mod parser and config entry for new format

calibrate.sh

@@ -1,6 +1,5 @@
 #!/bin/bash
 
-for i in `seq 1 1000`; do
+for i in `seq 1 100`; do
 	sudo /usr/sbin/iw wlp58s0 measurement ftm_request config_entry | tail -n +3 >> result_$1
-	sleep 0.01
 done

config_entry

@@ -1 +1 @@
-34:f6:4b:5e:69:1f bw=20 cf=2462 retries=5 asap
+34:f6:4b:5e:69:1f bw=20 cf=2462 retries=3 asap spb=255

iw_parser.py

@@ -11,17 +11,27 @@ def wrapper(args):
     if not args['filepath'] or not os.path.isfile(args['filepath']):
         return
     results = []
+    regex = (
+        r"Target: (([0-9a-f]{2}:*){6}), " +
+        r"status: ([0-9]), rtt: ([0-9\-]+) \(±([0-9\-]+)\) psec, " +
+        r"distance: ([0-9\-]+) \(±([0-9\-]+)\) cm, rssi: ([0-9\-]+) dBm"
+    )
     with open(args['filepath']) as f:
         for line in f:
-            tmp = line.rstrip().split(', ')
-            status = int(tmp[1].split(' ')[1])
-            if status is not 0:
+            match = re.search(regex, line)
+            if match:
+                mac = match.group(1)
+                status = int(match.group(3))
+                rtt = int(match.group(4))
+                rtt_var = int(match.group(5))
+                raw_distance = int(match.group(6))
+                raw_distance_var = int(match.group(7))
+                rssi = int(match.group(8))
+            else:
                 continue
-            psec = int(tmp[2].split(' ')[1])
-            distance = int(tmp[3].split(' ')[1])
-            if distance < -1000:
+            if status is not 0 or raw_distance < -1000:
                 continue
-            results.append(distance * args['cali'][0] + args['cali'][1])
+            results.append(raw_distance * args['cali'][0] + args['cali'][1])
     print('statics of results')
     print('* num of valid data: {0}'.format(len(results)))
     print('* min: {0:.2f}cm'.format(min(results)))

libMeasurement.py

@@ -39,7 +39,8 @@ class Measurement(object):
             try:
                 self.outf = open(ofp, 'w')
                 self.outf.write(
-                    'MAC,caliDist(cm),rawRTT(psec),rawDist(cm),time(sec)\n'
+                    'MAC,caliDist(cm),rawRTT(psec),rawRTTVar,rawDist(cm),' +
+                    'rawDistVar,rssi(dBm),time(sec)\n'
                 )
             except Exception as e:
                 print(str(e))
@@ -121,18 +122,22 @@ class Measurement(object):
             result.append((mac, distance, rtt, raw_distance))
             if self.outf is not None:
                 self.outf.write(
-                    "{0},{1:.2f},{2},{3},{4:.6f}\n".format(
-                        mac, distance, rtt, raw_distance, time.time()
+                    "{0},{1:.2f},{2},{3},{4},{5},{6},{7:.6f}\n".format(
+                        mac, distance, rtt, rtt_var,
+                        raw_distance, raw_distance_var,
+                        rssi, time.time()
                     )
                 )
         return result
 
-    def get_distance_median(self, rounds=10):
+    def get_distance_median(self, rounds=1):
         '''
         use median instead of mean for less bias with small number of rounds
         '''
         result = {}
         median_result = {}
+        if rounds < 1:
+            rounds = 1
         for i in range(rounds):
             # no guarantee that all rounds are successful
             for each in self.get_distance_once():
@@ -199,9 +204,9 @@ def main():
     )
     p.add_argument(
         '--rounds',
-        default=10,
+        default=3,
         type=int,
-        help="how many rounds to run one command; default is 10"
+        help="how many rounds to run one command; default is 3"
     )
     p.add_argument(
         '--interface', '-i',