C++ (Cpp) PWM_PCR_PWMSELn Examples

Example #1

File: lpc177x_8x_pwm.c Project: Liu1992/GasSub_LPC1788

/********************************************************************//**
 * @brief 		Configure Edge mode for each PWM channel
 * @param[in]	 pwmId			 The Id of the expected PWM component
 *
 * @param[in]	PWMChannel PWM channel, should be in range from 2 to 6
 * @param[in]	ModeOption PWM mode option, should be:
 * 				- PWM_CHANNEL_SINGLE_EDGE: Single Edge mode
 * 				- PWM_CHANNEL_DUAL_EDGE: Dual Edge mode
 * @return 		None
 * Note: PWM Channel 1 can not be selected for mode option
 *********************************************************************/
void PWM_ChannelConfig(uint8_t pwmId, uint8_t PWMChannel, uint8_t ModeOption)
{
	LPC_PWM_TypeDef* pPwm = PWM_GetPointer(pwmId);

	// Single edge mode
	if (ModeOption == PWM_CHANNEL_SINGLE_EDGE)
	{
		pPwm->PCR &= (~ PWM_PCR_PWMSELn(PWMChannel)) & PWM_PCR_BITMASK;
	}
	// Double edge mode
	else if (PWM_CHANNEL_DUAL_EDGE)
	{
		pPwm->PCR |= PWM_PCR_PWMSELn(PWMChannel);
	}
}

Example #2

File: lpc17xx_pwm.c Project: leoarcu/Electroestimulador

/********************************************************************//**
 * @brief 		Configure Edge mode for each PWM channel
 * @param[in]	PWMx	PWM peripheral selected, should be LPC_PWM1
 * @param[in]	PWMChannel PWM channel, should be in range from 2 to 6
 * @param[in]	ModeOption PWM mode option, should be:
 * 				- PWM_CHANNEL_SINGLE_EDGE: Single Edge mode
 * 				- PWM_CHANNEL_DUAL_EDGE: Dual Edge mode
 * @return 		None
 * Note: PWM Channel 1 can not be selected for mode option
 *********************************************************************/
void PWM_ChannelConfig(LPC_PWM_TypeDef *PWMx, uint8_t PWMChannel, uint8_t ModeOption)
{
	CHECK_PARAM(PARAM_PWMx(PWMx));
	CHECK_PARAM(PARAM_PWM1_EDGE_MODE_CHANNEL(PWMChannel));
	CHECK_PARAM(PARAM_PWM_CHANNEL_EDGE(ModeOption));

	// Single edge mode
	if (ModeOption == PWM_CHANNEL_SINGLE_EDGE)
	{
		PWMx->PCR &= (~PWM_PCR_PWMSELn(PWMChannel)) & PWM_PCR_BITMASK;
	}
	// Double edge mode
	else if (PWM_CHANNEL_DUAL_EDGE)
	{
		PWMx->PCR |= PWM_PCR_PWMSELn(PWMChannel);
	}
}