Omar Hagrass / Camera_LS_Y201_CANSAT

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Dependents:   CANSAT_COMBINED CANSAT_CAMERA_servo CANSAT_CAMERA2

Fork of Camera_LS_Y201 by Shinichiro Nakamura

Camera_LS_Y201.cpp@2:b3da8bab6e99, 2015-08-10 (annotated)

Committer:
Hagrass
Date:
Mon Aug 10 16:34:15 2015 +0000
Revision:
2:b3da8bab6e99
Parent:
1:43358d40f879
Child:
3:44403a8e4f44
Child:
4:39af5d486a77
Child:
6:2e14476d7164
camera

Who changed what in which revision?

UserRevisionLine numberNew contents of line
shintamainjp 0:f71232252dcf 1 /**
shintamainjp 0:f71232252dcf 2 * =============================================================================
shintamainjp 0:f71232252dcf 3 * LS-Y201 device driver class (Version 0.0.1)
shintamainjp 0:f71232252dcf 4 * Reference documents: LinkSprite JPEG Color Camera Serial UART Interface
shintamainjp 0:f71232252dcf 5 * January 2010
shintamainjp 0:f71232252dcf 6 * =============================================================================
shintamainjp 0:f71232252dcf 7 * Copyright (c) 2010 Shinichiro Nakamura (CuBeatSystems)
shintamainjp 0:f71232252dcf 8 *
shintamainjp 0:f71232252dcf 9 * Permission is hereby granted, free of charge, to any person obtaining a copy
shintamainjp 0:f71232252dcf 10 * of this software and associated documentation files (the "Software"), to deal
shintamainjp 0:f71232252dcf 11 * in the Software without restriction, including without limitation the rights
shintamainjp 0:f71232252dcf 12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
shintamainjp 0:f71232252dcf 13 * copies of the Software, and to permit persons to whom the Software is
shintamainjp 0:f71232252dcf 14 * furnished to do so, subject to the following conditions:
shintamainjp 0:f71232252dcf 15 *
shintamainjp 0:f71232252dcf 16 * The above copyright notice and this permission notice shall be included in
shintamainjp 0:f71232252dcf 17 * all copies or substantial portions of the Software.
shintamainjp 0:f71232252dcf 18 *
shintamainjp 0:f71232252dcf 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
shintamainjp 0:f71232252dcf 20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
shintamainjp 0:f71232252dcf 21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
shintamainjp 0:f71232252dcf 22 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
shintamainjp 0:f71232252dcf 23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
shintamainjp 0:f71232252dcf 24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
shintamainjp 0:f71232252dcf 25 * THE SOFTWARE.
shintamainjp 0:f71232252dcf 26 * =============================================================================
shintamainjp 0:f71232252dcf 27 */
shintamainjp 0:f71232252dcf 28
shintamainjp 0:f71232252dcf 29 #include "Camera_LS_Y201.h"
shintamainjp 0:f71232252dcf 30
shintamainjp 0:f71232252dcf 31 /**
shintamainjp 0:f71232252dcf 32 * Create.
shintamainjp 0:f71232252dcf 33 *
shintamainjp 0:f71232252dcf 34 * @param tx Transmitter.
shintamainjp 0:f71232252dcf 35 * @param rx Receiver.
shintamainjp 0:f71232252dcf 36 */
shintamainjp 0:f71232252dcf 37 Camera_LS_Y201::Camera_LS_Y201(PinName tx, PinName rx) : serial(tx, rx) {
shintamainjp 0:f71232252dcf 38 serial.baud(38400);
shintamainjp 0:f71232252dcf 39 }
shintamainjp 0:f71232252dcf 40
shintamainjp 0:f71232252dcf 41 /**
shintamainjp 0:f71232252dcf 42 * Dispose.
shintamainjp 0:f71232252dcf 43 */
shintamainjp 0:f71232252dcf 44 Camera_LS_Y201::~Camera_LS_Y201() {
shintamainjp 0:f71232252dcf 45 }
shintamainjp 0:f71232252dcf 46
shintamainjp 0:f71232252dcf 47 /**
shintamainjp 0:f71232252dcf 48 * Reset module.
