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https://github.com/IcedRooibos/py32f0-template.git
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159 lines
5.2 KiB
C
159 lines
5.2 KiB
C
/**
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******************************************************************************
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* @file py32f0xx_ll_led.c
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* @author MCU Application Team
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* @brief LED LL module driver.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) Puya Semiconductor Co.
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* All rights reserved.</center></h2>
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*
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* <h2><center>© Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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#if defined(USE_FULL_LL_DRIVER)
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/* Includes ------------------------------------------------------------------*/
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#include "py32f0xx_ll_led.h"
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#include "py32f0xx_ll_bus.h"
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#ifdef USE_FULL_ASSERT
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#include "py32_assert.h"
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#else
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#define assert_param(expr) ((void)0U)
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#endif
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/** @addtogroup PY32F0xx_LL_Driver
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* @{
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*/
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#if defined (LED)
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/** @addtogroup LED_LL
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* @{
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*/
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/* Private types -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private constants ---------------------------------------------------------*/
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/* Private macros ------------------------------------------------------------*/
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/** @addtogroup LED_LL_Private_Macros
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* @{
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*/
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#define IS_LL_LED_COM_DRIVE(__VALUE__) (((__VALUE__) == LL_LED_COMDRIVE_LOW) ||\
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((__VALUE__) == LL_LED_COMDRIVE_HIGH))
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#define IS_LL_LED_PRESCALER(__VALUE__) (((0x00u) < (__VALUE__)) && ((__VALUE__) <= (0xFFu)))
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#define IS_LL_LED_COM_SELECT(__VALUE__) (((__VALUE__) == LL_LED_COMSELECT_1COM) ||\
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((__VALUE__) == LL_LED_COMSELECT_2COM) ||\
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((__VALUE__) == LL_LED_COMSELECT_3COM) ||\
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((__VALUE__) == LL_LED_COMSELECT_4COM))
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#define IS_LL_LED_LIGHT_TIME(__VALUE__) (((0x01u) < (__VALUE__)) && ((__VALUE__) <= (0xFFu)))
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#define IS_LL_LED_DEAD_TIME(__VALUE__) (((0x01u) < (__VALUE__)) && ((__VALUE__) <= (0xFFu)))
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/**
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* @}
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*/
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/* Private function prototypes -----------------------------------------------*/
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/* Exported functions --------------------------------------------------------*/
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/** @addtogroup LED_LL_Exported_Functions
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* @{
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*/
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/** @addtogroup LED_LL_EF_Init
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* @{
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*/
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/**
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* @brief De-initialize LED registers.
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* @param LEDx LED Port
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* @retval An ErrorStatus enumeration value:
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* - SUCCESS: LED registers are de-initialized
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* - ERROR: Wrong LED
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*/
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ErrorStatus LL_LED_DeInit(LED_TypeDef *LEDx)
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{
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ErrorStatus status = SUCCESS;
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/* Check the parameters */
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assert_param(IS_LED_ALL_INSTANCE(LEDx));
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/* Force and Release reset on clock of LEDx */
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if (LEDx == LED)
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{
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LL_APB1_GRP2_ForceReset(LL_APB1_GRP2_PERIPH_LED);
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LL_APB1_GRP2_ReleaseReset(LL_APB1_GRP2_PERIPH_LED);
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}
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else
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{
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status = ERROR;
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}
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return (status);
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}
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/**
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* @brief Initializes the LED registers according to the specified parameters in the LED_InitStruct.
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* @param LEDx LEDx Instance
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* @param LED_InitStruct pointer to a @ref LL_LED_InitTypeDef structure
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* that contains the configuration information for the specified LED peripheral.
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* @retval An ErrorStatus enumeration value:
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* - SUCCESS: LED registers are initialized according to LED_InitStruct content
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* - ERROR: Not applicable
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*/
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ErrorStatus LL_LED_Init(LED_TypeDef *LEDx, LL_LED_InitTypeDef *LED_InitStruct)
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{
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/* Check the parameters */
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assert_param(IS_LED_ALL_INSTANCE(LEDx));
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assert_param(IS_LL_LED_COM_DRIVE(LED_InitStruct->ComDrive));
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assert_param(IS_LL_LED_PRESCALER(LED_InitStruct->Prescaler));
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assert_param(IS_LL_LED_COM_SELECT(LED_InitStruct->ComSelect));
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assert_param(IS_LL_LED_LIGHT_TIME(LED_InitStruct->LightTime));
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assert_param(IS_LL_LED_DEAD_TIME(LED_InitStruct->DeadTime));
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/* LED Register config */
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MODIFY_REG(LEDx->CR, (uint32_t)(LED_CR_LED_COM_SEL | LED_CR_EHS),
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(LED_InitStruct->ComSelect | LED_InitStruct->ComDrive));
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LL_LED_SetPrescaler(LEDx, LED_InitStruct->Prescaler);
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LL_LED_SetLightAndDeadTime(LEDx, LED_InitStruct->LightTime, LED_InitStruct->DeadTime);
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LL_LED_Enable(LEDx);
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return (SUCCESS);
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}
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/**
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* @brief Set each @ref LL_LED_InitTypeDef field to default value.
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* @param LED_InitStruct pointer to a @ref LL_LED_InitTypeDef structure
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* whose fields will be set to default values.
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* @retval None
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*/
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void LL_LED_StructInit(LL_LED_InitTypeDef *LED_InitStruct)
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{
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/* Reset LED init structure parameters values */
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LED_InitStruct->ComDrive = LL_LED_COMDRIVE_LOW;
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LED_InitStruct->Prescaler = 0x0u;
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LED_InitStruct->ComSelect = LL_LED_COMSELECT_1COM;
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LED_InitStruct->LightTime = 0x0u;
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LED_InitStruct->DeadTime = 0x0u;
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}
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#endif /* defined (LED) */
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#endif /* USE_FULL_LL_DRIVER */
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/************************ (C) COPYRIGHT Puya Semiconductor *****END OF FILE****/
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