Sebastian Barrera / ov7670_lib

ov7670 library

Dependents:   Project_test Capture_bw_portin Capture_bw_v3 Project_190659132

ov7670.cpp@2:354a00023f79, 2013-04-07 (annotated)

Committer:
edodm85
Date:
Sun Apr 07 10:47:47 2013 +0000
Revision:
2:354a00023f79
Parent:
1:d82dbad9c06b
Child:
3:b40a945dd672
Changed Init Registers

Who changed what in which revision?

UserRevisionLine numberNew contents of line
edodm85 0:810d59d0b843 1 #include "ov7670.h"
edodm85 0:810d59d0b843 2
edodm85 0:810d59d0b843 3
edodm85 0:810d59d0b843 4 OV7670::OV7670(PinName sda, PinName scl, PinName vs, PinName hr, PinName we, PortName port, int mask, PinName rt, PinName o, PinName rc) : _i2c(sda,scl),vsync(vs),href(hr),wen(we),data(port,mask),rrst(rt),oe(o),rclk(rc)
edodm85 0:810d59d0b843 5 {
edodm85 0:810d59d0b843 6 _i2c.stop();
edodm85 0:810d59d0b843 7 _i2c.frequency(OV7670_I2CFREQ);
edodm85 0:810d59d0b843 8 vsync.fall(this,&OV7670::VsyncHandler); // interrupt fall edge
edodm85 0:810d59d0b843 9 href.rise(this,&OV7670::HrefHandler); // interrupt rise edge
edodm85 0:810d59d0b843 10 CaptureReq = false;
edodm85 0:810d59d0b843 11 Busy = false;
edodm85 0:810d59d0b843 12 Done = false;
edodm85 0:810d59d0b843 13 LineCounter = 0;
edodm85 0:810d59d0b843 14 rrst = 1;
edodm85 0:810d59d0b843 15 oe = 1;
edodm85 0:810d59d0b843 16 rclk = 1;
edodm85 0:810d59d0b843 17 wen = 0;
edodm85 0:810d59d0b843 18 }
edodm85 0:810d59d0b843 19
edodm85 0:810d59d0b843 20 OV7670::~OV7670()
edodm85 0:810d59d0b843 21 {
edodm85 0:810d59d0b843 22
edodm85 0:810d59d0b843 23 }
edodm85 0:810d59d0b843 24
edodm85 0:810d59d0b843 25 // capture request
edodm85 0:810d59d0b843 26 void OV7670::CaptureNext(void)
edodm85 0:810d59d0b843 27 {
edodm85 0:810d59d0b843 28 CaptureReq = true ;
edodm85 0:810d59d0b843 29 Busy = true ;
edodm85 0:810d59d0b843 30 }
edodm85 0:810d59d0b843 31
edodm85 0:810d59d0b843 32 // capture done? (with clear)
edodm85 0:810d59d0b843 33 bool OV7670::CaptureDone(void)
edodm85 0:810d59d0b843 34 {
edodm85 0:810d59d0b843 35 bool result ;
edodm85 0:810d59d0b843 36 if (Busy) {
edodm85 0:810d59d0b843 37 result = false ;
edodm85 0:810d59d0b843 38 } else {
edodm85 0:810d59d0b843 39 result = Done ;
edodm85 0:810d59d0b843 40 Done = false ;
edodm85 0:810d59d0b843 41 }
edodm85 0:810d59d0b843 42 return result ;
edodm85 0:810d59d0b843 43 }
edodm85 0:810d59d0b843 44
edodm85 0:810d59d0b843 45 // write to camera
edodm85 0:810d59d0b843 46 void OV7670::WriteReg(int addr,int data)
edodm85 0:810d59d0b843 47 {
edodm85 0:810d59d0b843 48 _i2c.start() ;
edodm85 0:810d59d0b843 49 _i2c.write(OV7670_WRITE) ;
edodm85 0:810d59d0b843 50 wait_us(OV7670_WRITEWAIT);
edodm85 0:810d59d0b843 51 _i2c.write(addr) ;
edodm85 0:810d59d0b843 52 wait_us(OV7670_WRITEWAIT);
edodm85 0:810d59d0b843 53 _i2c.write(data) ;
edodm85 0:810d59d0b843 54 _i2c.stop() ;
edodm85 0:810d59d0b843 55 }
edodm85 0:810d59d0b843 56
edodm85 0:810d59d0b843 57 // read from camera
edodm85 0:810d59d0b843 58 int OV7670::ReadReg(int addr)
edodm85 0:810d59d0b843 59 {
edodm85 0:810d59d0b843 60 int data ;
edodm85 0:810d59d0b843 61
edodm85 0:810d59d0b843 62 _i2c.start() ;
edodm85 0:810d59d0b843 63 _i2c.write(OV7670_WRITE) ;
edodm85 0:810d59d0b843 64 wait_us(OV7670_WRITEWAIT);
edodm85 0:810d59d0b843 65 _i2c.write(addr) ;
edodm85 0:810d59d0b843 66 _i2c.stop() ;
edodm85 0:810d59d0b843 67 wait_us(OV7670_WRITEWAIT);
edodm85 0:810d59d0b843 68
edodm85 0:810d59d0b843 69 _i2c.start() ;
edodm85 0:810d59d0b843 70 _i2c.write(OV7670_READ) ;
edodm85 0:810d59d0b843 71 wait_us(OV7670_WRITEWAIT);
edodm85 0:810d59d0b843 72 data = _i2c.read(OV7670_NOACK) ;
edodm85 0:810d59d0b843 73 _i2c.stop() ;
edodm85 0:810d59d0b843 74
edodm85 0:810d59d0b843 75 return data ;
edodm85 0:810d59d0b843 76 }
edodm85 0:810d59d0b843 77
edodm85 0:810d59d0b843 78 void OV7670::Reset(void) {
edodm85 2:354a00023f79 79 WriteReg(0x12, 0x80) ; // RESET CAMERA
edodm85 0:810d59d0b843 80 wait_ms(200) ;
edodm85 0:810d59d0b843 81 }
edodm85 0:810d59d0b843 82
edodm85 1:d82dbad9c06b 83 int OV7670::Init(char c, int n)
edodm85 0:810d59d0b843 84 {
edodm85 0:810d59d0b843 85
edodm85 2:354a00023f79 86 if (ReadReg(REG_PID) != 0x76) // check id camera
edodm85 0:810d59d0b843 87 {
edodm85 0:810d59d0b843 88 return 0;
