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31 lines
998 B
C++
31 lines
998 B
C++
#include "Arduino.h"
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#include "encoding.h"
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#include "pwm.h"
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extern pwm_fpio_set_t pwm_pins[VARIANT_NUM_PWM];
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void tone(uint8_t pin, unsigned int frequency, unsigned long duration)
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{
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int8_t _pin = k210FpioSet(pin);
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if(_pin >= 0){
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if (duration > 0) {
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pwm_set_frequency(pwm_pins[_pin].device, pwm_pins[_pin].channel,(double)frequency,0.5);
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uint64_t _start_time = millis();
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pwm_set_enable(pwm_pins[_pin].device, pwm_pins[_pin].channel,1);
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while ( millis() - _start_time < duration );
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pwm_set_enable(pwm_pins[_pin].device, pwm_pins[_pin].channel,0);
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}else{
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pwm_set_frequency(pwm_pins[_pin].device, pwm_pins[_pin].channel,(double)frequency,0.5);
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pwm_set_enable(pwm_pins[_pin].device, pwm_pins[_pin].channel,1);
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}
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}
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}
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void noTone(uint8_t pin)
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{
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int8_t _pin = k210FpioSet(pin);
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if(_pin >= 0){
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pwm_set_enable(pwm_pins[_pin].device, pwm_pins[_pin].channel,0);
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}
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} |