Thomas Lyp / DevLibMemoryController

Initial commit

Dependencies:   FastPWM

mbed-dev-master/targets/TARGET_STM/TARGET_STM32F4/device/stm32f4xx_hal_ltdc_ex.c@0:bb348c97df44, 2020-09-16 (annotated)

Committer:
lypinator
Date:
Wed Sep 16 01:11:49 2020 +0000
Revision:
0:bb348c97df44
Added PWM

Who changed what in which revision?

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lypinator 0:bb348c97df44 1 /**
lypinator 0:bb348c97df44 2 ******************************************************************************
lypinator 0:bb348c97df44 3 * @file stm32f4xx_hal_ltdc_ex.c
lypinator 0:bb348c97df44 4 * @author MCD Application Team
lypinator 0:bb348c97df44 5 * @brief LTDC Extension HAL module driver.
lypinator 0:bb348c97df44 6 ******************************************************************************
lypinator 0:bb348c97df44 7 * @attention
lypinator 0:bb348c97df44 8 *
lypinator 0:bb348c97df44 9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
lypinator 0:bb348c97df44 10 *
lypinator 0:bb348c97df44 11 * Redistribution and use in source and binary forms, with or without modification,
lypinator 0:bb348c97df44 12 * are permitted provided that the following conditions are met:
lypinator 0:bb348c97df44 13 * 1. Redistributions of source code must retain the above copyright notice,
lypinator 0:bb348c97df44 14 * this list of conditions and the following disclaimer.
lypinator 0:bb348c97df44 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
lypinator 0:bb348c97df44 16 * this list of conditions and the following disclaimer in the documentation
lypinator 0:bb348c97df44 17 * and/or other materials provided with the distribution.
lypinator 0:bb348c97df44 18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
lypinator 0:bb348c97df44 19 * may be used to endorse or promote products derived from this software
lypinator 0:bb348c97df44 20 * without specific prior written permission.
lypinator 0:bb348c97df44 21 *
lypinator 0:bb348c97df44 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
lypinator 0:bb348c97df44 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
lypinator 0:bb348c97df44 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
lypinator 0:bb348c97df44 25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
lypinator 0:bb348c97df44 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
lypinator 0:bb348c97df44 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
lypinator 0:bb348c97df44 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
lypinator 0:bb348c97df44 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
lypinator 0:bb348c97df44 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
lypinator 0:bb348c97df44 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
lypinator 0:bb348c97df44 32 *
lypinator 0:bb348c97df44 33 ******************************************************************************
lypinator 0:bb348c97df44 34 */
lypinator 0:bb348c97df44 35
lypinator 0:bb348c97df44 36 /* Includes ------------------------------------------------------------------*/
lypinator 0:bb348c97df44 37 #include "stm32f4xx_hal.h"
lypinator 0:bb348c97df44 38
lypinator 0:bb348c97df44 39 /** @addtogroup STM32F4xx_HAL_Driver
lypinator 0:bb348c97df44 40 * @{
lypinator 0:bb348c97df44 41 */
lypinator 0:bb348c97df44 42 /** @defgroup LTDCEx LTDCEx
lypinator 0:bb348c97df44 43 * @brief LTDC HAL module driver
lypinator 0:bb348c97df44 44 * @{
lypinator 0:bb348c97df44 45 */
lypinator 0:bb348c97df44 46
lypinator 0:bb348c97df44 47 #ifdef HAL_LTDC_MODULE_ENABLED
lypinator 0:bb348c97df44 48
lypinator 0:bb348c97df44 49 /* Private typedef -----------------------------------------------------------*/
lypinator 0:bb348c97df44 50 /* Private define ------------------------------------------------------------*/
