Ejemplo n.º 1
0
/*********************************************************************//**
 * @brief 		Configures capture input for PWM peripheral
 * @param[in]	 pwmId			 The Id of the expected PWM component
 *
 * @param[in]   PWM_CaptureConfigStruct	Pointer to a PWM_CAPTURECFG_Type structure
 *                    that contains the configuration information for the
 *                    specified PWM capture input function.
 * @return 		None
 **********************************************************************/
void PWM_ConfigCapture(uint8_t pwmId, PWM_CAPTURECFG_Type *PWM_CaptureConfigStruct)
{
	LPC_PWM_TypeDef* pPwm = PWM_GetPointer(pwmId);

	if (PWM_CaptureConfigStruct->RisingEdge == ENABLE)
	{
		pPwm->CCR |= PWM_CCR_CAP_RISING(PWM_CaptureConfigStruct->CaptureChannel);
	}
	else
	{
		pPwm->CCR &= (~ PWM_CCR_CAP_RISING(PWM_CaptureConfigStruct->CaptureChannel)) \
																		& PWM_CCR_BITMASK;
	}

	if (PWM_CaptureConfigStruct->FallingEdge == ENABLE)
	{
		pPwm->CCR |= PWM_CCR_CAP_FALLING(PWM_CaptureConfigStruct->CaptureChannel);
	}
	else
	{
		pPwm->CCR &= (~ PWM_CCR_CAP_FALLING(PWM_CaptureConfigStruct->CaptureChannel)) \
																		& PWM_CCR_BITMASK;
	}

	if (PWM_CaptureConfigStruct->IntOnCaption == ENABLE)
	{
		pPwm->CCR |= PWM_CCR_INT_ON_CAP(PWM_CaptureConfigStruct->CaptureChannel);
	}
	else
	{
		pPwm->CCR &= (~ PWM_CCR_INT_ON_CAP(PWM_CaptureConfigStruct->CaptureChannel)) \
																		& PWM_CCR_BITMASK;
	}
}
Ejemplo n.º 2
0
/*********************************************************************//**
 * @brief 		Configures capture input for PWM peripheral
 * @param[in]	PWMx	PWM peripheral selected, should be LPC_PWM1
 * @param[in]   PWM_CaptureConfigStruct	Pointer to a PWM_CAPTURECFG_Type structure
*                    that contains the configuration information for the
*                    specified PWM capture input function.
 * @return 		None
 **********************************************************************/
void PWM_ConfigCapture(LPC_PWM_TypeDef *PWMx, PWM_CAPTURECFG_Type *PWM_CaptureConfigStruct)
{
	CHECK_PARAM(PARAM_PWMx(PWMx));
	CHECK_PARAM(PARAM_PWM1_CAPTURE_CHANNEL(PWM_CaptureConfigStruct->CaptureChannel));
	CHECK_PARAM(PARAM_FUNCTIONALSTATE(PWM_CaptureConfigStruct->FallingEdge));
	CHECK_PARAM(PARAM_FUNCTIONALSTATE(PWM_CaptureConfigStruct->IntOnCaption));
	CHECK_PARAM(PARAM_FUNCTIONALSTATE(PWM_CaptureConfigStruct->RisingEdge));

	if (PWM_CaptureConfigStruct->RisingEdge == ENABLE)
	{
		PWMx->CCR |= PWM_CCR_CAP_RISING(PWM_CaptureConfigStruct->CaptureChannel);
	}
	else
	{
		PWMx->CCR &= (~PWM_CCR_CAP_RISING(PWM_CaptureConfigStruct->CaptureChannel)) \
					& PWM_CCR_BITMASK;
	}

	if (PWM_CaptureConfigStruct->FallingEdge == ENABLE)
	{
		PWMx->CCR |= PWM_CCR_CAP_FALLING(PWM_CaptureConfigStruct->CaptureChannel);
	}
	else
	{
		PWMx->CCR &= (~PWM_CCR_CAP_FALLING(PWM_CaptureConfigStruct->CaptureChannel)) \
					& PWM_CCR_BITMASK;
	}

	if (PWM_CaptureConfigStruct->IntOnCaption == ENABLE)
	{
		PWMx->CCR |= PWM_CCR_INT_ON_CAP(PWM_CaptureConfigStruct->CaptureChannel);
	}
	else
	{
		PWMx->CCR &= (~PWM_CCR_INT_ON_CAP(PWM_CaptureConfigStruct->CaptureChannel)) \
					& PWM_CCR_BITMASK;
	}
}