diff options
Diffstat (limited to 'bsps/arm/stm32h7/hal/stm32h7xx_hal_ltdc_ex.c')
-rw-r--r-- | bsps/arm/stm32h7/hal/stm32h7xx_hal_ltdc_ex.c | 300 |
1 files changed, 151 insertions, 149 deletions
diff --git a/bsps/arm/stm32h7/hal/stm32h7xx_hal_ltdc_ex.c b/bsps/arm/stm32h7/hal/stm32h7xx_hal_ltdc_ex.c index d13c6e7cc8..758d031ad7 100644 --- a/bsps/arm/stm32h7/hal/stm32h7xx_hal_ltdc_ex.c +++ b/bsps/arm/stm32h7/hal/stm32h7xx_hal_ltdc_ex.c @@ -1,152 +1,154 @@ -/**
- ******************************************************************************
- * @file stm32h7xx_hal_ltdc_ex.c
- * @author MCD Application Team
- * @brief LTDC Extension HAL module driver.
- ******************************************************************************
- * @attention
- *
- * <h2><center>© Copyright (c) 2017 STMicroelectronics.
- * All rights reserved.</center></h2>
- *
- * This software component is licensed by ST under BSD 3-Clause license,
- * the "License"; You may not use this file except in compliance with the
- * License. You may obtain a copy of the License at:
- * opensource.org/licenses/BSD-3-Clause
- *
- ******************************************************************************
- */
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32h7xx_hal.h"
-
-/** @addtogroup STM32H7xx_HAL_Driver
- * @{
- */
-
-#if defined(HAL_LTDC_MODULE_ENABLED) && defined(HAL_DSI_MODULE_ENABLED)
-
-#if defined (LTDC) && defined (DSI)
-
-/** @defgroup LTDCEx LTDCEx
+/** + ****************************************************************************** + * @file stm32h7xx_hal_ltdc_ex.c + * @author MCD Application Team + * @brief LTDC Extension HAL module driver. + ****************************************************************************** + * @attention + * + * Copyright (c) 2017 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32h7xx_hal.h" + +/** @addtogroup STM32H7xx_HAL_Driver + * @{ + */ + +#if defined(HAL_LTDC_MODULE_ENABLED) && defined(HAL_DSI_MODULE_ENABLED) + +#if defined (LTDC) && defined (DSI) + +/** @defgroup LTDCEx LTDCEx * @ingroup RTEMSBSPsARMSTM32H7 - * @brief LTDC HAL module driver
- * @{
- */
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Private function prototypes -----------------------------------------------*/
-/* Exported functions --------------------------------------------------------*/
-
-/** @defgroup LTDCEx_Exported_Functions LTDC Extended Exported Functions
+ * @brief LTDC HAL module driver + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Exported functions --------------------------------------------------------*/ + +/** @defgroup LTDCEx_Exported_Functions LTDC Extended Exported Functions * @ingroup RTEMSBSPsARMSTM32H7 - * @{
- */
-
-/** @defgroup LTDCEx_Exported_Functions_Group1 Initialization and Configuration functions
+ * @{ + */ + +/** @defgroup LTDCEx_Exported_Functions_Group1 Initialization and Configuration functions * @ingroup RTEMSBSPsARMSTM32H7 - * @brief Initialization and Configuration functions
- *
-@verbatim
- ===============================================================================
- ##### Initialization and Configuration functions #####
- ===============================================================================
- [..] This section provides functions allowing to:
- (+) Initialize and configure the LTDC
-
-@endverbatim
- * @{
- */
-
-/**
- * @brief Retrieve common parameters from DSI Video mode configuration structure
- * @param hltdc pointer to a LTDC_HandleTypeDef structure that contains
- * the configuration information for the LTDC.
