?? 脈寬測(cè)量.lst
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C51 COMPILER V8.08 _隹聿_量 05/01/2010 20:52:46 PAGE 1
C51 COMPILER V8.08, COMPILATION OF MODULE _隹聿_量
OBJECT MODULE PLACED IN 脈寬測(cè)量.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 脈寬測(cè)量.c BROWSE DEBUG OBJECTEXTEND
line level source
1
2 /*============================================================
3 //DYP-ME007 超聲波測(cè)距模塊 DEMO 程序
4 //程序編寫：Tvrostar QQ： 77154401
5 //淘寶店鋪: wxdz.taobao.com
6
7 ==============================================================
8 SMC1602A(16*2)模擬口線接線方式
9 連接線圖:
10 ---------------------------------------------------
11 |LCM-----51 | LCM-----51 | LCM------51 |
12 --------------------------------------------------|
13 |DB0-----P1.0 | DB4-----P1.4 | RW-------P3.4 |
14 |DB1-----P1.1 | DB5-----P1.5 | RS-------P3.3 |
15 |DB2-----P1.2 | DB6-----P1.6 | E--------P3.5 |
16 |DB3-----P1.3 | DB7-----P1.7 | VLCD接1K電阻到GND|
17 ---------------------------------------------------
18 接線：模塊TRIG接 P2.6 ECH0 接P2.7
19
20 本程序源碼只供學(xué)習(xí)參考，不得應(yīng)用于商業(yè)用途，如有需要請(qǐng)聯(lián)系作者。
21
22 [注:AT89x51使用12M或11.0592M晶振,實(shí)測(cè)使用11.0592M]
23 =============================================================*/
24 #include <AT89x51.H> //器件配置文件
25 #include <intrins.h>
26 #define RX P2_7
27 #define TX P2_6
28
29 #define LCM_RW P3_4 //定義LCD引腳
30 #define LCM_RS P3_3
31 #define LCM_E P3_5
32 #define LCM_Data P1
33
34 #define Key_Data P2_0 //定義Keyboard引腳
35 #define Key_CLK P3_2
36
37 #define Busy 0x80 //用于檢測(cè)LCM狀態(tài)字中的Busy標(biāo)識(shí)
38
39 void LCMInit(void);
40 void DisplayOneChar(unsigned char X, unsigned char Y, unsigned char DData);
41 void DisplayListChar(unsigned char X, unsigned char Y, unsigned char code *DData);
42 void Delay5Ms(void);
43 void Delay400Ms(void);
44 void Decode(unsigned char ScanCode);
45 void WriteDataLCM(unsigned char WDLCM);
46 void WriteCommandLCM(unsigned char WCLCM,BuysC);
47
48 unsigned char ReadDataLCM(void);
49 unsigned char ReadStatusLCM(void);
50 unsigned char code mcustudio[] ={"mcustudio.com.cn"};
51 unsigned char code email[] = {"fhwxaoo@163.com "};
52 unsigned char code Cls[] = {" "};
53 unsigned char code ASCII[15] = {'0','1','2','3','4','5','6','7','8','9','.','-','M'};
54
55 static unsigned char DisNum = 0; //顯示用指針
C51 COMPILER V8.08 _隹聿_量 05/01/2010 20:52:46 PAGE 2
56 unsigned int time=0;
57 unsigned long S=0;
58 bit flag =0;
59 unsigned char disbuff[4] ={ 0,0,0,0,};
60
61
62 //寫數(shù)據(jù)
63 void WriteDataLCM(unsigned char WDLCM)
64 {
65 1 ReadStatusLCM(); //檢測(cè)忙
66 1 LCM_Data = WDLCM;
67 1 LCM_RS = 1;
68 1 LCM_RW = 0;
69 1 LCM_E = 0; //若晶振速度太高可以在這后加小的延時(shí)
70 1 LCM_E = 0; //延時(shí)
71 1 LCM_E = 1;
72 1 }
73
74 //寫指令
