Takaaki Numai / mbed-dev

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targets/TARGET_STM/TARGET_STM32F4/device/stm32f4xx_hal_ltdc_ex.c@0:85b3fd62ea1a, 2020-03-16 (annotated)

Committer:
NYX
Date:
Mon Mar 16 06:35:48 2020 +0000
Revision:
0:85b3fd62ea1a
reinport to mbed;

Who changed what in which revision?

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NYX 0:85b3fd62ea1a 1 /**
NYX 0:85b3fd62ea1a 2 ******************************************************************************
NYX 0:85b3fd62ea1a 3 * @file stm32f4xx_hal_ltdc_ex.c
NYX 0:85b3fd62ea1a 4 * @author MCD Application Team
NYX 0:85b3fd62ea1a 5 * @version V1.7.1
NYX 0:85b3fd62ea1a 6 * @date 14-April-2017
NYX 0:85b3fd62ea1a 7 * @brief LTDC Extension HAL module driver.
NYX 0:85b3fd62ea1a 8 ******************************************************************************
NYX 0:85b3fd62ea1a 9 * @attention
NYX 0:85b3fd62ea1a 10 *
NYX 0:85b3fd62ea1a 11 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
NYX 0:85b3fd62ea1a 12 *
NYX 0:85b3fd62ea1a 13 * Redistribution and use in source and binary forms, with or without modification,
NYX 0:85b3fd62ea1a 14 * are permitted provided that the following conditions are met:
NYX 0:85b3fd62ea1a 15 * 1. Redistributions of source code must retain the above copyright notice,
NYX 0:85b3fd62ea1a 16 * this list of conditions and the following disclaimer.
NYX 0:85b3fd62ea1a 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
NYX 0:85b3fd62ea1a 18 * this list of conditions and the following disclaimer in the documentation
NYX 0:85b3fd62ea1a 19 * and/or other materials provided with the distribution.
NYX 0:85b3fd62ea1a 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
NYX 0:85b3fd62ea1a 21 * may be used to endorse or promote products derived from this software
NYX 0:85b3fd62ea1a 22 * without specific prior written permission.
NYX 0:85b3fd62ea1a 23 *
NYX 0:85b3fd62ea1a 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
NYX 0:85b3fd62ea1a 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
NYX 0:85b3fd62ea1a 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
NYX 0:85b3fd62ea1a 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
NYX 0:85b3fd62ea1a 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
NYX 0:85b3fd62ea1a 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
NYX 0:85b3fd62ea1a 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
NYX 0:85b3fd62ea1a 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
NYX 0:85b3fd62ea1a 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
NYX 0:85b3fd62ea1a 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
NYX 0:85b3fd62ea1a 34 *
NYX 0:85b3fd62ea1a 35 ******************************************************************************
NYX 0:85b3fd62ea1a 36 */
NYX 0:85b3fd62ea1a 37
NYX 0:85b3fd62ea1a 38 /* Includes ------------------------------------------------------------------*/
NYX 0:85b3fd62ea1a 39 #include "stm32f4xx_hal.h"
NYX 0:85b3fd62ea1a 40
NYX 0:85b3fd62ea1a 41 /** @addtogroup STM32F4xx_HAL_Driver
NYX 0:85b3fd62ea1a 42 * @{
NYX 0:85b3fd62ea1a 43 */
NYX 0:85b3fd62ea1a 44 /** @defgroup LTDCEx LTDCEx
NYX 0:85b3fd62ea1a 45 * @brief LTDC HAL module driver
NYX 0:85b3fd62ea1a 46 * @{
NYX 0:85b3fd62ea1a 47 */
NYX 0:85b3fd62ea1a 48
NYX 0:85b3fd62ea1a 49 #ifdef HAL_LTDC_MODULE_ENABLED
NYX 0:85b3fd62ea1a 50
NYX 0:85b3fd62ea1a 51 /* Private typedef -----------------------------------------------------------*/
NYX 0:85b3fd62ea1a 52 /* Private define ------------------------------------------------------------*/
NYX 0:85b3fd62ea1a 53 /* Private macro -------------------------------------------------------------*/
NYX 0:85b3fd62ea1a 54 /* Private variables ---------------------------------------------------------*/
NYX 0:85b3fd62ea1a 55 /* Private function prototypes -----------------------------------------------*/
NYX 0:85b3fd62ea1a 56 /* Exported functions --------------------------------------------------------*/
NYX 0:85b3fd62ea1a 57
NYX 0:85b3fd62ea1a 58 /** @defgroup LTDCEx_Exported_Functions LTDC Extended Exported Functions
NYX 0:85b3fd62ea1a 59 * @{
NYX 0:85b3fd62ea1a 60 */
NYX 0:85b3fd62ea1a 61
NYX 0:85b3fd62ea1a 62 /** @defgroup LTDCEx_Exported_Functions_Group1 Initialization and Configuration functions
NYX 0:85b3fd62ea1a 63 * @brief Initialization and Configuration functions
NYX 0:85b3fd62ea1a 64 *
NYX 0:85b3fd62ea1a 65 @verbatim
NYX 0:85b3fd62ea1a 66 ===============================================================================
NYX 0:85b3fd62ea1a 67 ##### Initialization and Configuration functions #####
NYX 0:85b3fd62ea1a 68 ===============================================================================
NYX 0:85b3fd62ea1a 69 [..] This section provides functions allowing to:
NYX 0:85b3fd62ea1a 70 (+) Initialize and configure the LTDC
NYX 0:85b3fd62ea1a 71
NYX 0:85b3fd62ea1a 72 @endverbatim
NYX 0:85b3fd62ea1a 73 * @{
NYX 0:85b3fd62ea1a 74 */
NYX 0:85b3fd62ea1a 75 #if defined(STM32F469xx) || defined(STM32F479xx)
NYX 0:85b3fd62ea1a 76 /**
NYX 0:85b3fd62ea1a 77 * @brief Retrieve common parameters from DSI Video mode configuration structure
NYX 0:85b3fd62ea1a 78 * @param hltdc pointer to a LTDC_HandleTypeDef structure that contains
NYX 0:85b3fd62ea1a 79 * the configuration information for the LTDC.
