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- /*
- * wiringPi:
- * Arduino compatable (ish) Wiring library for the Raspberry Pi
- * Copyright (c) 2012 Gordon Henderson
- ***********************************************************************
- * This file is part of wiringPi:
- * https://projects.drogon.net/raspberry-pi/wiringpi/
- *
- * wiringPi 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 3 of the License, or
- * (at your option) any later version.
- *
- * wiringPi 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 wiringPi. If not, see <http://www.gnu.org/licenses/>.
- ***********************************************************************
- */
- // Handy defines
- #define NUM_PINS 17
- #define WPI_MODE_PINS 0
- #define WPI_MODE_GPIO 1
- #define WPI_MODE_GPIO_SYS 2
- #define WPI_MODE_PIFACE 3
- #define INPUT 0
- #define OUTPUT 1
- #define PWM_OUTPUT 2
- #define LOW 0
- #define HIGH 1
- #define PUD_OFF 0
- #define PUD_DOWN 1
- #define PUD_UP 2
- // Function prototypes
- // c++ wrappers thanks to a commend by Nick Lott
- // (and others on the Raspberry Pi forums)
- #ifdef __cplusplus
- extern "C" {
- #endif
- // Basic wiringPi functions
- extern int wiringPiSetup (void) ;
- extern int wiringPiSetupSys (void) ;
- extern int wiringPiSetupGpio (void) ;
- extern int wiringPiSetupPiFace (void) ;
- extern int wiringPiSetupPiFaceForGpioProg (void) ; // Don't use this - for gpio program only
- extern void (*pinMode) (int pin, int mode) ;
- extern void (*pullUpDnControl) (int pin, int pud) ;
- extern void (*digitalWrite) (int pin, int value) ;
- extern void (*pwmWrite) (int pin, int value) ;
- extern int (*digitalRead) (int pin) ;
- // Interrupts
- extern int (*waitForInterrupt) (int pin, int mS) ;
- // Threads
- #define PI_THREAD(X) void *X (void *dummy)
- extern int piThreadCreate (void *(*fn)(void *)) ;
- extern void piLock (int key) ;
- extern void piUnlock (int key) ;
- // Schedulling priority
- extern int piHiPri (int pri) ;
- // Extras from arduino land
- extern void delay (unsigned int howLong) ;
- extern void delayMicroseconds (unsigned int howLong) ;
- extern unsigned int millis (void) ;
- #ifdef __cplusplus
- }
- #endif
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