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ov9655.c
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00001 /** 00002 ****************************************************************************** 00003 * @file ov9655.c 00004 * @author MCD Application Team 00005 * @version V1.0.0 00006 * @date 25-June-2015 00007 * @brief This file provides the OV9655 camera driver 00008 ****************************************************************************** 00009 * @attention 00010 * 00011 * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> 00012 * 00013 * Redistribution and use in source and binary forms, with or without modification, 00014 * are permitted provided that the following conditions are met: 00015 * 1. Redistributions of source code must retain the above copyright notice, 00016 * this list of conditions and the following disclaimer. 00017 * 2. Redistributions in binary form must reproduce the above copyright notice, 00018 * this list of conditions and the following disclaimer in the documentation 00019 * and/or other materials provided with the distribution. 00020 * 3. Neither the name of STMicroelectronics nor the names of its contributors 00021 * may be used to endorse or promote products derived from this software 00022 * without specific prior written permission. 00023 * 00024 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00025 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00026 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00027 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 00028 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00029 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 00030 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00031 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00032 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00033 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00034 * 00035 ****************************************************************************** 00036 */ 00037 00038 /* Includes ------------------------------------------------------------------*/ 00039 #include "ov9655.h" 00040 00041 /** @addtogroup BSP 00042 * @{ 00043 */ 00044 00045 /** @addtogroup Components 00046 * @{ 00047 */ 00048 00049 /** @addtogroup OV9655 00050 * @brief This file provides a set of functions needed to drive the 00051 * OV9655 Camera module. 00052 * @{ 00053 */ 00054 00055 /** @defgroup OV9655_Private_TypesDefinitions 00056 * @{ 00057 */ 00058 00059 /** 00060 * @} 00061 */ 00062 00063 /** @defgroup OV9655_Private_Defines 00064 * @{ 00065 */ 00066 00067 /** 00068 * @} 00069 */ 00070 00071 /** @defgroup OV9655_Private_Macros 00072 * @{ 00073 */ 00074 00075 /** 00076 * @} 00077 */ 00078 00079 /** @defgroup OV9655_Private_FunctionPrototypes 00080 * @{ 00081 */ 00082 static uint64_t