75 void WriteCommandLCM(unsigned char WCLCM,BuysC) //BuysC為0時(shí)忽略忙檢測(cè)
76 {
77 1 if (BuysC) ReadStatusLCM(); //根據(jù)需要檢測(cè)忙
78 1 LCM_Data = WCLCM;
79 1 LCM_RS = 0;
80 1 LCM_RW = 0;
81 1 LCM_E = 0;
82 1 LCM_E = 0;
83 1 LCM_E = 1;
84 1 }
85
86 //讀數(shù)據(jù)
87 unsigned char ReadDataLCM(void)
88 {
89 1 LCM_RS = 1;
90 1 LCM_RW = 1;
91 1 LCM_E = 0;
92 1 LCM_E = 0;
93 1 LCM_E = 1;
94 1 return(LCM_Data);
95 1 }
96
97 //讀狀態(tài)
98 unsigned char ReadStatusLCM(void)
99 {
100 1 LCM_Data = 0xFF;
101 1 LCM_RS = 0;
102 1 LCM_RW = 1;
103 1 LCM_E = 0;
104 1 LCM_E = 0;
105 1 LCM_E = 1;
106 1 while (LCM_Data & Busy); //檢測(cè)忙信號(hào)
107 1 return(LCM_Data);
108 1 }
109
110 void LCMInit(void) //LCM初始化
111 {
112 1 LCM_Data = 0;
113 1 WriteCommandLCM(0x38,0); //三次顯示模式設(shè)置，不檢測(cè)忙信號(hào)
114 1 Delay5Ms();
115 1 WriteCommandLCM(0x38,0);
116 1 Delay5Ms();
117 1 WriteCommandLCM(0x38,0);
C51 COMPILER V8.08 _隹聿_量 05/01/2010 20:52:46 PAGE 3
118 1 Delay5Ms();
119 1
120 1 WriteCommandLCM(0x38,1); //顯示模式設(shè)置,開始要求每次檢測(cè)忙信號(hào)
121 1 WriteCommandLCM(0x08,1); //關(guān)閉顯示
122 1 WriteCommandLCM(0x01,1); //顯示清屏
123 1 WriteCommandLCM(0x06,1); // 顯示光標(biāo)移動(dòng)設(shè)置
124 1 WriteCommandLCM(0x0F,1); // 顯示開及光標(biāo)設(shè)置
125 1 }
126
127 //按指定位置顯示一個(gè)字符
128 void DisplayOneChar(unsigned char X, unsigned char Y, unsigned char DData)
129 {
130 1 Y &= 0x1;
131 1 X &= 0xF; //限制X不能大于15，Y不能大于1
132 1 if (Y) X |= 0x40; //當(dāng)要顯示第二行時(shí)地址碼+0x40;
133 1 X |= 0x80; //算出指令碼
134 1 WriteCommandLCM(X, 1); //發(fā)命令字
135 1 WriteDataLCM(DData); //發(fā)數(shù)據(jù)
136 1 }
137
138 //按指定位置顯示一串字符
139 void DisplayListChar(unsigned char X, unsigned char Y, unsigned char code *DData)
140 {
141 1 unsigned char ListLength;
142 1
143 1 ListLength = 0;
144 1 Y &= 0x1;
145 1 X &= 0xF; //限制X不能大于15，Y不能大于1
146 1 while (DData[ListLength]>0x19) //若到達(dá)字串尾則退出
147 1 {
148 2 if (X <= 0xF) //X坐標(biāo)應(yīng)小于0xF
149 2 {
150 3 DisplayOneChar(X, Y, DData[ListLength]); //顯示單個(gè)字符
151 3 ListLength++;
152 3 X++;
153 3 }
154 2 }
155 1 }
156
157 //5ms延時(shí)
158 void Delay5Ms(void)
159 {
160 1 unsigned int TempCyc = 5552;
161 1 while(TempCyc--);
162 1 }
163
164 //400ms延時(shí)
165 void Delay400Ms(void)
166 {
167 1 unsigned char TempCycA = 5;
168 1 unsigned int TempCycB;
169 1 while(TempCycA--)
170 1 {
171 2 TempCycB=7269;
172 2 while(TempCycB--);
173 2 };
174 1 }
175 /********************************************************/
176 void Conut(void)
177 {
178 1 time=TH0*256+TL0;
179 1 TH0=0;
C51 COMPILER V8.08 _隹聿_量 05/01/2010 20:52:46 PAGE 4
180 1 TL0=0;
181 1
182 1 S=(time*1.7)/100; //算出來(lái)是CM
183 1 if((S>=700)||flag==1) //超出測(cè)量范圍顯示“-”
184 1 {
185 2 flag=0;
186 2
187 2 DisplayOneChar(0, 1, ASCII[11]);
