diff options
Diffstat (limited to 'lib/hc32f460/driver/src/hc32f460_timer4_pwm.c')
| -rw-r--r-- | lib/hc32f460/driver/src/hc32f460_timer4_pwm.c | 596 |
1 files changed, 596 insertions, 0 deletions
diff --git a/lib/hc32f460/driver/src/hc32f460_timer4_pwm.c b/lib/hc32f460/driver/src/hc32f460_timer4_pwm.c new file mode 100644 index 00000000..fb4090a8 --- /dev/null +++ b/lib/hc32f460/driver/src/hc32f460_timer4_pwm.c @@ -0,0 +1,596 @@ +/*******************************************************************************
+ * Copyright (C) 2020, Huada Semiconductor Co., Ltd. All rights reserved.
+ *
+ * This software component is licensed by HDSC under BSD 3-Clause license
+ * (the "License"); You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ */
+/******************************************************************************/
+/** \file hc32f460_timer4_pwm.c
+ **
+ ** A detailed description is available at
+ ** @link Timer4PwmGroup Timer4PWM description @endlink
+ **
+ ** - 2018-11-02 CDT First version for Device Driver Library of Timer4PWM.
+ **
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Include files
+ ******************************************************************************/
+#include "hc32f460_timer4_pwm.h"
+#include "hc32f460_utility.h"
+
+/**
+ *******************************************************************************
+ ** \addtogroup Timer4PwmGroup
+ ******************************************************************************/
+
+//@{
+
+/*******************************************************************************
+ * Local type definitions ('typedef')
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Local pre-processor symbols/macros ('#define')
+ ******************************************************************************/
+
+/*!< Parameter validity check for Timer4 unit */
+#define IS_VALID_TIMER4(__TMRx__) \
+( (M4_TMR41 == (__TMRx__)) || \
+ (M4_TMR42 == (__TMRx__)) || \
+ (M4_TMR43 == (__TMRx__)))
+
+/*!< Parameter validity check for PWM channel */
+#define IS_VALID_PWM_CH(x) \
+( (Timer4PwmU == (x)) || \
+ (Timer4PwmV == (x)) || \
+ (Timer4PwmW == (x)))
+
+/*!< Parameter validity check for PWM mode */
+#define IS_VALID_PWM_MODE(x) \
+( (PwmThroughMode == (x)) || \
+ (PwmDeadTimerMode == (x)) || \
+ (PwmDeadTimerFilterMode == (x)))
+
+/*!< Parameter valid check for PWM output state. */
+#define IS_VALID_PWM_OUTPUT_STATE(x) \
+( (PwmHPwmLHold == (x)) || \
+ (PwmHPwmLReverse == (x)) || \
+ (PwmHReversePwmLHold == (x)) || \
+ (PwmHHoldPwmLReverse == (x)))
+
+/*!< Parameter valid check for PWM clock division. */
+#define IS_VALID_PWM_CLK_DIV(x) \
+( (PwmPlckDiv1 == (x)) || \
+ (PwmPlckDiv2 == (x)) || \
+ (PwmPlckDiv4 == (x)) || \
+ (PwmPlckDiv8 == (x)) || \
+ (PwmPlckDiv16 == (x)) || \
+ (PwmPlckDiv32 == (x)) || \
+ (PwmPlckDiv64 == (x)) || \
+ (PwmPlckDiv128 == (x)))
+
+/*!< Get the specified register address of the specified Timer4 unit */
+#define TMR4_RCSRx(__TMR4x__) ((uint32_t)&(__TMR4x__)->RCSR)
+#define TMR4_POCRx(__TMR4x__, __CH__) ((uint32_t)&(__TMR4x__)->POCRU + ((uint32_t)(__CH__))*4ul)
+#define TMR4_PDARx(__TMR4x__, __CH__) ((uint32_t)&(__TMR4x__)->PDARU + ((uint32_t)(__CH__))*8ul)
+#define TMR4_PDBRx(__TMR4x__, __CH__) ((uint32_t)&(__TMR4x__)->PDBRU + ((uint32_t)(__CH__))*8ul)
+#define TMR4_PFSRx(__TMR4x__, __CH__) ((uint32_t)&(__TMR4x__)->PFSRU + ((uint32_t)(__CH__))*8ul)
+
+/*******************************************************************************
+ * Global variable definitions (declared in header file with 'extern')
