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camera_api.cpp@5:e32b091aa1fb, 2014-06-05 (annotated)
- Committer:
- backman
- Date:
- Thu Jun 05 10:32:55 2014 +0000
- Revision:
- 5:e32b091aa1fb
- Parent:
- 4:05b21dbca0c7
- Child:
- 6:b046d6ff3745
test commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
backman | 1:82bc25a7b68b | 1 | #include "mbed.h" |
backman | 1:82bc25a7b68b | 2 | #include "camera_api.h" |
backman | 1:82bc25a7b68b | 3 | |
backman | 1:82bc25a7b68b | 4 | #define clk 2 //ms |
backman | 1:82bc25a7b68b | 5 | |
backman | 2:c51647d3c14d | 6 | BX_camera::BX_camera(void){ |
backman | 1:82bc25a7b68b | 7 | |
backman | 2:c51647d3c14d | 8 | line_CamR = new FastAnalogIn(PTD5); |
backman | 2:c51647d3c14d | 9 | line_CamL= new FastAnalogIn(PTD6,0); |
backman | 2:c51647d3c14d | 10 | cam_clk=new DigitalOut(PTE1); |
backman | 2:c51647d3c14d | 11 | si=new DigitalOut(PTD7); |
backman | 4:05b21dbca0c7 | 12 | |
backman | 1:82bc25a7b68b | 13 | } |
backman | 1:82bc25a7b68b | 14 | |
backman | 3:c5f2281b3ed2 | 15 | int BX_camera::black_centerR(void){ |
backman | 4:05b21dbca0c7 | 16 | |
backman | 3:c5f2281b3ed2 | 17 | // find center |
backman | 3:c5f2281b3ed2 | 18 | // case 1 // | // |
backman | 3:c5f2281b3ed2 | 19 | // case 2 / | / |
backman | 3:c5f2281b3ed2 | 20 | |
backman | 3:c5f2281b3ed2 | 21 | char find_type=0x00; |
backman | 3:c5f2281b3ed2 | 22 | |
backman | 3:c5f2281b3ed2 | 23 | int b_end=0; |
backman | 3:c5f2281b3ed2 | 24 | int b_start=0; |
backman | 3:c5f2281b3ed2 | 25 | |
backman | 3:c5f2281b3ed2 | 26 | int b2_end=0; |
backman | 3:c5f2281b3ed2 | 27 | int b2_start=0; |
backman | 3:c5f2281b3ed2 | 28 | |
backman | 3:c5f2281b3ed2 | 29 | |
backman | 3:c5f2281b3ed2 | 30 | int center; |
backman | 3:c5f2281b3ed2 | 31 | int j=64; |
backman | 3:c5f2281b3ed2 | 32 | bool f1=false; |
backman | 3:c5f2281b3ed2 | 33 | bool f2=false; |
backman | 3:c5f2281b3ed2 | 34 | bool f3=false; |
backman | 3:c5f2281b3ed2 | 35 | bool f4=false; |
backman | 3:c5f2281b3ed2 | 36 | |
backman | 3:c5f2281b3ed2 | 37 | |
backman | 3:c5f2281b3ed2 | 38 | if(sign_line_imageR[64]==' ') |
backman | 3:c5f2281b3ed2 | 39 | find_type=0x02; |
backman | 3:c5f2281b3ed2 | 40 | else |
backman | 3:c5f2281b3ed2 | 41 | find_type=0x01; |
backman | 3:c5f2281b3ed2 | 42 | |
backman | 3:c5f2281b3ed2 | 43 | |
backman | 3:c5f2281b3ed2 | 44 | for(int i=64;i<128; i++,j--){ |
backman | 3:c5f2281b3ed2 | 45 | |
backman | 3:c5f2281b3ed2 | 46 | |
backman | 3:c5f2281b3ed2 | 47 | switch(find_type){ |
backman | 3:c5f2281b3ed2 | 48 | |
backman | 3:c5f2281b3ed2 | 49 | |
backman | 3:c5f2281b3ed2 | 50 | case 0x01: |
backman | 3:c5f2281b3ed2 | 51 | |