lypinator 0:bb348c97df44 51 /* Private macro -------------------------------------------------------------*/
lypinator 0:bb348c97df44 52 /* Private variables ---------------------------------------------------------*/
lypinator 0:bb348c97df44 53 /* Private function prototypes -----------------------------------------------*/
lypinator 0:bb348c97df44 54 /* Exported functions --------------------------------------------------------*/
lypinator 0:bb348c97df44 55
lypinator 0:bb348c97df44 56 /** @defgroup LTDCEx_Exported_Functions LTDC Extended Exported Functions
lypinator 0:bb348c97df44 57 * @{
lypinator 0:bb348c97df44 58 */
lypinator 0:bb348c97df44 59
lypinator 0:bb348c97df44 60 /** @defgroup LTDCEx_Exported_Functions_Group1 Initialization and Configuration functions
lypinator 0:bb348c97df44 61 * @brief Initialization and Configuration functions
lypinator 0:bb348c97df44 62 *
lypinator 0:bb348c97df44 63 @verbatim
lypinator 0:bb348c97df44 64 ===============================================================================
lypinator 0:bb348c97df44 65 ##### Initialization and Configuration functions #####
lypinator 0:bb348c97df44 66 ===============================================================================
lypinator 0:bb348c97df44 67 [..] This section provides functions allowing to:
lypinator 0:bb348c97df44 68 (+) Initialize and configure the LTDC
lypinator 0:bb348c97df44 69
lypinator 0:bb348c97df44 70 @endverbatim
lypinator 0:bb348c97df44 71 * @{
lypinator 0:bb348c97df44 72 */
lypinator 0:bb348c97df44 73 #if defined(STM32F469xx) || defined(STM32F479xx)
lypinator 0:bb348c97df44 74 /**
lypinator 0:bb348c97df44 75 * @brief Retrieve common parameters from DSI Video mode configuration structure
lypinator 0:bb348c97df44 76 * @param hltdc pointer to a LTDC_HandleTypeDef structure that contains
lypinator 0:bb348c97df44 77 * the configuration information for the LTDC.
lypinator 0:bb348c97df44 78 * @param VidCfg pointer to a DSI_VidCfgTypeDef structure that contains
lypinator 0:bb348c97df44 79 * the DSI video mode configuration parameters
lypinator 0:bb348c97df44 80 * @note The implementation of this function is taking into account the LTDC
lypinator 0:bb348c97df44 81 * polarities inversion as described in the current LTDC specification
lypinator 0:bb348c97df44 82 * @retval HAL status
lypinator 0:bb348c97df44 83 */
lypinator 0:bb348c97df44 84 HAL_StatusTypeDef HAL_LTDCEx_StructInitFromVideoConfig(LTDC_HandleTypeDef* hltdc, DSI_VidCfgTypeDef *VidCfg)
lypinator 0:bb348c97df44 85 {
lypinator 0:bb348c97df44 86 /* Retrieve signal polarities from DSI */
lypinator 0:bb348c97df44 87
lypinator 0:bb348c97df44 88 /* The following polarity is inverted:
lypinator 0:bb348c97df44 89 LTDC_DEPOLARITY_AL <-> LTDC_DEPOLARITY_AH */
lypinator 0:bb348c97df44 90
lypinator 0:bb348c97df44 91 /* Note 1 : Code in line w/ Current LTDC specification */
lypinator 0:bb348c97df44 92 hltdc->Init.DEPolarity = (VidCfg->DEPolarity == DSI_DATA_ENABLE_ACTIVE_HIGH) ? LTDC_DEPOLARITY_AL : LTDC_DEPOLARITY_AH;
lypinator 0:bb348c97df44 93 hltdc->Init.VSPolarity = (VidCfg->VSPolarity == DSI_VSYNC_ACTIVE_HIGH) ? LTDC_VSPOLARITY_AH : LTDC_VSPOLARITY_AL;
lypinator 0:bb348c97df44 94 hltdc->Init.HSPolarity = (VidCfg->HSPolarity == DSI_HSYNC_ACTIVE_HIGH) ? LTDC_HSPOLARITY_AH : LTDC_HSPOLARITY_AL;
lypinator 0:bb348c97df44 95
lypinator 0:bb348c97df44 96 /* Note 2: Code to be used in case LTDC polarities inversion updated in the specification */
lypinator 0:bb348c97df44 97 /* hltdc->Init.DEPolarity = VidCfg->DEPolarity << 29;
lypinator 0:bb348c97df44 98 hltdc->Init.VSPolarity = VidCfg->VSPolarity << 29;
lypinator 0:bb348c97df44 99 hltdc->Init.HSPolarity = VidCfg->HSPolarity << 29; */
lypinator 0:bb348c97df44 100
lypinator 0:bb348c97df44 101 /* Retrieve vertical timing parameters from DSI */
