Commit | Line | Data |
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31415646 FT |
1 | #include <avr/io.h> |
2 | #include <avr/interrupt.h> | |
3 | #include <inttypes.h> | |
4 | ||
5 | #define SEGA 128 | |
6 | #define SEGB 64 | |
7 | #define SEGC 4 | |
8 | #define SEGD 16 | |
9 | #define SEGE 32 | |
10 | #define SEGF 2 | |
11 | #define SEGG 1 | |
12 | #define SEGP 8 | |
13 | ||
14 | uint8_t font[16] = { | |
15 | SEGA | SEGB | SEGC | SEGD | SEGE | SEGF, | |
16 | SEGB | SEGC, | |
17 | SEGA | SEGB | SEGD | SEGE | SEGG, | |
18 | SEGA | SEGB | SEGC | SEGD | SEGG, | |
19 | SEGB | SEGC | SEGF | SEGG, | |
20 | SEGA | SEGC | SEGD | SEGF | SEGG, | |
21 | SEGA | SEGC | SEGD | SEGE | SEGF | SEGG, | |
22 | SEGA | SEGB | SEGC, | |
23 | SEGA | SEGB | SEGC | SEGD | SEGE | SEGF | SEGG, | |
24 | SEGA | SEGB | SEGC | SEGD | SEGF | SEGG, | |
25 | SEGA | SEGB | SEGC | SEGE | SEGF | SEGG, | |
26 | SEGC | SEGD | SEGE | SEGF | SEGG, | |
27 | SEGA | SEGD | SEGE | SEGF, | |
28 | SEGB | SEGC | SEGD | SEGE | SEGG, | |
29 | SEGA | SEGD | SEGE | SEGF | SEGG, | |
30 | SEGA | SEGE | SEGF | SEGG, | |
31 | }; | |
32 | /* LED */ | |
33 | uint8_t dsp[2] = {0, 0}; | |
34 | char leda = 0; | |
35 | char ledc = 0; | |
36 | /* Timer */ | |
37 | char of = 0; | |
38 | int oticks = 0; | |
59d1e985 | 39 | unsigned long mnow; |
31415646 FT |
40 | /* Pulse counter */ |
41 | char pstate = 0; | |
42 | char pval = 0; | |
43 | /* Switch */ | |
44 | char sstate = 0; | |
45 | int stime = 0; | |
46 | /* Temp sensor */ | |
47 | char tstate = 0; | |
48 | char tlock = 0; | |
49 | unsigned long tstart; | |
50 | unsigned long ttime; | |
51 | unsigned long ttimea = 10000; | |
c1346a55 | 52 | char tavgok = 0; |
31415646 | 53 | /* Zero-cross detector*/ |
59d1e985 FT |
54 | char zok = 0; |
55 | unsigned long ztime; | |
31415646 | 56 | /* Triac */ |
59d1e985 FT |
57 | char trstate = 0; |
58 | char tron = 0; | |
495bea06 | 59 | unsigned long trtime; |
59d1e985 | 60 | unsigned short trdelay = 0; |
31415646 FT |
61 | |
62 | void init(void) | |
63 | { | |
64 | /* Timer init */ | |
65 | TCCR1A = 0; | |
66 | TCCR1B = 1; | |
67 | TIMSK1 = 1; | |
68 | ||
69 | /* | |
70 | * B0..2 = Pulse sensor | |
71 | * B3..5 = ISP | |
72 | * B6..7 = CLK | |
73 | */ | |
c1346a55 | 74 | DDRB = 0x38; |
31415646 FT |
75 | PORTB = 0x07; |
76 | PCMSK0 = 0x07; | |
77 | PCICR = 0x01; | |
78 | /* | |
79 | * C0..5 = LEDA0..5 | |
80 | * C6 = /RESET | |
81 | * C7 = NC | |
82 | */ | |
83 | DDRC = 0x3f; | |
84 | PORTC = 0x00; | |
85 | /* | |
86 | * D0 = Triac | |
87 | * D1 = NTC FET | |
88 | * D2 = ZCD (INT0) | |
89 | * D3 = NTC Op-amp (INT1) | |
90 | * D4..5 = LEDA6..7 | |
91 | * D6..7 = LEDC0..1 | |
92 | */ | |
93 | DDRD = 0xf3; | |
94 | PORTD = 0x00; | |
95 | EICRA = 0x0d; | |
96 | EIMSK = 0x03; | |
97 | } | |
98 | ||
99 | unsigned char bindisp(unsigned char num) | |
100 | { | |
101 | unsigned char ret; | |
102 | ||
103 | ret = 0; | |
104 | if(num & 1) | |
105 | ret |= SEGA; | |
106 | if(num & 2) | |
107 | ret |= SEGB; | |
108 | if(num & 4) | |
109 | ret |= SEGC; | |
110 | if(num & 8) | |
111 | ret |= SEGD; | |
112 | if(num & 16) | |
113 | ret |= SEGE; | |
114 | if(num & 32) | |
115 | ret |= SEGF; | |
116 | if(num & 64) | |
117 | ret |= SEGG; | |
118 | if(num & 128) | |
119 | ret |= SEGP; | |
120 | return(ret); | |
121 | } | |
122 | ||
123 | void display(char num) | |
124 | { | |
125 | dsp[0] = font[(num / 10) % 10]; | |