backman | 3:c5f2281b3ed2 | 52 | if(f1==false&&sign_line_imageR[i]==' '){ |
backman | 3:c5f2281b3ed2 | 53 | if(f1==false){ |
backman | 3:c5f2281b3ed2 | 54 | b_start=i; |
backman | 3:c5f2281b3ed2 | 55 | f1=true; |
backman | 3:c5f2281b3ed2 | 56 | } |
backman | 3:c5f2281b3ed2 | 57 | |
backman | 3:c5f2281b3ed2 | 58 | } |
backman | 3:c5f2281b3ed2 | 59 | if(f1== true&& f2==false&&sign_line_imageR[i]=='O'){ |
backman | 3:c5f2281b3ed2 | 60 | if(f2==false){ |
backman | 3:c5f2281b3ed2 | 61 | b_end=i-1; |
backman | 3:c5f2281b3ed2 | 62 | f2=true; |
backman | 3:c5f2281b3ed2 | 63 | } |
backman | 3:c5f2281b3ed2 | 64 | |
backman | 3:c5f2281b3ed2 | 65 | } |
backman | 3:c5f2281b3ed2 | 66 | |
backman | 3:c5f2281b3ed2 | 67 | if(f3==false&&sign_line_imageR[j]==' '){ |
backman | 3:c5f2281b3ed2 | 68 | if(f3==false){ |
backman | 3:c5f2281b3ed2 | 69 | b2_end=j; |
backman | 3:c5f2281b3ed2 | 70 | f3=true; |
backman | 3:c5f2281b3ed2 | 71 | } |
backman | 3:c5f2281b3ed2 | 72 | |
backman | 3:c5f2281b3ed2 | 73 | } |
backman | 3:c5f2281b3ed2 | 74 | if(f3==true&&f4==false&&sign_line_imageR[j]=='O'){ |
backman | 3:c5f2281b3ed2 | 75 | if(f4==false){ |
backman | 3:c5f2281b3ed2 | 76 | b2_start=j-1; |
backman | 3:c5f2281b3ed2 | 77 | f4=true; |
backman | 3:c5f2281b3ed2 | 78 | } |
backman | 3:c5f2281b3ed2 | 79 | |
backman | 3:c5f2281b3ed2 | 80 | } |
backman | 3:c5f2281b3ed2 | 81 | |
backman | 3:c5f2281b3ed2 | 82 | |
backman | 3:c5f2281b3ed2 | 83 | break; |
backman | 3:c5f2281b3ed2 | 84 | |
backman | 3:c5f2281b3ed2 | 85 | |
backman | 3:c5f2281b3ed2 | 86 | case 0x02: |
backman | 3:c5f2281b3ed2 | 87 | |
backman | 3:c5f2281b3ed2 | 88 | if(sign_line_imageR[i]=='O'){ |
backman | 3:c5f2281b3ed2 | 89 | |
backman | 3:c5f2281b3ed2 | 90 | if(f1==false){ |
backman | 3:c5f2281b3ed2 | 91 | b_end=i; |
backman | 3:c5f2281b3ed2 | 92 | f1=true; |
backman | 3:c5f2281b3ed2 | 93 | } |
backman | 3:c5f2281b3ed2 | 94 | } |
backman | 3:c5f2281b3ed2 | 95 | |
backman | 3:c5f2281b3ed2 | 96 | if(sign_line_imageR[j]=='O'){ |
backman | 3:c5f2281b3ed2 | 97 | |
backman | 3:c5f2281b3ed2 | 98 | if(f2==false){ |
backman | 3:c5f2281b3ed2 | 99 | b_start=j; |
backman | 3:c5f2281b3ed2 | 100 | f2=true; |
backman | 3:c5f2281b3ed2 | 101 | } |
backman | 3:c5f2281b3ed2 | 102 | |
backman | 3:c5f2281b3ed2 | 103 | } |
backman | 3:c5f2281b3ed2 | 104 | |
backman | 3:c5f2281b3ed2 | 105 | |
backman | 3:c5f2281b3ed2 | 106 | break; |
backman | 4:05b21dbca0c7 | 107 | |
backman | 3:c5f2281b3ed2 | 108 | } |
backman | 3:c5f2281b3ed2 | 109 | |
backman | 3:c5f2281b3ed2 | 110 | |
backman | 3:c5f2281b3ed2 | 111 | } |
backman | 3:c5f2281b3ed2 | 112 | |
backman | 3:c5f2281b3ed2 | 113 | |
