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Diffstat (limited to 'c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dcmi.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dcmi.c | 832 |
1 files changed, 832 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dcmi.c b/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dcmi.c new file mode 100644 index 0000000000..de9f5f96b7 --- /dev/null +++ b/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dcmi.c @@ -0,0 +1,832 @@ +/** + ****************************************************************************** + * @file stm32f4xx_hal_dcmi.c + * @author MCD Application Team + * @version V1.4.0 + * @date 14-August-2015 + * @brief DCMI HAL module driver + * This file provides firmware functions to manage the following + * functionalities of the Digital Camera Interface (DCMI) peripheral: + * + Initialization and de-initialization functions + * + IO operation functions + * + Peripheral Control functions + * + Peripheral State and Error functions + * + @verbatim + ============================================================================== + ##### How to use this driver ##### + ============================================================================== + [..] + The sequence below describes how to use this driver to capture image + from a camera module connected to the DCMI Interface. + This sequence does not take into account the configuration of the + camera module, which should be made before to configure and enable + the DCMI to capture images. + + (#) Program the required configuration through following parameters: + horizontal and vertical polarity, pixel clock polarity, Capture Rate, + Synchronization Mode, code of the frame delimiter and data width + using HAL_DCMI_Init() function. + + (#) Configure the DMA2_Stream1 channel1 to transfer Data from DCMI DR + register to the destination memory buffer. + + (#) Program the required configuration through following parameters: + DCMI mode, destination memory Buffer address and the data length + and enable capture using HAL_DCMI_Start_DMA() function. + + (#) Optionally, configure and Enable the CROP feature to select a rectangular + window from the received image using HAL_DCMI_ConfigCrop() + and HAL_DCMI_EnableCROP() functions + + (#) The capture can be stopped using HAL_DCMI_Stop() function. + + (#) To control DCMI state you can use the function HAL_DCMI_GetState(). + + *** DCMI HAL driver macros list *** + ============================================= + [..] + Below the list of most used macros in DCMI HAL driver. + + (+) __HAL_DCMI_ENABLE: Enable the DCMI peripheral. + (+) __HAL_DCMI_DISABLE: Disable the DCMI peripheral. + (+) __HAL_DCMI_GET_FLAG: Get the DCMI pending flags. + (+) __HAL_DCMI_CLEAR_FLAG: Clear the DCMI pending flags. + (+) __HAL_DCMI_ENABLE_IT: Enable the specified DCMI interrupts. + (+) __HAL_DCMI_DISABLE_IT: Disable the specified DCMI interrupts. + (+) __HAL_DCMI_GET_IT_SOURCE: Check whether the specified DCMI interrupt has occurred or not. + + [..] + (@) You can refer to the DCMI HAL driver header file for more useful macros + + @endverbatim + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f4xx_hal.h" + +/** @addtogroup STM32F4xx_HAL_Driver + * @{ + */ +/** @defgroup DCMI DCMI + * @brief DCMI HAL module driver + * @{ + */ + +#ifdef HAL_DCMI_MODULE_ENABLED + +#if defined(STM32F407xx) || defined(STM32F417xx) || defined(STM32F427xx) || defined(STM32F437xx) ||\ + defined(STM32F429xx) || defined(STM32F439xx) || defined(STM32F446xx) || defined(STM32F469xx) ||\ + defined(STM32F479xx) +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +#define HAL_TIMEOUT_DCMI_STOP ((uint32_t)1000) /* 1s */ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +static void DCMI_DMAConvCplt(DMA_HandleTypeDef *hdma); +static void DCMI_DMAError(DMA_HandleTypeDef *hdma); + +/* Exported functions --------------------------------------------------------*/ + +/** @defgroup DCMI_Exported_Functions