Exemplo n.º 1
0
Arquivo: lcd.c Projeto: sshakuf/mdop
void SendLCD(UCHAR command, UCHAR data1) 
{

   /* Wait for the busy flag to clear */
   LCD_busy();
   
   /* Set RW low, RS high, CS low to write the instruction command */
   LCD_rw = 0;
   LCD_rs = 1;
   LCD_cs = 0;

   LCD_data = swap(command);
   LCD_busy();
   lcd_strobe_enable();
   LCD_busy();

   /* Set RW low, RS low to write the instruction data */
   LCD_rw = 0;
   LCD_rs = 0;
   LCD_data = swap(data1);
   LCD_busy();
   lcd_strobe_enable();
   LCD_busy();

}
Exemplo n.º 2
0
Arquivo: lcd.c Projeto: sshakuf/mdop
void lcd_strobe_enable(void) {
   LCD_en = 1;
   LCD_busy();;
   LCD_en = 0;
   LCD_busy();; 

}
Exemplo n.º 3
0
Arquivo: lcd.c Projeto: sshakuf/mdop
void LCD_command(unsigned char var, UCHAR inIsData)
{
	// inIsData - low instraction - High Data

	 unsigned char i;


	 LCD_rw   = 1;
     //LCD_data = var;      //Function set: 2 Line, 8-bit, 5x7 dots
	 LCD_data = swap(var);
     LCD_rs   = 0;        //Selected command register
	 if (inIsData == 1)
	 {
     LCD_rs   = 1;        //Selected command register
	 }
     LCD_rw   = 0;        //We are writing in instruction register
	 LCD_cs = 0;
	 for(i=0;i<250;i++);
	 LCD_en   = 1;
	 for(i=0;i<250;i++);
     LCD_en   = 0;
	 LCD_busy();


     LCD_rs   = 1;        //Selected command register
	 if (inIsData == 1)
	 {
     LCD_rs   = 0;        //Selected command register
	 }
	 LCD_rw   = 1;
	 LCD_cs = 1;

}
Exemplo n.º 4
0
void lcd_cmd (char cmd)
{
    LCD_data_port = cmd;

    LCD_port_EN |= LCD_EN;
    LCD_port_EN &= ~LCD_EN;
    LCD_busy();
}
Exemplo n.º 5
0
// Function to display single Character
void lcd_data (unsigned char dat)
{
    LCD_port_RS |= LCD_RS;  /* Data register */
    LCD_data_port =dat;     /* set data */
    LCD_port_EN |= LCD_EN;  /* Starts data */
    LCD_port_EN &= ~LCD_EN;
    LCD_port_RS &= ~LCD_RS; /* instruction register */
    LCD_busy();
}
Exemplo n.º 6
0
//* LCD Display Character
void cprint(char dval){
    LCD_busy();                         // wait for busy to clear
    LCD_DAT = dval;                     // ouptut data
}
Exemplo n.º 7
0
void LCD_Command(unsigned char cval){
//unsigned char cval;
    LCD_busy();                         // wait for busy to clear
    LCD_CMD = cval;                     // ouptut command
}