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Motor driver senseFactor and 10bit ADC

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pmantoine 2022-04-07 16:53:50 +08:00
parent 5ccef35074
commit 46e4dc2628
2 changed files with 3 additions and 3 deletions
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2
DCCTimerSAMD.cpp
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@ -56,7 +56,7 @@ void DCCTimer::begin(INTERRUPT_CALLBACK callback) {
ADC->CTRLB.reg &= 0b1111100011111111; // mask PRESCALER bits
ADC->CTRLB.reg |= ADC_CTRLB_PRESCALER_DIV64 | // divide Clock by 64
ADC_CTRLB_RESSEL_12BIT; // Result on 12 bits
ADC_CTRLB_RESSEL_10BIT; // Result on 10 bits default, 12 bits possible
ADC->AVGCTRL.reg = ADC_AVGCTRL_SAMPLENUM_1 | // take 1 sample at a time
ADC_AVGCTRL_ADJRES(0x00ul); // adjusting result by 0

4
MotorDrivers.h
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@ -50,8 +50,8 @@
// PMA - senseFactor for 3.3v systems is 1.95 as calculated when using 10-bit A/D samples,
// and for 12-bit samples it's more like 0.488, but we probably need to tweak both these
#define STANDARD_MOTOR_SHIELD F("STANDARD_MOTOR_SHIELD"), \
new MotorDriver(3, 12, UNUSED_PIN, 9, A0, 0.488, 2000, UNUSED_PIN), \
new MotorDriver(11, 13, UNUSED_PIN, 8, A1, 0.488, 2000, UNUSED_PIN)
new MotorDriver(3, 12, UNUSED_PIN, 9, A0, 1.95, 2000, UNUSED_PIN), \
new MotorDriver(11, 13, UNUSED_PIN, 8, A1, 1.95, 2000, UNUSED_PIN)
#else
#define STANDARD_MOTOR_SHIELD F("STANDARD_MOTOR_SHIELD"), \
new MotorDriver(3, 12, UNUSED_PIN, 9, A0, 2.99, 2000, UNUSED_PIN), \