edodm85 0:810d59d0b843 89 }
edodm85 0:810d59d0b843 90
edodm85 2:354a00023f79 91 Reset(); // Resets all registers to default values
edodm85 2:354a00023f79 92 Reset(); // Resets all registers to default values
edodm85 1:d82dbad9c06b 93
edodm85 2:354a00023f79 94 WriteReg(REG_RGB444, 0x00); // Disable RGB444
edodm85 2:354a00023f79 95 WriteReg(REG_COM10, 0x02); // 0x02 VSYNC negative (http://nasulica.homelinux.org/?p=959)
edodm85 2:354a00023f79 96 WriteReg(REG_MVFP, 0x27); // mirror image
edodm85 1:d82dbad9c06b 97
edodm85 2:354a00023f79 98 WriteReg(REG_CLKRC, 0x80); // prescaler x1
edodm85 2:354a00023f79 99 WriteReg(DBLV, 0x0a); // bypass PLL
edodm85 1:d82dbad9c06b 100
edodm85 2:354a00023f79 101 WriteReg(REG_COM11, 0x0A) ;
edodm85 2:354a00023f79 102 WriteReg(REG_TSLB, 0x04); // 0D = UYVY 04 = YUYV
edodm85 2:354a00023f79 103 WriteReg(REG_COM13, 0x88); // connect to REG_TSLB
edodm85 0:810d59d0b843 104
edodm85 1:d82dbad9c06b 105
edodm85 1:d82dbad9c06b 106 if(c == 'b' || c == 'y') // YUV
edodm85 1:d82dbad9c06b 107 {
edodm85 1:d82dbad9c06b 108 WriteReg(REG_COM7, 0x00); // YUV
edodm85 1:d82dbad9c06b 109 WriteReg(REG_COM17, 0x00); // color bar disable
edodm85 1:d82dbad9c06b 110 WriteReg(REG_COM3, 0x04);
edodm85 1:d82dbad9c06b 111 WriteReg(REG_COM15, 0xC0); // Set normal rgb with Full range
edodm85 1:d82dbad9c06b 112
edodm85 1:d82dbad9c06b 113 }else
edodm85 1:d82dbad9c06b 114 if(c == 'r') // RGB565
edodm85 1:d82dbad9c06b 115 {
edodm85 1:d82dbad9c06b 116 WriteReg(REG_COM7, 0x04); // RGB + color bar disable
edodm85 1:d82dbad9c06b 117 WriteReg(REG_RGB444, 0x00); // Disable RGB444
edodm85 1:d82dbad9c06b 118 WriteReg(REG_COM15, 0x10); // Set rgb565 with Full range 0xD0
edodm85 1:d82dbad9c06b 119 WriteReg(REG_COM3, 0x04);
edodm85 2:354a00023f79 120 WriteReg(REG_CLKRC, 0x80); // prescaler x1
edodm85 1:d82dbad9c06b 121 }
edodm85 1:d82dbad9c06b 122
edodm85 1:d82dbad9c06b 123 WriteReg(0x70, 0x3A); // Scaling Xsc
edodm85 1:d82dbad9c06b 124 WriteReg(0x71, 0x35); // Scaling Ysc
edodm85 1:d82dbad9c06b 125 WriteReg(0xA2, 0x02); // pixel clock delay
edodm85 1:d82dbad9c06b 126
edodm85 1:d82dbad9c06b 127 if(n == 19200) // 160*120
edodm85 1:d82dbad9c06b 128 {
edodm85 1:d82dbad9c06b 129 WriteReg(REG_COM14, 0x1a); // divide by 4
edodm85 1:d82dbad9c06b 130 WriteReg(0x72, 0x22); // downsample by 4
edodm85 1:d82dbad9c06b 131 WriteReg(0x73, 0xf2); // divide by 4
edodm85 2:354a00023f79 132 WriteReg(REG_HREF, 0xa4);
edodm85 2:354a00023f79 133 WriteReg(REG_HSTART, 0x16);
edodm85 2:354a00023f79 134 WriteReg(REG_HSTOP, 0x04);
edodm85 2:354a00023f79 135 WriteReg(REG_VREF, 0x0a);
edodm85 2:354a00023f79 136 WriteReg(REG_VSTART, 0x02);
edodm85 2:354a00023f79 137 WriteReg(REG_VSTOP, 0x7a);
edodm85 2:354a00023f79 138
edodm85 2:354a00023f79 139 WriteReg(0x7a, 0x20);
edodm85 2:354a00023f79 140 WriteReg(0x7b, 0x1c);
edodm85 2:354a00023f79 141 WriteReg(0x7c, 0x28);
edodm85 2:354a00023f79 142 WriteReg(0x7d, 0x3c);
edodm85 2:354a00023f79 143 WriteReg(0x7e, 0x5a);
edodm85 2:354a00023f79 144 WriteReg(0x7f, 0x68);
edodm85 2:354a00023f79 145 WriteReg(0x80, 0x76);
edodm85 2:354a00023f79 146 WriteReg(0x81, 0x80);
edodm85 2:354a00023f79 147 WriteReg(0x82, 0x88);
edodm85 2:354a00023f79 148 WriteReg(0x83, 0x8f);
edodm85 2:354a00023f79 149 WriteReg(0x84, 0x96);
edodm85 2:354a00023f79 150 WriteReg(0x85, 0xa3);
edodm85 2:354a00023f79 151 WriteReg(0x86, 0xaf);
edodm85 2:354a00023f79 152 WriteReg(0x87, 0xc4);
edodm85 2:354a00023f79 153 WriteReg(0x88, 0xd7);
edodm85 2:354a00023f79 154 WriteReg(0x89, 0xe8);
edodm85 2:354a00023f79 155
edodm85 2:354a00023f79 156 WriteReg(0x13, 0xe0);
edodm85 2:354a00023f79 157 WriteReg(0x00, 0x00);
edodm85 2:354a00023f79 158 WriteReg(0x10, 0x00);
edodm85 2:354a00023f79 159 WriteReg(0x0d, 0x40);
edodm85 2:354a00023f79 160 WriteReg(0x14, 0x18);
edodm85 2:354a00023f79 161 WriteReg(0xa5, 0x05);
edodm85 2:354a00023f79 162 WriteReg(0xab, 0x07);
edodm85 2:354a00023f79 163 WriteReg(0x24, 0x95);
edodm85 2:354a00023f79 164 WriteReg(0x25, 0x33);
edodm85 2:354a00023f79 165 WriteReg(0x26, 0xe3);
edodm85 2:354a00023f79 166 WriteReg(0x9f, 0x78);
edodm85 2:354a00023f79 167 WriteReg(0xa0, 0x68);
edodm85 2:354a00023f79 168 WriteReg(0xa1, 0x03);
edodm85 2:354a00023f79 169 WriteReg(0xa6, 0xd8);
