/** * @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 */ 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)); assert_param(IS_DCMI_BYTE_SELECT_MODE(hdcmi->Init.ByteSelectMode)); assert_param(IS_DCMI_BYTE_SELECT_START(hdcmi->Init.ByteSelectStart)); assert_param(IS_DCMI_LINE_SELECT_MODE(hdcmi->Init.LineSelectMode)); assert_param(IS_DCMI_LINE_SELECT_START(hdcmi->Init.LineSelectStart)); if(hdcmi->State == HAL_DCMI_STATE_RESET) { /* 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 | DCMI_CR_BSM_0 | DCMI_CR_BSM_1 | DCMI_CR_OEBS |\ DCMI_CR_LSM | DCMI_CR_OELS); 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 | hdcmi->Init.ByteSelectMode |\ hdcmi->Init.ByteSelectStart | hdcmi->Init.LineSelectMode |\ hdcmi->Init.LineSelectStart); 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 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 */ 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 defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) assert_param(IS_DCMI_BYTE_SELECT_MODE(hdcmi->Init.ByteSelectMode)); assert_param(IS_DCMI_BYTE_SELECT_START(hdcmi->Init.ByteSelectStart)); assert_param(IS_DCMI_LINE_SELECT_MODE(hdcmi->Init.LineSelectMode)); assert_param(IS_DCMI_LINE_SELECT_START(hdcmi->Init.LineSelectStart)); #endif /* STM32F446xx || STM32F469xx || STM32F479xx */ if(hdcmi->State == HAL_DCMI_STATE_RESET) { /* 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 #if defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) | DCMI_CR_BSM_0 | DCMI_CR_BSM_1 | DCMI_CR_OEBS |\ DCMI_CR_LSM | DCMI_CR_OELS #endif /* STM32F446xx || STM32F469xx || STM32F479xx */ ); 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 defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) | hdcmi->Init.ByteSelectMode |\ hdcmi->Init.ByteSelectStart | hdcmi->Init.LineSelectMode |\ hdcmi->Init.LineSelectStart #endif /* STM32F446xx || STM32F469xx || STM32F479xx */ ); if(hdcmi->Init.SynchroMode == DCMI_SYNCHRO_EMBEDDED) { hdcmi->Instance->ESCR = (((uint32_t)hdcmi->Init.SyncroCode.FrameStartCode) | ((uint32_t)hdcmi->Init.SyncroCode.LineStartCode << DCMI_POSITION_ESCR_LSC)| ((uint32_t)hdcmi->Init.SyncroCode.LineEndCode << DCMI_POSITION_ESCR_LEC) | ((uint32_t)hdcmi->Init.SyncroCode.FrameEndCode << DCMI_POSITION_ESCR_FEC)); } /* Enable the Line, Vsync, Error and Overrun interrupts */ __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_LINE | DCMI_IT_VSYNC | DCMI_IT_ERR | DCMI_IT_OVR); /* Update error code */ hdcmi->ErrorCode = HAL_DCMI_ERROR_NONE; /* Initialize the DCMI state*/ hdcmi->State = HAL_DCMI_STATE_READY; return HAL_OK; }
/** * @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 */ 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)); assert_param(IS_DCMI_BYTE_SELECT_MODE(hdcmi->Init.ByteSelectMode)); assert_param(IS_DCMI_BYTE_SELECT_START(hdcmi->Init.ByteSelectStart)); assert_param(IS_DCMI_LINE_SELECT_MODE(hdcmi->Init.LineSelectMode)); assert_param(IS_DCMI_LINE_SELECT_START(hdcmi->Init.LineSelectStart)); if(hdcmi->State == HAL_DCMI_STATE_RESET) { /* Init the DCMI Callback settings */ #if (USE_HAL_DCMI_REGISTER_CALLBACKS == 1) hdcmi->FrameEventCallback = HAL_DCMI_FrameEventCallback; /* Legacy weak FrameEventCallback */ hdcmi->VsyncEventCallback = HAL_DCMI_VsyncEventCallback; /* Legacy weak VsyncEventCallback */ hdcmi->LineEventCallback = HAL_DCMI_LineEventCallback; /* Legacy weak LineEventCallback */ hdcmi->ErrorCallback = HAL_DCMI_ErrorCallback; /* Legacy weak ErrorCallback */ if(hdcmi->MspInitCallback == NULL) { /* Legacy weak MspInit Callback */ hdcmi->MspInitCallback = HAL_DCMI_MspInit; } /* Initialize the low level hardware (MSP) */ hdcmi->MspInitCallback(hdcmi); #else /* Init the low level hardware : GPIO, CLOCK, NVIC and DMA */ HAL_DCMI_MspInit(hdcmi); #endif /* (USE_HAL_DCMI_REGISTER_CALLBACKS) */ } /* 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 | DCMI_CR_BSM_0 | DCMI_CR_BSM_1 | DCMI_CR_OEBS |\ DCMI_CR_LSM | DCMI_CR_OELS); 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 | hdcmi->Init.ByteSelectMode |\ hdcmi->Init.ByteSelectStart | hdcmi->Init.LineSelectMode |\ hdcmi->Init.LineSelectStart); if(hdcmi->Init.SynchroMode == DCMI_SYNCHRO_EMBEDDED) { hdcmi->Instance->ESCR = (((uint32_t)hdcmi->Init.SyncroCode.FrameStartCode) |\ ((uint32_t)hdcmi->Init.SyncroCode.LineStartCode << DCMI_ESCR_LSC_Pos)|\ ((uint32_t)hdcmi->Init.SyncroCode.LineEndCode << DCMI_ESCR_LEC_Pos) |\ ((uint32_t)hdcmi->Init.SyncroCode.FrameEndCode << DCMI_ESCR_FEC_Pos)); } /* Enable the Line, Vsync, Error and Overrun interrupts */ __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_LINE | DCMI_IT_VSYNC | DCMI_IT_ERR | DCMI_IT_OVR); /* Update error code */ hdcmi->ErrorCode = HAL_DCMI_ERROR_NONE; /* Initialize the DCMI state*/ hdcmi->State = HAL_DCMI_STATE_READY; return HAL_OK; }