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configurable usb device version and max power

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This commit is contained in:
Maxim Devaev
2022-04-17 22:25:56 +03:00
parent f0b5c1ebba
commit 95928ea4d5
2 changed files with 14 additions and 8 deletions
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20
kvmd/apps/otg/__init__.py
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@@ -212,16 +212,20 @@ def _cmd_start(config: Section) -> None: # pylint: disable=too-many-statements
_write(join(gadget_path, "idVendor"), f"0x{config.otg.vendor_id:04X}")
_write(join(gadget_path, "idProduct"), f"0x{config.otg.product_id:04X}")
_write(join(gadget_path, "bcdUSB"), f"0x{config.otg.usb_version:04X}")
# bcdDevice should be incremented any time there are breaking changes
# to this script so that the host OS sees it as a new device
# and re-enumerates everything rather than relying on cached values.
if config.otg.devices.ethernet.enabled and config.otg.devices.ethernet.driver == "ncm":
_write(join(gadget_path, "bcdDevice"), "0x0102")
elif config.otg.devices.ethernet.enabled and config.otg.devices.ethernet.driver == "rndis":
_write(join(gadget_path, "bcdDevice"), "0x0101")
else:
_write(join(gadget_path, "bcdDevice"), "0x0100")
_write(join(gadget_path, "bcdUSB"), f"0x{config.otg.usb_version:04X}")
device_version = config.otg.device_version
if device_version < 0:
device_version = 0x0100
if config.otg.devices.ethernet.enabled:
if config.otg.devices.ethernet.driver == "ncm":
device_version = 0x0102
elif config.otg.devices.ethernet.driver == "rndis":
device_version = 0x0101
_write(join(gadget_path, "bcdDevice"), f"0x{device_version:04X}")
lang_path = join(gadget_path, "strings/0x409")
_mkdir(lang_path)
@@ -233,7 +237,7 @@ def _cmd_start(config: Section) -> None: # pylint: disable=too-many-statements
_mkdir(profile_path)
_mkdir(join(profile_path, "strings/0x409"))
_write(join(profile_path, "strings/0x409/configuration"), f"Config 1: {config.otg.config}")
_write(join(profile_path, "MaxPower"), "250")
_write(join(profile_path, "MaxPower"), str(config.otg.max_power))
if config.otg.remote_wakeup:
# XXX: Should we use MaxPower=100 with Remote Wakeup?
_write(join(profile_path, "bmAttributes"), "0xA0")