Diff: mbed-os/targets/TARGET_NUVOTON/TARGET_M480/device/StdDriver/m480_bpwm.c

Revision:

1:9c5af431a1f1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os/targets/TARGET_NUVOTON/TARGET_M480/device/StdDriver/m480_bpwm.c	Tue May 01 15:47:08 2018 +0000
@@ -0,0 +1,703 @@
+/**************************************************************************//**
+ * @file     bpwm.c
+ * @version  V1.00
+ * @brief    M480 series BPWM driver source file
+ *
+ * @copyright (C) 2016 Nuvoton Technology Corp. All rights reserved.
+*****************************************************************************/
+#include "M480.h"
+
+/** @addtogroup M480_Device_Driver M480 Device Driver
+  @{
+*/
+
+/** @addtogroup M480_BPWM_Driver BPWM Driver
+  @{
+*/
+
+
+/** @addtogroup M480_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 u32Src;
+    uint32_t u32PWMClockSrc;
+    uint32_t u32NearestUnitTimeNsec;
+    uint16_t u16Prescale = 1U, u16CNR = 0xFFFFU;
+
+    if(bpwm == BPWM0) {
+        u32Src = CLK->CLKSEL2 & CLK_CLKSEL2_BPWM0SEL_Msk;
+    } else { /* (bpwm == BPWM1) */
+        u32Src = CLK->CLKSEL2 & CLK_CLKSEL2_BPWM1SEL_Msk;
+    }
+
+    if(u32Src == 0U) {
+        /* clock source is from PLL clock */
+        u32PWMClockSrc = CLK_GetPLLClockFreq();
+    } else {
+        /* clock source is from PCLK */
+        SystemCoreClockUpdate();
+        if(bpwm == BPWM0) {
+            u32PWMClockSrc = CLK_GetPCLK0Freq();
+        } else {/* (bpwm == BPWM1) */
+            u32PWMClockSrc = CLK_GetPCLK1Freq();
+        }
+    }
+
+    u32PWMClockSrc /= 1000UL;
+    for(u16Prescale = 1U; u16Prescale <= 0x1000U; u16Prescale++) {
+        uint32_t u32Exit = 0U;
+        u32NearestUnitTimeNsec = (1000000UL * u16Prescale) / u32PWMClockSrc;
+        if(u32NearestUnitTimeNsec < u32UnitTimeNsec) {
+            if (u16Prescale == 0x1000U) { /* limit to the maximum unit time(nano second) */
+                u32Exit = 1U;
+            } else {
+                u32Exit = 0U;
+            }
+            if (!(1000000UL * (u16Prescale + 1UL) > (u32NearestUnitTimeNsec * u32PWMClockSrc))) {
+                u32Exit = 1U;
+            } else {
+                u32Exit = 0U;
+            }
+        } else {
+            u32Exit = 1U;
+        }
+        if (u32Exit == 1U) {
+            break;
+        } else {}
+    }
+
+    /* convert to real register value */
+    /* all channels share a prescaler */
+    u16Prescale -= 1U;
+    BPWM_SET_PRESCALER(bpwm, u32ChannelNum, u16Prescale);
+
+    /* set BPWM to down count type(edge aligned) */
+    (bpwm)->CTL1 = (1UL);
+
+    BPWM_SET_CNR(bpwm, u32ChannelNum, u16CNR);
+
+    return (u32NearestUnitTimeNsec);
+}
+
+/**
+ * @brief This function Configure BPWM generator and get the nearest frequency in edge aligned 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
+ * @note Since all channels shares a prescaler. Call this API to configure BPWM frequency may affect
+ *       existing frequency of other channel.
