GLCD va PIC

[tkpro]

Chào các bác!
Em đang điều khiển GLCD (TG12864A) với CCS và con Pic 18F4550 tuy nhiển chưa chạy. mong các bác trên diễn đàn, ai đã có kinh nghiệm chỉ giáo giúp. Thanks!
đoạn code của em nó như thế này:


//
//-----------------
#include<18f4550.h>
#device *=16 ADC=8
#FUSES NOWDT, HS, NOPUT, NOPROTECT, NODEBUG, NOBROWNOUT,NOLVP, NOCPD, NOWRT
#use delay(clock = 8000000)
#use rs232(baud=56000,parity=n,xmit=pin_C6,rcv=pin_C7)
# byte portA=0xf80 //byte thu 3968
# byte portB=0xf81
# byte portC=0xf82// 3970
# byte portD=0xf83
# byte portE=0xf84 // Byte 3972
#define D_PortE PORTE
#define Dir_PortE TRISE
#define D_PortB PORTB
#define Dir_PortB TRISB
#define D_PortC PORTC
#define Dir_PortC TRISC
#define GLCD_Data PORTD
// cac pin cong A
#define a5 31749 //3968x8+5
//----cac pin cong B--
// cac pin cong C
#bit EN =PORTB.0
#bit RW =PORTB.1
#bit DI =PORTB.2
// cac pin cong D
// cac pin cong E
#bit CS1= portE.0
#bit CS2= portE.1
//void bit_to_byte( )
//////////////////////////
void Enable_Pulse();
void GLCD_ON();
void goto_col(unsigned int x);
void goto_row(unsigned int y);
void GLCD_Clrln(unsigned int ln);
void GLCD_CLR();
void GLCD_Write(unsigned int b);
void GOTO_XY(unsigned int x,unsigned int y);
//signed char i;
// Tao xung Enable
int k,c;
void Enable_Pulse()
{
EN=1;
delay_us(5);
EN=0;
delay_us(5);
}
//
void GLCD_ON()
{
// Active both chips
CS1=0;
CS2=0;
DI=0; // DI=0---> command
RW=0; // RW=0---> Write;
GLCD_Data=0x3F;
//delay_us(5);
Enable_Pulse();
//delay_ms(1);
}
//
void goto_col(unsigned int x)
{
unsigned int Col_data;
DI=0;// command;
RW=0;
if(x<64) //left section
{
CS1 = 0; //select chip 1
CS2 = 1; //deselect chip 2
Col_Data = x; //put column address on data port
}
else //right section
{

CS2 = 0;
CS1 = 1;
Col_Data = x-64; //put column address on data port
}
Col_Data = (Col_Data | 0x40 ) & 0x7F; //Command format
GLCD_Data = Col_Data;
Enable_Pulse();
}
//
void goto_row(unsigned int y)
{
unsigned int Col_Data;
DI = 0; //RS low --> command
RW = 0; //RW low --> write
Col_Data = (y | 0xB8 ) & 0xBF; //put row address on data port set command
GLCD_Data = Col_Data;
Enable_Pulse();
}
void GLCD_Clrln(unsigned int ln)
{
int i;
GOTO_XY(0,ln); //At start of line of left side
GOTO_XY(64,ln); //At start of line of right side (Problem)
CS1 = 0;
for(i=0;i<65;i++)
GLCD_Write(0);
}
//
void GLCD_CLR()
{
unsigned int m;
for(m=0;m<8;m++){
GLCD_Clrln(m);
}
}
//
void GLCD_Write(unsigned int b)
{
DI = 1; //RS high --> data
RW = 0; //RW low --> write
GLCD_Data = b; //put data on data port
delay_us(1);
Enable_Pulse();
}
//
void GOTO_XY(unsigned int x,unsigned int y)
{
goto_col(x);
goto_row(y);
}
void main()
{
set_tris_A(0);
set_tris_B(0);
set_tris_C(0);
set_tris_D(0);
set_tris_E(0);
delay_ms(200);
while(true)
{
GLCD_ON();
delay_us(10);
//for(c=0;c<=128;c++)
//{
for(k=0;k<128;k++)
{
goto_xy(k,0);
delay_us(10);
glcd_write(1);
}

}
}