def _handleKeyPresses(self):
"""handles key presses and performs a gesture"""
try:
if (self._brxnvda):
k = self._brxnvda.brxnvda_keyIndex()
if (k != -1):
self.executeGesture(InputGesture(k, self))
return
if (self._dev is None and self._baud > 0):
try:
devlist = ftdi2.list_devices()
if (len(devlist) > 0):
self.connectUSB(devlist)
except:
return
s = brl_poll(self._dev)
if s:
self._repeatcount = 0
ig = InputGesture(s, self)
self.executeGesture(ig)
else:
if (len(self.decodedkeys)):
ig = InputGesture(None, self)
self.executeGesture(ig)
except:
if (self._dev != None): self._dev.close()
self._dev = None
def _handleKeyPresses(self): """handles key presses and performs a gesture""" try: if(self._brxnvda): k = self._brxnvda.brxnvda_keyIndex() if(k!=-1): self.executeGesture(InputGesture(k,self)) return if(self._dev is None and self._baud>0): try: devlist = ftdi2.list_devices() if(len(devlist)>0): self.connectUSB(devlist) except: return s = brl_poll(self._dev) if s: self._repeatcount=0 ig = InputGesture(s,self) self.executeGesture(ig) else: if(len(self.decodedkeys)): ig = InputGesture(None,self) self.executeGesture(ig) except: if(self._dev!=None): self._dev.close() self._dev=None
def readFun(self):
try:
dev = ft.list_devices()
except:
dev = []
while len (dev) == 0:
time.sleep (5)
print "Rechecking hardware connection..."
try:
dev = ft.list_devices()
except:
dev = []
self.f = ft.open_ex(dev[0])
print self.f
while True:
item = self.q.get()
self.f.write(item)
print repr(item)
def readFun(self):
try:
dev = ft.list_devices()
except:
dev = []
while len (dev) == 0:
time.sleep (5)
print "Rechecking hardware connection..."
try:
dev = ft.list_devices()
except:
dev = []
self.f = ft.open_ex(dev[0])
print self.f
while True:
datalistR = [None]*14
item = self.q.get()
self.f.write(item)
time.sleep(0.1)
readData = self.f.read (self.f.get_queue_status())
print repr(readData)
fmtR = '@14B'
(datalistR[0],datalistR[1],datalistR[2],datalistR[3],datalistR[4],datalistR[5],
datalistR[6],datalistR[7],datalistR[8],datalistR[9],datalistR[10],datalistR[11],
datalistR[12],datalistR[13]) = struct.unpack(fmtR,readData)
listHead = [1] * 16
allHead = datalistR[10] * 256 + datalistR[11]
a = 1
for i in range(16):
if a & allHead:
listHead[i] = 0
a = a * 2
self.p.put(listHead)
def __init__(self):
"""initialize driver"""
super(BrailleDisplayDriver, self).__init__()
self.numCells = 0
self._nlk = 0
self._nrk = 0
self.decodedkeys = []
self._baud = 0
self._dev = None
self._proto = None
devlist = []
self.connectBrxCom()
if(self._baud == 1): return #brxcom is running, skip bluetooth and USB
#try to connect to usb device,
#if no usb device is found there may be a bluetooth device
if ftdi2:
devlist = ftdi2.list_devices()
if(len(devlist)==0):
self.connectBluetooth()
elif ftdi2:
self._baud = 57600
self.connectUSB(devlist)
if(self._dev is None):
return None
try:
#request type of braille display
self._dev.write(brl_auto_id())
time.sleep(0.05)# wait 50 ms in order to get response for further actions
autoid=brl_poll(self._dev)
if(autoid == ''):
#no response, assume a Trio is connected
self._baud = 115200
self._dev.set_baud_rate(self._baud)
self._dev.purge()
self._dev.read(self._dev.inWaiting())
self.numCells = 40
self._proto = 'B'
self._voffset = 0
#we don't use autoid here, because the trio might be switched off and other braille displays using the same baud rate do not exist
else:
if(len(autoid) != 8):
return None
autoid = struct.unpack('BBBBBBBB',autoid)
if(autoid[3] == 0x35 and autoid[4] == 0x38):#EL80s
self.numCells = 80
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL80s")