ov9655_ConvertValue(uint32_t feature, uint32_t value); 00083 /** 00084 * @} 00085 */ 00086 00087 /** @defgroup OV9655_Private_Variables 00088 * @{ 00089 */ 00090 00091 CAMERA_DrvTypeDef ov9655_drv = 00092 { 00093 ov9655_Init, 00094 ov9655_ReadID, 00095 ov9655_Config, 00096 }; 00097 00098 /* Initialization sequence for VGA resolution (640x480)*/ 00099 const unsigned char OV9655_VGA[][2]= 00100 { 00101 {0x00, 0x00}, 00102 {0x01, 0x80}, 00103 {0x02, 0x80}, 00104 {0xb5, 0x00}, 00105 {0x35, 0x00}, 00106 {0xa8, 0xc1}, 00107 {0x3a, 0xcc}, 00108 {0x3d, 0x99}, 00109 {0x77, 0x02}, 00110 {0x13, 0xe7}, 00111 {0x26, 0x72}, 00112 {0x27, 0x08}, 00113 {0x28, 0x08}, 00114 {0x2c, 0x08}, 00115 {0xab, 0x04}, 00116 {0x6e, 0x00}, 00117 {0x6d, 0x55}, 00118 {0x00, 0x11}, 00119 {0x10, 0x7b}, 00120 {0xbb, 0xae}, 00121 {0x11, 0x03}, 00122 {0x72, 0x00}, 00123 {0x3e, 0x0c}, 00124 {0x74, 0x3a}, 00125 {0x76, 0x01}, 00126 {0x75, 0x35}, 00127 {0x73, 0x00}, 00128 {0xc7, 0x80}, 00129 {0x62, 0x00}, 00130 {0x63, 0x00}, 00131 {0x64, 0x02}, 00132 {0x65, 0x20}, 00133 {0x66, 0x01}, 00134 {0xc3, 0x4e}, 00135 {0x33, 0x00}, 00136 {0xa4, 0x50}, 00137 {0xaa, 0x92}, 00138 {0xc2, 0x01}, 00139 {0xc1, 0xc8}, 00140 {0x1e, 0x04}, 00141 {0xa9, 0xef}, 00142 {0x0e, 0x61}, 00143 {0x39, 0x57}, 00144 {0x0f, 0x48}, 00145 {0x24, 0x3c}, 00146 {0x25, 0x36}, 00147 {0x12, 0x63}, 00148 {0x03, 0x12}, 00149 {0x32, 0xff}, 00150 {0x17, 0x16}, 00151 {0x18, 0x02}, 00152 {0x19, 0x01}, 00153 {0x1a, 0x3d}, 00154 {0x36, 0xfa}, 00155 {0x69, 0x0a}, 00156 {0x8c, 0x8d}, 00157 {0xc0, 0xaa}, 00158 {0x40, 0xd0}, 00159 {0x43, 0x14}, 00160 {0x44, 0xf0}, 00161 {0x45, 0x46}, 00162 {0x46, 0x62}, 00163 {0x47, 0x2a}, 00164 {0x48, 0x3c}, 00165 {0x59, 0x85}, 00166 {0x5a, 0xa9}, 00167 {0x5b, 0x64}, 00168 {0x5c, 0x84}, 00169 {0x5d, 0x53}, 00170 {0x5e, 0x0e}, 00171 {0x6c, 0x0c}, 00172 {0xc6, 0x85}, 00173 {0xcb, 0xf0}, 00174 {0xcc, 0xd8}, 00175 {0x71, 0x78}, 00176 {0xa5, 0x68}, 00177 {0x6f, 0x9e}, 00178 {0x42, 0xc0}, 00179 {0x3f, 0x82}, 00180 {0x8a, 0x23}, 00181 {0x14, 0x3a}, 00182 {0x3b, 0xcc}, 00183 {0x34, 0x3d}, 00184 {0x41, 0x40}, 00185 {0xc9, 0xe0}, 00186 {0xca, 0xe8}, 00187 {0xcd, 0x93}, 00188 {0x7a, 0x20}, 00189 {0x7b, 0x1c}, 00190 {0x7c, 0x28}, 00191 {0x7d, 0x3c}, 00192 {0x7e, 0x5a}, 00193 {0x7f, 0x68}, 00194 {0x80, 0x76}, 00195 {0x81, 0x80}, 00196 {0x82, 0x88}, 00197 {0x83, 0x8f}, 00198 {0x84, 0x96}, 00199 {0x85, 0xa3}, 00200 {0x86, 0xaf}, 00201 {0x87, 0xc4}, 00202 {0x88, 0xd7}, 00203 {0x89, 0xe8}, 00204 {0x4f, 0x98}, 00205 {0x50, 0x98}, 00206 {0x51, 0x00}, 00207 {0x52, 0x28}, 00208 {0x53, 0x70}, 00209 {0x54, 0x98}, 00210 {0x58, 0x1a}, 00211 {0x6b, 0x5a}, 00212 {0x90, 0x92}, 00213 {0x91, 0x92}, 00214 {0x9f, 0x90}, 00215 {0xa0, 0x90}, 00216 {0x16, 0x24}, 00217 {0x2a, 0x00}, 00218 {0x2b, 0x00}, 00219 {0xac, 0x80}, 00220 {0xad, 0x80}, 00221 {0xae, 0x80}, 