David Fletcher / Mbed 2 deprecated cc3100_Test_websock_Camera_CM4F

Port of TI's CC3100 Websock camera demo. Using FreeRTOS, mbedTLS, also parts of Arducam for cams ov5642 and 0v2640. Can also use MT9D111. Work in progress. Be warned some parts maybe a bit flacky. This is for Seeed Arch max only, for an M3, see the demo for CM3 using the 0v5642 aducam mini.

Dependencies:   mbed

camera_app/camera_app.cpp@12:7d75ba5deed1, 2015-07-12 (annotated)

Committer:
dflet
Date:
Sun Jul 12 09:13:56 2015 +0000
Revision:
12:7d75ba5deed1
Parent:
11:404bd8bb7fa6
Child:
13:bf45f592c2b6
WIP commit 13 reworked 12c

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dflet 0:50cedd586816 1 //*****************************************************************************
dflet 0:50cedd586816 2 // camera_app.c
dflet 0:50cedd586816 3 //
dflet 0:50cedd586816 4 // camera application macro & APIs
dflet 0:50cedd586816 5 //
dflet 0:50cedd586816 6 // Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
dflet 0:50cedd586816 7 //
dflet 0:50cedd586816 8 //
dflet 0:50cedd586816 9 // Redistribution and use in source and binary forms, with or without
dflet 0:50cedd586816 10 // modification, are permitted provided that the following conditions
dflet 0:50cedd586816 11 // are met:
dflet 0:50cedd586816 12 //
dflet 0:50cedd586816 13 // Redistributions of source code must retain the above copyright
dflet 0:50cedd586816 14 // notice, this list of conditions and the following disclaimer.
dflet 0:50cedd586816 15 //
dflet 0:50cedd586816 16 // Redistributions in binary form must reproduce the above copyright
dflet 0:50cedd586816 17 // notice, this list of conditions and the following disclaimer in the
dflet 0:50cedd586816 18 // documentation and/or other materials provided with the
dflet 0:50cedd586816 19 // distribution.
dflet 0:50cedd586816 20 //
dflet 0:50cedd586816 21 // Neither the name of Texas Instruments Incorporated nor the names of
dflet 0:50cedd586816 22 // its contributors may be used to endorse or promote products derived
dflet 0:50cedd586816 23 // from this software without specific prior written permission.
dflet 0:50cedd586816 24 //
dflet 0:50cedd586816 25 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
dflet 0:50cedd586816 26 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
dflet 0:50cedd586816 27 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
dflet 0:50cedd586816 28 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
dflet 0:50cedd586816 29 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
dflet 0:50cedd586816 30 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
dflet 0:50cedd586816 31 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
dflet 0:50cedd586816 32 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
dflet 0:50cedd586816 33 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
dflet 0:50cedd586816 34 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
dflet 0:50cedd586816 35 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
dflet 0:50cedd586816 36 //
dflet 0:50cedd586816 37 //*****************************************************************************
dflet 0:50cedd586816 38 //*****************************************************************************
dflet 0:50cedd586816 39 //
dflet 0:50cedd586816 40 //! \addtogroup camera_app
dflet 0:50cedd586816 41 //! @{
dflet 0:50cedd586816 42 //
dflet 0:50cedd586816 43 //*****************************************************************************
dflet 5:75fcfdb7cae7 44 #include "mbed.h"
dflet 0:50cedd586816 45 #include <stdio.h>
dflet 0:50cedd586816 46 #include <string.h>
dflet 0:50cedd586816 47 #include <stdlib.h>
dflet 0:50cedd586816 48
dflet 0:50cedd586816 49 // SimpleLink include
dflet 0:50cedd586816 50 #include "cc3100_simplelink.h"
dflet 0:50cedd586816 51
dflet 6:37fb696395d7 52 #include "oslib/osi.h"
dflet 0:50cedd586816 53 #include "camera_app.h"
dflet 0:50cedd586816 54 #include "mt9d111.h"
dflet 0:50cedd586816 55 #include "i2cconfig.h"
dflet 4:c27adffcfec2 56
dflet 0:50cedd586816 57 #include "cli_uart.h"
dflet 3:7643714ec664 58 #include "Led_config.h"
dflet 6:37fb696395d7 59 #include "HttpDebug.h"
dflet 0:50cedd586816 60
dflet 0:50cedd586816 61 using namespace mbed_cc3100;
dflet 0:50cedd586816 62
dflet 7:a069c1750fbc 63 #define ENABLE_JPEG
dflet 0:50cedd586816 64
dflet 0:50cedd586816 65 //*****************************************************************************
dflet 0:50cedd586816 66 // Macros
dflet 0:50cedd586816 67 //*****************************************************************************
dflet 0:50cedd586816 68 #define USER_FILE_NAME "www/images/cc3200_camera_capture.jpg"
dflet 0:50cedd586816 69 #define TOTAL_DMA_ELEMENTS 64
dflet 0:50cedd586816 70 #define AP_SSID_LEN_MAX (33)
dflet 0:50cedd586816 71 #define ROLE_INVALID (-5)
dflet 0:50cedd586816 72 //*****************************************************************************
dflet 0:50cedd586816 73 // GLOBAL VARIABLES
dflet 0:50cedd586816 74 //*****************************************************************************
dflet 5:75fcfdb7cae7 75
dflet 0:50cedd586816 76 unsigned int g_frame_size_in_bytes;
dflet 0:50cedd586816 77 unsigned int g_uiDeviceModeConfig = ROLE_AP; //default is AP mode
dflet 0:50cedd586816 78 extern volatile unsigned char g_CaptureImage;
dflet 0:50cedd586816 79 extern int g_uiIpObtained = 0;
dflet 0:50cedd586816 80 extern int g_uiSimplelinkRole = ROLE_INVALID;
dflet 0:50cedd586816 81 unsigned int g_uiIpAddress = 0;
dflet 0:50cedd586816 82 static unsigned char g_dma_txn_done;
dflet 0:50cedd586816 83 volatile static unsigned char g_frame_end;
dflet 0:50cedd586816 84 static unsigned int g_total_dma_intrpts;
dflet 0:50cedd586816 85
dflet 0:50cedd586816 86 #ifdef ENABLE_JPEG
dflet 0:50cedd586816 87 int PIXELS_IN_X_AXIS = 640;
dflet 0:50cedd586816 88 int PIXELS_IN_Y_AXIS = 480;
dflet 0:50cedd586816 89 int FRAME_SIZE_IN_BYTES = (640 * 480 * 2);
dflet 0:50cedd586816 90 #else
dflet 0:50cedd586816 91 int PIXELS_IN_X_AXIS = 240;
dflet 0:50cedd586816 92 int PIXELS_IN_Y_AXIS = 256;
dflet 6:37fb696395d7 93 int FRAME_SIZE_IN_BYTES = (240 * 256 * 2);
dflet 0:50cedd586816 94 #endif
dflet 0:50cedd586816 95
dflet 0:50cedd586816 96 struct ImageBuffer
dflet 0:50cedd586816 97 {
dflet 12:7d75ba5deed1 98 #ifdef ENABLE_JPEG
dflet 0:50cedd586816 99 char g_header[SMTP_BUF_LEN] /*= {'\0'}*/;
dflet 12:7d75ba5deed1 100 #endif
dflet 12:7d75ba5deed1 101 // uint32_t g_image_buffer[NUM_OF_4B_CHUNKS];//60Kb 15360, 50Kb 12800
dflet 12:7d75ba5deed1 102 uint32_t g_image_buffer[((IMAGE_BUF_SIZE)/(sizeof(unsigned int)))];//51Kb
dflet 0:50cedd586816 103 };
dflet 0:50cedd586816 104
dflet 0:50cedd586816 105 ImageBuffer g_image;
dflet 0:50cedd586816 106
dflet 0:50cedd586816 107 typedef enum pictureRequest{
dflet 0:50cedd586816 108 NO_PICTURE = 0x00,
dflet 0:50cedd586816 109 SINGLE_HIGH_RESOLUTION = 0x01,
dflet 0:50cedd586816 110 STREAM_LOW_RESOLUTION = 0x02
dflet 0:50cedd586816 111
dflet 0:50cedd586816 112 }e_pictureRequest;
dflet 0:50cedd586816 113
dflet 0:50cedd586816 114 typedef enum pictureFormat{
dflet 0:50cedd586816 115 RAW_10BIT = 0,
dflet 0:50cedd586816 116 ITU_R_BT601,
dflet 0:50cedd586816 117 YCbCr_4_2_2,
dflet 0:50cedd586816 118 YCbCr_4_2_0,
dflet 0:50cedd586816 119 RGB_565,