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Local function prototypes ('static')
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Local variable definitions ('static')
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Function implementation - global ('extern') and local ('static')
+ ******************************************************************************/
+
+/**
+ *******************************************************************************
+ ** \brief Initialize a couple PWM channels
+ **
+ ** \param [in] TMR4x Pointer to Timer4 instance register base
+ ** \arg M4_TMR41 Timer4 unit 1 instance register base
+ ** \arg M4_TMR42 Timer4 unit 2 instance register base
+ ** \arg M4_TMR43 Timer4 unit 3 instance register base
+ ** \param [in] enCh Channel of PWM
+ ** \arg Timer4PwmOuhl Timer4 PWM couple channel OUH&OUL
+ ** \arg Timer4PwmOvhl Timer4 PWM couple channel OVH&OVL
+ ** \arg Timer4PwmOwhl Timer4 PWM couple channel OWH&OWL
+ ** \param [in] pstcInitCfg The pointer of PWM configure structure
+ ** \arg This parameter detail refer @ref stc_timer4_pwm_init_t
+ **
+ ** \retval Ok Initialize successfully
+ ** \retval ErrorInvalidParameter If one of following conditions are met:
+ ** - TMR4x is invalid
+ ** - pstcInitCfg == NULL
+ ** - enCh is invalid
+ ** - Other invalid configuration
+ **
+ ******************************************************************************/
+en_result_t TIMER4_PWM_Init(M4_TMR4_TypeDef *TMR4x,
+ en_timer4_pwm_ch_t enCh,
+ const stc_timer4_pwm_init_t *pstcInitCfg)
+{
+ __IO stc_tmr4_pocr_field_t *pstcPOCR_f = NULL;
+ __IO stc_tmr4_rcsr_field_t *pstcRCSR_f = NULL;
+ en_result_t enRet = Ok;
+
+ /* Check TMR4x && pstcInitCfg pointer */
+ if ((IS_VALID_TIMER4(TMR4x)) && (NULL != pstcInitCfg))
+ {
+ /* Check parameters */
+ DDL_ASSERT(IS_VALID_PWM_MODE(pstcInitCfg->enMode));
+ DDL_ASSERT(IS_VALID_PWM_CLK_DIV(pstcInitCfg->enClkDiv));
+ DDL_ASSERT(IS_FUNCTIONAL_STATE(pstcInitCfg->enRtIntMaskCmd));
+ DDL_ASSERT(IS_VALID_PWM_OUTPUT_STATE(pstcInitCfg->enOutputState));
+
+ /* Get pointer of current channel PWM register address */
+ pstcRCSR_f = (__IO stc_tmr4_rcsr_field_t*)TMR4_RCSRx(TMR4x);
+ pstcPOCR_f = (__IO stc_tmr4_pocr_field_t*)TMR4_POCRx(TMR4x, enCh);
+
+ /* Configure PWM mode */
+ pstcPOCR_f->PWMMD = (uint16_t)(pstcInitCfg->enMode);
+
+ /* Configure PWM mode */
+ pstcPOCR_f->LVLS = (uint16_t)(pstcInitCfg->enOutputState);
+
+ /* Set timer clock division */
+ pstcPOCR_f->DIVCK = (uint16_t)(pstcInitCfg->enClkDiv);
+
+ /* Set interrupt mask */
+ switch (enCh)
+ {
+ case Timer4PwmU:
+ pstcRCSR_f->RTIDU = (uint16_t)(pstcInitCfg->enRtIntMaskCmd);
+ break;
+ case Timer4PwmV:
+ pstcRCSR_f->RTIDV = (uint16_t)(pstcInitCfg->enRtIntMaskCmd);
+ break;
+ case Timer4PwmW:
+ pstcRCSR_f->RTIDW = (uint16_t)(pstcInitCfg->enRtIntMaskCmd);
+ break;
+ default:
+ enRet = ErrorInvalidParameter;
+ break;
+ }
+ }
+ else
+ {
+ enRet = ErrorInvalidParameter;
+ }
+
+ return enRet;
+}
+
+/**
+ *******************************************************************************
+ ** \brief De-Initialize a couple PWM channels
+ **
+ ** \param [in] TMR4x Pointer to Timer4 instance register base
+ ** \arg M4_TMR41 Timer4 unit 1 instance register base
+ ** \arg M4_TMR42 Timer4 unit 2 instance register base
+ ** \arg M4_TMR43 Timer4 unit 3 instance register base
+ ** \param [in] enCh Channel of PWM
+ ** \arg Timer4PwmOuhl Timer4 PWM couple channel OUH&OUL
+ ** \arg Timer4PwmOvhl Timer4 PWM couple channel OVH&OVL
+ ** \arg Timer4PwmOwhl Timer4 PWM couple channel OWH&OWL
+ **
+ ** \retval Ok De-Initialize successfully.
