From: travisutk <travisutk@12e2690d-a6be-4b82-a7b7-67c4a43b65c8>
Date: Tue, 28 Dec 2010 16:15:52 +0000 (+0000)
Subject: Two's complement for negative accelerometer values on the Chronos watch through Simpl... 
X-Git-Url: http://git.rot13.org/?p=goodfet;a=commitdiff_plain;h=2be996cbec43567d2a250e7f72db5086f2554d93

Two's complement for negative accelerometer values on the Chronos watch through Simpliciti.

git-svn-id: https://svn.code.sf.net/p/goodfet/code/trunk@816 12e2690d-a6be-4b82-a7b7-67c4a43b65c8
---

diff --git a/client/goodfet.cc b/client/goodfet.cc
index 320e292..bb8c068 100755
--- a/client/goodfet.cc
+++ b/client/goodfet.cc
@@ -51,8 +51,12 @@ def handlesimplicitipacket(packet):
         counter=packet[11];
         button=packet[12];
         x=packet[13];
+        if x>=128: x=0-(x^0xFF)-1;
         y=packet[14];
+        if y>=128: y=0-(y^0xFF)-1;
         z=packet[15];
+        if z>=128: z=0-(z^0xFF)-1;
+        
         print "%09i %03i %4i %4i %4i" % (simplepacketcount,button,x,y,z);
         sys.stdout.flush();
     elif port==0x02:
@@ -133,7 +137,9 @@ if(len(sys.argv)==1):
     print "%s sniffsimpliciti [us|eu|lf]\n\tSniffs SimpliciTI packets." % sys.argv[0];
     print "%s sniffdash7 [lf]\n\tSniffs Dash7. (untested)" % sys.argv[0];
     print "%s snifficlicker [us]\n\tSniffs iClicker." % sys.argv[0];
-    
+    print "\n";
+    print "%s simpliciti [us|eu|lf]\n\tSimpliciti access point for Chronos watch." % sys.argv[0];
+    print "%s iclicker [us|eu|lf]\n\tSniffs iClicker packets as ASCII." % sys.argv[0];
     
     sys.exit();
 
@@ -277,6 +283,30 @@ if(sys.argv[1]=="snifficlicker"):
             packet=client.RF_rxpacket();
         printpacket(packet);
         sys.stdout.flush();
+if(sys.argv[1]=="iclicker"):
+    buttons=[0, 'A', 'j', 3, 4, 'B',
+             6, 7, 8, 9, 'E', 0xB, 0xC,
+             'C', 'D', 0xF];
+    region="us";
+    if len(sys.argv)>2:
+        region=sys.argv[2];
+    
+    client.CC1110_crystal();
+    client.RF_idle();
+    
+    client.config_iclicker(region);
+    
+    print "Listening as %x on %f MHz" % (client.RF_getsmac(),
+                                           client.RF_getfreq()/10.0**6);
+    #Now we're ready to get packets.
+    while 1:
+        packet=None;
+        while packet==None:
+            packet=client.RF_rxpacket();
+        printpacket(packet);
+        button=((packet[5]&1)<<3) | (packet[6]>>5);
+        print "Button %c" % buttons[button];
+        sys.stdout.flush();
 
 if(sys.argv[1]=="simpliciti"):
     region="us";