def verify_cache(index, res_folder):
num_files = len(index)
missing = 0
corrupt = 0
scanned = 0
for entry in index:
scanned += 1
progress.write("Scanned %6.1d of %6.1d files (%6.1d corrupt, %6.1d missing)\r" %
(scanned, num_files, corrupt, missing))
filename = os.path.join(res_folder, entry.cached_name)
if not os.path.exists(filename):
missing += 1
continue
checksum = calc_checksum(filename)
if checksum != entry.md5_checksum:
corrupt += 1
try:
os.remove(filename)
except IOError:
pass
progress.clear()
print "Verified %d files:" % num_files
print " %6.1d files corrupt" % corrupt
print " %6.1d files not yet downloaded" % missing
return corrupt, missing
def DownloadResourceFile(target_url, expected_checksum, target_path):
try:
contents = urllib2.urlopen(target_url)
except urllib2.URLError:
return False, "Couldn't open %s" % target_url
data = contents.read()
headers = contents.info()
if ('content-encoding' in headers.keys() and headers['content-encoding']=='gzip'):
sio = StringIO.StringIO(data)
gzipper = gzip.GzipFile(fileobj=sio)
data = gzipper.read()
temp_path = target_path + ".tmp"
with open(temp_path, "wb") as f:
f.write(data)
checksum_from_file = calc_checksum(temp_path)
if checksum_from_file != expected_checksum:
try:
os.remove(temp_path)
except OSError:
pass
return False, "Checksum didn't match"
try:
os.rename(temp_path, target_path)
except OSError:
return False, "Failed to rename temp file to final name"
return True, "OK"
def DownloadResourceFile(target_url, expected_checksum, target_path):
try:
contents = urllib2.urlopen(target_url)
except urllib2.URLError:
return False, "Couldn't open %s" % target_url
data = contents.read()
headers = contents.info()
if ('content-encoding' in headers.keys()
and headers['content-encoding'] == 'gzip'):
sio = StringIO.StringIO(data)
gzipper = gzip.GzipFile(fileobj=sio)
data = gzipper.read()
temp_path = target_path + ".tmp"
with open(temp_path, "wb") as f:
f.write(data)
checksum_from_file = calc_checksum(temp_path)
if checksum_from_file != expected_checksum:
try:
os.remove(temp_path)
except OSError:
pass
return False, "Checksum didn't match"
try:
os.rename(temp_path, target_path)
except OSError:
return False, "Failed to rename temp file to final name"
return True, "OK"
def DownloadResourceFile(target_url, expected_checksum, target_path):
try:
contents = urllib2.urlopen(target_url)
except urllib2.URLError:
return False
temp_path = target_path + ".tmp"
with open(temp_path, "wb") as f:
f.write(contents.read())
checksum_from_file = calc_checksum(temp_path)
if checksum_from_file != expected_checksum:
try:
os.remove(temp_path)
except OSError:
pass
return False
try:
os.rename(temp_path, target_path)
except OSError:
pass
return True
def DownloadResourceFile(target_url, expected_checksum, target_path):
try:
contents = urllib2.urlopen(target_url)
except urllib2.URLError:
return False
temp_path = target_path + ".tmp"
with open(temp_path, "wb") as f:
f.write(contents.read())
checksum_from_file = calc_checksum(temp_path)
if checksum_from_file != expected_checksum:
try:
os.remove(temp_path)
except OSError:
pass
return False
try:
os.rename(temp_path, target_path)
except OSError:
pass
return True
def run(self):
try:
#Connections
if (useServer):
self.connectToServer()
print("Connected to test server")
data = Data(self.sock)
self.connectToArduino()
#Handshaking with Arduino
while (self.isHandshakeDone == False):
self.serial_port.write('H')
print("H sent")
