justin kim / Arducam_OV5642

Arducam_OV5642_Library

Dependents:   DigitalCamera_OV5642_WIZwiki-W7500 RFID-RC522_buffer Prelude_OV5642_dev

OV5642.cpp@2:8cb6d03dccb8, 2015-10-29 (annotated)

Committer:
justinkim
Date:
Thu Oct 29 07:56:55 2015 +0000
Revision:
2:8cb6d03dccb8
Parent:
0:fc90ec271280
Child:
3:ee782b77485e
version0.1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
justinkim 0:fc90ec271280 1 #include "mbed.h"
justinkim 0:fc90ec271280 2 #include "OV5642_regs.h"
justinkim 0:fc90ec271280 3 #include "OV5642.h"
justinkim 0:fc90ec271280 4
justinkim 0:fc90ec271280 5 #define ENABLE_JPEG
justinkim 0:fc90ec271280 6
justinkim 0:fc90ec271280 7 ArduCAM::ArduCAM(PinName mosi, PinName miso, PinName sck, PinName cs, PinName sda, PinName scl)
justinkim 0:fc90ec271280 8 : spi(mosi,miso,sck), _cs(cs), i2c(sda, scl)
justinkim 0:fc90ec271280 9 {
justinkim 0:fc90ec271280 10 _cs = 1;
justinkim 0:fc90ec271280 11 }
justinkim 0:fc90ec271280 12
justinkim 0:fc90ec271280 13 //Assert CS signal
justinkim 0:fc90ec271280 14 void ArduCAM::CS_LOW(void)
justinkim 0:fc90ec271280 15 {
justinkim 0:fc90ec271280 16 _cs = 0;
justinkim 0:fc90ec271280 17 }
justinkim 0:fc90ec271280 18
justinkim 0:fc90ec271280 19 //Disable CS signal
justinkim 0:fc90ec271280 20 void ArduCAM::CS_HIGH(void)
justinkim 0:fc90ec271280 21 {
justinkim 0:fc90ec271280 22 _cs = 1;
justinkim 0:fc90ec271280 23 }
justinkim 0:fc90ec271280 24
justinkim 0:fc90ec271280 25 //Reset the FIFO pointer to ZERO
justinkim 0:fc90ec271280 26 void ArduCAM::flush_fifo(void)
justinkim 0:fc90ec271280 27 {
justinkim 0:fc90ec271280 28 write_reg(ARDUCHIP_FIFO, FIFO_CLEAR_MASK);
justinkim 0:fc90ec271280 29 }
justinkim 0:fc90ec271280 30
justinkim 0:fc90ec271280 31 //Send capture command
justinkim 0:fc90ec271280 32 void ArduCAM::start_capture(void)
justinkim 0:fc90ec271280 33 {
justinkim 0:fc90ec271280 34 write_reg(ARDUCHIP_FIFO, FIFO_START_MASK);
justinkim 0:fc90ec271280 35 }
justinkim 0:fc90ec271280 36
justinkim 0:fc90ec271280 37 //Clear FIFO Complete flag
justinkim 0:fc90ec271280 38 void ArduCAM::clear_fifo_flag(void)
justinkim 0:fc90ec271280 39 {
justinkim 0:fc90ec271280 40 write_reg(ARDUCHIP_FIFO, FIFO_CLEAR_MASK);
justinkim 0:fc90ec271280 41 }
justinkim 0:fc90ec271280 42
justinkim 0:fc90ec271280 43 //Read FIFO single
justinkim 0:fc90ec271280 44 uint8_t ArduCAM::read_fifo(void)
justinkim 0:fc90ec271280 45 {
justinkim 0:fc90ec271280 46 uint8_t data;
justinkim 0:fc90ec271280 47 data = bus_read(SINGLE_FIFO_READ);
justinkim 0:fc90ec271280 48 return data;
justinkim 0:fc90ec271280 49 }
justinkim 0:fc90ec271280 50
justinkim 0:fc90ec271280 51 //Read Write FIFO length
justinkim 0:fc90ec271280 52 //Support ArduCAM Mini only
justinkim 0:fc90ec271280 53 uint32_t ArduCAM::read_fifo_length(void)
justinkim 0:fc90ec271280 54 {
justinkim 0:fc90ec271280 55 uint32_t len1,len2,len3,length=0;
