def retrieve_settings_from_serial(self):
ser = self.ser
self.oldSettings.clear()
printStdErr("\nRequesting old settings from %(a)s." % msg_map)
expected_responses = 2
# versions older than 2.0.0 did not have a device manager
if not self.versionOld.isNewer("0.2.0"):
expected_responses += 1
ser.write("d{}".encode()) # installed devices
time.sleep(1)
ser.write("c".encode()) # control constants
ser.write("s".encode()) # control settings
time.sleep(2)
while expected_responses:
line = ser.readline().decode()
if line:
line = util.asciiToUnicode(str(line))
if line[0] == 'C':
expected_responses -= 1
self.oldSettings['controlConstants'] = json_decode_response(
line)
elif line[0] == 'S':
expected_responses -= 1
self.oldSettings['controlSettings'] = json_decode_response(
line)
elif line[0] == 'd':
expected_responses -= 1
self.oldSettings['installedDevices'] = json_decode_response(
line)
def retrieve_settings_from_serial(self):
ser = self.ser
self.oldSettings.clear()
printStdErr("Requesting old settings from %(a)s..." % msg_map)
expected_responses = 2
if not self.versionOld.isNewer("0.2.0"): # versions older than 2.0.0 did not have a device manager
expected_responses += 1
ser.write("d{}") # installed devices
time.sleep(1)
ser.write("c") # control constants
ser.write("s") # control settings
time.sleep(2)
while expected_responses:
line = ser.readline()
if line:
line = util.asciiToUnicode(line)
if line[0] == 'C':
expected_responses -= 1
self.oldSettings['controlConstants'] = json_decode_response(line)
elif line[0] == 'S':
expected_responses -= 1
self.oldSettings['controlSettings'] = json_decode_response(line)
elif line[0] == 'd':
expected_responses -= 1
self.oldSettings['installedDevices'] = json_decode_response(line)
def lineFromSerial(ser):
global serialBuffer
inWaiting = None
newData = None
try:
inWaiting = ser.inWaiting()
if inWaiting > 0:
newData = ser.read(inWaiting)
except (IOError, OSError, SerialException) as e:
logMessage('Serial Error: {0})'.format(str(e)))
return
if newData:
serialBuffer = serialBuffer + newData
if '\n' in serialBuffer:
lines = serialBuffer.partition('\n') # returns 3-tuple with line, separator, rest
if(lines[1] == ''):
# '\n' not found, first element is incomplete line
serialBuffer = lines[0]
return None
else:
# complete line received, [0] is complete line [1] is separator [2] is the rest
serialBuffer = lines[2]
return util.asciiToUnicode(lines[0])
def lineFromSerial(ser):
global serialBuffer
inWaiting = None
newData = None
try:
inWaiting = ser.inWaiting()
if inWaiting > 0:
newData = ser.read(inWaiting)
except (IOError, OSError, SerialException) as e:
logMessage('Serial Error: {0})'.format(str(e)))
return
if newData:
serialBuffer = serialBuffer + newData
if '\n' in serialBuffer:
lines = serialBuffer.partition('\n') # returns 3-tuple with line, separator, rest
if(lines[1] == ''):
# '\n' not found, first element is incomplete line
serialBuffer = lines[0]
return None
else:
# complete line received, [0] is complete line [1] is separator [2] is the rest
serialBuffer = lines[2]
return util.asciiToUnicode(lines[0])
fcntl.fcntl(fd, fcntl.F_SETFL, oldflags | os.O_NONBLOCK)
inp, outp, err = select.select([sys.stdin], [], [])
received = sys.stdin.read()
if received == 'q':
ser.close()
break
elif received == 's':
termios.tcsetattr(fd, termios.TCSAFLUSH, oldterm)
fcntl.fcntl(fd, fcntl.F_SETFL, oldflags)
userInput = input(
"Type the string you want to send to the controller: ")
print("Sending: " + userInput)
ser.write(userInput.encode(encoding="cp437"))
line = ser.readline()
line = util.asciiToUnicode(line)
line = line.decode(encoding="cp437")
if line:
if (line[0] == 'D'):
try:
decoded = json.loads(line[2:])
print("Debug message received: " +
expandLogMessage.expandLogMessage(line[2:]))
except json.JSONDecodeError:
# Print line normally, is not json
print("Debug message received: " + line[2:])
else:
print(line)
finally:
def __asciiToUnicode(self, s):
return BrewPiUtil.asciiToUnicode(s)
def test_ascii_to_unicode_extended_ascii_is_discarded(self):
s = 'test\xff'
s = util.asciiToUnicode(s)
self.assertEqual(s, u'test')
def testAsciiToUnicodeCanBeJsonSerialized(self):
s = '{"test": "18\xB0C"}'
# without next line, error will be:
# UnicodeDecodeError: 'utf8' codec can't decode byte 0xb0 in position 2: invalid start byte
s = util.asciiToUnicode(s)
json.loads(s)
def test_ascii_to_unicode_degree_sign(self):
s = 'temp: 18\xB0C'
s = util.asciiToUnicode(s)
self.assertEqual(s, u'temp: 18°C')
def test_ascii_to_unicode_extended_ascii_is_discarded(self):
s = 'test\xff'
s = util.asciiToUnicode(s)
self.assertEqual(s, u'test')
def testAsciiToUnicodeCanBeJsonSerialized(self):
s = '{"test": "18\xB0C"}'
# without next line, error will be:
# UnicodeDecodeError: 'utf8' codec can't decode byte 0xb0 in position 2: invalid start byte
s = util.asciiToUnicode(s)
simplejson.loads(s)
def test_ascii_to_unicode_degree_sign(self):
s = 'temp: 18\xB0C'
s = util.asciiToUnicode(s)
self.assertEqual(s, u'temp: 18°C')
