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fix WiringPI API dependency only if available #13
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,264 @@ | ||
| /* | ||
| * wiringPi.h: | ||
| * Arduino like Wiring library for the Raspberry Pi. | ||
| * Copyright (c) 2012-2017 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/>. | ||
| *********************************************************************** | ||
| */ | ||
|
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| #ifndef __WIRING_PI_H__ | ||
| #define __WIRING_PI_H__ | ||
|
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||
| // C doesn't have true/false by default and I can never remember which | ||
| // way round they are, so ... | ||
| // (and yes, I know about stdbool.h but I like capitals for these and I'm old) | ||
|
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| #ifndef TRUE | ||
| # define TRUE (1==1) | ||
| # define FALSE (!TRUE) | ||
| #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 | ||
| // 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 | ||
| #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 | ||
|
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||
| // Pin modes | ||
|
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| #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 | ||
|
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| #define LOW 0 | ||
| #define HIGH 1 | ||
|
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| // Pull up/down/none | ||
|
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| #define PUD_OFF 0 | ||
| #define PUD_DOWN 1 | ||
| #define PUD_UP 2 | ||
|
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| // PWM | ||
|
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| #define PWM_MODE_MS 0 | ||
| #define PWM_MODE_BAL 1 | ||
|
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| // Interrupt levels | ||
|
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| #define INT_EDGE_SETUP 0 | ||
| #define INT_EDGE_FALLING 1 | ||
| #define INT_EDGE_RISING 2 | ||
| #define INT_EDGE_BOTH 3 | ||
|
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| // Pi model types and version numbers | ||
| // Intended for the GPIO program Use at your own risk. | ||
|
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| #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_MODEL_CM3 10 | ||
| #define PI_MODEL_ZERO_W 12 | ||
| #define PI_MODEL_3P 13 | ||
|
|
||
| #define PI_VERSION_1 0 | ||
| #define PI_VERSION_1_1 1 | ||
| #define PI_VERSION_1_2 2 | ||
| #define PI_VERSION_2 3 | ||
|
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||
| #define PI_MAKER_SONY 0 | ||
| #define PI_MAKER_EGOMAN 1 | ||
| #define PI_MAKER_EMBEST 2 | ||
| #define PI_MAKER_UNKNOWN 3 | ||
|
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||
| extern const char *piModelNames [16] ; | ||
| extern const char *piRevisionNames [16] ; | ||
| extern const char *piMakerNames [16] ; | ||
| extern const int piMemorySize [ 8] ; | ||
|
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||
|
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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) | ||
| #define WPI_ALMOST (1==2) | ||
|
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||
|
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| // 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.... | ||
|
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||
| struct wiringPiNodeStruct | ||
| { | ||
| int pinBase ; | ||
| int pinMax ; | ||
|
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||
| int fd ; // Node specific | ||
| unsigned int data0 ; // ditto | ||
| unsigned int data1 ; // ditto | ||
| unsigned int data2 ; // ditto | ||
| unsigned int data3 ; // ditto | ||
|
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||
| 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) ; | ||
| //unsigned int (*digitalRead8) (struct wiringPiNodeStruct *node, int pin) ; | ||
| void (*digitalWrite) (struct wiringPiNodeStruct *node, int pin, int value) ; | ||
| // void (*digitalWrite8) (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) ; | ||
|
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| struct wiringPiNodeStruct *next ; | ||
| } ; | ||
|
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| extern struct wiringPiNodeStruct *wiringPiNodes ; | ||
|
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| // Export variables for the hardware pointers | ||
|
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| extern volatile unsigned int *_wiringPiGpio ; | ||
| extern volatile unsigned int *_wiringPiPwm ; | ||
| extern volatile unsigned int *_wiringPiClk ; | ||
| extern volatile unsigned int *_wiringPiPads ; | ||
| extern volatile unsigned int *_wiringPiTimer ; | ||
| extern volatile unsigned int *_wiringPiTimerIrqRaw ; | ||
|
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|
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| // Function prototypes | ||
| // c++ wrappers thanks to a comment by Nick Lott | ||
| // (and others on the Raspberry Pi forums) | ||
|
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| #ifdef __cplusplus | ||
| extern "C" { | ||
| #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) ; | ||
| extern struct wiringPiNodeStruct *wiringPiNewNode (int pinBase, int numPins) ; | ||
|
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| extern void wiringPiVersion (int *major, int *minor) ; | ||
| extern int wiringPiSetup (void) ; | ||
| extern int wiringPiSetupSys (void) ; | ||
| extern int wiringPiSetupGpio (void) ; | ||
| extern int wiringPiSetupPhys (void) ; | ||
|
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||
| 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 unsigned int digitalRead8 (int pin) ; | ||
| extern void digitalWrite8 (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) | ||
|
|
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| extern int wiringPiSetupPiFace (void) ; | ||
| extern int wiringPiSetupPiFaceForGpioProg (void) ; // Don't use this - for gpio program only | ||
|
|
||
| // On-Board Raspberry Pi hardware specific stuff | ||
|
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||
| extern int piGpioLayout (void) ; | ||
| extern int piBoardRev (void) ; // Deprecated | ||
| 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 pwmSetMode (int mode) ; | ||
| extern void pwmSetRange (unsigned int range) ; | ||
| extern void pwmSetClock (int divisor) ; | ||
| extern void gpioClockSet (int pin, int freq) ; | ||
| extern unsigned int digitalReadByte (void) ; | ||
| extern unsigned int digitalReadByte2 (void) ; | ||
| extern void digitalWriteByte (int value) ; | ||
| extern void digitalWriteByte2 (int value) ; | ||
|
|
||
| // Interrupts | ||
| // (Also Pi hardware specific) | ||
|
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| extern int waitForInterrupt (int pin, int mS) ; | ||
| 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 *)) ; | ||
| extern void piLock (int key) ; | ||
| 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) ; | ||
| extern void delayMicroseconds (unsigned int howLong) ; | ||
| extern unsigned int millis (void) ; | ||
| extern unsigned int micros (void) ; | ||
|
|
||
| #ifdef __cplusplus | ||
| } | ||
| #endif | ||
|
|
||
| #endif | ||
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This file should really not be included here it is from an other project