/**************************************************************************//** * @file bpwm.c * @version V1.00 * @brief M2351 series BPWM driver source file * * @copyright SPDX-License-Identifier: Apache-2.0 * @copyright Copyright (C) 2017-2020 Nuvoton Technology Corp. All rights reserved. *****************************************************************************/ #include "NuMicro.h" /** @addtogroup Standard_Driver Standard Driver @{ */ /** @addtogroup BPWM_Driver BPWM Driver @{ */ /** @addtogroup BPWM_EXPORTED_FUNCTIONS BPWM Exported Functions @{ */ /** * @brief Configure BPWM capture and get the nearest unit time. * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. Valid values are between 0~5 * @param[in] u32UnitTimeNsec The unit time of counter * @param[in] u32CaptureEdge The condition to latch the counter. This parameter is not used * @return The nearest unit time in nano second. * @details This function is used to Configure BPWM capture and get the nearest unit time. */ uint32_t BPWM_ConfigCaptureChannel(BPWM_T *bpwm, uint32_t u32ChannelNum, uint32_t u32UnitTimeNsec, uint32_t u32CaptureEdge) { uint32_t u32PWMClockSrc; uint32_t u32NearestUnitTimeNsec = 0U; uint32_t u32Prescale = 1U, u32CNR = 0xFFFFU; uint8_t u8BreakLoop = 0U; (void)u32ChannelNum; (void)u32CaptureEdge; /* clock source is from PCLK */ if((((uint32_t)bpwm) == BPWM0_BASE) || (((uint32_t)bpwm) == BPWM0_BASE + NS_OFFSET)) { u32PWMClockSrc = CLK_GetPCLK0Freq(); } else/* if((bpwm == BPWM1)||(bpwm == BPWM1_NS)) */ { u32PWMClockSrc = CLK_GetPCLK1Freq(); } u32PWMClockSrc /= 1000UL; for(u32Prescale = 1U; u32Prescale <= 0x1000UL; u32Prescale++) { u32NearestUnitTimeNsec = (1000000UL * u32Prescale) / u32PWMClockSrc; if(u32NearestUnitTimeNsec < u32UnitTimeNsec) { if(u32Prescale == 0x1000U) { /* limit to the maximum unit time(nano second) */ u8BreakLoop = 1U; } if(!((1000000UL * (u32Prescale + 1UL) > (u32NearestUnitTimeNsec * u32PWMClockSrc)))) { u8BreakLoop = 1U; } } else { u8BreakLoop = 1U; } if(u8BreakLoop) { break; } } /* convert to real register value */ u32Prescale = u32Prescale - 1U; /* all channels share a prescaler */ BPWM_SET_PRESCALER(bpwm, u32ChannelNum, u32Prescale); /* set BPWM to down count type(edge aligned) */ (bpwm)->CTL1 = (1UL); BPWM_SET_CNR(bpwm, u32ChannelNum, u32CNR); return (u32NearestUnitTimeNsec); } /** * @brief This function Configure BPWM generator and get the nearest frequency in edge aligned(up counter type) auto-reload mode * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. Valid values are between 0~5 * @param[in] u32Frequency Target generator frequency * @param[in] u32DutyCycle Target generator duty cycle percentage. Valid range are between 0 ~ 100. 10 means 10%, 20 means 20%... * @return Nearest frequency clock in nano second Since all channels shares a prescaler. Call this API to configure BPWM frequency may affect * existing frequency of other channel. This function is used for initial stage. * To change duty cycle later, it should get the configured period value and calculate the new comparator value. */ uint32_t BPWM_ConfigOutputChannel(BPWM_T *bpwm, uint32_t u32ChannelNum, uint32_t u32Frequency, uint32_t u32DutyCycle) { uint32_t u32PWMClockSrc; uint32_t i; uint32_t u32Prescale = 1U, u32CNR = 0xFFFFU; /* clock source is from PCLK */ if(((uint32_t)bpwm == BPWM0_BASE) || ((uint32_t)bpwm == BPWM0_BASE + NS_OFFSET)) { u32PWMClockSrc = CLK_GetPCLK0Freq(); } else/* if((bpwm == BPWM1)||(bpwm == BPWM1_NS)) */ { u32PWMClockSrc = CLK_GetPCLK1Freq(); } for(u32Prescale = 1U; u32Prescale < 0xFFFU; u32Prescale++)/* prescale could be 0~0xFFF */ { i = (u32PWMClockSrc / u32Frequency) / u32Prescale; /* If target value is larger than CNR, need to use a larger prescaler */ if(i <= (0x10000U)) { u32CNR = i; break; } } /* Store return value here 'cos we're gonna change u32Prescale & u32CNR to the real value to fill into register */ i = u32PWMClockSrc / (u32Prescale * u32CNR); /* convert to real register value */ u32Prescale = u32Prescale - 1U; /* all channels share a prescaler */ BPWM_SET_PRESCALER(bpwm, u32ChannelNum, u32Prescale); /* set BPWM to up counter type(edge aligned) */ (bpwm)->CTL1 = BPWM_UP_COUNTER; u32CNR = u32CNR - 1U; BPWM_SET_CNR(bpwm, u32ChannelNum, u32CNR); BPWM_SET_CMR(bpwm, u32ChannelNum, u32DutyCycle * (u32CNR + 1UL) / 100UL); (bpwm)->WGCTL0 = ((bpwm)->WGCTL0 & ~((BPWM_WGCTL0_PRDPCTL0_Msk | BPWM_WGCTL0_ZPCTL0_Msk) << (u32ChannelNum << 1))) | \ (BPWM_OUTPUT_HIGH << (u32ChannelNum << 1UL << BPWM_WGCTL0_ZPCTL0_Pos)); (bpwm)->WGCTL1 = ((bpwm)->WGCTL1 & ~((BPWM_WGCTL1_CMPDCTL0_Msk | BPWM_WGCTL1_CMPUCTL0_Msk) << (u32ChannelNum << 1))) | \ (BPWM_OUTPUT_LOW << (u32ChannelNum << 1UL << BPWM_WGCTL1_CMPUCTL0_Pos)); return(i); } /** * @brief Start BPWM module * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelMask Combination of enabled channels. This parameter is not used. * @return None * @details This function is used to start BPWM module. All channels share one counter. */ void BPWM_Start(BPWM_T *bpwm, uint32_t u32ChannelMask) { (void)u32ChannelMask; (bpwm)->CNTEN = BPWM_CNTEN_CNTEN0_Msk; } /** * @brief Stop BPWM module * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelMask Combination of enabled channels. This parameter is not used. * @return None * @details This function is used to stop BPWM module. All channels share one period. */ void BPWM_Stop(BPWM_T *bpwm, uint32_t u32ChannelMask) { (void)u32ChannelMask; (bpwm)->PERIOD = 0UL; } /** * @brief Stop BPWM generation immediately by clear channel enable bit * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelMask Combination of enabled channels. This parameter is not used. * @return None * @details This function is used to stop BPWM generation immediately by clear channel enable bit. All channels share one counter. */ void BPWM_ForceStop(BPWM_T *bpwm, uint32_t u32ChannelMask) { (void)u32ChannelMask; (bpwm)->CNTEN &= ~BPWM_CNTEN_CNTEN0_Msk; } /** * @brief Enable selected channel to trigger ADC * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. Valid values are between 0~5 * @param[in] u32Condition The condition to trigger ADC. Combination of following conditions: * - \ref BPWM_TRIGGER_ADC_EVEN_ZERO_POINT * - \ref BPWM_TRIGGER_ADC_EVEN_PERIOD_POINT * - \ref BPWM_TRIGGER_ADC_EVEN_ZERO_OR_PERIOD_POINT * - \ref BPWM_TRIGGER_ADC_EVEN_CMP_UP_COUNT_POINT * - \ref BPWM_TRIGGER_ADC_EVEN_CMP_DOWN_COUNT_POINT * - \ref BPWM_TRIGGER_ADC_ODD_CMP_UP_COUNT_POINT * - \ref BPWM_TRIGGER_ADC_ODD_CMP_DOWN_COUNT_POINT * @return None * @details This function is used to enable selected channel to trigger ADC */ void BPWM_EnableADCTrigger(BPWM_T *bpwm, uint32_t u32ChannelNum, uint32_t u32Condition) { if(u32ChannelNum < 4UL) { (bpwm)->EADCTS0 &= ~((BPWM_EADCTS0_TRGSEL0_Msk) << (u32ChannelNum << 3)); (bpwm)->EADCTS0 |= ((BPWM_EADCTS0_TRGEN0_Msk | u32Condition) << (u32ChannelNum << 3)); } else { (bpwm)->EADCTS1 &= ~((BPWM_EADCTS1_TRGSEL4_Msk) << ((u32ChannelNum - 4UL) << 3)); (bpwm)->EADCTS1 |= ((BPWM_EADCTS1_TRGEN4_Msk | u32Condition) << ((u32ChannelNum - 4UL) << 3)); } } /** * @brief Disable selected channel to trigger ADC * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. Valid values are between 0~3 * @return None * @details This function is used to disable selected channel to trigger ADC */ void BPWM_DisableADCTrigger(BPWM_T *bpwm, uint32_t u32ChannelNum) { if(u32ChannelNum < 4UL) { (bpwm)->EADCTS0 &= ~(BPWM_EADCTS0_TRGEN0_Msk << (u32ChannelNum << 3)); } else { (bpwm)->EADCTS1 &= ~(BPWM_EADCTS1_TRGEN4_Msk << ((u32ChannelNum - 4UL) << 3)); } } /** * @brief Clear selected channel trigger ADC flag * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. Valid values are between 0~5 * @param[in] u32Condition This parameter is not used * @return None * @details This function is used to clear selected channel trigger ADC flag */ void BPWM_ClearADCTriggerFlag(BPWM_T *bpwm, uint32_t u32ChannelNum, uint32_t u32Condition) { (void)u32Condition; (bpwm)->STATUS = (BPWM_STATUS_EADCTRG0_Msk << u32ChannelNum); } /** * @brief Get selected channel trigger ADC flag * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. Valid values are between 0~5 * @retval 0 The specified channel trigger ADC to start of conversion flag is not set * @retval 1 The specified channel trigger ADC to start of conversion flag is set * @details This function is used to get BPWM trigger ADC to start of conversion flag for specified channel */ uint32_t BPWM_GetADCTriggerFlag(BPWM_T *bpwm, uint32_t u32ChannelNum) { return (((bpwm)->STATUS & (BPWM_STATUS_EADCTRG0_Msk << u32ChannelNum)) ? 1UL : 0UL); } /** * @brief Enable capture of selected channel(s) * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelMask Combination of enabled channels. Each bit corresponds to a channel. * Bit 0 is channel 0, bit 1 is channel 1... * @return None * @details This function is used to enable capture of selected channel(s) */ void BPWM_EnableCapture(BPWM_T *bpwm, uint32_t u32ChannelMask) { (bpwm)->CAPINEN |= u32ChannelMask; (bpwm)->CAPCTL |= u32ChannelMask; } /** * @brief Disable capture of selected channel(s) * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelMask Combination of enabled channels. Each bit corresponds to a channel. * Bit 0 is channel 0, bit 1 is channel 1... * @return None * @details This function is used to disable capture of selected channel(s) */ void BPWM_DisableCapture(BPWM_T *bpwm, uint32_t u32ChannelMask) { (bpwm)->CAPINEN &= ~u32ChannelMask; (bpwm)->CAPCTL &= ~u32ChannelMask; } /** * @brief Enables BPWM output generation of selected channel(s) * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelMask Combination of enabled channels. Each bit corresponds to a channel. * Set bit 0 to 1 enables channel 0 output, set bit 1 to 1 enables channel 1 output... * @return None * @details This function is used to enables BPWM output generation of selected channel(s) */ void BPWM_EnableOutput(BPWM_T *bpwm, uint32_t u32ChannelMask) { (bpwm)->POEN |= u32ChannelMask; } /** * @brief Disables BPWM output generation of selected channel(s) * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelMask Combination of enabled channels. Each bit corresponds to a channel * Set bit 0 to 1 disables channel 0 output, set bit 1 to 1 disables channel 1 output... * @return None * @details This function is used to disables BPWM output generation of selected channel(s) */ void BPWM_DisableOutput(BPWM_T *bpwm, uint32_t u32ChannelMask) { (bpwm)->POEN &= ~u32ChannelMask; } /** * @brief Enable capture interrupt of selected