Function pcf8591Setup

wiringPi/pcf8591.c:80–95

 */

int pcf8591Setup (const int pinBase, const int i2cAddress)
{
  int fd ;
  struct wiringPiNodeStruct *node ;

  if ((fd = wiringPiI2CSetup (i2cAddress)) < 0)
    return false ;

  node = wiringPiNewNode (pinBase, 4) ;

  node->fd          = fd ;
  node->analogRead  = myAnalogRead ;
  node->analogWrite = myAnalogWrite ;

  return true ;
}