- * @param VidCfg pointer to a DSI_VidCfgTypeDef structure that contains
- * the DSI video mode configuration parameters
- * @note The implementation of this function is taking into account the LTDC
- * polarities inversion as described in the current LTDC specification
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_LTDCEx_StructInitFromVideoConfig(LTDC_HandleTypeDef *hltdc, DSI_VidCfgTypeDef *VidCfg)
-{
- /* Retrieve signal polarities from DSI */
-
- /* The following polarity is inverted:
- LTDC_DEPOLARITY_AL <-> LTDC_DEPOLARITY_AH */
-
- /* Note 1 : Code in line w/ Current LTDC specification */
- hltdc->Init.DEPolarity = (VidCfg->DEPolarity == DSI_DATA_ENABLE_ACTIVE_HIGH) ? LTDC_DEPOLARITY_AL : LTDC_DEPOLARITY_AH;
- hltdc->Init.VSPolarity = (VidCfg->VSPolarity == DSI_VSYNC_ACTIVE_HIGH) ? LTDC_VSPOLARITY_AH : LTDC_VSPOLARITY_AL;
- hltdc->Init.HSPolarity = (VidCfg->HSPolarity == DSI_HSYNC_ACTIVE_HIGH) ? LTDC_HSPOLARITY_AH : LTDC_HSPOLARITY_AL;
-
- /* Note 2: Code to be used in case LTDC polarities inversion updated in the specification */
- /* hltdc->Init.DEPolarity = VidCfg->DEPolarity << 29;
- hltdc->Init.VSPolarity = VidCfg->VSPolarity << 29;
- hltdc->Init.HSPolarity = VidCfg->HSPolarity << 29; */
-
- /* Retrieve vertical timing parameters from DSI */
- hltdc->Init.VerticalSync = VidCfg->VerticalSyncActive - 1U;
- hltdc->Init.AccumulatedVBP = VidCfg->VerticalSyncActive + VidCfg->VerticalBackPorch - 1U;
- hltdc->Init.AccumulatedActiveH = VidCfg->VerticalSyncActive + VidCfg->VerticalBackPorch + VidCfg->VerticalActive - 1U;
- hltdc->Init.TotalHeigh = VidCfg->VerticalSyncActive + VidCfg->VerticalBackPorch + VidCfg->VerticalActive + VidCfg->VerticalFrontPorch - 1U;
-
- return HAL_OK;
-}
-
-/**
- * @brief Retrieve common parameters from DSI Adapted command mode configuration structure
- * @param hltdc pointer to a LTDC_HandleTypeDef structure that contains
- * the configuration information for the LTDC.
- * @param CmdCfg pointer to a DSI_CmdCfgTypeDef structure that contains
- * the DSI command mode configuration parameters
- * @note The implementation of this function is taking into account the LTDC
- * polarities inversion as described in the current LTDC specification
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_LTDCEx_StructInitFromAdaptedCommandConfig(LTDC_HandleTypeDef *hltdc, DSI_CmdCfgTypeDef *CmdCfg)
-{
- /* Retrieve signal polarities from DSI */
-
- /* The following polarities are inverted:
- LTDC_DEPOLARITY_AL <-> LTDC_DEPOLARITY_AH
- LTDC_VSPOLARITY_AL <-> LTDC_VSPOLARITY_AH
- LTDC_HSPOLARITY_AL <-> LTDC_HSPOLARITY_AH)*/
-
- /* Note 1 : Code in line w/ Current LTDC specification */
- hltdc->Init.DEPolarity = (CmdCfg->DEPolarity == DSI_DATA_ENABLE_ACTIVE_HIGH) ? LTDC_DEPOLARITY_AL : LTDC_DEPOLARITY_AH;
- hltdc->Init.VSPolarity = (CmdCfg->VSPolarity == DSI_VSYNC_ACTIVE_HIGH) ? LTDC_VSPOLARITY_AL : LTDC_VSPOLARITY_AH;
- hltdc->Init.HSPolarity = (CmdCfg->HSPolarity == DSI_HSYNC_ACTIVE_HIGH) ? LTDC_HSPOLARITY_AL : LTDC_HSPOLARITY_AH;
-
- /* Note 2: Code to be used in case LTDC polarities inversion updated in the specification */
- /* hltdc->Init.DEPolarity = CmdCfg->DEPolarity << 29;
- hltdc->Init.VSPolarity = CmdCfg->VSPolarity << 29;
- hltdc->Init.HSPolarity = CmdCfg->HSPolarity << 29; */
-
- return HAL_OK;
-}
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-#endif /* LTDC && DSI */
-
-#endif /* HAL_LTCD_MODULE_ENABLED && HAL_DSI_MODULE_ENABLED */
-
-/**
- * @}