elif(autoid[3]==0x35 and autoid[4]==0x3A):#EL70s
self.numCells = 70
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL70s")
elif(autoid[3]==0x35 and autoid[4]==0x35):#EL40s
self.numCells = 40
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL40s")
elif(autoid[3] == 0x35 and autoid[4] == 0x37):#EL66s
self.numCells = 66
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL66s")
elif(autoid[3] == 0x35 and autoid[4] == 0x3E):#EL20c
self.numCells = 20
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL20c")
elif(autoid[3] == 0x35 and autoid[4] == 0x3F):#EL40c
self.numCells = 40
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL40c")
elif(autoid[3] == 0x36 and autoid[4] == 0x30):#EL60c
self.numCells = 60
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL60c")
elif(autoid[3] == 0x36 and autoid[4] == 0x31):#EL80c
self.numCells = 80
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL80c")
elif(autoid[3] == 0x35 and autoid[4] == 0x3b):#EL2D80s
self.numCells = 80
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 20
log.info("Found EL2D80s")
else:
log.debugWarning('UNKNOWN BRAILLE')
except:
log.debugWarning('BROKEN PIPE - THIS SHOULD NEVER HAPPEN')
if(self.numCells == 0): raise Exception('no device found')
#start keycheck timer
self.startTimer()
self.initmapping()
def __init__(self):
"""initialize driver"""
super(BrailleDisplayDriver, self).__init__()
self.numCells = 0
self._nlk = 0
self._nrk = 0
self.decodedkeys = []
self._baud = 0
self._dev = None
self._proto = None
devlist: List[bytes] = []
#try to connect to usb device,
#if no usb device is found there may be a bluetooth device
if ftdi2:
devlist = ftdi2.list_devices()
if (len(devlist) == 0):
self.connectBluetooth()
elif ftdi2:
self._baud = 57600
self.connectUSB(devlist)
if (self._dev is not None):
try:
#request type of braille display
self._dev.write(brl_auto_id())
time.sleep(
0.05
) # wait 50 ms in order to get response for further actions
autoid: bytes = brl_poll(self._dev)
if autoid == b'':
#no response, assume a Trio is connected
self._baud = 115200
self._dev.set_baud_rate(self._baud)
self._dev.purge()
self._dev.read(self._dev.inWaiting())
#request type of braille display twice because of baudrate change
self._dev.write(brl_auto_id())
self._dev.write(brl_auto_id())
time.sleep(
0.05
) # wait 50 ms in order to get response for further actions
autoid = brl_poll(self._dev)
if len(autoid) != 8:
return
else:
if (autoid[3] == 0x35 and autoid[4] == 0x38): #EL80s
self.numCells = 80
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL80s")
elif (autoid[3] == 0x35 and autoid[4] == 0x3A): #EL70s
self.numCells = 70
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL70s")
elif (autoid[3] == 0x35 and autoid[4] == 0x35): #EL40s
self.numCells = 40
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL40s")
elif (autoid[3] == 0x35 and autoid[4] == 0x37): #EL66s
self.numCells = 66
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL66s")
elif (autoid[3] == 0x35 and autoid[4] == 0x3E): #EL20c
self.numCells = 20
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL20c")
elif (autoid[3] == 0x35 and autoid[4] == 0x3F): #EL40c
self.numCells = 40
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL40c")
elif (autoid[3] == 0x36 and autoid[4] == 0x30): #EL60c
self.numCells = 60
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL60c")
elif (autoid[3] == 0x36 and autoid[4] == 0x31): #EL80c
self.numCells = 80
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL80c")
elif (autoid[3] == 0x35 and autoid[4] == 0x3b): #EL2D80s
self.numCells = 80
