def is_rawhid(desc):
if desc["usage_page"] != 0xFF60 or desc["usage"] != 0x61:
logging.warning("is_rawhid: {} does not match - usage_page={:04X} usage={:02X}".format(
desc["path"], desc["usage_page"], desc["usage"]))
return False
dev = hid.device()
try:
dev.open_path(desc["path"])
except OSError as e:
logging.warning("is_rawhid: {} does not match - open_path error {}".format(desc["path"], e))
return False
# probe VIA version and ensure it is supported
data = b""
try:
data = hid_send(dev, b"\x01", retries=3)
except RuntimeError as e:
logging.warning("is_rawhid: {} does not match - hid_send error {}".format(desc["path"], e))
pass
dev.close()
# must have VIA protocol version = 9
if data[0:3] != b"\x01\x00\x09":
logging.warning("is_rawhid: {} does not match - unexpected data in response {}".format(
desc["path"], data.hex()))
return False
logging.info("is_rawhid: {} matched OK".format(desc["path"]))
return True
def open(self, override_json=None):
self.dev = hid.device()
for x in range(10):
try:
self.dev.open_path(self.desc["path"])
return
except OSError:
time.sleep(1)
raise RuntimeError("unable to open the device")
def is_rawhid(desc):
if desc["usage_page"] != 0xFF60 or desc["usage"] != 0x61:
return False
dev = hid.device()
try:
dev.open_path(desc["path"])
except OSError:
return False
# probe VIA version and ensure it is supported
data = b""
try:
data = hid_send(dev, b"\x01", retries=3)
except RuntimeError:
pass
dev.close()
# must have VIA protocol version = 9
return data[0:3] == b"\x01\x00\x09"
def open(self, override_json=None):
# TODO: error handling here
self.dev = hid.device()
self.dev.open_path(self.desc["path"])