def readPipe(self, channel, data, datalen, timeout=1000):
"""Recv the data to the device."""
bytesTransferred = _ft.ULONG()
self.status = call_ft(_ft.FT_ReadPipeEx, self.handle,
_ft.UCHAR(channel), data, _ft.ULONG(datalen),
c.byref(bytesTransferred), timeout)
return bytesTransferred.value
def readPipe(self, pipe, data, datalen):
"""Recv the data to the device."""
bytesTransferred = _ft.ULONG()
self.status = call_ft(_ft.FT_ReadPipe, self.handle,
_ft.UCHAR(pipe), data, _ft.ULONG(datalen),
c.byref(bytesTransferred), None)
return bytesTransferred.value
def readPipeEx(self, channel, datalen, timeout=1000, raw=False):
"""Recv the data to the device."""
bytesTransferred = _ft.ULONG()
data = c.c_buffer(datalen)
self.status = call_ft(_ft.FT_ReadPipeEx, self.handle,
_ft.UCHAR(channel), data, _ft.ULONG(datalen),
c.byref(bytesTransferred), timeout)
return {
'bytesTransferred':
bytesTransferred.value,
'bytes':
data.value[:bytesTransferred.value]
if raw == False else data.raw[:bytesTransferred.value]
}
def readPipeEx(self, pipe, datalen, raw=True):
"""Recv the data to the device."""
bytesTransferred = _ft.ULONG()
data = c.c_buffer(datalen)
self.status = call_ft(_ft.FT_ReadPipe, self.handle,
_ft.UCHAR(pipe), data, _ft.ULONG(datalen),
c.byref(bytesTransferred), None)
return {
'bytesTransferred':
bytesTransferred.value,
'bytes':
data.raw[:bytesTransferred.value]
if raw == True else data.value[:bytesTransferred.value]
}
def getUnsentBuffer(self, channel):
"""Get the current bytes not yet sent to device."""
# get size only
bytesTransferred = _ft.ULONG()
self.status = call_ft(_ft.FT_GetUnsentBuffer, self.handle, None,
c.byref(bytesTransferred))
if (bytesTransferred == 0):
return {'bytesTransferred': 0, 'bytes': None}
# get and buffer
data = c.c_buffer(bytesTransferred)
bytesTransferred = 0
self.status = call_ft(_ft.FT_GetUnsentBuffer, self.handle, data,
c.byref(bytesTransferred))
return {
'bytesTransferred':
bytesTransferred.value,
'bytes':
data.raw[:bytesTransferred.value]
if raw == True else data.value[:bytesTransferred.value]
}
def getWriteQueueStatus(self, channel):
"""Get the current bytes in the write queue."""
bytesInQueue = _ft.ULONG()
self.status = call_ft(_ft.FT_GetWriteQueueStatus, self.handle,
channel, c.byref(bytesInQueue))
return bytesInQueue
def getSuspendTimeout(self):
"""Get suspend timeout"""
timeout = _ft.ULONG()
self.status = call_ft(_ft.FT_GetSuspendTimeout, self.handle,
c.byref(timeout))
return timeout.value
def setSuspendTimeout(self, timeout):
"""Set suspend timeout"""
self.status = call_ft(_ft.FT_SetSuspendTimeout, self.handle,
_ft.ULONG(timeout))
return None
def setStreamPipe(self, pipe, size):
"""Set stream pipe for continous transfer of fixed size"""
self.status = call_ft(_ft.FT_SetStreamPipe, self.handle,
_ft.BOOLEAN(0), _ft.BOOLEAN(0),
_ft.UCHAR(pipe), _ft.ULONG(size))
return None
def getPipeTimeout(self, pipeid):
"""Get pipe timeout"""
timeoutMS = _ft.ULONG()
self.status = call_ft(_ft.FT_GetPipeTimeout, self.handle,
_ft.UCHAR(pipeid), c.byref(timeoutMS))
return timeoutMS.value
def setPipeTimeout(self, pipeid, timeoutMS):
"""Set pipe timeout"""
self.status = call_ft(_ft.FT_SetPipeTimeout, self.handle,
_ft.UCHAR(pipeid), _ft.ULONG(timeoutMS))
return None
def setGPIOPull(self, mask, pull):
"""Set GPIO pull"""
self.status = call_ft(_ft.FT_SetGPIOPull, self.handle, _ft.ULONG(mask),
_ft.ULONG(pull))
return None
def readGPIO(self):
"""Read GPIO"""
gpio = _ft.ULONG()
self.status = call_ft(_ft.FT_ReadGPIO, self.handle, c.byref(gpio))
return gpio.value
def writeGPIO(self, mask, data):
"""Write GPIO"""
self.status = call_ft(_ft.FT_WriteGPIO, self.handle, _ft.ULONG(mask),
_ft.ULONG(data))
return None
def enableGPIO(self, mask, direction):
"""Enable GPIO"""
self.status = call_ft(_ft.FT_EnableGPIO, self.handle, _ft.ULONG(mask),
_ft.ULONG(direction))
return None