shintamainjp 0:f71232252dcf 49 *
shintamainjp 0:f71232252dcf 50 * @return Error code.
shintamainjp 0:f71232252dcf 51 */
shintamainjp 0:f71232252dcf 52 Camera_LS_Y201::ErrorCode Camera_LS_Y201::reset() {
shintamainjp 0:f71232252dcf 53 uint8_t send[4] = {
shintamainjp 0:f71232252dcf 54 0x56,
shintamainjp 0:f71232252dcf 55 0x00,
shintamainjp 0:f71232252dcf 56 0x26,
shintamainjp 0:f71232252dcf 57 0x00
shintamainjp 0:f71232252dcf 58 };
shintamainjp 0:f71232252dcf 59 uint8_t recv[4];
shintamainjp 0:f71232252dcf 60
shintamainjp 0:f71232252dcf 61 waitIdle();
shintamainjp 0:f71232252dcf 62 if (!sendBytes(send, sizeof(send), 200 * 1000)) {
shintamainjp 0:f71232252dcf 63 return SendError;
shintamainjp 0:f71232252dcf 64 }
shintamainjp 0:f71232252dcf 65 if (!recvBytes(recv, sizeof(recv), 200 * 1000)) {
shintamainjp 0:f71232252dcf 66 return RecvError;
shintamainjp 0:f71232252dcf 67 }
Hagrass 2:b3da8bab6e99 68 for(int i=0;i<4;i++)
Hagrass 2:b3da8bab6e99 69 {
Hagrass 2:b3da8bab6e99 70 printf("%x\n\r",recv[i]);
Hagrass 2:b3da8bab6e99 71 }
shintamainjp 0:f71232252dcf 72 if ((recv[0] == 0x76)
shintamainjp 0:f71232252dcf 73 && (recv[1] == 0x00)
shintamainjp 0:f71232252dcf 74 && (recv[2] == 0x26)
shintamainjp 0:f71232252dcf 75 && (recv[3] == 0x00)) {
shintamainjp 0:f71232252dcf 76 ErrorCode r = waitInitEnd();
shintamainjp 0:f71232252dcf 77 if (r != NoError) {
shintamainjp 0:f71232252dcf 78 return r;
shintamainjp 0:f71232252dcf 79 }
shintamainjp 0:f71232252dcf 80 wait(4);
shintamainjp 0:f71232252dcf 81 return NoError;
shintamainjp 0:f71232252dcf 82 } else {
shintamainjp 0:f71232252dcf 83 return UnexpectedReply;
shintamainjp 0:f71232252dcf 84 }
shintamainjp 0:f71232252dcf 85 }
shintamainjp 0:f71232252dcf 86
shintamainjp 0:f71232252dcf 87 /**
shintamainjp 0:f71232252dcf 88 * Set image size.
shintamainjp 0:f71232252dcf 89 *
shintamainjp 0:f71232252dcf 90 * @param is Image size.
shintamainjp 0:f71232252dcf 91 * @return Error code.