backman | 3:c5f2281b3ed2 | 114 | switch(find_type){ |
backman | 3:c5f2281b3ed2 | 115 | |
backman | 3:c5f2281b3ed2 | 116 | case 0x01: |
backman | 3:c5f2281b3ed2 | 117 | |
backman | 3:c5f2281b3ed2 | 118 | if((b_end-b_start)>(b2_end-b2_start) ) |
backman | 3:c5f2281b3ed2 | 119 | center=(b_end+b_start)/2; |
backman | 3:c5f2281b3ed2 | 120 | |
backman | 3:c5f2281b3ed2 | 121 | else |
backman | 3:c5f2281b3ed2 | 122 | center=(b2_end+b2_start)/2; |
backman | 3:c5f2281b3ed2 | 123 | break; |
backman | 3:c5f2281b3ed2 | 124 | |
backman | 3:c5f2281b3ed2 | 125 | case 0x02: |
backman | 3:c5f2281b3ed2 | 126 | center=(b_end+b_start)/2; |
backman | 3:c5f2281b3ed2 | 127 | |
backman | 3:c5f2281b3ed2 | 128 | break; |
backman | 3:c5f2281b3ed2 | 129 | } |
backman | 3:c5f2281b3ed2 | 130 | |
backman | 3:c5f2281b3ed2 | 131 | |
backman | 3:c5f2281b3ed2 | 132 | return center; |
backman | 3:c5f2281b3ed2 | 133 | |
backman | 3:c5f2281b3ed2 | 134 | } |
backman | 3:c5f2281b3ed2 | 135 | |
backman | 3:c5f2281b3ed2 | 136 | |
backman | 3:c5f2281b3ed2 | 137 | |
backman | 3:c5f2281b3ed2 | 138 | |
backman | 3:c5f2281b3ed2 | 139 | int BX_camera::black_centerL(void){ |
backman | 3:c5f2281b3ed2 | 140 | |
backman | 3:c5f2281b3ed2 | 141 | // find center |
backman | 3:c5f2281b3ed2 | 142 | // case 1 // | // |
backman | 3:c5f2281b3ed2 | 143 | //case 2 / | / |
backman | 3:c5f2281b3ed2 | 144 | |
backman | 3:c5f2281b3ed2 | 145 | |
backman | 3:c5f2281b3ed2 | 146 | char find_type=0x00; |
backman | 3:c5f2281b3ed2 | 147 | |
backman | 3:c5f2281b3ed2 | 148 | int b_end=0; |
backman | 3:c5f2281b3ed2 | 149 | int b_start=0; |
backman | 3:c5f2281b3ed2 | 150 | int b2_end=0; |
backman | 3:c5f2281b3ed2 | 151 | int b2_start=0; |
backman | 3:c5f2281b3ed2 | 152 | |
backman | 3:c5f2281b3ed2 | 153 | |
backman | 3:c5f2281b3ed2 | 154 | int center; |
backman | 3:c5f2281b3ed2 | 155 | int j=64; |
backman | 3:c5f2281b3ed2 | 156 | bool f1=false; |
backman | 3:c5f2281b3ed2 | 157 | bool f2=false; |
backman | 3:c5f2281b3ed2 | 158 | bool f3=false; |
backman | 3:c5f2281b3ed2 | 159 | bool f4=false; |
backman | 4:05b21dbca0c7 | 160 | |
backman | 3:c5f2281b3ed2 | 161 | if(sign_line_imageL[64]==' ') |
backman | 3:c5f2281b3ed2 | 162 | find_type=0x02; |
backman | 3:c5f2281b3ed2 | 163 | else |
backman | 3:c5f2281b3ed2 | 164 | find_type=0x01; |
backman | 3:c5f2281b3ed2 | 165 | |
backman | 3:c5f2281b3ed2 | 166 | |
backman | 3:c5f2281b3ed2 | 167 | for(int i=64;i<128; i++,j--){ |
backman | 3:c5f2281b3ed2 | 168 | |
backman | 3:c5f2281b3ed2 | 169 | |
backman | 3:c5f2281b3ed2 | 170 | switch(find_type){ |
backman | 3:c5f2281b3ed2 | 171 | |
backman | 3:c5f2281b3ed2 | 172 | |
