def readGPS(self, readingType, callType):
# read gps until it gets valid data
#while True:
gpsData = GPS.read()
#if gpsData['fix']:
# break
# we will update the bearing independent of the coordinates on the assumption that the gps will read the
# coordinates more accurately while stationary, and the bearing more accurateley while moving
if (readingType == 'LatLong'):
if (callType == 'current'):
self.currentLat = gpsData['latitude']
self.currentLat = gpsData['longitude']
#telemetry.dataList['currentLat'] = gpsData['latitude']
#telemetry.dataList['currentLong'] = gpsData['longitude']
elif (callType == 'intial'):
self.startLat = gpsData['latitude']
self.startLong = gpsData['longitude']
#telemetry.dataList['startLat'] = gpsData['latitude']
#telemetry.dataList['startLong'] = gpsData['longitude']
elif (callType == 'water'):
self.waterLat = gpsData['latitude']
self.waterLong = gpsData['longitude']
#telemetry.dataList['waterLat'] = gpsData['latitude']
#telemetry.dataList['waterLong'] = gpsData['longitude']
elif (readingType == 'bearing'):
self.bearing == gpsData['bearing']
def waterDetected(self):
self.stopMovement()
with open('stats.txt', 'r') as txt:
# read a list of lines into data
data = txt.readlines()
txt.close()
gpsReading = GPS.read()
# now change the line wishing to write to (see constants for defined line numbers)
data[WATER_FOUND] = "True\n"
if gpsReading['fix']:
data[CURRENT_LAT] = gpsReading['latitude']
data[CURRENT_LONG] = gpsReading['longitude']
data[WATER_LAT] = gpsReading['latitude']
data[WATER_LONG] = gpsReading['longitude']
else:
data[CURRENT_LAT] = 'No GPS Fix\n'
data[CURRENT_LONG] = 'No GPS Fix\n'
data[WATER_LAT] = 'No GPS Fix\n'
data[WATER_LONG] = 'No GPS Fix\n'
# and write everything back
with open('stats.txt', 'w') as file:
txt.writelines(data)
txt.close()
def _get_gps():
#get latitude/longitude from the read() function imported from gpsReader.py
gpsData = gpsReader.read()
#returns a json object (a kind of dictionary) with a key called 'data' with
#a corresponding value that's a snippet of HTML code containing our gpsData
#formatted by the template in response.html
return jsonify({'data': render_template('response.html', gpsData=gpsData)})
def resetTelemFile():
with open('stats.txt', 'r') as txt:
# read a list of lines into data
data = txt.readlines()
txt.close()
# now change the lines wishing to write to (see constants for defined line numbers)
data[WATER_FOUND] = "False\n"
gpsReading = gps.read()
if gpsReading['fix']:
data[CURRENT_LAT] = str(gpsReading['latitude']) + '\n'
data[CURRENT_LONG] = str(gpsReading['longitude']) + '\n'
else:
data[CURRENT_LAT] = "No GPS Fix"
data[CURRENT_LONG] = "No GPS Fix"
date[WATER_LAT] = "Not Yet Found\n"
data[WATER_LONG] = "Not Yet Found\n"
# and write everything back
with open('stats.txt', 'w') as file:
txt.writelines(data)
txt.close()