dflet 0:50cedd586816 120 RGB_555,
dflet 0:50cedd586816 121 RGB_444
dflet 0:50cedd586816 122
dflet 0:50cedd586816 123 }e_pictureFormat;
dflet 0:50cedd586816 124
dflet 0:50cedd586816 125 typedef enum pictureResolution{
dflet 0:50cedd586816 126 QVGA = 0,
dflet 0:50cedd586816 127 VGA,
dflet 0:50cedd586816 128 SVGA,
dflet 0:50cedd586816 129 XGA,
dflet 0:50cedd586816 130 uXGA
dflet 0:50cedd586816 131
dflet 0:50cedd586816 132 }e_pictureResolution;
dflet 0:50cedd586816 133
dflet 0:50cedd586816 134
dflet 0:50cedd586816 135 #ifdef ENABLE_JPEG
dflet 0:50cedd586816 136 #define FORMAT_YCBCR422 0
dflet 0:50cedd586816 137 #define FORMAT_YCBCR420 1
dflet 0:50cedd586816 138 #define FORMAT_MONOCHROME 2
dflet 0:50cedd586816 139
dflet 0:50cedd586816 140 unsigned char JPEG_StdQuantTblY[64] =
dflet 0:50cedd586816 141 {
dflet 0:50cedd586816 142 16, 11, 10, 16, 24, 40, 51, 61,
dflet 0:50cedd586816 143 12, 12, 14, 19, 26, 58, 60, 55,
dflet 0:50cedd586816 144 14, 13, 16, 24, 40, 57, 69, 56,
dflet 0:50cedd586816 145 14, 17, 22, 29, 51, 87, 80, 62,
dflet 0:50cedd586816 146 18, 22, 37, 56, 68, 109, 103, 77,
dflet 0:50cedd586816 147 24, 35, 55, 64, 81, 104, 113, 92,
dflet 0:50cedd586816 148 49, 64, 78, 87, 103, 121, 120, 101,
dflet 0:50cedd586816 149 72, 92, 95, 98, 112, 100, 103, 99
dflet 0:50cedd586816 150 };
dflet 0:50cedd586816 151
dflet 0:50cedd586816 152 unsigned char JPEG_StdQuantTblC[64] =
dflet 0:50cedd586816 153 {
dflet 0:50cedd586816 154 17, 18, 24, 47, 99, 99, 99, 99,
dflet 0:50cedd586816 155 18, 21, 26, 66, 99, 99, 99, 99,
dflet 0:50cedd586816 156 24, 26, 56, 99, 99, 99, 99, 99,
dflet 0:50cedd586816 157 47, 66, 99, 99, 99, 99, 99, 99,
dflet 0:50cedd586816 158 99, 99, 99, 99, 99, 99, 99, 99,
dflet 0:50cedd586816 159 99, 99, 99, 99, 99, 99, 99, 99,
dflet 0:50cedd586816 160 99, 99, 99, 99, 99, 99, 99, 99,
dflet 0:50cedd586816 161 99, 99, 99, 99, 99, 99, 99, 99
dflet 0:50cedd586816 162 };
dflet 0:50cedd586816 163 //
dflet 0:50cedd586816 164 // This table is used for regular-position to zigzagged-position lookup
dflet 0:50cedd586816 165 // This is Figure A.6 from the ISO/IEC 10918-1 1993 specification
dflet 0:50cedd586816 166 //
dflet 0:50cedd586816 167 static unsigned char zigzag[64] =
dflet 0:50cedd586816 168 {
dflet 0:50cedd586816 169 0, 1, 5, 6,14,15,27,28,
dflet 0:50cedd586816 170 2, 4, 7,13,16,26,29,42,
dflet 0:50cedd586816 171 3, 8,12,17,25,30,41,43,
dflet 0:50cedd586816 172 9,11,18,24,31,40,44,53,
dflet 0:50cedd586816 173 10,19,23,32,39,45,52,54,
dflet 0:50cedd586816 174 20,22,33,38,46,51,55,60,
dflet 0:50cedd586816 175 21,34,37,47,50,56,59,61,
dflet 0:50cedd586816 176 35,36,48,49,57,58,62,63
dflet 0:50cedd586816 177 };
dflet 0:50cedd586816 178
dflet 0:50cedd586816 179 unsigned int JPEG_StdHuffmanTbl[384] =
dflet 0:50cedd586816 180 {
dflet 0:50cedd586816 181 0x100, 0x101, 0x204, 0x30b, 0x41a, 0x678, 0x7f8, 0x9f6,
dflet 0:50cedd586816 182 0xf82, 0xf83, 0x30c, 0x41b, 0x679, 0x8f6, 0xaf6, 0xf84,
dflet 0:50cedd586816 183 0xf85, 0xf86, 0xf87, 0xf88, 0x41c, 0x7f9, 0x9f7, 0xbf4,
dflet 0:50cedd586816 184 0xf89, 0xf8a, 0xf8b, 0xf8c, 0xf8d, 0xf8e, 0x53a, 0x8f7,
dflet 0:50cedd586816 185 0xbf5, 0xf8f, 0xf90, 0xf91, 0xf92, 0xf93, 0xf94, 0xf95,
dflet 0:50cedd586816 186 0x53b, 0x9f8, 0xf96, 0xf97, 0xf98, 0xf99, 0xf9a, 0xf9b,
dflet 0:50cedd586816 187 0xf9c, 0xf9d, 0x67a, 0xaf7, 0xf9e, 0xf9f, 0xfa0, 0xfa1,
dflet 0:50cedd586816 188 0xfa2, 0xfa3, 0xfa4, 0xfa5, 0x67b, 0xbf6, 0xfa6, 0xfa7,
dflet 0:50cedd586816 189 0xfa8, 0xfa9, 0xfaa, 0xfab, 0xfac, 0xfad, 0x7fa, 0xbf7,
dflet 0:50cedd586816 190 0xfae, 0xfaf, 0xfb0, 0xfb1, 0xfb2, 0xfb3, 0xfb4, 0xfb5,
dflet 0:50cedd586816 191 0x8f8, 0xec0, 0xfb6, 0xfb7, 0xfb8, 0xfb9, 0xfba, 0xfbb,
dflet 0:50cedd586816 192 0xfbc, 0xfbd, 0x8f9, 0xfbe, 0xfbf, 0xfc0, 0xfc1, 0xfc2,
dflet 0:50cedd586816 193 0xfc3, 0xfc4, 0xfc5, 0xfc6, 0x8fa, 0xfc7, 0xfc8, 0xfc9,
dflet 0:50cedd586816 194 0xfca, 0xfcb, 0xfcc, 0xfcd, 0xfce, 0xfcf, 0x9f9, 0xfd0,
dflet 0:50cedd586816 195 0xfd1, 0xfd2, 0xfd3, 0xfd4, 0xfd5, 0xfd6, 0xfd7, 0xfd8,
dflet 0:50cedd586816 196 0x9fa, 0xfd9, 0xfda, 0xfdb, 0xfdc, 0xfdd, 0xfde, 0xfdf,
dflet 0:50cedd586816 197 0xfe0, 0xfe1, 0xaf8, 0xfe2, 0xfe3, 0xfe4, 0xfe5, 0xfe6,
dflet 0:50cedd586816 198 0xfe7, 0xfe8, 0xfe9, 0xfea, 0xfeb, 0xfec, 0xfed, 0xfee,
dflet 0:50cedd586816 199 0xfef, 0xff0, 0xff1, 0xff2, 0xff3, 0xff4, 0xff5, 0xff6,
dflet 0:50cedd586816 200 0xff7, 0xff8, 0xff9, 0xffa, 0xffb, 0xffc, 0xffd, 0xffe,
dflet 0:50cedd586816 201 0x30a, 0xaf9, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
dflet 0:50cedd586816 202 0xfd0, 0xfd1, 0xfd2, 0xfd3, 0xfd4, 0xfd5, 0xfd6, 0xfd7,
dflet 0:50cedd586816 203 0x101, 0x204, 0x30a, 0x418, 0x419, 0x538, 0x678, 0x8f4,
dflet 0:50cedd586816 204 0x9f6, 0xbf4, 0x30b, 0x539, 0x7f6, 0x8f5, 0xaf6, 0xbf5,
dflet 0:50cedd586816 205 0xf88, 0xf89, 0xf8a, 0xf8b, 0x41a, 0x7f7, 0x9f7, 0xbf6,
dflet 0:50cedd586816 206 0xec2, 0xf8c, 0xf8d, 0xf8e, 0xf8f, 0xf90, 0x41b, 0x7f8,
dflet 0:50cedd586816 207 0x9f8, 0xbf7, 0xf91, 0xf92, 0xf93, 0xf94, 0xf95, 0xf96,
dflet 0:50cedd586816 208 0x53a, 0x8f6, 0xf97, 0xf98, 0xf99, 0xf9a, 0xf9b, 0xf9c,
dflet 0:50cedd586816 209 0xf9d, 0xf9e, 0x53b, 0x9f9, 0xf9f, 0xfa0, 0xfa1, 0xfa2,
dflet 0:50cedd586816 210 0xfa3, 0xfa4, 0xfa5, 0xfa6, 0x679, 0xaf7, 0xfa7, 0xfa8,
dflet 0:50cedd586816 211 0xfa9, 0xfaa, 0xfab, 0xfac, 0xfad, 0xfae, 0x67a, 0xaf8,
dflet 0:50cedd586816 212 0xfaf, 0xfb0, 0xfb1, 0xfb2, 0xfb3, 0xfb4, 0xfb5, 0xfb6,
dflet 0:50cedd586816 213 0x7f9, 0xfb7, 0xfb8, 0xfb9, 0xfba, 0xfbb, 0xfbc, 0xfbd,
dflet 0:50cedd586816 214 0xfbe, 0xfbf, 0x8f7, 0xfc0, 0xfc1, 0xfc2, 0xfc3, 0xfc4,
dflet 0:50cedd586816 215 0xfc5, 0xfc6, 0xfc7, 0xfc8, 0x8f8, 0xfc9, 0xfca, 0xfcb,
dflet 0:50cedd586816 216 0xfcc, 0xfcd, 0xfce, 0xfcf, 0xfd0, 0xfd1, 0x8f9, 0xfd2,
dflet 0:50cedd586816 217 0xfd3, 0xfd4, 0xfd5, 0xfd6, 0xfd7, 0xfd8, 0xfd9, 0xfda,
dflet 0:50cedd586816 218 0x8fa, 0xfdb, 0xfdc, 0xfdd, 0xfde, 0xfdf, 0xfe0, 0xfe1,
dflet 0:50cedd586816 219 0xfe2, 0xfe3, 0xaf9, 0xfe4, 0xfe5, 0xfe6, 0xfe7, 0xfe8,
dflet 0:50cedd586816 220 0xfe9, 0xfea, 0xfeb, 0xfec, 0xde0, 0xfed, 0xfee, 0xfef,
dflet 0:50cedd586816 221 0xff0, 0xff1, 0xff2, 0xff3, 0xff4, 0xff5, 0xec3, 0xff6,
dflet 0:50cedd586816 222 0xff7, 0xff8, 0xff9, 0xffa, 0xffb, 0xffc, 0xffd, 0xffe,
dflet 0:50cedd586816 223 0x100, 0x9fa, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
dflet 0:50cedd586816 224 0xfd0, 0xfd1, 0xfd2, 0xfd3, 0xfd4, 0xfd5, 0xfd6, 0xfd7,
dflet 0:50cedd586816 225 0x100, 0x202, 0x203, 0x204, 0x205, 0x206, 0x30e, 0x41e,
dflet 0:50cedd586816 226 0x53e, 0x67e, 0x7fe, 0x8fe, 0xfff, 0xfff, 0xfff, 0xfff,
dflet 0:50cedd586816 227 0x100, 0x101, 0x102, 0x206, 0x30e, 0x41e, 0x53e, 0x67e,
dflet 0:50cedd586816 228 0x7fe, 0x8fe, 0x9fe, 0xafe, 0xfff, 0xfff, 0xfff, 0xfff
dflet 0:50cedd586816 229 };
dflet 0:50cedd586816 230 #endif
dflet 0:50cedd586816 231
dflet 0:50cedd586816 232 //*****************************************************************************
dflet 0:50cedd586816 233 //
dflet 0:50cedd586816 234 //! Start Camera
dflet 0:50cedd586816 235 //! 1. Establishes connection w/ AP//
dflet 0:50cedd586816 236 //! 2. Initializes the camera sub-components//! GPIO Enable & Configuration
dflet 0:50cedd586816 237 //! 3. Listens and processes the image capture requests from user-applications
dflet 0:50cedd586816 238 //!
