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| Line 22... | Line 22... | ||
| 22 | volatile unsigned char ch1; |
22 | volatile unsigned char ch1; |
| 23 | volatile unsigned char ch2; |
23 | volatile unsigned char ch2; |
| 24 | volatile unsigned char ch3; |
24 | volatile unsigned char ch3; |
| 25 | volatile unsigned char ch4; |
25 | volatile unsigned char ch4; |
| 26 | volatile unsigned char ch5; |
26 | volatile unsigned char ch5; |
| - | 27 | volatile unsigned char ch0_tmp; |
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| - | 28 | volatile unsigned char ch1_tmp; |
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| - | 29 | volatile unsigned char ch2_tmp; |
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| - | 30 | volatile unsigned char ch3_tmp; |
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| - | 31 | volatile unsigned char ch4_tmp; |
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| - | 32 | volatile unsigned char ch5_tmp; |
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| - | 33 | ||
| - | 34 | ||
| 27 | unsigned int timer; |
35 | unsigned int timer; |
| 28 | 36 | ||
| 29 | SIGNAL(SIG_OVERFLOW1) |
37 | SIGNAL(SIG_OVERFLOW1) |
| 30 | { |
38 | { |
| 31 | TMR1OvF++; |
39 | TMR1OvF++; |
| Line 64... | Line 72... | ||
| 64 | 72 | ||
| 65 | 73 | ||
| 66 | 74 | ||
| 67 | SIGNAL(SIG_OVERFLOW0) |
75 | SIGNAL(SIG_OVERFLOW0) |
| 68 | { |
76 | { |
| - | 77 | // this function is called every 32us, |
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| - | 78 | // it is very important that it's execution time is as short as possible |
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| - | 79 | // currently it's about 20us |
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| - | 80 | ||
| 69 | static unsigned char counter; |
81 | static unsigned char counter = 254; |
| 70 | static unsigned char ms1; |
82 | static unsigned char ms1 = 0; |
| 71 | unsigned char PORTB_BAK; |
83 | unsigned char PORTB_BAK; |
| 72 | unsigned char PORTD_BAK; |
84 | unsigned char PORTD_BAK; |
| 73 | 85 | ||
| 74 | PORTB_BAK = PORTB; |
86 | PORTB_BAK = PORTB; |
| 75 | PORTD_BAK = PORTD; |
87 | PORTD_BAK = PORTD; |
| 76 | 88 | ||
| 77 | if (counter++ == 254) |
89 | if (counter++ == 254) |
| 78 | { |
90 | { |
| 79 | PORTB_BAK LEDON (CH0_B | CH1_B | CH2_B); |
91 | PORTB_BAK LEDON (CH0_B | CH1_B | CH2_B); |
| 80 | PORTD_BAK LEDON (CH3_D | CH4_D | CH5_D); |
92 | PORTD_BAK LEDON (CH3_D | CH4_D | CH5_D); |
| - | 93 | ch0_tmp = ch0; |
|
| - | 94 | ch1_tmp = ch1; |
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| - | 95 | ch2_tmp = ch2; |
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| - | 96 | ch3_tmp = ch3; |
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| - | 97 | ch4_tmp = ch4; |
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| - | 98 | ch5_tmp = ch5; |
|
| 81 | counter = 0; |
99 | counter = 0; |
| 82 | } |
100 | } |
| 83 | 101 | ||
| 84 | if (ch0 == counter) PORTB_BAK LEDOFF CH0_B; |
102 | if (ch0_tmp == counter) PORTB_BAK LEDOFF CH0_B; |
| 85 | if (ch1 == counter) PORTB_BAK LEDOFF CH1_B; |
103 | if (ch1_tmp == counter) PORTB_BAK LEDOFF CH1_B; |
| 86 | if (ch2 == counter) PORTB_BAK LEDOFF CH2_B; |
104 | if (ch2_tmp == counter) PORTB_BAK LEDOFF CH2_B; |
| 87 | if (ch3 == counter) PORTD_BAK LEDOFF CH3_D; |
105 | if (ch3_tmp == counter) PORTD_BAK LEDOFF CH3_D; |
| 88 | if (ch4 == counter) PORTD_BAK LEDOFF CH4_D; |
106 | if (ch4_tmp == counter) PORTD_BAK LEDOFF CH4_D; |
| 89 | if (ch5 == counter) PORTD_BAK LEDOFF CH5_D; |
107 | if (ch5_tmp == counter) PORTD_BAK LEDOFF CH5_D; |
| 90 | 108 | ||
| 91 | PORTB = PORTB_BAK; |
109 | PORTB = PORTB_BAK; |
| 92 | PORTD = PORTD_BAK; |
110 | PORTD = PORTD_BAK; |
| 93 | 111 | ||
| 94 | if (ms1++ == 32) |
112 | if (ms1++ == 32) |
| Line 143... | Line 161... | ||
| 143 | 161 | ||
| 144 | } |
162 | } |
| 145 | 163 | ||
| 146 | 164 | ||
| 147 | 165 | ||
| 148 | - | ||
| 149 | /*##############################################################################*/ |
166 | /*##############################################################################*/ |
| 150 | void StartPPM(void) |
167 | void StartPPM(void) |
| 151 | { |