edodm85 2:354a00023f79 170 WriteReg(0xa7, 0xd8);
edodm85 2:354a00023f79 171 WriteReg(0xa8, 0xf0);
edodm85 2:354a00023f79 172 WriteReg(0xa9, 0x90);
edodm85 2:354a00023f79 173 WriteReg(0xaa, 0x94);
edodm85 2:354a00023f79 174 WriteReg(0x13, 0xe5);
edodm85 2:354a00023f79 175
edodm85 2:354a00023f79 176 WriteReg(0x0e, 0x61);
edodm85 2:354a00023f79 177 WriteReg(0x0f, 0x4b);
edodm85 2:354a00023f79 178 WriteReg(0x16, 0x02);
edodm85 2:354a00023f79 179
edodm85 2:354a00023f79 180 WriteReg(0x21, 0x02);
edodm85 2:354a00023f79 181 WriteReg(0x22, 0x91);
edodm85 2:354a00023f79 182 WriteReg(0x29, 0x07);
edodm85 2:354a00023f79 183 WriteReg(0x33, 0x0b);
edodm85 2:354a00023f79 184 WriteReg(0x35, 0x0b);
edodm85 2:354a00023f79 185 WriteReg(0x37, 0x1d);
edodm85 2:354a00023f79 186 WriteReg(0x38, 0x71);
edodm85 2:354a00023f79 187 WriteReg(0x39, 0x2a);
edodm85 2:354a00023f79 188 WriteReg(0x3c, 0x78);
edodm85 2:354a00023f79 189 WriteReg(0x4d, 0x40);
edodm85 2:354a00023f79 190 WriteReg(0x4e, 0x20);
edodm85 2:354a00023f79 191 WriteReg(0x69, 0x00);
edodm85 2:354a00023f79 192
edodm85 2:354a00023f79 193 WriteReg(0x74, 0x10);
edodm85 2:354a00023f79 194 WriteReg(0x8d, 0x4f);
edodm85 2:354a00023f79 195 WriteReg(0x8e, 0x00);
edodm85 2:354a00023f79 196 WriteReg(0x8f, 0x00);
edodm85 2:354a00023f79 197 WriteReg(0x90, 0x00);
edodm85 2:354a00023f79 198 WriteReg(0x91, 0x00);
edodm85 2:354a00023f79 199 WriteReg(0x92, 0x00);
edodm85 2:354a00023f79 200
edodm85 2:354a00023f79 201 WriteReg(0x96, 0x00);
edodm85 2:354a00023f79 202 WriteReg(0x9a, 0x80);
edodm85 2:354a00023f79 203 WriteReg(0xb0, 0x84);
edodm85 2:354a00023f79 204 WriteReg(0xb1, 0x0c);
edodm85 2:354a00023f79 205 WriteReg(0xb2, 0x0e);
edodm85 2:354a00023f79 206 WriteReg(0xb3, 0x82);
edodm85 2:354a00023f79 207 WriteReg(0xb8, 0x0a);
edodm85 2:354a00023f79 208
edodm85 2:354a00023f79 209 WriteReg(0x43, 0x0a);
edodm85 2:354a00023f79 210 WriteReg(0x44, 0xf0);
edodm85 2:354a00023f79 211 WriteReg(0x45, 0x34);
edodm85 2:354a00023f79 212 WriteReg(0x46, 0x58);
edodm85 2:354a00023f79 213 WriteReg(0x47, 0x28);
edodm85 2:354a00023f79 214 WriteReg(0x48, 0x3a);
edodm85 2:354a00023f79 215 WriteReg(0x59, 0x88);
edodm85 2:354a00023f79 216 WriteReg(0x5a, 0x88);
edodm85 2:354a00023f79 217 WriteReg(0x5b, 0x44);
edodm85 2:354a00023f79 218 WriteReg(0x5c, 0x67);
edodm85 2:354a00023f79 219 WriteReg(0x5d, 0x49);
edodm85 2:354a00023f79 220 WriteReg(0x5e, 0x0e);
edodm85 2:354a00023f79 221 WriteReg(0x64, 0x04);
edodm85 2:354a00023f79 222 WriteReg(0x65, 0x20);
edodm85 2:354a00023f79 223 WriteReg(0x66, 0x05);
edodm85 2:354a00023f79 224 WriteReg(0x94, 0x04);
edodm85 2:354a00023f79 225 WriteReg(0x95, 0x08);
edodm85 2:354a00023f79 226
edodm85 2:354a00023f79 227 WriteReg(0x6c, 0x0a);
edodm85 2:354a00023f79 228 WriteReg(0x6d, 0x55);
edodm85 2:354a00023f79 229 WriteReg(0x6e, 0x11);
edodm85 2:354a00023f79 230 WriteReg(0x6f, 0x9f);
edodm85 2:354a00023f79 231 WriteReg(0x6a, 0x40);
edodm85 2:354a00023f79 232 WriteReg(0x01, 0x40);
edodm85 2:354a00023f79 233 WriteReg(0x02, 0x40);
edodm85 2:354a00023f79 234 WriteReg(0x13, 0xe7);
edodm85 2:354a00023f79 235 WriteReg(0x15, 0x02);
edodm85 2:354a00023f79 236
edodm85 2:354a00023f79 237 WriteReg(0x4f, 0x80);
edodm85 2:354a00023f79 238 WriteReg(0x50, 0x80);
edodm85 2:354a00023f79 239 WriteReg(0x51, 0x00);
edodm85 2:354a00023f79 240 WriteReg(0x52, 0x22);
edodm85 2:354a00023f79 241 WriteReg(0x53, 0x5e);
edodm85 2:354a00023f79 242 WriteReg(0x54, 0x80);
edodm85 2:354a00023f79 243 WriteReg(0x58, 0x9e);
edodm85 2:354a00023f79 244
edodm85 2:354a00023f79 245 WriteReg(0x41, 0x08);
edodm85 2:354a00023f79 246 WriteReg(0x3f, 0x00);
edodm85 2:354a00023f79 247 WriteReg(0x75, 0x05);
edodm85 2:354a00023f79 248 WriteReg(0x76, 0xe1);
edodm85 2:354a00023f79 249 WriteReg(0x4c, 0x00);
edodm85 2:354a00023f79 250 WriteReg(0x77, 0x01);
edodm85 2:354a00023f79 251 WriteReg(0x3d, 0xc1);
edodm85 2:354a00023f79 252 WriteReg(0x4b, 0x09);
edodm85 2:354a00023f79 253 WriteReg(0xc9, 0x60);
edodm85 2:354a00023f79 254 WriteReg(0x41, 0x38);
edodm85 2:354a00023f79 255 WriteReg(0x56, 0x40);
edodm85 2:354a00023f79 256
edodm85 2:354a00023f79 257 WriteReg(0x34, 0x11);
edodm85 2:354a00023f79 258 WriteReg(0x3b, 0x02);