00222 {0xaf, 0x80}, 00223 {0xb2, 0xf2}, 00224 {0xb3, 0x20}, 00225 {0xb4, 0x20}, 00226 {0xb6, 0xaf}, 00227 {0x29, 0x15}, 00228 {0x9d, 0x02}, 00229 {0x9e, 0x02}, 00230 {0x9e, 0x02}, 00231 {0x04, 0x03}, 00232 {0x05, 0x2e}, 00233 {0x06, 0x2e}, 00234 {0x07, 0x2e}, 00235 {0x08, 0x2e}, 00236 {0x2f, 0x2e}, 00237 {0x4a, 0xe9}, 00238 {0x4b, 0xdd}, 00239 {0x4c, 0xdd}, 00240 {0x4d, 0xdd}, 00241 {0x4e, 0xdd}, 00242 {0x70, 0x06}, 00243 {0xa6, 0x40}, 00244 {0xbc, 0x02}, 00245 {0xbd, 0x01}, 00246 {0xbe, 0x02}, 00247 {0xbf, 0x01}, 00248 }; 00249 00250 /* Initialization sequence for QVGA resolution (320x240) */ 00251 const unsigned char OV9655_QVGA[][2]= 00252 { 00253 {0x00, 0x00}, 00254 {0x01, 0x80}, 00255 {0x02, 0x80}, 00256 {0x03, 0x02}, 00257 {0x04, 0x03}, 00258 {0x09, 0x01}, 00259 {0x0b, 0x57}, 00260 {0x0e, 0x61}, 00261 {0x0f, 0x40}, 00262 {0x11, 0x01}, 00263 {0x12, 0x62}, 00264 {0x13, 0xc7}, 00265 {0x14, 0x3a}, 00266 {0x16, 0x24}, 00267 {0x17, 0x18}, 00268 {0x18, 0x04}, 00269 {0x19, 0x01}, 00270 {0x1a, 0x81}, 00271 {0x1e, 0x00}, 00272 {0x24, 0x3c}, 00273 {0x25, 0x36}, 00274 {0x26, 0x72}, 00275 {0x27, 0x08}, 00276 {0x28, 0x08}, 00277 {0x29, 0x15}, 00278 {0x2a, 0x00}, 00279 {0x2b, 0x00}, 00280 {0x2c, 0x08}, 00281 {0x32, 0x12}, 00282 {0x33, 0x00}, 00283 {0x34, 0x3f}, 00284 {0x35, 0x00}, 00285 {0x36, 0x3a}, 00286 {0x38, 0x72}, 00287 {0x39, 0x57}, 00288 {0x3a, 0xcc}, 00289 {0x3b, 0x04}, 00290 {0x3d, 0x99}, 00291 {0x3e, 0x02}, 00292 {0x3f, 0xc1}, 00293 {0x40, 0xc0}, 00294 {0x41, 0x41}, 00295 {0x42, 0xc0}, 00296 {0x43, 0x0a}, 00297 {0x44, 0xf0}, 00298 {0x45, 0x46}, 00299 {0x46, 0x62}, 00300 {0x47, 0x2a}, 00301 {0x48, 0x3c}, 00302 {0x4a, 0xfc}, 00303 {0x4b, 0xfc}, 00304 {0x4c, 0x7f}, 00305 {0x4d, 0x7f}, 00306 {0x4e, 0x7f}, 00307 {0x4f, 0x98}, 00308 {0x50, 0x98}, 00309 {0x51, 0x00}, 00310 {0x52, 0x28}, 00311 {0x53, 0x70}, 00312 {0x54, 0x98}, 00313 {0x58, 0x1a}, 00314 {0x59, 0x85}, 00315 {0x5a, 0xa9}, 00316 {0x5b, 0x64}, 00317 {0x5c, 0x84}, 00318 {0x5d, 0x53}, 00319 {0x5e, 0x0e}, 00320 {0x5f, 0xf0}, 00321 {0x60, 0xf0}, 00322 {0x61, 0xf0}, 00323 {0x62, 0x00}, 00324 {0x63, 0x00}, 00325 {0x64, 0x02}, 00326 {0x65, 0x20}, 00327 {0x66, 0x00}, 00328 {0x69, 0x0a}, 00329 {0x6b, 0x5a}, 00330 {0x6c, 0x04}, 00331 {0x6d, 0x55}, 00332 {0x6e, 0x00}, 00333 {0x6f, 0x9d}, 00334 {0x70, 0x21}, 00335 {0x71, 0x78}, 00336 {0x72, 0x11}, 00337 {0x73, 0x01}, 00338 {0x74, 0x10}, 00339 {0x75, 0x10}, 00340 {0x76, 0x01}, 00341 {0x77, 0x02}, 00342 {0x7A, 0x12}, 00343 {0x7B, 0x08}, 00344 {0x7C, 0x16}, 00345 {0x7D, 0x30}, 00346 {0x7E, 0x5e}, 00347 {0x7F, 0x72}, 00348 {0x80, 0x82}, 00349 {0x81, 0x8e}, 00350 {0x82, 0x9a}, 00351 {0x83, 0xa4}, 00352 {0x84, 0xac}, 00353 {0x85, 0xb8}, 00354 {0x86, 0xc3}, 00355 {0x87, 0xd6}, 00356 {0x88, 0xe6}, 00357 {0x89, 0xf2}, 00358 {0x8a, 0x24}, 00359 {0x8c, 0x80}, 00360 {0x90, 0x7d}, 00361 {0x91, 