class EchoFeature(hid_gadget.HidFeature):
REPORT_DESC = hid_descriptors.ReportDescriptor(
hid_descriptors.UsagePage(0xFF00), # Vendor Defined
hid_descriptors.Usage(0),
hid_descriptors.Collection(
hid_constants.CollectionType.APPLICATION,
hid_descriptors.LogicalMinimum(0, force_length=1),
hid_descriptors.LogicalMaximum(255, force_length=2),
hid_descriptors.ReportSize(8),
hid_descriptors.ReportCount(8),
hid_descriptors.Usage(0),
hid_descriptors.Input(hid_descriptors.Data,
hid_descriptors.Variable,
hid_descriptors.Absolute),
hid_descriptors.Usage(0),
hid_descriptors.Output(hid_descriptors.Data,
hid_descriptors.Variable,
hid_descriptors.Absolute),
hid_descriptors.Usage(0),
hid_descriptors.Feature(hid_descriptors.Data,
hid_descriptors.Variable,
hid_descriptors.Absolute)
)
)
def __init__(self):
super(EchoFeature, self).__init__()
self._input_output_report = 0
self._feature_report = 0
def SetInputReport(self, data):
self._input_output_report, = struct.unpack('<Q', data)
self.SendReport(struct.pack('<Q', self._input_output_report))
return True
def SetOutputReport(self, data):
self._input_output_report, = struct.unpack('<Q', data)
self.SendReport(struct.pack('<Q', self._input_output_report))
return True
def SetFeatureReport(self, data):
self._feature_report, = struct.unpack('<Q', data)
return True
def GetInputReport(self):
return struct.pack('<Q', self._input_output_report)
def GetOutputReport(self):
return struct.pack('<Q', self._input_output_report)
def GetFeatureReport(self):
return struct.pack('<Q', self._feature_report)
report_desc = hid_descriptors.ReportDescriptor(
hid_descriptors.UsagePage(0xFF00), # Vendor Defined
hid_descriptors.Usage(0x00),
hid_descriptors.Collection(
hid_constants.CollectionType.APPLICATION,
hid_descriptors.LogicalMinimum(0, force_length=1),
hid_descriptors.LogicalMaximum(255, force_length=2),
hid_descriptors.ReportSize(8), hid_descriptors.ReportCount(8),
hid_descriptors.Input(hid_descriptors.Data, hid_descriptors.Variable,
hid_descriptors.Absolute,
hid_descriptors.BufferedBytes),
hid_descriptors.Output(hid_descriptors.Data, hid_descriptors.Variable,
hid_descriptors.Absolute,
hid_descriptors.BufferedBytes),
hid_descriptors.Feature(hid_descriptors.Data, hid_descriptors.Variable,
hid_descriptors.Absolute,
hid_descriptors.BufferedBytes)))
combo_report_desc = hid_descriptors.ReportDescriptor(
hid_descriptors.ReportID(1), report_desc, hid_descriptors.ReportID(2),
report_desc)
class HidGadgetTest(unittest.TestCase):
def test_bad_intervals(self):
with self.assertRaisesRegexp(ValueError, 'Full speed'):
hid_gadget.HidGadget(report_desc,
features={},
interval_ms=50000,
vendor_id=0,
product_id=0)