edodm85 2:354a00023f79 259 WriteReg(0xa4, 0x88);
edodm85 2:354a00023f79 260 WriteReg(0x96, 0x00);
edodm85 2:354a00023f79 261 WriteReg(0x97, 0x30);
edodm85 2:354a00023f79 262 WriteReg(0x98, 0x20);
edodm85 2:354a00023f79 263 WriteReg(0x99, 0x30);
edodm85 2:354a00023f79 264 WriteReg(0x9a, 0x84);
edodm85 2:354a00023f79 265 WriteReg(0x9b, 0x29);
edodm85 2:354a00023f79 266 WriteReg(0x9c, 0x03);
edodm85 2:354a00023f79 267 WriteReg(0x9d, 0x4c);
edodm85 2:354a00023f79 268 WriteReg(0x9e, 0x3f);
edodm85 2:354a00023f79 269 WriteReg(0x78, 0x04);
edodm85 2:354a00023f79 270
edodm85 2:354a00023f79 271 WriteReg(0x79, 0x01);
edodm85 2:354a00023f79 272 WriteReg(0xc8, 0xf0);
edodm85 2:354a00023f79 273 WriteReg(0x79, 0x0f);
edodm85 2:354a00023f79 274 WriteReg(0xc8, 0x00);
edodm85 2:354a00023f79 275 WriteReg(0x79, 0x10);
edodm85 2:354a00023f79 276 WriteReg(0xc8, 0x7e);
edodm85 2:354a00023f79 277 WriteReg(0x79, 0x0a);
edodm85 2:354a00023f79 278 WriteReg(0xc8, 0x80);
edodm85 2:354a00023f79 279 WriteReg(0x79, 0x0b);
edodm85 2:354a00023f79 280 WriteReg(0xc8, 0x01);
edodm85 2:354a00023f79 281 WriteReg(0x79, 0x0c);
edodm85 2:354a00023f79 282 WriteReg(0xc8, 0x0f);
edodm85 2:354a00023f79 283 WriteReg(0x79, 0x0d);
edodm85 2:354a00023f79 284 WriteReg(0xc8, 0x20);
edodm85 2:354a00023f79 285 WriteReg(0x79, 0x09);
edodm85 2:354a00023f79 286 WriteReg(0xc8, 0x80);
edodm85 2:354a00023f79 287 WriteReg(0x79, 0x02);
edodm85 2:354a00023f79 288 WriteReg(0xc8, 0xc0);
edodm85 2:354a00023f79 289 WriteReg(0x79, 0x03);
edodm85 2:354a00023f79 290 WriteReg(0xc8, 0x40);
edodm85 2:354a00023f79 291 WriteReg(0x79, 0x05);
edodm85 2:354a00023f79 292 WriteReg(0xc8, 0x30);
edodm85 2:354a00023f79 293 WriteReg(0x79, 0x26);
edodm85 2:354a00023f79 294 WriteReg(0x09, 0x03);
edodm85 2:354a00023f79 295 WriteReg(0x3b, 0x42);
edodm85 2:354a00023f79 296
edodm85 2:354a00023f79 297 WriteReg(0xff, 0xff); /* END MARKER */
edodm85 2:354a00023f79 298
edodm85 1:d82dbad9c06b 299 }
edodm85 1:d82dbad9c06b 300 if(n == 76800) // 320*240
edodm85 1:d82dbad9c06b 301 {
edodm85 1:d82dbad9c06b 302 WriteReg(REG_COM14, 0x19);
edodm85 1:d82dbad9c06b 303 WriteReg(0x72, 0x11);
edodm85 1:d82dbad9c06b 304 WriteReg(0x73, 0xf1);
edodm85 2:354a00023f79 305 WriteReg(REG_HREF, 0x24);
edodm85 2:354a00023f79 306 WriteReg(REG_HSTART, 0x16);
edodm85 2:354a00023f79 307 WriteReg(REG_HSTOP, 0x04);
edodm85 2:354a00023f79 308 WriteReg(REG_VREF, 0x0a);
edodm85 1:d82dbad9c06b 309 WriteReg(REG_VSTART,0x02);
edodm85 2:354a00023f79 310 WriteReg(REG_VSTOP, 0x7a);
edodm85 2:354a00023f79 311
edodm85 2:354a00023f79 312 WriteReg(0x7a, 0x20);
edodm85 2:354a00023f79 313 WriteReg(0x7b, 0x1c);
edodm85 2:354a00023f79 314 WriteReg(0x7c, 0x28);
edodm85 2:354a00023f79 315 WriteReg(0x7d, 0x3c);
edodm85 2:354a00023f79 316 WriteReg(0x7e, 0x55);
edodm85 2:354a00023f79 317 WriteReg(0x7f, 0x68);
edodm85 2:354a00023f79 318 WriteReg(0x80, 0x76);
edodm85 2:354a00023f79 319 WriteReg(0x81, 0x80);
edodm85 2:354a00023f79 320 WriteReg(0x82, 0x88);
edodm85 2:354a00023f79 321 WriteReg(0x83, 0x8f);
edodm85 2:354a00023f79 322 WriteReg(0x84, 0x96);
edodm85 2:354a00023f79 323 WriteReg(0x85, 0xa3);
edodm85 2:354a00023f79 324 WriteReg(0x86, 0xaf);
edodm85 2:354a00023f79 325 WriteReg(0x87, 0xc4);
edodm85 2:354a00023f79 326 WriteReg(0x88, 0xd7);
edodm85 2:354a00023f79 327 WriteReg(0x89, 0xe8);
edodm85 2:354a00023f79 328
edodm85 2:354a00023f79 329 WriteReg(0x13, 0xe0);
edodm85 2:354a00023f79 330 WriteReg(0x00, 0x00);
edodm85 2:354a00023f79 331 WriteReg(0x10, 0x00);
edodm85 2:354a00023f79 332 WriteReg(0x0d, 0x00);
edodm85 2:354a00023f79 333 WriteReg(0x14, 0x28);
edodm85 2:354a00023f79 334 WriteReg(0xa5, 0x05);
edodm85 2:354a00023f79 335 WriteReg(0xab, 0x07);
edodm85 2:354a00023f79 336 WriteReg(0x24, 0x75);
edodm85 2:354a00023f79 337 WriteReg(0x25, 0x63);
edodm85 2:354a00023f79 338 WriteReg(0x26, 0xA5);
edodm85 2:354a00023f79 339 WriteReg(0x9f, 0x78);
edodm85 2:354a00023f79 340 WriteReg(0xa0, 0x68);
edodm85 2:354a00023f79 341 WriteReg(0xa1, 0x03);
edodm85 2:354a00023f79 342 WriteReg(0xa6, 0xdf);
edodm85 2:354a00023f79 343 WriteReg(0xa7, 0xdf);
edodm85 2:354a00023f79 344 WriteReg(0xa8, 0xf0);
edodm85 2:354a00023f79 345 WriteReg(0xa9, 0x90);
edodm85 2:354a00023f79 346 WriteReg(0xaa, 0x94);
