Initial import of support files for all Digistump boards - Digispark, Pro, DigiX - including libraries, examples, tools, and other support files for the Arduino IDE

hardware/digistump/sam/libraries/RF24/librf24-rpi/librf24/compatibility.c

@@ -0,0 +1,40 @@
+
+#include "compatibility.h"
+/**********************************************************************/
+/**
+ * This function is added in order to simulate arduino delay() function
+ * @param milisec
+ */
+void __msleep(int milisec)
+{
+	struct timespec req = {0};
+	req.tv_sec = 0;
+	req.tv_nsec = milisec * 1000000L;
+	nanosleep(&req, (struct timespec *)NULL);	
+}
+
+void __usleep(int milisec)
+{
+	struct timespec req = {0};
+	req.tv_sec = 0;
+	req.tv_nsec = milisec * 1000L;
+	nanosleep(&req, (struct timespec *)NULL);	
+}
+
+/**
+ * This function is added in order to simulate arduino millis() function
+ */
+void __start_timer()
+{
+	gettimeofday(&start, NULL);
+}
+
+long __millis()
+{
+	gettimeofday(&end, NULL);
+    seconds  = end.tv_sec  - start.tv_sec;
+    useconds = end.tv_usec - start.tv_usec;
+
+    mtime = ((seconds) * 1000 + useconds/1000.0) + 0.5;	
+	return mtime;
+}