channel. * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. Valid values are between 0~5 * @param[in] u32Edge Rising or falling edge to latch counter. * - \ref BPWM_CAPTURE_INT_RISING_LATCH * - \ref BPWM_CAPTURE_INT_FALLING_LATCH * @return None * @details This function is used to enable capture interrupt of selected channel. */ void BPWM_EnableCaptureInt(BPWM_T *bpwm, uint32_t u32ChannelNum, uint32_t u32Edge) { (bpwm)->CAPIEN |= (u32Edge << u32ChannelNum); } /** * @brief Disable capture interrupt of selected channel. * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. Valid values are between 0~5 * @param[in] u32Edge Rising or falling edge to latch counter. * - \ref BPWM_CAPTURE_INT_RISING_LATCH * - \ref BPWM_CAPTURE_INT_FALLING_LATCH * @return None * @details This function is used to disable capture interrupt of selected channel. */ void BPWM_DisableCaptureInt(BPWM_T *bpwm, uint32_t u32ChannelNum, uint32_t u32Edge) { (bpwm)->CAPIEN &= ~(u32Edge << u32ChannelNum); } /** * @brief Clear capture interrupt of selected channel. * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. Valid values are between 0~5 * @param[in] u32Edge Rising or falling edge to latch counter. * - \ref BPWM_CAPTURE_INT_RISING_LATCH * - \ref BPWM_CAPTURE_INT_FALLING_LATCH * @return None * @details This function is used to clear capture interrupt of selected channel. */ void BPWM_ClearCaptureIntFlag(BPWM_T *bpwm, uint32_t u32ChannelNum, uint32_t u32Edge) { (bpwm)->CAPIF = (u32Edge << u32ChannelNum); } /** * @brief Get capture interrupt of selected channel. * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. Valid values are between 0~5 * @retval 0 No capture interrupt * @retval 1 Rising edge latch interrupt * @retval 2 Falling edge latch interrupt * @retval 3 Rising and falling latch interrupt * @details This function is used to get capture interrupt of selected channel. */ uint32_t BPWM_GetCaptureIntFlag(BPWM_T *bpwm, uint32_t u32ChannelNum) { uint32_t u32CapIf = 0UL; u32CapIf = ((((bpwm)->CAPIF & (BYTE1_Msk << u32ChannelNum)) ? 1UL : 0UL) << 1); u32CapIf |= (((bpwm)->CAPIF & (BYTE0_Msk << u32ChannelNum)) ? 1UL : 0UL); return u32CapIf; } /** * @brief Enable duty interrupt of selected channel * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. Valid values are between 0~5 * @param[in] u32IntDutyType Duty interrupt type, could be either * - \ref BPWM_DUTY_INT_DOWN_COUNT_MATCH_CMP * - \ref BPWM_DUTY_INT_UP_COUNT_MATCH_CMP * @return None * @details This function is used to enable duty interrupt of selected channel. */ void BPWM_EnableDutyInt(BPWM_T *bpwm, uint32_t u32ChannelNum, uint32_t u32IntDutyType) { (bpwm)->INTEN |= (u32IntDutyType << u32ChannelNum); } /** * @brief Disable duty interrupt of selected channel * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. Valid values are between 0~5 * @return None * @details This function is used to disable duty interrupt of selected channel */ void BPWM_DisableDutyInt(BPWM_T *bpwm, uint32_t u32ChannelNum) { (bpwm)->INTEN &= ~(uint32_t)((BPWM_DUTY_INT_DOWN_COUNT_MATCH_CMP | BPWM_DUTY_INT_UP_COUNT_MATCH_CMP) << u32ChannelNum); } /** * @brief Clear duty interrupt flag of selected channel * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. Valid values are between 0~5 * @return None * @details This function is used to clear duty interrupt flag of selected channel */ void BPWM_ClearDutyIntFlag(BPWM_T *bpwm, uint32_t u32ChannelNum) { (bpwm)->INTSTS = (BYTE2_Msk | BYTE3_Msk) << u32ChannelNum; } /** * @brief Get duty interrupt flag of selected channel * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. Valid values are between 0~5 * @return Duty interrupt flag of specified channel * @retval 0 Duty interrupt did not occur * @retval 1 Duty interrupt occurred * @details This function is used to get duty interrupt flag of selected channel */ uint32_t BPWM_GetDutyIntFlag(BPWM_T *bpwm, uint32_t u32ChannelNum) { return ((((bpwm)->INTSTS & ((BYTE2_Msk | BYTE3_Msk) << u32ChannelNum))) ? 