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C51 COMPILER V9.56.0.0 LCD 04/06/2022 21:56:10 PAGE 1
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C51 COMPILER V9.56.0.0, COMPILATION OF MODULE LCD
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OBJECT MODULE PLACED IN lcd.OBJ
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COMPILER INVOKED BY: D:\Keil_v5\C51\BIN\C51.EXE lcd.c OPTIMIZE(8,SPEED) BROWSE DEBUG OBJECTEXTEND TABS(2)
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line level source
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1 #include "lcd.h"
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2
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3
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4 void Read_Busy() //æ<EFBFBD><EFBFBD><EFBFBD>⺯<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>bit7<EFBFBD><EFBFBD>0<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>У<EFBFBD>1<EFBFBD><EFBFBD>ֹ
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5 {
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6 1 unsigned char sta; //
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7 1 LCD1602_DB = 0xff;
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8 1 LCD1602_RS = 0;
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9 1 LCD1602_RW = 1;
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10 1 do
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11 1 {
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12 2 LCD1602_EN = 1;
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13 2 sta = LCD1602_DB;
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14 2 LCD1602_EN = 0; //ʹ<EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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15 2 }while(sta & 0x80);
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16 1 }
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17
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18 void Lcd1602_Write_Cmd(unsigned char cmd) //д<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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19 {
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20 1 Read_Busy();
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21 1 LCD1602_RS = 0;
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22 1 LCD1602_RW = 0;
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23 1 LCD1602_DB = cmd;
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24 1 LCD1602_EN = 1;
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25 1 LCD1602_EN = 0;
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26 1 }
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27
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28 void Lcd1602_Write_Data(unsigned char dat) //д<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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29 {
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30 1 Read_Busy();
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31 1 LCD1602_RS = 1;
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32 1 LCD1602_RW = 0;
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33 1 LCD1602_DB = dat;
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34 1 LCD1602_EN = 1;
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35 1 LCD1602_EN = 0;
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36 1 }
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37
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38 void LcdSetCursor(unsigned char x,unsigned char y) //<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ
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39 {
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40 1 unsigned char addr;
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41 1 if(y == 0)
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42 1 addr = 0x00 + x;
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43 1 else
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44 1 addr = 0x40 + x;
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45 1
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46 1 Lcd1602_Write_Cmd(addr|0x80);
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47 1 }
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48
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49 //<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾһ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD>
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50 void DisplayOneChar(unsigned char X, unsigned char Y, unsigned char DData)
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51 {
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52 1 Y &= 0x1;
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53 1 X &= 0xF; //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>X<EFBFBD><EFBFBD><EFBFBD>ܴ<EFBFBD><EFBFBD><EFBFBD>15<EFBFBD><EFBFBD>Y<EFBFBD><EFBFBD><EFBFBD>ܴ<EFBFBD><EFBFBD><EFBFBD>1
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54 1 if (Y) X |= 0x40; //<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD>ʾ<EFBFBD>ڶ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD>+0x40;
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55 1 X |= 0x80; //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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C51 COMPILER V9.56.0.0 LCD 04/06/2022 21:56:10 PAGE 2
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56 1 Lcd1602_Write_Cmd(X); //<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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57 1 Lcd1602_Write_Data(DData); //<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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58 1 }
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59
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60
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61 void LcdShowStr(unsigned char x,unsigned char y,unsigned char *str) //<EFBFBD><EFBFBD>ʾ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
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62 {
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63 1 LcdSetCursor(x,y); //<EFBFBD><EFBFBD>ǰ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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64 1 while(*str != '\0')
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65 1 {
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66 2 Lcd1602_Write_Data(*str++);
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67 2 }
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68 1 }
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69
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70 void InitLcd1602() //1602<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>
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71 {
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72 1 Lcd1602_Write_Cmd(0x38); //<EFBFBD><EFBFBD>5*8,8λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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73 1 Lcd1602_Write_Cmd(0x0c);
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74 1 Lcd1602_Write_Cmd(0x06);
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75 1 Lcd1602_Write_Cmd(0x01); //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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76 1 }
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MODULE INFORMATION: STATIC OVERLAYABLE
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CODE SIZE = 157 ----
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CONSTANT SIZE = ---- ----
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XDATA SIZE = ---- ----
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PDATA SIZE = ---- ----
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DATA SIZE = ---- 3
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IDATA SIZE = ---- ----
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BIT SIZE = ---- ----
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END OF MODULE INFORMATION.
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C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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