[303] | 1 | /**
|
---|
| 2 | ******************************************************************************
|
---|
| 3 | * @file stm32f4xx_hal_ltdc_ex.c
|
---|
| 4 | * @author MCD Application Team
|
---|
| 5 | * @version V1.4.1
|
---|
| 6 | * @date 09-October-2015
|
---|
| 7 | * @brief LTDC Extension HAL module driver.
|
---|
| 8 | ******************************************************************************
|
---|
| 9 | * @attention
|
---|
| 10 | *
|
---|
| 11 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
|
---|
| 12 | *
|
---|
| 13 | * Redistribution and use in source and binary forms, with or without modification,
|
---|
| 14 | * are permitted provided that the following conditions are met:
|
---|
| 15 | * 1. Redistributions of source code must retain the above copyright notice,
|
---|
| 16 | * this list of conditions and the following disclaimer.
|
---|
| 17 | * 2. Redistributions in binary form must reproduce the above copyright notice,
|
---|
| 18 | * this list of conditions and the following disclaimer in the documentation
|
---|
| 19 | * and/or other materials provided with the distribution.
|
---|
| 20 | * 3. Neither the name of STMicroelectronics nor the names of its contributors
|
---|
| 21 | * may be used to endorse or promote products derived from this software
|
---|
| 22 | * without specific prior written permission.
|
---|
| 23 | *
|
---|
| 24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
---|
| 25 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
---|
| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
---|
| 27 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
---|
| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
---|
| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
---|
| 30 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
---|
| 31 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
---|
| 32 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
---|
| 33 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
---|
| 34 | *
|
---|
| 35 | ******************************************************************************
|
---|
| 36 | */
|
---|
| 37 |
|
---|
| 38 | /* Includes ------------------------------------------------------------------*/
|
---|
| 39 | #include "stm32f4xx_hal.h"
|
---|
| 40 |
|
---|
| 41 | /** @addtogroup STM32F4xx_HAL_Driver
|
---|
| 42 | * @{
|
---|
| 43 | */
|
---|
| 44 | /** @defgroup LTDCEx LTDCEx
|
---|
| 45 | * @brief LTDC HAL module driver
|
---|
| 46 | * @{
|
---|
| 47 | */
|
---|
| 48 |
|
---|
| 49 | #ifdef HAL_LTDC_MODULE_ENABLED
|
---|
| 50 |
|
---|
| 51 | /* Private typedef -----------------------------------------------------------*/
|
---|
| 52 | /* Private define ------------------------------------------------------------*/
|
---|
| 53 | /* Private macro -------------------------------------------------------------*/
|
---|
| 54 | /* Private variables ---------------------------------------------------------*/
|
---|
| 55 | /* Private function prototypes -----------------------------------------------*/
|
---|
| 56 | /* Exported functions --------------------------------------------------------*/
|
---|
| 57 |
|
---|
| 58 | /** @defgroup LTDCEx_Exported_Functions LTDC Extended Exported Functions
|
---|
| 59 | * @{
|
---|
| 60 | */
|
---|
| 61 |
|
---|
| 62 | /** @defgroup LTDCEx_Exported_Functions_Group1 Initialization and Configuration functions
|
---|
| 63 | * @brief Initialization and Configuration functions
|
---|
| 64 | *
|
---|
| 65 | @verbatim
|
---|
| 66 | ===============================================================================
|
---|
| 67 | ##### Initialization and Configuration functions #####
|
---|
| 68 | ===============================================================================
|
---|
| 69 | [..] This section provides functions allowing to:
|
---|
| 70 | (+) Initialize and configure the LTDC
|
---|
| 71 |
|
---|
| 72 | @endverbatim
|
---|
| 73 | * @{
|
---|
| 74 | */
|
---|
| 75 | #if defined(STM32F469xx) || defined(STM32F479xx)
|
---|
| 76 | /**
|
---|
| 77 | * @brief Retrieve common parameters from DSI Video mode configuration structure
|
---|
| 78 | * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
|
---|
| 79 | * the configuration information for the LTDC.