dflet 0:50cedd586816 239 //! \param[out] WriteBuffer - Pointer to the Frame Buffer
dflet 0:50cedd586816 240 //! \return None
dflet 0:50cedd586816 241 //
dflet 0:50cedd586816 242 //*****************************************************************************
dflet 0:50cedd586816 243
dflet 0:50cedd586816 244 unsigned short StartCamera(char **WriteBuffer)
dflet 0:50cedd586816 245 {
dflet 6:37fb696395d7 246 // Uart_Write((uint8_t*)"StartCamera \n\r");
dflet 0:50cedd586816 247 unsigned short Writelength;
dflet 0:50cedd586816 248 //
dflet 0:50cedd586816 249 // Waits in the below loop till Capture button is pressed
dflet 0:50cedd586816 250 //
dflet 0:50cedd586816 251 Writelength = CaptureImage(WriteBuffer);
dflet 0:50cedd586816 252
dflet 0:50cedd586816 253 return(Writelength);
dflet 0:50cedd586816 254
dflet 0:50cedd586816 255 }
dflet 0:50cedd586816 256 //*****************************************************************************
dflet 0:50cedd586816 257 //
dflet 0:50cedd586816 258 //! InitCameraComponents
dflet 0:50cedd586816 259 //! PinMux, Camera Initialization and Configuration
dflet 0:50cedd586816 260 //!
dflet 0:50cedd586816 261 //! \param[in] width - X-Axis
dflet 0:50cedd586816 262 //! \param[in] width - Y-Axis
dflet 0:50cedd586816 263 //! \return None
dflet 0:50cedd586816 264 //
dflet 0:50cedd586816 265 //*****************************************************************************
dflet 0:50cedd586816 266
dflet 0:50cedd586816 267 void InitCameraComponents(int width, int height)
dflet 0:50cedd586816 268 {
dflet 6:37fb696395d7 269 // Uart_Write((uint8_t*)"InitCameraComponents \n\r");
dflet 0:50cedd586816 270 //
dflet 0:50cedd586816 271 // Initialize I2C Interface
dflet 0:50cedd586816 272 //
dflet 0:50cedd586816 273 I2CInit();
dflet 6:37fb696395d7 274
dflet 0:50cedd586816 275 //
dflet 0:50cedd586816 276 // Initialize camera sensor
dflet 0:50cedd586816 277 //
dflet 0:50cedd586816 278 CameraSensorInit();
dflet 0:50cedd586816 279
dflet 0:50cedd586816 280 #ifdef ENABLE_JPEG
dflet 0:50cedd586816 281 //
dflet 0:50cedd586816 282 // Configure Sensor in Capture Mode
dflet 0:50cedd586816 283 //
dflet 0:50cedd586816 284 PIXELS_IN_X_AXIS = width;
dflet 0:50cedd586816 285 PIXELS_IN_Y_AXIS = height;
dflet 0:50cedd586816 286 FRAME_SIZE_IN_BYTES = PIXELS_IN_X_AXIS * PIXELS_IN_Y_AXIS * BYTES_PER_PIXEL;
dflet 0:50cedd586816 287
dflet 0:50cedd586816 288 StartSensorInJpegMode(width, height);
dflet 0:50cedd586816 289
dflet 0:50cedd586816 290 #endif
dflet 0:50cedd586816 291 }
dflet 0:50cedd586816 292
dflet 0:50cedd586816 293 //*****************************************************************************
dflet 0:50cedd586816 294 //
dflet 0:50cedd586816 295 //! Set resolution of camera
dflet 0:50cedd586816 296 //!
dflet 0:50cedd586816 297 //! \param[in] width - X Axis
dflet 0:50cedd586816 298 //! \param[in] height - Y Axis
dflet 0:50cedd586816 299 //! \return 0 on success else -ve
dflet 0:50cedd586816 300 //
dflet 0:50cedd586816 301 //*****************************************************************************
dflet 0:50cedd586816 302
dflet 0:50cedd586816 303 int SetCameraResolution(int width, int height)
dflet 0:50cedd586816 304 {
dflet 0:50cedd586816 305 Uart_Write((uint8_t*)"SetCameraResolution \n\r");
dflet 0:50cedd586816 306 int lRetVal = 0;
dflet 0:50cedd586816 307
dflet 0:50cedd586816 308 PIXELS_IN_X_AXIS = width;
dflet 0:50cedd586816 309 PIXELS_IN_Y_AXIS = height;
dflet 0:50cedd586816 310 FRAME_SIZE_IN_BYTES = PIXELS_IN_X_AXIS * PIXELS_IN_Y_AXIS * BYTES_PER_PIXEL;
dflet 0:50cedd586816 311 lRetVal = CameraSensorResolution(width, height);
dflet 0:50cedd586816 312 return lRetVal;
dflet 0:50cedd586816 313 }
dflet 0:50cedd586816 314
dflet 0:50cedd586816 315 //*****************************************************************************
dflet 0:50cedd586816 316 //
dflet 0:50cedd586816 317 //! CaptureImage
dflet 0:50cedd586816 318 //! Configures DMA and starts the Capture. Post Capture writes to SFLASH
dflet 0:50cedd586816 319 //!
dflet 0:50cedd586816 320 //! \param None
dflet 0:50cedd586816 321 //! \return None
dflet 0:50cedd586816 322 //!
dflet 0:50cedd586816 323 //
dflet 0:50cedd586816 324 //*****************************************************************************
dflet 12:7d75ba5deed1 325 uint16_t CaptureImage(char** WriteBuffer)
dflet 0:50cedd586816 326 {
dflet 12:7d75ba5deed1 327 // Uart_Write((uint8_t*)"CaptureImage \n\r");
dflet 11:404bd8bb7fa6 328 DCMI_HandleTypeDef phdcmi;
dflet 11:404bd8bb7fa6 329 DMA_HandleTypeDef hdma_dcmi;
dflet 12:7d75ba5deed1 330
dflet 12:7d75ba5deed1 331 uint32_t g_header_length = 0;
dflet 12:7d75ba5deed1 332 // memset(g_image.g_image_buffer,0xF80F,sizeof(g_image.g_image_buffer));
dflet 12:7d75ba5deed1 333 memset(g_image.g_image_buffer,0x0F,sizeof(g_image.g_image_buffer));
dflet 12:7d75ba5deed1 334 uint32_t *p_buffer = &(g_image.g_image_buffer[0]);
dflet 10:f2447c682c0f 335
dflet 0:50cedd586816 336 DMAConfig();
dflet 11:404bd8bb7fa6 337
dflet 0:50cedd586816 338 //
dflet 0:50cedd586816 339 // Perform Image Capture
dflet 0:50cedd586816 340 //
dflet 9:b7c6e7303df5 341 // wait_ms(500);
dflet 12:7d75ba5deed1 342
dflet 11:404bd8bb7fa6 343 #ifdef ENABLE_JPEG
dflet 9:b7c6e7303df5 344 HAL_DCMI_Start_DMA(&phdcmi, DCMI_MODE_SNAPSHOT, (uint32_t)p_buffer, NUM_OF_4B_CHUNKS);
dflet 11:404bd8bb7fa6 345 #else
dflet 11:404bd8bb7fa6 346 HAL_DCMI_Start_DMA(&phdcmi, DCMI_MODE_CONTINUOUS, (uint32_t)p_buffer, NUM_OF_4B_CHUNKS);
dflet 12:7d75ba5deed1 347 #endif
dflet 2:b92db44a29b4 348 g_frame_end = 1;
dflet 2:b92db44a29b4 349
dflet 12:7d75ba5deed1 350 /* Read the number of data items transferred in bytes ((4x) uint = 4 bytes) */
dflet 9:b7c6e7303df5 351 g_frame_size_in_bytes = 4*(NUM_OF_4B_CHUNKS - hdma_dcmi.Instance->NDTR);
dflet 12:7d75ba5deed1 352 if(g_frame_size_in_bytes <= 0 || g_frame_size_in_bytes > (NUM_OF_4B_CHUNKS *4)){
dflet 12:7d75ba5deed1 353 HttpDebug("\r\nFailed to capture or data over-run, check camera connections!\r\n");
dflet 10:f2447c682c0f 354 HAL_DCMI_MspDeInit(&phdcmi);
dflet 10:f2447c682c0f 355 while(1){
dflet 10:f2447c682c0f 356 wait(0.5);
dflet 10:f2447c682c0f 357 }
dflet 10:f2447c682c0f 358 }
dflet 5:75fcfdb7cae7 359 g_dma_txn_done = 1;
dflet 5:75fcfdb7cae7 360 g_total_dma_intrpts = 1;
