📄 tcmain.lst
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C51 COMPILER V7.06 TCMAIN 01/06/2008 17:24:20 PAGE 1
C51 COMPILER V7.06, COMPILATION OF MODULE TCMAIN
OBJECT MODULE PLACED IN TCMain.OBJ
COMPILER INVOKED BY: D:\Program Files\Keil51\C51\BIN\C51.EXE TCMain.c BROWSE DEBUG OBJECTEXTEND SRC(.\TCMain.SRC)
stmt level source
1 /*-------------------------------
2 温度控制器
3 显示为三个共阳极LED
4 温度传感器用单总线DS18B20
5 CPU为89C51，三个按键，分别为UP，DOWN，SET
6 2个检测,
7 温度调节上限为125度，下限为-55度
8 -------------------------------*/
9
10 #include <AT89X51.H>
11 #include <intrins.h>
12 #define Key_ONE p3_2 //检测1路
13 #define Key_TWO p3_3 //检测2路
14 #define Key_UP P3_4 //上调温度
15 #define Key_DOWN P3_5 //下调温度
16 #define Key_SET P3_6 //设定键（温度设定，长按开电源）
17 #define RelayOutPort P1_5 //继电器输出(加温）
18 #define RelayOutfan P1_6 //继电器输出（风扇）
19 #define RelayOutsignal P1_7 //给节电器信号
20 #define LEDPort P0 //LED控制口
21 #define LEDOneC P2_0 //LED DS1控制（百位）
22 #define LEDTwoC P2_1 //LED DS2控制（十位）
23 #define LEDThreeC P2_2 //LED DS3控制（个位）
24 #define LEDhigh P1_0 //LED高温指示灯
25 #define LEDlow P1_1 //LED低温指示灯
26 #define LEDmalfunction P1_2 //LED故障指示灯
27 #define TMPort P3_0 //DS1820 DataPort温度
28
29 unsigned char code LEDDis[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0xFF,0xBF}; //0-9的LED笔划,
-0xFF为空,0xF7为负号
30
31 static unsigned char bdata StateREG; //可位寻址的状态寄存器
32 sbit DS1820ON = StateREG^0; //DS1820是否存在
33 sbit SetTF = StateREG^1; //是否是在温度设置状态
34 sbit KeySETDown = StateREG^2; //是否已按过SET键标识
35 sbit PowTF = StateREG^3; //电源标识
36 sbit KeyTF = StateREG^4; //键盘是否允许
37
38 //sbit KeySETDowning = StateREG^5; //SET是否正在按下
39 static unsigned char bdata TLV _at_ 0x0029; //温度变量高低位
40 static unsigned char bdata THV _at_ 0x0028;
41 static signed char TMV; //转换后的温度值
42 static unsigned char KeyV,TempKeyV; //键值
43 static signed char TMRomV _at_ 0x0027; //高温限制
44 static signed char TMSetV _at_ 0x0026; //温度设定值
45 static unsigned char KSDNum; //SET键连按时的采集次数
46 static unsigned char IntNum2,IntNum3; //中断发生次数，IntNum用于SET长按检测，IntNum2用于设定
-状态时LED闪烁
47 static signed char LED_One,LED_Two,LED_Three; //LED的显示位 LED_One为十位，LED_Two为个位
48 static unsigned char Sign; //负号标识
49
50 static unsigned char T10Stimes0;
51 static unsigned char T10Stimes1;
52 static unsigned char INTF0;
53 static unsigned char INTF1;
C51 COMPILER V7.06 TCMAIN 01/06/2008 17:24:20 PAGE 2
54 void int_0(void); //外部中断0
55 void int_1(void); //外部中断1
56
57 void main(void)
58 {
59 1 void InitDS1820(void); //定义函数
60 1 void ROMDS1820(void);
61 1 void TMVDS1820(void);
62 1 void TMRDS1820(void);
63 1 void TMWDS1820(void);
64 1 void TMREDS1820(void);
65 1 void TMERDS1820(void);
66 1 void ReadDS1820(void);
67 1 void WriteDS1820(void);
68 1 void Delay_510(void);
69 1 void Delay_110(void);
70 1 void Delay_10ms(void);