edodm85 2:354a00023f79 347 WriteReg(0x13, 0xe5);
edodm85 2:354a00023f79 348
edodm85 2:354a00023f79 349 WriteReg(0x0e, 0x61);
edodm85 2:354a00023f79 350 WriteReg(0x0f, 0x4b);
edodm85 2:354a00023f79 351 WriteReg(0x16, 0x02);
edodm85 2:354a00023f79 352 WriteReg(0x21, 0x02);
edodm85 2:354a00023f79 353 WriteReg(0x22, 0x91);
edodm85 2:354a00023f79 354 WriteReg(0x29, 0x07);
edodm85 2:354a00023f79 355 WriteReg(0x33, 0x0b);
edodm85 2:354a00023f79 356 WriteReg(0x35, 0x0b);
edodm85 2:354a00023f79 357 WriteReg(0x37, 0x1d);
edodm85 2:354a00023f79 358 WriteReg(0x38, 0x71);
edodm85 2:354a00023f79 359 WriteReg(0x39, 0x2a);
edodm85 2:354a00023f79 360 WriteReg(0x3c, 0x78);
edodm85 2:354a00023f79 361 WriteReg(0x4d, 0x40);
edodm85 2:354a00023f79 362 WriteReg(0x4e, 0x20);
edodm85 2:354a00023f79 363 WriteReg(0x69, 0x00);
edodm85 2:354a00023f79 364 WriteReg(0x6b, 0x00);
edodm85 2:354a00023f79 365 WriteReg(0x74, 0x19);
edodm85 2:354a00023f79 366 WriteReg(0x8d, 0x4f);
edodm85 2:354a00023f79 367 WriteReg(0x8e, 0x00);
edodm85 2:354a00023f79 368 WriteReg(0x8f, 0x00);
edodm85 2:354a00023f79 369 WriteReg(0x90, 0x00);
edodm85 2:354a00023f79 370 WriteReg(0x91, 0x00);
edodm85 2:354a00023f79 371 WriteReg(0x92, 0x00);
edodm85 2:354a00023f79 372 WriteReg(0x96, 0x00);
edodm85 2:354a00023f79 373 WriteReg(0x9a, 0x80);
edodm85 2:354a00023f79 374 WriteReg(0xb0, 0x84);
edodm85 2:354a00023f79 375 WriteReg(0xb1, 0x0c);
edodm85 2:354a00023f79 376 WriteReg(0xb2, 0x0e);
edodm85 2:354a00023f79 377 WriteReg(0xb3, 0x82);
edodm85 2:354a00023f79 378 WriteReg(0xb8, 0x0a);
edodm85 2:354a00023f79 379 WriteReg(0x43, 0x14);
edodm85 2:354a00023f79 380 WriteReg(0x44, 0xf0);
edodm85 2:354a00023f79 381 WriteReg(0x45, 0x34);
edodm85 2:354a00023f79 382 WriteReg(0x46, 0x58);
edodm85 2:354a00023f79 383 WriteReg(0x47, 0x28);
edodm85 2:354a00023f79 384 WriteReg(0x48, 0x3a);
edodm85 2:354a00023f79 385 WriteReg(0x59, 0x88);
edodm85 2:354a00023f79 386 WriteReg(0x5a, 0x88);
edodm85 2:354a00023f79 387 WriteReg(0x5b, 0x44);
edodm85 2:354a00023f79 388 WriteReg(0x5c, 0x67);
edodm85 2:354a00023f79 389 WriteReg(0x5d, 0x49);
edodm85 2:354a00023f79 390 WriteReg(0x5e, 0x0e);
edodm85 2:354a00023f79 391 WriteReg(0x64, 0x04);
edodm85 2:354a00023f79 392 WriteReg(0x65, 0x20);
edodm85 2:354a00023f79 393 WriteReg(0x66, 0x05);
edodm85 2:354a00023f79 394 WriteReg(0x94, 0x04);
edodm85 2:354a00023f79 395 WriteReg(0x95, 0x08);
edodm85 2:354a00023f79 396 WriteReg(0x6c, 0x0a);
edodm85 2:354a00023f79 397 WriteReg(0x6d, 0x55);
edodm85 2:354a00023f79 398 WriteReg(0x6e, 0x11);
edodm85 2:354a00023f79 399 WriteReg(0x6f, 0x9f);
edodm85 2:354a00023f79 400 WriteReg(0x6a, 0x40);
edodm85 2:354a00023f79 401 WriteReg(0x01, 0x40);
edodm85 2:354a00023f79 402 WriteReg(0x02, 0x40);
edodm85 2:354a00023f79 403 WriteReg(0x13, 0xe7);
edodm85 2:354a00023f79 404 WriteReg(0x15, 0x02);
edodm85 2:354a00023f79 405 WriteReg(0x4f, 0x80);
edodm85 2:354a00023f79 406 WriteReg(0x50, 0x80);
edodm85 2:354a00023f79 407 WriteReg(0x51, 0x00);
edodm85 2:354a00023f79 408 WriteReg(0x52, 0x22);
edodm85 2:354a00023f79 409 WriteReg(0x53, 0x5e);
edodm85 2:354a00023f79 410 WriteReg(0x54, 0x80);
edodm85 2:354a00023f79 411 WriteReg(0x58, 0x9e);
edodm85 2:354a00023f79 412 WriteReg(0x41, 0x08);
edodm85 2:354a00023f79 413 WriteReg(0x3f, 0x00);
edodm85 2:354a00023f79 414 WriteReg(0x75, 0x05);
edodm85 2:354a00023f79 415 WriteReg(0x76, 0xe1);
edodm85 2:354a00023f79 416 WriteReg(0x4c, 0x00);
edodm85 2:354a00023f79 417 WriteReg(0x77, 0x01);
edodm85 2:354a00023f79 418 WriteReg(0x3d, 0xc2);
edodm85 2:354a00023f79 419 WriteReg(0x4b, 0x09);
edodm85 2:354a00023f79 420 WriteReg(0xc9, 0x60);
edodm85 2:354a00023f79 421 WriteReg(0x41, 0x38);
edodm85 2:354a00023f79 422 WriteReg(0x56, 0x40);
edodm85 2:354a00023f79 423 WriteReg(0x34, 0x11);
edodm85 2:354a00023f79 424 WriteReg(0x3b, 0x02);
edodm85 2:354a00023f79 425 WriteReg(0xa4, 0x89);
edodm85 2:354a00023f79 426 WriteReg(0x96, 0x00);
edodm85 2:354a00023f79 427 WriteReg(0x97, 0x30);
edodm85 2:354a00023f79 428 WriteReg(0x98, 0x20);
edodm85 2:354a00023f79 429 WriteReg(0x99, 0x30);
edodm85 2:354a00023f79 430 WriteReg(0x9a, 0x84);
edodm85 2:354a00023f79 431 WriteReg(0x9b, 0x29);
edodm85 2:354a00023f79 432 WriteReg(0x9c, 0x03);