NYX 0:85b3fd62ea1a 80 * @param VidCfg pointer to a DSI_VidCfgTypeDef structure that contains
NYX 0:85b3fd62ea1a 81 * the DSI video mode configuration parameters
NYX 0:85b3fd62ea1a 82 * @note The implementation of this function is taking into account the LTDC
NYX 0:85b3fd62ea1a 83 * polarities inversion as described in the current LTDC specification
NYX 0:85b3fd62ea1a 84 * @retval HAL status
NYX 0:85b3fd62ea1a 85 */
NYX 0:85b3fd62ea1a 86 HAL_StatusTypeDef HAL_LTDCEx_StructInitFromVideoConfig(LTDC_HandleTypeDef* hltdc, DSI_VidCfgTypeDef *VidCfg)
NYX 0:85b3fd62ea1a 87 {
NYX 0:85b3fd62ea1a 88 /* Retrieve signal polarities from DSI */
NYX 0:85b3fd62ea1a 89
NYX 0:85b3fd62ea1a 90 /* The following polarity is inverted:
NYX 0:85b3fd62ea1a 91 LTDC_DEPOLARITY_AL <-> LTDC_DEPOLARITY_AH */
NYX 0:85b3fd62ea1a 92
NYX 0:85b3fd62ea1a 93 /* Note 1 : Code in line w/ Current LTDC specification */
NYX 0:85b3fd62ea1a 94 hltdc->Init.DEPolarity = (VidCfg->DEPolarity == DSI_DATA_ENABLE_ACTIVE_HIGH) ? LTDC_DEPOLARITY_AL : LTDC_DEPOLARITY_AH;
NYX 0:85b3fd62ea1a 95 hltdc->Init.VSPolarity = (VidCfg->VSPolarity == DSI_VSYNC_ACTIVE_HIGH) ? LTDC_VSPOLARITY_AH : LTDC_VSPOLARITY_AL;
NYX 0:85b3fd62ea1a 96 hltdc->Init.HSPolarity = (VidCfg->HSPolarity == DSI_HSYNC_ACTIVE_HIGH) ? LTDC_HSPOLARITY_AH : LTDC_HSPOLARITY_AL;
NYX 0:85b3fd62ea1a 97
NYX 0:85b3fd62ea1a 98 /* Note 2: Code to be used in case LTDC polarities inversion updated in the specification */
NYX 0:85b3fd62ea1a 99 /* hltdc->Init.DEPolarity = VidCfg->DEPolarity << 29;
NYX 0:85b3fd62ea1a 100 hltdc->Init.VSPolarity = VidCfg->VSPolarity << 29;
NYX 0:85b3fd62ea1a 101 hltdc->Init.HSPolarity = VidCfg->HSPolarity << 29; */
NYX 0:85b3fd62ea1a 102
NYX 0:85b3fd62ea1a 103 /* Retrieve vertical timing parameters from DSI */
NYX 0:85b3fd62ea1a 104 hltdc->Init.VerticalSync = VidCfg->VerticalSyncActive - 1U;
NYX 0:85b3fd62ea1a 105 hltdc->Init.AccumulatedVBP = VidCfg->VerticalSyncActive + VidCfg->VerticalBackPorch - 1U;
NYX 0:85b3fd62ea1a 106 hltdc->Init.AccumulatedActiveH = VidCfg->VerticalSyncActive + VidCfg->VerticalBackPorch + VidCfg->VerticalActive - 1U;
NYX 0:85b3fd62ea1a 107 hltdc->Init.TotalHeigh = VidCfg->VerticalSyncActive + VidCfg->VerticalBackPorch + VidCfg->VerticalActive + VidCfg->VerticalFrontPorch - 1U;
NYX 0:85b3fd62ea1a 108
NYX 0:85b3fd62ea1a 109 return HAL_OK;
NYX 0:85b3fd62ea1a 110 }
NYX 0:85b3fd62ea1a 111
NYX 0:85b3fd62ea1a 112 /**
NYX 0:85b3fd62ea1a 113 * @brief Retrieve common parameters from DSI Adapted command mode configuration structure
NYX 0:85b3fd62ea1a 114 * @param hltdc pointer to a LTDC_HandleTypeDef structure that contains
NYX 0:85b3fd62ea1a 115 * the configuration information for the LTDC.