+ ** \retval ErrorInvalidParameter If one of following conditions are met:
+ ** - TMR4x is invalid
+ ** - enCh out of range
+ **
+ ******************************************************************************/
+en_result_t TIMER4_PWM_DeInit(M4_TMR4_TypeDef *TMR4x,
+ en_timer4_pwm_ch_t enCh)
+{
+ en_result_t enRet = Ok;
+ __IO uint16_t *pu16PDAR = NULL;
+ __IO uint16_t *pu16PDBR = NULL;
+ __IO uint16_t *pu16PFSR = NULL;
+ __IO stc_tmr4_pocr_field_t *pstcPOCR_f = NULL;
+ __IO stc_tmr4_rcsr_field_t *pstcRCSR_f = NULL;
+
+ /* Check TMR4x pointer */
+ if (IS_VALID_TIMER4(TMR4x))
+ {
+ /* Get pointer of current channel PWM register address */
+ pu16PDAR = (__IO uint16_t*)TMR4_PDARx(TMR4x, enCh);
+ pu16PDBR = (__IO uint16_t*)TMR4_PDBRx(TMR4x, enCh);
+ pu16PFSR = (__IO uint16_t*)TMR4_PFSRx(TMR4x, enCh);
+ pstcRCSR_f = (__IO stc_tmr4_rcsr_field_t*)TMR4_RCSRx(TMR4x);
+ pstcPOCR_f = (__IO stc_tmr4_pocr_field_t*)TMR4_POCRx(TMR4x, enCh);
+
+ *pu16PDAR = (uint16_t)0u;
+ *pu16PDBR = (uint16_t)0u;
+ *pu16PFSR = (uint16_t)0u;
+ pstcPOCR_f->DIVCK = (uint16_t)0u;
+ pstcPOCR_f->LVLS = (uint16_t)0u;
+ pstcPOCR_f->PWMMD = (uint16_t)0u;
+
+ switch (enCh)
+ {
+ case Timer4PwmU:
+ pstcRCSR_f->RTIDU = (uint16_t)0u;
+ break;
+ case Timer4PwmV:
+ pstcRCSR_f->RTIDV = (uint16_t)0u;
+ break;
+ case Timer4PwmW:
+ pstcRCSR_f->RTIDW = (uint16_t)0u;
+ break;
+ default:
+ enRet = ErrorInvalidParameter;
+ break;
+ }
+ }
+ else
+ {
+ enRet = ErrorInvalidParameter;
+ }
+
+ return enRet;
+}
+
+/**
+ *******************************************************************************
+ ** \brief Start PWM timer
+ **
+ ** \param [in] TMR4x Pointer to Timer4 instance register base
+ ** \arg M4_TMR41 Timer4 unit 1 instance register base
+ ** \arg M4_TMR42 Timer4 unit 2 instance register base
+ ** \arg M4_TMR43 Timer4 unit 3 instance register base
+ ** \param [in] enCh Channel of PWM
+ ** \arg Timer4PwmOuhl Timer4 PWM couple channel OUH&OUL
+ ** \arg Timer4PwmOvhl Timer4 PWM couple channel OVH&OVL
+ ** \arg Timer4PwmOwhl Timer4 PWM couple channel OWH&OWL
+ **
+ ** \retval Ok Start timer successfully
+ ** \retval ErrorInvalidParameter If one of following conditions are met:
+ ** - TMR4x is invalid
+ ** - enCh out of range
+ **
+ ******************************************************************************/
+en_result_t TIMER4_PWM_StartTimer(M4_TMR4_TypeDef *TMR4x,
+ en_timer4_pwm_ch_t enCh)
+{
+ en_result_t enRet = ErrorInvalidParameter;
+ __IO stc_tmr4_rcsr_field_t *pstcRCSR_f = NULL;
+
+ /* Check TMR4x pointer */
+ if (IS_VALID_TIMER4(TMR4x))
+ {
+ enRet = Ok;
+ /* Get pointer of current channel PWM register address */
+ pstcRCSR_f = (__IO stc_tmr4_rcsr_field_t*)TMR4_RCSRx(TMR4x);
+
+ switch (enCh)
+ {
+ case Timer4PwmU:
+ pstcRCSR_f->RTEU = (uint16_t)1u;
+ break;
+ case Timer4PwmV:
+ pstcRCSR_f->RTEV = (uint16_t)1u;
+ break;
+ case Timer4PwmW:
+ pstcRCSR_f->RTEW = (uint16_t)1u;
+ break;
+ default:
+ enRet = ErrorInvalidParameter;
+ break;
+ }
+ }
+
+ return enRet;
+}
+
+/**
+ *******************************************************************************
