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📄 csy.lst

📁 本程序能实现温度的实时采集与显示
💻 LST
📖 第 1 页 / 共 5 页
字号:
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1101          };
1102          
1103          Uchar code TAB3[]={
1104          //--  调入了一幅图像:C:\Documents and Settings\1\My Documents\My Pictures\客户演示\3.bmp  --*
1105          //--  宽度x高度=128x64  --
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C51 COMPILER V7.06   CSY                                                                   11/16/2007 16:56:48 PAGE 19  

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1170          }
1171          
C51 COMPILER V7.06   CSY                                                                   11/16/2007 16:56:48 PAGE 20  

1172          */
1173          
1174          /*
1175          const Uchar delay=250;  //延时时间常数
1176          static void Wait1ms(void)//延迟1 ms
1177          {
1178            Uchar cnt=0;
1179            while (cnt<delay) cnt++;
1180          }
1181          //延迟n ms 
1182          void WaitNms(int n)
1183          {
1184              Uchar i;
1185              for(i=1;i<=n;i++)
1186                  Wait1ms();
1187          }
1188          
1189          
1190          
1191          //**************************************************************************
1192          //以下是并口时才开的
1193          //读忙标志,
1194          void RDBF(void)
1195          {
1196                  Uchar temp; 
1197                  RS=0;   // RS=0
1198                  RW=1;   // RW=1
1199                  while(1)
1200                  {
1201                      P1=0xFF;      //数据线为输入
1202                  E=1;
1203                  temp=P1;
1204                  E=0;    // E=0
1205                  if ((temp&0x80)==0) break;
1206              }   
1207          }
1208          //写数据到指令寄存器
1209          
1210          void WRCommand(Uchar comm)
1211          {
1212                  RDBF();
1213                  RW=0;
1214                  P1=comm;
1215                  E=1;
1216                  E=0;
1217          }
1218          //写数据到数据寄存器
1219          void WRData(Uchar TEMP)
1220          {
1221                  RDBF();
1222                  RS=1;
1223                  RW=0;
1224                  P1=TEMP;
1225                  E=1; 
1226                  E=0;
1227          
1228          }
1229          
1230          
1231          //初始化LCD-8位接口
1232          void LCDInit(void)
1233          {  //   PSB=0; //串口
C51 COMPILER V7.06   CSY                                                                   11/16/2007 16:56:48 PAGE 21  

1234              PSB=1;//并口时选这个,上一行取消
1235              REST=1;
1236              REST=0;
1237              REST=1;
1238                  WRCommand(0x30);        //基本指令集,8位并行
1239          
1240                  WRCommand(0x06);        //启始点设定:光标右移
1241          
1242                  WRCommand(0x01);        //清除显示DDRAM
1243          
1244                  WRCommand(0x0C);        //显示状态开关:整体显示开,光标显示关,光标显示反白关
1245          
1246                  WRCommand(0x02);        //地址归零      
1247          }
1248          
1249          //显示数组字符串(显示半宽字型16*8点阵)
1250          void ShowQQChar(Uchar addr,Uchar *english,Uchar count)
1251          {       
1252                  Uchar i;
1253                  WRCommand(addr);        //设定DDRAM地址
1254                  for(i=0;i<count;)
1255                  {       
1256                      WRData(english[i*2]);
1257                  WRData(english[i*2+1]);
1258                          i++;
1259              }
1260          }
1261          
1262          
1263          void firstscreen(void)
1264          {
1265          //一屏
1266             WRCommand(0x01);     //清除显示DDRAM
1267             ShowQQChar(0x80,chinese1,lengthCF1);
1268             ShowQQChar(0x90,chinese2,lengthCF2);
1269             ShowQQChar(0x88,chinese3,lengthCF3);
1270             ShowQQChar(0x98,chinese4,lengthCF4);
1271             WaitNms(250);                //等待时间
1272             WaitNms(250);                //等待时间
1273          
1274          }
1275          
1276          void secondscreen(void)
1277          {
1278          //二屏
1279             WRCommand(0x01);     //清除显示DDRAM
1280             ShowQQChar(0x80,chinese5,lengthCF5);
1281             ShowQQChar(0x90,chinese6,lengthCF6);
1282             ShowQQChar(0x88,chinese7,lengthCF7);
1283             ShowQQChar(0x98,chinese8,lengthCF8);
1284             WaitNms(250);                //等待时间
1285             WaitNms(250);                //等待时间
1286          
1287          }
1288          void thirdscreen(void)
1289          {
1290          //三屏
1291             WRCommand(0x01);     //清除显示DDRAM
1292             ShowQQChar(0x90,chinese9,lengthCF9);
1293             WaitNms(250);                //等待时间
1294             WaitNms(250);                //等待时间
1295          
C51 COMPILER V7.06   CSY                                                                   11/16/2007 16:56:48 PAGE 22  

1296          }
1297          //四屏
1298          void fourthscreen(void)
1299          {
1300             WRCommand(0x01);     //清除显示DDRAM
1301             ShowQQChar(0x80,chinese10,lengthCF10);
1302                WaitNms(100);             //等待时间
1303             ShowQQChar(0x90,chinese11,lengthCF11);
1304                   WaitNms(100);          //等待时间
1305             ShowQQChar(0x88,chinese12,lengthCF12);
1306                   WaitNms(100);          //等待时间
1307             ShowQQChar(0x98,chinese13,lengthCF13);
1308             WaitNms(250);                //等待时间
1309             WaitNms(250);                //等待时间
1310                WaitNms(250);             //等待时间
1311          }
1312          void fifthscreen(void)
1313          {
1314          //五屏
1315             WRCommand(0x01);     //清除显示DDRAM
1316             ShowQQChar(0x80,chinese14,lengthCF14);
1317         

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