restructured
This commit is contained in:
Jonas Zeunert
254
FlippR-Driver/lib/wiringPi/wiringPi.h
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254
FlippR-Driver/lib/wiringPi/wiringPi.h
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/*
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* wiringPi.h:
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* Arduino like Wiring library for the Raspberry Pi.
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* Copyright (c) 2012-2017 Gordon Henderson
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***********************************************************************
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* This file is part of wiringPi:
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* https://projects.drogon.net/raspberry-pi/wiringpi/
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*
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* wiringPi is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* wiringPi is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
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***********************************************************************
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*/
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#ifndef __WIRING_PI_H__
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#define __WIRING_PI_H__
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// C doesn't have true/false by default and I can never remember which
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// way round they are, so ...
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// (and yes, I know about stdbool.h but I like capitals for these and I'm old)
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#ifndef TRUE
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# define TRUE (1==1)
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# define FALSE (!TRUE)
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#endif
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// GCC warning suppressor
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#define UNU __attribute__((unused))
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// Mask for the bottom 64 pins which belong to the Raspberry Pi
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// The others are available for the other devices
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#define PI_GPIO_MASK (0xFFFFFFC0)
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// Handy defines
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// wiringPi modes
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#define WPI_MODE_PINS 0
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#define WPI_MODE_GPIO 1
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#define WPI_MODE_GPIO_SYS 2
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#define WPI_MODE_PHYS 3
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#define WPI_MODE_PIFACE 4
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#define WPI_MODE_UNINITIALISED -1
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// Pin modes
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#define INPUT 0
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#define OUTPUT 1
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#define PWM_OUTPUT 2
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#define GPIO_CLOCK 3
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#define SOFT_PWM_OUTPUT 4
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#define SOFT_TONE_OUTPUT 5
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#define PWM_TONE_OUTPUT 6
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#define LOW 0
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#define HIGH 1
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// Pull up/down/none
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#define PUD_OFF 0
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#define PUD_DOWN 1
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#define PUD_UP 2
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// PWM
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#define PWM_MODE_MS 0
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#define PWM_MODE_BAL 1
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// Interrupt levels
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#define INT_EDGE_SETUP 0
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#define INT_EDGE_FALLING 1
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#define INT_EDGE_RISING 2
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#define INT_EDGE_BOTH 3
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// Pi model types and version numbers
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// Intended for the GPIO program Use at your own risk.
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#define PI_MODEL_A 0
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#define PI_MODEL_B 1
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#define PI_MODEL_AP 2
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#define PI_MODEL_BP 3
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#define PI_MODEL_2 4
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#define PI_ALPHA 5
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#define PI_MODEL_CM 6
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#define PI_MODEL_07 7
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#define PI_MODEL_3 8
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#define PI_MODEL_ZERO 9
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#define PI_MODEL_CM3 10
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#define PI_MODEL_ZERO_W 12
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#define PI_VERSION_1 0
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#define PI_VERSION_1_1 1
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#define PI_VERSION_1_2 2
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#define PI_VERSION_2 3
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#define PI_MAKER_SONY 0
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#define PI_MAKER_EGOMAN 1
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#define PI_MAKER_EMBEST 2
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#define PI_MAKER_UNKNOWN 3
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extern const char *piModelNames [16] ;
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extern const char *piRevisionNames [16] ;
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extern const char *piMakerNames [16] ;
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extern const int piMemorySize [ 8] ;
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// Intended for the GPIO program Use at your own risk.
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// Threads
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#define PI_THREAD(X) void *X (UNU void *dummy)
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// Failure modes
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#define WPI_FATAL (1==1)
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#define WPI_ALMOST (1==2)
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// wiringPiNodeStruct:
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// This describes additional device nodes in the extended wiringPi
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// 2.0 scheme of things.
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// It's a simple linked list for now, but will hopefully migrate to
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// a binary tree for efficiency reasons - but then again, the chances
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// of more than 1 or 2 devices being added are fairly slim, so who
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// knows....
