common.h

/*-------------------------------------------------------------------
  common.h   by Jack Botner

     Copyright (c) Jack Botner and licensed under the MIT license.
   The MIT license states: Permission is hereby granted, free of charge,
   to any person obtaining a copy of this software and associated documentation
   files (the "Software"), to deal in the Software without restriction,
   including without limitation the rights to use, copy, modify, merge,
   publish, distribute, sublicense, and/or sell copies of the Software,
   and to permit persons to whom the Software is furnished to do so,
   subject to the following conditions:

   The above copyright notice and this permission notice shall be included
   in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
-------------------------------------------------------------------*/

#ifndef _COMMON_H_
#define _COMMON_H_ 1

#define BOOL    char

#define FALSE   0
#define TRUE    (!FALSE)
//#define NULL    0

#define nop() do { __asm__ __volatile__ ("nop"); } while (0)

// The following macros set/clear bits

#define set_bit(port,bit)  digitalWrite(bit, HIGH)
#define clear_bit(port,bit)  digitalWrite(bit, LOW)
#define test_bit( reg, bitNumb )   digitalRead(bitNumb)
//#define set_bit(port,bit)  (port |= (1<<bit))
//#define clear_bit(port,bit)  (port &= ~(1<<bit))
//#define test_bit( reg, bitNumb )   ((reg) & (1 << (bitNumb)))

#endif