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mikro c v5.6.1
pic 18f4550
20MHz oscilator(15pf)
Hello. I can't get lcd to work.He always shows squares. Frequency is set to 48 MHz.
Diplay is ok because he worked with pic 16f887.When I try 18f with led's(using diferent delays) he works ok.
here is code:
pic 18f4550
20MHz oscilator(15pf)
Hello. I can't get lcd to work.He always shows squares. Frequency is set to 48 MHz.
Diplay is ok because he worked with pic 16f887.When I try 18f with led's(using diferent delays) he works ok.
here is code:
Code:
// LCD module connections
sbit LCD_RS at latb4_bit;
sbit LCD_EN at latb5_bit;
sbit LCD_D4 at latb0_bit;
sbit LCD_D5 at latb1_bit;
sbit LCD_D6 at latb2_bit;
sbit LCD_D7 at latb3_bit;
sbit LCD_RS_Direction at TRISB4_bit;
sbit LCD_EN_Direction at TRISB5_bit;
sbit LCD_D4_Direction at TRISB0_bit;
sbit LCD_D5_Direction at TRISB1_bit;
sbit LCD_D6_Direction at TRISB2_bit;
sbit LCD_D7_Direction at TRISB3_bit;
// End LCD module connections
char txt1[] = "mikroElektronika";
char txt2[] = "EasyPIC6";
char txt3[] = "Lcd4bit";
char txt4[] = "example";
char i; // Loop variable
void Move_Delay() { // Function used for text moving
Delay_ms(500); // You can change the moving speed here
}
void main(){
adcon1=0x07; // Configure AN pins as digital I/O
trisb=0;
trisd=0;
PORTB=0;
Delay_ms(2000);
portd=255;
Lcd_Init(); // Initialize LCD
Delay_ms(2000);
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF); // Cursor off
Lcd_Out(1,6,txt3); // Write text in first row
Lcd_Out(2,6,txt4); // Write text in second row
Delay_ms(2000);
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Out(1,1,txt1); // Write text in first row
Lcd_Out(2,5,txt2); // Write text in second row
Delay_ms(2000);
// Moving text
for(i=0; i<4; i++) { // Move text to the right 4 times
Lcd_Cmd(_LCD_SHIFT_RIGHT);
Move_Delay();
}
while(1) { // Endless loop
for(i=0; i<8; i++) { // Move text to the left 7 times
Lcd_Cmd(_LCD_SHIFT_LEFT);
Move_Delay();
}
for(i=0; i<8; i++) { // Move text to the right 7 times
Lcd_Cmd(_LCD_SHIFT_RIGHT);
Move_Delay();
}
}
}