUT);
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pinMode(11, OUTPUT);
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dds.start();
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dds.setFrequency(440);
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dds.on();
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delay(5000);
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}
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void loop() {
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dds.setFrequency(2200);
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delay(5000);
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dds.setFrequency(1200);
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delay(5000);
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}
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#ifdef DDS_USE_ONLY_TIMER2
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ISR(TIMER2_OVF_vect) {
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dds.clockTick();
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}
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#else // Use the ADC timer instead
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ISR(ADC_vect) {
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TIFR1 = _BV(ICF1); // Clear the timer flag
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dds.clockTick();
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}
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#endif
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