edodm85 2:354a00023f79 433 WriteReg(0x9d, 0x4c);
edodm85 2:354a00023f79 434 WriteReg(0x9e, 0x3f);
edodm85 2:354a00023f79 435 WriteReg(0x78, 0x04);
edodm85 2:354a00023f79 436 WriteReg(0x79, 0x01);
edodm85 2:354a00023f79 437 WriteReg(0xc8, 0xf0);
edodm85 2:354a00023f79 438 WriteReg(0x79, 0x0f);
edodm85 2:354a00023f79 439 WriteReg(0xc8, 0x00);
edodm85 2:354a00023f79 440 WriteReg(0x79, 0x10);
edodm85 2:354a00023f79 441 WriteReg(0xc8, 0x7e);
edodm85 2:354a00023f79 442 WriteReg(0x79, 0x0a);
edodm85 2:354a00023f79 443 WriteReg(0xc8, 0x80);
edodm85 2:354a00023f79 444 WriteReg(0x79, 0x0b);
edodm85 2:354a00023f79 445 WriteReg(0xc8, 0x01);
edodm85 2:354a00023f79 446 WriteReg(0x79, 0x0c);
edodm85 2:354a00023f79 447 WriteReg(0xc8, 0x0f);
edodm85 2:354a00023f79 448 WriteReg(0x79, 0x0d);
edodm85 2:354a00023f79 449 WriteReg(0xc8, 0x20);
edodm85 2:354a00023f79 450 WriteReg(0x79, 0x09);
edodm85 2:354a00023f79 451 WriteReg(0xc8, 0x80);
edodm85 2:354a00023f79 452 WriteReg(0x79, 0x02);
edodm85 2:354a00023f79 453 WriteReg(0xc8, 0xc0);
edodm85 2:354a00023f79 454 WriteReg(0x79, 0x03);
edodm85 2:354a00023f79 455 WriteReg(0xc8, 0x40);
edodm85 2:354a00023f79 456 WriteReg(0x79, 0x05);
edodm85 2:354a00023f79 457 WriteReg(0xc8, 0x30);
edodm85 2:354a00023f79 458 WriteReg(0x79, 0x26);
edodm85 2:354a00023f79 459 WriteReg(0x09, 0x03);
edodm85 2:354a00023f79 460 WriteReg(0x3b, 0x42);
edodm85 2:354a00023f79 461
edodm85 2:354a00023f79 462 WriteReg(0xff, 0xff); /* END MARKER */
edodm85 2:354a00023f79 463
edodm85 1:d82dbad9c06b 464 }
edodm85 1:d82dbad9c06b 465 if(n == 307200) // 640*480
edodm85 1:d82dbad9c06b 466 {
edodm85 2:354a00023f79 467 WriteReg(REG_CLKRC, 0x01);
edodm85 2:354a00023f79 468 WriteReg(REG_TSLB, 0x04);
edodm85 2:354a00023f79 469 WriteReg(REG_COM7, 0x01);
edodm85 2:354a00023f79 470 WriteReg(DBLV, 0x4a);
edodm85 2:354a00023f79 471 WriteReg(REG_COM3, 0);
edodm85 2:354a00023f79 472 WriteReg(REG_COM14, 0);
edodm85 2:354a00023f79 473
edodm85 2:354a00023f79 474 WriteReg(REG_HSTART, 0x13);
edodm85 2:354a00023f79 475 WriteReg(REG_HSTOP, 0x01);
edodm85 2:354a00023f79 476 WriteReg(REG_HREF, 0xb6);
edodm85 2:354a00023f79 477 WriteReg(REG_VSTART, 0x02);
edodm85 2:354a00023f79 478 WriteReg(REG_VSTOP, 0x7a);
edodm85 2:354a00023f79 479 WriteReg(REG_VREF, 0x0a);
edodm85 2:354a00023f79 480 WriteReg(0x72, 0x11);
edodm85 2:354a00023f79 481 WriteReg(0x73, 0xf0);
edodm85 2:354a00023f79 482
edodm85 2:354a00023f79 483 /* Gamma curve values */
edodm85 2:354a00023f79 484 WriteReg(0x7a, 0x20);
edodm85 2:354a00023f79 485 WriteReg(0x7b, 0x10);
edodm85 2:354a00023f79 486 WriteReg(0x7c, 0x1e);
edodm85 2:354a00023f79 487 WriteReg(0x7d, 0x35);
edodm85 2:354a00023f79 488 WriteReg(0x7e, 0x5a);
edodm85 2:354a00023f79 489 WriteReg(0x7f, 0x69);
edodm85 2:354a00023f79 490 WriteReg(0x80, 0x76);
edodm85 2:354a00023f79 491 WriteReg(0x81, 0x80);
edodm85 2:354a00023f79 492 WriteReg(0x82, 0x88);
edodm85 2:354a00023f79 493 WriteReg(0x83, 0x8f);
edodm85 2:354a00023f79 494 WriteReg(0x84, 0x96);
edodm85 2:354a00023f79 495 WriteReg(0x85, 0xa3);
edodm85 2:354a00023f79 496 WriteReg(0x86, 0xaf);
edodm85 2:354a00023f79 497 WriteReg(0x87, 0xc4);
edodm85 2:354a00023f79 498 WriteReg(0x88, 0xd7);
edodm85 2:354a00023f79 499 WriteReg(0x89, 0xe8);
edodm85 2:354a00023f79 500
edodm85 2:354a00023f79 501 /* AGC and AEC parameters. Note we start by disabling those features,
edodm85 2:354a00023f79 502 then turn them only after tweaking the values. */
edodm85 2:354a00023f79 503 WriteReg(0x13, COM8_FASTAEC | COM8_AECSTEP | COM8_BFILT);
edodm85 2:354a00023f79 504 WriteReg(0x00, 0);
edodm85 2:354a00023f79 505 WriteReg(0x10, 0);
edodm85 2:354a00023f79 506 WriteReg(0x0d, 0x40);
edodm85 2:354a00023f79 507 WriteReg(0x14, 0x18);
edodm85 2:354a00023f79 508 WriteReg(0xa5, 0x05);
edodm85 2:354a00023f79 509 WriteReg(0xab, 0x07);
edodm85 2:354a00023f79 510 WriteReg(0x24, 0x95);
edodm85 2:354a00023f79 511 WriteReg(0x25, 0x33);
edodm85 2:354a00023f79 512 WriteReg(0x26, 0xe3);
edodm85 2:354a00023f79 513 WriteReg(0x9f, 0x78);
edodm85 2:354a00023f79 514 WriteReg(0xa0, 0x68);
edodm85 2:354a00023f79 515 WriteReg(0xa1, 0x03);
edodm85 2:354a00023f79 516 WriteReg(0xa6, 0xd8);
edodm85 2:354a00023f79 517 WriteReg(0xa7, 0xd8);