shintamainjp 0:f71232252dcf 92 */
shintamainjp 0:f71232252dcf 93 Camera_LS_Y201::ErrorCode Camera_LS_Y201::setImageSize(ImageSize is) {
shintamainjp 0:f71232252dcf 94 uint8_t send[9] = {
shintamainjp 0:f71232252dcf 95 0x56,
shintamainjp 0:f71232252dcf 96 0x00,
shintamainjp 0:f71232252dcf 97 0x31,
shintamainjp 0:f71232252dcf 98 0x05,
shintamainjp 0:f71232252dcf 99 0x04,
shintamainjp 0:f71232252dcf 100 0x01,
shintamainjp 0:f71232252dcf 101 0x00,
shintamainjp 0:f71232252dcf 102 0x19,
shintamainjp 0:f71232252dcf 103 0x00 // 0x11:320x240, 0x00:640x480, 0x22:160x120
shintamainjp 0:f71232252dcf 104 };
shintamainjp 0:f71232252dcf 105 uint8_t recv[5];
shintamainjp 0:f71232252dcf 106 switch (is) {
shintamainjp 0:f71232252dcf 107 case ImageSize160x120:
shintamainjp 0:f71232252dcf 108 send[8] = 0x22;
shintamainjp 0:f71232252dcf 109 break;
shintamainjp 0:f71232252dcf 110 case ImageSize320x280:
shintamainjp 0:f71232252dcf 111 send[8] = 0x11;
shintamainjp 0:f71232252dcf 112 break;
shintamainjp 0:f71232252dcf 113 case ImageSize640x480:
shintamainjp 0:f71232252dcf 114 send[8] = 0x00;
shintamainjp 0:f71232252dcf 115 break;
shintamainjp 0:f71232252dcf 116 default:
shintamainjp 0:f71232252dcf 117 return InvalidArguments;
shintamainjp 0:f71232252dcf 118 }
shintamainjp 0:f71232252dcf 119 if (!sendBytes(send, sizeof(send), 200 * 1000)) {
shintamainjp 0:f71232252dcf 120 return SendError;
shintamainjp 0:f71232252dcf 121 }
shintamainjp 0:f71232252dcf 122 if (!recvBytes(recv, sizeof(recv), 200 * 1000)) {
shintamainjp 0:f71232252dcf 123 return RecvError;
shintamainjp 0:f71232252dcf 124 }
shintamainjp 0:f71232252dcf 125 if ((recv[0] == 0x76)
shintamainjp 0:f71232252dcf 126 && (recv[1] == 0x00)
shintamainjp 0:f71232252dcf 127 && (recv[2] == 0x31)
shintamainjp 0:f71232252dcf 128 && (recv[3] == 0x00)
shintamainjp 0:f71232252dcf 129 && (recv[4] == 0x00)) {
shintamainjp 0:f71232252dcf 130 wait(1);
shintamainjp 0:f71232252dcf 131 return reset();
shintamainjp 0:f71232252dcf 132 } else {
shintamainjp 0:f71232252dcf 133 return UnexpectedReply;
shintamainjp 0:f71232252dcf 134 }
shintamainjp 0:f71232252dcf 135 }
shintamainjp 0:f71232252dcf 136
shintamainjp 0:f71232252dcf 137 /**
shintamainjp 0:f71232252dcf 138 * Take picture.
shintamainjp 0:f71232252dcf 139 *
shintamainjp 0:f71232252dcf 140 * @return Error code.
shintamainjp 0:f71232252dcf 141 */
shintamainjp 0:f71232252dcf 142 Camera_LS_Y201::ErrorCode Camera_LS_Y201::takePicture() {
shintamainjp 0:f71232252dcf 143 uint8_t send[5] = {
shintamainjp 0:f71232252dcf 144 0x56,
shintamainjp 0:f71232252dcf 145 0x00,
shintamainjp 0:f71232252dcf 146 0x36,
shintamainjp 0:f71232252dcf 147 0x01,
shintamainjp 0:f71232252dcf 148 0x00
shintamainjp 0:f71232252dcf 149 };
shintamainjp 0:f71232252dcf 150 uint8_t recv[5];
shintamainjp 0:f71232252dcf 151
shintamainjp 0:f71232252dcf 152 if (!sendBytes(send, sizeof(send), 200 * 1000)) {
shintamainjp 0:f71232252dcf 153 return SendError;
shintamainjp 0:f71232252dcf 154 }
shintamainjp 0:f71232252dcf 155 if (!recvBytes(recv, sizeof(recv), 200 * 1000)) {
shintamainjp 0:f71232252dcf 156 return RecvError;
shintamainjp 0:f71232252dcf 157 }
shintamainjp 0:f71232252dcf 158
shintamainjp 0:f71232252dcf 159 if ((recv[0] == 0x76)
shintamainjp 0:f71232252dcf 160 && (recv[1] == 0x00)
shintamainjp 0:f71232252dcf 161 && (recv[2] == 0x36)
shintamainjp 0:f71232252dcf 162 && (recv[3] == 0x00)
shintamainjp 0:f71232252dcf 163 && (recv[4] == 0x00)) {
shintamainjp 1:43358d40f879 164 /*
shintamainjp 1:43358d40f879 165 * I think the camera need a time for operating.