justinkim 0:fc90ec271280 56 len1 = read_reg(FIFO_SIZE1);
justinkim 0:fc90ec271280 57 len2 = read_reg(FIFO_SIZE2);
justinkim 0:fc90ec271280 58 len3 = read_reg(FIFO_SIZE3) & 0x07;
justinkim 0:fc90ec271280 59 length = ((len3 << 16) | (len2 << 8) | len1) & 0x07ffff;
justinkim 0:fc90ec271280 60 return length;
justinkim 0:fc90ec271280 61 }
justinkim 0:fc90ec271280 62
justinkim 0:fc90ec271280 63 //Send read fifo burst command
justinkim 0:fc90ec271280 64 //Support ArduCAM Mini only
justinkim 0:fc90ec271280 65 void ArduCAM::set_fifo_burst()
justinkim 0:fc90ec271280 66 {
justinkim 0:fc90ec271280 67 spi.write(BURST_FIFO_READ);
justinkim 0:fc90ec271280 68 }
justinkim 0:fc90ec271280 69
justinkim 2:8cb6d03dccb8 70 void ArduCAM::InitCAM()
justinkim 2:8cb6d03dccb8 71 {
justinkim 2:8cb6d03dccb8 72 uint8_t reg_val;
justinkim 2:8cb6d03dccb8 73
justinkim 2:8cb6d03dccb8 74 wrSensorReg16_8(0x3008, 0x80);
justinkim 2:8cb6d03dccb8 75
justinkim 2:8cb6d03dccb8 76 wait_ms(100);
justinkim 2:8cb6d03dccb8 77 if(m_fmt == JPEG)
justinkim 2:8cb6d03dccb8 78 {
justinkim 2:8cb6d03dccb8 79 wrSensorRegs16_8(ov5642_dvp_fmt_global_init);
justinkim 2:8cb6d03dccb8 80 wait_ms(100);
justinkim 2:8cb6d03dccb8 81 wrSensorRegs16_8(ov5642_dvp_fmt_jpeg_qvga);
justinkim 2:8cb6d03dccb8 82 wrSensorReg16_8(0x4407,0x0C);
justinkim 2:8cb6d03dccb8 83 }
justinkim 2:8cb6d03dccb8 84 else
justinkim 2:8cb6d03dccb8 85 {
justinkim 2:8cb6d03dccb8 86 wrSensorRegs16_8(OV5642_RGB_QVGA);
justinkim 2:8cb6d03dccb8 87 rdSensorReg16_8(0x3818,&reg_val);
justinkim 2:8cb6d03dccb8 88 wrSensorReg16_8(0x3818, (reg_val | 0x60) & 0xff);
justinkim 2:8cb6d03dccb8 89 rdSensorReg16_8(0x3621,&reg_val);
justinkim 2:8cb6d03dccb8 90 wrSensorReg16_8(0x3621, reg_val & 0xdf);
justinkim 2:8cb6d03dccb8 91 }
justinkim 0:fc90ec271280 92 }
justinkim 0:fc90ec271280 93
justinkim 0:fc90ec271280 94 //Write ArduChip internal registers
justinkim 0:fc90ec271280 95 void ArduCAM::write_reg(uint8_t addr, uint8_t data)
justinkim 0:fc90ec271280 96 {
justinkim 0:fc90ec271280 97 bus_write(addr | 0x80, data);
justinkim 0:fc90ec271280 98 }
justinkim 0:fc90ec271280 99
justinkim 0:fc90ec271280 100 //Read ArduChip internal registers
justinkim 0:fc90ec271280 101 uint8_t ArduCAM::read_reg(uint8_t addr)
justinkim 0:fc90ec271280 102 {
justinkim 0:fc90ec271280 103 uint8_t data;
justinkim 0:fc90ec271280 104 data = bus_read(addr & 0x7F);
justinkim 0:fc90ec271280 105 return data;
justinkim 0:fc90ec271280 106 }
justinkim 0:fc90ec271280 107
justinkim 0:fc90ec271280 108 //Set corresponding bit
justinkim 0:fc90ec271280 109 void ArduCAM::set_bit(uint8_t addr, uint8_t bit)
justinkim 0:fc90ec271280 110 {
justinkim 0:fc90ec271280 111 uint8_t temp;
justinkim 0:fc90ec271280 112 temp = read_reg(addr);
justinkim 0:fc90ec271280 113 write_reg(addr, temp | bit);
justinkim 0:fc90ec271280 114
justinkim 0:fc90ec271280 115 }
justinkim 0:fc90ec271280 116
justinkim 0:fc90ec271280 117 //Clear corresponding bit