edodm85 2:354a00023f79 518 WriteReg(0xa8, 0xf0);
edodm85 2:354a00023f79 519 WriteReg(0xa9, 0x90);
edodm85 2:354a00023f79 520 WriteReg(0xaa, 0x94);
edodm85 2:354a00023f79 521 WriteReg(0x13, COM8_FASTAEC|COM8_AECSTEP|COM8_BFILT|COM8_AGC|COM8_AEC);
edodm85 2:354a00023f79 522
edodm85 2:354a00023f79 523 /* Almost all of these are magic "reserved" values. */
edodm85 2:354a00023f79 524 WriteReg(0x0e, 0x61);
edodm85 2:354a00023f79 525 WriteReg(0x0f, 0x4b);
edodm85 2:354a00023f79 526 WriteReg(0x16, 0x02);
edodm85 2:354a00023f79 527 WriteReg(0x1e, 0x27);
edodm85 2:354a00023f79 528 WriteReg(0x21, 0x02);
edodm85 2:354a00023f79 529 WriteReg(0x22, 0x91);
edodm85 2:354a00023f79 530 WriteReg(0x29, 0x07);
edodm85 2:354a00023f79 531 WriteReg(0x33, 0x0b);
edodm85 2:354a00023f79 532 WriteReg(0x35, 0x0b);
edodm85 2:354a00023f79 533 WriteReg(0x37, 0x1d);
edodm85 2:354a00023f79 534 WriteReg(0x38, 0x71);
edodm85 2:354a00023f79 535 WriteReg(0x39, 0x2a);
edodm85 2:354a00023f79 536 WriteReg(0x3c, 0x78);
edodm85 2:354a00023f79 537 WriteReg(0x4d, 0x40);
edodm85 2:354a00023f79 538 WriteReg(0x4e, 0x20);
edodm85 2:354a00023f79 539 WriteReg(0x69, 0);
edodm85 2:354a00023f79 540 WriteReg(0x6b, 0x0a);
edodm85 2:354a00023f79 541 WriteReg(0x74, 0x10);
edodm85 2:354a00023f79 542 WriteReg(0x8d, 0x4f);
edodm85 2:354a00023f79 543 WriteReg(0x8e, 0);
edodm85 2:354a00023f79 544 WriteReg(0x8f, 0);
edodm85 2:354a00023f79 545 WriteReg(0x90, 0);
edodm85 2:354a00023f79 546 WriteReg(0x91, 0);
edodm85 2:354a00023f79 547 WriteReg(0x96, 0);
edodm85 2:354a00023f79 548 WriteReg(0x9a, 0);
edodm85 2:354a00023f79 549 WriteReg(0xb0, 0x84);
edodm85 2:354a00023f79 550 WriteReg(0xb1, 0x0c);
edodm85 2:354a00023f79 551 WriteReg(0xb2, 0x0e);
edodm85 2:354a00023f79 552 WriteReg(0xb3, 0x82);
edodm85 2:354a00023f79 553 WriteReg(0xb8, 0x0a);
edodm85 2:354a00023f79 554
edodm85 2:354a00023f79 555 /* More reserved magic, some of which tweaks white balance */
edodm85 2:354a00023f79 556 WriteReg(0x43, 0x0a);
edodm85 2:354a00023f79 557 WriteReg(0x44, 0xf0);
edodm85 2:354a00023f79 558 WriteReg(0x45, 0x34);
edodm85 2:354a00023f79 559 WriteReg(0x46, 0x58);
edodm85 2:354a00023f79 560 WriteReg(0x47, 0x28);
edodm85 2:354a00023f79 561 WriteReg(0x48, 0x3a);
edodm85 2:354a00023f79 562 WriteReg(0x59, 0x88);
edodm85 2:354a00023f79 563 WriteReg(0x5a, 0x88);
edodm85 2:354a00023f79 564 WriteReg(0x5b, 0x44);
edodm85 2:354a00023f79 565 WriteReg(0x5c, 0x67);
edodm85 2:354a00023f79 566 WriteReg(0x5d, 0x49);
edodm85 2:354a00023f79 567 WriteReg(0x5e, 0x0e);
edodm85 2:354a00023f79 568 WriteReg(0x6c, 0x0a);
edodm85 2:354a00023f79 569 WriteReg(0x6d, 0x55);
edodm85 2:354a00023f79 570 WriteReg(0x6e, 0x11);
edodm85 2:354a00023f79 571 WriteReg(0x6f, 0x9f);
edodm85 2:354a00023f79 572 WriteReg(0x6a, 0x40);
edodm85 2:354a00023f79 573 WriteReg(0x01, 0x40);
edodm85 2:354a00023f79 574 WriteReg(0x02, 0x60);
edodm85 2:354a00023f79 575 WriteReg(0x13, COM8_FASTAEC|COM8_AECSTEP|COM8_BFILT|COM8_AGC|COM8_AEC|COM8_AWB);
edodm85 2:354a00023f79 576
edodm85 2:354a00023f79 577 /* Matrix coefficients */
edodm85 2:354a00023f79 578 WriteReg(0x4f, 0x80);
edodm85 2:354a00023f79 579 WriteReg(0x50, 0x80);
edodm85 2:354a00023f79 580 WriteReg(0x51, 0);
edodm85 2:354a00023f79 581 WriteReg(0x52, 0x22);
edodm85 2:354a00023f79 582 WriteReg(0x53, 0x5e);
edodm85 2:354a00023f79 583 WriteReg(0x54, 0x80);
edodm85 2:354a00023f79 584 WriteReg(0x58, 0x9e);
edodm85 2:354a00023f79 585
edodm85 2:354a00023f79 586 WriteReg(0x41, 0x08);
edodm85 2:354a00023f79 587 WriteReg(0x3f, 0);
edodm85 2:354a00023f79 588 WriteReg(0x75, 0x05);
edodm85 2:354a00023f79 589 WriteReg(0x76, 0xe1);
edodm85 2:354a00023f79 590 WriteReg(0x4c, 0);
edodm85 2:354a00023f79 591 WriteReg(0x77, 0x01);
edodm85 2:354a00023f79 592 WriteReg(0x3d, 0xc3);
edodm85 2:354a00023f79 593 WriteReg(0x4b, 0x09);
edodm85 2:354a00023f79 594 WriteReg(0xc9, 0x60);
edodm85 2:354a00023f79 595 WriteReg(0x41, 0x38);
edodm85 2:354a00023f79 596 WriteReg(0x56, 0x40);
edodm85 2:354a00023f79 597
edodm85 2:354a00023f79 598 WriteReg(0x34, 0x11);
edodm85 2:354a00023f79 599 WriteReg(0x3b, COM11_EXP|COM11_HZAUTO);
edodm85 2:354a00023f79 600 WriteReg(0xa4, 0x88);
edodm85 2:354a00023f79 601 WriteReg(0x96, 0);