1UL : 0UL); } /** * @brief Enable period interrupt of selected channel * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. This parameter is not used. * @param[in] u32IntPeriodType Period interrupt type. This parameter is not used. * @return None * @details This function is used to enable period interrupt of selected channel. All channels share channel 0's setting. */ void BPWM_EnablePeriodInt(BPWM_T *bpwm, uint32_t u32ChannelNum, uint32_t u32IntPeriodType) { (void)u32ChannelNum; (void)u32IntPeriodType; (bpwm)->INTEN |= BPWM_INTEN_PIEN0_Msk; } /** * @brief Disable period interrupt of selected channel * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. This parameter is not used. * @return None * @details This function is used to disable period interrupt of selected channel. All channels share channel 0's setting. */ void BPWM_DisablePeriodInt(BPWM_T *bpwm, uint32_t u32ChannelNum) { (void)u32ChannelNum; (bpwm)->INTEN &= ~BPWM_INTEN_PIEN0_Msk; } /** * @brief Clear period interrupt of selected channel * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. This parameter is not used. * @return None * @details This function is used to clear period interrupt of selected channel All channels share channel 0's setting. */ void BPWM_ClearPeriodIntFlag(BPWM_T *bpwm, uint32_t u32ChannelNum) { (void)u32ChannelNum; (bpwm)->INTSTS = BPWM_INTSTS_PIF0_Msk; } /** * @brief Get period interrupt of selected channel * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. This parameter is not used. * @return Period interrupt flag of specified channel * @retval 0 Period interrupt did not occur * @retval 1 Period interrupt occurred * @details This function is used to get period interrupt of selected channel All channels share channel 0's setting. */ uint32_t BPWM_GetPeriodIntFlag(BPWM_T *bpwm, uint32_t u32ChannelNum) { (void)u32ChannelNum; return (((bpwm)->INTSTS & BPWM_INTSTS_PIF0_Msk) ? 1UL : 0UL); } /** * @brief Enable zero interrupt of selected channel * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. This parameter is not used. * @return None * @details This function is used to enable zero interrupt of selected channel. All channels share channel 0's setting. */ void BPWM_EnableZeroInt(BPWM_T *bpwm, uint32_t u32ChannelNum) { (void)u32ChannelNum; (bpwm)->INTEN |= BPWM_INTEN_ZIEN0_Msk; } /** * @brief Disable zero interrupt of selected channel * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. This parameter is not used. * @return None * @details This function is used to disable zero interrupt of selected channel. All channels share channel 0's setting. */ void BPWM_DisableZeroInt(BPWM_T *bpwm, uint32_t u32ChannelNum) { (void)u32ChannelNum; (bpwm)->INTEN &= ~BPWM_INTEN_ZIEN0_Msk; } /** * @brief Clear zero interrupt of selected channel * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. This parameter is not used. * @return None * @details This function is used to clear zero interrupt of selected channel. All channels share channel 0's setting. */ void BPWM_ClearZeroIntFlag(BPWM_T *bpwm, uint32_t