DCMI Exported Functions + * @{ + */ + +/** @defgroup DCMI_Exported_Functions_Group1 Initialization and Configuration functions + * @brief Initialization and Configuration functions + * +@verbatim + =============================================================================== + ##### Initialization and Configuration functions ##### + =============================================================================== + [..] This section provides functions allowing to: + (+) Initialize and configure the DCMI + (+) De-initialize the DCMI + +@endverbatim + * @{ + */ + +/** + * @brief Initializes the DCMI according to the specified + * parameters in the DCMI_InitTypeDef and create the associated handle. + * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains + * the configuration information for DCMI. + * @retval HAL status + */ +__weak HAL_StatusTypeDef HAL_DCMI_Init(DCMI_HandleTypeDef *hdcmi) +{ + /* Check the DCMI peripheral state */ + if(hdcmi == NULL) + { + return HAL_ERROR; + } + + /* Check function parameters */ + assert_param(IS_DCMI_ALL_INSTANCE(hdcmi->Instance)); + assert_param(IS_DCMI_PCKPOLARITY(hdcmi->Init.PCKPolarity)); + assert_param(IS_DCMI_VSPOLARITY(hdcmi->Init.VSPolarity)); + assert_param(IS_DCMI_HSPOLARITY(hdcmi->Init.HSPolarity)); + assert_param(IS_DCMI_SYNCHRO(hdcmi->Init.SynchroMode)); + assert_param(IS_DCMI_CAPTURE_RATE(hdcmi->Init.CaptureRate)); + assert_param(IS_DCMI_EXTENDED_DATA(hdcmi->Init.ExtendedDataMode)); + assert_param(IS_DCMI_MODE_JPEG(hdcmi->Init.JPEGMode)); + + if(hdcmi->State == HAL_DCMI_STATE_RESET) + { + /* Allocate lock resource and initialize it */ + hdcmi->Lock = HAL_UNLOCKED; + /* Init the low level hardware */ + HAL_DCMI_MspInit(hdcmi); + } + + /* Change the DCMI state */ + hdcmi->State = HAL_DCMI_STATE_BUSY; + /* Configures the HS, VS, DE and PC polarity */ + hdcmi->Instance->CR &= ~(DCMI_CR_PCKPOL | DCMI_CR_HSPOL | DCMI_CR_VSPOL | DCMI_CR_EDM_0 | + DCMI_CR_EDM_1 | DCMI_CR_FCRC_0 | DCMI_CR_FCRC_1 | DCMI_CR_JPEG | + DCMI_CR_ESS); + hdcmi->Instance->CR |= (uint32_t)(hdcmi->Init.SynchroMode | hdcmi->Init.CaptureRate | \ + hdcmi->Init.VSPolarity | hdcmi->Init.HSPolarity | \ + hdcmi->Init.PCKPolarity | hdcmi->Init.ExtendedDataMode | \ + hdcmi->Init.JPEGMode); + + if(hdcmi->Init.SynchroMode == DCMI_SYNCHRO_EMBEDDED) + { + DCMI->ESCR = (((uint32_t)hdcmi->Init.SyncroCode.FrameStartCode) | + ((uint32_t)hdcmi->Init.SyncroCode.LineStartCode << 8)| + ((uint32_t)hdcmi->Init.SyncroCode.LineEndCode << 16) | + ((uint32_t)hdcmi->Init.SyncroCode.FrameEndCode << 24)); + + } + + /* Enable the Line interrupt */ + __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_LINE); + + /* Enable the VSYNC interrupt */ + __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_VSYNC); + + /* Enable the Frame capture complete interrupt */ + __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_FRAME); + + /* Enable the Synchronization error interrupt */ + __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_ERR); + + /* Enable the Overflow interrupt */ + __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_OVF); + + /* Enable DCMI by setting DCMIEN bit */ + __HAL_DCMI_ENABLE(hdcmi); + + /* Update error code */ + hdcmi->ErrorCode = HAL_DCMI_ERROR_NONE; + + /* Initialize the DCMI state*/ + hdcmi->State = HAL_DCMI_STATE_READY; + + return HAL_OK; +} + +/** + * @brief Deinitializes the DCMI peripheral registers to their default reset + * values. + * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains + * the configuration information for DCMI. + * @retval HAL status + */ + +HAL_StatusTypeDef HAL_DCMI_DeInit(DCMI_HandleTypeDef *hdcmi) +{ + /* DeInit the low level hardware */ + HAL_DCMI_MspDeInit(hdcmi); + + /* Update error code */ + hdcmi->ErrorCode = HAL_DCMI_ERROR_NONE; + + /* Initialize the DCMI state*/ + hdcmi->State = HAL_DCMI_STATE_RESET; + + /* Release Lock */ + __HAL_UNLOCK(hdcmi); + + return HAL_OK; +} + +/** + * @brief Initializes the DCMI MSP. + * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains + * the configuration information for DCMI. + * @retval None + */ +__weak void HAL_DCMI_MspInit(DCMI_HandleTypeDef* hdcmi) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_DCMI_MspInit could be implemented in the user file + */ +} + +/** + * @brief DeInitializes the DCMI MSP. + * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains + * the configuration information for DCMI. + * @retval None + */ +__weak void HAL_DCMI_MspDeInit(DCMI_HandleTypeDef* hdcmi) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_DCMI_MspDeInit could be implemented in the user file + */ +} + +/** + * @} + */ +/** @defgroup DCMI_Exported_Functions_Group2 IO operation functions + * @brief IO operation functions + * +@verbatim + =============================================================================== + ##### IO operation functions ##### + =============================================================================== + [..] This section provides functions allowing to: + (+) Configure destination address and data length and + Enables DCMI DMA request and enables DCMI capture + (+) Stop the DCMI capture. + (+) Handles DCMI interrupt request. + +@endverbatim + * @{ + */ + +/** + * @brief Enables DCMI DMA request and enables DCMI capture + * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains + * the configuration information for DCMI. + * @param DCMI_Mode: DCMI capture mode snapshot or continuous grab. + * @param pData: The destination memory Buffer address (LCD Frame buffer). + * @param Length: The length of capture to be transferred. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_DCMI_Start_DMA(DCMI_HandleTypeDef* hdcmi, uint32_t DCMI_Mode, uint32_t pData, uint32_t Length) +{ + /* Initialize the second memory address */ + uint32_t SecondMemAddress = 0; + + /* Check function parameters */ + assert_param(IS_DCMI_CAPTURE_MODE(DCMI_Mode)); + + /* Process Locked */ + __HAL_LOCK(hdcmi); + + /* Lock the DCMI peripheral state */ + hdcmi->State = HAL_DCMI_STATE_BUSY; + + /* Check the parameters */ + assert_param(IS_DCMI_CAPTURE_MODE(DCMI_Mode)); + + /* Configure the DCMI Mode */ + hdcmi->Instance->CR &= ~(DCMI_CR_CM); + hdcmi->Instance->CR |= (uint32_t)(DCMI_Mode); + + /* Set the DMA memory0 conversion complete callback */ + hdcmi->DMA_Handle->XferCpltCallback = DCMI_DMAConvCplt; + + /* Set the DMA error callback */ + hdcmi->DMA_Handle->XferErrorCallback = DCMI_DMAError; + + if(Length <= 0xFFFF) + { + /* Enable the DMA Stream */ + HAL_DMA_Start_IT(hdcmi->DMA_Handle, (uint32_t)&hdcmi->Instance->DR, (uint32_t)pData, Length); + } + else /* DCMI_DOUBLE_BUFFER Mode */ + { + /* Set the DMA memory1 conversion complete callback */ + hdcmi->DMA_Handle->XferM1CpltCallback = DCMI_DMAConvCplt; + + /* Initialize transfer parameters */ + hdcmi->XferCount = 1; + hdcmi->XferSize = Length; + hdcmi->pBuffPtr = pData; + + /* Get the number of buffer */ + while(hdcmi->XferSize > 0xFFFF) + { + hdcmi->XferSize = (hdcmi->XferSize/2); + hdcmi->XferCount = hdcmi->XferCount*2; + } + + /* Update DCMI counter and transfer number*/ + hdcmi->XferCount = (hdcmi->XferCount - 2); + hdcmi->XferTransferNumber = hdcmi->XferCount; + + /* Update second memory address */ + SecondMemAddress = (uint32_t)(pData + (4*hdcmi->XferSize)); + + /* Start DMA multi buffer transfer */ + HAL_DMAEx_MultiBufferStart_IT(hdcmi->DMA_Handle, (uint32_t)&hdcmi->Instance->DR, (uint32_t)pData, SecondMemAddress, hdcmi->XferSize); + } + + /* Enable Capture */ + DCMI->CR |= DCMI_CR_CAPTURE; + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Disable DCMI DMA request and Disable DCMI capture + * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains + * the configuration information for DCMI. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_DCMI_Stop(DCMI_HandleTypeDef* hdcmi) +{ + uint32_t tickstart = 0; + + /* Lock the DCMI peripheral state */ + hdcmi->State = HAL_DCMI_STATE_BUSY; + + __HAL_DCMI_DISABLE(hdcmi); + + /* Disable Capture */ + DCMI->CR &= ~(DCMI_CR_CAPTURE); + + /* Get tick */ + tickstart = HAL_GetTick(); + + /* Check if the DCMI capture effectively disabled */ + while((hdcmi->Instance->CR & DCMI_CR_CAPTURE) != 0) + { + if((HAL_GetTick() - tickstart ) > HAL_TIMEOUT_DCMI_STOP) + { + /* Process Unlocked */ + __HAL_UNLOCK(hdcmi); + + /* Update error code */ + hdcmi->ErrorCode |= HAL_DCMI_ERROR_TIMEOUT; + + /* Change DCMI state */ + hdcmi->State = HAL_DCMI_STATE_TIMEOUT; + + return HAL_TIMEOUT; + } + } + + /* Disable the DMA */ + HAL_DMA_Abort(hdcmi->DMA_Handle); + + /* Update error code */ + hdcmi->ErrorCode |= HAL_DCMI_ERROR_NONE; + + /* Change DCMI state */ + hdcmi->State = HAL_DCMI_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hdcmi); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Handles DCMI interrupt request. + * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains + * the configuration information for the DCMI. + * @retval None + */ +void HAL_DCMI_IRQHandler(DCMI_HandleTypeDef *hdcmi) +{ + /* Synchronization error interrupt management *******************************/ + if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_ERRRI) != RESET) + { + if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_ERR) != RESET) + { + /* Disable the Synchronization error interrupt */ + __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_ERR); + + /* Clear the Synchronization error flag */ + __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_ERRRI); + + /* Update error code */ + hdcmi->ErrorCode |= HAL_DCMI_ERROR_SYNC; + + /* Change DCMI state */ + hdcmi->State = HAL_DCMI_STATE_ERROR; + + /* Process Unlocked */ + __HAL_UNLOCK(hdcmi); + + /* Abort the DMA Transfer */ + HAL_DMA_Abort(hdcmi->DMA_Handle); + + /* Synchronization error Callback */ + HAL_DCMI_ErrorCallback(hdcmi); + } + } + /* Overflow interrupt management ********************************************/ + if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_OVFRI) != RESET) + { + if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_OVF) != RESET) + { + /* Disable the Overflow interrupt */ + __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_OVF); + + /* Clear the Overflow flag */ + __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_OVFRI); + + /* Update error code */ + hdcmi->ErrorCode |= HAL_DCMI_ERROR_OVF; + + /* Change DCMI state */ + hdcmi->State = HAL_DCMI_STATE_ERROR; + + /* Process Unlocked */ + __HAL_UNLOCK(hdcmi); + + /* Abort the DMA Transfer */ + HAL_DMA_Abort(hdcmi->DMA_Handle); + + /* Overflow Callback */ + HAL_DCMI_ErrorCallback(hdcmi); + } + } + /* Line Interrupt management ************************************************/ + if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_LINERI) != RESET) + { + if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_LINE) != RESET) + { + /* Clear the Line interrupt flag */ + __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_LINERI); + + /* Process Unlocked */ + __HAL_UNLOCK(hdcmi); + + /* Line interrupt Callback */ + HAL_DCMI_LineEventCallback(hdcmi); + } + } + /* VSYNC interrupt management ***********************************************/ + if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_VSYNCRI) != RESET) + { + if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_VSYNC) != RESET) + { + /* Disable the VSYNC interrupt */ + __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_VSYNC); + + /* Clear the VSYNC flag */ + __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_VSYNCRI); + + /* Process Unlocked */ + __HAL_UNLOCK(hdcmi); + + /* VSYNC Callback */ + HAL_DCMI_VsyncEventCallback(hdcmi); + } + } + /* End of Frame interrupt management ****************************************/ + if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_FRAMERI) != RESET) + { + if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_FRAME) != RESET) + { + /* Disable the End of Frame interrupt */ + __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_FRAME); + + /* Clear the