/** * @brief Initializes the camera. * @param Camera: Pointer to the camera configuration structure * @retval Camera status */ uint8_t BSP_CAMERA_Init(uint32_t Resolution) { DCMI_HandleTypeDef *phdcmi; uint8_t ret = CAMERA_ERROR; /* Get the DCMI handle structure */ phdcmi = &hdcmi_eval; /*** Configures the DCMI to interface with the camera module ***/ /* DCMI configuration */ phdcmi->Init.CaptureRate = DCMI_CR_ALL_FRAME; phdcmi->Init.HSPolarity = DCMI_HSPOLARITY_LOW; phdcmi->Init.SynchroMode = DCMI_SYNCHRO_HARDWARE; phdcmi->Init.VSPolarity = DCMI_VSPOLARITY_LOW; phdcmi->Init.ExtendedDataMode = DCMI_EXTEND_DATA_8B; phdcmi->Init.PCKPolarity = DCMI_PCKPOLARITY_RISING; phdcmi->Instance = DCMI; /* Configure IO functionalities for camera detect pin */ BSP_IO_Init(); /* Set the camera STANDBY pin */ BSP_IO_ConfigPin(XSDN_PIN, IO_MODE_OUTPUT); BSP_IO_WritePin(XSDN_PIN, SET); /* Check if the camera is plugged */ if(BSP_IO_ReadPin(CAM_PLUG_PIN)) { return CAMERA_ERROR; } /* DCMI Initialization */ DCMI_MspInit(); HAL_DCMI_Init(phdcmi); if(ov2640_ReadID(CAMERA_I2C_ADDRESS) == OV2640_ID) { /* Initialize the camera driver structure */ camera_drv = &ov2640_drv; /* Camera Init */ camera_drv->Init(CAMERA_I2C_ADDRESS, Resolution); /* Return CAMERA_OK status */ ret = CAMERA_OK; } current_resolution = Resolution; return ret; }
/** * @brief Initializes the Camera. * @param Camera: Pointer to the Camera configuration structure * @retval Camera status */ uint8_t BSP_CAMERA_Init(uint32_t Resolution) { DCMI_HandleTypeDef *phdcmi; uint8_t ret = CAMERA_ERROR; /* Get the DCMI handle structure */ phdcmi = &hdcmi_eval; /*** Configures the DCMI to interface with the Camera module ***/ /* DCMI configuration */ phdcmi->Init.CaptureRate = DCMI_CR_ALL_FRAME; phdcmi->Init.HSPolarity = DCMI_HSPOLARITY_LOW; phdcmi->Init.SynchroMode = DCMI_SYNCHRO_HARDWARE; phdcmi->Init.VSPolarity = DCMI_VSPOLARITY_LOW; phdcmi->Init.ExtendedDataMode = DCMI_EXTEND_DATA_8B; phdcmi->Init.PCKPolarity = DCMI_PCKPOLARITY_RISING; phdcmi->Instance = DCMI; /* DCMI Initialization */ DCMI_MspInit(); HAL_DCMI_Init(phdcmi); if(ov2640_drv.ReadID(CAMERA_I2C_ADDRESS) == OV2640_ID) { /* Initialize the Camera driver structure */ camera_drv = &ov2640_drv; /* Camera Init */ camera_drv->Init(CAMERA_I2C_ADDRESS, Resolution); /* Return CAMERA_OK status */ ret = CAMERA_OK; } current_resolution = Resolution; return ret; }