justinkim 0:fc90ec271280 118 void ArduCAM::clear_bit(uint8_t addr, uint8_t bit)
justinkim 0:fc90ec271280 119 {
justinkim 0:fc90ec271280 120 uint8_t temp;
justinkim 0:fc90ec271280 121 temp = read_reg(addr);
justinkim 0:fc90ec271280 122 write_reg(addr, temp & (~bit));
justinkim 0:fc90ec271280 123 }
justinkim 0:fc90ec271280 124
justinkim 0:fc90ec271280 125 //Get corresponding bit status
justinkim 0:fc90ec271280 126 uint8_t ArduCAM::get_bit(uint8_t addr, uint8_t bit)
justinkim 0:fc90ec271280 127 {
justinkim 0:fc90ec271280 128 uint8_t temp;
justinkim 0:fc90ec271280 129 temp = read_reg(addr);
justinkim 0:fc90ec271280 130 temp = temp & bit;
justinkim 0:fc90ec271280 131 return temp;
justinkim 0:fc90ec271280 132 }
justinkim 0:fc90ec271280 133
justinkim 0:fc90ec271280 134 //Set ArduCAM working mode
justinkim 0:fc90ec271280 135 //MCU2LCD_MODE: MCU writes the LCD screen GRAM
justinkim 0:fc90ec271280 136 //CAM2LCD_MODE: Camera takes control of the LCD screen
justinkim 0:fc90ec271280 137 //LCD2MCU_MODE: MCU read the LCD screen GRAM
justinkim 0:fc90ec271280 138 void ArduCAM::set_mode(uint8_t mode)
justinkim 0:fc90ec271280 139 {
justinkim 0:fc90ec271280 140 switch(mode)
justinkim 0:fc90ec271280 141 {
justinkim 0:fc90ec271280 142 case MCU2LCD_MODE:
justinkim 0:fc90ec271280 143 write_reg(ARDUCHIP_MODE, MCU2LCD_MODE);
justinkim 0:fc90ec271280 144 break;
justinkim 0:fc90ec271280 145 case CAM2LCD_MODE:
justinkim 0:fc90ec271280 146 write_reg(ARDUCHIP_MODE, CAM2LCD_MODE);
justinkim 0:fc90ec271280 147 break;
justinkim 0:fc90ec271280 148 case LCD2MCU_MODE:
justinkim 0:fc90ec271280 149 write_reg(ARDUCHIP_MODE, LCD2MCU_MODE);
justinkim 0:fc90ec271280 150 break;
justinkim 0:fc90ec271280 151 default:
justinkim 0:fc90ec271280 152 write_reg(ARDUCHIP_MODE, MCU2LCD_MODE);
justinkim 0:fc90ec271280 153 break;
justinkim 0:fc90ec271280 154 }
justinkim 0:fc90ec271280 155 }
justinkim 0:fc90ec271280 156
justinkim 0:fc90ec271280 157
justinkim 0:fc90ec271280 158 //I2C Write 8bit address, 8bit data
justinkim 0:fc90ec271280 159 uint8_t ArduCAM::wrSensorReg8_8(int regID, int regDat)
justinkim 0:fc90ec271280 160 {
justinkim 0:fc90ec271280 161 uint8_t buff[20];
justinkim 0:fc90ec271280 162 buff[0] = regID;
justinkim 0:fc90ec271280 163 buff[1] = regDat;
justinkim 0:fc90ec271280 164 I2CBufferWrite(sensor_addr,buff,2, I2C_SEND_STOP);
justinkim 0:fc90ec271280 165
justinkim 0:fc90ec271280 166 // wait_ms(1);
justinkim 0:fc90ec271280 167 return(1);
justinkim 0:fc90ec271280 168 }
justinkim 0:fc90ec271280 169
justinkim 0:fc90ec271280 170 //I2C Read 8bit address, 8bit data
justinkim 0:fc90ec271280 171 uint8_t ArduCAM::rdSensorReg8_8(uint8_t regID, uint8_t* regDat)
justinkim 0:fc90ec271280 172 {
justinkim 0:fc90ec271280 173 uint8_t buff[20];
justinkim 0:fc90ec271280 174 buff[0] = regID;
justinkim 0:fc90ec271280 175
justinkim 0:fc90ec271280 176 I2CBufferWrite(sensor_addr,buff,1, I2C_SEND_STOP);