+ */
+uint32_t BPWM_ConfigOutputChannel(BPWM_T *bpwm, uint32_t u32ChannelNum, uint32_t u32Frequency, uint32_t u32DutyCycle)
+{
+    uint32_t u32Src;
+    uint32_t u32PWMClockSrc;
+    uint32_t i;
+    uint32_t u32Prescale = 1U, u32CNR = 0xFFFFU;
+
+    if(bpwm == BPWM0) {
+        u32Src = CLK->CLKSEL2 & CLK_CLKSEL2_BPWM0SEL_Msk;
+    } else { /* (bpwm == BPWM1) */
+        u32Src = CLK->CLKSEL2 & CLK_CLKSEL2_BPWM1SEL_Msk;
+    }
+
+    if(u32Src == 0U) {
+        /* clock source is from PLL clock */
+        u32PWMClockSrc = CLK_GetPLLClockFreq();
+    } else {
+        /* clock source is from PCLK */
+        SystemCoreClockUpdate();
+        if(bpwm == BPWM0) {
+            u32PWMClockSrc = CLK_GetPCLK0Freq();
+        } else { /* (bpwm == BPWM1) */
+            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 u16Prescale & u16CNR to the real value to fill into register */
+    i = u32PWMClockSrc / (u32Prescale * u32CNR);
+
+    /* convert to real register value */
+    /* all channels share a prescaler */
+    u32Prescale -= 1U;
+    BPWM_SET_PRESCALER(bpwm, u32ChannelNum, u32Prescale);
+    /* set BPWM to down count type(edge aligned) */
+    (bpwm)->CTL1 = (1UL);
+
+    u32CNR -= 1U;
+    BPWM_SET_CNR(bpwm, u32ChannelNum, u32CNR);
+    if(u32DutyCycle) {
+        BPWM_SET_CMR(bpwm, u32ChannelNum, u32DutyCycle * (u32CNR + 1UL) / 100UL - 1UL);
+        (bpwm)->WGCTL0 &= ~((BPWM_WGCTL0_PRDPCTLn_Msk | BPWM_WGCTL0_ZPCTLn_Msk) << (u32ChannelNum * 2U));
+        (bpwm)->WGCTL0 |= (BPWM_OUTPUT_LOW << ((u32ChannelNum * (2U)) + (uint32_t)BPWM_WGCTL0_PRDPCTLn_Pos));
+        (bpwm)->WGCTL1 &= ~((BPWM_WGCTL1_CMPDCTLn_Msk | BPWM_WGCTL1_CMPUCTLn_Msk) << (u32ChannelNum * 2U));
+        (bpwm)->WGCTL1 |= (BPWM_OUTPUT_HIGH << (u32ChannelNum * (2U) + (uint32_t)BPWM_WGCTL1_CMPDCTLn_Pos));
+    } else {
+        BPWM_SET_CMR(bpwm, u32ChannelNum, 0U);
+        (bpwm)->WGCTL0 &= ~((BPWM_WGCTL0_PRDPCTLn_Msk | BPWM_WGCTL0_ZPCTLn_Msk) << (u32ChannelNum * 2U));
+        (bpwm)->WGCTL0 |= (BPWM_OUTPUT_LOW << (u32ChannelNum * 2U + (uint32_t)BPWM_WGCTL0_ZPCTLn_Pos));
+        (bpwm)->WGCTL1 &= ~((BPWM_WGCTL1_CMPDCTLn_Msk | BPWM_WGCTL1_CMPUCTLn_Msk) << (u32ChannelNum * 2U));
+        (bpwm)->WGCTL1 |= (BPWM_OUTPUT_HIGH << (u32ChannelNum * 2U + (uint32_t)BPWM_WGCTL1_CMPDCTLn_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.
+ * @note All channels share one counter.
+ */
+void BPWM_Start(BPWM_T *bpwm, uint32_t 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.
+ * @note All channels share one period.
+ */
+void BPWM_Stop(BPWM_T *bpwm, uint32_t u32ChannelMask)
+{
+    (bpwm)->PERIOD = 0U;
+}
+
+/**
+ * @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.
+ * @note All channels share one counter.
+ */
+void BPWM_ForceStop(BPWM_T *bpwm, uint32_t u32ChannelMask)
+{
+    (bpwm)->CNTEN &= ~BPWM_CNTEN_CNTEN0_Msk;
+}
+
+/**
+ * @brief Enable selected channel to trigger EADC
+ * @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 EADC. Combination of following conditions:
+ *                  - \ref BPWM_TRIGGER_EADC_EVEN_ZERO_POINT
+ *                  - \ref BPWM_TRIGGER_EADC_EVEN_PERIOD_POINT
+ *                  - \ref BPWM_TRIGGER_EADC_EVEN_ZERO_OR_PERIOD_POINT
+ *                  - \ref BPWM_TRIGGER_EADC_EVEN_CMP_UP_COUNT_POINT
+ *                  - \ref BPWM_TRIGGER_EADC_EVEN_CMP_DOWN_COUNT_POINT
+ *                  - \ref BPWM_TRIGGER_EADC_ODD_CMP_UP_COUNT_POINT
+ *                  - \ref BPWM_TRIGGER_EADC_ODD_CMP_DOWN_COUNT_POINT
+ * @return None
+ * @details This function is used to enable selected channel to trigger EADC
+ */
+void BPWM_EnableEADCTrigger(BPWM_T *bpwm, uint32_t u32ChannelNum, uint32_t u32Condition)
+{
+    if(u32ChannelNum < 4U) {
+        (bpwm)->EADCTS0 &= ~((BPWM_EADCTS0_TRGSEL0_Msk) << (u32ChannelNum * 8U));
+        (bpwm)->EADCTS0 |= ((BPWM_EADCTS0_TRGEN0_Msk | u32Condition) << (u32ChannelNum * 8U));
+    } else {
+        (bpwm)->EADCTS1 &= ~((BPWM_EADCTS1_TRGSEL4_Msk) << ((u32ChannelNum - 4U) * 8U));
