dist/tools/sniffer: whitespace fixes

dist/tools/sniffer/README.md

@@ -55,4 +55,3 @@ For windows you can use the optional third argument to output to a
 .pcap:
 
     $ ./rftestrx2pcap.py /dev/ttyUSB1 26 foo.pcap
-

dist/tools/sniffer/rftestrx2pcap.py

@@ -33,41 +33,41 @@ import re
 import serial
 
 if len(sys.argv) < 3:
-        sys.stderr.write( "Usage: %s tty channel [outfile]\n" %(sys.argv[0]))
-        sys.stderr.write( "       channel = 11-26\n")
-        sys.exit(2)
+    sys.stderr.write( "Usage: %s tty channel [outfile]\n" %(sys.argv[0]))
+    sys.stderr.write( "       channel = 11-26\n")
+    sys.exit(2)
 
 # change the channel
 
 try:
-        serport = serial.Serial(sys.argv[1], baudrate=115200, dsrdtr=0, rtscts=0, timeout=1)
-        serport.setDTR(0)
-        serport.setRTS(0)
+    serport = serial.Serial(sys.argv[1], baudrate=115200, dsrdtr=0, rtscts=0, timeout=1)
+    serport.setDTR(0)
+    serport.setRTS(0)
 except IOError:
-        print "error opening port"
-        sys.exit(2)
+    print "error opening port"
+    sys.exit(2)
 
 time.sleep(1)
 chanstr = ''
 sys.stderr.write('chan %s\n' % sys.argv[2])
 serport.write('chan %s\n' % sys.argv[2])
 while 1:
-        c = serport.read(1)
-        if (c == '\n'):
-            chanstr = ''
-            continue
-        chanstr += c 
-        m = re.match(".*channel: (\w+)", chanstr)
-        if m:
-                chan = int(m.group(1))
-                sys.stderr.write(chanstr + '\n')
-                break
+    c = serport.read(1)
+    if (c == '\n'):
+        chanstr = ''
+        continue
+    chanstr += c
+    m = re.match(".*channel: (\w+)", chanstr)
+    if m:
+        chan = int(m.group(1))
+        sys.stderr.write(chanstr + '\n')
+        break
 
 try:
-        sys.stderr.write('writing to file %s \n' % (sys.argv[3]))
-        outfile = open(sys.argv[3], 'w+b')
+    sys.stderr.write('writing to file %s \n' % (sys.argv[3]))
+    outfile = open(sys.argv[3], 'w+b')
 except IndexError:
-        outfile = sys.stdout
+    outfile = sys.stdout
 
 sys.stderr.write("RX: 0\r")
 
@@ -88,39 +88,39 @@ fileempty = 1
 newpacket = 0
 
 try:
-        while 1:
-                line = serport.readline().rstrip()
-
-                m_rftestline = re.match(".*rftest-rx --- len 0x(\w\w).*", line)
-
-                if m_rftestline:
-                        newpacket = 1
-                        t = time.time()
-                        sec = int(t)
-                        usec = (t - sec) * 100000
-                        length = int(m_rftestline.group(1), 16)
-                        continue
-                        
-                # if this is a new packet, add a packet header
-                if newpacket == 1:
-                        newpacket = 0
-                        outfile.write(pack('<LLLL',sec,usec,length,length))
-                        outfile.flush()
-
-                        count += 1
-                        sys.stderr.write("RX: %d\r" % count)                    
-
-                        # clear file empty flag
-                        if fileempty:
-                                fileempty = 0
-                if fileempty == 0 :
-                        # write payload
-                        for d in line.split(' '):
-                                # do a match because their might be a \r floating around
-                                m = re.match('.*(\w\w).*', d)
-                                if m:
-                                        outfile.write(pack('<B', int(m.group(1),16)))
-                                        outfile.flush()
+    while 1:
+        line = serport.readline().rstrip()
+
+        m_rftestline = re.match(".*rftest-rx --- len 0x(\w\w).*", line)
+
+        if m_rftestline:
+            newpacket = 1
+            t = time.time()
+            sec = int(t)
+            usec = (t - sec) * 100000
+            length = int(m_rftestline.group(1), 16)
+            continue
+
+        # if this is a new packet, add a packet header
+        if newpacket == 1:
+            newpacket = 0
+            outfile.write(pack('<LLLL',sec,usec,length,length))
+            outfile.flush()
+
+            count += 1
+            sys.stderr.write("RX: %d\r" % count)
+
+            # clear file empty flag
+            if fileempty:
+                fileempty = 0
+        if fileempty == 0 :
+            # write payload
+            for d in line.split(' '):
+                # do a match because their might be a \r floating around
+                m = re.match('.*(\w\w).*', d)
+                if m:
+                    outfile.write(pack('<B', int(m.group(1),16)))
+                    outfile.flush()
 except KeyboardInterrupt:
-#               cn.close()
-                sys.exit(2)
+#        cn.close()
+        sys.exit(2)