標(biāo)題: 51單片機(jī)+1602函數(shù) Proteus仿真 [打印本頁(yè)]
作者: 美琴的備胎    時(shí)間: 2021-3-14 09:05
標(biāo)題: 51單片機(jī)+1602函數(shù) Proteus仿真


單片機(jī)源程序如下:
  1. /*---------------------------------------------------------------------
  2.                          LCD1602.C文件 LCD1602的函數(shù)  
  3. ----------------------------------------------------------------------*/

  5. #include "hardware.h"
  6. #include "lcd1602.h"

  8. void LCD_check_busy(void)   //檢測(cè)LCD狀態(tài)，看它是不是還在忙呢
  9. {
  10. while(1)
  11.   {
  12.    LCD_EN=0;
  13.    LCD_RS=0;
  14.    LCD_RW=1;
  15.    LCD_DATA=0xff;
  16.    LCD_EN=1;
  17.    if(!LCD_BUSY)break;
  18.   }
  19. LCD_EN=0;
  20. }

  22. void LCD_cls(void)          //LCD清屏
  23. {

  25. LCD_check_busy();
  26. LCD_RS=0;
  27. LCD_RW=0;
  28. LCD_DATA=1;
  29. LCD_EN=1;
  30. LCD_EN=0;

  32. }

  34. void LCD_write_instruction(unsigned char LCD_instruction)   //寫指令到LCD
  35. {
  36.   LCD_check_busy();
  37. LCD_RS=0;
  38. LCD_RW=0;

  40. LCD_DATA=LCD_instruction;
  41. LCD_EN=1;
  42. LCD_EN=0;
  43. }

  45. void LCD_write_data(unsigned char LCD_data)      //輸出一個(gè)字節(jié)數(shù)據(jù)到LCD
  46. {
  47.   LCD_check_busy();
  48. LCD_RS=1;
  49. LCD_RW=0;

  51. LCD_DATA=LCD_data;
  52. LCD_EN=1;
  53. LCD_EN=0;
  54. }

  56. void LCD_set_position(unsigned char x)            //LCD光標(biāo)定位到x處
  57. {
  58. LCD_write_instruction(0x80+x);
  59. }

  61. /*
  62. void LCD_go_home(void)                         //LCD光標(biāo)歸位
  63. {
  64. LCD_write_instruction(LCD_GO_HOME);
  65. }
  66. */

  68. void LCD_printc(unsigned char lcd_data)          //輸出一個(gè)字符到LCD
  69. {
  70. LCD_write_data(lcd_data);
  71. }

  73. void LCD_prints(unsigned char *lcd_string)       //輸出一個(gè)字符串到LCD
  74. {
  75. unsigned char i=0;
  76. while(lcd_string[i]!=0x00)
  77.   {
  78.    LCD_write_data(lcd_string[i]);
  79.    i++;
  80.   }
  81. }

  83. void LCD_initial(void)                        //初始化LCD
  84. {
  85. LCD_write_instruction(LCD_AC_AUTO_INCREMENT|LCD_MOVE_DISENABLE);
  86. LCD_write_instruction(LCD_DISPLAY_ON|LCD_CURSOR_OFF);
  87. LCD_write_instruction(LCD_DISPLAY_DOUBLE_LINE);
  88. LCD_cls();
  89. }
復(fù)制代碼

所有資料51hei提供下載:
項(xiàng)目.zip (73.85 KB, 下載次數(shù): 18)






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