shintamainjp 1:43358d40f879 166 * But there is no any comments on the documents.
shintamainjp 1:43358d40f879 167 */
shintamainjp 1:43358d40f879 168 wait_ms(100);
shintamainjp 0:f71232252dcf 169 return NoError;
shintamainjp 0:f71232252dcf 170 } else {
shintamainjp 0:f71232252dcf 171 return UnexpectedReply;
shintamainjp 0:f71232252dcf 172 }
shintamainjp 0:f71232252dcf 173 }
shintamainjp 0:f71232252dcf 174
shintamainjp 0:f71232252dcf 175 /**
shintamainjp 0:f71232252dcf 176 * Read jpeg file size.
shintamainjp 0:f71232252dcf 177 *
shintamainjp 0:f71232252dcf 178 * @param fileSize File size.
shintamainjp 0:f71232252dcf 179 * @return Error code.
shintamainjp 0:f71232252dcf 180 */
shintamainjp 0:f71232252dcf 181 Camera_LS_Y201::ErrorCode Camera_LS_Y201::readJpegFileSize(int *fileSize) {
shintamainjp 0:f71232252dcf 182 uint8_t send[5] = {
shintamainjp 0:f71232252dcf 183 0x56,
shintamainjp 0:f71232252dcf 184 0x00,
shintamainjp 0:f71232252dcf 185 0x34,
shintamainjp 0:f71232252dcf 186 0x01,
shintamainjp 0:f71232252dcf 187 0x00
shintamainjp 0:f71232252dcf 188 };
shintamainjp 0:f71232252dcf 189 uint8_t recv[9];
shintamainjp 0:f71232252dcf 190
shintamainjp 0:f71232252dcf 191 if (!sendBytes(send, sizeof(send), 200 * 1000)) {
shintamainjp 0:f71232252dcf 192 return SendError;
shintamainjp 0:f71232252dcf 193 }
shintamainjp 0:f71232252dcf 194 if (!recvBytes(recv, sizeof(recv), 200 * 1000)) {
shintamainjp 0:f71232252dcf 195 return RecvError;
shintamainjp 0:f71232252dcf 196 }
shintamainjp 0:f71232252dcf 197
shintamainjp 0:f71232252dcf 198 if ((recv[0] == 0x76)
shintamainjp 0:f71232252dcf 199 && (recv[1] == 0x00)
shintamainjp 0:f71232252dcf 200 && (recv[2] == 0x34)
shintamainjp 0:f71232252dcf 201 && (recv[3] == 0x00)
shintamainjp 0:f71232252dcf 202 && (recv[4] == 0x04)
shintamainjp 0:f71232252dcf 203 && (recv[5] == 0x00)
shintamainjp 0:f71232252dcf 204 && (recv[6] == 0x00)) {
shintamainjp 0:f71232252dcf 205 *fileSize = ((recv[7] & 0x00ff) << 8)
shintamainjp 0:f71232252dcf 206 | ((recv[8] & 0x00ff) << 0);
shintamainjp 0:f71232252dcf 207 return NoError;
shintamainjp 0:f71232252dcf 208 } else {
shintamainjp 0:f71232252dcf 209 return UnexpectedReply;
shintamainjp 0:f71232252dcf 210 }
shintamainjp 0:f71232252dcf 211 }
shintamainjp 0:f71232252dcf 212
shintamainjp 0:f71232252dcf 213 /**
shintamainjp 0:f71232252dcf 214 * Read jpeg file content.
shintamainjp 0:f71232252dcf 215 *
shintamainjp 0:f71232252dcf 216 * @param func A pointer to a call back function.
shintamainjp 0:f71232252dcf 217 * @return Error code.