168 | { |
| 152 | 169 | ||
| 153 | //global timer1 Config |
170 | //global timer1 Config |
| Line 161... | Line 178... | ||
| 161 | 178 | ||
| 162 | } |
179 | } |
| 163 | 180 | ||
| 164 | 181 | ||
| 165 | 182 | ||
| - | 183 | /*##############################################################################*/ |
|
| 166 | int GetPPM(void) |
184 | int GetPPM(void) |
| 167 | { |
185 | { |
| 168 | //this routines seems to be nesseccary, as reading a 16 bit value |
186 | //this routines seems to be nesseccary, as reading a 16 bit value |
| 169 | //on a 8 bit machine is not atomic, so if an interrupt apears between reading |
187 | //on a 8 bit machine is not atomic, so if an interrupt apears between reading |
| 170 | //low and high byte of the 16 bit value a wrong result is possible |
188 | //low and high byte of the 16 bit value a wrong result is possible |
| Line 186... | Line 204... | ||
| 186 | /*##############################################################################*/ |
204 | /*##############################################################################*/ |
| 187 | int main (void) |
205 | int main (void) |
| 188 | { |
206 | { |
| 189 | unsigned int i; |
207 | unsigned int i; |
| 190 | unsigned char colorState; |
208 | unsigned char colorState; |
| 191 | unsigned char nextcolorState; |
209 | unsigned char nextcolorState=0; |
| 192 | 210 | ||
| 193 | DDRB = (CH0_B|CH1_B|CH2_B); |
211 | DDRB = (CH0_B|CH1_B|CH2_B); |
| 194 | PORTB = 0x00; |
212 | PORTB = 0x00; |
| 195 | 213 | ||
| 196 | DDRC = (ledred); |
214 | DDRC = (ledred); |
| Line 211... | Line 229... | ||
| 211 | //StartI2C(); |
229 | //StartI2C(); |
| 212 | StartPWM(); |
230 | StartPWM(); |
| 213 | sei(); |
231 | sei(); |
| 214 | 232 | ||
| 215 | 233 | ||
| 216 | //rot > Violett > Blau > Türkis > Grün > Gelb > |
234 | // Farbablauf: rot > Violett > blau > tuerkis > gruen > gelb > |
| 217 | 235 | ||
| 218 | 236 | ||
| 219 | colorState = 0; |
237 | colorState = 0; |
| 220 | 238 | ||
| 221 | while (1) |
239 | while (1) |
| Line 226... | Line 244... | ||
| 226 | for (i=0; i<=255; i++) |
244 | for (i=0; i<=255; i++) |
| 227 | { |
245 | { |
| 228 | switch(colorState) |
246 | switch(colorState) |
| 229 | { |
247 | { |
| 230 | case 0: |
248 | case 0: |
| 231 | ch0 = i; //fade in (ch0) red |
249 | ch0 = i; //fade in (ch0) red |
| 232 | nextcolorState = 2; |
250 | nextcolorState = 2; |
| 233 | break; |
251 | break; |
| 234 | 252 | ||
| 235 | case 2: |
253 | case 2: |
| 236 | ch1 = i; //fade in (ch1) blue to get purple (red + blue) |
254 | ch1 = i; //fade in (ch1) blue to get pure purple (red + blue) |
| 237 | nextcolorState = 4; |
255 | nextcolorState = 4; |
| 238 | break; |
256 | break; |
| 239 | 257 | ||
| 240 | case 4: |
258 | case 4: |
| 241 | ch0 = 255 - i; //fade out (ch0) red to get pure blue |
259 | ch0 = 255 - i; //fade out (ch0) red to get pure blue |
| 242 | nextcolorState = 6; |
260 | nextcolorState = 6; |
| 243 | break; |
261 | break; |
| 244 | 262 | ||
| 245 | case 6: |
263 | case 6: |
| 246 | ch2 = i; //fade in (ch2) green to get cyan (blue + green) |
264 | ch2 = i; //fade in (ch2) green to get pure cyan (blue + green) |
| 247 | nextcolorState = 8; |
265 | nextcolorState = 8; |
| 248 | break; |
266 | break; |
| 249 | 267 | ||
| 250 | case 8: |
268 | case 8: |
| 251 | ch1 = 255 - i; //fade out (ch1) blue to get pure green |
269 | ch1 = 255 - i; //fade out (ch1) blue to get pure green |
| 252 | nextcolorState = 10; |
270 | nextcolorState = 10; |
| 253 | break; |
271 | break; |
| 254 | 272 | ||
| 255 | case 10: |
273 | case 10: |
| 256 | ch0 = i; //fade in (ch0) red to get yellow (green + red) |
274 | ch0 = i; //fade in (ch0) red to get yellow pure (green + red) |
| 257 | nextcolorState = 12; |
275 | nextcolorState = 12; |
| 258 | break; |
276 | break; |
| 259 | 277 | ||
| 260 | case 12: |
278 | case 12: |
| 261 | ch2 = 255 - i; //fade out (ch2) green to get pure red |
279 | ch2 = 255 - i; //fade out (ch2) green to get pure red |
| 262 | nextcolorState = 0; |
280 | nextcolorState = 0; |
| 263 | break; |
281 | break; |
| 264 | } |
282 | } |
| 265 | 283 | ||
| 266 | 284 | ||
| 267 | timer = SetDelay(1); |
