| /* |
| Copyright (c) 2011 Arduino. All right reserved. |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| See the GNU Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef _WIRING_CONSTANTS_ |
| #define _WIRING_CONSTANTS_ |
| |
| #ifdef __cplusplus |
| extern "C"{ |
| #endif // __cplusplus |
| |
| #define HIGH 0x1 |
| #define LOW 0x0 |
| |
| #define INPUT 0x0 |
| #define OUTPUT 0x1 |
| |
| #define true 0x1 |
| #define false 0x0 |
| |
| #define PI 3.1415926535897932384626433832795 |
| #define HALF_PI 1.5707963267948966192313216916398 |
| #define TWO_PI 6.283185307179586476925286766559 |
| #define DEG_TO_RAD 0.017453292519943295769236907684886 |
| #define RAD_TO_DEG 57.295779513082320876798154814105 |
| |
| #define SERIAL 0x0 |
| #define DISPLAY 0x1 |
| |
| #define LSBFIRST 0 |
| #define MSBFIRST 1 |
| |
| #define CHANGE 1 |
| #define FALLING 2 |
| #define RISING 3 |
| |
| #define DEFAULT 1 |
| #define EXTERNAL 0 |
| |
| // undefine stdlib's abs if encountered |
| #ifdef abs |
| #undef abs |
| #endif // abs |
| |
| #ifndef min |
| #define min(a,b) ((a)<(b)?(a):(b)) |
| #endif // min |
| |
| #ifndef max |
| #define max(a,b) ((a)>(b)?(a):(b)) |
| #endif // max |
| |
| #define abs(x) ((x)>0?(x):-(x)) |
| #define constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt))) |
| #define round(x) ((x)>=0?(long)((x)+0.5):(long)((x)-0.5)) |
| #define radians(deg) ((deg)*DEG_TO_RAD) |
| #define degrees(rad) ((rad)*RAD_TO_DEG) |
| #define sq(x) ((x)*(x)) |
| |
| #define interrupts() __enable_irq() |
| #define noInterrupts() __disable_irq() |
| |
| #define lowByte(w) ((uint8_t) ((w) & 0xff)) |
| #define highByte(w) ((uint8_t) ((w) >> 8)) |
| |
| #define bitRead(value, bit) (((value) >> (bit)) & 0x01) |
| #define bitSet(value, bit) ((value) |= (1UL << (bit))) |
| #define bitClear(value, bit) ((value) &= ~(1UL << (bit))) |
| #define bitWrite(value, bit, bitvalue) (bitvalue ? bitSet(value, bit) : bitClear(value, bit)) |
| |
| typedef unsigned int word; |
| |
| #define bit(b) (1UL << (b)) |
| |
| // TODO: to be checked |
| typedef uint8_t boolean ; |
| typedef uint8_t byte ; |
| |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif // __cplusplus |
| |
| #endif /* _WIRING_CONSTANTS_ */ |