trezorhal: vcp comments

This commit is contained in:
Jan Pochyla 2017-04-21 18:41:11 +02:00
parent 5b56c805ab
commit 64f2d6d9fb
1 changed files with 6 additions and 2 deletions

View File

@ -110,19 +110,23 @@ int usb_vcp_add(const usb_vcp_info_t *info) {
d->fheader.bFunctionLength = sizeof(usb_vcp_header_descriptor_t);
d->fheader.bDescriptorType = USB_DESC_TYPE_CS_INTERACE;
d->fheader.bDescriptorSubtype = USB_DESC_TYPE_HEADER;
d->fheader.bcdCDC = 0x1001; // Spec release number
d->fheader.bcdCDC = 0x1001; // USB Class Definitions for Communication Devices Specification release number.
// Call Management Functional Descriptor
d->fcm.bFunctionLength = sizeof(usb_vcp_cm_descriptor_t);
d->fcm.bDescriptorType = USB_DESC_TYPE_CS_INTERACE;
d->fcm.bDescriptorSubtype = USB_DESC_TYPE_CM;
d->fcm.bmCapabilities = 0x00; // D0+D1
// Device sends/receives call management information only over the Communication Class interface.
// Device does not handle call management itself.
d->fcm.bmCapabilities = 0x00;
d->fcm.bDataInterface = info->data_iface_num;
// ACM Functional Descriptor
d->facm.bFunctionLength = sizeof(usb_vcp_acm_descriptor_t);
d->facm.bDescriptorType = USB_DESC_TYPE_CS_INTERACE;
d->facm.bDescriptorSubtype = USB_DESC_TYPE_ACM;
// Device supports the request combination of Set_Line_Coding, Set_Control_Line_State,
// Get_Line_Coding, and the notification Serial_State.
d->facm.bmCapabilities = 0x02;
// Union Functional Descriptor