Revert "LinearAlgebra Function Added"

1 files changed, 44 insertions, 0 deletions

diff --git a/2.3-1/src/c/hardware/rasberrypi/Interrupt/u8RPI_waitForInterrupts.c b/2.3-1/src/c/hardware/rasberrypi/Interrupt/u8RPI_waitForInterrupts.c
new file mode 100644
index 00000000..ab15b8de
--- /dev/null
+++ b/2.3-1/src/c/hardware/rasberrypi/Interrupt/u8RPI_waitForInterrupts.c
@@ -0,0 +1,44 @@
+/* Copyright (C) 2017 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Jorawar Singh, Siddhesh Wani
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#include "RPIPeripheralInterrupt.h"
+#include "RPI_wfi.h"
+#include <sys/time.h>
+#include <math.h>
+#include <stdlib.h>
+
+int8 u8RPI_waitForInterrupts(uint8 pin,int16 time){
+    __RPI_wfi=0;
+    if (wiringPiISR(pin,3,&RPI_wfi)<0){
+        return -1;
+    }
+    if (time==-1){
+        while (__RPI_wfi==0){;}
+        return 1;
+    }
+    else{
+        struct timeval time1,time2;
+        int nDigits;
+        double t1,t2;
+        gettimeofday(&time1, NULL);
+        nDigits=floor(log10(abs(time1.tv_usec)))+1;
+        t1=time1.tv_sec+time1.tv_usec/nDigits;
+        t2=t1;
+        while (__RPI_wfi==0 && t2-t1<time){
+            gettimeofday(&time2,NULL);
+            nDigits=floor(log10(abs(time2.tv_usec)))+1;
+            t2=time2.tv_sec+time2.tv_usec/nDigits;
+        }
+        if (__RPI_wfi==0){return 0;}
+        else{return 1;}
+    }
+}