|
---|
| 80 | * @param VidCfg: pointer to a DSI_VidCfgTypeDef structure that contains
|
---|
| 81 | * the DSI video mode configuration parameters
|
---|
| 82 | * @note The implementation of this function is taking into account the LTDC
|
---|
| 83 | * polarities inversion as described in the current LTDC specification
|
---|
| 84 | * @retval HAL status
|
---|
| 85 | */
|
---|
| 86 | HAL_StatusTypeDef HAL_LTDC_StructInitFromVideoConfig(LTDC_HandleTypeDef* hltdc, DSI_VidCfgTypeDef *VidCfg)
|
---|
| 87 | {
|
---|
| 88 | /* Retrieve signal polarities from DSI */
|
---|
| 89 |
|
---|
| 90 | /* The following polarities are inverted:
|
---|
| 91 | LTDC_DEPOLARITY_AL <-> LTDC_DEPOLARITY_AH
|
---|
| 92 | LTDC_VSPOLARITY_AL <-> LTDC_VSPOLARITY_AH
|
---|
| 93 | LTDC_HSPOLARITY_AL <-> LTDC_HSPOLARITY_AH)*/
|
---|
| 94 |
|
---|
| 95 | /* Note 1 : Code in line w/ Current LTDC specification */
|
---|
| 96 | hltdc->Init.DEPolarity = (VidCfg->DEPolarity == DSI_DATA_ENABLE_ACTIVE_HIGH) ? LTDC_DEPOLARITY_AL : LTDC_DEPOLARITY_AH;
|
---|
| 97 | hltdc->Init.VSPolarity = (VidCfg->VSPolarity == DSI_VSYNC_ACTIVE_HIGH) ? LTDC_VSPOLARITY_AL : LTDC_VSPOLARITY_AH;
|
---|
| 98 | hltdc->Init.HSPolarity = (VidCfg->HSPolarity == DSI_HSYNC_ACTIVE_HIGH) ? LTDC_HSPOLARITY_AL : LTDC_HSPOLARITY_AH;
|
---|
| 99 |
|
---|
| 100 | /* Note 2: Code to be used in case LTDC polarities inversion updated in the specification */
|
---|
| 101 | /* hltdc->Init.DEPolarity = VidCfg->DEPolarity << 29;
|
---|
| 102 | hltdc->Init.VSPolarity = VidCfg->VSPolarity << 29;
|
---|
| 103 | hltdc->Init.HSPolarity = VidCfg->HSPolarity << 29; */
|
---|
| 104 |
|
---|
| 105 | /* Retrieve vertical timing parameters from DSI */
|
---|
| 106 | hltdc->Init.VerticalSync = VidCfg->VerticalSyncActive - 1;
|
---|
| 107 | hltdc->Init.AccumulatedVBP = VidCfg->VerticalSyncActive + VidCfg->VerticalBackPorch - 1;
|
---|
| 108 | hltdc->Init.AccumulatedActiveH = VidCfg->VerticalSyncActive + VidCfg->VerticalBackPorch + VidCfg->VerticalActive - 1;
|
---|
| 109 | hltdc->Init.TotalHeigh = VidCfg->VerticalSyncActive + VidCfg->VerticalBackPorch + VidCfg->VerticalActive + VidCfg->VerticalFrontPorch - 1;
|
---|
| 110 |
|
---|
| 111 | return HAL_OK;
|
---|
| 112 | }
|
---|
| 113 |
|
---|
| 114 | /**
|
---|
| 115 | * @brief Retrieve common parameters from DSI Adapted command mode configuration structure
|
---|
| 116 | * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
|
---|
| 117 | * the configuration information for the LTDC.
|
---|
| 118 | * @param CmdCfg: pointer to a DSI_CmdCfgTypeDef structure that contains
|
---|
| 119 | * the DSI command mode configuration parameters
|
---|
| 120 | * @note The implementation of this function is taking into account the LTDC
|
---|
| 121 | * polarities inversion as described in the current LTDC specification
|
---|
| 122 | * @retval HAL status
|
---|
| 123 | */
|
---|
| 124 | HAL_StatusTypeDef HAL_LTDC_StructInitFromAdaptedCommandConfig(LTDC_HandleTypeDef* hltdc, DSI_CmdCfgTypeDef *CmdCfg)
|
---|
| 125 | {
|
---|
| 126 | /* Retrieve signal polarities from DSI */
|
---|
| 127 |
|
---|
| 128 | /* The following polarities are inverted:
|
---|
| 129 | LTDC_DEPOLARITY_AL <-> LTDC_DEPOLARITY_AH
|
---|
| 130 | LTDC_VSPOLARITY_AL <-> LTDC_VSPOLARITY_AH
|
---|
| 131 | LTDC_HSPOLARITY_AL <-> LTDC_HSPOLARITY_AH)*/
|
---|
| 132 |
|
---|
| 133 | /* Note 1 : Code in line w/ Current LTDC specification */
|
---|
| 134 | hltdc->Init.DEPolarity = (CmdCfg->DEPolarity == DSI_DATA_ENABLE_ACTIVE_HIGH) ? LTDC_DEPOLARITY_AL : LTDC_DEPOLARITY_AH;
|
---|
| 135 | hltdc->Init.VSPolarity = (CmdCfg->VSPolarity == DSI_VSYNC_ACTIVE_HIGH) ? LTDC_VSPOLARITY_AL : LTDC_VSPOLARITY_AH;
|
---|
| 136 | hltdc->Init.HSPolarity = (CmdCfg->HSPolarity == DSI_HSYNC_ACTIVE_HIGH) ? LTDC_HSPOLARITY_AL : LTDC_HSPOLARITY_AH;
|
---|
| 137 |
|
---|
| 138 | /* Note 2: Code to be used in case LTDC polarities inversion updated in the specification */
|
---|
| 139 | /* hltdc->Init.DEPolarity = CmdCfg->DEPolarity << 29;
|
---|
| 140 | hltdc->Init.VSPolarity = CmdCfg->VSPolarity << 29;
|
---|
| 141 | hltdc->Init.HSPolarity = CmdCfg->HSPolarity << 29; */
|
---|
| 142 |
|
---|
| 143 | return HAL_OK;
|
---|
| 144 | }
|
---|
| 145 | #endif /* STM32F469xx || STM32F479xx */
|
---|
| 146 |
|
---|
| 147 | /**
|
---|
| 148 | * @}
|
---|
| 149 | */
|
---|
| 150 |
|
---|
| 151 | /**
|
---|
| 152 | * @}
|
---|
| 153 | */
|
---|
| 154 |
|
---|
| 155 | #endif /* HAL_DCMI_MODULE_ENABLED */
|
---|
| 156 | /**
|
---|
| 157 | * @}
|
---|
| 158 | */
|
---|
| 159 |
|
---|
| 160 | /**
|
---|
| 161 | * @}
|
---|
| 162 | */
|
---|
| 163 |
|
---|
| 164 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
---|