backman | 3:c5f2281b3ed2 | 173 | case 0x01: |
backman | 3:c5f2281b3ed2 | 174 | |
backman | 3:c5f2281b3ed2 | 175 | if(f1==false&&sign_line_imageL[i]==' '){ |
backman | 3:c5f2281b3ed2 | 176 | if(f1==false){ |
backman | 3:c5f2281b3ed2 | 177 | b_start=i; |
backman | 3:c5f2281b3ed2 | 178 | f1=true; |
backman | 3:c5f2281b3ed2 | 179 | } |
backman | 3:c5f2281b3ed2 | 180 | |
backman | 3:c5f2281b3ed2 | 181 | } |
backman | 3:c5f2281b3ed2 | 182 | if(f1== true&& f2==false&&sign_line_imageL[i]=='O'){ |
backman | 3:c5f2281b3ed2 | 183 | if(f2==false){ |
backman | 3:c5f2281b3ed2 | 184 | b_end=i-1; |
backman | 3:c5f2281b3ed2 | 185 | f2=true; |
backman | 3:c5f2281b3ed2 | 186 | } |
backman | 3:c5f2281b3ed2 | 187 | |
backman | 3:c5f2281b3ed2 | 188 | } |
backman | 3:c5f2281b3ed2 | 189 | |
backman | 3:c5f2281b3ed2 | 190 | if(f3==false&&sign_line_imageL[j]==' '){ |
backman | 3:c5f2281b3ed2 | 191 | if(f3==false){ |
backman | 3:c5f2281b3ed2 | 192 | b2_end=j; |
backman | 3:c5f2281b3ed2 | 193 | f3=true; |
backman | 3:c5f2281b3ed2 | 194 | } |
backman | 3:c5f2281b3ed2 | 195 | |
backman | 3:c5f2281b3ed2 | 196 | } |
backman | 3:c5f2281b3ed2 | 197 | if(f3==true&&f4==false&&sign_line_imageL[j]=='O'){ |
backman | 3:c5f2281b3ed2 | 198 | if(f4==false){ |
backman | 3:c5f2281b3ed2 | 199 | b2_start=j-1; |
backman | 3:c5f2281b3ed2 | 200 | f4=true; |
backman | 3:c5f2281b3ed2 | 201 | } |
backman | 3:c5f2281b3ed2 | 202 | |
backman | 3:c5f2281b3ed2 | 203 | } |
backman | 4:05b21dbca0c7 | 204 | |
backman | 3:c5f2281b3ed2 | 205 | break; |
backman | 3:c5f2281b3ed2 | 206 | |
backman | 3:c5f2281b3ed2 | 207 | |
backman | 3:c5f2281b3ed2 | 208 | case 0x02: |
backman | 3:c5f2281b3ed2 | 209 | |
backman | 3:c5f2281b3ed2 | 210 | if(sign_line_imageL[i]=='O'){ |
backman | 3:c5f2281b3ed2 | 211 | |
backman | 3:c5f2281b3ed2 | 212 | if(f1==false){ |
backman | 3:c5f2281b3ed2 | 213 | b_end=i; |
backman | 3:c5f2281b3ed2 | 214 | f1=true; |
backman | 3:c5f2281b3ed2 | 215 | } |
backman | 3:c5f2281b3ed2 | 216 | } |
backman | 3:c5f2281b3ed2 | 217 | |
backman | 3:c5f2281b3ed2 | 218 | if(sign_line_imageL[j]=='O'){ |
backman | 3:c5f2281b3ed2 | 219 | |
backman | 3:c5f2281b3ed2 | 220 | if(f2==false){ |
backman | 3:c5f2281b3ed2 | 221 | b_start=j; |
backman | 3:c5f2281b3ed2 | 222 | f2=true; |
backman | 3:c5f2281b3ed2 | 223 | } |
backman | 3:c5f2281b3ed2 | 224 | |
backman | 3:c5f2281b3ed2 | 225 | } |
backman | 3:c5f2281b3ed2 | 226 | |
backman | 3:c5f2281b3ed2 | 227 | |
backman | 4:05b21dbca0c7 | 228 | break; |
backman | 3:c5f2281b3ed2 | 229 | |
backman | 3:c5f2281b3ed2 | 230 | } |
backman | 4:05b21dbca0c7 | 231 | |
backman | 3:c5f2281b3ed2 | 232 | } |
backman | 3:c5f2281b3ed2 | 233 | |
backman | 3:c5f2281b3ed2 | 234 | |
backman | 3:c5f2281b3ed2 | 235 | switch(find_type){ |
backman | 3:c5f2281b3ed2 | 236 | |
backman | 3:c5f2281b3ed2 | 237 | case 0x01: |
backman | 3:c5f2281b3ed2 | 238 | |
backman | 3:c5f2281b3ed2 | 239 | if((b_end-b_start)>(b2_end-b2_start) ) |
backman | 3:c5f2281b3ed2 | 240 | center=(b_end+b_start)/2; |
backman | 3:c5f2281b3ed2 | 241 | |
backman | 3:c5f2281b3ed2 | 242 | else |
backman | 3:c5f2281b3ed2 | 243 | center=(b2_end+b2_start)/2; |
backman | 3:c5f2281b3ed2 | 244 | break; |
backman | 3:c5f2281b3ed2 | 245 | |
backman | 3:c5f2281b3ed2 | 246 | case 0x02: |
backman | 3:c5f2281b3ed2 | 247 | center=(b_end+b_start)/2; |
backman | 3:c5f2281b3ed2 | 248 | |
backman | 3:c5f2281b3ed2 | 249 | break; |
backman | 3:c5f2281b3ed2 | 250 | } |
backman | 3:c5f2281b3ed2 | 251 | |
backman | 3:c5f2281b3ed2 | 252 | return center; |
backman | 3:c5f2281b3ed2 | 253 | |
backman | 3:c5f2281b3ed2 | 254 | } |
backman | 3:c5f2281b3ed2 | 255 | |
backman | 4:05b21dbca0c7 | 256 | |
backman | 1:82bc25a7b68b | 257 | |
backman | 2:c51647d3c14d | 258 | void BX_camera::read(void){ |
backman | 1:82bc25a7b68b | 259 | |
backman | 2:c51647d3c14d | 260 | w_f_vL=0x0000; |
backman | 2:c51647d3c14d | 261 | b_f_vL=0xffff; |
backman | 2:c51647d3c14d | 262 | |
backman | 2:c51647d3c14d | 263 | w_f_vR=0x0000; |
backman | 2:c51647d3c14d | 264 | b_f_vR=0xffff; |
backman | 1:82bc25a7b68b | 265 | |
backman | 1:82bc25a7b68b | 266 | |
backman | 1:82bc25a7b68b | 267 | |
backman | 2:c51647d3c14d | 268 | |
backman | 1:82bc25a7b68b | 269 | *si=1; |
backman | 2:c51647d3c14d | 270 | *cam_clk=1; |
backman | 1:82bc25a7b68b | 271 | |
backman | 1:82bc25a7b68b | 272 | wait_us(30); // tune here |
backman | 1:82bc25a7b68b | 273 | *si=0; |
backman | 1:82bc25a7b68b | 274 | *cam_clk=0; |
backman | 1:82bc25a7b68b | 275 | |
backman | 1:82bc25a7b68b | 276 | |
backman | 1:82bc25a7b68b | 277 | |
backman | 2:c51647d3c14d | 278 | line_CamR->enable(); |
backman | 2:c51647d3c14d | 279 | line_CamL->enable(); |
backman | 1:82bc25a7b68b | 280 | |
backman | 1:82bc25a7b68b | 281 | |
backman | 2:c51647d3c14d | 282 | //input 128 //both |
backman | 1:82bc25a7b68b | 283 | |
backman | 1:82bc25a7b68b | 284 | for(int i=0;i<128;i++){ |
backman | 2:c51647d3c14d | 285 | *cam_clk=1; |
backman | 2:c51647d3c14d | 286 | wait_us(5); |
backman | 1:82bc25a7b68b | 287 | |
backman | 1:82bc25a7b68b | 288 | |
backman | 2:c51647d3c14d | 289 | line_imageR[i]=line_CamR->read_u16(); |
backman | 2:c51647d3c14d | 290 | line_imageL[i]=line_CamL->read_u16(); |
backman | 1:82bc25a7b68b | 291 | |
