def __init__(self, port="auto"):
super(BrailleDisplayDriver, self).__init__()
self.numCells = 0
self._model = None
for match in self._getTryPorts(port):
portType, portId, port, portInfo = match
self.isBulk = portType == bdDetect.KEY_CUSTOM
# Try talking to the display.
try:
if self.isBulk:
# onReceiveSize based on max packet size according to USB endpoint information.
self._dev = hwIo.Bulk(port,
0,
1,
self._onReceive,
writeSize=0,
onReceiveSize=64)
else:
self._dev = hwIo.Serial(port,
baudrate=BAUD_RATE,
parity=PARITY,
timeout=self.timeout,
writeTimeout=self.timeout,
onReceive=self._onReceive)
except EnvironmentError:
log.debugWarning("", exc_info=True)
continue
for i in xrange(3):
self._sendCellCountRequest()
# Wait for an expected response.
if self.isBulk:
# Hims Bulk devices sometimes present themselves to the system while not yet ready.
# For example, when switching the connection mode toggle on the Braille EDGE from Bluetooth to USB,
# the USB device is connected but not yet ready.
# Wait ten times the timeout, which is ugly, but effective.
self._dev.waitForRead(self.timeout * 10)
else:
self._dev.waitForRead(self.timeout)
if self.numCells:
break
if not self.numCells:
log.debugWarning("No response from potential Hims display")
self._dev.close()
continue
self._sendIdentificationRequests(match)
if self._model:
# A display responded.
log.info("Found {device} connected via {type} ({port})".format(
device=self._model.name, type=portType, port=port))
break
self._dev.close()
else:
raise RuntimeError("No Hims display found")
def __init__(self, port="auto"):
super(BrailleDisplayDriver, self).__init__()
self.numCells = 0
self._model = None
if port == "auto":
tryPorts = self._getAutoPorts(
hwPortUtils.listComPorts(onlyAvailable=True))
else:
try:
btName = next(
portInfo.get("bluetoothName", "")
for portInfo in hwPortUtils.listComPorts()
if portInfo.get("port") == port)
btPrefix = next(prefix for prefix in bluetoothPrefixes
if btName.startswith(prefix))
tryPorts = ((port, "bluetooth", btPrefix), )
except StopIteration:
tryPorts = ()
for port, portType, identifier in tryPorts:
self.isBulk = portType == "USB bulk"
# Try talking to the display.
try:
if self.isBulk:
# onReceiveSize based on max packet size according to USB endpoint information.
self._dev = hwIo.Bulk(port,
0,
1,
self._onReceive,
writeSize=0,
onReceiveSize=64)
else:
self._dev = hwIo.Serial(port,
baudrate=BAUD_RATE,
parity=PARITY,
timeout=self.timeout,
writeTimeout=self.timeout,
onReceive=self._onReceive)
except EnvironmentError:
log.debugWarning("", exc_info=True)
continue
for i in xrange(3):
self._sendCellCountRequest()
# Wait for an expected response.
if self.isBulk:
# Hims Bulk devices sometimes present themselves to the system while not yet ready.
# For example, when switching the connection mode toggle on the Braille EDGE from Bluetooth to USB,
# the USB device is connected but not yet ready.
# Wait ten times the timeout, which is ugly, but effective.
self._dev.waitForRead(self.timeout * 10)
else:
self._dev.waitForRead(self.timeout)
if self.numCells:
break
if not self.numCells:
log.debugWarning("No response from potential Hims display")
self._dev.close()
continue
if portType == "USB serial":
self._model = SyncBraille()
elif self.isBulk:
self._sendIdentificationRequests(usbId=identifier)
elif portType == "bluetooth" and identifier:
self._sendIdentificationRequests(bluetoothPrefix=identifier)
else:
self._sendIdentificationRequests()
if self._model:
# A display responded.
log.info("Found {device} connected via {type} ({port})".format(
device=self._model.name, type=portType, port=port))
break
self._dev.close()
else:
raise RuntimeError("No Hims display found")
def __init__(self, port="auto"):
self.numCells = 0
self._ackPending = False
self._pendingCells = []
self._keyBits = 0
self._extendedKeyBits = 0
self._ignoreKeyReleases = False
self._model = None
self._manufacturer = None
self._firmwareVersion = None
self.translationTable = None
self.leftWizWheelActionCycle = itertools.cycle(self.wizWheelActions)
action = self.leftWizWheelActionCycle.next()
self.gestureMap.add("br(freedomScientific):leftWizWheelUp", *action[1])
self.gestureMap.add("br(freedomScientific):leftWizWheelDown", *action[2])
self.rightWizWheelActionCycle = itertools.cycle(self.wizWheelActions)
action = self.rightWizWheelActionCycle.next()
self.gestureMap.add("br(freedomScientific):rightWizWheelUp", *action[1])
self.gestureMap.add("br(freedomScientific):rightWizWheelDown", *action[2])
super(BrailleDisplayDriver, self).__init__()
for portType, portId, port, portInfo in self._getTryPorts(port):
self.isUsb = portType == bdDetect.KEY_CUSTOM
# Try talking to the display.
try:
if self.isUsb:
self._dev = hwIo.Bulk(
port,
epIn=1,
epOut=0,
onReceive=self._onReceive,
writeSize=0,
onReceiveSize=56
)
else:
self._dev = hwIo.Serial(
port,
baudrate=BAUD_RATE,
parity=PARITY,
timeout=self.timeout,
writeTimeout=self.timeout,
onReceive=self._onReceive
)
except EnvironmentError:
log.debugWarning("", exc_info=True)
continue
# Send an identification request
self._sendPacket(FS_PKT_QUERY)
for _i in xrange(3):
self._dev.waitForRead(self.timeout)
if self.numCells and self._model:
break
if self.numCells and self._model:
# A display responded.
log.info("Found {device} connected via {type} ({port})".format(
device=self._model, type=portType, port=port))
break
self._dev.close()
else:
raise RuntimeError("No Freedom Scientific display found")
self._configureDisplay()
self.gestureMap.add("br(freedomScientific):topRouting1",
"globalCommands", "GlobalCommands", "braille_scrollBack")
self.gestureMap.add("br(freedomScientific):topRouting%d" % self.numCells,
"globalCommands", "GlobalCommands", "braille_scrollForward")
