From f9fae2d19cba2d5f0921d57170f4124ce49e7b8e Mon Sep 17 00:00:00 2001
From: Othmar Gsenger <otti@realraum.at>
Date: Sat, 5 Mar 2011 23:22:24 +0000
Subject: [PATCH] rf433rcv: added plotting of data. last ',' has to be removed
 by hand (se sample data)

---
 rf433rcv/pc.cpp       |   21 ++++-----------------
 rf433rcv/plot.py      |   11 +++++++++++
 rf433rcv/rf433rcv.pde |    2 +-
 rf433rcv/sample.data  |    1 +
 4 files changed, 17 insertions(+), 18 deletions(-)
 create mode 100755 rf433rcv/plot.py
 create mode 100644 rf433rcv/sample.data

diff --git a/rf433rcv/pc.cpp b/rf433rcv/pc.cpp
index 53ef05a..6f43deb 100644
--- a/rf433rcv/pc.cpp
+++ b/rf433rcv/pc.cpp
@@ -4,33 +4,20 @@ int main()
 {
   unsigned char c =0;
   unsigned char sym =0;
-  unsigned char old_sym =0;
-  int counter = 0;
-  while( 1)
+  int counter = 1000;
+  while( counter--)
   {
     std::cin >> c;
     for(int i = 0; i<8; i++)
     {
       sym = c & (1<<7);
-      if (sym == old_sym)
-      {      
-	      counter++;
-      } else {
-	if (counter > 30 )
-	{
-	  std::cout << std::endl;
-	}
-	counter = 0;
-      }
-
       if( sym)
       {
-        std::cout << 'X';
+        std::cout << "1,";
       } else {
-        std::cout << '_';
+        std::cout << "0,";
       }
       c<<=1;
-      old_sym=sym;
     }
   }
 }
diff --git a/rf433rcv/plot.py b/rf433rcv/plot.py
new file mode 100755
index 0000000..350c40a
--- /dev/null
+++ b/rf433rcv/plot.py
@@ -0,0 +1,11 @@
+#!/usr/bin/python
+
+import fileinput
+import numpy
+import pylab
+
+for line in fileinput.input():
+  data = numpy.array(line.split(","))
+  pylab.plot(range(len(data)),data)
+  pylab.show()
+
diff --git a/rf433rcv/rf433rcv.pde b/rf433rcv/rf433rcv.pde
index fa4afbb..ac3ac3e 100644
--- a/rf433rcv/rf433rcv.pde
+++ b/rf433rcv/rf433rcv.pde
@@ -161,7 +161,7 @@ void setup()
   digitalWrite(RF433_PIN, LOW);  // turn of pullup resistors 
 
   Serial.begin(57600);
-  Serial.println("starting timer");
+//  Serial.println("starting timer");
   start_timer();
 }
 
diff --git a/rf433rcv/sample.data b/rf433rcv/sample.data
new file mode 100644
index 0000000..85d87fb
--- /dev/null
+++ b/rf433rcv/sample.data
@@ -0,0 +1 @@
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-- 
1.7.10.4