dflet 5:75fcfdb7cae7 361
dflet 12:7d75ba5deed1 362 // HttpDebug("frame size = 0x%x \r\n",g_frame_size_in_bytes);
dflet 9:b7c6e7303df5 363
dflet 11:404bd8bb7fa6 364 uint8_t* Image = reinterpret_cast<uint8_t*>(&g_image.g_image_buffer);
dflet 12:7d75ba5deed1 365 #if 0
dflet 9:b7c6e7303df5 366 for(int i =0;i< 10;i++){
dflet 11:404bd8bb7fa6 367 HttpDebug("0x%x ",Image[i]);
dflet 8:529a12812c53 368 }
dflet 12:7d75ba5deed1 369 #endif//if 0
dflet 0:50cedd586816 370 //
dflet 0:50cedd586816 371 // Create JPEG Header
dflet 0:50cedd586816 372 //
dflet 0:50cedd586816 373 #ifdef ENABLE_JPEG
dflet 0:50cedd586816 374 memset(g_image.g_header, '\0', sizeof(g_image.g_header));
dflet 0:50cedd586816 375 g_header_length = CreateJpegHeader((char *)&(g_image.g_header[0]), PIXELS_IN_X_AXIS,
dflet 0:50cedd586816 376 PIXELS_IN_Y_AXIS, 0, 0x0020, 9);
dflet 12:7d75ba5deed1 377 // HttpDebug("g_header_length = 0x%x \r\n",g_header_length);
dflet 8:529a12812c53 378 // This pushes the header to the start of the array so that the entire picture can be contiguous in memory
dflet 12:7d75ba5deed1 379 // memcpy(Image + g_header_length, Image, g_frame_size_in_bytes);
dflet 12:7d75ba5deed1 380 // memcpy(Image, g_image.g_header, g_header_length);
dflet 12:7d75ba5deed1 381 // This pushes the header to the end of the array so that the entire picture can be contiguous in memory
dflet 12:7d75ba5deed1 382 memcpy(Image + g_frame_size_in_bytes, g_image.g_header, g_header_length);
dflet 8:529a12812c53 383 #if 0
dflet 11:404bd8bb7fa6 384 for(int i =624;i< 725;i++){
dflet 11:404bd8bb7fa6 385 HttpDebug("0x%x ",Image[i]);
dflet 8:529a12812c53 386 }
dflet 8:529a12812c53 387 #endif//if 0
dflet 0:50cedd586816 388
dflet 8:529a12812c53 389 #endif//ENABLE_JPEG
dflet 8:529a12812c53 390
dflet 11:404bd8bb7fa6 391 *WriteBuffer = (char*)Image;
dflet 8:529a12812c53 392
dflet 0:50cedd586816 393 return(g_header_length + g_frame_size_in_bytes);
dflet 0:50cedd586816 394 }
dflet 0:50cedd586816 395 //*****************************************************************************
dflet 0:50cedd586816 396 //
dflet 0:50cedd586816 397 //! DMA Config
dflet 6:37fb696395d7 398 //! Initialize the DMA\DCMI and Setup the DMA transfer
dflet 0:50cedd586816 399 //!
dflet 0:50cedd586816 400 //! \param None
dflet 0:50cedd586816 401 //! \return None
dflet 0:50cedd586816 402 //
dflet 0:50cedd586816 403 //*****************************************************************************
dflet 12:7d75ba5deed1 404 void DMAConfig()
dflet 0:50cedd586816 405 {
dflet 11:404bd8bb7fa6 406 DCMI_HandleTypeDef phdcmi;
dflet 11:404bd8bb7fa6 407 DMA_HandleTypeDef hdma_dcmi;
dflet 6:37fb696395d7 408 // Uart_Write((uint8_t*)"DMAConfig \n\r");
dflet 5:75fcfdb7cae7 409
dflet 5:75fcfdb7cae7 410 /* Peripheral DMA init*/
dflet 5:75fcfdb7cae7 411 /* DMA controller clock enable */
dflet 5:75fcfdb7cae7 412 __DMA2_CLK_ENABLE();
dflet 5:75fcfdb7cae7 413
dflet 5:75fcfdb7cae7 414 hdma_dcmi.Init.Channel = DMA_CHANNEL_1;
dflet 5:75fcfdb7cae7 415 hdma_dcmi.Init.Direction = DMA_PERIPH_TO_MEMORY;
dflet 5:75fcfdb7cae7 416 hdma_dcmi.Init.PeriphInc = DMA_PINC_DISABLE;
dflet 5:75fcfdb7cae7 417 hdma_dcmi.Init.MemInc = DMA_MINC_ENABLE;
dflet 12:7d75ba5deed1 418 hdma_dcmi.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;//Cam is 1 byte wide data (8 bits) should this be word?????
dflet 12:7d75ba5deed1 419 hdma_dcmi.Init.MemDataAlignment = DMA_PDATAALIGN_WORD;//Memory has been defined as uint (1 word)
dflet 7:a069c1750fbc 420 hdma_dcmi.Init.Mode = DMA_CIRCULAR;
dflet 5:75fcfdb7cae7 421 hdma_dcmi.Init.Priority = DMA_PRIORITY_HIGH;
dflet 11:404bd8bb7fa6 422 hdma_dcmi.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
dflet 5:75fcfdb7cae7 423 hdma_dcmi.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
dflet 5:75fcfdb7cae7 424 hdma_dcmi.Init.MemBurst = DMA_MBURST_SINGLE;
dflet 5:75fcfdb7cae7 425 hdma_dcmi.Init.PeriphBurst = DMA_PBURST_SINGLE;
dflet 10:f2447c682c0f 426 hdma_dcmi.Instance = DMA2_Stream1;
dflet 5:75fcfdb7cae7 427
dflet 11:404bd8bb7fa6 428 __HAL_LINKDMA(&phdcmi, DMA_Handle, hdma_dcmi);
dflet 5:75fcfdb7cae7 429
dflet 5:75fcfdb7cae7 430 /* DMA interrupt init */
dflet 12:7d75ba5deed1 431 HAL_NVIC_SetPriority(DMA2_Stream1_IRQn, 0, 0);
dflet 5:75fcfdb7cae7 432 HAL_NVIC_EnableIRQ(DMA2_Stream1_IRQn);
dflet 10:f2447c682c0f 433
dflet 10:f2447c682c0f 434 /* Peripheral DCMI init*/
dflet 10:f2447c682c0f 435
dflet 10:f2447c682c0f 436 /* Peripheral clock enable */
dflet 10:f2447c682c0f 437 __DCMI_CLK_ENABLE();
dflet 5:75fcfdb7cae7 438
dflet 5:75fcfdb7cae7 439 phdcmi.Init.SynchroMode = DCMI_SYNCHRO_HARDWARE;
dflet 12:7d75ba5deed1 440 phdcmi.Init.PCKPolarity = DCMI_PCKPOLARITY_FALLING;
dflet 12:7d75ba5deed1 441 // phdcmi.Init.PCKPolarity = DCMI_PCKPOLARITY_RISING;
dflet 12:7d75ba5deed1 442 phdcmi.Init.VSPolarity = DCMI_VSPOLARITY_HIGH;
dflet 12:7d75ba5deed1 443 // phdcmi.Init.VSPolarity = DCMI_VSPOLARITY_LOW;
dflet 12:7d75ba5deed1 444 phdcmi.Init.HSPolarity = DCMI_HSPOLARITY_HIGH;
dflet 12:7d75ba5deed1 445 // phdcmi.Init.HSPolarity = DCMI_HSPOLARITY_LOW;
dflet 5:75fcfdb7cae7 446 phdcmi.Init.CaptureRate = DCMI_CR_ALL_FRAME;
dflet 10:f2447c682c0f 447 phdcmi.Init.ExtendedDataMode = DCMI_EXTEND_DATA_8B;
dflet 5:75fcfdb7cae7 448 #ifdef ENABLE_JPEG
dflet 10:f2447c682c0f 449 phdcmi.Init.JPEGMode = DCMI_JPEG_ENABLE;
dflet 5:75fcfdb7cae7 450 #else
dflet 10:f2447c682c0f 451 phdcmi.Init.JPEGMode = DCMI_JPEG_DISABLE;
dflet 5:75fcfdb7cae7 452 #endif
dflet 10:f2447c682c0f 453 phdcmi.Instance = DCMI;
dflet 5:75fcfdb7cae7 454
dflet 5:75fcfdb7cae7 455 GPIO_InitTypeDef GPIO_InitStruct;
dflet 5:75fcfdb7cae7 456 if(phdcmi.Instance==DCMI)
dflet 5:75fcfdb7cae7 457 {
dflet 5:75fcfdb7cae7 458 __GPIOE_CLK_ENABLE();
dflet 5:75fcfdb7cae7 459 __GPIOA_CLK_ENABLE();
dflet 5:75fcfdb7cae7 460 __GPIOB_CLK_ENABLE();
dflet 7:a069c1750fbc 461 __GPIOC_CLK_ENABLE();
dflet 5:75fcfdb7cae7 462
dflet 10:f2447c682c0f 463 /**MCO1/2 GPIO Configuration
dflet 7:a069c1750fbc 464 PC9 ------> RCC_MCO_2
dflet 7:a069c1750fbc 465 PA8 ------> RCC_MCO_1
dflet 5:75fcfdb7cae7 466 */
dflet 5:75fcfdb7cae7 467
dflet 7:a069c1750fbc 468 /**DCMI GPIO Configuration
dflet 7:a069c1750fbc 469 PA9 ------> DCMI_D0
dflet 7:a069c1750fbc 470 PA10 ------> DCMI_D1
dflet 7:a069c1750fbc 471 PC8 ------> DCMI_D2
