STM32L4R9I-Discovery BSP User Manual: stm32l4r9i_discovery_camera.c File Reference

STM32L4R9I-Discovery BSP

stm32l4r9i_discovery_camera.c File Reference

This file includes the driver for Camera modules mounted on STM32L4R9I_DISCOVERY board. More...

Go to the source code of this file.

Defines

#define CAMERA_VGA_RES_X   640
#define CAMERA_VGA_RES_Y   480
#define CAMERA_480x272_RES_X   480
#define CAMERA_480x272_RES_Y   272
#define CAMERA_QVGA_RES_X   320
#define CAMERA_QVGA_RES_Y   240
#define CAMERA_QQVGA_RES_X   160
#define CAMERA_QQVGA_RES_Y   120

Functions

static uint32_t GetSize (uint32_t resolution)
 Get the capture size in pixels unit.
uint8_t BSP_CAMERA_Init (uint32_t Resolution)
 Initializes the camera.
uint8_t BSP_CAMERA_DeInit (void)
 DeInitializes the camera.
void BSP_CAMERA_ContinuousStart (uint8_t *buff)
 Starts the camera capture in continuous mode.
void BSP_CAMERA_SnapshotStart (uint8_t *buff)
 Starts the camera capture in snapshot mode.
void BSP_CAMERA_Suspend (void)
 Suspend the CAMERA capture.
void BSP_CAMERA_Resume (void)
 Resume the CAMERA capture.
uint8_t BSP_CAMERA_Stop (void)
 Stop the CAMERA capture.
void BSP_CAMERA_PwrUp (void)
 CANERA power up.
void BSP_CAMERA_PwrDown (void)
 CAMERA power down.
void BSP_CAMERA_ContrastBrightnessConfig (uint32_t contrast_level, uint32_t brightness_level)
 Configures the camera contrast and brightness.
void BSP_CAMERA_BlackWhiteConfig (uint32_t Mode)
 Configures the camera white balance.
void BSP_CAMERA_ColorEffectConfig (uint32_t Effect)
 Configures the camera color effect.
__weak void BSP_CAMERA_MspInit (DCMI_HandleTypeDef *hdcmi, void *Params)
 Initializes the DCMI MSP.
__weak void BSP_CAMERA_MspDeInit (DCMI_HandleTypeDef *hdcmi, void *Params)
 DeInitializes the DCMI MSP.
void HAL_DCMI_LineEventCallback (DCMI_HandleTypeDef *hdcmi)
 Line event callback.
__weak void BSP_CAMERA_LineEventCallback (void)
 Line Event callback.
void HAL_DCMI_VsyncEventCallback (DCMI_HandleTypeDef *hdcmi)
 VSYNC event callback.
__weak void BSP_CAMERA_VsyncEventCallback (void)
 VSYNC Event callback.
void HAL_DCMI_FrameEventCallback (DCMI_HandleTypeDef *hdcmi)
 Frame event callback.
__weak void BSP_CAMERA_FrameEventCallback (void)
 Frame Event callback.
void HAL_DCMI_ErrorCallback (DCMI_HandleTypeDef *hdcmi)
 Error callback.
__weak void BSP_CAMERA_ErrorCallback (void)
 Error callback.

Variables

DCMI_HandleTypeDef hDcmiHandler
CAMERA_DrvTypeDef * camera_drv
static uint32_t CameraCurrentResolution
static uint32_t CameraHwAddress

Detailed Description

This file includes the driver for Camera modules mounted on STM32L4R9I_DISCOVERY board.

Author:
MCD Application Team
    How to use this driver:
    ------------------------
     - This driver is used to drive the camera.
     - The OV9655 component driver MUST be included with this driver.

    Driver description:
    -------------------
    + Initialization steps:
       o Initialize the camera using the BSP_CAMERA_Init() function.
       o Start the camera capture/snapshot using the CAMERA_Start() function.
       o Suspend, resume or stop the camera capture using the following functions:
        - BSP_CAMERA_Suspend()
        - BSP_CAMERA_Resume()
        - BSP_CAMERA_Stop()

    + Options
       o Increase or decrease on the fly the brightness and/or contrast
         using the following function:
         - BSP_CAMERA_ContrastBrightnessConfig
       o Add a special effect on the fly using the following functions:
         - BSP_CAMERA_BlackWhiteConfig()
         - BSP_CAMERA_ColorEffectConfig()
  
Attention:

© COPYRIGHT(c) 2017 STMicroelectronics

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.

Definition in file stm32l4r9i_discovery_camera.c.

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