shintamainjp 0:f71232252dcf 218 */
shintamainjp 1:43358d40f879 219 Camera_LS_Y201::ErrorCode Camera_LS_Y201::readJpegFileContent(void (*func)(int done, int total, uint8_t *buf, size_t siz)) {
shintamainjp 0:f71232252dcf 220 uint8_t send[16] = {
shintamainjp 0:f71232252dcf 221 0x56,
shintamainjp 0:f71232252dcf 222 0x00,
shintamainjp 0:f71232252dcf 223 0x32,
shintamainjp 0:f71232252dcf 224 0x0C,
shintamainjp 0:f71232252dcf 225 0x00,
shintamainjp 0:f71232252dcf 226 0x0A,
shintamainjp 0:f71232252dcf 227 0x00,
shintamainjp 0:f71232252dcf 228 0x00,
shintamainjp 0:f71232252dcf 229 0x00, // MH
shintamainjp 0:f71232252dcf 230 0x00, // ML
shintamainjp 0:f71232252dcf 231 0x00,
shintamainjp 0:f71232252dcf 232 0x00,
shintamainjp 0:f71232252dcf 233 0x00, // KH
shintamainjp 0:f71232252dcf 234 0x00, // KL
shintamainjp 0:f71232252dcf 235 0x00, // XX
shintamainjp 0:f71232252dcf 236 0x00 // XX
shintamainjp 0:f71232252dcf 237 };
shintamainjp 0:f71232252dcf 238 uint8_t body[32];
shintamainjp 0:f71232252dcf 239 uint16_t m = 0; // Staring address.
shintamainjp 0:f71232252dcf 240 uint16_t k = sizeof(body); // Packet size.
shintamainjp 0:f71232252dcf 241 uint16_t x = 10; // Interval time. XX XX * 0.01m[sec]
shintamainjp 0:f71232252dcf 242 bool end = false;
shintamainjp 1:43358d40f879 243
shintamainjp 1:43358d40f879 244 /*
shintamainjp 1:43358d40f879 245 * Get the data size.
shintamainjp 1:43358d40f879 246 */
shintamainjp 1:43358d40f879 247 int siz_done = 0;
shintamainjp 1:43358d40f879 248 int siz_total = 0;
shintamainjp 1:43358d40f879 249 ErrorCode r = readJpegFileSize(&siz_total);
shintamainjp 1:43358d40f879 250 if (r != NoError) {
shintamainjp 1:43358d40f879 251 return r;
shintamainjp 1:43358d40f879 252 }
shintamainjp 1:43358d40f879 253
shintamainjp 0:f71232252dcf 254 do {
shintamainjp 0:f71232252dcf 255 send[8] = (m >> 8) & 0xff;
shintamainjp 0:f71232252dcf 256 send[9] = (m >> 0) & 0xff;
shintamainjp 0:f71232252dcf 257 send[12] = (k >> 8) & 0xff;
shintamainjp 0:f71232252dcf 258 send[13] = (k >> 0) & 0xff;
shintamainjp 0:f71232252dcf 259 send[14] = (x >> 8) & 0xff;
shintamainjp 0:f71232252dcf 260 send[15] = (x >> 0) & 0xff;
shintamainjp 0:f71232252dcf 261 /*
shintamainjp 0:f71232252dcf 262 * Send a command.
shintamainjp 0:f71232252dcf 263 */
shintamainjp 0:f71232252dcf 264 if (!sendBytes(send, sizeof(send), 200 * 1000)) {
shintamainjp 0:f71232252dcf 265 return SendError;
shintamainjp 0:f71232252dcf 266 }
shintamainjp 0:f71232252dcf 267 /*
shintamainjp 0:f71232252dcf 268 * Read the header of the response.
shintamainjp 0:f71232252dcf 269 */
shintamainjp 0:f71232252dcf 270 uint8_t header[5];
shintamainjp 0:f71232252dcf 271 if (!recvBytes(header, sizeof(header), 2 * 1000 * 1000)) {
shintamainjp 0:f71232252dcf 272 return RecvError;
shintamainjp 0:f71232252dcf 273 }
shintamainjp 0:f71232252dcf 274 /*
shintamainjp 0:f71232252dcf 275 * Check the response and fetch an image data.