u32ChannelNum) { (void)u32ChannelNum; (bpwm)->INTSTS = BPWM_INTSTS_ZIF0_Msk; } /** * @brief Get zero interrupt of selected channel * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. This parameter is not used. * @return zero interrupt flag of specified channel * @retval 0 zero interrupt did not occur * @retval 1 zero interrupt occurred * @details This function is used to get zero interrupt of selected channel. All channels share channel 0's setting. */ uint32_t BPWM_GetZeroIntFlag(BPWM_T *bpwm, uint32_t u32ChannelNum) { (void)u32ChannelNum; return (((bpwm)->INTSTS & BPWM_INTSTS_ZIF0_Msk) ? 1UL : 0UL); } /** * @brief Enable load mode of selected channel * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. Valid values are between 0~5 * @param[in] u32LoadMode BPWM counter loading mode. * - \ref BPWM_LOAD_MODE_IMMEDIATE * - \ref BPWM_LOAD_MODE_CENTER * @return None * @details This function is used to enable load mode of selected channel. */ void BPWM_EnableLoadMode(BPWM_T *bpwm, uint32_t u32ChannelNum, uint32_t u32LoadMode) { (bpwm)->CTL0 |= (u32LoadMode << u32ChannelNum); } /** * @brief Disable load mode of selected channel * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. Valid values are between 0~5 * @param[in] u32LoadMode BPWM counter loading mode. * - \ref BPWM_LOAD_MODE_IMMEDIATE * - \ref BPWM_LOAD_MODE_CENTER * @return None * @details This function is used to disable load mode of selected channel. */ void BPWM_DisableLoadMode(BPWM_T *bpwm, uint32_t u32ChannelNum, uint32_t u32LoadMode) { (bpwm)->CTL0 &= ~(u32LoadMode << u32ChannelNum); } /** * @brief Set BPWM clock source * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. This parameter is not used. * @param[in] u32ClkSrcSel BPWM external clock source. * - \ref BPWM_CLKSRC_BPWM_CLK * - \ref BPWM_CLKSRC_TIMER0 * - \ref BPWM_CLKSRC_TIMER1 * - \ref BPWM_CLKSRC_TIMER2 * - \ref BPWM_CLKSRC_TIMER3 * @return None * @details This function is used to set BPWM clock source. All channels share channel 0's setting. */ void BPWM_SetClockSource(BPWM_T *bpwm, uint32_t u32ChannelNum, uint32_t u32ClkSrcSel) { (void)u32ChannelNum; (bpwm)->CLKSRC = (u32ClkSrcSel); } /** * @brief Get the time-base counter reached its maximum value flag of selected channel * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. This parameter is not used. * @return Count to max interrupt flag of specified channel * @retval 0 Count to max interrupt did not occur * @retval 1 Count to max interrupt occurred * @details This function is used to get the time-base counter reached its maximum value flag of selected channel. All channels share channel 0's setting. */ uint32_t BPWM_GetWrapAroundFlag(BPWM_T *bpwm, uint32_t u32ChannelNum) { (void)u32ChannelNum; return (((bpwm)->STATUS & BPWM_STATUS_CNTMAX0_Msk) ? 1UL : 0UL); } /** * @brief Clear the time-base counter reached its maximum value flag of selected channel * @param[in] bpwm The pointer of the specified BPWM module * - BPWM0 : BPWM Group 0 * - BPWM1 : BPWM Group 1 * @param[in] u32ChannelNum BPWM channel number. This parameter is not used. * @return None * @details This function is used to clear the time-base counter reached its maximum value flag of selected channel. All channels share channel 0's setting. */ void BPWM_ClearWrapAroundFlag(BPWM_T *bpwm, uint32_t u32ChannelNum) { (void)u32ChannelNum; (bpwm)->STATUS = BPWM_STATUS_CNTMAX0_Msk; } /*@}*/ /* end of group BPWM_EXPORTED_FUNCTIONS */ /*@}*/ /* end of group BPWM_Driver */ /*@}*/ /* end of group Standard_Driver */