188 2 DisplayOneChar(1, 1, ASCII[10]); //顯示點(diǎn)
189 2 DisplayOneChar(2, 1, ASCII[11]);
190 2 DisplayOneChar(3, 1, ASCII[11]);
191 2 DisplayOneChar(4, 1, ASCII[12]); //顯示M
192 2 }
193 1 else
194 1 {
195 2 disbuff[0]=S%1000/100;
196 2 disbuff[1]=S%1000%100/10;
197 2 disbuff[2]=S%1000%10 %10;
198 2 DisplayOneChar(0, 1, ASCII[disbuff[0]]);
199 2 DisplayOneChar(1, 1, ASCII[10]); //顯示點(diǎn)
200 2 DisplayOneChar(2, 1, ASCII[disbuff[1]]);
201 2 DisplayOneChar(3, 1, ASCII[disbuff[2]]);
202 2 DisplayOneChar(4, 1, ASCII[12]); //顯示M
203 2 }
204 1 }
205 /********************************************************/
206 void zd0() interrupt 1 //T0中斷用來(lái)計(jì)數(shù)器溢出,超過測(cè)距范圍
207 {
208 1 flag=1; //中斷溢出標(biāo)志
209 1 }
210 /********************************************************/
211 void StartModule() //啟動(dòng)模塊
212 {
213 1 TX=1; //啟動(dòng)一次模塊
214 1 _nop_();
215 1 _nop_();
216 1 _nop_();
217 1 _nop_();
218 1 _nop_();
219 1 _nop_();
220 1 _nop_();
221 1 _nop_();
222 1 _nop_();
223 1 _nop_();
224 1 _nop_();
225 1 _nop_();
226 1 _nop_();
227 1 _nop_();
228 1 _nop_();
229 1 _nop_();
230 1 _nop_();
231 1 _nop_();
232 1 _nop_();
233 1 _nop_();
234 1 _nop_();
235 1 TX=0;
236 1 }
237 /********************************************************/
238 void delayms(unsigned int ms)
239 {
240 1 unsigned char i=100,j;
241 1 for(;ms;ms--)
C51 COMPILER V8.08 _隹聿_量 05/01/2010 20:52:46 PAGE 5
242 1 {
243 2 while(--i)
244 2 {
245 3 j=10;
246 3 while(--j);
247 3 }
248 2 }
249 1 }
250 /*********************************************************/
251 void main(void)
252 {
253 1 unsigned char TempCyc;
254 1 Delay400Ms(); //啟動(dòng)等待，等LCM講入工作狀態(tài)
255 1 LCMInit(); //LCM初始化
256 1 Delay5Ms(); //延時(shí)片刻(可不要)
257 1 DisplayListChar(0, 0, mcustudio);
258 1 DisplayListChar(0, 1, email);
259 1 ReadDataLCM();//測(cè)試用句無(wú)意義
260 1 for (TempCyc=0; TempCyc<10; TempCyc++)
261 1 Delay400Ms(); //延時(shí)
262 1 DisplayListChar(0, 1, Cls);
263 1 while(1)
264 1 {
265 2 TMOD=0x01; //設(shè)T0為方式1，GATE=1；
266 2 TH0=0;
267 2 TL0=0;
268 2 ET0=1; //允許T0中斷
269 2 EA=1; //開啟總中斷
270 2
271 2 while(1)
272 2 {
273 3 StartModule();
274 3 // DisplayOneChar(0, 1, ASCII[0]);
275 3 while(!RX); //當(dāng)RX為零時(shí)等待
276 3 TR0=1; //開啟計(jì)數(shù)
277 3 while(RX); //當(dāng)RX為1計(jì)數(shù)并等待
278 3 TR0=0; //關(guān)閉計(jì)數(shù)
279 3 Conut(); //計(jì)算
280 3 delayms(80); //80MS
281 3
282 3 }
283 2 }
284 1 }
285
286
287
288
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 757 ----
CONSTANT SIZE = 66 ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 11 8
IDATA SIZE = ---- ----
BIT SIZE = 1 ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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