+        (bpwm)->EADCTS1 |= ((BPWM_EADCTS1_TRGEN4_Msk | u32Condition) << ((u32ChannelNum - 4U) * 8U));
+    }
+}
+
+/**
+ * @brief Disable selected channel to trigger EADC
+ * @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 EADC
+ */
+void BPWM_DisableEADCTrigger(BPWM_T *bpwm, uint32_t u32ChannelNum)
+{
+    if(u32ChannelNum < 4U) {
+        (bpwm)->EADCTS0 &= ~(BPWM_EADCTS0_TRGEN0_Msk << (u32ChannelNum * 8U));
+    } else {
+        (bpwm)->EADCTS1 &= ~(BPWM_EADCTS1_TRGEN4_Msk << ((u32ChannelNum - 4U) * 8U));
+    }
+}
+
+/**
+ * @brief Clear selected channel trigger EADC 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 EADC flag
+ */
+void BPWM_ClearEADCTriggerFlag(BPWM_T *bpwm, uint32_t u32ChannelNum, uint32_t u32Condition)
+{
+    (bpwm)->STATUS = (BPWM_STATUS_EADCTRGn_Msk << u32ChannelNum);
+}
+
+/**
+ * @brief Get selected channel trigger EADC 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 EADC to start of conversion flag is not set
+ * @retval 1 The specified channel trigger EADC to start of conversion flag is set
+ * @details This function is used to get BPWM trigger EADC to start of conversion flag for specified channel
+ */
+uint32_t BPWM_GetEADCTriggerFlag(BPWM_T *bpwm, uint32_t u32ChannelNum)
+{
+    return (((bpwm)->STATUS & (BPWM_STATUS_EADCTRGn_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)
+{
+    return (((((bpwm)->CAPIF & (BPWM_CAPIF_CAPFIFn_Msk << u32ChannelNum)) ? 1UL : 0UL) << 1) | \
+            (((bpwm)->CAPIF & (BPWM_CAPIF_CAPRIFn_Msk << u32ChannelNum)) ? 1UL : 0UL));
+}
+/**
+ * @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 = (BPWM_INTSTS_CMPUIFn_Msk | BPWM_INTSTS_CMPDIFn_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 & ((BPWM_INTSTS_CMPDIFn_Msk | BPWM_INTSTS_CMPUIFn_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.
+ * @note All channels share channel 0's setting.
+ */
+void BPWM_EnablePeriodInt(BPWM_T *bpwm, uint32_t u32ChannelNum,  uint32_t 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.
+ * @note All channels share channel 0's setting.
+ */
+void BPWM_DisablePeriodInt(BPWM_T *bpwm, uint32_t 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
+ * @note All channels share channel 0's setting.
+ */
+void BPWM_ClearPeriodIntFlag(BPWM_T *bpwm, uint32_t 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
+ * @note All channels share channel 0's setting.
+ */
+uint32_t BPWM_GetPeriodIntFlag(BPWM_T *bpwm, uint32_t 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.
+ * @note All channels share channel 0's setting.
+ */
+void BPWM_EnableZeroInt(BPWM_T *bpwm, uint32_t 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.
+ * @note All channels share channel 0's setting.
+ */
+void BPWM_DisableZeroInt(BPWM_T *bpwm, uint32_t 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.
+ * @note All channels share channel 0's setting.
+ */
+void BPWM_ClearZeroIntFlag(BPWM_T *bpwm, uint32_t 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.
+ * @note All channels share channel 0's setting.
+ */
+uint32_t BPWM_GetZeroIntFlag(BPWM_T *bpwm, uint32_t 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 PWM 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 Enable BPWM SYNC input pin inverse function
+ * @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 enable BPWM SYNC input pin inverse function.
+ * @note All channels share channel 0's setting.
+ */
+void BPWM_SetClockSource(BPWM_T *bpwm, uint32_t u32ChannelNum, uint32_t u32ClkSrcSel)
+{
+    (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.
+ * @note All channels share channel 0's setting.
+ */
+uint32_t BPWM_GetWrapAroundFlag(BPWM_T *bpwm, uint32_t 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.
+ * @note All channels share channel 0's setting.
+ */
+void BPWM_ClearWrapAroundFlag(BPWM_T *bpwm, uint32_t u32ChannelNum)
+{
+    (bpwm)->STATUS = BPWM_STATUS_CNTMAX0_Msk;
+}
+
+
+/*@}*/ /* end of group M480_BPWM_EXPORTED_FUNCTIONS */
+
+/*@}*/ /* end of group M480_BPWM_Driver */
+
+/*@}*/ /* end of group M480_Device_Driver */
+
+/*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/