***********************************************************************
*/
+#ifndef __WIRING_PI_H__
+#define __WIRING_PI_H__
+
// Handy defines
+// Deprecated
#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 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_UNKNOWN 0
+#define PI_MODEL_A 1
+#define PI_MODEL_B 2
+#define PI_MODEL_BP 3
+#define PI_MODEL_CM 4
+
+#define PI_VERSION_UNKNOWN 0
+#define PI_VERSION_1 1
+#define PI_VERSION_1_1 2
+#define PI_VERSION_1_2 3
+#define PI_VERSION_2 4
+
+#define PI_MAKER_UNKNOWN 0
+#define PI_MAKER_EGOMAN 1
+#define PI_MAKER_SONY 2
+#define PI_MAKER_QISDA 3
+
+extern const char *piModelNames [5] ;
+extern const char *piRevisionNames [5] ;
+extern const char *piMakerNames [4] ;
+
+
+// Intended for the GPIO program Use at your own risk.
+
+// Threads
+
+#define PI_THREAD(X) void *X (void *dummy)
-#define INPUT 0
-#define OUTPUT 1
-#define PWM_OUTPUT 2
+// Failure modes
-#define LOW 0
-#define HIGH 1
+#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 ;
-#define PUD_OFF 0
-#define PUD_DOWN 1
-#define PUD_UP 2
// Function prototypes
-// c++ wrappers thanks to a commend by Nick Lott
+// c++ wrappers thanks to a comment by Nick Lott
// (and others on the Raspberry Pi forums)
#ifdef __cplusplus
extern "C" {
#endif
-// Basic wiringPi functions
+// Data
+
+//extern const char *piModelNames [] ;
+//extern const char *piRevisionNames[] ;
+
+// 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 wiringPiSetupPiFace (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
-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 void (*setPadDrive) (int group, int value) ;
-extern int (*digitalRead) (int pin) ;
-extern void (*delayMicroseconds) (unsigned int howLong) ;
+// 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 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 waitForInterrupt (int pin, int mS) ;
+extern int wiringPiISR (int pin, int mode, void (*function)(void)) ;
// 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) ;
+extern int piThreadCreate (void *(*fn)(void *)) ;
+extern void piLock (int key) ;
+extern void piUnlock (int key) ;
// Schedulling priority
-extern int piHiPri (int pri) ;
-
+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
~ianmdlvl / wiringPi.git / blobdiff