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arduino-cli/libraries/RF24/utility/RPi/interrupt.h

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+/*
+Interrupts functions extruded from wiringPi library by Oitzu.
+
+wiringPi Copyright (c) 2012 Gordon Henderson
+https://projects.drogon.net/raspberry-pi/wiringpi
+wiringPi is free software: GNU Lesser General Public License
+see <http://www.gnu.org/licenses/>
+*/
+
+#include "RF24_arch_config.h"
+
+#define INT_EDGE_SETUP          0
+#define INT_EDGE_FALLING        1
+#define INT_EDGE_RISING         2
+#define INT_EDGE_BOTH           3
+
+/*
+ * interruptHandler:
+ *      This is a thread and gets started to wait for the interrupt we're
+ *      hoping to catch. It will call the user-function when the interrupt
+ *      fires.
+ *********************************************************************************
+ */
+void* interruptHandler(void* arg);
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * waitForInterrupt:
+ *      Pi Specific.
+ *      Wait for Interrupt on a GPIO pin.
+ *      This is actually done via the /sys/class/gpio interface regardless of
+ *      the wiringPi access mode in-use. Maybe sometime it might get a better
+ *      way for a bit more efficiency.
+ *********************************************************************************
+ */
+extern int waitForInterrupt(int pin, int mS);
+
+/*
+ * piHiPri:
+ *      Attempt to set a high priority schedulling for the running program
+ *********************************************************************************
+ */
+extern int piHiPri(const int pri);
+
+/*
+ * attachInterrupt (Original: wiringPiISR):
+ *      Pi Specific.
+ *      Take the details and create an interrupt handler that will do a call-
+ *      back to the user supplied function.
+ *********************************************************************************
+ */
+extern int attachInterrupt(int pin, int mode, void (* function)(void));
+
+/*
+ * detachInterrupt:
+ *      Pi Specific detachInterrupt.
+ *      Will cancel the interrupt thread, close the filehandle and 
+ *		setting wiringPi back to 'none' mode.
+ *********************************************************************************
+ */
+extern int detachInterrupt(int pin);
+
+extern void rfNoInterrupts();
+
+extern void rfInterrupts();
+
+#ifdef __cplusplus
+}
+#endif