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usb: Begun implementing support for sending the microsoft OS descriptor set structures

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This commit is contained in:
dragonmux
2022-08-11 10:12:17 +01:00
committed by Piotr Esden-Tempski
parent 9e0dbfc137
commit 9efcb120f7
4 changed files with 59 additions and 2 deletions
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3
lib/stm32/f1/Makefile
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@@ -56,7 +56,7 @@ OBJS += mac.o mac_stm32fxx7.o
OBJS += phy.o phy_ksz80x1.o
OBJS += usb.o usb_control.o usb_standard.o usb_msc.o
OBJS += usb_hid.o usb_bos.o
OBJS += usb_hid.o usb_bos.o usb_microsoft.o
OBJS += usb_audio.o usb_cdc.o usb_midi.o
OBJS += usb_dwc_common.o usb_f107.o
OBJS += st_usbfs_core.o st_usbfs_v1.o
@@ -64,4 +64,3 @@ OBJS += st_usbfs_core.o st_usbfs_v1.o
VPATH += ../../usb:../:../../cm3:../common:../../ethernet
include ../../Makefile.include

52
lib/usb/usb_microsoft.c Normal file
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@@ -0,0 +1,52 @@
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2022 Rachel Mant <git@dragonmux.network>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libopencm3/usb/usbd.h>
#include <libopencm3/usb/microsoft.h>
#include "usb_private.h"
static enum usbd_request_return_codes microsoft_os_get_descriptor_set(usbd_device *const usbd_dev,
struct usb_setup_data *const req, uint8_t **const buf, uint16_t *const len)
{
const microsoft_os_descriptor_set_header *sets = usbd_dev->microsoft_os_descriptor_sets;
for (size_t i = 0; i < usbd_dev->num_microsoft_os_descriptor_sets; ++i) {
//
}
return USBD_REQ_NOTSUPP;
}
static enum usbd_request_return_codes microsoft_os_control_request(usbd_device *const usbd_dev,
struct usb_setup_data *const req, uint8_t **const buf, uint16_t *const len)
{
switch (req->wIndex) {
case MICROSOFT_GET_DESCRIPTOR_SET:
return microsoft_os_get_descriptor_set(usbd_dev, req, buf, len);
case MICROSOFT_SET_ALTERNATE_ENUM:
return USBD_REQ_NOTSUPP;
}
return USBD_REQ_NEXT_CALLBACK;
}
void microsoft_os_register_descriptor_sets(usbd_device *const dev,
const microsoft_os_descriptor_set_header *const sets, const uint8_t num_sets)
{
dev->microsoft_os_req_callback = microsoft_os_control_request;
dev->microsoft_os_descriptor_sets = sets;
dev->num_microsoft_os_descriptor_sets = num_sets;
}

2
lib/usb/usb_private.h
View File

@@ -79,6 +79,8 @@ struct _usbd_device {
} control_state;
usbd_microsoft_os_req_callback microsoft_os_req_callback;
const void *microsoft_os_descriptor_sets;
uint8_t num_microsoft_os_descriptor_sets;
struct user_control_callback {
usbd_control_callback cb;