edodm85 2:354a00023f79 602 WriteReg(0x97, 0x30);
edodm85 2:354a00023f79 603 WriteReg(0x98, 0x20);
edodm85 2:354a00023f79 604 WriteReg(0x99, 0x30);
edodm85 2:354a00023f79 605 WriteReg(0x9a, 0x84);
edodm85 2:354a00023f79 606 WriteReg(0x9b, 0x29);
edodm85 2:354a00023f79 607 WriteReg(0x9c, 0x03);
edodm85 2:354a00023f79 608 WriteReg(0x9d, 0x4c);
edodm85 2:354a00023f79 609 WriteReg(0x9e, 0x3f);
edodm85 2:354a00023f79 610 WriteReg(0x78, 0x04);
edodm85 2:354a00023f79 611
edodm85 2:354a00023f79 612 /* Extra-weird stuff. Some sort of multiplexor register */
edodm85 2:354a00023f79 613 WriteReg(0x79, 0x01);
edodm85 2:354a00023f79 614 WriteReg(0xc8, 0xf0);
edodm85 2:354a00023f79 615 WriteReg(0x79, 0x0f);
edodm85 2:354a00023f79 616 WriteReg(0xc8, 0x00);
edodm85 2:354a00023f79 617 WriteReg(0x79, 0x10);
edodm85 2:354a00023f79 618 WriteReg(0xc8, 0x7e);
edodm85 2:354a00023f79 619 WriteReg(0x79, 0x0a);
edodm85 2:354a00023f79 620 WriteReg(0xc8, 0x80);
edodm85 2:354a00023f79 621 WriteReg(0x79, 0x0b);
edodm85 2:354a00023f79 622 WriteReg(0xc8, 0x01);
edodm85 2:354a00023f79 623 WriteReg(0x79, 0x0c);
edodm85 2:354a00023f79 624 WriteReg(0xc8, 0x0f);
edodm85 2:354a00023f79 625 WriteReg(0x79, 0x0d);
edodm85 2:354a00023f79 626 WriteReg(0xc8, 0x20);
edodm85 2:354a00023f79 627 WriteReg(0x79, 0x09);
edodm85 2:354a00023f79 628 WriteReg(0xc8, 0x80);
edodm85 2:354a00023f79 629 WriteReg(0x79, 0x02);
edodm85 2:354a00023f79 630 WriteReg(0xc8, 0xc0);
edodm85 2:354a00023f79 631 WriteReg(0x79, 0x03);
edodm85 2:354a00023f79 632 WriteReg(0xc8, 0x40);
edodm85 2:354a00023f79 633 WriteReg(0x79, 0x05);
edodm85 2:354a00023f79 634 WriteReg(0xc8, 0x30);
edodm85 2:354a00023f79 635 WriteReg(0x79, 0x26);
edodm85 2:354a00023f79 636
edodm85 2:354a00023f79 637 WriteReg(0xff, 0xff); /* END MARKER */
edodm85 1:d82dbad9c06b 638 }
edodm85 1:d82dbad9c06b 639
edodm85 0:810d59d0b843 640 return 1;
edodm85 0:810d59d0b843 641 }
edodm85 0:810d59d0b843 642
edodm85 0:810d59d0b843 643 // vsync handler
edodm85 0:810d59d0b843 644 void OV7670::VsyncHandler(void)
edodm85 0:810d59d0b843 645 {
edodm85 0:810d59d0b843 646
edodm85 0:810d59d0b843 647 // Capture Enable
edodm85 0:810d59d0b843 648 if (CaptureReq) {
edodm85 0:810d59d0b843 649 wen = 1 ;
edodm85 0:810d59d0b843 650 Done = false ;
edodm85 0:810d59d0b843 651 CaptureReq = false ;
edodm85 0:810d59d0b843 652 } else {
edodm85 0:810d59d0b843 653 wen = 0 ;
edodm85 0:810d59d0b843 654 if (Busy) {
edodm85 0:810d59d0b843 655 Busy = false ;
edodm85 0:810d59d0b843 656 Done = true ;
edodm85 0:810d59d0b843 657 }
edodm85 0:810d59d0b843 658 }
edodm85 0:810d59d0b843 659
edodm85 0:810d59d0b843 660 // Hline Counter
edodm85 0:810d59d0b843 661 LastLines = LineCounter ;
edodm85 0:810d59d0b843 662 LineCounter = 0 ;
edodm85 0:810d59d0b843 663 }
edodm85 0:810d59d0b843 664
edodm85 0:810d59d0b843 665 // href handler
edodm85 0:810d59d0b843 666 void OV7670::HrefHandler(void)
edodm85 0:810d59d0b843 667 {
edodm85 0:810d59d0b843 668 LineCounter++ ;
edodm85 0:810d59d0b843 669 }
edodm85 0:810d59d0b843 670
edodm85 0:810d59d0b843 671 // Data Read
edodm85 0:810d59d0b843 672 int OV7670::ReadOnebyte(void)
edodm85 0:810d59d0b843 673 {
edodm85 0:810d59d0b843 674 int B1;
edodm85 0:810d59d0b843 675 rclk = 1;
edodm85 0:810d59d0b843 676 B1 = (((data&0x07800000)>>19)|((data&0x078000)>>15));
edodm85 0:810d59d0b843 677 rclk = 0;
edodm85 0:810d59d0b843 678 return B1;
edodm85 0:810d59d0b843 679 }
edodm85 0:810d59d0b843 680
edodm85 0:810d59d0b843 681 // Data Start read from FIFO
edodm85 0:810d59d0b843 682 void OV7670::ReadStart(void)
edodm85 0:810d59d0b843 683 {
edodm85 0:810d59d0b843 684 rrst = 0 ;
edodm85 0:810d59d0b843 685 oe = 0 ;
edodm85 0:810d59d0b843 686 wait_us(1) ;
edodm85 0:810d59d0b843 687 rclk = 0 ;
edodm85 0:810d59d0b843 688 wait_us(1) ;
edodm85 0:810d59d0b843 689 rclk = 1 ;
edodm85 0:810d59d0b843 690 wait_us(1) ;
edodm85 0:810d59d0b843 691 rrst = 1 ;
edodm85 0:810d59d0b843 692 }
edodm85 0:810d59d0b843 693
edodm85 0:810d59d0b843 694 // Data Stop read from FIFO
edodm85 0:810d59d0b843 695 void OV7670::ReadStop(void)
edodm85 0:810d59d0b843 696 {
edodm85 0:810d59d0b843 697 oe = 1 ;
edodm85 0:810d59d0b843 698 ReadOnebyte() ;
edodm85 0:810d59d0b843 699 rclk = 1 ;
edodm85 0:810d59d0b843 700 }