From 21ab4886b202a52189b398bd9d3137e2a567d62a Mon Sep 17 00:00:00 2001 From: siddhu8990 Date: Mon, 25 Jul 2016 15:59:40 +0530 Subject: WiringPi used for RaspberryPi (Gpio, serial, Threads, ISRs) --- .../rasberrypi/libraries/wiringPi/wiringPi.h | 234 +++++++++++++++++++++ 1 file changed, 234 insertions(+) create mode 100644 2.3-1/src/c/hardware/rasberrypi/libraries/wiringPi/wiringPi.h (limited to '2.3-1/src/c/hardware/rasberrypi/libraries/wiringPi/wiringPi.h') diff --git a/2.3-1/src/c/hardware/rasberrypi/libraries/wiringPi/wiringPi.h b/2.3-1/src/c/hardware/rasberrypi/libraries/wiringPi/wiringPi.h new file mode 100644 index 00000000..e11a0bef --- /dev/null +++ b/2.3-1/src/c/hardware/rasberrypi/libraries/wiringPi/wiringPi.h @@ -0,0 +1,234 @@ +/* + * 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 -- cgit