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struct wiringPiNodeStruct
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{
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int pinBase ;
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int pinMax ;
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int fd ; // Node specific
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unsigned int data0 ; // ditto
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unsigned int data1 ; // ditto
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unsigned int data2 ; // ditto
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unsigned int data3 ; // ditto
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void (*pinMode) (struct wiringPiNodeStruct *node, int pin, int mode) ;
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void (*pullUpDnControl) (struct wiringPiNodeStruct *node, int pin, int mode) ;
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int (*digitalRead) (struct wiringPiNodeStruct *node, int pin) ;
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//unsigned int (*digitalRead8) (struct wiringPiNodeStruct *node, int pin) ;
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void (*digitalWrite) (struct wiringPiNodeStruct *node, int pin, int value) ;
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// void (*digitalWrite8) (struct wiringPiNodeStruct *node, int pin, int value) ;
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void (*pwmWrite) (struct wiringPiNodeStruct *node, int pin, int value) ;
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int (*analogRead) (struct wiringPiNodeStruct *node, int pin) ;
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void (*analogWrite) (struct wiringPiNodeStruct *node, int pin, int value) ;
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struct wiringPiNodeStruct *next ;
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} ;
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extern struct wiringPiNodeStruct *wiringPiNodes ;
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// Function prototypes
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// c++ wrappers thanks to a comment by Nick Lott
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// (and others on the Raspberry Pi forums)
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Data
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// Internal
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extern int wiringPiFailure (int fatal, const char *message, ...) ;
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// Core wiringPi functions
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extern struct wiringPiNodeStruct *wiringPiFindNode (int pin) ;
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extern struct wiringPiNodeStruct *wiringPiNewNode (int pinBase, int numPins) ;
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extern void wiringPiVersion (int *major, int *minor) ;
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extern int wiringPiSetup (void) ;
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extern int wiringPiSetupSys (void) ;
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extern int wiringPiSetupGpio (void) ;
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extern int wiringPiSetupPhys (void) ;
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extern void pinModeAlt (int pin, int mode) ;
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extern void pinMode (int pin, int mode) ;
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extern void pullUpDnControl (int pin, int pud) ;
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extern int digitalRead (int pin) ;
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extern void digitalWrite (int pin, int value) ;
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extern unsigned int digitalRead8 (int pin) ;
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extern void digitalWrite8 (int pin, int value) ;
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extern void pwmWrite (int pin, int value) ;
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extern int analogRead (int pin) ;
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extern void analogWrite (int pin, int value) ;
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// PiFace specifics
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// (Deprecated)
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extern int wiringPiSetupPiFace (void) ;
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extern int wiringPiSetupPiFaceForGpioProg (void) ; // Don't use this - for gpio program only
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// On-Board Raspberry Pi hardware specific stuff
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extern int piGpioLayout (void) ;
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extern int piBoardRev (void) ; // Deprecated
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extern void piBoardId (int *model, int *rev, int *mem, int *maker, int *overVolted) ;
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extern int wpiPinToGpio (int wpiPin) ;
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extern int physPinToGpio (int physPin) ;
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extern void setPadDrive (int group, int value) ;
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extern int getAlt (int pin) ;
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extern void pwmToneWrite (int pin, int freq) ;
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extern void pwmSetMode (int mode) ;
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extern void pwmSetRange (unsigned int range) ;
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extern void pwmSetClock (int divisor) ;
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extern void gpioClockSet (int pin, int freq) ;
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extern unsigned int digitalReadByte (void) ;
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extern unsigned int digitalReadByte2 (void) ;
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extern void digitalWriteByte (int value) ;
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extern void digitalWriteByte2 (int value) ;
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// Interrupts
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// (Also Pi hardware specific)
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extern int waitForInterrupt (int pin, int mS) ;
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extern int wiringPiISR (int pin, int mode, void (*function)(void)) ;
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// Threads
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extern int piThreadCreate (void *(*fn)(void *)) ;
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extern void piLock (int key) ;
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extern void piUnlock (int key) ;
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// Schedulling priority
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extern int piHiPri (const int pri) ;
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// Extras from arduino land
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extern void delay (unsigned int howLong) ;
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extern void delayMicroseconds (unsigned int howLong) ;
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extern unsigned int millis (void) ;
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extern unsigned int micros (void) ;
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#ifdef __cplusplus
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}
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#endif
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#endif
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