tmp.txt

/*
 * strobe:
 *	Toggle the strobe (Really the "E") pin to the device.
 *	According to the docs, data is latched on the falling edge.
 *********************************************************************************
 */

static void strobe (const struct lcdDataStruct *lcd)
{

// Note timing changes for new version of delayMicroseconds ()

  digitalWrite (lcd->strbPin, 1) ; delayMicroseconds (50) ;
  digitalWrite (lcd->strbPin, 0) ; delayMicroseconds (50) ;
}



https://github.com/WiringPi/WiringPi/tree/master/devLib



 
//Pin numbers below are the WiringPi pin numbers
 
#define LCD_RS  3               //Register select pin
#define LCD_E   0               //Enable Pin
#define LCD_D4  6               //Data pin 4
#define LCD_D5  1               //Data pin 5
#define LCD_D6  5               //Data pin 6
#define LCD_D7  4               //Data pin 7
 
int main()
{
    int lcd;                //Handle for LCD
    wiringPiSetup();        //Initialise WiringPi
 
    //Initialise LCD(int rows, int cols, int bits, int rs, int enable, int d0, int d1, int d2, int d3, int d4, int d5, int d6, int d7)
    if (lcd = lcdInit (2, 16,4, LCD_RS, LCD_E ,LCD_D4 , LCD_D5, LCD_D6,LCD_D7,0,0,0,0)){
            printf ("lcdInit failed! \n");
            return -1 ;
    }
 
    lcdPosition(lcd,0,0);           //Position cursor on the first line in the first column
    lcdPuts(lcd, "Character LCD");  //Print the text on the LCD at the current cursor postion
    getchar();                      //Wait for key press
    lcdClear(lcd);                  //Clear the display
}

    Lines 1 and 2 are required as these are the headers for the WiringPi LCD libr