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 20
log.info("Found EL2D80s")
elif (autoid[3] == 0x35 and autoid[4] == 0x39): #trio
self.numCells = 40
self._proto = 'B'
self._voffset = 0
log.info("Found trio")
elif (autoid[3] == 0x36 and autoid[4] == 0x34): #live20
self.numCells = 20
self._proto = 'B'
self._voffset = 0
log.info("Found live 20")
elif (autoid[3] == 0x36 and autoid[4] == 0x33): #live+
self.numCells = 40
self._proto = 'B'
self._voffset = 0
log.info("Found live+")
elif (autoid[3] == 0x36 and autoid[4] == 0x32): #live
self.numCells = 40
self._proto = 'B'
self._voffset = 0
log.info("Found live")
else:
log.debugWarning('UNKNOWN BRAILLE')
except:
log.debugWarning('BROKEN PIPE - THIS SHOULD NEVER HAPPEN')
if (self.numCells == 0): raise Exception('no device found')
#start keycheck timer
self.startTimer()
self.initmapping()
def __init__(self):
"""initialize driver"""
super(BrailleDisplayDriver, self).__init__()
self.numCells = 0
self._nlk = 0
self._nrk = 0
self._r1next = itertools.cycle(('r1a', 'r1b'))
self.decodedkeys = []
self._baud = 0
self._dev = None
self._proto = None
self.connectBrxCom()
if (self._baud == 1):
return #brxcom is running, skip bluetooth and USB
#try to connect to usb device,
#if no usb device is found there may be a bluetooth device
try:
devlist = ftdi2.list_devices()
except:
devlist = []
if (len(devlist) == 0):
self.connectBluetooth()
else:
self._baud = 57600
self.connectUSB(devlist)
if (self._dev is None):
return None
try:
#request type of braille display
self._dev.write(brl_auto_id())
time.sleep(
0.05
) # wait 50 ms in order to get response for further actions
autoid = brl_poll(self._dev)
if (autoid == ''):
#no response, assume a Trio is connected
self._baud = 115200
self._dev.set_baud_rate(self._baud)
self._dev.purge()
self._dev.read(self._dev.inWaiting())
self.numCells = 40
self._proto = 'B'
self._voffset = 0
#we don't use autoid here, because the trio might be switched off and other braille displays using the same baud rate do not exist
else:
if (len(autoid) != 8):
return None
autoid = struct.unpack('BBBBBBBB', autoid)
if (autoid[3] == 0x35 and autoid[4] == 0x38): #EL80s
self.numCells = 80
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL80s")
elif (autoid[3] == 0x35 and autoid[4] == 0x3A): #EL70s
self.numCells = 70
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL70s")
elif (autoid[3] == 0x35 and autoid[4] == 0x35): #EL40s
self.numCells = 40
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL40s")
elif (autoid[3] == 0x35 and autoid[4] == 0x37): #EL66s
self.numCells = 66
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL66s")
elif (autoid[3] == 0x35 and autoid[4] == 0x3E): #EL20c
self.numCells = 20
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL20c")
elif (autoid[3] == 0x35 and autoid[4] == 0x3F): #EL40c
self.numCells = 40
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL40c")
elif (autoid[3] == 0x36 and autoid[4] == 0x30): #EL60c
self.numCells = 60
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL60c")
elif (autoid[3] == 0x36 and autoid[4] == 0x31): #EL80c
self.numCells = 80
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 0
log.info("Found EL80c")
elif (autoid[3] == 0x35 and autoid[4] == 0x3b): #EL2D80s
self.numCells = 80
self._nlk = 1
self._nrk = 1
self._proto = 'A'
self._voffset = 20
log.info("Found EL2D80s")
else:
log.debugWarning('UNKNOWN BRAILLE')
except:
log.debugWarning('BROKEN PIPE - THIS SHOULD NEVER HAPPEN')
if (self.numCells == 0): raise Exception('no device found')
#start keycheck timer
self.startTimer()
self.initmapping()
