kopia lustrzana https://github.com/dgatf/Oscilloscope
Update
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@ -12,12 +12,12 @@ Flash oscilloscope.ino to an arduino board. In the Oscilloscope gui settings sel
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You can connect any signal up to 5 volts to the analog pin A0. For signals over 5V a voltage divider is needed.
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For ATmega boards there is a PWM signal at pin B2(OC1B). To test the Oscilloscope app connect pin B2 to pin A0
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For ATmega boards it is defined a PWM signal at pin OC1B. To test the Oscilloscope app connect pin OC1B to pin A0
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Adjust PWM signal with PWM_FREQ and PWM_DUTY. Default is 100Hz, 50% duty.
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Pin B2 location:
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- Uno, Leonardo: pin 10
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- ATmega2560: pin 12
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Pin OC1B location:
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- Uno, Leonardo: pin 10 (PB2)
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- ATmega2560: pin 12 (PB6)
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To build the Oscilloscope app:
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- install qt
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@ -12,14 +12,18 @@ void setup() {
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Serial.begin(1000000);
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#if defined(ARDUINO_ARCH_AVR)
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/* PWM signal is available at pin B2(OC1B). To test the Oscilloscope app connect pin B2 to pin A0
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Adjust PWM signal with PWM_FREQ and PWM_DUTY
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Pin B2:
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Uno, Leonardo: pin 10
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ATmega2560: pin 12
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PWM 100Hz, 50% DUTY, PIN B2
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/* PWM signal is available at pin OC1B. To test the Oscilloscope app connect pin OC1B to pin A0
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Adjust PWM signal with PWM_FREQ and PWM_DUTY. Default: PWM 100Hz, 50% DUTY
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Pin OC1B:
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Uno: pin 10 (PB2)
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Leonardo: pin 10 (PB6)
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ATmega2560: pin 12 (PB6)
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*/
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#if defined(__AVR_ATmega2560__) || defined(__AVR_ATmega32U4__)
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DDRB |= _BV(DDB6);
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#else
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DDRB |= _BV(DDB2);
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#endif
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TCCR1A = _BV(WGM11) | _BV(WGM10);
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TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS11); // scaler 8
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TCCR1A |= _BV(COM1B1);
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