Ajay Rai
Newbie level 1
Here is the code for pic18f4580
Warning:
lcdtest2.c:42: warning: (359) illegal conversion between pointer types
Code C - [expand] 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 #include <stdio.h> #include <stdlib.h> #include<pic18f4580.h> /* #define RS RB6 #define EN RB7 #define D0 RC0 #define D1 RC1 #define D2 RC2 #define D3 RC3 #define D4 RC4 #define D5 RC5 #define D6 RC6 #define D7 RC7 */ #include "lcdtest2.h" void main() { int i; //char str; TRISB = 0x00; TRISC = 0x00; Lcd8_Init(); while(1) { Lcd8_Set_Cursor(1,1); //str="ecosense"; //Lcd8_Write_String(str); Lcd8_Write_String("ecosense"); for(i=0;i<15;i++) { MSDelay(100); Lcd8_Shift_Left(); } for(i=0;i<15;i++) { MSDelay(100); Lcd8_Shift_Right(); } Lcd8_Clear(); Lcd8_Set_Cursor(2,1); Lcd8_Write_Char('e'); Lcd8_Write_Char('S'); MSDelay(2000); } } here is the header file: #ifndef LCDTEST2_H #define LCDTEST2_H #include<string.h> #ifdef __cplusplus extern "C" { #endif #ifdef __cplusplus } #endif #endif /* LCDTEST2_H */ #ifndef D0 #define D0 PORTBbits.RB0 #define D1 PORTBbits.RB1 #define D2 PORTBbits.RB2 #define D3 PORTBbits.RB3 #define D4 PORTBbits.RB4 #define D5 PORTBbits.RB5 #define D6 PORTBbits.RB6 #define D7 PORTBbits.RB7 #endif #define RS PORTCbits.RC0 #define EN PORTCbits.RC1 //LCD 8 Bit Interfacing Functions void MSDelay(unsigned int itime) { int i,j; for(i=0;i<itime;i++) for(j=0;j<165;j++); } void Lcd8_Port(char a) { if(a & 1) D0= 1; else D0= 0; if(a & 2) D1= 1; else D1= 0; if(a & 4) D2= 1; else D2= 0; if(a & 8) D3= 1; else D3= 0; if(a & 16) D4= 1; else D4= 0; if(a & 32) D5= 1; else D5= 0; if(a & 64) D6= 1; else D6= 0; if(a & 128) D7= 1; else D7= 0; } void Lcd8_Cmd(char a) { RS= 0; // => RS = 0 Lcd8_Port(a); //Data transfer EN = 1; // => E = 1 MSDelay(5); EN = 0; // => E = 0 } Lcd8_Clear() { Lcd8_Cmd(1); } void Lcd8_Set_Cursor(char a, char b) { if(a == 1) Lcd8_Cmd(0x80 + b); else if(a == 2) Lcd8_Cmd(0xC0 + b); } void Lcd8_Init() { Lcd8_Port(0x00); RS = 0; MSDelay(25); ///////////// Reset process from datasheet ///////// Lcd8_Cmd(0x30); MSDelay(5); Lcd8_Cmd(0x30); MSDelay(15); Lcd8_Cmd(0x30); ///////////////////////////////////////////////////// Lcd8_Cmd(0x38); //function set Lcd8_Cmd(0x0C); //display on,cursor off,blink off Lcd8_Cmd(0x01); //clear display Lcd8_Cmd(0x06); //entry mode, set increment } void Lcd8_Write_Char(char a) { RS= 1; // => RS = 1 Lcd8_Port(a); //Data transfer EN = 1; // => E = 1 MSDelay(4); EN = 0; // => E = 04 } void Lcd8_Write_String(char *a) { int i; for(i=0;a[i]!='\0';i++) Lcd8_Write_Char(a[i]); } void Lcd8_Shift_Right() { Lcd8_Cmd(0x1C); } void Lcd8_Shift_Left() { Lcd8_Cmd(0x18); } //End LCD 8 Bit Interfacing Functions
Warning:
lcdtest2.c:42: warning: (359) illegal conversion between pointer types
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