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#
# DO NOT CALL THIS FUNCTION!
# call readSensors instead - it will integrate odometry
# for what that's worth, admittedly...
# if you call this without integrating odometry, the
# distance and rawAngle reported will be lost...
#
def _getRawSensorFrameAsList(self, packetnumber):
""" gets back a raw string of sensor data
which then can be used to create a SensorFrame
"""
if type(packetnumber) != type(1):
packetnumber = 6
if packetnumber < 0 or packetnumber > 6:
packetnumber = 6
self._write( SENSORS )
self._write( chr(packetnumber) )
if packetnumber == 0:
r = self.ser.read(size=26)
if packetnumber == 1:
r = self.ser.read(size=10)
if packetnumber == 2:
r = self.ser.read(size=6)
if packetnumber == 3:
r = self.ser.read(size=10)
if packetnumber == 4:
r = self.ser.read(size=14)
if packetnumber == 5:
r = self.ser.read(size=12)
if packetnumber == 6:
r = self.ser.read(size=52)
r = [ ord(c) for c in r ] # convert to ints
return r
def _getRawSensorDataAsList(self, listofsensors):
""" gets the chosen sensors
and returns the raw bytes, as a string
needs to be converted to integers...
"""
numberOfSensors = len(listofsensors)
self._write( QUERYLIST )
self._write( chr(numberOfSensors) )
resultLength = 0
for sensornum in listofsensors:
self._write( chr(sensornum) )
resultLength += SENSOR_DATA_WIDTH[sensornum]
r = self.ser.read(size=resultLength)
r = [ ord(c) for c in r ] # convert to ints
#print 'r is ', r
return r
def seekDock(self):
""" sends the force-seeking-dock signal
"""
self.demo(1)
def demo(self, demoNumber=-1):
""" runs one of the built-in demos for Create
if demoNumber is
<omitted> or
-1 stop current demo
0 wander the surrounding area
1 wander and dock, when the docking station is seen
2 wander a more local area
3 wander to a wall and then follow along it
4 figure 8
5 "wimp" demo: when pushed, move forward
when bumped, move back and away
6 home: will home in on a virtual wall, as
long as the back and sides of the IR receiver
are covered with tape
7 tag: homes in on sequential virtual walls
8 pachelbel: plays the first few notes of the canon in D
9 banjo: plays chord notes according to its cliff sensors
chord key is selected via the bumper
"""
if (demoNumber < -1 or demoNumber > 9):
demoNumber = -1 # stop current demo
self._write( DEMO )
if demoNumber < 0 or demoNumber > 9:
# invalid values are equivalent to stopping
self._write( chr(255) ) # -1
else:
self._write( chr(demoNumber) )
def setSong(self, songNumber, songDataList):
""" this stores a song to roomba's memory to play later
with the playSong command