justinkim 0:fc90ec271280 177 I2CBufferRead(sensor_addr+1,buff,1, I2C_SEND_STOP);
justinkim 0:fc90ec271280 178 *regDat = buff[0];
justinkim 0:fc90ec271280 179
justinkim 0:fc90ec271280 180 // wait_ms(1);
justinkim 0:fc90ec271280 181 return(1);
justinkim 0:fc90ec271280 182 }
justinkim 0:fc90ec271280 183
justinkim 0:fc90ec271280 184 //I2C Write 8bit address, 16bit data
justinkim 0:fc90ec271280 185 uint8_t ArduCAM::wrSensorReg8_16(int regID, int regDat)
justinkim 0:fc90ec271280 186 {
justinkim 0:fc90ec271280 187 uint8_t buff[20];
justinkim 0:fc90ec271280 188 buff[0] = regID;
justinkim 0:fc90ec271280 189 buff[1] = regDat >> 8;
justinkim 0:fc90ec271280 190 buff[2] = regDat & 0x00FF;
justinkim 0:fc90ec271280 191 I2CBufferWrite(sensor_addr,buff,3, I2C_SEND_STOP);
justinkim 0:fc90ec271280 192
justinkim 0:fc90ec271280 193 // wait_ms(1);
justinkim 0:fc90ec271280 194 return(1);
justinkim 0:fc90ec271280 195 }
justinkim 0:fc90ec271280 196
justinkim 0:fc90ec271280 197 //I2C Read 8bit address, 16bit data
justinkim 0:fc90ec271280 198 uint8_t ArduCAM::rdSensorReg8_16(uint8_t regID, uint16_t* regDat)
justinkim 0:fc90ec271280 199 {
justinkim 0:fc90ec271280 200 // uint8_t temp;
justinkim 0:fc90ec271280 201 uint8_t buff[20];
justinkim 0:fc90ec271280 202 buff[0] = regID;
justinkim 0:fc90ec271280 203
justinkim 0:fc90ec271280 204 I2CBufferWrite(sensor_addr,buff,1, I2C_SEND_STOP);
justinkim 0:fc90ec271280 205 I2CBufferRead(sensor_addr+1,buff, 2, I2C_SEND_STOP);
justinkim 0:fc90ec271280 206 *regDat = (buff[0] << 8) | buff[1];
justinkim 0:fc90ec271280 207
justinkim 0:fc90ec271280 208 // wait_ms(1);
justinkim 0:fc90ec271280 209 return(1);
justinkim 0:fc90ec271280 210 }
justinkim 0:fc90ec271280 211
justinkim 0:fc90ec271280 212 //I2C Write 16bit address, 8bit data
justinkim 0:fc90ec271280 213 uint8_t ArduCAM::wrSensorReg16_8(int regID, int regDat)
justinkim 0:fc90ec271280 214 {
justinkim 0:fc90ec271280 215 uint8_t buff[20];
justinkim 0:fc90ec271280 216 buff[0] = regID >> 8;
justinkim 0:fc90ec271280 217 buff[1] = regID & 0x00FF;
justinkim 0:fc90ec271280 218 buff[2] = regDat;
justinkim 0:fc90ec271280 219 I2CBufferWrite(sensor_addr,buff,3, I2C_SEND_STOP);
justinkim 0:fc90ec271280 220
justinkim 0:fc90ec271280 221 // wait_ms(1);
justinkim 0:fc90ec271280 222 return(1);
justinkim 0:fc90ec271280 223 }
justinkim 0:fc90ec271280 224
justinkim 0:fc90ec271280 225 //I2C Read 16bit address, 8bit data
justinkim 0:fc90ec271280 226 uint8_t ArduCAM::rdSensorReg16_8(uint16_t regID, uint8_t* regDat)
justinkim 0:fc90ec271280 227 {
justinkim 0:fc90ec271280 228 uint8_t buff[20];
justinkim 0:fc90ec271280 229 buff[0] = regID >> 8;
justinkim 0:fc90ec271280 230 buff[1] = regID & 0x00FF;
justinkim 0:fc90ec271280 231 I2CBufferWrite(sensor_addr,buff,2, I2C_SEND_STOP);
justinkim 0:fc90ec271280 232 I2CBufferRead(sensor_addr+1,buff, 1, I2C_SEND_STOP);