lypinator 0:bb348c97df44 102 hltdc->Init.VerticalSync = VidCfg->VerticalSyncActive - 1U;
lypinator 0:bb348c97df44 103 hltdc->Init.AccumulatedVBP = VidCfg->VerticalSyncActive + VidCfg->VerticalBackPorch - 1U;
lypinator 0:bb348c97df44 104 hltdc->Init.AccumulatedActiveH = VidCfg->VerticalSyncActive + VidCfg->VerticalBackPorch + VidCfg->VerticalActive - 1U;
lypinator 0:bb348c97df44 105 hltdc->Init.TotalHeigh = VidCfg->VerticalSyncActive + VidCfg->VerticalBackPorch + VidCfg->VerticalActive + VidCfg->VerticalFrontPorch - 1U;
lypinator 0:bb348c97df44 106
lypinator 0:bb348c97df44 107 return HAL_OK;
lypinator 0:bb348c97df44 108 }
lypinator 0:bb348c97df44 109
lypinator 0:bb348c97df44 110 /**
lypinator 0:bb348c97df44 111 * @brief Retrieve common parameters from DSI Adapted command mode configuration structure
lypinator 0:bb348c97df44 112 * @param hltdc pointer to a LTDC_HandleTypeDef structure that contains
lypinator 0:bb348c97df44 113 * the configuration information for the LTDC.
lypinator 0:bb348c97df44 114 * @param CmdCfg pointer to a DSI_CmdCfgTypeDef structure that contains
lypinator 0:bb348c97df44 115 * the DSI command mode configuration parameters
lypinator 0:bb348c97df44 116 * @note The implementation of this function is taking into account the LTDC
lypinator 0:bb348c97df44 117 * polarities inversion as described in the current LTDC specification
lypinator 0:bb348c97df44 118 * @retval HAL status
lypinator 0:bb348c97df44 119 */
lypinator 0:bb348c97df44 120 HAL_StatusTypeDef HAL_LTDCEx_StructInitFromAdaptedCommandConfig(LTDC_HandleTypeDef* hltdc, DSI_CmdCfgTypeDef *CmdCfg)
lypinator 0:bb348c97df44 121 {
lypinator 0:bb348c97df44 122 /* Retrieve signal polarities from DSI */
lypinator 0:bb348c97df44 123
lypinator 0:bb348c97df44 124 /* The following polarities are inverted:
lypinator 0:bb348c97df44 125 LTDC_DEPOLARITY_AL <-> LTDC_DEPOLARITY_AH
lypinator 0:bb348c97df44 126 LTDC_VSPOLARITY_AL <-> LTDC_VSPOLARITY_AH
lypinator 0:bb348c97df44 127 LTDC_HSPOLARITY_AL <-> LTDC_HSPOLARITY_AH)*/
lypinator 0:bb348c97df44 128
lypinator 0:bb348c97df44 129 /* Note 1 : Code in line w/ Current LTDC specification */
lypinator 0:bb348c97df44 130 hltdc->Init.DEPolarity = (CmdCfg->DEPolarity == DSI_DATA_ENABLE_ACTIVE_HIGH) ? LTDC_DEPOLARITY_AL : LTDC_DEPOLARITY_AH;
lypinator 0:bb348c97df44 131 hltdc->Init.VSPolarity = (CmdCfg->VSPolarity == DSI_VSYNC_ACTIVE_HIGH) ? LTDC_VSPOLARITY_AL : LTDC_VSPOLARITY_AH;
lypinator 0:bb348c97df44 132 hltdc->Init.HSPolarity = (CmdCfg->HSPolarity == DSI_HSYNC_ACTIVE_HIGH) ? LTDC_HSPOLARITY_AL : LTDC_HSPOLARITY_AH;
lypinator 0:bb348c97df44 133
lypinator 0:bb348c97df44 134 /* Note 2: Code to be used in case LTDC polarities inversion updated in the specification */
lypinator 0:bb348c97df44 135 /* hltdc->Init.DEPolarity = CmdCfg->DEPolarity << 29;
lypinator 0:bb348c97df44 136 hltdc->Init.VSPolarity = CmdCfg->VSPolarity << 29;
lypinator 0:bb348c97df44 137 hltdc->Init.HSPolarity = CmdCfg->HSPolarity << 29; */
lypinator 0:bb348c97df44 138
lypinator 0:bb348c97df44 139 return HAL_OK;
lypinator 0:bb348c97df44 140 }
lypinator 0:bb348c97df44 141 #endif /* STM32F469xx || STM32F479xx */
lypinator 0:bb348c97df44 142
lypinator 0:bb348c97df44 143 /**
lypinator 0:bb348c97df44 144 * @}
lypinator 0:bb348c97df44 145 */
lypinator 0:bb348c97df44 146
lypinator 0:bb348c97df44 147 /**
lypinator 0:bb348c97df44 148 * @}
lypinator 0:bb348c97df44 149 */
lypinator 0:bb348c97df44 150
lypinator 0:bb348c97df44 151 #endif /* HAL_DCMI_MODULE_ENABLED */
lypinator 0:bb348c97df44 152 /**
lypinator 0:bb348c97df44 153 * @}
lypinator 0:bb348c97df44 154 */
lypinator 0:bb348c97df44 155
lypinator 0:bb348c97df44 156 /**
lypinator 0:bb348c97df44 157 * @}
lypinator 0:bb348c97df44 158 */
lypinator 0:bb348c97df44 159
lypinator 0:bb348c97df44 160 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/