Hello all,
     Well I spoken a little bit too soon. The LCD initializes but I am=20
have trouble sending characters it. Here is the code of what I am trying=20
to send and I have also included the code that sends the character or=20
characters to the LCD. Well this isn't working. I get the new position=20
but there is no character or string. I have gotten down to the=20
LCD_Send_data is not working. The LCD_Send_cmd routine works correctly.=20
I just can't see what I have done wrong. Any help will be greatly=20
appreciated.
Thanks,
rich!
LCD_data =3D PORTD

LCD_set_position(3);
LCD_send_char('a');
LCD_send_string("Hello!");

extern void LCD_Send_cmd(unsigned char value)
     {
         LCD_data =3D value;
         LCD_rs =3D 0;
         LCD_rw =3D 0;
         LCD_e =3D 1;
         wait(30);
         LCD_e =3D 0;
}

extern void LCD_Send_data(unsigned char value)
     {
         LCD_data =3D value;
         LCD_rs =3D 1;
         LCD_rw =3D 0;
         LCD_e =3D 1;
         wait(30);
         LCD_e =3D 0;
     }

extern void LCD_send_char(char char_)
     {
         //LCD_data =3D char_;
         LCD_Send_data(char_);   //pulse the enable line
         wait(5);                //wait for 5 microseconds (us)
         //LCD_e    =3D 0;
         //wait(10);
         //read_busy_flag();       //wait for the LCD to finish
         //LCD_rs   =3D 0;
     }

extern void LCD_send_string(const char *string_data)
     {
     unsigned int i;
         for (i=3D0; string_data[i] !=3D '\0'; i++)
         {
             if ( string_data[i] =3D=3D '\n' || string_data[i] =3D=3D '\r')
             {
                 LCD_line2();
             }
             else
             {
                 LCD_send_char(string_data[i]);
             }
         }
     }

On 10/21/2015 11:46 PM, Richard R. Pope wrote:
> Hello Issac and et al,
>       Well I have gotten the 18F4550 to talk to the LCD correctly and I
> am now using the subroutines that I wrote for a 16F84a. I want to tell
> everyone just how much I appreciate the help that I received. This is a
> great place to get help.
> Thanks all,
> rich!

--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.