justinkim 0:fc90ec271280 233 *regDat = buff[0];
justinkim 0:fc90ec271280 234
justinkim 0:fc90ec271280 235 // wait_ms(1);
justinkim 0:fc90ec271280 236 return(1);
justinkim 0:fc90ec271280 237 }
justinkim 0:fc90ec271280 238
justinkim 0:fc90ec271280 239 //I2C Write 16bit address, 16bit data
justinkim 0:fc90ec271280 240 uint8_t ArduCAM::wrSensorReg16_16(int regID, int regDat)
justinkim 0:fc90ec271280 241 {
justinkim 0:fc90ec271280 242 uint8_t buff[20];
justinkim 0:fc90ec271280 243 buff[0] = regID >> 8;
justinkim 0:fc90ec271280 244 buff[1] = regID & 0x00FF;
justinkim 0:fc90ec271280 245 buff[2] = regDat >> 8;
justinkim 0:fc90ec271280 246 buff[3] = regID & 0x00FF;
justinkim 0:fc90ec271280 247 I2CBufferWrite(sensor_addr,buff,4, I2C_SEND_STOP);
justinkim 0:fc90ec271280 248
justinkim 0:fc90ec271280 249 // wait_ms(1);
justinkim 0:fc90ec271280 250 return(1);
justinkim 0:fc90ec271280 251 }
justinkim 0:fc90ec271280 252
justinkim 0:fc90ec271280 253 //I2C Read 16bit address, 16bit data
justinkim 0:fc90ec271280 254 uint8_t ArduCAM::rdSensorReg16_16(uint16_t regID, uint16_t* regDat)
justinkim 0:fc90ec271280 255 {
justinkim 0:fc90ec271280 256 // uint8_t temp;
justinkim 0:fc90ec271280 257 uint8_t buff[20];
justinkim 0:fc90ec271280 258 buff[0] = regID >> 8;
justinkim 0:fc90ec271280 259 buff[1] = regID & 0x00FF;
justinkim 0:fc90ec271280 260 I2CBufferWrite(sensor_addr,buff,2, I2C_SEND_STOP);
justinkim 0:fc90ec271280 261 I2CBufferRead(sensor_addr+1,buff, 1, I2C_SEND_STOP);
justinkim 0:fc90ec271280 262 *regDat = (buff[0] << 8) | buff[1];
justinkim 0:fc90ec271280 263
justinkim 0:fc90ec271280 264 // wait_ms(1);
justinkim 0:fc90ec271280 265 return(1);
justinkim 0:fc90ec271280 266 }
justinkim 0:fc90ec271280 267
justinkim 0:fc90ec271280 268 //I2C Array Write 8bit address, 8bit data
justinkim 0:fc90ec271280 269 int ArduCAM::wrSensorRegs8_8(const struct sensor_reg reglist[])
justinkim 0:fc90ec271280 270 {
justinkim 0:fc90ec271280 271 // int err = 0;
justinkim 0:fc90ec271280 272 uint16_t reg_addr = 0;
justinkim 0:fc90ec271280 273 uint16_t reg_val = 0;
justinkim 0:fc90ec271280 274 const struct sensor_reg *next = reglist;
justinkim 0:fc90ec271280 275
justinkim 0:fc90ec271280 276 while ((reg_addr != 0xff) | (reg_val != 0xff))
justinkim 0:fc90ec271280 277 {
justinkim 0:fc90ec271280 278 reg_addr = next->reg;
justinkim 0:fc90ec271280 279 reg_val = next->val;
justinkim 0:fc90ec271280 280 wrSensorReg8_8(reg_addr, reg_val);
justinkim 0:fc90ec271280 281 next++;
justinkim 0:fc90ec271280 282
justinkim 0:fc90ec271280 283 }
justinkim 0:fc90ec271280 284
justinkim 0:fc90ec271280 285 return 1;
justinkim 0:fc90ec271280 286 }
justinkim 0:fc90ec271280 287
justinkim 0:fc90ec271280 288 //I2C Array Write 8bit address, 16bit data
justinkim 0:fc90ec271280 289 int ArduCAM::wrSensorRegs8_16(const struct sensor_reg reglist[])
justinkim 0:fc90ec271280 290 {