126 | dsp[1] = font[num % 10]; | |
127 | } | |
128 | ||
129 | void disphex(unsigned char num) | |
130 | { | |
131 | dsp[0] = font[(num & 0xf0) >> 4]; | |
132 | dsp[1] = font[num & 0x0f]; | |
133 | } | |
134 | ||
135 | unsigned long getticks(void) | |
136 | { | |
137 | return(TCNT1 + (((unsigned long)oticks) << 16)); | |
138 | } | |
139 | ||
140 | void ledcycle(void) | |
141 | { | |
142 | static uint16_t last = 0; | |
143 | uint8_t c, d, v; | |
144 | ||
145 | if(TCNT1 - last > 500) { | |
146 | last = TCNT1; | |
147 | if(++leda >= 8) { | |
148 | leda = 0; | |
149 | if(++ledc >= 2) | |
150 | ledc = 0; | |
151 | } | |
152 | if(dsp[ledc] & (1 << leda)) { | |
153 | if(leda < 6) { | |
154 | c = 1 << leda; | |
155 | d = 0; | |
156 | } else { | |
157 | c = 0; | |
158 | d = 0x10 << (leda - 6); | |
159 | } | |
160 | d |= ledc?0x40:0x80; | |
161 | } else { | |
162 | c = d = 0; | |
163 | } | |
164 | PORTC = c; | |
165 | PORTD = (PORTD & 0x0f) | d; | |
166 | } | |
167 | } | |
168 | ||
169 | void tempcycle(void) | |
170 | { | |
31415646 FT |
171 | if(tstate == 0) { |
172 | if((PIND & 8) && (tlock == 0)) { | |
173 | PORTD |= 2; | |
59d1e985 | 174 | tstart = mnow; |
31415646 FT |
175 | tstate = 1; |
176 | } | |
177 | } else if(tstate == 1) { | |
59d1e985 | 178 | if(mnow - tstart > 1000) { |
31415646 FT |
179 | PORTD &= ~2; |
180 | tstate = 0; | |
59d1e985 | 181 | tstart = mnow; |
31415646 FT |
182 | } |
183 | } | |
184 | } | |
185 | ||
186 | void calcavg(void) | |
187 | { | |
188 | if(tlock == 1) { | |
189 | tlock = 2; | |
190 | ttimea = ((ttimea * 15) + ttime) >> 4; | |
191 | tlock = 0; | |
c1346a55 | 192 | tavgok = 1; |
31415646 FT |
193 | } |
194 | } | |
195 | ||
59d1e985 FT |
196 | void triaccycle(void) |
197 | { | |
198 | if(trstate == 0) { | |
199 | if(tron && zok && (mnow > ztime + trdelay)) { | |
200 | PORTD |= 1; | |
201 | zok = 0; | |
202 | trstate = 1; | |
495bea06 | 203 | trtime = mnow; |
59d1e985 FT |
204 | } |
205 | } else if(trstate == 1) { | |
495bea06 FT |
206 | if(mnow > trtime + 500) { |
207 | PORTD &= ~1; | |
208 | trstate = 0; | |
209 | } | |
59d1e985 FT |
210 | } |
211 | } | |
212 | ||
31415646 FT |
213 | int main(void) |
214 | { | |
c1346a55 FT |
215 | int state, cur; |
216 | unsigned long utime; | |
31415646 | 217 | |
c1346a55 FT |
218 | state = 0; |
219 | cur = 99; | |
31415646 FT |
220 | init(); |
221 | sei(); | |
222 | display(0); | |
59d1e985 | 223 | |
31415646 | 224 | while(1) { |
59d1e985 | 225 | mnow = getticks(); |
31415646 FT |
226 | ledcycle(); |
227 | tempcycle(); | |
228 | calcavg(); | |
59d1e985 | 229 | triaccycle(); |
31415646 | 230 | |
72ef9ac1 | 231 | #if 0 |
c1346a55 FT |
232 | /* |
233 | * User interface | |
234 | */ | |
235 | if(state == 0) { | |
236 | /* Display temperature */ | |
237 | if(tavgok) { | |
238 | tavgok = 0; | |
239 | if(ttimea < 20000) { | |
240 | display((ttimea / 100) % 100); | |
241 | dsp[0] |= SEGP; | |
242 | if(ttimea >= 10000) | |
243 | dsp[1] |= SEGP; | |
244 | } else { | |
245 | display(ttimea / 1000); | |
246 | } | |
247 | } | |
248 | if(pval != 0) { | |
249 | state = 1; | |
250 | utime = mnow; | |
251 | } | |
252 | } else if(state == 1) { | |
253 | /* Triac control */ | |
254 | if(pval != 0) { | |
255 | cur += pval; | |
256 | pval = 0; | |
257 | if(cur < 0) | |
258 | cur = 0; | |
259 | if(cur > 99) | |
260 | cur = 99; | |
261 | display(cur); | |