- */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+ * @brief Initialization and Configuration functions + * +@verbatim + =============================================================================== + ##### Initialization and Configuration functions ##### + =============================================================================== + [..] This section provides functions allowing to: + (+) Initialize and configure the LTDC + +@endverbatim + * @{ + */ + +/** + * @brief Retrieve common parameters from DSI Video mode configuration structure + * @param hltdc pointer to a LTDC_HandleTypeDef structure that contains + * the configuration information for the LTDC. + * @param VidCfg pointer to a DSI_VidCfgTypeDef structure that contains + * the DSI video mode configuration parameters + * @note The implementation of this function is taking into account the LTDC + * polarities inversion as described in the current LTDC specification + * @retval HAL status + */ +HAL_StatusTypeDef HAL_LTDCEx_StructInitFromVideoConfig(LTDC_HandleTypeDef *hltdc, DSI_VidCfgTypeDef *VidCfg) +{ + /* Retrieve signal polarities from DSI */ + + /* The following polarity is inverted: + LTDC_DEPOLARITY_AL <-> LTDC_DEPOLARITY_AH */ + + /* Note 1 : Code in line w/ Current LTDC specification */ + hltdc->Init.DEPolarity = (VidCfg->DEPolarity == \ + DSI_DATA_ENABLE_ACTIVE_HIGH) ? LTDC_DEPOLARITY_AL : LTDC_DEPOLARITY_AH; + hltdc->Init.VSPolarity = (VidCfg->VSPolarity == DSI_VSYNC_ACTIVE_HIGH) ? LTDC_VSPOLARITY_AH : LTDC_VSPOLARITY_AL; + hltdc->Init.HSPolarity = (VidCfg->HSPolarity == DSI_HSYNC_ACTIVE_HIGH) ? LTDC_HSPOLARITY_AH : LTDC_HSPOLARITY_AL; + + /* Note 2: Code to be used in case LTDC polarities inversion updated in the specification */ + /* hltdc->Init.DEPolarity = VidCfg->DEPolarity << 29; + hltdc->Init.VSPolarity = VidCfg->VSPolarity << 29; + hltdc->Init.HSPolarity = VidCfg->HSPolarity << 29; */ + + /* Retrieve vertical timing parameters from DSI */ + hltdc->Init.VerticalSync = VidCfg->VerticalSyncActive - 1U; + hltdc->Init.AccumulatedVBP = VidCfg->VerticalSyncActive + VidCfg->VerticalBackPorch - 1U; + hltdc->Init.AccumulatedActiveH = VidCfg->VerticalSyncActive + VidCfg->VerticalBackPorch + \ + VidCfg->VerticalActive - 1U; + hltdc->Init.TotalHeigh = VidCfg->VerticalSyncActive + VidCfg->VerticalBackPorch + \ + VidCfg->VerticalActive + VidCfg->VerticalFrontPorch - 1U; + + return HAL_OK; +} + +/** + * @brief Retrieve common parameters from DSI Adapted command mode configuration structure + * @param hltdc pointer to a LTDC_HandleTypeDef structure that contains + * the configuration information for the LTDC. + * @param CmdCfg pointer to a DSI_CmdCfgTypeDef structure that contains + * the DSI command mode configuration parameters + * @note The implementation of this function is taking into account the LTDC + * polarities inversion as described in the current LTDC specification + * @retval HAL status + */ +HAL_StatusTypeDef HAL_LTDCEx_StructInitFromAdaptedCommandConfig(LTDC_HandleTypeDef *hltdc, DSI_CmdCfgTypeDef *CmdCfg) +{ + /* Retrieve signal polarities from DSI */ + + /* The following polarities are inverted: + LTDC_DEPOLARITY_AL <-> LTDC_DEPOLARITY_AH + LTDC_VSPOLARITY_AL <-> LTDC_VSPOLARITY_AH + LTDC_HSPOLARITY_AL <-> LTDC_HSPOLARITY_AH)*/ + + /* Note 1 : Code in line w/ Current LTDC specification */ + hltdc->Init.DEPolarity = (CmdCfg->DEPolarity == \ + DSI_DATA_ENABLE_ACTIVE_HIGH) ? LTDC_DEPOLARITY_AL : LTDC_DEPOLARITY_AH; + hltdc->Init.VSPolarity = (CmdCfg->VSPolarity == DSI_VSYNC_ACTIVE_HIGH) ? LTDC_VSPOLARITY_AL : LTDC_VSPOLARITY_AH; + hltdc->Init.HSPolarity = (CmdCfg->HSPolarity == DSI_HSYNC_ACTIVE_HIGH) ? LTDC_HSPOLARITY_AL : LTDC_HSPOLARITY_AH; + + /* Note 2: Code to be used in case LTDC polarities inversion updated in the specification */ + /* hltdc->Init.DEPolarity = CmdCfg->DEPolarity << 29; + hltdc->Init.VSPolarity = CmdCfg->VSPolarity << 29; + hltdc->Init.HSPolarity = CmdCfg->HSPolarity << 29; */ + + return HAL_OK; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#endif /* LTDC && DSI */ + +#endif /* HAL_LTCD_MODULE_ENABLED && HAL_DSI_MODULE_ENABLED */ + +/** + * @} + */ + |