NYX 0:85b3fd62ea1a 116 * @param CmdCfg pointer to a DSI_CmdCfgTypeDef structure that contains
NYX 0:85b3fd62ea1a 117 * the DSI command mode configuration parameters
NYX 0:85b3fd62ea1a 118 * @note The implementation of this function is taking into account the LTDC
NYX 0:85b3fd62ea1a 119 * polarities inversion as described in the current LTDC specification
NYX 0:85b3fd62ea1a 120 * @retval HAL status
NYX 0:85b3fd62ea1a 121 */
NYX 0:85b3fd62ea1a 122 HAL_StatusTypeDef HAL_LTDCEx_StructInitFromAdaptedCommandConfig(LTDC_HandleTypeDef* hltdc, DSI_CmdCfgTypeDef *CmdCfg)
NYX 0:85b3fd62ea1a 123 {
NYX 0:85b3fd62ea1a 124 /* Retrieve signal polarities from DSI */
NYX 0:85b3fd62ea1a 125
NYX 0:85b3fd62ea1a 126 /* The following polarities are inverted:
NYX 0:85b3fd62ea1a 127 LTDC_DEPOLARITY_AL <-> LTDC_DEPOLARITY_AH
NYX 0:85b3fd62ea1a 128 LTDC_VSPOLARITY_AL <-> LTDC_VSPOLARITY_AH
NYX 0:85b3fd62ea1a 129 LTDC_HSPOLARITY_AL <-> LTDC_HSPOLARITY_AH)*/
NYX 0:85b3fd62ea1a 130
NYX 0:85b3fd62ea1a 131 /* Note 1 : Code in line w/ Current LTDC specification */
NYX 0:85b3fd62ea1a 132 hltdc->Init.DEPolarity = (CmdCfg->DEPolarity == DSI_DATA_ENABLE_ACTIVE_HIGH) ? LTDC_DEPOLARITY_AL : LTDC_DEPOLARITY_AH;
NYX 0:85b3fd62ea1a 133 hltdc->Init.VSPolarity = (CmdCfg->VSPolarity == DSI_VSYNC_ACTIVE_HIGH) ? LTDC_VSPOLARITY_AL : LTDC_VSPOLARITY_AH;
NYX 0:85b3fd62ea1a 134 hltdc->Init.HSPolarity = (CmdCfg->HSPolarity == DSI_HSYNC_ACTIVE_HIGH) ? LTDC_HSPOLARITY_AL : LTDC_HSPOLARITY_AH;
NYX 0:85b3fd62ea1a 135
NYX 0:85b3fd62ea1a 136 /* Note 2: Code to be used in case LTDC polarities inversion updated in the specification */
NYX 0:85b3fd62ea1a 137 /* hltdc->Init.DEPolarity = CmdCfg->DEPolarity << 29;
NYX 0:85b3fd62ea1a 138 hltdc->Init.VSPolarity = CmdCfg->VSPolarity << 29;
NYX 0:85b3fd62ea1a 139 hltdc->Init.HSPolarity = CmdCfg->HSPolarity << 29; */
NYX 0:85b3fd62ea1a 140
NYX 0:85b3fd62ea1a 141 return HAL_OK;
NYX 0:85b3fd62ea1a 142 }
NYX 0:85b3fd62ea1a 143 #endif /* STM32F469xx || STM32F479xx */
NYX 0:85b3fd62ea1a 144
NYX 0:85b3fd62ea1a 145 /**
NYX 0:85b3fd62ea1a 146 * @}
NYX 0:85b3fd62ea1a 147 */
NYX 0:85b3fd62ea1a 148
NYX 0:85b3fd62ea1a 149 /**
NYX 0:85b3fd62ea1a 150 * @}
NYX 0:85b3fd62ea1a 151 */
NYX 0:85b3fd62ea1a 152
NYX 0:85b3fd62ea1a 153 #endif /* HAL_DCMI_MODULE_ENABLED */
NYX 0:85b3fd62ea1a 154 /**
NYX 0:85b3fd62ea1a 155 * @}
NYX 0:85b3fd62ea1a 156 */
NYX 0:85b3fd62ea1a 157
NYX 0:85b3fd62ea1a 158 /**
NYX 0:85b3fd62ea1a 159 * @}
NYX 0:85b3fd62ea1a 160 */
NYX 0:85b3fd62ea1a 161
NYX 0:85b3fd62ea1a 162 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/