/* * wiringPi.h: * Arduino like Wiring library for the Raspberry Pi. * Copyright (c) 2012-2016 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 . *********************************************************************** */ #ifndef __WIRING_PI_H__ #define __WIRING_PI_H__ /* C doesn't have true/false by default and I can never remember which way round they are, so ... */ #ifndef TRUE # define TRUE (1==1) # define FALSE (!TRUE) #endif /* Handy defines*/ /* wiringPi modes*/ #define WPI_MODE_PINS 0 #define WPI_MODE_GPIO 1 #define WPI_MODE_GPIO_SYS 2 #define WPI_MODE_PHYS 3 #define WPI_MODE_PIFACE 4 #define WPI_MODE_UNINITIALISED -1 /* Pin modes*/ #define INPUT 0 #define OUTPUT 1 #define PWM_OUTPUT 2 #define GPIO_CLOCK 3 #define SOFT_PWM_OUTPUT 4 #define SOFT_TONE_OUTPUT 5 #define PWM_TONE_OUTPUT 6 #define LOW 0 #define HIGH 1 /* Pull up/down/none*/ #define PUD_OFF 0 #define PUD_DOWN 1 #define PUD_UP 2 /* PWM*/ #define PWM_MODE_MS 0 #define PWM_MODE_BAL 1 /*Interrupt levels*/ #define INT_EDGE_SETUP 0 #define INT_EDGE_FALLING 1 #define INT_EDGE_RISING 2 #define INT_EDGE_BOTH 3 /*Pi model types and version numbers Intended for the GPIO program Use at your own risk. */ #define PI_MODEL_A 0 #define PI_MODEL_B 1 #define PI_MODEL_AP 2 #define PI_MODEL_BP 3 #define PI_MODEL_2 4 #define PI_ALPHA 5 #define PI_MODEL_CM 6 #define PI_MODEL_07 7 #define PI_MODEL_3 8 #define PI_MODEL_ZERO 9 #define PI_VERSION_1 0 #define PI_VERSION_1_1 1 #define PI_VERSION_1_2 2 #define PI_VERSION_2 3 #define PI_MAKER_SONY 0 #define PI_MAKER_EGOMAN 1 #define PI_MAKER_MBEST 2 #define PI_MAKER_UNKNOWN 3 extern const char *piModelNames [16] ; extern const char *piRevisionNames [16] ; extern const char *piMakerNames [16] ; extern const int piMemorySize [ 8] ; /* Intended for the GPIO program Use at your own risk.*/ /* Threads*/ #define PI_THREAD(X) void *X (void *dummy) /* Failure modes*/ #define WPI_FATAL (1==1) #define WPI_ALMOST (1==2) /*wiringPiNodeStruct: This describes additional device nodes in the extended wiringPi 2.0 scheme of things. It's a simple linked list for now, but will hopefully migrate to a binary tree for efficiency reasons - but then again, the chances of more than 1 or 2 devices being added are fairly slim, so who knows.... */ struct wiringPiNodeStruct { int pinBase ; int pinMax ; int fd ; /* Node specific*/ unsigned int data0 ; /* ditto*/ unsigned int data1 ; /* ditto*/ unsigned int data2 ; /* ditto*/ unsigned int data3 ; /* ditto*/ void (*pinMode) (struct wiringPiNodeStruct *node, int pin, int mode) ; void (*pullUpDnControl) (struct wiringPiNodeStruct *node, int pin, int mode) ; int (*digitalRead) (struct wiringPiNodeStruct *node, int pin) ; void (*digitalWrite) (struct wiringPiNodeStruct *node, int pin, int value) ; void (*pwmWrite) (struct wiringPiNodeStruct *node, int pin, int value) ; int (*analogRead) (struct wiringPiNodeStruct *node, int pin) ; void (*analogWrite) (struct wiringPiNodeStruct *node, int pin, int value) ; struct wiringPiNodeStruct *next ; } ; extern struct wiringPiNodeStruct *wiringPiNodes ; /*Function prototypes c++ wrappers thanks to a comment by Nick Lott (and others on the Raspberry Pi forums) */ #ifdef __cplusplus extern "C" { #endif /* Data*/ /* Internal*/ extern int wiringPiFailure (int fatal, const char *message, ...) ; /* Core wiringPi functions*/ extern struct wiringPiNodeStruct *wiringPiFindNode (int pin) ; extern struct wiringPiNodeStruct *wiringPiNewNode (int pinBase, int numPins) ; extern int wiringPiSetup (void) ; extern int wiringPiSetupSys (void) ; extern int wiringPiSetupGpio (void) ; extern int wiringPiSetupPhys (void) ; extern void pinModeAlt (int pin, int mode) ; extern void pinMode (int pin, int mode) ; extern void pullUpDnControl (int pin, int pud) ; extern int digitalRead (int pin) ; extern void digitalWrite (int pin, int value) ; extern void pwmWrite (int pin, int value) ; extern int analogRead (int pin) ; extern void analogWrite (int pin, int value) ; /* PiFace specifics (Deprecated)*/ extern int wiringPiSetupPiFace (void) ; extern int wiringPiSetupPiFaceForGpioProg (void) ; /* Don't use this - for gpio program only*/ /* On-Board Raspberry Pi hardware specific stuff*/ extern int piBoardRev (void) ; extern void piBoardId (int *model, int *rev, int *mem, int *maker, int *overVolted) ; extern int wpiPinToGpio (int wpiPin) ; extern int physPinToGpio (int physPin) ; extern void setPadDrive (int group, int value) ; extern int getAlt (int pin) ; extern void pwmToneWrite (int pin, int freq) ; extern void digitalWriteByte (int value) ; extern unsigned int digitalReadByte (void) ; extern void pwmSetMode (int mode) ; extern void pwmSetRange (unsigned int range) ; extern void pwmSetClock (int divisor) ; extern void gpioClockSet (int pin, int freq) ; /* Interrupts (Also Pi hardware specific)*/ extern int waitForInterrupt (int pin, int mS) ; extern int wiringPiISR (int pin, int mode, void (*function)(void)) ; /* Threads*/ extern int piThreadCreate (void *(*fn)(void *)) ; extern void piLock (int key) ; extern void piUnlock (int key) ; /* Schedulling priority*/ extern int piHiPri (const int pri) ; /* Extras from arduino land*/ extern void delay (unsigned int howLong) ; extern void delayMicroseconds (unsigned int howLong) ; extern unsigned int millis (void) ; extern unsigned int micros (void) ; #ifdef __cplusplus } #endif #endif