time.sleep(0.5)
reply = self.serial_port.read(1)
if (reply == 'B'):
self.isHandshakeDone = True
self.serial_port.write('F')
print("Connected to Arduino")
self.serial_port.readline()
time.sleep(1)
else:
time.sleep(0.5)
#Receive data from Arduino(periodically) and save to CSV
send_flag = True
while (collect_test_data):
if (send_flag == True):
self.serial_port.write('R')
send_flag = False
time.sleep(0.1)
if (self.serial_port.inWaiting() > 0):
arduino_data = readlineCR(self.serial_port)
print(arduino_data)
cs.save_data(arduino_data)
send_flag = True
cs.calc_checksum(arduino_data)
i = 0
#Read and Predict the results
while (testing_samples):
if (send_flag == True):
self.serial_port.write('R')
send_flag = False
time.sleep(0.1)
if (self.serial_port.inWaiting() > 0):
send_flag = True
arduino_data = readlineCR(self.serial_port)
#print(arduino_data)
if (cs.calc_checksum(arduino_data)
): #if checksum is correct
last_comma_index = arduino_data.rfind(",")
arduino_data = arduino_data[:
last_comma_index] #strip out the checksum
arduino_data_list = arduino_data.split(
"\n")[:-1] #split into 4 rows of samples
for item in arduino_data_list:
data.sample_queue.appendleft(item)
self.retrieve_data(data, arduino_data)
if (len(data.sample_queue) == 20):
if (i % 2 == 1):
self.result_queue.appendleft(
predict.predict_data(data.sample_queue))
#print(list(self.result_queue))
data.sample_queue.clear()
if (len(list(self.result_queue)) == 3
and len(set(list(self.result_queue))) == 1):
predictedMove = (list(self.result_queue)[0])
self.result_queue.clear()
if (predictedMove != "Idle"):
data.sendData(predictedMove)
i += 1
#test communication with server.
## while(True):
## name = raw_input("What is the dance move?")
## data.voltage = 12
## data.current = 1
## data.power = 100
## data.cumpower
## data.sendData(name)
except KeyboardInterrupt:
sys.exit(1)
print('Waiting to GPS be free')
drainer = True
while drainer:
drainer = gps_s.any()
if drainer > 0:
gps_s.read(drainer)
print('Writing AGPS data')
gps_s.write(r.content)
print('Done')
# RXM Configuration
print('Writing configuration')
header = struct.pack('BBBBH', 0xb5, 0x62, 0x06, 0x11, 2)
payload = b'\x00' + struct.pack('B', 0)
ck_a, ck_b = calc_checksum(struct.pack('<BBH', 0x06, 0x11, 2) + payload)
gps_s.write(header + payload + struct.pack('BB', ck_a, ck_b))
print('Done')
def print_buf(b):
if b.startswith(b'$'):
print(b.decode('utf-8').strip())
if b.startswith(b'\xb5'):
print(hexlify(b).decode('utf-8'))
c = 0
buf = b''
while True:
char = gps_s.read(1)
"type": "Feature",
"properties": {
"remote_ID": str(remote_ID.decode()),
"altitude": str(altitude),
"speed": str(speed),
"course": str(course),
"battery": str(vBatt),
"RSSI": str(stats.rssi),
"datetime": str(GPSdatetime)
}
}
# write received data to log file in CSV format in append mode
#with open("/sd/log.csv", 'a') as Log_file:
# Log_file.write(remote_ID + ',' + str(GPSFix) + ',' + str(lat) + ',' + str(lon) + ',' + str(vBatt) + ',' + str(stats.rssi) + '\n')
else:
# print received data to serial port / screen
print(
str(gc.mem_free()) + ',' + str(remoteMem) + ',RX:' +
str(remote_ID) + ",NOGPS," + str(lat) + ',' + str(lon) +
',' + str(altitude) + ',' + str(speed) + ',' +
str(course) + ',' + str(vBatt) + ',' + str(GPSdatetime) +
',' + str(stats.rssi))
else:
print("Checksum ERROR")
print('Recv CRC: ')
print(databytes[:-4])
print('Calc CRC: ')
print(hex(calc_checksum(databytes)))
time.sleep(receiveInterval)