dflet 7:a069c1750fbc 472 PE1 ------> DCMI_D3
dflet 5:75fcfdb7cae7 473 PE4 ------> DCMI_D4
dflet 7:a069c1750fbc 474 PB6 ------> DCMI_D5
dflet 5:75fcfdb7cae7 475 PE5 ------> DCMI_D6
dflet 5:75fcfdb7cae7 476 PE6 ------> DCMI_D7
dflet 7:a069c1750fbc 477 PA6 ------> DCMI_PIXCK
dflet 5:75fcfdb7cae7 478 PA4 ------> DCMI_HSYNC
dflet 7:a069c1750fbc 479 PB7 ------> DCMI_VSYNC
dflet 12:7d75ba5deed1 480
dflet 5:75fcfdb7cae7 481 */
dflet 7:a069c1750fbc 482 /* D3 D4 D6 D7 */
dflet 5:75fcfdb7cae7 483 GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6;
dflet 5:75fcfdb7cae7 484 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
dflet 7:a069c1750fbc 485 GPIO_InitStruct.Pull = GPIO_PULLUP;
dflet 5:75fcfdb7cae7 486 GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
dflet 5:75fcfdb7cae7 487 GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
dflet 5:75fcfdb7cae7 488 HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
dflet 7:a069c1750fbc 489
dflet 7:a069c1750fbc 490 /* HSYNC PIXCLK D0 D1 */
dflet 5:75fcfdb7cae7 491 GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_6|GPIO_PIN_9|GPIO_PIN_10;
dflet 5:75fcfdb7cae7 492 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
dflet 7:a069c1750fbc 493 GPIO_InitStruct.Pull = GPIO_PULLUP;
dflet 5:75fcfdb7cae7 494 GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
dflet 5:75fcfdb7cae7 495 GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
dflet 5:75fcfdb7cae7 496 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
dflet 7:a069c1750fbc 497
dflet 7:a069c1750fbc 498 /* D2 */
dflet 5:75fcfdb7cae7 499 GPIO_InitStruct.Pin = GPIO_PIN_8;
dflet 5:75fcfdb7cae7 500 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
dflet 7:a069c1750fbc 501 GPIO_InitStruct.Pull = GPIO_PULLUP;
dflet 5:75fcfdb7cae7 502 GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
dflet 5:75fcfdb7cae7 503 GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
dflet 5:75fcfdb7cae7 504 HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
dflet 5:75fcfdb7cae7 505
dflet 12:7d75ba5deed1 506 /*Configure GPIO pin : GPIO_AF0_MCO PC9
dflet 5:75fcfdb7cae7 507 GPIO_InitStruct.Pin = GPIO_PIN_9;
dflet 5:75fcfdb7cae7 508 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
dflet 7:a069c1750fbc 509 GPIO_InitStruct.Pull = GPIO_PULLUP;
dflet 5:75fcfdb7cae7 510 GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
dflet 5:75fcfdb7cae7 511 GPIO_InitStruct.Alternate = GPIO_AF0_MCO;
dflet 5:75fcfdb7cae7 512 HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
dflet 12:7d75ba5deed1 513 */
dflet 12:7d75ba5deed1 514 /*Configure GPIO pin : GPIO_AF0_MCO PA8
dflet 7:a069c1750fbc 515 GPIO_InitStruct.Pin = GPIO_PIN_8;
dflet 7:a069c1750fbc 516 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
dflet 10:f2447c682c0f 517 GPIO_InitStruct.Pull = GPIO_PULLUP;
dflet 10:f2447c682c0f 518 GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
dflet 7:a069c1750fbc 519 GPIO_InitStruct.Alternate = GPIO_AF0_MCO;
dflet 7:a069c1750fbc 520 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
dflet 12:7d75ba5deed1 521 */
dflet 7:a069c1750fbc 522 /* D5 VSYNC */
dflet 5:75fcfdb7cae7 523 GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
dflet 5:75fcfdb7cae7 524 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
dflet 7:a069c1750fbc 525 GPIO_InitStruct.Pull = GPIO_PULLUP;
dflet 5:75fcfdb7cae7 526 GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
dflet 5:75fcfdb7cae7 527 GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
dflet 5:75fcfdb7cae7 528 HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
dflet 5:75fcfdb7cae7 529
dflet 5:75fcfdb7cae7 530 /* System interrupt init*/
dflet 12:7d75ba5deed1 531 HAL_NVIC_SetPriority(DCMI_IRQn, 0, 0);
dflet 5:75fcfdb7cae7 532 HAL_NVIC_EnableIRQ(DCMI_IRQn);
dflet 5:75fcfdb7cae7 533
dflet 5:75fcfdb7cae7 534 HAL_DMA_Init(&hdma_dcmi);
dflet 5:75fcfdb7cae7 535 HAL_DCMI_Init(&phdcmi);
dflet 5:75fcfdb7cae7 536
dflet 5:75fcfdb7cae7 537 }
dflet 0:50cedd586816 538
dflet 0:50cedd586816 539 g_dma_txn_done = 0;
dflet 0:50cedd586816 540 g_frame_size_in_bytes = 0;
dflet 0:50cedd586816 541 g_frame_end = 0;
dflet 0:50cedd586816 542 g_total_dma_intrpts = 0;
dflet 6:37fb696395d7 543 }
dflet 0:50cedd586816 544
dflet 5:75fcfdb7cae7 545 void HAL_DCMI_MspDeInit(DCMI_HandleTypeDef* phdcmi){
dflet 5:75fcfdb7cae7 546
dflet 5:75fcfdb7cae7 547 if(phdcmi->Instance==DCMI)
dflet 5:75fcfdb7cae7 548 {
dflet 0:50cedd586816 549
dflet 5:75fcfdb7cae7 550 /* Peripheral clock disable */
dflet 5:75fcfdb7cae7 551 __DCMI_CLK_DISABLE();
dflet 5:75fcfdb7cae7 552
dflet 5:75fcfdb7cae7 553 /**DCMI GPIO Configuration
dflet 5:75fcfdb7cae7 554 PE4 ------> DCMI_D4
dflet 5:75fcfdb7cae7 555 PE5 ------> DCMI_D6
dflet 5:75fcfdb7cae7 556 PE6 ------> DCMI_D7
dflet 5:75fcfdb7cae7 557 PA4 ------> DCMI_HSYNC
dflet 5:75fcfdb7cae7 558 PA6 ------> DCMI_PIXCK
dflet 5:75fcfdb7cae7 559 PC8 ------> DCMI_D2
dflet 5:75fcfdb7cae7 560 PE1 ------> DCMI_D3
dflet 5:75fcfdb7cae7 561 PA9 ------> DCMI_D0
dflet 5:75fcfdb7cae7 562 PA10 ------> DCMI_D1
dflet 5:75fcfdb7cae7 563 PB6 ------> DCMI_D5
dflet 5:75fcfdb7cae7 564 PB7 ------> DCMI_VSYNC
dflet 5:75fcfdb7cae7 565
dflet 5:75fcfdb7cae7 566 PE1 ------> MCO2
dflet 5:75fcfdb7cae7 567 */
dflet 5:75fcfdb7cae7 568
dflet 5:75fcfdb7cae7 569 HAL_GPIO_DeInit(GPIOE, GPIO_PIN_1|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6);
dflet 5:75fcfdb7cae7 570
dflet 5:75fcfdb7cae7 571 HAL_GPIO_DeInit(GPIOA, GPIO_PIN_4|GPIO_PIN_6|GPIO_PIN_9|GPIO_PIN_10);
dflet 5:75fcfdb7cae7 572
dflet 5:75fcfdb7cae7 573 HAL_GPIO_DeInit(GPIOC, GPIO_PIN_9|GPIO_PIN_8);
dflet 5:75fcfdb7cae7 574
dflet 5:75fcfdb7cae7 575 HAL_GPIO_DeInit(GPIOB, GPIO_PIN_6|GPIO_PIN_7);
dflet 5:75fcfdb7cae7 576
dflet 5:75fcfdb7cae7 577 /* Peripheral DMA DeInit*/
dflet 5:75fcfdb7cae7 578 HAL_DMA_DeInit(phdcmi->DMA_Handle);
dflet 5:75fcfdb7cae7 579
dflet 5:75fcfdb7cae7 580 /* Peripheral interrupt DeInit*/
dflet 5:75fcfdb7cae7 581 HAL_NVIC_DisableIRQ(DCMI_IRQn);
dflet 5:75fcfdb7cae7 582
dflet 5:75fcfdb7cae7 583 }
dflet 5:75fcfdb7cae7 584
dflet 5:75fcfdb7cae7 585 }
dflet 0:50cedd586816 586
dflet 0:50cedd586816 587 //*****************************************************************************
dflet 0:50cedd586816 588 //
dflet 0:50cedd586816 589 //! JfifApp0Marker
dflet 0:50cedd586816 590 //!
