graphic LCD 12864
2007-06-12 by mikanradojevic
Hello,
I have some avr gcc code for 12864 graphics lcd. In general there
are two files: glcd.h & glcd.c.
I hope that it can help to You.
glcd.h :
//----------------------------------------------------
//
// glcd.h
//----------------------------------------------------
#ifndef LCD_H
#define LCD_H
#define LCD_PAUSE 3
#define sbi(port,bit) (port |= (1<<bit))
#define cbi(port,bit) (port &= ~(1<<bit))
#define LCD_TRIS DDRC
#define LCD_DATA PORTC
#define ENABLE PD7
#define RW PD4
#define DI PD5
#define RESET PD6
#define CS1 PB1
#define CS2 PB0
#define LEFT 0b01
#define RIGHT 0b10
#define BOTH 0b11
#define NONE 0b00
//---------------------------------------------------
void _lcd_enable ( void );
unsigned char _lcd_status( void );
void _lcd_reset( void );
void _lcd_delay ( void );
void _lcd_write_data ( unsigned char ch );
void _lcd_write_cmd ( unsigned char ch );
unsigned char _lcd_read ( void );
void _lcd_select ( unsigned char ctr );
//---------------------------------------------------
void _lcd_init ( void );
void _lcd_on ( void );
void _lcd_off ( void );
void _lcd_clear ( void );
void _lcd_putc ( unsigned char x,
unsigned char y,
unsigned char ch );
void _lcd_puts ( unsigned char x,
unsigned char y,
char *str );
void _lcd_setpixel ( unsigned char x,
unsigned char y );
void _lcd_clrpixel ( unsigned char x,
unsigned char y );
unsigned char _lcd_get_byte ( unsigned char x,
unsigned char y );
void _lcd_v_line( unsigned char x0,
unsigned char x1,
unsigned char y0 );
void _lcd_h_line( unsigned char y0,
unsigned char y1,
unsigned char x0 );
void _lcd_center_str( unsigned int x, char *str);
void _lcd_right_str( unsigned int x, char *str);
//---------------------------------------------------
#endif
//----------------------------------------------------
// E.O.F. glcd.h
//----------------------------------------------------
glcd.c:
//----------------------------------------------------
//
// glcd.c
//----------------------------------------------------
//----------------------------------------------------
#include "glcd.h"
//----------------------------------------------------
const char tab_font[] = {
0x00, 0x00, 0x00, 0x00, 0x00,// (space)0
0x00, 0x00, 0x5F, 0x00, 0x00,// ! 5
0x00, 0x07, 0x00, 0x07, 0x00,// " 10
0x14, 0x7F, 0x14, 0x7F, 0x14,// # 15
0x24, 0x2A, 0x7F, 0x2A, 0x12,// $ 20
0x23, 0x13, 0x08, 0x64, 0x62,// % 25
0x36, 0x49, 0x55, 0x22, 0x50,// & 30
0x00, 0x05, 0x03, 0x00, 0x00,// ' 35
0x00, 0x1C, 0x22, 0x41, 0x00,// ( 40
0x00, 0x41, 0x22, 0x1C, 0x00,// ) 45
0x08, 0x2A, 0x1C, 0x2A, 0x08,// * 50
0x08, 0x08, 0x3E, 0x08, 0x08,// + 55
0x00, 0x50, 0x30, 0x00, 0x00,// , 60
0x08, 0x08, 0x08, 0x08, 0x08,// - 65
0x00, 0x30, 0x30, 0x00, 0x00,// . 70
0x20, 0x10, 0x08, 0x04, 0x02,// / 75
0x3E, 0x51, 0x49, 0x45, 0x3E,// 0 80
0x00, 0x42, 0x7F, 0x40, 0x00,// 1 85
0x42, 0x61, 0x51, 0x49, 0x46,// 2 90
0x21, 0x41, 0x45, 0x4B, 0x31,// 3 95
0x18, 0x14, 0x12, 0x7F, 0x10,// 4 100
0x27, 0x45, 0x45, 0x45, 0x39,// 5 105
0x3C, 0x4A, 0x49, 0x49, 0x30,// 6 110
0x01, 0x71, 0x09, 0x05, 0x03,// 7 115
0x36, 0x49, 0x49, 0x49, 0x36,// 8 120
0x06, 0x49, 0x49, 0x29, 0x1E,// 9 125
0x00, 0x36, 0x36, 0x00, 0x00,// : 130
0x00, 0x56, 0x36, 0x00, 0x00,// ; 135
0x00, 0x08, 0x14, 0x22, 0x41,// < 140
0x14, 0x14, 0x14, 0x14, 0x14,// = 145
0x41, 0x22, 0x14, 0x08, 0x00,// > 150
0x02, 0x01, 0x51, 0x09, 0x06,// ? 155
0x32, 0x49, 0x79, 0x41, 0x3E,// @ 160
0x7E, 0x11, 0x11, 0x11, 0x7E,// A 165
0x7F, 0x49, 0x49, 0x49, 0x36,// B 170
0x3E, 0x41, 0x41, 0x41, 0x22,// C 175
0x7F, 0x41, 0x41, 0x22, 0x1C,// D 180
0x7F, 0x49, 0x49, 0x49, 0x41,// E 185
0x7F, 0x09, 0x09, 0x01, 0x01,// F 190
0x3E, 0x41, 0x41, 0x51, 0x32,// G 195
0x7F, 0x08, 0x08, 0x08, 0x7F,// H 200
0x00, 0x41, 0x7F, 0x41, 0x00,// I 205
0x20, 0x40, 0x41, 0x3F, 0x01,// J 210
0x7F, 0x08, 0x14, 0x22, 0x41,// K 215
0x7F, 0x40, 0x40, 0x40, 0x40,// L 220
0x7F, 0x02, 0x04, 0x02, 0x7F,// M 225
0x7F, 0x04, 0x08, 0x10, 0x7F,// N 230
0x3E, 0x41, 0x41, 0x41, 0x3E,// O 235
0x7F, 0x09, 0x09, 0x09, 0x06,// P 240
0x3E, 0x41, 0x51, 0x21, 0x5E,// Q 245
0x7F, 0x09, 0x19, 0x29, 0x46,// R 250
0x46, 0x49, 0x49, 0x49, 0x31,// S 255
0x01, 0x01, 0x7F, 0x01, 0x01,// T 260
0x3F, 0x40, 0x40, 0x40, 0x3F,// U 265
0x1F, 0x20, 0x40, 0x20, 0x1F,// V 270
0x7F, 0x20, 0x18, 0x20, 0x7F,// W 275
0x63, 0x14, 0x08, 0x14, 0x63,// X 280
0x03, 0x04, 0x78, 0x04, 0x03,// Y 285
0x61, 0x51, 0x49, 0x45, 0x43,// Z 290
0x00, 0x00, 0x7F, 0x41, 0x41,// [
0x02, 0x04, 0x08, 0x10, 0x20,// "\"
0x41, 0x41, 0x7F, 0x00, 0x00,// ]
0x04, 0x02, 0x01, 0x02, 0x04,// ^
0x40, 0x40, 0x40, 0x40, 0x40,// _
0x00, 0x01, 0x02, 0x04, 0x00,// `
0x20, 0x54, 0x54, 0x54, 0x78,// a
0x7F, 0x48, 0x44, 0x44, 0x38,// b
0x38, 0x44, 0x44, 0x44, 0x20,// c
0x38, 0x44, 0x44, 0x48, 0x7F,// d
0x38, 0x54, 0x54, 0x54, 0x18,// e
0x08, 0x7E, 0x09, 0x01, 0x02,// f
0x08, 0x14, 0x54, 0x54, 0x3C,// g
0x7F, 0x08, 0x04, 0x04, 0x78,// h
0x00, 0x44, 0x7D, 0x40, 0x00,// i
0x20, 0x40, 0x44, 0x3D, 0x00,// j
0x00, 0x7F, 0x10, 0x28, 0x44,// k
0x00, 0x41, 0x7F, 0x40, 0x00,// l
0x7C, 0x04, 0x18, 0x04, 0x78,// m
0x7C, 0x08, 0x04, 0x04, 0x78,// n
0x38, 0x44, 0x44, 0x44, 0x38,// o
0x7C, 0x14, 0x14, 0x14, 0x08,// p
0x08, 0x14, 0x14, 0x18, 0x7C,// q
0x7C, 0x08, 0x04, 0x04, 0x08,// r
0x48, 0x54, 0x54, 0x54, 0x20,// s
0x04, 0x3F, 0x44, 0x40, 0x20,// t
0x3C, 0x40, 0x40, 0x20, 0x7C,// u
0x1C, 0x20, 0x40, 0x20, 0x1C,// v
0x3C, 0x40, 0x30, 0x40, 0x3C,// w
0x44, 0x28, 0x10, 0x28, 0x44,// x
0x0C, 0x50, 0x50, 0x50, 0x3C,// y
0x44, 0x64, 0x54, 0x4C, 0x44,// z
0x00, 0x08, 0x36, 0x41, 0x00,// {
0x00, 0x00, 0x7F, 0x00, 0x00,// |
0x00, 0x41, 0x36, 0x08, 0x00,// }
0x08, 0x08, 0x2A, 0x1C, 0x08,// ->
0x08, 0x1C, 0x2A, 0x08, 0x08 // <-
};
//---------------------------------------------------
//---------------------------------------------------
//---------------------------------------------------
#define LCD_CMD_ON 0x3E
#define LCD_CMD_START 0xC0
#define LCD_CMD_SET_Y 0x40
#define LCD_CMD_SET_X 0xB8
//---------------------------------------------------
//---------------------------------------------------
void _lcd_enable( void )
{
_lcd_delay();
sbi( PORTD, ENABLE );
_lcd_delay();
cbi( PORTD, ENABLE );
_lcd_delay();
}
//---------------------------------------------------
//---------------------------------------------------
unsigned char _lcd_status( void )
{
unsigned char ddrc, status;
ddrc = DDRC;
PORTC = 0;
DDRC = 0x00;
cbi(PORTD,DI);
sbi(PORTC,RW);
_lcd_enable();
status = PINC;
DDRC = ddrc;
return ( status );
}
//---------------------------------------------------
//---------------------------------------------------
void _lcd_reset( void )
{
_lcd_delay();
sbi(PORTD,RESET);
_lcd_delay();
cbi(PORTD,RESET);
}
//---------------------------------------------------
//---------------------------------------------------
void _lcd_delay ( void )
{
unsigned int i;
for(i=0; i<350; i++);
}
//---------------------------------------------------
//---------------------------------------------------
void _lcd_write_data ( unsigned char ch )
{
sbi( PORTD, DI);
cbi( PORTD, RW);
PORTC = ch;
_lcd_enable();
}
//---------------------------------------------------
//---------------------------------------------------
void _lcd_write_cmd ( unsigned char ch )
{
cbi(PORTD, DI);
cbi(PORTD, RW);
PORTC=ch;
_lcd_enable();
}
//---------------------------------------------------
//---------------------------------------------------
void _lcd_select ( unsigned char ctr )
{
PORTB&=0xfc;
PORTB|=ctr;
_lcd_delay();
}
//---------------------------------------------------
//---------------------------------------------------
void _lcd_init ( void )
{
_lcd_reset();
cbi(PORTD, ENABLE); // LCD_E=0;
_lcd_delay();
_lcd_delay();
sbi(PORTD, RESET); // LCD_RST=1;
_lcd_off();
_lcd_clear();
_lcd_on();
}
//---------------------------------------------------
//---------------------------------------------------
void _lcd_on ( void )
{
_lcd_select( 1 );
_lcd_write_cmd( LCD_CMD_ON + 1 );
_lcd_select( 2 );
_lcd_write_cmd( LCD_CMD_ON + 1 );
}
//---------------------------------------------------
//---------------------------------------------------
void _lcd_off ( void )
{
_lcd_select( 1 );
_lcd_write_cmd( LCD_CMD_ON );
_lcd_select( 2 );
_lcd_write_cmd( LCD_CMD_ON );
}
//---------------------------------------------------
//---------------------------------------------------
void _lcd_clear ( void )
{
unsigned char x=0, y=0;
_lcd_select( 3 );
for( x=0; x<8; x++)
{
_lcd_write_cmd( LCD_CMD_SET_X + x );
_lcd_write_cmd( LCD_CMD_SET_Y + 0 );
for(y=0; y<64; y++)
{
_lcd_write_data( 0 );
}
}
}
//---------------------------------------------------
//---------------------------------------------------
void _lcd_putc ( unsigned char x,
unsigned char y,
unsigned char ch )
{
unsigned char i=0;
unsigned int f_pos=0;
f_pos = (ch-32)*5;
_lcd_select(3);
_lcd_write_cmd( LCD_CMD_SET_X + x );
for( i=0; i< 5; i++ )
{
if( y < 64 )
{
_lcd_select(2);
_lcd_write_cmd( LCD_CMD_SET_Y + y );
}
else
{
_lcd_select(1);
_lcd_write_cmd( LCD_CMD_SET_Y + y - 64 );
}
_lcd_write_data( tab_font[f_pos+i] );
y++;
}
}
//---------------------------------------------------
//---------------------------------------------------
void _lcd_puts ( unsigned char x,
unsigned char y,
char *str )
{
while( *str )
{
_lcd_putc( x, y, *str );
y+=5;
str++;
}
}
//---------------------------------------------------
//---------------------------------------------------
unsigned char _lcd_read ( void )
{
unsigned char data=0;
PORTC = 0;
DDRC = 0X00;
sbi(PORTD, DI);
sbi(PORTD, RW);
_lcd_enable();
data = PINC;
DDRC = 0XFF;
return( data );
}
//---------------------------------------------------
//---------------------------------------------------
void _lcd_setpixel ( unsigned char x,
unsigned char y )
{
unsigned char dat=0;
dat = _lcd_get_byte(x,y);
_lcd_select(2-(y>>6));
y%=64;
_lcd_write_cmd( LCD_CMD_SET_X + (x>>3) );
_lcd_write_cmd( LCD_CMD_SET_Y + y );
sbi( dat, x%8 );
_lcd_write_data( dat );
}
//---------------------------------------------------
//---------------------------------------------------
void _lcd_clrpixel ( unsigned char x,
unsigned char y )
{
unsigned char dat=0;
dat = _lcd_get_byte(x,y);
_lcd_select(2-(y>>6));
y%=64;
_lcd_write_cmd( LCD_CMD_SET_X + (x>>3) );
_lcd_write_cmd( LCD_CMD_SET_Y + y );
cbi( dat, x%8 );
_lcd_write_data( dat );
}
//---------------------------------------------------
//---------------------------------------------------
unsigned char _lcd_get_byte ( unsigned char x,
unsigned char y )
{
_lcd_select(2-(y>>6));
y%=64;
_lcd_write_cmd( LCD_CMD_SET_X + (x>>3) );
_lcd_write_cmd( LCD_CMD_SET_Y + y );
_lcd_read();
return( _lcd_read() );
}
//---------------------------------------------------
//---------------------------------------------------
void _lcd_h_line( unsigned char x0,
unsigned char y0,
unsigned char y1 )
{
for( y0=y0; y0<=y1; y0++)
_lcd_setpixel(x0,y0);
}
//---------------------------------------------------
//---------------------------------------------------
void _lcd_v_line( unsigned char x0,
unsigned char x1,
unsigned char y0 )
{
for(x0=x0 ; x0<=x1; x0++)
{
_lcd_setpixel(x0,y0);
}
}
//---------------------------------------------------
//---------------------------------------------------
void _lcd_center_str( unsigned int x, char *str)
{
unsigned char y;
y=(strlen(str)*5)/2;
if( y>63 )
y=63;
y=64-y;
_lcd_puts(x,y,str);
}
//---------------------------------------------------
//---------------------------------------------------
void _lcd_right_str( unsigned int x, char *str)
{
unsigned char y;
y=(strlen(str)*5);
if( y>127 )
y=127;
y=127-y;
_lcd_puts(x,y,str);
}
//----------------------------------------------------
//----------------------------------------------------
// E.O.F. glcd.h
//----------------------------------------------------