0x7b}, 00362 {0x9d, 0x02}, 00363 {0x9e, 0x02}, 00364 {0x9f, 0x7a}, 00365 {0xa0, 0x79}, 00366 {0xa1, 0x40}, 00367 {0xa4, 0x50}, 00368 {0xa5, 0x68}, 00369 {0xa6, 0x4a}, 00370 {0xa8, 0xc1}, 00371 {0xa9, 0xef}, 00372 {0xaa, 0x92}, 00373 {0xab, 0x04}, 00374 {0xac, 0x80}, 00375 {0xad, 0x80}, 00376 {0xae, 0x80}, 00377 {0xaf, 0x80}, 00378 {0xb2, 0xf2}, 00379 {0xb3, 0x20}, 00380 {0xb4, 0x20}, 00381 {0xb5, 0x00}, 00382 {0xb6, 0xaf}, 00383 {0xb6, 0xaf}, 00384 {0xbb, 0xae}, 00385 {0xbc, 0x7f}, 00386 {0xbd, 0x7f}, 00387 {0xbe, 0x7f}, 00388 {0xbf, 0x7f}, 00389 {0xbf, 0x7f}, 00390 {0xc0, 0xaa}, 00391 {0xc1, 0xc0}, 00392 {0xc2, 0x01}, 00393 {0xc3, 0x4e}, 00394 {0xc6, 0x05}, 00395 {0xc7, 0x81}, 00396 {0xc9, 0xe0}, 00397 {0xca, 0xe8}, 00398 {0xcb, 0xf0}, 00399 {0xcc, 0xd8}, 00400 {0xcd, 0x93}, 00401 {0x12, 0x63}, 00402 {0x40, 0x10}, 00403 }; 00404 00405 /* Initialization sequence for QQVGA resolution (160x120) */ 00406 const char OV9655_QQVGA[][2]= 00407 { 00408 {0x00, 0x00}, 00409 {0x01, 0x80}, 00410 {0x02, 0x80}, 00411 {0x03, 0x02}, 00412 {0x04, 0x03}, 00413 {0x09, 0x01}, 00414 {0x0b, 0x57}, 00415 {0x0e, 0x61}, 00416 {0x0f, 0x40}, 00417 {0x11, 0x01}, 00418 {0x12, 0x62}, 00419 {0x13, 0xc7}, 00420 {0x14, 0x3a}, 00421 {0x16, 0x24}, 00422 {0x17, 0x18}, 00423 {0x18, 0x04}, 00424 {0x19, 0x01}, 00425 {0x1a, 0x81}, 00426 {0x1e, 0x00}, 00427 {0x24, 0x3c}, 00428 {0x25, 0x36}, 00429 {0x26, 0x72}, 00430 {0x27, 0x08}, 00431 {0x28, 0x08}, 00432 {0x29, 0x15}, 00433 {0x2a, 0x00}, 00434 {0x2b, 0x00}, 00435 {0x2c, 0x08}, 00436 {0x32, 0xa4}, 00437 {0x33, 0x00}, 00438 {0x34, 0x3f}, 00439 {0x35, 0x00}, 00440 {0x36, 0x3a}, 00441 {0x38, 0x72}, 00442 {0x39, 0x57}, 00443 {0x3a, 0xcc}, 00444 {0x3b, 0x04}, 00445 {0x3d, 0x99}, 00446 {0x3e, 0x0e}, 00447 {0x3f, 0xc1}, 00448 {0x40, 0xc0}, 00449 {0x41, 0x41}, 00450 {0x42, 0xc0}, 00451 {0x43, 0x0a}, 00452 {0x44, 0xf0}, 00453 {0x45, 0x46}, 00454 {0x46, 0x62}, 00455 {0x47, 0x2a}, 00456 {0x48, 0x3c}, 00457 {0x4a, 0xfc}, 00458 {0x4b, 0xfc}, 00459 {0x4c, 0x7f}, 00460 {0x4d, 0x7f}, 00461 {0x4e, 0x7f}, 00462 {0x4f, 0x98}, 00463 {0x50, 0x98}, 00464 {0x51, 0x00}, 00465 {0x52, 0x28}, 00466 {0x53, 0x70}, 00467 {0x54, 0x98}, 00468 {0x58, 0x1a}, 00469 {0x59, 0x85}, 00470 {0x5a, 0xa9}, 00471 {0x5b, 0x64}, 00472 {0x5c, 0x84}, 00473 {0x5d, 0x53}, 00474 {0x5e, 0x0e}, 00475 {0x5f, 0xf0}, 00476 {0x60, 0xf0}, 00477 {0x61, 0xf0}, 00478 {0x62, 0x00}, 00479 {0x63, 0x00}, 00480 {0x64, 0x02}, 00481 {0x65, 0x20}, 00482 {0x66, 0x00}, 00483 {0x69, 0x0a}, 00484 {0x6b, 0x5a}, 00485 {0x6c, 0x04}, 00486 {0x6d, 0x55}, 00487 {0x6e, 0x00}, 00488 {0x6f, 0x9d}, 00489 {0x70, 0x21}, 00490 {0x71, 0x78}, 00491 {0x72, 0x22}, 00492 {0x73, 0x02}, 00493 {0x74, 0x10}, 00494 {0x75, 0x10}, 00495 {0x76, 0x01}, 00496 {0x77, 0x02}, 00497 {0x7A, 0x12}, 00498 {0x7B, 0x08}, 00499 {0x7C, 0x16}, 00500 {0x7D, 0x30}, 00501 {0x7E, 0x5e}, 00502 {0x7F, 0x72}, 00503 {0x80, 0x82}, 00504 {0x81, 0x8e}, 00505 {0x82, 0x9a}, 00506 {0x83, 0xa4}, 00507 {0x84, 0xac}, 00508 {0x85, 0xb8}, 00509 {0x86, 0xc3}, 00510 {0x87, 0xd6}, 00511 {0x88, 0xe6}, 00512 {0x89, 0xf2}, 00513 {0x8a, 0x24}, 00514 {0x8c, 0x80}, 00515 {0x90, 0x7d}, 00516 {0x91, 0x7b}, 00517 {0x9d, 0x02}, 00518 {0x9e, 0x02}, 00519 {0x9f, 0x7a}, 00520 {0xa0, 0x79}, 00521 {0xa1, 0x40}, 00522 {0xa4, 0x50}, 00523 {0xa5, 0x68}, 00524 {0xa6, 0x4a}, 00525 {0xa8, 0xc1}, 00526 {0xa9, 0xef}, 00527 {0xaa, 0x92}, 00528 {0xab, 0x04}, 00529 {0xac, 0x80}, 00530 {0xad, 0x80}, 00531 {0xae, 0x80}, 00532 {0xaf, 0x80}, 00533 {0xb2, 0xf2}, 00534 {0xb3, 0x20}, 00535 {0xb4, 0x20}, 00536 {0xb5, 0x00}, 00537 {0xb6, 0xaf}, 00538 {0xb6, 0xaf}, 00539 {0xbb, 0xae}, 00540 {0xbc, 0x7f}, 00541 {0xbd, 0x7f}, 00542 {0xbe, 0x7f}, 00543 {0xbf, 0x7f}, 00544 {0xbf, 0x7f}, 00545 {0xc0, 0xaa}, 00546 {0xc1, 0xc0}, 00547 {0xc2, 0x01}, 00548 {0xc3, 0x4e}, 00549 {0xc6, 0x05}, 00550 {0xc7, 0x82}, 00551 {0xc9, 0xe0}, 00552 {0xca, 0xe8}, 00553 {0xcb, 0xf0}, 00554 {0xcc, 0xd8}, 00555 {0xcd, 0x93}, 00556 {0x12, 0x63}, 00557 {0x40, 0x10}, 00558 }; 00559 00560 /** 00561 * @} 00562 */ 00563 00564 /** @defgroup OV9655_Private_Functions 00565 * @{ 00566 */ 00567 00568 /** 00569 * @brief Initializes the OV9655 CAMERA component. 00570 * @param DeviceAddr: Device address on communication Bus. 00571 * @param resolution: Camera resolution 00572 * @retval None 00573 */ 00574 void ov9655_Init(uint16_t DeviceAddr, uint32_t resolution) 00575 { 00576 uint32_t index; 00577 00578 /* Initialize I2C */ 00579 CAMERA_IO_Init(); 00580 00581 /* Prepare the camera to be configured by resetting all its registers */ 00582 CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_COM7, 0x80); 00583 CAMERA_Delay(200); 00584 00585 /* Initialize OV9655 */ 00586 switch (resolution) 00587 { 00588 case CAMERA_R160x120: 00589 { 00590 for(index=0; index<(sizeof(OV9655_QQVGA)/2); index++) 00591 { 00592 CAMERA_IO_Write(DeviceAddr, OV9655_QQVGA[index][0], OV9655_QQVGA[index][1]); 00593 CAMERA_Delay(2); 00594 } 00595 break; 00596 } 00597 case CAMERA_R320x240: 00598 { 00599 for(index=0; index<(sizeof(OV9655_QVGA)/2); index++) 00600 { 00601 CAMERA_IO_Write(DeviceAddr, OV9655_QVGA[index][0], OV9655_QVGA[index][1]); 00602 CAMERA_Delay(2); 00603 } 00604 break; 00605 } 00606 case CAMERA_R480x272: 00607 { 00608 /* Not supported resolution */ 00609 break; 00610 } 00611 case CAMERA_R640x480: 00612 { 00613 for(index=0; index<(sizeof(OV9655_VGA)/2); index++) 00614 { 00615 CAMERA_IO_Write(DeviceAddr, OV9655_VGA[index][0], OV9655_VGA[index][1]); 00616 CAMERA_Delay(2); 00617 } 00618 break; 00619 } 00620 default: 00621 { 00622 break; 00623 } 00624 } 00625 } 00626 00627 /** 00628 * @brief Configures the OV9655 camera feature. 