dflet 0:50cedd586816 591 //! \param Pointer to the output buffer
dflet 0:50cedd586816 592 //! \return Length of the Marker
dflet 0:50cedd586816 593 //
dflet 0:50cedd586816 594 //*****************************************************************************
dflet 0:50cedd586816 595
dflet 0:50cedd586816 596 #ifdef ENABLE_JPEG
dflet 0:50cedd586816 597 static int JfifApp0Marker(char *pbuf)
dflet 0:50cedd586816 598 {
dflet 7:a069c1750fbc 599 // Uart_Write((uint8_t*)"JfifApp0Marker \n\r");
dflet 0:50cedd586816 600 *pbuf++= 0xFF; // APP0 marker
dflet 0:50cedd586816 601 *pbuf++= 0xE0;
dflet 0:50cedd586816 602 *pbuf++= 0x00; // length
dflet 0:50cedd586816 603 *pbuf++= 0x10;
dflet 0:50cedd586816 604 *pbuf++= 0x4A; // JFIF identifier
dflet 0:50cedd586816 605 *pbuf++= 0x46;
dflet 0:50cedd586816 606 *pbuf++= 0x49;
dflet 0:50cedd586816 607 *pbuf++= 0x46;
dflet 0:50cedd586816 608 *pbuf++= 0x00;
dflet 0:50cedd586816 609 *pbuf++= 0x01; // version
dflet 0:50cedd586816 610 *pbuf++= 0x02;
dflet 0:50cedd586816 611 *pbuf++= 0x00; // units
dflet 0:50cedd586816 612 *pbuf++= 0x00; // X density
dflet 0:50cedd586816 613 *pbuf++= 0x01;
dflet 0:50cedd586816 614 *pbuf++= 0x00; // Y density
dflet 0:50cedd586816 615 *pbuf++= 0x01;
dflet 0:50cedd586816 616 *pbuf++= 0x00; // X thumbnail
dflet 0:50cedd586816 617 *pbuf++= 0x00; // Y thumbnail
dflet 0:50cedd586816 618 return 18;
dflet 0:50cedd586816 619 }
dflet 0:50cedd586816 620
dflet 0:50cedd586816 621
dflet 0:50cedd586816 622 //*****************************************************************************
dflet 0:50cedd586816 623 //
dflet 0:50cedd586816 624 //! FrameHeaderMarker
dflet 0:50cedd586816 625 //!
dflet 0:50cedd586816 626 //! \param1 pointer to the output buffer
dflet 0:50cedd586816 627 //! \param2 width
dflet 0:50cedd586816 628 //! \param3 height
dflet 0:50cedd586816 629 //! \param4 format
dflet 0:50cedd586816 630 //!
dflet 0:50cedd586816 631 //! \return Length of the header marker
dflet 0:50cedd586816 632 //
dflet 0:50cedd586816 633 //*****************************************************************************
dflet 0:50cedd586816 634 static int FrameHeaderMarker(char *pbuf, int width, int height, int format)
dflet 0:50cedd586816 635 {
dflet 7:a069c1750fbc 636 // Uart_Write((uint8_t*)"FrameHeaderMarker \n\r");
dflet 0:50cedd586816 637 int length;
dflet 0:50cedd586816 638 if (format == FORMAT_MONOCHROME)
dflet 0:50cedd586816 639 length = 11;
dflet 0:50cedd586816 640 else
dflet 0:50cedd586816 641 length = 17;
dflet 0:50cedd586816 642
dflet 0:50cedd586816 643 *pbuf++= 0xFF; // start of frame: baseline DCT
dflet 0:50cedd586816 644 *pbuf++= 0xC0;
dflet 0:50cedd586816 645 *pbuf++= length>>8; // length field
dflet 0:50cedd586816 646 *pbuf++= length&0xFF;
dflet 0:50cedd586816 647 *pbuf++= 0x08; // sample precision
dflet 0:50cedd586816 648 *pbuf++= height>>8; // number of lines
dflet 0:50cedd586816 649 *pbuf++= height&0xFF;
dflet 0:50cedd586816 650 *pbuf++= width>>8; // number of samples per line
dflet 0:50cedd586816 651 *pbuf++= width&0xFF;
dflet 0:50cedd586816 652
dflet 0:50cedd586816 653 if (format == FORMAT_MONOCHROME) // monochrome
dflet 0:50cedd586816 654 {
dflet 0:50cedd586816 655 *pbuf++= 0x01; // number of image components in frame
dflet 0:50cedd586816 656 *pbuf++= 0x00; // component identifier: Y
dflet 0:50cedd586816 657 *pbuf++= 0x11; // horizontal | vertical sampling factor: Y
dflet 0:50cedd586816 658 *pbuf++= 0x00; // quantization table selector: Y
dflet 0:50cedd586816 659 }
dflet 0:50cedd586816 660 else if (format == FORMAT_YCBCR422) // YCbCr422
dflet 0:50cedd586816 661 {
dflet 0:50cedd586816 662 *pbuf++= 0x03; // number of image components in frame
dflet 0:50cedd586816 663 *pbuf++= 0x00; // component identifier: Y
dflet 0:50cedd586816 664 *pbuf++= 0x21; // horizontal | vertical sampling factor: Y
dflet 0:50cedd586816 665 *pbuf++= 0x00; // quantization table selector: Y
dflet 0:50cedd586816 666 *pbuf++= 0x01; // component identifier: Cb
dflet 0:50cedd586816 667 *pbuf++= 0x11; // horizontal | vertical sampling factor: Cb
dflet 0:50cedd586816 668 *pbuf++= 0x01; // quantization table selector: Cb
dflet 0:50cedd586816 669 *pbuf++= 0x02; // component identifier: Cr
dflet 0:50cedd586816 670 *pbuf++= 0x11; // horizontal | vertical sampling factor: Cr
dflet 0:50cedd586816 671 *pbuf++= 0x01; // quantization table selector: Cr
dflet 0:50cedd586816 672 }
dflet 0:50cedd586816 673 else // YCbCr420
dflet 0:50cedd586816 674 {
dflet 0:50cedd586816 675 *pbuf++= 0x03; // number of image components in frame
dflet 0:50cedd586816 676 *pbuf++= 0x00; // component identifier: Y
dflet 0:50cedd586816 677 *pbuf++= 0x22; // horizontal | vertical sampling factor: Y
dflet 0:50cedd586816 678 *pbuf++= 0x00; // quantization table selector: Y
dflet 0:50cedd586816 679 *pbuf++= 0x01; // component identifier: Cb
dflet 0:50cedd586816 680 *pbuf++= 0x11; // horizontal | vertical sampling factor: Cb
dflet 0:50cedd586816 681 *pbuf++= 0x01; // quantization table selector: Cb
dflet 0:50cedd586816 682 *pbuf++= 0x02; // component identifier: Cr
dflet 0:50cedd586816 683 *pbuf++= 0x11; // horizontal | vertical sampling factor: Cr
dflet 0:50cedd586816 684 *pbuf++= 0x01; // quantization table selector: Cr
dflet 0:50cedd586816 685 }
dflet 0:50cedd586816 686
dflet 0:50cedd586816 687 return (length+2);
dflet 0:50cedd586816 688 }
dflet 0:50cedd586816 689
dflet 0:50cedd586816 690
dflet 0:50cedd586816 691 //*****************************************************************************
dflet 0:50cedd586816 692 //
dflet 0:50cedd586816 693 //! ScanHeaderMarker
dflet 0:50cedd586816 694 //!
dflet 0:50cedd586816 695 //! \param1 pointer to output buffer
dflet 0:50cedd586816 696 //! \param2 Format
dflet 0:50cedd586816 697 //!
dflet 0:50cedd586816 698 //! \return Length
dflet 0:50cedd586816 699 //
dflet 0:50cedd586816 700 //*****************************************************************************
dflet 0:50cedd586816 701 static int ScanHeaderMarker(char *pbuf, int format)
dflet 0:50cedd586816 702 {
dflet 0:50cedd586816 703 int length;
dflet 0:50cedd586816 704 if (format == FORMAT_MONOCHROME)
dflet 0:50cedd586816 705 length = 8;
dflet 0:50cedd586816 706 else
dflet 0:50cedd586816 707 length = 12;
dflet 0:50cedd586816 708
dflet 0:50cedd586816 709 *pbuf++= 0xFF; // start of scan
dflet 0:50cedd586816 710 *pbuf++= 0xDA;
dflet 0:50cedd586816 711 *pbuf++= length>>8; // length field
dflet 0:50cedd586816 712 *pbuf++= length&0xFF;
dflet 0:50cedd586816 713 if (format == FORMAT_MONOCHROME)// monochrome
dflet 0:50cedd586816 714 {
dflet 0:50cedd586816 715 *pbuf++= 0x01; // number of image components in scan
dflet 0:50cedd586816 716 *pbuf++= 0x00; // scan component selector: Y
dflet 0:50cedd586816 717 *pbuf++= 0x00; // DC | AC huffman table selector: Y
dflet 0:50cedd586816 718 }
dflet 0:50cedd586816 719 else // YCbCr
dflet 0:50cedd586816 720 {
dflet 0:50cedd586816 721 *pbuf++= 0x03; // number of image components in scan
dflet 0:50cedd586816 722 *pbuf++= 0x00; // scan component selector: Y
dflet 0:50cedd586816 723 *pbuf++= 0x00; // DC | AC huffman table selector: Y
dflet 0:50cedd586816 724 *pbuf++= 0x01; // scan component selector: Cb
dflet 0:50cedd586816 725 *pbuf++= 0x11; // DC | AC huffman table selector: Cb
dflet 0:50cedd586816 726 *pbuf++= 0x02; // scan component selector: Cr
dflet 0:50cedd586816 727 *pbuf++= 0x11; // DC | AC huffman table selector: Cr
dflet 0:50cedd586816 728 }
dflet 0:50cedd586816 729
dflet 0:50cedd586816 730 *pbuf++= 0x00; // Ss: start of predictor selector
dflet 0:50cedd586816 731 *pbuf++= 0x3F; // Se: end of spectral selector
dflet 0:50cedd586816 732 *pbuf++= 0x00; // Ah | Al: successive approximation bit position
dflet 0:50cedd586816 733
dflet 0:50cedd586816 734 return (length+2);
dflet 0:50cedd586816 735 }
dflet 0:50cedd586816 736
dflet 0:50cedd586816 737
dflet 0:50cedd586816 738 //*****************************************************************************
dflet 0:50cedd586816 739 //
dflet 0:50cedd586816 740 //! DefineQuantizationTableMarker
dflet 0:50cedd586816 741 //! Calculate and write the quantisation tables
dflet 0:50cedd586816 742 //! qscale is the customised scaling factor - see MT9D131 developer guide page 78
dflet 0:50cedd586816 743 //!
dflet 0:50cedd586816 744 //! \param1 pointer to the output buffer
dflet 0:50cedd586816 745 //! \param2 Quantization Scale
dflet 0:50cedd586816 746 //! \param3 Format
dflet 0:50cedd586816 747 //!