shintamainjp 0:f71232252dcf 276 */
shintamainjp 0:f71232252dcf 277 if ((header[0] == 0x76)
shintamainjp 0:f71232252dcf 278 && (header[1] == 0x00)
shintamainjp 0:f71232252dcf 279 && (header[2] == 0x32)
shintamainjp 0:f71232252dcf 280 && (header[3] == 0x00)
shintamainjp 0:f71232252dcf 281 && (header[4] == 0x00)) {
shintamainjp 0:f71232252dcf 282 if (!recvBytes(body, sizeof(body), 2 * 1000 * 1000)) {
shintamainjp 0:f71232252dcf 283 return RecvError;
shintamainjp 0:f71232252dcf 284 }
shintamainjp 1:43358d40f879 285 siz_done += sizeof(body);
shintamainjp 0:f71232252dcf 286 if (func != NULL) {
shintamainjp 1:43358d40f879 287 if (siz_done > siz_total) {
shintamainjp 1:43358d40f879 288 siz_done = siz_total;
shintamainjp 1:43358d40f879 289 }
shintamainjp 1:43358d40f879 290 func(siz_done, siz_total, body, sizeof(body));
shintamainjp 0:f71232252dcf 291 }
shintamainjp 0:f71232252dcf 292 for (int i = 1; i < sizeof(body); i++) {
shintamainjp 0:f71232252dcf 293 if ((body[i - 1] == 0xFF) && (body[i - 0] == 0xD9)) {
shintamainjp 0:f71232252dcf 294 end = true;
shintamainjp 0:f71232252dcf 295 }
shintamainjp 0:f71232252dcf 296 }
shintamainjp 0:f71232252dcf 297 } else {
shintamainjp 0:f71232252dcf 298 return UnexpectedReply;
shintamainjp 0:f71232252dcf 299 }
shintamainjp 0:f71232252dcf 300 /*
shintamainjp 0:f71232252dcf 301 * Read the footer of the response.
shintamainjp 0:f71232252dcf 302 */
shintamainjp 0:f71232252dcf 303 uint8_t footer[5];
shintamainjp 0:f71232252dcf 304 if (!recvBytes(footer, sizeof(footer), 2 * 1000 * 1000)) {
shintamainjp 0:f71232252dcf 305 return RecvError;
shintamainjp 0:f71232252dcf 306 }
shintamainjp 0:f71232252dcf 307
shintamainjp 0:f71232252dcf 308 m += sizeof(body);
shintamainjp 0:f71232252dcf 309 } while (!end);
shintamainjp 0:f71232252dcf 310 return NoError;
shintamainjp 0:f71232252dcf 311 }
shintamainjp 0:f71232252dcf 312
shintamainjp 0:f71232252dcf 313 /**
shintamainjp 0:f71232252dcf 314 * Stop taking pictures.
shintamainjp 0:f71232252dcf 315 *
shintamainjp 0:f71232252dcf 316 * @return Error code.
shintamainjp 0:f71232252dcf 317 */
shintamainjp 0:f71232252dcf 318 Camera_LS_Y201::ErrorCode Camera_LS_Y201::stopTakingPictures() {
shintamainjp 0:f71232252dcf 319 uint8_t send[5] = {
shintamainjp 0:f71232252dcf 320 0x56,
shintamainjp 0:f71232252dcf 321 0x00,
shintamainjp 0:f71232252dcf 322 0x36,
shintamainjp 0:f71232252dcf 323 0x01,
shintamainjp 0:f71232252dcf 324 0x03
shintamainjp 0:f71232252dcf 325 };
shintamainjp 0:f71232252dcf 326 uint8_t recv[5];
shintamainjp 0:f71232252dcf 327
shintamainjp 0:f71232252dcf 328 if (!sendBytes(send, sizeof(send), 200 * 1000)) {
shintamainjp 0:f71232252dcf 329 return SendError;
shintamainjp 0:f71232252dcf 330 }
shintamainjp 0:f71232252dcf 331 if (!recvBytes(recv, sizeof(recv), 200 * 1000)) {
shintamainjp 0:f71232252dcf 332 return RecvError;
shintamainjp 0:f71232252dcf 333 }
shintamainjp 0:f71232252dcf 334
shintamainjp 0:f71232252dcf 335 if ((recv[0] == 0x76)
shintamainjp 0:f71232252dcf 336 && (recv[1] == 0x00)
shintamainjp 0:f71232252dcf 337 && (recv[2] == 0x36)
shintamainjp 0:f71232252dcf 338 && (recv[3] == 0x00)
shintamainjp 0:f71232252dcf 339 && (recv[4] == 0x00)) {
shintamainjp 1:43358d40f879 340 /*
shintamainjp 1:43358d40f879 341 * I think the camera need a time for operating.
