📄 tempc.lst
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206 void InitDS1820(void) //初始化DS1820
207 {
208 1 TMPort=1; //拉高TMPort
209 1 _nop_(); //保持一个周期
210 1 TMPort = 0; //拉低TMPort
211 1 Delay_510(); //延时 DS1820复位时间要500us的低电平
212 1 TMPort = 1; //拉高TMPort
213 1 _nop_(); //保持
214 1 _nop_();
215 1 _nop_();
216 1
217 1 Delay_110(); //延时110us 等待DS1820回应
218 1 if (!TMPort) //回应信号为低电平
219 1 DS18B20ON = 1;
220 1 else
221 1 DS18B20ON = 0;
222 1 Delay_110(); //延时
223 1 Delay_110();
224 1 TMPort = 1; //拉高TMPort
225 1 }
226
227
228 void Delay_510(void) //延时510微秒
229 {
230 1 #pragma asm
231 1 MOV R0,#7DH
232 1 MOV R1,#02H
233 1 TSR1:
234 1 DJNZ R0,TSR1
235 1 MOV R0,#7DH
236 1 DJNZ R1,TSR1
237 1 #pragma endasm
238 1 }
239
240 void Delay_110(void) //延时110微秒
241 {
242 1 #pragma asm
243 1 MOV R0,#19H
244 1 MOV R1,#02H
245 1 TSR2:
246 1 DJNZ R0,TSR2
247 1 MOV R0,#19H
248 1 DJNZ R1,TSR2
249 1 #pragma endasm
C51 COMPILER V7.06 TEMPC 04/13/2005 22:38:51 PAGE 7
250 1 }
251
252 void Delay_10ms(void) //延时10ms
253 {
254 1 #pragma asm
255 1 MOV R0,#19H
256 1 MOV R1,#0C8H
257 1 TSR3:
258 1 DJNZ R0,TSR3
259 1 MOV R0,#19H
260 1 DJNZ R1,TSR3
261 1 #pragma endasm
262 1 }
263
264 void Delay_4s(void) //延时4s
265 {
266 1 #pragma asm
267 1 MOV R2,#28H
268 1 TSR5:
269 1 MOV R0,#0FAH
270 1 MOV R1,#0C8H
271 1 TSR4:
272 1 DJNZ R0,TSR4
273 1 MOV R0,#0FAH
274 1 DJNZ R1,TSR4
275 1 DJNZ R2,TSR5
276 1 #pragma endasm
277 1 }
278
279 void ROMDS1820(void) //跳过ROM匹配
280 {
281 1 #pragma asm
282 1 MOV A,#0CCH
283 1 MOV R2,#8
284 1 CLR C
285 1 WR1:
286 1 CLR P3_7
287 1 MOV R3,#6
288 1 DJNZ R3,$
289 1 RRC A
290 1 MOV P3_7,C
291 1 MOV R3,#23
292 1 DJNZ R3,$
293 1 SETB P3_7
294 1 NOP
295 1 DJNZ R2,WR1
296 1 SETB P3_7
297 1 #pragma endasm
298 1 }
299
300 void TMVDS1820(void) //温度转换指令
301 {
302 1 #pragma asm
303 1 MOV A,#44H
304 1 MOV R2,#8
305 1 CLR C
306 1 WR2:
307 1 CLR P3_7
308 1 MOV R3,#6
309 1 DJNZ R3,$
310 1 RRC A
311 1 MOV P3_7,C
C51 COMPILER V7.06 TEMPC 04/13/2005 22:38:51 PAGE 8
312 1 MOV R3,#23
313 1 DJNZ R3,$
314 1 SETB P3_7
315 1 NOP
316 1 DJNZ R2,WR2
317 1 SETB P3_7
318 1 #pragma endasm
319 1 }
320
321 void TMRDS1820(void) //读出温度指令
322 {
323 1 #pragma asm
324 1 MOV A,#0BEH
325 1 MOV R2,#8
326 1 CLR C
327 1 WR3:
328 1 CLR P3_7
329 1 MOV R3,#6
330 1 DJNZ R3,$
331 1 RRC A
332 1 MOV P3_7,C
333 1 MOV R3,#23
334 1 DJNZ R3,$
335 1 SETB P3_7
336 1 NOP
337 1 DJNZ R2,WR3
338 1 SETB P3_7
339 1 #pragma endasm
340 1 }
341
342 void TMWDS1820(void) //写入温度限制指令
343 {
344 1 #pragma asm
345 1 MOV A,#04EH
346 1 MOV R2,#8
347 1 CLR C
348 1 WR13:
349 1 CLR P3_7
350 1 MOV R3,#6
351 1 DJNZ R3,$
352 1 RRC A
353 1 MOV P3_7,C
354 1 MOV R3,#23
355 1 DJNZ R3,$
356 1 SETB P3_7
357 1 NOP
358 1 DJNZ R2,WR13
359 1 SETB P3_7
360 1 #pragma endasm
361 1 }
362
363 void TMREDS1820(void) //COPY RAM to E2PRAM
364 {
365 1 #pragma asm