backman | 1:82bc25a7b68b | 292 | // big small |
backman | 2:c51647d3c14d | 293 | if(line_imageR[i] > w_f_vR) |
backman | 2:c51647d3c14d | 294 | w_f_vR=line_imageR[i]; |
backman | 2:c51647d3c14d | 295 | else if(line_imageR[i] < b_f_vR ) |
backman | 2:c51647d3c14d | 296 | b_f_vR = line_imageR[i]; |
backman | 2:c51647d3c14d | 297 | |
backman | 2:c51647d3c14d | 298 | |
backman | 2:c51647d3c14d | 299 | if(line_imageL[i] > w_f_vL) |
backman | 2:c51647d3c14d | 300 | w_f_vL=line_imageL[i]; |
backman | 2:c51647d3c14d | 301 | else if(line_imageL[i] < b_f_vL ) |
backman | 2:c51647d3c14d | 302 | b_f_vL = line_imageL[i]; |
backman | 1:82bc25a7b68b | 303 | |
backman | 1:82bc25a7b68b | 304 | |
backman | 1:82bc25a7b68b | 305 | |
backman | 1:82bc25a7b68b | 306 | |
backman | 1:82bc25a7b68b | 307 | *cam_clk=0; |
backman | 1:82bc25a7b68b | 308 | wait_us(5); |
backman | 1:82bc25a7b68b | 309 | |
backman | 1:82bc25a7b68b | 310 | |
backman | 1:82bc25a7b68b | 311 | } |
backman | 1:82bc25a7b68b | 312 | |
backman | 1:82bc25a7b68b | 313 | |
backman | 2:c51647d3c14d | 314 | line_CamR->enable(); |
backman | 2:c51647d3c14d | 315 | line_CamL->enable(); |
backman | 1:82bc25a7b68b | 316 | |
backman | 1:82bc25a7b68b | 317 | |
backman | 2:c51647d3c14d | 318 | //filter L R //may change |
backman | 1:82bc25a7b68b | 319 | |
backman | 1:82bc25a7b68b | 320 | for(int i=0;i<128;i++){ |
backman | 1:82bc25a7b68b | 321 | |
backman | 1:82bc25a7b68b | 322 | |
backman | 2:c51647d3c14d | 323 | if( (line_imageR[i]-b_f_vR) < (w_f_vR - line_imageR[i] ) ) |
backman | 2:c51647d3c14d | 324 | sign_line_imageR[i]=' '; |
backman | 2:c51647d3c14d | 325 | else |
backman | 2:c51647d3c14d | 326 | sign_line_imageR[i]='O'; |
backman | 2:c51647d3c14d | 327 | |
backman | 2:c51647d3c14d | 328 | |
backman | 2:c51647d3c14d | 329 | if( (line_imageL[i]-b_f_vL) < (w_f_vL - line_imageL[i] ) ) |
backman | 2:c51647d3c14d | 330 | sign_line_imageL[i]=' '; |
backman | 1:82bc25a7b68b | 331 | else |
backman | 2:c51647d3c14d | 332 | sign_line_imageL[i]='O'; |
backman | 2:c51647d3c14d | 333 | |
backman | 1:82bc25a7b68b | 334 | |
backman | 2:c51647d3c14d | 335 | |
backman | 2:c51647d3c14d | 336 | |
backman | 2:c51647d3c14d | 337 | |
backman | 2:c51647d3c14d | 338 | if(i==0){ |
backman | 2:c51647d3c14d | 339 | sign_line_imageR[i]='X'; |
backman | 2:c51647d3c14d | 340 | sign_line_imageL[i]='X'; |
backman | 2:c51647d3c14d | 341 | } |
backman | 2:c51647d3c14d | 342 | |
backman | 1:82bc25a7b68b | 343 | |
backman | 1:82bc25a7b68b | 344 | } |
backman | 1:82bc25a7b68b | 345 | |
backman | 1:82bc25a7b68b | 346 | |
backman | 1:82bc25a7b68b | 347 | |
backman | 1:82bc25a7b68b | 348 | } |