sc7-testo-firmware/lib/py32f0xx-ll/src/py32f0xx_ll_led.c

159 lines
5.2 KiB
C

/**
******************************************************************************
* @file py32f0xx_ll_led.c
* @author MCU Application Team
* @brief LED LL module driver.
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) Puya Semiconductor Co.
* All rights reserved.</center></h2>
*
* <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST 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
*
******************************************************************************
*/
#if defined(USE_FULL_LL_DRIVER)
/* Includes ------------------------------------------------------------------*/
#include "py32f0xx_ll_led.h"
#include "py32f0xx_ll_bus.h"
#ifdef USE_FULL_ASSERT
#include "py32_assert.h"
#else
#define assert_param(expr) ((void)0U)
#endif
/** @addtogroup PY32F0xx_LL_Driver
* @{
*/
#if defined (LED)
/** @addtogroup LED_LL
* @{
*/
/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/
/** @addtogroup LED_LL_Private_Macros
* @{
*/
#define IS_LL_LED_COM_DRIVE(__VALUE__) (((__VALUE__) == LL_LED_COMDRIVE_LOW) ||\
((__VALUE__) == LL_LED_COMDRIVE_HIGH))
#define IS_LL_LED_PRESCALER(__VALUE__) (((0x00u) < (__VALUE__)) && ((__VALUE__) <= (0xFFu)))
#define IS_LL_LED_COM_SELECT(__VALUE__) (((__VALUE__) == LL_LED_COMSELECT_1COM) ||\
((__VALUE__) == LL_LED_COMSELECT_2COM) ||\
((__VALUE__) == LL_LED_COMSELECT_3COM) ||\
((__VALUE__) == LL_LED_COMSELECT_4COM))
#define IS_LL_LED_LIGHT_TIME(__VALUE__) (((0x01u) < (__VALUE__)) && ((__VALUE__) <= (0xFFu)))
#define IS_LL_LED_DEAD_TIME(__VALUE__) (((0x01u) < (__VALUE__)) && ((__VALUE__) <= (0xFFu)))
/**
* @}
*/
/* Private function prototypes -----------------------------------------------*/
/* Exported functions --------------------------------------------------------*/
/** @addtogroup LED_LL_Exported_Functions
* @{
*/
/** @addtogroup LED_LL_EF_Init
* @{
*/
/**
* @brief De-initialize LED registers.
* @param LEDx LED Port
* @retval An ErrorStatus enumeration value:
* - SUCCESS: LED registers are de-initialized
* - ERROR: Wrong LED
*/
ErrorStatus LL_LED_DeInit(LED_TypeDef *LEDx)
{
ErrorStatus status = SUCCESS;
/* Check the parameters */
assert_param(IS_LED_ALL_INSTANCE(LEDx));
/* Force and Release reset on clock of LEDx */
if (LEDx == LED)
{
LL_APB1_GRP2_ForceReset(LL_APB1_GRP2_PERIPH_LED);
LL_APB1_GRP2_ReleaseReset(LL_APB1_GRP2_PERIPH_LED);
}
else
{
status = ERROR;
}
return (status);
}
/**
* @brief Initializes the LED registers according to the specified parameters in the LED_InitStruct.
* @param LEDx LEDx Instance
* @param LED_InitStruct pointer to a @ref LL_LED_InitTypeDef structure
* that contains the configuration information for the specified LED peripheral.
* @retval An ErrorStatus enumeration value:
* - SUCCESS: LED registers are initialized according to LED_InitStruct content
* - ERROR: Not applicable
*/
ErrorStatus LL_LED_Init(LED_TypeDef *LEDx, LL_LED_InitTypeDef *LED_InitStruct)
{
/* Check the parameters */
assert_param(IS_LED_ALL_INSTANCE(LEDx));
assert_param(IS_LL_LED_COM_DRIVE(LED_InitStruct->ComDrive));
assert_param(IS_LL_LED_PRESCALER(LED_InitStruct->Prescaler));
assert_param(IS_LL_LED_COM_SELECT(LED_InitStruct->ComSelect));
assert_param(IS_LL_LED_LIGHT_TIME(LED_InitStruct->LightTime));
assert_param(IS_LL_LED_DEAD_TIME(LED_InitStruct->DeadTime));
/* LED Register config */
MODIFY_REG(LEDx->CR, (uint32_t)(LED_CR_LED_COM_SEL | LED_CR_EHS),
(LED_InitStruct->ComSelect | LED_InitStruct->ComDrive));
LL_LED_SetPrescaler(LEDx, LED_InitStruct->Prescaler);
LL_LED_SetLightAndDeadTime(LEDx, LED_InitStruct->LightTime, LED_InitStruct->DeadTime);
LL_LED_Enable(LEDx);
return (SUCCESS);
}
/**
* @brief Set each @ref LL_LED_InitTypeDef field to default value.
* @param LED_InitStruct pointer to a @ref LL_LED_InitTypeDef structure
* whose fields will be set to default values.
* @retval None
*/
void LL_LED_StructInit(LL_LED_InitTypeDef *LED_InitStruct)
{
/* Reset LED init structure parameters values */
LED_InitStruct->ComDrive = LL_LED_COMDRIVE_LOW;
LED_InitStruct->Prescaler = 0x0u;
LED_InitStruct->ComSelect = LL_LED_COMSELECT_1COM;
LED_InitStruct->LightTime = 0x0u;
LED_InitStruct->DeadTime = 0x0u;
}
#endif /* defined (LED) */
#endif /* USE_FULL_LL_DRIVER */
/************************ (C) COPYRIGHT Puya Semiconductor *****END OF FILE****/