1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 | /*---------------------------------------- File: 1602cd.c Date:Loser007 May 6, 2018 11:11 ----------------------------------------*/ #include <AT89X52.h> #include "LCD1602.h" unsigned char code str1[] = "I love 51hei"; unsigned char code str2[] = "www.torrancerestoration.com/bbs/"; void main(void) { unsigned char l, r; LCD_Init(); LCD_XY_Show(0, 0, str1); LCD_XY_Show(1, 0, str2); while(1) { for(l = 0; l < 10; l++) { LCD_Flash_Left(); Delay(500); } for (r = 0; r < 10; r++) { LCD_Flash_Right(); Delay(500); } Delay(2000); } } /*---------------------------------------- File: LCD1602.H Date:Loser007 May 6, 2018 10:40 ----------------------------------------*/ #ifndef __LCD1602_H__ #define __LCD1602_H__ #pragma SAVE #pragma REGPARMS sbit RS = P2 ^ 7; sbit RW = P2 ^ 6; sbit EN = P2 ^ 5; extern void LCD_Delay(); extern void LCD_W_C(); //Wirte Command IOI extern void LCD_W_D(); //Wirte Data IO extern void LCD_EN(); //LCD Enable extern void LCD_DATA_IO(); //DAta extern void LCD_Write_Command(); //Wirte Command extern void LCD_Write_DATA(); //Wirte Data extern void LCD_Write_Custom(); //Custom Character extern void LCD_Set_XY (); //Set Cursor extern void LCD_Custom_Show(); //to Show Custom Character extern void LCD_Clear(); //Clear screen extern void LCD_Init(); //init extern void LCD_Flash(); // extern void Delay(); //old extern void LCD_Flash_Right(); // >> extern void LCD_Flash_Left(); // << void Delay(unsigned int n) //old { unsigned int i, j; for (i = n; i > 0; i--) for (j = 114; j > 0; j--); } void LCD_Delay() { unsigned int i, j; for (i = 50; i > 0; i--) for (j = 114; j > 0; j--); } void LCD_W_C() { RS = 0; RW = 0; } void LCD_W_D() { RS = 1; RW = 0; } void LCD_EN() { EN = 1; LCD_Delay(); EN = 0; LCD_Delay(); EN = 1; } void LCD_DATA_IO(unsigned char DATA_IO) { P0 = DATA_IO; } void LCD_Write_Command(unsigned char CMD) { LCD_W_C(); LCD_DATA_IO(CMD); LCD_EN(); } void LCD_Write_DATA(unsigned char DATA) { LCD_W_D(); LCD_DATA_IO(DATA); LCD_EN(); } void LCD_Write_Custom(unsigned int M, unsigned char S[]) { char m = 0; LCD_Write_Command(0x40 + M * 0x08); for (m = 0; m < 8; m++) { LCD_Write_DATA(S[m]); } } void LCD_Set_XY(unsigned int X, unsigned int Y) { unsigned char Address; if (X == 0) { Address = 0x80 + Y; } if (X == 1) { Address = 0xC0 + Y; } LCD_Write_Command(Address); } void LCD_Custom_Show(unsigned int X, unsigned int Y, unsigned int M) { LCD_Set_XY(X, Y); LCD_Write_DATA(M); } void LCD_XY_Show(unsigned X, unsigned Y, unsigned char *Str) { LCD_Set_XY(X, Y); while(*Str) { LCD_Write_DATA(*Str); Str++; } } void LCD_Show(unsigned char *Str) { while(*Str) { LCD_Write_DATA(*Str); Str++; } } void LCD_Clear() { LCD_Write_Command(0x01); } void LCD_Flash_Left() { LCD_Write_Command(0x18); } void LCD_Flash_Right() { LCD_Write_Command(0x1C); } void LCD_Init() { LCD_Write_Command(0x38); LCD_Write_Command(0x08); LCD_Write_Command(0x01); LCD_Write_Command(0x06); LCD_Write_Command(0x0c); } #endif |
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