+ ** \brief Stop PWM timer
+ **
+ ** \param [in] TMR4x Pointer to Timer4 instance register base
+ ** \arg M4_TMR41 Timer4 unit 1 instance register base
+ ** \arg M4_TMR42 Timer4 unit 2 instance register base
+ ** \arg M4_TMR43 Timer4 unit 3 instance register base
+ ** \param [in] enCh Channel of PWM
+ ** \arg Timer4PwmOuhl Timer4 PWM couple channel OUH&OUL
+ ** \arg Timer4PwmOvhl Timer4 PWM couple channel OVH&OVL
+ ** \arg Timer4PwmOwhl Timer4 PWM couple channel OWH&OWL
+ **
+ ** \retval Ok Stop timer successfully
+ ** \retval ErrorInvalidParameter If one of following conditions are met:
+ ** - TMR4x is invalid
+ ** - enCh out of range
+ **
+ ******************************************************************************/
+en_result_t TIMER4_PWM_StopTimer(M4_TMR4_TypeDef *TMR4x,
+ en_timer4_pwm_ch_t enCh)
+{
+ en_result_t enRet = ErrorInvalidParameter;
+ __IO stc_tmr4_rcsr_field_t *pstcRCSR_f = NULL;
+
+ /* Check parameters */
+ DDL_ASSERT(IS_VALID_PWM_CH(enCh));
+
+ /* Check TMR4x pointer */
+ if (IS_VALID_TIMER4(TMR4x))
+ {
+ enRet = Ok;
+
+ /* Get pointer of current channel PWM register address */
+ pstcRCSR_f = (__IO stc_tmr4_rcsr_field_t*)TMR4_RCSRx(TMR4x);
+ switch (enCh)
+ {
+ case Timer4PwmU:
+ pstcRCSR_f->RTSU = (uint16_t)1u;
+ break;
+ case Timer4PwmV:
+ pstcRCSR_f->RTSV = (uint16_t)1u;
+ break;
+ case Timer4PwmW:
+ pstcRCSR_f->RTSW = (uint16_t)1u;
+ break;
+ default:
+ enRet = ErrorInvalidParameter;
+ break;
+ }
+ }
+
+ return enRet;
+}
+
+/**
+ *******************************************************************************
+ ** \brief Get PWM reload-timer interrupt flag
+ **
+ ** \param [in] TMR4x Pointer to Timer4 instance register base
+ ** \arg M4_TMR41 Timer4 unit 1 instance register base
+ ** \arg M4_TMR42 Timer4 unit 2 instance register base
+ ** \arg M4_TMR43 Timer4 unit 3 instance register base
+ ** \param [in] enCh Channel of PWM
+ ** \arg Timer4PwmOuhl Timer4 PWM couple channel OUH&OUL
+ ** \arg Timer4PwmOvhl Timer4 PWM couple channel OVH&OVL
+ ** \arg Timer4PwmOwhl Timer4 PWM couple channel OWH&OWL
+ **
+ ** \retval Reset None interrupt request on PWM reload-timer
+ ** \retval Set Detection interrupt request on PWM reload-timer
+ **
+ ******************************************************************************/
+en_flag_status_t TIMER4_PWM_GetIrqFlag(M4_TMR4_TypeDef *TMR4x,
+ en_timer4_pwm_ch_t enCh)
+{
+ uint16_t u16Flag = 0u;
+ __IO stc_tmr4_rcsr_field_t *pstcRCSR_f = NULL;
+
+ /* Check parameters */
+ DDL_ASSERT(IS_VALID_PWM_CH(enCh));
+ DDL_ASSERT(IS_VALID_TIMER4(TMR4x));
+
+ /* Get pointer of current channel PWM register address */
+ pstcRCSR_f = (__IO stc_tmr4_rcsr_field_t*)TMR4_RCSRx(TMR4x);
+
+ switch (enCh)
+ {
+ case Timer4PwmU:
+ u16Flag = pstcRCSR_f->RTIFU;
+ break;
+ case Timer4PwmV:
+ u16Flag = pstcRCSR_f->RTIFV;
+ break;
+ case Timer4PwmW:
+ u16Flag = pstcRCSR_f->RTIFW;
+ break;
+ default:
+ break;
+ }
+
+ return (en_flag_status_t)u16Flag;
+}
+
+/**
+ *******************************************************************************