262 | trdelay = 10000 - ((unsigned short)cur * 100); | |
263 | utime = mnow; | |
264 | } | |
265 | if(mnow - utime > 1000000) { | |
266 | state = 0; | |
267 | } | |
268 | } | |
269 | if(sstate == 2) { | |
270 | tron = !tron; | |
271 | sstate = 0; | |
272 | } | |
273 | #endif | |
31415646 FT |
274 | /* |
275 | dsp[0] = bindisp((ttimea & 0xff00) >> 8); | |
276 | dsp[1] = bindisp(ttimea & 0x00ff); | |
277 | */ | |
278 | /* | |
279 | disphex((ttimea & 0xff000) >> 12); | |
280 | */ | |
495bea06 | 281 | #if 0 |
59d1e985 FT |
282 | /* |
283 | Temp display | |
284 | */ | |
31415646 FT |
285 | if(ttimea < 20000) { |
286 | display((ttimea / 100) % 100); | |
287 | dsp[0] |= SEGP; | |
288 | if(ttimea >= 10000) | |
289 | dsp[1] |= SEGP; | |
290 | } else { | |
291 | display(ttimea / 1000); | |
292 | } | |
59d1e985 | 293 | #endif |
72ef9ac1 FT |
294 | #if 1 |
295 | #endif | |
296 | /* | |
297 | * ZVD debug | |
298 | */ | |
299 | if(zok) { | |
300 | if(++cur > 99) | |
301 | cur = 0; | |
302 | display(cur); | |
303 | zok = 0; | |
304 | } | |
c1346a55 | 305 | #if 0 |
495bea06 FT |
306 | /* |
307 | Phony Triac control | |
308 | */ | |
309 | if(pval != 0) { | |
310 | cur += pval; | |
311 | if(cur < 0) | |
312 | cur = 0; | |
313 | if(cur > 99) | |
314 | cur = 99; | |
315 | display(cur); | |
316 | trdelay = 10000 - ((unsigned short)cur * 100); | |
317 | pval = 0; | |
318 | } | |
319 | if(sstate == 2) { | |
320 | tron = !tron; | |
321 | sstate = 0; | |
322 | } | |
323 | #endif | |
59d1e985 | 324 | #if 0 |
31415646 | 325 | /* |
59d1e985 FT |
326 | Pulse counter display |
327 | */ | |
31415646 FT |
328 | cur += pval; |
329 | pval = 0; | |
330 | if(sstate == 2) { | |
331 | cur = stime; | |
332 | sstate = 0; | |
333 | } | |
334 | if(cur > 99) | |
335 | cur = 99; | |
336 | if(cur < -99) | |
337 | cur = -99; | |
338 | if(cur < 0) { | |
339 | display(-cur); | |
340 | dsp[0] |= SEGP; | |
341 | } else { | |
342 | display(cur); | |
343 | } | |
59d1e985 | 344 | #endif |
31415646 FT |
345 | } |
346 | } | |
347 | ||
348 | ISR(SIG_INTERRUPT0) | |
349 | { | |
59d1e985 FT |
350 | ztime = getticks(); |
351 | zok = 1; | |
31415646 FT |
352 | } |
353 | ||
354 | ISR(SIG_INTERRUPT1) | |
355 | { | |
356 | unsigned long now; | |
357 | ||
358 | now = getticks(); | |
359 | if(tstate == 0) { | |
360 | tstate = 1; | |
361 | if(tlock != 2) | |
362 | ttime = now - tstart; | |
363 | tstart = now; | |
364 | PORTD |= 2; | |
365 | tlock = 1; | |
366 | } | |
367 | } | |
368 | ||
369 | ISR(SIG_OVERFLOW1) | |
370 | { | |
371 | of = 1; | |
372 | oticks++; | |
373 | } | |
374 | ||
375 | ISR(SIG_PIN_CHANGE0) | |
376 | { | |
377 | if((sstate == 0) & ((PINB & 1) == 0)) { | |
378 | stime = oticks; | |
379 | sstate = 1; | |
380 | } | |
381 | if((sstate == 1) & ((PINB & 1) == 1)) { | |
382 | stime = oticks - stime; | |
383 | sstate = 2; | |
384 | } | |
385 | if(pstate == 0) { | |
386 | if((PINB & 2) == 0) { | |
387 | pstate = 1; | |
388 | } else if((PINB & 4) == 0) { | |
389 | pstate = 2; | |
390 | } | |
391 | } else if(pstate == 1) { | |
392 | if((PINB & 4) == 0) { | |
393 | pval++; | |
394 | pstate = 3; | |
395 | } else { | |
396 | pstate = 0; | |
397 | } | |
398 | } else if(pstate == 2) { | |
399 | if((PINB & 2) == 0) { | |
400 | pval--; | |
401 | pstate = 3; | |
402 | } else { | |
403 | pstate = 0; | |
404 | } | |
405 | } else { | |
406 | if((PINB & 2) && (PINB & 4)) | |
407 | pstate = 0; | |
408 | } | |
409 | } |