shintamainjp 1:43358d40f879 342 * But there is no any comments on the documents.
shintamainjp 1:43358d40f879 343 */
shintamainjp 1:43358d40f879 344 wait_ms(100);
shintamainjp 0:f71232252dcf 345 return NoError;
shintamainjp 0:f71232252dcf 346 } else {
shintamainjp 0:f71232252dcf 347 return UnexpectedReply;
shintamainjp 0:f71232252dcf 348 }
shintamainjp 0:f71232252dcf 349 }
shintamainjp 0:f71232252dcf 350
shintamainjp 0:f71232252dcf 351 /**
shintamainjp 0:f71232252dcf 352 * Wait init end codes.
shintamainjp 0:f71232252dcf 353 *
shintamainjp 0:f71232252dcf 354 * @return True if the data sended.
shintamainjp 0:f71232252dcf 355 */
shintamainjp 0:f71232252dcf 356 Camera_LS_Y201::ErrorCode Camera_LS_Y201::waitInitEnd() {
shintamainjp 0:f71232252dcf 357 static const char *PWR_ON_MSG = "Init end\x0d\x0a";
shintamainjp 0:f71232252dcf 358 for (int i = 0; i < strlen(PWR_ON_MSG); i++) {
shintamainjp 0:f71232252dcf 359 static const int MAXCNT = 128;
shintamainjp 0:f71232252dcf 360 int cnt = 0;
shintamainjp 0:f71232252dcf 361 uint8_t c = 0x00;
shintamainjp 0:f71232252dcf 362 do {
shintamainjp 0:f71232252dcf 363 if (!recvBytes(&c, sizeof(c), 500 * 1000)) {
shintamainjp 0:f71232252dcf 364 return Timeout;
shintamainjp 0:f71232252dcf 365 }
shintamainjp 0:f71232252dcf 366
shintamainjp 0:f71232252dcf 367 /*
shintamainjp 0:f71232252dcf 368 * What is the version of the camera.
shintamainjp 0:f71232252dcf 369 * You can check the version with this code.
shintamainjp 0:f71232252dcf 370 *
shintamainjp 0:f71232252dcf 371 * VC0703 1.00
shintamainjp 0:f71232252dcf 372 * 3o ctrl in
shintamainjp 0:f71232252dcf 373 * Init end
shintamainjp 0:f71232252dcf 374 */
shintamainjp 0:f71232252dcf 375 #if 0
shintamainjp 0:f71232252dcf 376 printf("%c", c);
shintamainjp 0:f71232252dcf 377 #endif
shintamainjp 0:f71232252dcf 378
shintamainjp 0:f71232252dcf 379 cnt++;
shintamainjp 0:f71232252dcf 380 if (MAXCNT < cnt) {
shintamainjp 0:f71232252dcf 381 return UnexpectedReply;
shintamainjp 0:f71232252dcf 382 }
shintamainjp 0:f71232252dcf 383 } while (c != PWR_ON_MSG[i]);
shintamainjp 0:f71232252dcf 384 }
shintamainjp 0:f71232252dcf 385 return NoError;
shintamainjp 0:f71232252dcf 386 }
shintamainjp 0:f71232252dcf 387
shintamainjp 0:f71232252dcf 388 /**
shintamainjp 0:f71232252dcf 389 * Send bytes to camera module.
shintamainjp 0:f71232252dcf 390 *
shintamainjp 0:f71232252dcf 391 * @param buf Pointer to the data buffer.
shintamainjp 0:f71232252dcf 392 * @param len Length of the data buffer.
shintamainjp 0:f71232252dcf 393 *
shintamainjp 0:f71232252dcf 394 * @return True if the data sended.