71 1 void Delay_4s(void);
72 1 void V2ToV(void);
73 1
74 1 StateREG = 0; //初始化变量
75 1 SetTF = 1;
76 1 PowTF = 0; //开电源
77 1 SetTF = 0;
78 1 THV = 0;
79 1 TLV = 0;
80 1 TMV = 0;
81 1 KeyV = 0;
82 1 TempKeyV = 0;
83 1 KSDNum = 0;
84 1 //IntNum = 0;
85 1 IntNum2 = 0;
86 1 IntNum3 = 0;
87 1 LED_One = 0;
88 1 LED_Two = 0;
89 1
90 1 InitDS1820(); //初始化
91 1 ROMDS1820(); //跳过ROM
92 1 TMERDS1820(); //E2PRAM中温度上限值调入RAM
93 1 InitDS1820(); //初始化
94 1 ROMDS1820(); //跳过ROM
95 1 TMRDS1820(); //读出温度指令
96 1 ReadDS1820(); //读出温度值和上限值
97 1 TMSetV = TMRomV; //拷贝保存在DS18B20ROM里的上限值到TMSetV
98 1
99 1 T10Stimes0 = 0;
100 1 T10Stimes1 = 0;
101 1 EX0 = 1;
102 1 IT0 = 0;
103 1 EX1 = 1;
104 1 IT1 = 0;
105 1 ET0 = 1; //定时器0中断打开
106 1 ET1 = 1;
107 1 // TMOD = 0x1; //设定时器0为模式1，16位模式
108 1 TMOD = 0x11;
109 1 TH1=0x3C;
110 1 TL1=0xB0; //定时50ms
111 1 TH0=0xB1;
112 1 TL0=0xDF; //设定时值为20000us（20ms）
113 1 EA = 1; //允许CPU中断
114 1 TR0 = 1; //开始定时
115 1 TR1 = 1;
C51 COMPILER V7.06 TCMAIN 01/06/2008 17:24:20 PAGE 3
116 1 while(1);
117 1 }
118
119 void int_0(void) interrupt 0 using 0
120 {
121 1 EX0 = 0; //关外部中断0
122 1 T10Stimes0 = 0xC8; //200次,共10s
123 1 INTF0 = 1; //置位检测标志
124 1 }
125 void int_1(void) interrupt 2 using 1
126 {
127 1 EX1 = 0;
128 1 T10Stimes1 = 0xC8;
129 1 INTF1 = 1;
130 1 }
131 void timer_1(void) interrupt 3 using 3
132 {
133 1 TH1=0x3C;
134 1 TL1=0xB0;
135 1
136 1 if(INTF0==1)
137 1 {
138 2 if(P3_2==0)
139 2 {
140 3 T10Stimes0--;
141 3 if(T10Stimes0==0)
142 3 {
143 4 P1_7=1;
144 4 INTF0=0;
145 4 T10Stimes0=0;
146 4 EX0=1;
147 4 }
148 3 }
149 2 else
150 2 {
151 3 // P1_7=0; //输出后要不要停？？
152 3 INTF0=0;
153 3 EX0=1;
154 3 T10Stimes0=0;
155 3 }
156 2 }
157 1 else
158 1 {
159 2 INTF0=0;
160 2 T10Stimes0=0;
161 2 EX0=1;
162 2 }
163 1
164 1 if(INTF1==1)
165 1 {
166 2 if(P3_3==0)
167 2 {
168 3 T10Stimes1--;
169 3 if(T10Stimes1==0)
170 3 {
171 4 P1_7=1;
172 4 INTF1=0;
173 4 T10Stimes1=0;
174 4 EX1=1;
175 4 }
176 3 }
177 2 else
C51 COMPILER V7.06 TCMAIN 01/06/2008 17:24:20 PAGE 4
178 2 {
179 3 //P1_7=0; //输出后要不要停？？
180 3 INTF1=0;
181 3 EX1=1;
182 3 T10Stimes1=0;
183 3 }
184 2 }
185 1 else
186 1 {
187 2 INTF1=0;
188 2 T10Stimes1=0;
189 2 EX1=1;
190 2 }
191 1 }
192
193 //定时器0中断外理中键扫描和显示
194 void KeyAndDis_Time0(void) interrupt 1 using 2
195 {
196 1 TH0=0xB1;
197 1 TL0=0xDF; //设定时值为20000us（20ms)
198 1
199 1 LEDPort = 0xFF;
200 1 if (!Key_UP)
201 1 KeyV = 1;
202 1 if (!Key_DOWN)
203 1 KeyV = 2;
204 1 if (!Key_SET)
205 1 KeyV = 3;
206 1 //KeySETDowning = 0; //清除
207 1 if (KeyV != 0) //有键按下
208 1 {
209 2 Delay_10ms(); //延时防抖 按下10ms再测
210 2 if (!Key_UP)
211 2 TempKeyV = 1;
212 2 if (!Key_DOWN)
213 2 TempKeyV = 2;
214 2 if (!Key_SET)
215 2 TempKeyV = 3;
216 2 if (KeyV == TempKeyV) //两次值相等为确定接下了键
217 2 {
218 3 if (KeyV == 3) //按下SET键，如在SET状态就退出，否则进入
