Provide frequency/duty_cycle API for PwmOut::begin(...). #204

Original file line number	Diff line number	Diff line change
Expand Up		@@ -90,6 +90,28 @@ bool PwmOut::begin(uint32_t period_width, uint32_t pulse_width, bool raw /*= fal
		return _enabled;
		}

	/* -------------------------------------------------------------------------- */
	bool PwmOut::begin(float freq_hz, float duty_perc) {
	/* -------------------------------------------------------------------------- */
	_enabled = true;
	int max_index = PINS_COUNT;
	_enabled &= cfg_pin(max_index);

	if(_enabled) {
	_enabled &= timer.begin(TIMER_MODE_PWM, (_is_agt) ? AGT_TIMER : GPT_TIMER, timer_channel, freq_hz, duty_perc);
	}

	if(_enabled) {
	timer.add_pwm_extended_cfg();
	timer.enable_pwm_channel(_pwm_channel);

	_enabled &= timer.open();
	_enabled &= timer.start();
	}

	return _enabled;
	}

		bool PwmOut::period(int ms) {
		return timer.set_period_ms((double)ms);
		}
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1 change: 1 addition & 0 deletions cores/arduino/pwm.h

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Original file line number	Diff line number	Diff line change
Expand Up		@@ -22,6 +22,7 @@ class PwmOut {
		TIMER_SOURCE_DIV_256
		TIMER_SOURCE_DIV_1024 */
		bool begin(uint32_t period_usec, uint32_t pulse_usec, bool raw = false, timer_source_div_t sd = TIMER_SOURCE_DIV_1);
	bool begin(float freq_hz, float duty_perc);
		void end();
		bool period(int ms);
		bool pulseWidth(int ms);
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