justinkim 0:fc90ec271280 291 // int err = 0;
justinkim 0:fc90ec271280 292
justinkim 0:fc90ec271280 293 uint32_t reg_addr = 0;
justinkim 0:fc90ec271280 294 uint32_t reg_val = 0;
justinkim 0:fc90ec271280 295 const struct sensor_reg *next = reglist;
justinkim 0:fc90ec271280 296
justinkim 0:fc90ec271280 297 while ((reg_addr != 0xff) | (reg_val != 0xffff))
justinkim 0:fc90ec271280 298 {
justinkim 0:fc90ec271280 299 reg_addr = next->reg;
justinkim 0:fc90ec271280 300 reg_val = next->val;
justinkim 0:fc90ec271280 301 wrSensorReg8_16(reg_addr, reg_val);
justinkim 0:fc90ec271280 302 // if (!err)
justinkim 0:fc90ec271280 303 //return err;
justinkim 0:fc90ec271280 304 next++;
justinkim 0:fc90ec271280 305 }
justinkim 0:fc90ec271280 306
justinkim 0:fc90ec271280 307 return 1;
justinkim 0:fc90ec271280 308 }
justinkim 0:fc90ec271280 309
justinkim 0:fc90ec271280 310 //I2C Array Write 16bit address, 8bit data
justinkim 0:fc90ec271280 311 int ArduCAM::wrSensorRegs16_8(const struct sensor_reg reglist[])
justinkim 0:fc90ec271280 312 {
justinkim 0:fc90ec271280 313 // int err = 0;
justinkim 0:fc90ec271280 314
justinkim 0:fc90ec271280 315 uint32_t reg_addr = 0;
justinkim 0:fc90ec271280 316 uint8_t reg_val = 0;
justinkim 0:fc90ec271280 317 const struct sensor_reg *next = reglist;
justinkim 0:fc90ec271280 318
justinkim 0:fc90ec271280 319 while ((reg_addr != 0xffff) | (reg_val != 0xff))
justinkim 0:fc90ec271280 320 {
justinkim 0:fc90ec271280 321 reg_addr = next->reg;
justinkim 0:fc90ec271280 322 reg_val = next->val;
justinkim 0:fc90ec271280 323 wrSensorReg16_8(reg_addr, reg_val);
justinkim 0:fc90ec271280 324 //if (!err)
justinkim 0:fc90ec271280 325 //return err;
justinkim 0:fc90ec271280 326 next++;
justinkim 0:fc90ec271280 327 }
justinkim 0:fc90ec271280 328
justinkim 0:fc90ec271280 329 return 1;
justinkim 0:fc90ec271280 330 }
justinkim 0:fc90ec271280 331
justinkim 0:fc90ec271280 332 //I2C Array Write 16bit address, 16bit data
justinkim 0:fc90ec271280 333 int ArduCAM::wrSensorRegs16_16(const struct sensor_reg reglist[])
justinkim 0:fc90ec271280 334 {
justinkim 0:fc90ec271280 335 // int err = 0;
justinkim 0:fc90ec271280 336
justinkim 0:fc90ec271280 337 uint32_t reg_addr = 0;
justinkim 0:fc90ec271280 338 uint32_t reg_val = 0;
justinkim 0:fc90ec271280 339 const struct sensor_reg *next = reglist;
justinkim 0:fc90ec271280 340
justinkim 0:fc90ec271280 341 while ((reg_addr != 0xffff) | (reg_val != 0xffff))
justinkim 0:fc90ec271280 342 {
justinkim 0:fc90ec271280 343 reg_addr = next->reg;
justinkim 0:fc90ec271280 344 reg_val = next->val;
justinkim 0:fc90ec271280 345 wrSensorReg16_16(reg_addr, reg_val);
justinkim 0:fc90ec271280 346 //if (!err)
justinkim 0:fc90ec271280 347 // return err;
justinkim 0:fc90ec271280 348 next++;
justinkim 0:fc90ec271280 349 }
justinkim 0:fc90ec271280 350
justinkim 0:fc90ec271280 351 return 1;
justinkim 0:fc90ec271280 352 }
justinkim 0:fc90ec271280 353
