David Fletcher / Mbed 2 deprecated cc3100_Test_websock_Camera_CM4F

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Camera_app
Functions

Camera_app

Functions

uint32_t StartCamera (char **WriteBuffer)
 Start Camera 1.
void InitCameraComponents (int width, int height)
 InitCameraComponents PinMux, Camera Initialization and Configuration.
int SetCameraResolution (int width, int height)
 Set resolution of camera.
uint32_t CaptureImage (char **WriteBuffer)
 CaptureImage Configures DMA and starts the Capture.
void DMAConfig ()
 DMA Config Initialize the DMA and Setup the DMA transfer.
void DCMI_MspInit (DCMI_HandleTypeDef *hdcmi)
void HAL_DCMI_MspDeInit (DCMI_HandleTypeDef *hdcmi)
static int JfifApp0Marker (char *pbuf)
 JfifApp0Marker.
static int FrameHeaderMarker (char *pbuf, int width, int height, int format)
 FrameHeaderMarker.
static int ScanHeaderMarker (char *pbuf, int format)
 ScanHeaderMarker.
static int DefineQuantizationTableMarker (unsigned char *pbuf, int qscale, int format)
 DefineQuantizationTableMarker Calculate and write the quantisation tables qscale is the customised scaling factor - see MT9D131 developer guide page 78.
static int DefineHuffmanTableMarkerDC (char *pbuf, unsigned int *htable, int class_id)
 DefineHuffmanTableMarkerDC.
static int DefineHuffmanTableMarkerAC (char *pbuf, unsigned int *htable, int class_id)
 DefineHuffmanTableMarkerAC 1.
static int DefineRestartIntervalMarker (char *pbuf, int ri)
 DefineRestartIntervalMarker.
static int CreateJpegHeader (char *header, int width, int height, int format, int restart_int, int qscale)
 CreateJpegHeader Create JPEG Header in JFIF format.

Function Documentation

uint32_t CaptureImage ( char **  WriteBuffer )

CaptureImage Configures DMA and starts the Capture.

Post Capture writes to SFLASH

Parameters:
None
Returns:
None

Definition at line 345 of file camera_app.cpp.

static int CreateJpegHeader ( char *  header,
int  width,
int  height,
int  format,
int  restart_int,
int  qscale 
) [static]

CreateJpegHeader Create JPEG Header in JFIF format.

header - pointer to JPEG header buffer width - image width height - image height format - color format (0 = YCbCr422, 1 = YCbCr420, 2 = monochrome) restart_int - restart marker interval qscale - quantization table scaling factor

Returns:
length of JPEG header (bytes)

Definition at line 1066 of file camera_app.cpp.

void DCMI_MspInit ( DCMI_HandleTypeDef *  hdcmi )

MCO1 GPIO Configuration PA8 ------> RCC_MCO_1

DCMI GPIO Configuration PA9 ------> DCMI_D0 PA10 ------> DCMI_D1 PC8 ------> DCMI_D2 PC9 ------> DCMI_D3 PE4 ------> DCMI_D4 PB6 ------> DCMI_D5 PE5 ------> DCMI_D6 PE6 ------> DCMI_D7 PA6 ------> DCMI_PIXCK PA4 ------> DCMI_HSYNC PB7 ------> DCMI_VSYNC

Definition at line 471 of file camera_app.cpp.

static int DefineHuffmanTableMarkerAC ( char *  pbuf,
unsigned int *  htable,
int  class_id 
) [static]

DefineHuffmanTableMarkerAC 1.

Establishes connection w/ AP// 2. Initializes the camera sub-components//! GPIO Enable & Configuration 3. Listens and processes the image capture requests from user-applications

pointer to Marker buffer Huffman table Class Identifier

Returns:
Length of the Marker

Definition at line 964 of file camera_app.cpp.

static int DefineHuffmanTableMarkerDC ( char *  pbuf,
unsigned int *  htable,
int  class_id 
) [static]

DefineHuffmanTableMarkerDC.

pointer to Marker buffer Huffman table Class Identifier

Returns:
Length of the marker

Definition at line 909 of file camera_app.cpp.

static int DefineQuantizationTableMarker ( unsigned char *  pbuf,
int  qscale,
int  format 
) [static]

DefineQuantizationTableMarker Calculate and write the quantisation tables qscale is the customised scaling factor - see MT9D131 developer guide page 78.

pointer to the output buffer Quantization Scale Format

Returns:
Length of the Marker

Definition at line 841 of file camera_app.cpp.

static int DefineRestartIntervalMarker ( char *  pbuf,
int  ri 
) [static]

DefineRestartIntervalMarker.

pointer to Marker buffer return interval

Returns:
Length

Definition at line 1039 of file camera_app.cpp.

void DMAConfig ( void   )

DMA Config Initialize the DMA and Setup the DMA transfer.

Parameters:
None
Returns:
None

Definition at line 438 of file camera_app.cpp.

static int FrameHeaderMarker ( char *  pbuf,
int  width,
int  height,
int  format 
) [static]

FrameHeaderMarker.

pointer to the output buffer width height format

Returns:
Length of the header marker

Definition at line 732 of file camera_app.cpp.

void HAL_DCMI_MspDeInit ( DCMI_HandleTypeDef *  hdcmi )

DCMI GPIO Configuration PE4 ------> DCMI_D4 PE5 ------> DCMI_D6 PE6 ------> DCMI_D7 PA4 ------> DCMI_HSYNC PA6 ------> DCMI_PIXCK PC8 ------> DCMI_D2 PC9 ------> DCMI_D3 PA9 ------> DCMI_D0 PA10 ------> DCMI_D1 PB6 ------> DCMI_D5 PB7 ------> DCMI_VSYNC

PA8 ------> MCO1

Definition at line 641 of file camera_app.cpp.

void InitCameraComponents ( int  width,
int  height 
)

InitCameraComponents PinMux, Camera Initialization and Configuration.

Parameters:
[in]width- X-Axis
[in]width- Y-Axis
Returns:
None

Definition at line 271 of file camera_app.cpp.

static int JfifApp0Marker ( char *  pbuf ) [static]

JfifApp0Marker.

Parameters:
Pointerto the output buffer
Returns:
Length of the Marker

Definition at line 695 of file camera_app.cpp.

static int ScanHeaderMarker ( char *  pbuf,
int  format 
) [static]

ScanHeaderMarker.

pointer to output buffer Format

Returns:
Length

Definition at line 794 of file camera_app.cpp.

int SetCameraResolution ( int  width,
int  height 
)

Set resolution of camera.

Parameters:
[in]width- X Axis
[in]height- Y Axis
Returns:
0 on success else -ve

Definition at line 323 of file camera_app.cpp.

uint32_t StartCamera ( char **  WriteBuffer )

Start Camera 1.

Establishes connection w/ AP// 2. Initializes the camera sub-components//! GPIO Enable & Configuration 3. Listens and processes the image capture requests from user-applications

Parameters:
[out]WriteBuffer- Pointer to the Frame Buffer
Returns:
None

Definition at line 249 of file camera_app.cpp.

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