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

Committer:
dflet
Date:
Tue Jul 07 22:56:31 2015 +0000
Revision:
11:404bd8bb7fa6
Parent:
10:f2447c682c0f
Child:
12:7d75ba5deed1
WIP commit 12

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