justinkim 0:fc90ec271280 354
justinkim 0:fc90ec271280 355 void ArduCAM::OV5642_set_JPEG_size(){
justinkim 0:fc90ec271280 356
justinkim 0:fc90ec271280 357 wrSensorRegs16_8(ov5642_dvp_fmt_global_init);
justinkim 0:fc90ec271280 358 wait_ms(100);
justinkim 0:fc90ec271280 359 wrSensorRegs16_8(ov5642_dvp_fmt_jpeg_qvga);
justinkim 0:fc90ec271280 360 wrSensorReg16_8(0x4407, 0x04);
justinkim 0:fc90ec271280 361 wrSensorReg16_8(0x3818, 0xA8);
justinkim 0:fc90ec271280 362 wrSensorReg16_8(0x3621, 0x10);
justinkim 0:fc90ec271280 363 wrSensorReg16_8(0x3801, 0x98);
justinkim 0:fc90ec271280 364 wait_ms(100);
justinkim 0:fc90ec271280 365 }
justinkim 0:fc90ec271280 366
justinkim 0:fc90ec271280 367 void ArduCAM::set_format(uint8_t fmt)
justinkim 0:fc90ec271280 368 {
justinkim 0:fc90ec271280 369 if(fmt == BMP)
justinkim 0:fc90ec271280 370 m_fmt = BMP;
justinkim 0:fc90ec271280 371 else
justinkim 0:fc90ec271280 372 m_fmt = JPEG;
justinkim 0:fc90ec271280 373 }
justinkim 0:fc90ec271280 374
justinkim 0:fc90ec271280 375 int ArduCAM::bus_write(int address, int value)
justinkim 0:fc90ec271280 376 {
justinkim 0:fc90ec271280 377 // take the SS pin low to select the chip:
justinkim 0:fc90ec271280 378 _cs = 0;
justinkim 0:fc90ec271280 379 // send in the address and value via SPI:
justinkim 0:fc90ec271280 380 spi.write(address);
justinkim 0:fc90ec271280 381 spi.write(value);
justinkim 0:fc90ec271280 382 // take the SS pin high to de-select the chip:
justinkim 0:fc90ec271280 383 _cs = 1;
justinkim 0:fc90ec271280 384
justinkim 0:fc90ec271280 385 return value;
justinkim 0:fc90ec271280 386 }
justinkim 0:fc90ec271280 387
justinkim 0:fc90ec271280 388 uint8_t ArduCAM::bus_read(int address)
justinkim 0:fc90ec271280 389 {
justinkim 0:fc90ec271280 390 uint8_t value = 0;
justinkim 0:fc90ec271280 391 // take the SS pin low to select the chip:
justinkim 0:fc90ec271280 392 _cs = 0;
justinkim 0:fc90ec271280 393 // send in the address and value via SPI:
justinkim 0:fc90ec271280 394 spi.write(address);
justinkim 0:fc90ec271280 395 value = spi.write(0x00);
justinkim 0:fc90ec271280 396 // take the SS pin high to de-select the chip:
justinkim 0:fc90ec271280 397 _cs = 1;
justinkim 0:fc90ec271280 398 return value;
justinkim 0:fc90ec271280 399 }
justinkim 0:fc90ec271280 400
justinkim 0:fc90ec271280 401 uint32_t ArduCAM::I2CInit()
justinkim 0:fc90ec271280 402 {
justinkim 0:fc90ec271280 403
justinkim 0:fc90ec271280 404 i2c.frequency (100000);
justinkim 0:fc90ec271280 405
justinkim 0:fc90ec271280 406 return 0;
justinkim 0:fc90ec271280 407 }
justinkim 0:fc90ec271280 408
justinkim 0:fc90ec271280 409 int32_t ArduCAM::I2CBufferRead(int32_t ucDevAddr, uint8_t *ucBuffer,
justinkim 0:fc90ec271280 410 int32_t ulSize, unsigned char ucFlags)
justinkim 0:fc90ec271280 411 {
justinkim 0:fc90ec271280 412 // Uart_Write((uint8_t*)"I2CBufferRead \n\r");
justinkim 0:fc90ec271280 413