shintamainjp 0:f71232252dcf 395 */
shintamainjp 0:f71232252dcf 396 bool Camera_LS_Y201::sendBytes(uint8_t *buf, size_t len, int timeout_us) {
shintamainjp 0:f71232252dcf 397 for (uint32_t i = 0; i < (uint32_t)len; i++) {
shintamainjp 0:f71232252dcf 398 int cnt = 0;
shintamainjp 0:f71232252dcf 399 while (!serial.writeable()) {
shintamainjp 0:f71232252dcf 400 wait_us(1);
shintamainjp 0:f71232252dcf 401 cnt++;
shintamainjp 0:f71232252dcf 402 if (timeout_us < cnt) {
shintamainjp 0:f71232252dcf 403 return false;
shintamainjp 0:f71232252dcf 404 }
shintamainjp 0:f71232252dcf 405 }
shintamainjp 0:f71232252dcf 406 serial.putc(buf[i]);
shintamainjp 0:f71232252dcf 407 }
shintamainjp 0:f71232252dcf 408 return true;
shintamainjp 0:f71232252dcf 409 }
shintamainjp 0:f71232252dcf 410
shintamainjp 0:f71232252dcf 411 /**
shintamainjp 0:f71232252dcf 412 * Receive bytes from camera module.
shintamainjp 0:f71232252dcf 413 *
shintamainjp 0:f71232252dcf 414 * @param buf Pointer to the data buffer.
shintamainjp 0:f71232252dcf 415 * @param len Length of the data buffer.
shintamainjp 0:f71232252dcf 416 *
shintamainjp 0:f71232252dcf 417 * @return True if the data received.
shintamainjp 0:f71232252dcf 418 */
shintamainjp 0:f71232252dcf 419 bool Camera_LS_Y201::recvBytes(uint8_t *buf, size_t len, int timeout_us) {
shintamainjp 0:f71232252dcf 420 for (uint32_t i = 0; i < (uint32_t)len; i++) {
shintamainjp 0:f71232252dcf 421 int cnt = 0;
shintamainjp 0:f71232252dcf 422 while (!serial.readable()) {
shintamainjp 0:f71232252dcf 423 wait_us(1);
shintamainjp 0:f71232252dcf 424 cnt++;
shintamainjp 0:f71232252dcf 425 if (timeout_us < cnt) {
shintamainjp 0:f71232252dcf 426 return false;
shintamainjp 0:f71232252dcf 427 }
shintamainjp 0:f71232252dcf 428 }
shintamainjp 0:f71232252dcf 429 buf[i] = serial.getc();
shintamainjp 0:f71232252dcf 430 }
shintamainjp 0:f71232252dcf 431 return true;
shintamainjp 0:f71232252dcf 432 }
shintamainjp 0:f71232252dcf 433
shintamainjp 0:f71232252dcf 434 /**
shintamainjp 0:f71232252dcf 435 * Wait received.
shintamainjp 0:f71232252dcf 436 *
shintamainjp 0:f71232252dcf 437 * @return True if the data received.
shintamainjp 0:f71232252dcf 438 */
shintamainjp 0:f71232252dcf 439 bool Camera_LS_Y201::waitRecv() {
shintamainjp 0:f71232252dcf 440 while (!serial.readable()) {
shintamainjp 0:f71232252dcf 441 }
shintamainjp 0:f71232252dcf 442 return true;
shintamainjp 0:f71232252dcf 443 }
shintamainjp 0:f71232252dcf 444
shintamainjp 0:f71232252dcf 445 /**
shintamainjp 0:f71232252dcf 446 * Wait idle state.
shintamainjp 0:f71232252dcf 447 */
shintamainjp 0:f71232252dcf 448 bool Camera_LS_Y201::waitIdle() {
shintamainjp 0:f71232252dcf 449 while (serial.readable()) {
shintamainjp 0:f71232252dcf 450 serial.getc();
shintamainjp 0:f71232252dcf 451 }
shintamainjp 0:f71232252dcf 452 return true;
shintamainjp 0:f71232252dcf 453 }