/**
* @brief Initializes the camera.
* @param uint32_t Resolution : camera sensor requested resolution (x, y) : standard resolution
* naming QQVGA, QVGA, VGA ...
*
* @retval Camera status
*/
uint8_t BSP_CAMERA_Init(uint32_t Resolution)
{
DCMI_HandleTypeDef *phdcmi;
uint8_t status = CAMERA_ERROR;
/* Get the DCMI handle structure */
phdcmi = &hDcmiEval;
/*** Configures the DCMI to interface with the camera module ***/
/* DCMI configuration */
phdcmi->Init.CaptureRate = DCMI_CR_ALL_FRAME;
phdcmi->Init.HSPolarity = DCMI_HSPOLARITY_HIGH;
phdcmi->Init.SynchroMode = DCMI_SYNCHRO_HARDWARE;
phdcmi->Init.VSPolarity = DCMI_VSPOLARITY_HIGH;
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();
/* Apply Camera Module hardware reset */
BSP_CAMERA_HwReset();
/* Check if the CAMERA Module is plugged on board */
if(BSP_IO_ReadPin(CAM_PLUG_PIN) == BSP_IO_PIN_SET)
{
status = CAMERA_NOT_DETECTED;
return status; /* Exit with error */
}
/* Read ID of Camera module via I2C */
if (s5k5cag_ReadID(CAMERA_I2C_ADDRESS) == S5K5CAG_ID)
{
/* Initialize the camera driver structure */
camera_drv = &s5k5cag_drv;
CameraHwAddress = CAMERA_I2C_ADDRESS;
/* DCMI Initialization */
BSP_CAMERA_MspInit(&hDcmiEval, NULL);
HAL_DCMI_Init(phdcmi);
/* Camera Module Initialization via I2C to the wanted 'Resolution' */
camera_drv->Init(CameraHwAddress, Resolution);
CameraCurrentResolution = Resolution;
/* Return CAMERA_OK status */
status = CAMERA_OK;
}
else
{
/* Return CAMERA_NOT_SUPPORTED status */
status = CAMERA_NOT_SUPPORTED;
}
return status;
}
/**
* @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 = &hDcmiEval;
/*** Configures the DCMI to interface with the camera module ***/
/* DCMI configuration */
phdcmi->Init.CaptureRate = DCMI_CR_ALL_FRAME;
phdcmi->Init.HSPolarity = DCMI_HSPOLARITY_HIGH;
phdcmi->Init.SynchroMode = DCMI_SYNCHRO_HARDWARE;
phdcmi->Init.VSPolarity = DCMI_VSPOLARITY_HIGH;
phdcmi->Init.ExtendedDataMode = DCMI_EXTEND_DATA_8B;
phdcmi->Init.PCKPolarity = DCMI_PCKPOLARITY_RISING;
phdcmi->Init.ByteSelectMode = DCMI_BSM_ALL;
phdcmi->Init.ByteSelectStart = DCMI_OEBS_ODD;
phdcmi->Init.LineSelectMode = DCMI_LSM_ALL;
phdcmi->Init.LineSelectStart = DCMI_OELS_ODD;
phdcmi->Instance = DCMI;
/* Configure IO functionalities for CAMERA detect pin */
BSP_IO_Init();
/* Apply Camera hardware reset */
BSP_CAMERA_HwReset();
/* Check if the CAMERA is plugged */
if(BSP_IO_ReadPin(CAM_PLUG_PIN))
{
return CAMERA_ERROR;
}
if (s5k5cag_ReadID(CAMERA_I2C_ADDRESS) == S5K5CAG_ID)
{
/* Initialize the camera driver structure */
camera_drv = &s5k5cag_drv;
cameraHwAddress = CAMERA_I2C_ADDRESS;
/* DCMI Initialization */
BSP_CAMERA_MspInit(&hDcmiEval, NULL);
HAL_DCMI_Init(phdcmi);
/* Camera Init */
camera_drv->Init(cameraHwAddress, Resolution);
currentResolution = Resolution;
/* Return CAMERA_OK status */
ret = CAMERA_OK;
}
else
{
/* No supported camera sensor found */
ret = CAMERA_ERROR;
}
return ret;
}