justinkim 0:fc90ec271280 414 i2c.start();
justinkim 0:fc90ec271280 415
justinkim 0:fc90ec271280 416 // Set I2C slave read address
justinkim 0:fc90ec271280 417 i2c.write(ucDevAddr);
justinkim 0:fc90ec271280 418 if(ulSize == 1){
justinkim 0:fc90ec271280 419 ucBuffer[0] = i2c.read(0);
justinkim 0:fc90ec271280 420 }else{
justinkim 0:fc90ec271280 421 for(int i=0;i<ulSize;i++){
justinkim 0:fc90ec271280 422 ucBuffer[i] = i2c.read(0);
justinkim 0:fc90ec271280 423 }
justinkim 0:fc90ec271280 424 }
justinkim 0:fc90ec271280 425
justinkim 0:fc90ec271280 426 i2c.stop();
justinkim 0:fc90ec271280 427
justinkim 0:fc90ec271280 428 /* int32_t err = 0;
justinkim 0:fc90ec271280 429
justinkim 0:fc90ec271280 430 // RTOS_MUTEX_ACQUIRE(&g_i2cLock);
justinkim 0:fc90ec271280 431
justinkim 0:fc90ec271280 432 err = i2c.read(ucDevAddr,(char*)ucBuffer,ulSize);
justinkim 0:fc90ec271280 433 if(err == 1){
justinkim 0:fc90ec271280 434 Uart_Write((uint8_t*)"Return error I2C read\n\r");
justinkim 0:fc90ec271280 435 // RTOS_MUTEX_RELEASE(&g_i2cLock);
justinkim 0:fc90ec271280 436 return -1;
justinkim 0:fc90ec271280 437 }
justinkim 0:fc90ec271280 438 wait_ms(1);
justinkim 0:fc90ec271280 439 // RTOS_MUTEX_RELEASE(&g_i2cLock); */
justinkim 0:fc90ec271280 440 return 0;
justinkim 0:fc90ec271280 441 }
justinkim 0:fc90ec271280 442
justinkim 0:fc90ec271280 443 int32_t ArduCAM::I2CBufferWrite(int32_t ucDevAddr, uint8_t *ucBuffer,
justinkim 0:fc90ec271280 444 int32_t ulSize,unsigned char ucFlags)
justinkim 0:fc90ec271280 445 {
justinkim 0:fc90ec271280 446 // Uart_Write((uint8_t*)"I2CBufferWrite \n\r");
justinkim 0:fc90ec271280 447
justinkim 0:fc90ec271280 448 i2c.start();
justinkim 0:fc90ec271280 449
justinkim 0:fc90ec271280 450 // Set I2C slave write address
justinkim 0:fc90ec271280 451 i2c.write(ucDevAddr);
justinkim 0:fc90ec271280 452
justinkim 0:fc90ec271280 453 if(ulSize == 1){
justinkim 0:fc90ec271280 454 i2c.write(ucBuffer[0]);
justinkim 0:fc90ec271280 455 }else{
justinkim 0:fc90ec271280 456 for(int i=0;i<ulSize;i++){
justinkim 0:fc90ec271280 457 i2c.write(ucBuffer[i]);
justinkim 0:fc90ec271280 458 }
justinkim 0:fc90ec271280 459 }
justinkim 0:fc90ec271280 460
justinkim 0:fc90ec271280 461 i2c.stop();
justinkim 0:fc90ec271280 462 /*
justinkim 0:fc90ec271280 463 int32_t err = 0;
justinkim 0:fc90ec271280 464
justinkim 0:fc90ec271280 465 // RTOS_MUTEX_ACQUIRE(&g_i2cLock);
justinkim 0:fc90ec271280 466 err = i2c.write(ucDevAddr,(char*)ucBuffer,ulSize);
justinkim 0:fc90ec271280 467 if(err == 1){
justinkim 0:fc90ec271280 468 Uart_Write((uint8_t*)"Return error I2C write\n\r");
justinkim 0:fc90ec271280 469 // RTOS_MUTEX_RELEASE(&g_i2cLock);
justinkim 0:fc90ec271280 470 return -1;
justinkim 0:fc90ec271280 471 }
justinkim 0:fc90ec271280 472 wait_ms(1);
justinkim 0:fc90ec271280 473 // RTOS_MUTEX_RELEASE(&g_i2cLock); */
justinkim 0:fc90ec271280 474 return 0;
justinkim 0:fc90ec271280 475 }