285 | timer = SetDelay(5); //wait 10ms |
| 268 | while (!CheckDelay(timer)); |
286 | while (!CheckDelay(timer)); |
| 269 | } |
287 | } |
| 270 | 288 | ||
| 271 | colorState = nextcolorState; |
289 | colorState = nextcolorState; |
| - | 290 | ||
| 272 | timer = SetDelay(3); |
291 | timer = SetDelay(3); //hold pure colors for additional 3ms |
| 273 | while (!CheckDelay(timer)); |
292 | while (!CheckDelay(timer)); |
| 274 | 293 | ||
| 275 | 294 | ||
| 276 | } |
295 | } |
| 277 | 296 | ||
| 278 | 297 | ||
| 279 | } |
298 | } |
| - | 299 | ||
| - | 300 | ||
| - | 301 | ||
| - | 302 | /* |
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| - | 303 | 170 00fa 1F92 push __zero_reg__ |
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| - | 304 | 171 00fc 0F92 push __tmp_reg__ |
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| - | 305 | 172 00fe 0FB6 in __tmp_reg__,__SREG__ |
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| - | 306 | 173 0100 0F92 push __tmp_reg__ |
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| - | 307 | 174 0102 1124 clr __zero_reg__ |
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| - | 308 | 175 0104 2F93 push r18 |
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| - | 309 | 176 0106 3F93 push r19 |
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| - | 310 | 177 0108 8F93 push r24 |
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| - | 311 | 178 010a 9F93 push r25 |
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| - | 312 | 181 010c 38B3 in r19,56-0x20 |
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| - | 313 | 184 010e 22B3 in r18,50-0x20 |
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| - | 314 | 187 0110 8091 0000 lds r24,counter.1797 |
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| - | 315 | 188 0114 8F5F subi r24,lo8(-(1)) |
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| - | 316 | 189 0116 8093 0000 sts counter.1797,r24 |
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| - | 317 | 190 011a 8F3F cpi r24,lo8(-1) |
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| - | 318 | 191 011c 01F4 brne .L15 |
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| - | 319 | 193 011e 3E60 ori r19,lo8(14) |
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| - | 320 | 195 0120 2863 ori r18,lo8(56) |
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| - | 321 | 197 0122 8091 0000 lds r24,ch0 |
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| - | 322 | 198 0126 8093 0000 sts ch0_tmp,r24 |
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| - | 323 | 200 012a 8091 0000 lds r24,ch1 |
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| - | 324 | 201 012e 8093 0000 sts ch1_tmp,r24 |
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| - | 325 | 203 0132 8091 0000 lds r24,ch2 |
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| - | 326 | 204 0136 8093 0000 sts ch2_tmp,r24 |
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| - | 327 | 206 013a 8091 0000 lds r24,ch3 |
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| - | 328 | 207 013e 8093 0000 sts ch3_tmp,r24 |
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| - | 329 | 209 0142 8091 0000 lds r24,ch4 |
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| - | 330 | 210 0146 8093 0000 sts ch4_tmp,r24 |
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| - | 331 | 212 014a 8091 0000 lds r24,ch5 |
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| - | 332 | 213 014e 8093 0000 sts ch5_tmp,r24 |
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| - | 333 | 215 0152 1092 0000 sts counter.1797,__zero_reg__ |
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| - | 334 | 218 0156 8091 0000 lds r24,ch0_tmp |
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| - | 335 | 219 015a 9091 0000 lds r25,counter.1797 |
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| - | 336 | 220 015e 8917 cp r24,r25 |
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| - | 337 | 221 0160 01F4 brne .L17 |
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| - | 338 | 222 0162 377F andi r19,lo8(-9) |