End of Frame flag */ + __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_FRAMERI); + + /* Process Unlocked */ + __HAL_UNLOCK(hdcmi); + + /* End of Frame Callback */ + HAL_DCMI_FrameEventCallback(hdcmi); + } + } +} + +/** + * @brief Error DCMI callback. + * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains + * the configuration information for DCMI. + * @retval None + */ +__weak void HAL_DCMI_ErrorCallback(DCMI_HandleTypeDef *hdcmi) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_DCMI_ErrorCallback could be implemented in the user file + */ +} + +/** + * @brief Line Event callback. + * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains + * the configuration information for DCMI. + * @retval None + */ +__weak void HAL_DCMI_LineEventCallback(DCMI_HandleTypeDef *hdcmi) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_DCMI_LineEventCallback could be implemented in the user file + */ +} + +/** + * @brief VSYNC Event callback. + * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains + * the configuration information for DCMI. + * @retval None + */ +__weak void HAL_DCMI_VsyncEventCallback(DCMI_HandleTypeDef *hdcmi) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_DCMI_VsyncEventCallback could be implemented in the user file + */ +} + +/** + * @brief Frame Event callback. + * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains + * the configuration information for DCMI. + * @retval None + */ +__weak void HAL_DCMI_FrameEventCallback(DCMI_HandleTypeDef *hdcmi) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_DCMI_FrameEventCallback could be implemented in the user file + */ +} + +/** + * @} + */ + +/** @defgroup DCMI_Exported_Functions_Group3 Peripheral Control functions + * @brief Peripheral Control functions + * +@verbatim + =============================================================================== + ##### Peripheral Control functions ##### + =============================================================================== +[..] This section provides functions allowing to: + (+) Configure the CROP feature. + (+) Enable/Disable the CROP feature. + +@endverbatim + * @{ + */ + +/** + * @brief Configure the DCMI CROP coordinate. + * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains + * the configuration information for DCMI. + * @param X0: DCMI window X offset + * @param Y0: DCMI window Y offset + * @param XSize: DCMI Pixel per line + * @param YSize: DCMI Line number + * @retval HAL status + */ +HAL_StatusTypeDef HAL_DCMI_ConfigCROP(DCMI_HandleTypeDef *hdcmi, uint32_t X0, uint32_t Y0, uint32_t XSize, uint32_t YSize) +{ + /* Process Locked */ + __HAL_LOCK(hdcmi); + + /* Lock the DCMI peripheral state */ + hdcmi->State = HAL_DCMI_STATE_BUSY; + + /* Check the parameters */ + assert_param(IS_DCMI_WINDOW_COORDINATE(X0)); + assert_param(IS_DCMI_WINDOW_COORDINATE(YSize)); + assert_param(IS_DCMI_WINDOW_COORDINATE(XSize)); + assert_param(IS_DCMI_WINDOW_HEIGHT(Y0)); + + /* Configure CROP */ + DCMI->CWSIZER = (XSize | (YSize << 16)); + DCMI->CWSTRTR = (X0 | (Y0 << 16)); + + /* Initialize the DCMI state*/ + hdcmi->State = HAL_DCMI_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hdcmi); + + return HAL_OK; +} + +/** + * @brief Disable the Crop feature. + * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains + * the configuration information for DCMI. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_DCMI_DisableCROP(DCMI_HandleTypeDef *hdcmi) +{ + /* Process Locked */ + __HAL_LOCK(hdcmi); + + /* Lock the DCMI peripheral state */ + hdcmi->State = HAL_DCMI_STATE_BUSY; + + /* Disable DCMI Crop feature */ + DCMI->CR &= ~(uint32_t)DCMI_CR_CROP; + + /* Change the DCMI state*/ + hdcmi->State = HAL_DCMI_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hdcmi); + + return HAL_OK; +} + +/** + * @brief Enable the Crop feature. + * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains + * the configuration information for DCMI. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_DCMI_EnableCROP(DCMI_HandleTypeDef *hdcmi) +{ + /* Process Locked */ + __HAL_LOCK(hdcmi); + + /* Lock the DCMI peripheral state */ + hdcmi->State = HAL_DCMI_STATE_BUSY; + + /* Enable DCMI Crop feature */ + DCMI->CR |= (uint32_t)DCMI_CR_CROP; + + /* Change the DCMI state*/ + hdcmi->State = HAL_DCMI_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hdcmi); + + return HAL_OK; +} + +/** + * @} + */ + +/** @defgroup DCMI_Exported_Functions_Group4 Peripheral State functions + * @brief Peripheral State functions + * +@verbatim + =============================================================================== + ##### Peripheral State and Errors functions ##### + =============================================================================== + [..] + This subsection provides functions allowing to + (+) Check the DCMI state. + (+) Get the specific DCMI error flag. + +@endverbatim + * @{ + */ + +/** + * @brief Return the DCMI state + * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains + * the configuration information for DCMI. + * @retval HAL state + */ +HAL_DCMI_StateTypeDef HAL_DCMI_GetState(DCMI_HandleTypeDef *hdcmi) +{ + return hdcmi->State; +} + +/** +* @brief Return the DCMI error code +* @param hdcmi : pointer to a DCMI_HandleTypeDef structure that contains + * the configuration information for DCMI. +* @retval DCMI Error Code +*/ +uint32_t HAL_DCMI_GetError(DCMI_HandleTypeDef *hdcmi) +{ + return hdcmi->ErrorCode; +} + +/** + * @} + */ +/* Private functions ---------------------------------------------------------*/ +/** @defgroup DCMI_Private_Functions DCMI Private Functions + * @{ + */ + + /** + * @brief DMA conversion complete callback. + * @param hdma: pointer to a DMA_HandleTypeDef structure that contains + * the configuration information for the specified DMA module. + * @retval None + */ +static void DCMI_DMAConvCplt(DMA_HandleTypeDef *hdma) +{ + uint32_t tmp = 0; + + DCMI_HandleTypeDef* hdcmi = ( DCMI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; + hdcmi->State= HAL_DCMI_STATE_READY; + + if(hdcmi->XferCount != 0) + { + /* Update memory 0 address location */ + tmp = ((hdcmi->DMA_Handle->Instance->CR) & DMA_SxCR_CT); + if(((hdcmi->XferCount % 2) == 0) && (tmp != 0)) + { + tmp = hdcmi->DMA_Handle->Instance->M0AR; + HAL_DMAEx_ChangeMemory(hdcmi->DMA_Handle, (tmp + (8*hdcmi->XferSize)), MEMORY0); + hdcmi->XferCount--; + } + /* Update memory 1 address location */ + else if((hdcmi->DMA_Handle->Instance->CR & DMA_SxCR_CT) == 0) + { + tmp = hdcmi->DMA_Handle->Instance->M1AR; + HAL_DMAEx_ChangeMemory(hdcmi->DMA_Handle, (tmp + (8*hdcmi->XferSize)), MEMORY1); + hdcmi->XferCount--; + } + } + /* Update memory 0 address location */ + else if((hdcmi->DMA_Handle->Instance->CR & DMA_SxCR_CT) != 0) + { + hdcmi->DMA_Handle->Instance->M0AR = hdcmi->pBuffPtr; + } + /* Update memory 1 address location */ + else if((hdcmi->DMA_Handle->Instance->CR & DMA_SxCR_CT) == 0) + { + tmp = hdcmi->pBuffPtr; + hdcmi->DMA_Handle->Instance->M1AR = (tmp + (4*hdcmi->XferSize)); + hdcmi->XferCount = hdcmi->XferTransferNumber; + } + + if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_FRAMERI) != RESET) + { + /* Process Unlocked */ + __HAL_UNLOCK(hdcmi); + + /* FRAME Callback */ + HAL_DCMI_FrameEventCallback(hdcmi); + } +} + +/** + * @brief DMA error callback + * @param hdma: pointer to a DMA_HandleTypeDef structure that contains + * the configuration information for the specified DMA module. + * @retval None + */ +static void DCMI_DMAError(DMA_HandleTypeDef *hdma) +{ + DCMI_HandleTypeDef* hdcmi = ( DCMI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; + hdcmi->State= HAL_DCMI_STATE_READY; + HAL_DCMI_ErrorCallback(hdcmi); +} + +/** + * @} + */ + +/** + * @} + */ +#endif /* STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx ||\ + STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx ||\ + STM32F479xx */ +#endif /* HAL_DCMI_MODULE_ENABLED */ +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |