abhishekdixit
Full Member level 2
hello,
i am interfacing graphical LCD with LPC2138 micro controller. but their is a some problem genrating in my code, due to this i am unable to interface my LCD. I am attaching my code & proteus file with this post.
please help me to remove my problem..
& my proteus file is this
View attachment New Picture (1).bmp
thanks,
with regards
Abhishek Dixit
i am interfacing graphical LCD with LPC2138 micro controller. but their is a some problem genrating in my code, due to this i am unable to interface my LCD. I am attaching my code & proteus file with this post.
please help me to remove my problem..
Code:
#include<LPC213X.H>
#define RST 4
#define E 5
#define RW 6
#define DI 7
#define CS1 8
#define CS2 9
#define LED 18
void lcd_cmd(unsigned char);
void lcd_data(unsigned char);
void lcd_inilize();
void shift(int);
void delay(unsigned int);
void display();
void page_address(int);
void column_address(int);
void left_side(int,char);
void right_side(int,char);
void clear_screen();
void start_line(int);
/*const unsigned char truck[1024] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, 128, 64, 64, 64, 64, 64, 64, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 160, 160, 160, 96, 224, 224, 96, 96, 96, 32, 0, 32, 32, 32, 32, 32, 32, 32, 32, 32, 0, 0, 64, 64, 64, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 254, 0, 1, 1, 1, 1, 1, 253, 253, 253, 253, 1, 1, 1, 1, 1, 1, 253, 253, 253, 253, 1, 1, 1, 1, 253, 253, 253, 253, 249, 241, 225, 193, 129, 193, 225, 249, 253, 253, 253, 253, 253, 1, 1, 1, 1, 253, 253, 253, 253, 221, 221, 221, 29, 17, 1, 255, 1, 1, 1, 1, 0, 254, 1, 168, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 16, 224, 24, 36, 132, 0, 2, 130, 5, 81, 68, 112, 160, 192, 96, 96, 32, 0, 128, 128, 192, 192, 192, 64, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 63, 96, 96, 96, 224, 96, 96, 127, 127, 127, 127, 124, 124, 124, 124, 96, 96, 127, 127, 127, 127, 96, 96, 96, 96, 127, 127, 127, 127, 97, 103, 111, 127, 127, 111, 103, 99, 97, 127, 127, 127, 127, 96, 96, 96, 96, 127, 127, 127, 127, 125, 125, 125, 124, 116, 96, 127, 64, 64, 64, 160, 96, 252, 246, 1, 14, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 66, 114, 60, 32, 16, 16, 0, 4, 2, 3, 2, 0, 0, 0, 4, 4, 4, 4, 20, 16, 16, 16, 16, 16, 9, 9, 41, 112, 32, 67, 5, 240, 126, 174, 128, 56, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 127, 127, 127, 127, 255, 255, 247, 251, 123, 191, 95, 93, 125, 189, 189, 63, 93, 89, 177, 115, 243, 229, 207, 27, 63, 119, 255, 207, 191, 255, 255, 255, 255, 255, 255, 255, 255, 127, 127, 127, 127, 127, 127, 127, 127, 255, 255, 255, 127, 127, 125, 120, 120, 120, 120, 120, 248, 120, 120, 120, 120, 120, 120, 248, 248, 224, 135, 0, 0, 0, 0, 0, 0, 0, 0, 128, 240, 248, 120, 188, 220, 92, 252, 28, 28, 60, 92, 92, 60, 120, 248, 248, 96, 192, 143, 168, 216, 136, 49, 68, 72, 2, 160, 96, 0, 0, 0, 0, 0, 0,
0, 0, 0, 128, 192, 248, 248, 248, 248, 252, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 255, 255, 255, 255, 255, 246, 239, 208, 246, 174, 173, 169, 128, 209, 208, 224, 247, 249, 255, 255, 252, 220, 240, 127, 255, 223, 255, 255, 255, 255, 255, 255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 254, 255, 255, 255, 255, 255, 255, 255, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 255, 255, 255, 255, 255, 255, 254, 255, 190, 255, 255, 253, 240, 239, 221, 223, 254, 168, 136, 170, 196, 208, 228, 230, 248, 127, 126, 156, 216, 224, 240, 240, 242, 242, 240, 177, 32, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 1, 1, 1, 1, 3, 3, 3, 7, 7, 7, 7, 7, 15, 15, 15, 7, 15, 15, 15, 7, 7, 15, 14, 15, 13, 15, 47, 43, 43, 43, 43, 43, 47, 111, 239, 255, 253, 253, 255, 254, 255, 255, 255, 255, 255, 191, 191, 239, 239, 239, 191, 255, 191, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127, 127, 127, 127, 255, 255, 191, 191, 191, 191, 255, 254, 255, 253, 255, 255, 255, 251, 255, 255, 255, 127, 125, 63, 31, 31, 31, 31, 31, 31, 63, 15, 15, 7, 7, 3, 3, 3, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 11, 11, 11, 11, 7, 3, 14, 6, 6, 6, 2, 18, 19, 19, 3, 23, 21, 21, 17, 1, 19, 19, 3, 6, 6, 14, 15, 15, 7, 15, 15, 15, 11, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};*/
void display()
{
IOCLR0|=1<<DI;
IOCLR0|=1<<RW;
lcd_data(0x3E);
delay(100);
lcd_data(0x3F);
}
void lcd_initilize()
{
display();
IOSET0|=1<<RST;
IOCLR0|=1<<E;
IOCLR0|=1<<CS1;
IOCLR0|=1<<CS2;
}
void page_address(int i)
{
int k;
IOCLR0|=1<<DI;
IOCLR0|=1<<RW;
k=(0x0b8|i);
lcd_cmd(k);
delay(100);
}
void column_address(int i)
{
int k;
IOCLR0|=1<<DI;
IOCLR0|=1<<RW;
k=(0x40|i);
lcd_cmd(k);
delay(100);
}
void left_side (int i,char value)
{
unsigned int a;
IOSET0|=1<<CS2;
IOCLR0|=1<<CS1;
for(a=0;a<i;a++)
{
lcd_data(value);
delay(100);
}
}
void right_side(int i,char value)
{
unsigned int a;
IOCLR0|=1<<CS2;
IOSET0|=1<<CS1;
for(a=0;a<i;a++)
{
lcd_data(value);
delay(100);
}
}
void start_line(int i)
{
IOCLR0|=1<<CS1;
IOCLR0|=1<<CS2;
lcd_cmd(i);
delay(100);
}
void lcd_cmd(unsigned char value)
{
IOCLR0|=1<<DI;
delay(7);
IOCLR0|=1<<RW;
delay(7);
shift(value);
delay(100);
IOSET0|=1<<E;
delay(100);
IOCLR0|=1<<E;
}
void lcd_data(unsigned char value)
{
IOSET0|=1<<DI;
delay(7);
IOCLR0|=1<<RW;
delay(7);
shift(value);
delay(7);
IOSET0|=1<<E;
delay(7);
IOCLR0|=1<<E;
}
void shift(int value1)
{
unsigned int j;
for(j=0;j<8;j++)
{
if(value1 & 0x01)
{
IOSET0|=1<<(j+10);
}
else
{
IOCLR0|=1<<(j+10);
}
value1=value1>>1;
}
}
void delay(unsigned int a)
{ unsigned int i;
for(i=0;i<a;i++)
{
T0MR0= 3000;
T0MCR= 0x04;
T0TCR= 0x01;
while(T0TC<T0MR0);
T0TC=0;
}
}
void clear_screen()
{// int i=0;
char a=0;
char b=0;
for(a=0;a<8;a++)
{
IOCLR0|=1<<CS1;
IOSET0|=1<<CS2;
lcd_cmd(0x0b8 |a);
lcd_cmd(0x040);
for(b=0;b<128;b++)
{
if(b==64)
{
IOCLR0|=1<<CS2;
IOSET0|=1<<CS1;
lcd_cmd(0x0b8|a);
lcd_cmd(0x040);
}
lcd_data(0x000);
}
}
}
int main(void)
{
IODIR0|=0x07fff0;
unsigned char s=0;
lcd_initilize();
while(1)
{
IOCLR0|=1<<CS1;
IOCLR0|=1<<CS2;
/* lcd_cmd(0x0b8);
delay(100);
lcd_cmd(0x040);
delay(100);
for(i=0;i<64;i++)
{
lcd_data(0x000);
delay(100);
} */
lcd_cmd(0x0b8);
delay(100);
lcd_cmd(0x040);
delay(100);
for(s=0;s<256;s++)
{
lcd_data(0x000);
delay(100);
}
}
return 0;
}& my proteus file is this
View attachment New Picture (1).bmp
thanks,
with regards
Abhishek Dixit
