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trezor-firmware/src/usb.py
2018-07-10 11:17:12 +02:00

73 lines
2.1 KiB
Python

from trezor import io
from apps.common.storage import get_device_id
# fmt: off
# interface used for trezor wire protocol
iface_wire = io.WebUSB(
iface_num=0,
ep_in=0x81,
ep_out=0x01,
)
# as the iface_vcp inteface needs 3 endpoints, we cannot use it simultaneously
# with the iface_u2f inteface.
if __debug__:
# interface used for debug messages with trezor wire protocol
iface_debug = io.WebUSB(
iface_num=1,
ep_in=0x82,
ep_out=0x02,
)
# interface used for cdc/vcp console emulation (debug messages)
iface_vcp = io.VCP(
iface_num=2,
data_iface_num=3,
ep_in=0x83,
ep_out=0x03,
ep_cmd=0x84,
)
else:
# interface used for FIDO U2F HID transport
iface_u2f = io.HID(
iface_num=1,
ep_in=0x82,
ep_out=0x02,
report_desc=bytes([
0x06, 0xd0, 0xf1, # USAGE_PAGE (FIDO Alliance)
0x09, 0x01, # USAGE (U2F HID Authenticator Device)
0xa1, 0x01, # COLLECTION (Application)
0x09, 0x20, # USAGE (Input Report Data)
0x15, 0x00, # LOGICAL_MINIMUM (0)
0x26, 0xff, 0x00, # LOGICAL_MAXIMUM (255)
0x75, 0x08, # REPORT_SIZE (8)
0x95, 0x40, # REPORT_COUNT (64)
0x81, 0x02, # INPUT (Data,Var,Abs)
0x09, 0x21, # USAGE (Output Report Data)
0x15, 0x00, # LOGICAL_MINIMUM (0)
0x26, 0xff, 0x00, # LOGICAL_MAXIMUM (255)
0x75, 0x08, # REPORT_SIZE (8)
0x95, 0x40, # REPORT_COUNT (64)
0x91, 0x02, # OUTPUT (Data,Var,Abs)
0xc0, # END_COLLECTION
]),
)
bus = io.USB(
vendor_id=0x1209,
product_id=0x53C1,
release_num=0x0200,
manufacturer="SatoshiLabs",
product="TREZOR",
interface="TREZOR Interface",
serial_number=get_device_id(),
usb21_landing=False,
)
bus.add(iface_wire)
if __debug__:
bus.add(iface_debug)
bus.add(iface_vcp)
else:
bus.add(iface_u2f)