212 lines
8.1 KiB
C
212 lines
8.1 KiB
C
/**
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******************************************************************************
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* @file py32f040_ll_lcd.c
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* @author MCU Application Team
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* @brief LCD LL module driver.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2023 Puya Semiconductor Co.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by Puya 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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* @attention
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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 "py32f040_ll_lcd.h"
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#include "py32f040_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 PY32F040_LL_Driver
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* @{
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*/
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#if defined (LCD)
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/** @addtogroup LCD_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 LCD_LL_Private_Macros LCD Private Macros
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* @{
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*/
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#define IS_LL_LCD_CONTRAST(__CONTRAST__) (((__CONTRAST__) == LL_LCD_CONTRASTLEVEL_0) || \
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((__CONTRAST__) == LL_LCD_CONTRASTLEVEL_1) || \
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((__CONTRAST__) == LL_LCD_CONTRASTLEVEL_2) || \
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((__CONTRAST__) == LL_LCD_CONTRASTLEVEL_3) || \
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((__CONTRAST__) == LL_LCD_CONTRASTLEVEL_4) || \
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((__CONTRAST__) == LL_LCD_CONTRASTLEVEL_5) || \
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((__CONTRAST__) == LL_LCD_CONTRASTLEVEL_6) || \
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((__CONTRAST__) == LL_LCD_CONTRASTLEVEL_7) || \
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((__CONTRAST__) == LL_LCD_CONTRASTLEVEL_8) || \
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((__CONTRAST__) == LL_LCD_CONTRASTLEVEL_9) || \
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((__CONTRAST__) == LL_LCD_CONTRASTLEVEL_10) || \
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((__CONTRAST__) == LL_LCD_CONTRASTLEVEL_11) || \
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((__CONTRAST__) == LL_LCD_CONTRASTLEVEL_12) || \
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((__CONTRAST__) == LL_LCD_CONTRASTLEVEL_13) || \
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((__CONTRAST__) == LL_LCD_CONTRASTLEVEL_14) || \
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((__CONTRAST__) == LL_LCD_CONTRASTLEVEL_15))
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#define IS_LL_LCD_BIAS_SRC(__SOURCE__) (((__SOURCE__) == LL_LCD_BIAS_SRC_IN_RES_HIGH_POWER) || \
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((__SOURCE__) == LL_LCD_BIAS_SRC_IN_RES_LOW_POWER) || \
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((__SOURCE__) == LL_LCD_BIAS_SRC_IN_RES_MID_POWER) || \
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((__SOURCE__) == LL_LCD_BIAS_SRC_EXT_RES))
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#define IS_LL_LCD_DUTY(__DUTY__) (((__DUTY__) == LL_LCD_DUTY_STATIC) || \
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((__DUTY__) == LL_LCD_DUTY_1_2) || \
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((__DUTY__) == LL_LCD_DUTY_1_3) || \
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((__DUTY__) == LL_LCD_DUTY_1_4) || \
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((__DUTY__) == LL_LCD_DUTY_1_6) || \
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((__DUTY__) == LL_LCD_DUTY_1_8))
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#define IS_LL_LCD_BIAS(__BIAS__) (((__BIAS__) == LL_LCD_BIAS_1_3) || \
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((__BIAS__) == LL_LCD_BIAS_1_2))
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#define IS_LL_LCD_SCAN_FRE(__FRE__) (((__FRE__) == LL_LCD_SCAN_FRE_64HZ) || \
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((__FRE__) == LL_LCD_SCAN_FRE_128HZ) || \
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((__FRE__) == LL_LCD_SCAN_FRE_256HZ) || \
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((__FRE__) == LL_LCD_SCAN_FRE_512HZ))
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#define IS_LL_LCD_MODE(__MODE__) (((__MODE__) == LL_LCD_MODE_0) || \
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((__MODE__) == LL_LCD_MODE_1))
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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 LCD_LL_Exported_Functions LCD Exported Functions
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* @{
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*/
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/** @addtogroup LCD_LL_EF_Init Initialization and de-initialization functions
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* @{
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*/
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/**
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* @brief De-initialize LCD registers (Registers restored to their default values).