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| - | 339 | 225 0164 8091 0000 lds r24,ch1_tmp |
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| - | 340 | 226 0168 8917 cp r24,r25 |
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| - | 341 | 227 016a 01F4 brne .L19 |
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| - | 342 | 228 016c 3B7F andi r19,lo8(-5) |
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| - | 343 | 231 016e 8091 0000 lds r24,ch2_tmp |
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| - | 344 | 232 0172 8917 cp r24,r25 |
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| - | 345 | 233 0174 01F4 brne .L21 |
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| - | 346 | 234 0176 3D7F andi r19,lo8(-3) |
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| - | 347 | 237 0178 8091 0000 lds r24,ch3_tmp |
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| - | 348 | 238 017c 8917 cp r24,r25 |
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| - | 349 | 239 017e 01F4 brne .L23 |
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| - | 350 | 240 0180 277F andi r18,lo8(-9) |
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| - | 351 | 243 0182 8091 0000 lds r24,ch4_tmp |
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| - | 352 | 244 0186 8917 cp r24,r25 |
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| - | 353 | 245 0188 01F4 brne .L25 |
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| - | 354 | 246 018a 2F7E andi r18,lo8(-17) |
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| - | 355 | 249 018c 8091 0000 lds r24,ch5_tmp |
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| - | 356 | 250 0190 8917 cp r24,r25 |
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| - | 357 | 251 0192 01F4 brne .L27 |
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| - | 358 | 252 0194 2F7D andi r18,lo8(-33) |
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| - | 359 | 255 0196 38BB out 56-0x20,r19 |
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| - | 360 | 257 0198 22BB out 50-0x20,r18 |
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| - | 361 | 259 019a 8091 0000 lds r24,ms1.1798 |
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| - | 362 | 260 019e 8F5F subi r24,lo8(-(1)) |
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| - | 363 | 261 01a0 8093 0000 sts ms1.1798,r24 |
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| - | 364 | 262 01a4 8132 cpi r24,lo8(33) |
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| - | 365 | 263 01a6 01F4 brne .L31 |
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| - | 366 | 265 01a8 1092 0000 sts ms1.1798,__zero_reg__ |
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| - | 367 | 267 01ac 8091 0000 lds r24,TMR1MS |
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| - | 368 | 268 01b0 9091 0000 lds r25,(TMR1MS)+1 |
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| - | 369 | 269 01b4 0196 adiw r24,1 |
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| - | 370 | 270 01b6 9093 0000 sts (TMR1MS)+1,r25 |
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| - | 371 | 271 01ba 8093 0000 sts TMR1MS,r24 |
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| - | 372 | 274 01be 9F91 pop r25 |
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| - | 373 | 275 01c0 8F91 pop r24 |
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| - | 374 | 276 01c2 3F91 pop r19 |
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| - | 375 | 277 01c4 2F91 pop r18 |
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| - | 376 | 278 01c6 0F90 pop __tmp_reg__ |
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| - | 377 | 279 01c8 0FBE out __SREG__,__tmp_reg__ |
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| - | 378 | 280 01ca 0F90 pop __tmp_reg__ |
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| - | 379 | 281 01cc 1F90 pop __zero_reg__ |
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| - | 380 | 282 01ce 1895 reti |
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| - | 381 | */ |
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