Secure IoT command sending (Arduino Server). There are many ways to secure and authenticate a networking communication, but not all solutions will run on a microcontroller, where processing power and memory is a scarce resource.
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/*
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.
*/
/* Galileo support from spaniakos <spaniakos@gmail.com> */
/**
* @file printf.h
*
* Setup necessary to direct stdout to the Arduino Serial library, which
* enables 'printf'
*/
#ifndef __PRINTF_H__
#define __PRINTF_H__
#if defined (ARDUINO) && !defined (__arm__) && !defined(__ARDUINO_X86__)
int serial_putc( char c, FILE * )
{
Serial.write( c );
return c;
}
void printf_begin(void)
{
fdevopen( &serial_putc, 0 );
}
#elif defined (__arm__)
void printf_begin(void){}
#elif defined(__ARDUINO_X86__)
int serial_putc( char c, FILE * )
{
Serial.write( c );
return c;
}
void printf_begin(void)
{
//JESUS - For reddirect stdout to /dev/ttyGS0 (Serial Monitor port)
stdout = freopen("/dev/ttyGS0","w",stdout);
delay(500);
printf("redirecting to Serial...");
//JESUS -----------------------------------------------------------
}
#else
#error This example is only for use on Arduino.
#endif // ARDUINO
#endif // __PRINTF_H__