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* @param LCDx LCD Instance
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* @retval An ErrorStatus enumeration value:
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* - SUCCESS: LCD registers are de-initialized
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* - ERROR: Wrong LCD Instance
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*/
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ErrorStatus LL_LCD_DeInit(LCD_TypeDef *LCDx)
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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_LCD_ALL_INSTANCE(LCDx));
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/* Force and Release reset on clock of LCDx */
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if (LCDx == LCD)
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{
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LL_APB1_GRP2_ForceReset(LL_APB1_GRP2_PERIPH_LCD);
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LL_APB1_GRP2_ReleaseReset(LL_APB1_GRP2_PERIPH_LCD);
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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 LCD peripheral according to the specified parameters
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* in the LCD_InitStruct.
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* @param LCDx LCD Instance
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* @param LCD_InitStruct pointer to a @ref LL_LCD_InitTypeDef structure
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* that contains the configuration information for the specified LCD peripheral.
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* @retval An ErrorStatus enumeration value:
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* - SUCCESS: LCD registers are initialized according to LCD_InitStruct content
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* - ERROR: Not applicable
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*/
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ErrorStatus LL_LCD_Init(LCD_TypeDef *LCDx, LL_LCD_InitTypeDef *LCD_InitStruct)
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{
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/* Check function parameters */
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assert_param(IS_LCD_ALL_INSTANCE(LCDx));
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assert_param(IS_LL_LCD_CONTRAST(LCD_InitStruct->Contrast));
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assert_param(IS_LL_LCD_BIAS_SRC(LCD_InitStruct->BiasSrc));
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assert_param(IS_LL_LCD_DUTY(LCD_InitStruct->Duty));
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assert_param(IS_LL_LCD_BIAS(LCD_InitStruct->Bias));
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assert_param(IS_LL_LCD_SCAN_FRE(LCD_InitStruct->ScanFre));
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assert_param(IS_LL_LCD_MODE(LCD_InitStruct->Mode));
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/* Disable the peripheral */
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LL_LCD_Disable(LCD);
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/* Configure LCD Contrast, Bias Source, Duty, Bias, Scan Frequency */
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MODIFY_REG(LCDx->CR0, \
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(LCD_CR0_CONTRAST | LCD_CR0_BSEL | LCD_CR0_DUTY | LCD_CR0_BIAS | LCD_CR0_LCDCLK), \
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(LCD_InitStruct->Contrast | LCD_InitStruct->BiasSrc | LCD_InitStruct->Duty | LCD_InitStruct->Bias | LCD_InitStruct->ScanFre));
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/* Configure LCD Mode */
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MODIFY_REG(LCDx->CR1, LCD_CR1_MODE, LCD_InitStruct->Mode);
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/* Enable the peripheral */
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LL_LCD_Enable(LCD);
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return (SUCCESS);
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}
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/**
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* @brief Set each @ref LL_LCD_InitTypeDef field to default value.
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* @param LCD_InitStruct pointer to a @ref LL_LCD_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_LCD_StructInit(LL_LCD_InitTypeDef *LCD_InitStruct)
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{
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/* Reset LCD init structure parameters values */
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LCD_InitStruct->Contrast = LL_LCD_CONTRASTLEVEL_0;
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LCD_InitStruct->BiasSrc = LL_LCD_BIAS_SRC_EXT_RES;
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LCD_InitStruct->Duty = LL_LCD_DUTY_1_4;
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LCD_InitStruct->Bias = LL_LCD_BIAS_1_3;
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LCD_InitStruct->ScanFre = LL_LCD_SCAN_FRE_128HZ;
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LCD_InitStruct->Mode = LL_LCD_MODE_0;
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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#endif /* defined (LCD) */
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/**
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* @}
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*/
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#endif /* USE_FULL_LL_DRIVER */
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/************************ (C) COPYRIGHT Puya Semiconductor *****END OF FILE****/
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