00629 * @param DeviceAddr: Device address on communication Bus. 00630 * @param feature: Camera feature to be configured 00631 * @param value: Value to be configured 00632 * @param brightness_value: Brightness value to be configured 00633 * @retval None 00634 */ 00635 void ov9655_Config(uint16_t DeviceAddr, uint32_t feature, uint32_t value, uint32_t brightness_value) 00636 { 00637 uint8_t tslb, mtx1, mtx2, mtx3, mtx4, mtx5, mtx6; 00638 uint64_t value_tmp; 00639 uint32_t br_value; 00640 00641 /* Convert the input value into ov9655 parameters */ 00642 value_tmp = ov9655_ConvertValue(feature, value); 00643 br_value = (uint32_t)ov9655_ConvertValue(CAMERA_CONTRAST_BRIGHTNESS, brightness_value); 00644 00645 switch(feature) 00646 { 00647 case CAMERA_CONTRAST_BRIGHTNESS: 00648 { 00649 CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_BRTN, br_value); 00650 CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_CNST1, value_tmp); 00651 break; 00652 } 00653 case CAMERA_BLACK_WHITE: 00654 case CAMERA_COLOR_EFFECT: 00655 { 00656 tslb = (uint8_t)(value_tmp >> 48); 00657 mtx1 = (uint8_t)(value_tmp >> 40); 00658 mtx2 = (uint8_t)(value_tmp >> 32); 00659 mtx3 = (uint8_t)(value_tmp >> 24); 00660 mtx4 = (uint8_t)(value_tmp >> 16); 00661 mtx5 = (uint8_t)(value_tmp >> 8); 00662 mtx6 = (uint8_t)(value_tmp); 00663 CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_TSLB, tslb); 00664 CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_MTX1, mtx1); 00665 CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_MTX2, mtx2); 00666 CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_MTX3, mtx3); 00667 CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_MTX4, mtx4); 00668 CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_MTX5, mtx5); 00669 CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_MTX6, mtx6); 00670 break; 00671 } 00672 default: 00673 { 00674 break; 00675 } 00676 } 00677 } 00678 00679 /** 00680 * @brief Read the OV9655 Camera identity. 00681 * @param DeviceAddr: Device address on communication Bus. 00682 * @retval the OV9655 ID 00683 */ 00684 uint16_t ov9655_ReadID(uint16_t DeviceAddr) 00685 { 00686 /* Initialize I2C */ 00687 CAMERA_IO_Init(); 00688 00689 /* Get the camera ID */ 00690 return (CAMERA_IO_Read(DeviceAddr, OV9655_SENSOR_PIDH)); 00691 } 00692 00693 /****************************************************************************** 00694 Static Functions 00695 *******************************************************************************/ 00696 /** 00697 * @brief Convert input values into ov9655 parameters. 