219 3 {
220 4 //KeySETDowning = 1; //表明SET正在按下
221 4 PowTF = 0; //电源标识开
222 4 if (!KeyTF)
223 4 if (SetTF)
224 4 {
225 5 SetTF = 0; //标识位标识退出设定
226 5 InitDS1820(); //初始化
227 5 ROMDS1820(); //跳过ROM
228 5 TMWDS1820(); //写温度上限指令
229 5 WriteDS1820(); //写温度上限到DS18B20ROM
230 5 WriteDS1820(); //写温度上限到DS18B20ROM
231 5 WriteDS1820(); //写温度上限到DS18B20ROM
232 5 InitDS1820(); //初始化
233 5 ROMDS1820(); //跳过ROM
234 5 TMREDS1820(); //温度上限值COPY回E2PRAM
235 5 }
236 4 else
237 4 SetTF = 1;
238 4 if (!KeySETDown) //没有第一次按下SET时，KeySETDown标识置1
239 4 KeySETDown = 1;
C51 COMPILER V7.06 TCMAIN 01/06/2008 17:24:20 PAGE 5
240 4 else
241 4 KSDNum = KSDNum + 1; //前一秒内有按过SET则开始计数
242 4 }
243 3 if (SetTF) //在SET状态下
244 3 {
245 4 if ((KeyV == 1) && (!KeyTF))
246 4 TMSetV = TMSetV + 1; //上调温度
247 4 if ((KeyV == 2) && (!KeyTF))
248 4 TMSetV = TMSetV - 1; //下调温度
249 4 if (TMSetV <= -55) //限制温度上下限
250 4 TMSetV = -55;
251 4 if (TMSetV >= 125)
252 4 TMSetV = 125;
253 4 }
254 3 if ((!KeyTF) && (IntNum3 == 0)) KeyTF = 1; //当键盘处于可用时，锁定
255 3 }
256 2
257 2 if (KeySETDown) //在2秒内按下了SET则计中断发生次数用于长按SET时计时用
258 2 //IntNum = IntNum + 1;
259 2 //if (IntNum > 55) //中断发生了55次时（大约1.2秒）75为1.5秒左右
260 2 {
261 3 //IntNum = 0;
262 3 KeySETDown = 0;
263 3 if (KSDNum == 55) //如一直长按了SET1.2秒左右
264 3 {
265 4 RelayOutPort = 1; //关闭继电器输出
266 4 PowTF = 1; //电源标识关
267 4 LEDOneC = 0;
268 4 LEDTwoC = 0;
269 4 LEDThreeC = 0;
270 4 LEDPort = 0xBF; //显示"--"
271 4 Delay_4s(); //延时
272 4 LEDOneC = 1;
273 4 LEDTwoC = 1; //关显示
274 4 LEDThreeC = 1;
275 4 Delay_4s();
276 4 //IntNum = 0;
277 4 IntNum2 = 0;
278 4 IntNum3 = 0;
279 4 }
280 3 KSDNum = 0;
281 3 }
282 2 }
283 1 KeyV = 0;
284 1 TempKeyV = 0; //清空变量准备下次键扫描
285 1
286 1 if (!PowTF)
287 1 {
288 2 InitDS1820(); //初始化
289 2 ROMDS1820(); //跳过ROM
290 2 TMVDS1820(); //温度转换指令
291 2
292 2 Delay_510();
293 2 Delay_510(); //延时等待转换完成
294 2
295 2 InitDS1820(); //初始化
296 2 ROMDS1820(); //跳过ROM
297 2 TMRDS1820(); //读出温度指令
298 2 ReadDS1820(); //读出温度值
299 2
300 2 V2ToV(); //转换显示值
301 2 if (TMV > TMSetV) //根据采集到的温度值控制继电器
C51 COMPILER V7.06 TCMAIN 01/06/2008 17:24:20 PAGE 6
302 2 {
303 3 RelayOutPort = 0;
304 3 RelayOutfan = 1;
305 3 LEDhigh = 0 ;
306 3 LEDlow = 1;
307 3 }
308 2 else
309 2 {
310 3 RelayOutPort = 1;
311 3 RelayOutfan = 0;
312 3 LEDhigh = 1;
313 3 LEDlow = 0;
314 3 }
315 2
316 2 if (SetTF) IntNum2 = IntNum2 + 1; //用于闪烁计数
317 2 if (IntNum2 > 50 ) IntNum2 = 0;
318 2 if (KeyTF) IntNum3 = IntNum3 + 1; //用于防止按键连按
319 2 if (IntNum3 > 25)
320 2 {
321 3 IntNum3 = 0;
322 3 KeyTF = 0;
323 3 }
324 2
325 2 if ((SetTF) && (IntNum2 < 25)) goto InitEnd; //计数在后半段时显示
326 2 LEDPort = LED_One;
327 2 LEDOneC = 0;
328 2 Delay_510();
329 2 LEDOneC = 1; //显示百位数
330 2 LEDPort = LED_Two;
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