366 1 MOV A,#48H
367 1 MOV R2,#8
368 1 CLR C
369 1 WR33:
370 1 CLR P3_7
371 1 MOV R3,#6
372 1 DJNZ R3,$
373 1 RRC A
C51 COMPILER V7.06 TEMPC 04/13/2005 22:38:51 PAGE 9
374 1 MOV P3_7,C
375 1 MOV R3,#23
376 1 DJNZ R3,$
377 1 SETB P3_7
378 1 NOP
379 1 DJNZ R2,WR33
380 1 SETB P3_7
381 1 #pragma endasm
382 1 }
383
384 void TMERDS1820(void) //COPY E2PRAM to RAM
385 {
386 1 #pragma asm
387 1 MOV A,#0B8H
388 1 MOV R2,#8
389 1 CLR C
390 1 WR43:
391 1 CLR P3_7
392 1 MOV R3,#6
393 1 DJNZ R3,$
394 1 RRC A
395 1 MOV P3_7,C
396 1 MOV R3,#23
397 1 DJNZ R3,$
398 1 SETB P3_7
399 1 NOP
400 1 DJNZ R2,WR43
401 1 SETB P3_7
402 1 #pragma endasm
403 1 }
404
405 void WriteDS1820(void) //写入温度限制值
406 {
407 1 #pragma asm
408 1 MOV A,26H //发出4EH写ROM指令后连发两个字节分别为上下限
409 1 MOV R2,#8
410 1 CLR C
411 1 WR23:
412 1 CLR P3_7
413 1 MOV R3,#6
414 1 DJNZ R3,$
415 1 RRC A
416 1 MOV P3_7,C
417 1 MOV R3,#23
418 1 DJNZ R3,$
419 1 SETB P3_7
420 1 NOP
421 1 DJNZ R2,WR23
422 1 SETB P3_7
423 1 #pragma endasm
424 1 }
425
426 void ReadDS1820(void) //读出温度值
427 {
428 1 #pragma asm
429 1 MOV R4,#2 ; 将温度高位和低位，高温限制位从DS18B20中读出
430 1 MOV R1,#29H ; 低位存入29H(TEMPER_L),高位存入28H(TEMPER_H)，高温限制位存入27H(TMRomV)
431 1 RE00:
432 1 MOV R2,#8
433 1 RE01:
434 1 CLR C
435 1 SETB P3_7
C51 COMPILER V7.06 TEMPC 04/13/2005 22:38:51 PAGE 10
436 1 NOP
437 1 NOP
438 1 CLR P3_7
439 1 NOP
440 1 NOP
441 1 NOP
442 1 SETB P3_7
443 1 MOV R3,#09
444 1 RE10:
445 1 DJNZ R3,RE10
446 1 MOV C,P3_7
447 1 MOV R3,#23
448 1 RE20:
449 1 DJNZ R3,RE20
450 1 RRC A
451 1 DJNZ R2,RE01
452 1 MOV @R1,A
453 1 DEC R1
454 1 DJNZ R4,RE00
455 1 #pragma endasm
456 1 }
457
458
C51 COMPILER V7.06 TEMPC 04/13/2005 22:38:51 PAGE 11
NAME CLASS MSPACE TYPE OFFSET SIZE
==== ===== ====== ==== ====== ====
KeyV . . . . . . . . . . . . . . . . . STATIC DATA U_CHAR 0000H 1
P1 . . . . . . . . . . . . . . . . . . SFR DATA U_CHAR 0090H 1
P3 . . . . . . . . . . . . . . . . . . SFR DATA U_CHAR 00B0H 1
KeyAndDis_Time0. . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
EA . . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00AFH 1
Sign . . . . . . . . . . . . . . . . . STATIC DATA U_CHAR 0001H 1
P3_0 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00B0H 1
P3_1 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00B1H 1
Delay_10ms . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
P3_2 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00B2H 1
P3_3 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00B3H 1
P3_4 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00B4H 1
P3_5 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00B5H 1
TempKeyV . . . . . . . . . . . . . . . STATIC DATA U_CHAR 0002H 1
P3_7 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00B7H 1
LED_f. . . . . . . . . . . . . . . . . STATIC DATA CHAR 0003H 1