00698 * @param feature: Camera feature to be configured 00699 * @param value: Value to be configured 00700 * @retval The converted value 00701 */ 00702 static uint64_t ov9655_ConvertValue(uint32_t feature, uint32_t value) 00703 { 00704 uint64_t ret = 0; 00705 00706 switch(feature) 00707 { 00708 case CAMERA_BLACK_WHITE: 00709 { 00710 switch(value) 00711 { 00712 case CAMERA_BLACK_WHITE_BW: 00713 { 00714 ret = OV9655_BLACK_WHITE_BW; 00715 break; 00716 } 00717 case CAMERA_BLACK_WHITE_NEGATIVE: 00718 { 00719 ret = OV9655_BLACK_WHITE_NEGATIVE; 00720 break; 00721 } 00722 case CAMERA_BLACK_WHITE_BW_NEGATIVE: 00723 { 00724 ret = OV9655_BLACK_WHITE_BW_NEGATIVE; 00725 break; 00726 } 00727 case CAMERA_BLACK_WHITE_NORMAL: 00728 { 00729 ret = OV9655_BLACK_WHITE_NORMAL; 00730 break; 00731 } 00732 default: 00733 { 00734 ret = OV9655_BLACK_WHITE_NORMAL; 00735 break; 00736 } 00737 } 00738 break; 00739 } 00740 case CAMERA_CONTRAST_BRIGHTNESS: 00741 { 00742 switch(value) 00743 { 00744 case CAMERA_BRIGHTNESS_LEVEL0: 00745 { 00746 ret = OV9655_BRIGHTNESS_LEVEL0; 00747 break; 00748 } 00749 case CAMERA_BRIGHTNESS_LEVEL1: 00750 { 00751 ret = OV9655_BRIGHTNESS_LEVEL1; 00752 break; 00753 } 00754 case CAMERA_BRIGHTNESS_LEVEL2: 00755 { 00756 ret = OV9655_BRIGHTNESS_LEVEL2; 00757 break; 00758 } 00759 case CAMERA_BRIGHTNESS_LEVEL3: 00760 { 00761 ret = OV9655_BRIGHTNESS_LEVEL3; 00762 break; 00763 } 00764 case CAMERA_BRIGHTNESS_LEVEL4: 00765 { 00766 ret = OV9655_BRIGHTNESS_LEVEL4; 00767 break; 00768 } 00769 case CAMERA_CONTRAST_LEVEL0: 00770 { 00771 ret = OV9655_CONTRAST_LEVEL0; 00772 break; 00773 } 00774 case CAMERA_CONTRAST_LEVEL1: 00775 { 00776 ret = OV9655_CONTRAST_LEVEL1; 00777 break; 00778 } 00779 case CAMERA_CONTRAST_LEVEL2: 00780 { 00781 ret = OV9655_CONTRAST_LEVEL2; 00782 break; 00783 } 00784 case CAMERA_CONTRAST_LEVEL3: 00785 { 00786 ret = OV9655_CONTRAST_LEVEL3; 00787 break; 00788 } 00789 case CAMERA_CONTRAST_LEVEL4: 00790 { 00791 ret = OV9655_CONTRAST_LEVEL4; 00792 break; 00793 } 00794 default: 00795 { 00796 ret = OV9655_CONTRAST_LEVEL0; 00797 break; 00798 } 00799 } 00800 break; 00801 } 00802 case CAMERA_COLOR_EFFECT: 00803 { 00804 switch(value) 00805 { 00806 case CAMERA_COLOR_EFFECT_ANTIQUE: 00807 { 00808 ret = OV9655_COLOR_EFFECT_ANTIQUE; 00809 break; 00810 } 00811 case CAMERA_COLOR_EFFECT_BLUE: 00812 { 00813 ret = OV9655_COLOR_EFFECT_BLUE; 00814 break; 00815 } 00816 case CAMERA_COLOR_EFFECT_GREEN: 00817 { 00818 ret = OV9655_COLOR_EFFECT_GREEN; 00819 break; 00820 } 00821 case CAMERA_COLOR_EFFECT_RED: 00822 { 00823 ret = OV9655_COLOR_EFFECT_RED; 00824 break; 00825 } 00826 case CAMERA_COLOR_EFFECT_NONE: 00827 default: 00828 { 00829 ret = OV9655_COLOR_EFFECT_NONE; 00830 break; 00831 } 00832 } 00833 break; 00834 default: 00835 { 00836 ret = 0; 00837 break; 00838 } 00839 } 00840 } 00841 00842 return ret; 00843 } 00844 00845 /** 00846 * @} 00847 */ 00848 00849 /** 00850 * @} 00851 */ 00852 00853 /** 00854 * @} 00855 */ 00856 00857 /** 00858 * @} 00859 */ 00860 00861 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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