dflet 0:50cedd586816 748 //! \return Length of the Marker
dflet 0:50cedd586816 749 //
dflet 0:50cedd586816 750 //*****************************************************************************
dflet 0:50cedd586816 751 static int DefineQuantizationTableMarker (unsigned char *pbuf, int qscale, int format)
dflet 0:50cedd586816 752 {
dflet 7:a069c1750fbc 753 // Uart_Write((uint8_t*)"DefineQuantizationTableMarker \n\r");
dflet 0:50cedd586816 754 int i, length, temp;
dflet 0:50cedd586816 755 unsigned char newtbl[64]; // temporary array to store scaled zigzagged quant entries
dflet 0:50cedd586816 756
dflet 0:50cedd586816 757 if (format == FORMAT_MONOCHROME) // monochrome
dflet 0:50cedd586816 758 length = 67;
dflet 0:50cedd586816 759 else
dflet 0:50cedd586816 760 length = 132;
dflet 0:50cedd586816 761
dflet 0:50cedd586816 762 *pbuf++ = 0xFF; // define quantization table marker
dflet 0:50cedd586816 763 *pbuf++ = 0xDB;
dflet 0:50cedd586816 764 *pbuf++ = length>>8; // length field
dflet 0:50cedd586816 765 *pbuf++ = length&0xFF;
dflet 0:50cedd586816 766 *pbuf++ = 0; // quantization table precision | identifier for luminance
dflet 0:50cedd586816 767
dflet 0:50cedd586816 768 // calculate scaled zigzagged luminance quantisation table entries
dflet 0:50cedd586816 769 for (i=0; i<64; i++) {
dflet 0:50cedd586816 770 temp = (JPEG_StdQuantTblY[i] * qscale + 16) / 32;
dflet 0:50cedd586816 771 // limit the values to the valid range
dflet 0:50cedd586816 772 if (temp <= 0)
dflet 0:50cedd586816 773 temp = 1;
dflet 0:50cedd586816 774 if (temp > 255)
dflet 0:50cedd586816 775 temp = 255;
dflet 0:50cedd586816 776 newtbl[zigzag[i]] = (unsigned char) temp;
dflet 0:50cedd586816 777 }
dflet 0:50cedd586816 778
dflet 0:50cedd586816 779 // write the resulting luminance quant table to the output buffer
dflet 0:50cedd586816 780 for (i=0; i<64; i++)
dflet 0:50cedd586816 781 *pbuf++ = newtbl[i];
dflet 0:50cedd586816 782
dflet 0:50cedd586816 783 // if format is monochrome we're finished, otherwise continue on, to do chrominance quant table
dflet 0:50cedd586816 784 if (format == FORMAT_MONOCHROME)
dflet 0:50cedd586816 785 return (length+2);
dflet 0:50cedd586816 786
dflet 0:50cedd586816 787 *pbuf++ = 1; // quantization table precision | identifier for chrominance
dflet 0:50cedd586816 788
dflet 0:50cedd586816 789 // calculate scaled zigzagged chrominance quantisation table entries
dflet 0:50cedd586816 790 for (i=0; i<64; i++) {
dflet 0:50cedd586816 791 temp = (JPEG_StdQuantTblC[i] * qscale + 16) / 32;
dflet 0:50cedd586816 792 // limit the values to the valid range
dflet 0:50cedd586816 793 if (temp <= 0)
dflet 0:50cedd586816 794 temp = 1;
dflet 0:50cedd586816 795 if (temp > 255)
dflet 0:50cedd586816 796 temp = 255;
dflet 0:50cedd586816 797 newtbl[zigzag[i]] = (unsigned char) temp;
dflet 0:50cedd586816 798 }
dflet 0:50cedd586816 799
dflet 0:50cedd586816 800 // write the resulting chrominance quant table to the output buffer
dflet 0:50cedd586816 801 for (i=0; i<64; i++)
dflet 0:50cedd586816 802 *pbuf++ = newtbl[i];
dflet 0:50cedd586816 803
dflet 0:50cedd586816 804 return (length+2);
dflet 0:50cedd586816 805 }
dflet 0:50cedd586816 806
dflet 0:50cedd586816 807
dflet 0:50cedd586816 808 //*****************************************************************************
dflet 0:50cedd586816 809 //
dflet 0:50cedd586816 810 //! DefineHuffmanTableMarkerDC
dflet 0:50cedd586816 811 //!
dflet 0:50cedd586816 812 //! \param1 pointer to Marker buffer
dflet 0:50cedd586816 813 //! \param2 Huffman table
dflet 0:50cedd586816 814 //! \param3 Class Identifier
dflet 0:50cedd586816 815 //!
dflet 0:50cedd586816 816 //! \return Length of the marker
dflet 0:50cedd586816 817 //
dflet 0:50cedd586816 818 //*****************************************************************************
dflet 0:50cedd586816 819 static int DefineHuffmanTableMarkerDC(char *pbuf, unsigned int *htable, int class_id)
dflet 0:50cedd586816 820 {
dflet 7:a069c1750fbc 821 // Uart_Write((uint8_t*)"DefineHuffmanTableMarkerDC \n\r");
dflet 0:50cedd586816 822 int i, l, count;
dflet 0:50cedd586816 823 int length;
dflet 0:50cedd586816 824 char *plength;
dflet 0:50cedd586816 825
dflet 0:50cedd586816 826 *pbuf++= 0xFF; // define huffman table marker
dflet 0:50cedd586816 827 *pbuf++= 0xC4;
dflet 0:50cedd586816 828 plength = pbuf; // place holder for length field
dflet 0:50cedd586816 829 *pbuf++;
dflet 0:50cedd586816 830 *pbuf++;
dflet 0:50cedd586816 831 *pbuf++= class_id; // huffman table class | identifier
dflet 0:50cedd586816 832
dflet 0:50cedd586816 833 for (l = 0; l < 16; l++)
dflet 0:50cedd586816 834 {
dflet 0:50cedd586816 835 count = 0;
dflet 0:50cedd586816 836 for (i = 0; i < 12; i++)
dflet 0:50cedd586816 837 {
dflet 0:50cedd586816 838 if ((htable[i] >> 8) == l)
dflet 0:50cedd586816 839 count++;
dflet 0:50cedd586816 840 }
dflet 0:50cedd586816 841 *pbuf++= count; // number of huffman codes of length l+1
dflet 0:50cedd586816 842 }
dflet 0:50cedd586816 843
dflet 0:50cedd586816 844 length = 19;
dflet 0:50cedd586816 845 for (l = 0; l < 16; l++)
dflet 0:50cedd586816 846 {
dflet 0:50cedd586816 847 for (i = 0; i < 12; i++)
dflet 0:50cedd586816 848 {
dflet 0:50cedd586816 849 if ((htable[i] >> 8) == l)
dflet 0:50cedd586816 850 {
dflet 0:50cedd586816 851 *pbuf++= i; // HUFFVAL with huffman codes of length l+1
dflet 0:50cedd586816 852 length++;
dflet 0:50cedd586816 853 }
dflet 0:50cedd586816 854 }
dflet 0:50cedd586816 855 }
dflet 0:50cedd586816 856
dflet 0:50cedd586816 857 *plength++= length>>8; // length field
dflet 0:50cedd586816 858 *plength = length&0xFF;
dflet 0:50cedd586816 859
dflet 0:50cedd586816 860 return (length + 2);
dflet 0:50cedd586816 861 }
dflet 0:50cedd586816 862
dflet 0:50cedd586816 863
dflet 0:50cedd586816 864 //*****************************************************************************
dflet 0:50cedd586816 865 //
dflet 0:50cedd586816 866 //! DefineHuffmanTableMarkerAC
dflet 0:50cedd586816 867 //! 1. Establishes connection w/ AP//
dflet 0:50cedd586816 868 //! 2. Initializes the camera sub-components//! GPIO Enable & Configuration
dflet 0:50cedd586816 869 //! 3. Listens and processes the image capture requests from user-applications
dflet 0:50cedd586816 870 //!
dflet 0:50cedd586816 871 //! \param1 pointer to Marker buffer
dflet 0:50cedd586816 872 //! \param2 Huffman table
dflet 0:50cedd586816 873 //! \param3 Class Identifier
dflet 0:50cedd586816 874 //!
dflet 0:50cedd586816 875 //! \return Length of the Marker
dflet 0:50cedd586816 876 //!