TMERDS1820 . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
TMREDS1820 . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
TM . . . . . . . . . . . . . . . . . . STATIC DATA CHAR 0004H 1
V2ToV. . . . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
main . . . . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
TMOD . . . . . . . . . . . . . . . . . SFR DATA U_CHAR 0089H 1
DS18B20ON. . . . . . . . . . . . . . . ABSBIT ----- BIT 0000H 1
SetTF. . . . . . . . . . . . . . . . . ABSBIT ----- BIT 0001H 1
ET0. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00A9H 1
TH0. . . . . . . . . . . . . . . . . . SFR DATA U_CHAR 008CH 1
TL0. . . . . . . . . . . . . . . . . . SFR DATA U_CHAR 008AH 1
ROMDS1820. . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
TR0. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 008CH 1
TMRDS1820. . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
wd . . . . . . . . . . . . . . . . . . STATIC DATA INT 0005H 2
TMVDS1820. . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
L_1. . . . . . . . . . . . . . . . . . STATIC DATA CHAR 0007H 1
TMWDS1820. . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
L_2. . . . . . . . . . . . . . . . . . STATIC DATA CHAR 0008H 1
zd . . . . . . . . . . . . . . . . . . STATIC DATA INT 0009H 2
L_3. . . . . . . . . . . . . . . . . . STATIC DATA CHAR 000BH 1
L_4. . . . . . . . . . . . . . . . . . STATIC DATA CHAR 000CH 1
L_5. . . . . . . . . . . . . . . . . . STATIC DATA CHAR 000DH 1
ReadDS1820 . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
sign_jd. . . . . . . . . . . . . . . . STATIC DATA U_CHAR 000EH 1
StateREG . . . . . . . . . . . . . . . STATIC DATA U_CHAR 0000H 1
Delay_110. . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
LED_1. . . . . . . . . . . . . . . . . STATIC DATA CHAR 000FH 1
LED_2. . . . . . . . . . . . . . . . . STATIC DATA CHAR 0010H 1
Delay_510. . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
LED_3. . . . . . . . . . . . . . . . . STATIC DATA CHAR 0011H 1
LED_4. . . . . . . . . . . . . . . . . STATIC DATA CHAR 0012H 1
WriteDS1820. . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
THV. . . . . . . . . . . . . . . . . . STATIC DATA U_CHAR 0028H 1
TLV. . . . . . . . . . . . . . . . . . STATIC DATA U_CHAR 0029H 1
TMV. . . . . . . . . . . . . . . . . . STATIC DATA CHAR 0013H 1
LEDDis . . . . . . . . . . . . . . . . PUBLIC CODE ARRAY 0000H 10
Delay_4s . . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
InitDS1820 . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
MODULE INFORMATION: STATIC OVERLAYABLE
C51 COMPILER V7.06 TEMPC 04/13/2005 22:38:51 PAGE 12
CODE SIZE = 1136 ----
CONSTANT SIZE = 10 ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 21 ----
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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