+ ** \brief Clear PWM reload-timer interrupt flag
+ **
+ ** \param [in] TMR4x Pointer to Timer4 instance register base
+ ** \arg M4_TMR41 Timer4 unit 1 instance register base
+ ** \arg M4_TMR42 Timer4 unit 2 instance register base
+ ** \arg M4_TMR43 Timer4 unit 3 instance register base
+ ** \param [in] enCh Channel of PWM
+ ** \arg Timer4PwmOuhl Timer4 PWM couple channel OUH&OUL
+ ** \arg Timer4PwmOvhl Timer4 PWM couple channel OVH&OVL
+ ** \arg Timer4PwmOwhl Timer4 PWM couple channel OWH&OWL
+ **
+ ** \retval Ok PWM reload-timer interrupt flag is clear
+ ** \retval ErrorInvalidParameter If one of following conditions are met:
+ ** - TMR4x is invalid
+ ** - enCh out of range
+ **
+ ******************************************************************************/
+en_result_t TIMER4_PWM_ClearIrqFlag(M4_TMR4_TypeDef *TMR4x,
+ en_timer4_pwm_ch_t enCh)
+{
+ en_result_t enRet = ErrorInvalidParameter;
+ __IO stc_tmr4_rcsr_field_t *pstcRCSR_f = NULL;
+
+ /* Check TMR4x pointer */
+ if (IS_VALID_TIMER4(TMR4x))
+ {
+ /* Check parameters */
+ DDL_ASSERT(IS_VALID_PWM_CH(enCh));
+
+ enRet = Ok;
+ /* Get pointer of current channel PWM register address */
+ pstcRCSR_f = (__IO stc_tmr4_rcsr_field_t*)TMR4_RCSRx(TMR4x);
+ switch (enCh)
+ {
+ case Timer4PwmU:
+ pstcRCSR_f->RTICU = (uint16_t)1u;
+ break;
+ case Timer4PwmV:
+ pstcRCSR_f->RTICV = (uint16_t)1u;
+ break;
+ case Timer4PwmW:
+ pstcRCSR_f->RTICW = (uint16_t)1u;
+ break;
+ default:
+ enRet = ErrorInvalidParameter;
+ break;
+ }
+ }
+
+ return enRet;
+}
+
+/**
+ *******************************************************************************
+ ** \brief Write timer count cycle
+ **
+ ** \param [in] TMR4x Pointer to Timer4 instance register base
+ ** \arg M4_TMR41 Timer4 unit 1 instance register base
+ ** \arg M4_TMR42 Timer4 unit 2 instance register base
+ ** \arg M4_TMR43 Timer4 unit 3 instance register base
+ ** \param [in] enCh Channel of PWM
+ ** \arg Timer4PwmOuhl Timer4 PWM couple channel OUH&OUL
+ ** \arg Timer4PwmOvhl Timer4 PWM couple channel OVH&OVL
+ ** \arg Timer4PwmOwhl Timer4 PWM couple channel OWH&OWL
+ ** \param [in] u16PDAR PDAR value
+ ** \arg 0~65535
+ ** \param [in] u16PDBR PDBR value
+ ** \arg 0~65535
+ **
+ ** \retval Ok Timer count cycle is written
+ ** \retval ErrorInvalidParameter TMR4x is invalid
+ **
+ ******************************************************************************/
+en_result_t TIMER4_PWM_WriteDeadRegionValue(M4_TMR4_TypeDef *TMR4x,
+ en_timer4_pwm_ch_t enCh,
+ uint16_t u16PDAR,
+ uint16_t u16PDBR)
+{
+ __IO uint16_t *pu16PDAR = NULL;
+ __IO uint16_t *pu16PDBR = NULL;
+ en_result_t enRet = ErrorInvalidParameter;
+
+ /* Check TMR4x pointer */
+ if (IS_VALID_TIMER4(TMR4x))
+ {
+ /* Check parameters */
+ DDL_ASSERT(IS_VALID_PWM_CH(enCh));
+
+ /* Get pointer of current channel PWM register address */
+ pu16PDAR = (__IO uint16_t *)TMR4_PDARx(TMR4x, enCh);
+ pu16PDBR = (__IO uint16_t *)TMR4_PDBRx(TMR4x, enCh);
+
+ /* set the register */
+ *pu16PDAR = u16PDAR;
+ *pu16PDBR = u16PDBR;
+
+ enRet = Ok;
+ }
+