dflet 0:50cedd586816 877 //
dflet 0:50cedd586816 878 //*****************************************************************************
dflet 0:50cedd586816 879 static int DefineHuffmanTableMarkerAC(char *pbuf, unsigned int *htable, int class_id)
dflet 0:50cedd586816 880 {
dflet 7:a069c1750fbc 881 // Uart_Write((uint8_t*)"DefineHuffmanTableMarkerAC \n\r");
dflet 0:50cedd586816 882 int i, l, a, b, count;
dflet 0:50cedd586816 883 char *plength;
dflet 0:50cedd586816 884 int length;
dflet 0:50cedd586816 885
dflet 0:50cedd586816 886 *pbuf++= 0xFF; // define huffman table marker
dflet 0:50cedd586816 887 *pbuf++= 0xC4;
dflet 0:50cedd586816 888 plength = pbuf; // place holder for length field
dflet 0:50cedd586816 889 *pbuf++;
dflet 0:50cedd586816 890 *pbuf++;
dflet 0:50cedd586816 891 *pbuf++= class_id; // huffman table class | identifier
dflet 0:50cedd586816 892
dflet 0:50cedd586816 893 for (l = 0; l < 16; l++)
dflet 0:50cedd586816 894 {
dflet 0:50cedd586816 895 count = 0;
dflet 0:50cedd586816 896 for (i = 0; i < 162; i++)
dflet 0:50cedd586816 897 {
dflet 0:50cedd586816 898 if ((htable[i] >> 8) == l)
dflet 0:50cedd586816 899 count++;
dflet 0:50cedd586816 900 }
dflet 0:50cedd586816 901
dflet 0:50cedd586816 902 *pbuf++= count; // number of huffman codes of length l+1
dflet 0:50cedd586816 903 }
dflet 0:50cedd586816 904
dflet 0:50cedd586816 905 length = 19;
dflet 0:50cedd586816 906 for (l = 0; l < 16; l++)
dflet 0:50cedd586816 907 {
dflet 0:50cedd586816 908 // check EOB: 0|0
dflet 0:50cedd586816 909 if ((htable[160] >> 8) == l)
dflet 0:50cedd586816 910 {
dflet 0:50cedd586816 911 *pbuf++= 0; // HUFFVAL with huffman codes of length l+1
dflet 0:50cedd586816 912 length++;
dflet 0:50cedd586816 913 }
dflet 0:50cedd586816 914
dflet 0:50cedd586816 915 // check HUFFVAL: 0|1 to E|A
dflet 0:50cedd586816 916 for (i = 0; i < 150; i++)
dflet 0:50cedd586816 917 {
dflet 0:50cedd586816 918 if ((htable[i] >> 8) == l)
dflet 0:50cedd586816 919 {
dflet 0:50cedd586816 920 a = i/10;
dflet 0:50cedd586816 921 b = i%10;
dflet 0:50cedd586816 922 *pbuf++= (a<<4)|(b+1); // HUFFVAL with huffman codes of length l+1
dflet 0:50cedd586816 923 length++;
dflet 0:50cedd586816 924 }
dflet 0:50cedd586816 925 }
dflet 0:50cedd586816 926
dflet 0:50cedd586816 927 // check ZRL: F|0
dflet 0:50cedd586816 928 if ((htable[161] >> 8) == l)
dflet 0:50cedd586816 929 {
dflet 0:50cedd586816 930 *pbuf++= 0xF0; // HUFFVAL with huffman codes of length l+1
dflet 0:50cedd586816 931 length++;
dflet 0:50cedd586816 932 }
dflet 0:50cedd586816 933
dflet 0:50cedd586816 934 // check HUFFVAL: F|1 to F|A
dflet 0:50cedd586816 935 for (i = 150; i < 160; i++)
dflet 0:50cedd586816 936 {
dflet 0:50cedd586816 937 if ((htable[i] >> 8) == l)
dflet 0:50cedd586816 938 {
dflet 0:50cedd586816 939 a = i/10;
dflet 0:50cedd586816 940 b = i%10;
dflet 0:50cedd586816 941 *pbuf++= (a<<4)|(b+1); // HUFFVAL with huffman codes of length l+1
dflet 0:50cedd586816 942 length++;
dflet 0:50cedd586816 943 }
dflet 0:50cedd586816 944 }
dflet 0:50cedd586816 945 }
dflet 0:50cedd586816 946
dflet 0:50cedd586816 947 *plength++= length>>8; // length field
dflet 0:50cedd586816 948 *plength = length&0xFF;
dflet 0:50cedd586816 949 return (length + 2);
dflet 0:50cedd586816 950 }
dflet 0:50cedd586816 951
dflet 0:50cedd586816 952
dflet 0:50cedd586816 953 //*****************************************************************************
dflet 0:50cedd586816 954 //
dflet 0:50cedd586816 955 //! DefineRestartIntervalMarker
dflet 0:50cedd586816 956 //!
dflet 0:50cedd586816 957 //! \param1 pointer to Marker buffer
dflet 0:50cedd586816 958 //! \param2 return interval
dflet 0:50cedd586816 959 //!
dflet 0:50cedd586816 960 //! \return Length
dflet 0:50cedd586816 961 //
dflet 0:50cedd586816 962 //*****************************************************************************
dflet 0:50cedd586816 963 static int DefineRestartIntervalMarker(char *pbuf, int ri)
dflet 0:50cedd586816 964 {
dflet 7:a069c1750fbc 965 // Uart_Write((uint8_t*)"DefineRestartIntervalMarker \n\r");
dflet 0:50cedd586816 966 *pbuf++= 0xFF; // define restart interval marker
dflet 0:50cedd586816 967 *pbuf++= 0xDD;
dflet 0:50cedd586816 968 *pbuf++= 0x00; // length
dflet 0:50cedd586816 969 *pbuf++= 0x04;
dflet 0:50cedd586816 970 *pbuf++= ri >> 8; // restart interval
dflet 0:50cedd586816 971 *pbuf++= ri & 0xFF;
dflet 0:50cedd586816 972 return 6;
dflet 0:50cedd586816 973 }
dflet 0:50cedd586816 974 //*****************************************************************************
dflet 0:50cedd586816 975 //
dflet 0:50cedd586816 976 //! CreateJpegHeader
dflet 0:50cedd586816 977 //! Create JPEG Header in JFIF format
dflet 0:50cedd586816 978 //!
dflet 0:50cedd586816 979 //! \param1 header - pointer to JPEG header buffer
dflet 0:50cedd586816 980 //! \param2 width - image width
dflet 0:50cedd586816 981 //! \param3 height - image height
dflet 0:50cedd586816 982 //! \param4 format - color format (0 = YCbCr422, 1 = YCbCr420, 2 = monochrome)
dflet 0:50cedd586816 983 //! \param5 restart_int - restart marker interval
dflet 0:50cedd586816 984 //! \param6 qscale - quantization table scaling factor
dflet 0:50cedd586816 985 //!
dflet 0:50cedd586816 986 //! \return length of JPEG header (bytes)
dflet 0:50cedd586816 987 //
dflet 0:50cedd586816 988 //*****************************************************************************
dflet 0:50cedd586816 989
dflet 0:50cedd586816 990 static int CreateJpegHeader(char *header, int width, int height,
dflet 0:50cedd586816 991 int format, int restart_int, int qscale)
dflet 0:50cedd586816 992 {
dflet 7:a069c1750fbc 993 // Uart_Write((uint8_t*)"CreateJpegHeader \n\r");
dflet 0:50cedd586816 994 char *pbuf = header;
dflet 0:50cedd586816 995 int length;
dflet 0:50cedd586816 996
dflet 0:50cedd586816 997 // SOI
dflet 0:50cedd586816 998 *pbuf++= 0xFF;
dflet 0:50cedd586816 999 *pbuf++= 0xD8;
dflet 0:50cedd586816 1000 length = 2;
dflet 0:50cedd586816 1001
dflet 0:50cedd586816 1002 // JFIF APP0
dflet 0:50cedd586816 1003 length += JfifApp0Marker(pbuf);
dflet 0:50cedd586816 1004
dflet 0:50cedd586816 1005 // Quantization Tables
dflet 0:50cedd586816 1006 pbuf = header + length;
dflet 0:50cedd586816 1007 length += DefineQuantizationTableMarker((unsigned char *)pbuf, qscale, format);
dflet 0:50cedd586816 1008
dflet 0:50cedd586816 1009 // Frame Header
dflet 0:50cedd586816 1010 pbuf = header + length;
dflet 0:50cedd586816 1011 length += FrameHeaderMarker(pbuf, width, height, format);
dflet 0:50cedd586816 1012
dflet 0:50cedd586816 1013 // Huffman Table DC 0 for Luma
dflet 0:50cedd586816 1014 pbuf = header + length;
dflet 0:50cedd586816 1015 length += DefineHuffmanTableMarkerDC(pbuf, &JPEG_StdHuffmanTbl[352], 0x00);
dflet 0:50cedd586816 1016
dflet 0:50cedd586816 1017 // Huffman Table AC 0 for Luma
dflet 0:50cedd586816 1018 pbuf = header + length;
dflet 0:50cedd586816 1019 length += DefineHuffmanTableMarkerAC(pbuf, &JPEG_StdHuffmanTbl[0], 0x10);
dflet 0:50cedd586816 1020
dflet 0:50cedd586816 1021 if (format != FORMAT_MONOCHROME)// YCbCr
dflet 0:50cedd586816 1022 {
dflet 0:50cedd586816 1023 // Huffman Table DC 1 for Chroma
dflet 0:50cedd586816 1024 pbuf = header + length;
dflet 0:50cedd586816 1025 length += DefineHuffmanTableMarkerDC(pbuf, &JPEG_StdHuffmanTbl[368], 0x01);
dflet 0:50cedd586816 1026
dflet 0:50cedd586816 1027 // Huffman Table AC 1 for Chroma
dflet 0:50cedd586816 1028 pbuf = header + length;
dflet 0:50cedd586816 1029 length += DefineHuffmanTableMarkerAC(pbuf, &JPEG_StdHuffmanTbl[176], 0x11);
dflet 0:50cedd586816 1030 }
dflet 0:50cedd586816 1031
dflet 0:50cedd586816 1032 // Restart Interval
dflet 0:50cedd586816 1033 if (restart_int > 0)
dflet 0:50cedd586816 1034 {
dflet 0:50cedd586816 1035 pbuf = header + length;
dflet 0:50cedd586816 1036 length += DefineRestartIntervalMarker(pbuf, restart_int);
dflet 0:50cedd586816 1037 }
dflet 0:50cedd586816 1038
dflet 0:50cedd586816 1039 // Scan Header
dflet 0:50cedd586816 1040 pbuf = header + length;
dflet 0:50cedd586816 1041 length += ScanHeaderMarker(pbuf, format);
dflet 0:50cedd586816 1042
dflet 0:50cedd586816 1043 return length;
dflet 0:50cedd586816 1044 }
dflet 6:37fb696395d7 1045 #endif// jpeg defined
dflet 0:50cedd586816 1046
dflet 0:50cedd586816 1047
dflet 0:50cedd586816 1048
dflet 0:50cedd586816 1049 //*****************************************************************************
dflet 0:50cedd586816 1050 //
dflet 0:50cedd586816 1051 // Close the Doxygen group.
dflet 0:50cedd586816 1052 //! @}
dflet 0:50cedd586816 1053 //
dflet 0:50cedd586816 1054 //*****************************************************************************
dflet 0:50cedd586816 1055