diff options
| -rw-r--r-- | chip/stm32/usb-stream.h | 4 | ||||
| -rw-r--r-- | chip/stm32/usb_console.c | 4 | ||||
| -rw-r--r-- | include/usb.h | 4 |
3 files changed, 8 insertions, 4 deletions
diff --git a/chip/stm32/usb-stream.h b/chip/stm32/usb-stream.h index ae6735a281..92cfc4e60d 100644 --- a/chip/stm32/usb-stream.h +++ b/chip/stm32/usb-stream.h @@ -151,8 +151,8 @@ extern struct out_stream_ops const usb_stream_out_stream_ops; .bAlternateSetting = 0, \ .bNumEndpoints = 2, \ .bInterfaceClass = USB_CLASS_VENDOR_SPEC, \ - .bInterfaceSubClass = 0, \ - .bInterfaceProtocol = 0, \ + .bInterfaceSubClass = USB_SUBCLASS_GOOGLE_SERIAL, \ + .bInterfaceProtocol = USB_PROTOCOL_GOOGLE_SERIAL, \ .iInterface = 0, \ }; \ const struct usb_endpoint_descriptor \ diff --git a/chip/stm32/usb_console.c b/chip/stm32/usb_console.c index ab7244da9f..81121dfcc7 100644 --- a/chip/stm32/usb_console.c +++ b/chip/stm32/usb_console.c @@ -37,8 +37,8 @@ const struct usb_interface_descriptor USB_IFACE_DESC(USB_IFACE_CONSOLE) = { .bAlternateSetting = 0, .bNumEndpoints = 2, .bInterfaceClass = USB_CLASS_VENDOR_SPEC, - .bInterfaceSubClass = 0, - .bInterfaceProtocol = 0, + .bInterfaceSubClass = USB_SUBCLASS_GOOGLE_SERIAL, + .bInterfaceProtocol = USB_PROTOCOL_GOOGLE_SERIAL, .iInterface = 0, }; const struct usb_endpoint_descriptor USB_EP_DESC(USB_IFACE_CONSOLE, 0) = { diff --git a/include/usb.h b/include/usb.h index 98e81794ab..bf2bb8fd6a 100644 --- a/include/usb.h +++ b/include/usb.h @@ -154,6 +154,10 @@ struct usb_endpoint_descriptor { /* USB Vendor ID assigned to Google Inc. */ #define USB_VID_GOOGLE 0x18d1 +/* Google specific SubClass/Protocol assignments */ +#define USB_SUBCLASS_GOOGLE_SERIAL 0x50 +#define USB_PROTOCOL_GOOGLE_SERIAL 0x01 + /* Control requests */ /* bRequestType fields */ |