rf24-pio/examples/pingpair_sleepy/printf.h

38 lines
656 B
C
Executable File

/*
Copyright (C) 2011 J. Coliz <maniacbug@ymail.com>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
*/
/**
* @file printf.h
*
* Setup necessary to direct stdout to the Arduino Serial library, which
* enables 'printf'
*/
#ifndef __PRINTF_H__
#define __PRINTF_H__
#ifdef ARDUINO
int serial_putc( char c, FILE * )
{
Serial.write( c );
return c;
}
void printf_begin(void)
{
fdevopen( &serial_putc, 0 );
}
#else
#error This example is only for use on Arduino.
#endif // ARDUINO
#endif // __PRINTF_H__