+ return enRet;
+}
+
+/**
+ *******************************************************************************
+ ** \brief Read dead region count value
+ **
+ ** \param [in] TMR4x Pointer to Timer4 instance register base
+ ** \arg M4_TMR41 Timer4 unit 1 instance register base
+ ** \arg M4_TMR42 Timer4 unit 2 instance register base
+ ** \arg M4_TMR43 Timer4 unit 3 instance register base
+ ** \param [in] enCh Channel of PWM
+ ** \arg Timer4PwmOuhl Timer4 PWM couple channel OUH&OUL
+ ** \arg Timer4PwmOvhl Timer4 PWM couple channel OVH&OVL
+ ** \arg Timer4PwmOwhl Timer4 PWM couple channel OWH&OWL
+ ** \param [out] u16PDAR Pointer of uint16_t type
+ ** \arg 0~65535
+ ** \param [out] u16PDBR Pointer of uint16_t type
+ ** \arg 0~65535
+ **
+ ** \retval Ok Read successfully.
+ ** \retval ErrorInvalidParameter TMR4x is invalid
+ **
+ ******************************************************************************/
+en_result_t TIMER4_PWM_ReadDeadRegionValue(M4_TMR4_TypeDef *TMR4x,
+ en_timer4_pwm_ch_t enCh,
+ uint16_t *u16PDAR,
+ uint16_t *u16PDBR)
+{
+ en_result_t enRet = ErrorInvalidParameter;
+
+ /* Check TMR4x pointer */
+ if (IS_VALID_TIMER4(TMR4x))
+ {
+ /* Check parameters */
+ DDL_ASSERT(IS_VALID_PWM_CH(enCh));
+
+ /* Get pointer of current channel PWM register address */
+ *u16PDAR = *(__IO uint16_t *)TMR4_PDARx(TMR4x, enCh);
+ *u16PDBR = *(__IO uint16_t *)TMR4_PDBRx(TMR4x, enCh);
+
+ enRet = Ok;
+ }
+
+ return enRet;
+}
+
+/**
+ *******************************************************************************
+ ** \brief Set cycle of PWM timer
+ **
+ ** \param [in] TMR4x Pointer to Timer4 instance register base
+ ** \arg M4_TMR41 Timer4 unit 1 instance register base
+ ** \arg M4_TMR42 Timer4 unit 2 instance register base
+ ** \arg M4_TMR43 Timer4 unit 3 instance register base
+ ** \param [in] enCh Channel of PWM
+ ** \arg Timer4PwmOuhl Timer4 PWM couple channel OUH&OUL
+ ** \arg Timer4PwmOvhl Timer4 PWM couple channel OVH&OVL
+ ** \arg Timer4PwmOwhl Timer4 PWM couple channel OWH&OWL
+ ** \param [in] u16Count PWM pulse counter value
+ ** \arg 0~65535
+ **
+ ** \retval Ok Cycle of PWM timer is set
+ ** \retval ErrorInvalidParameter TMR4x is invalid
+ **
+ ******************************************************************************/
+en_result_t TIMER4_PWM_SetFilterCountValue(M4_TMR4_TypeDef *TMR4x,
+ en_timer4_pwm_ch_t enCh,
+ uint16_t u16Count)
+{
+ __IO uint16_t *pu16PFSR = NULL;
+ en_result_t enRet = ErrorInvalidParameter;
+
+ /* Check TMR4x pointer */
+ if (IS_VALID_TIMER4(TMR4x))
+ {
+ /* Check parameters */
+ DDL_ASSERT(IS_VALID_PWM_CH(enCh));
+
+ /* Get pointer of current channel PWM register address */
+ pu16PFSR = (__IO uint16_t*)TMR4_PFSRx(TMR4x, enCh);
+ *pu16PFSR =u16Count;
+
+ enRet = Ok;
+ }
+
+ return enRet;
+}
+
+//@} // Timer4PwmGroup
+
+/*******************************************************************************
+ * EOF (not truncated)
+ ******************************************************************************/
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