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|
/*******************************************************************************
* 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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