From aa1c306a8bce882962b3435d42834c8c57614a8e Mon Sep 17 00:00:00 2001
From: Othmar Gsenger <otti@realraum.at>
Date: Wed, 14 Dec 2011 20:11:50 +0000
Subject: [PATCH] added automatic caturing and manual invert

---
 rf433rcv/pc/decode.pl     |    4 +--
 rf433rcv/pc/plot.py       |    2 +-
 rf433rcv/pc/rawhid_test.c |   71 +++++++++++----------------------------------
 rf433rcv/pc/swap.pl       |    9 ++++++
 4 files changed, 29 insertions(+), 57 deletions(-)
 create mode 100755 rf433rcv/pc/swap.pl

diff --git a/rf433rcv/pc/decode.pl b/rf433rcv/pc/decode.pl
index 6ee4192..5c401e7 100755
--- a/rf433rcv/pc/decode.pl
+++ b/rf433rcv/pc/decode.pl
@@ -53,11 +53,11 @@ if (defined $ARGV[0])
     {
       if ($start)
       { 
-        print "$counter\n";
+        print $counter-2."\n";
         last;
       } else {
         $start =1;
-        print "$counter ";
+        print $counter-1." ";
       }
     }
     $counter+=$data->[1];
diff --git a/rf433rcv/pc/plot.py b/rf433rcv/pc/plot.py
index 173a598..97db370 100755
--- a/rf433rcv/pc/plot.py
+++ b/rf433rcv/pc/plot.py
@@ -6,6 +6,6 @@ import pylab
 for datastr in fileinput.input():
   data=numpy.array(list(datastr))
   pylab.plot(range(len(datastr)),data)
-  pylab.axis([0, 2000,-0.5, 1.5])
+  pylab.axis([0, len(datastr),-0.5, 1.5])
           
 pylab.show()
diff --git a/rf433rcv/pc/rawhid_test.c b/rf433rcv/pc/rawhid_test.c
index 2e0ac11..2c3f9fb 100644
--- a/rf433rcv/pc/rawhid_test.c
+++ b/rf433rcv/pc/rawhid_test.c
@@ -2,7 +2,7 @@
 #include <stdlib.h>
 #include <stdarg.h>
 #include <string.h>
-
+#include <sys/time.h>
 #if defined(OS_LINUX) || defined(OS_MACOSX)
 #include <sys/ioctl.h>
 #include <termios.h>
@@ -13,17 +13,22 @@
 #include "hid.h"
 
 
-static char get_keystroke(void);
-
 void sendstr(char * tosend)
 {
   rawhid_send(0, tosend, strlen(tosend),1000);
 }
 
+int mtime_diff(struct timeval high,struct timeval low)
+{
+  int result=1000*(high.tv_sec-low.tv_sec);
+  result+=high.tv_usec/1000-low.tv_usec/1000;
+  return result;
+}
+
 int main (int argc, char *argv[])
 {
 	int i, r, num;
-	char c, buf[64];
+	char buf[64];
 	// C-based example is 16C0:0480:FFAB:0200
 	r = rawhid_open(1, 0x16C0, 0x0480, 0xFFAB, 0x0200);
 	if (r <= 0) {
@@ -65,7 +70,11 @@ int main (int argc, char *argv[])
     printf("\n");
     return 0;
   } else {
-    while (1) {
+    struct timeval start_time,stop_time;
+    sendstr("b");
+    gettimeofday(&start_time,NULL);
+    gettimeofday(&stop_time,NULL);
+    while (mtime_diff(stop_time,start_time)<1000) {
       // check if any Raw HID packet has arrived
       num = rawhid_recv(0, buf, 64, 220);
       if (num < 0) {
@@ -74,7 +83,6 @@ int main (int argc, char *argv[])
         return 0;
       }
       if (num == 64) {
-      //	printf("\nrecv %d bytes:\n", num);
           for (i=0; i<64*8; i++) {
             if (buf[i/8] & 0x80)
             {
@@ -86,54 +94,9 @@ int main (int argc, char *argv[])
             buf[i/8]<<=1;
           }
       }
-      // check if any input on stdin
-      while ((c = get_keystroke()) >= 32) {
-        fprintf(stderr,"\ngot key '%c', sending...\n", c);
-        buf[0] = c;
-        for (i=1; i<64; i++) {
-          buf[i] = 0;
-        }
-        rawhid_send(0, buf, 64, 100);
-      }
+      gettimeofday(&stop_time,NULL);
     }
+    sendstr("e");
+    return 0;
   }  
 }
-
-#if defined(OS_LINUX) || defined(OS_MACOSX)
-// Linux (POSIX) implementation of _kbhit().
-// Morgan McGuire, morgan@cs.brown.edu
-static int _kbhit() {
-	static const int STDIN = 0;
-	static int initialized = 0;
-	int bytesWaiting;
-
-	if (!initialized) {
-		// Use termios to turn off line buffering
-		struct termios term;
-		tcgetattr(STDIN, &term);
-		term.c_lflag &= ~ICANON;
-		tcsetattr(STDIN, TCSANOW, &term);
-		setbuf(stdin, NULL);
-		initialized = 1;
-	}
-	ioctl(STDIN, FIONREAD, &bytesWaiting);
-	return bytesWaiting;
-}
-static char _getch(void) {
-	char c;
-	if (fread(&c, 1, 1, stdin) < 1) return 0;
-	return c;
-}
-#endif
-
-
-static char get_keystroke(void)
-{
-	if (_kbhit()) {
-		char c = _getch();
-		if (c >= 32) return c;
-	}
-	return 0;
-}
-
-
diff --git a/rf433rcv/pc/swap.pl b/rf433rcv/pc/swap.pl
new file mode 100755
index 0000000..804ea6e
--- /dev/null
+++ b/rf433rcv/pc/swap.pl
@@ -0,0 +1,9 @@
+#!/usr/bin/perl
+
+while(<>)
+{
+  s/1/x/g;
+  s/0/1/g;
+  s/x/0/g;
+  print;
+}
-- 
1.7.10.4