def test_device(self):
"""Access and release FTDI device."""
ftdis = [(0x403, 0x6001)]
ft232rs = UsbTools.find_all(ftdis)
self.assertEqual(len(ft232rs), 1)
devdesc, ifcount = ft232rs[0]
self.assertEqual(ifcount, 1)
dev = UsbTools.get_device(devdesc)
self.assertIsNotNone(dev)
UsbTools.release_device(dev)
def _connect(self):
if self.gpio:
return
if self.controller is not None:
# Finicky way to get pyftdi to clean up and reconnect properly
# after a hardware disconnect. Not necessary on first connect.
UsbTools.release_device(self.controller._ftdi._usb_dev)
self.controller.close()
UsbTools.flush_cache()
else:
self.controller = GpioMpsseController()
self._setup()
def close(self):
"""Close the FTDI interface"""
self.set_latency_timer(self.LATENCY_MAX)
UsbTools.release_device(self.usb_dev)
def close(self):
"""Close the FTDI interface"""
self.set_latency_timer(self.LATENCY_MAX)
UsbTools.release_device(self.usb_dev)
