mirror of
https://gitee.com/Vancouver2017/luban-lite.git
synced 2025-12-25 05:28:55 +00:00
107 lines
3.3 KiB
C
107 lines
3.3 KiB
C
/**
|
|
* @file usbd_hub.c
|
|
* @brief
|
|
*
|
|
* Copyright (c) 2022 sakumisu
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
*/
|
|
#include "usbd_core.h"
|
|
#include "usbd_hub.h"
|
|
|
|
static struct usb_hub_descriptor hub_desc = {
|
|
.bLength = 0x09,
|
|
.bDescriptorType = HUB_DESCRIPTOR_TYPE_HUB,
|
|
.bNbrPorts = 4,
|
|
.wHubCharacteristics = HUB_CHAR_PORTIND | HUB_CHAR_TTTT_32_BITS,
|
|
.bPwrOn2PwrGood = 0x32,
|
|
.bHubContrCurrent = 0x64,
|
|
.DeviceRemovable = 0x00,
|
|
.PortPwrCtrlMask = 0xff
|
|
};
|
|
|
|
static int hub_custom_request_handler(struct usb_setup_packet *setup, uint8_t **data, uint32_t *len)
|
|
{
|
|
USBD_LOG_DBG("HUB Class Custom request: "
|
|
"bRequest 0x%02x\r\n",
|
|
setup->bRequest);
|
|
|
|
if (((setup->bmRequestType & USB_REQUEST_TYPE_MASK) == USB_REQUEST_CLASS) &&
|
|
((setup->bmRequestType & USB_REQUEST_RECIPIENT_MASK) == USB_REQUEST_RECIPIENT_DEVICE) &&
|
|
(setup->bRequest == HUB_REQUEST_GET_DESCRIPTOR)) {
|
|
uint8_t value = (uint8_t)(setup->wValue >> 8);
|
|
uint8_t intf_num = (uint8_t)setup->wIndex;
|
|
|
|
switch (value) {
|
|
case HUB_DESCRIPTOR_TYPE_HUB:
|
|
*data = (uint8_t *)&hub_desc;
|
|
*len = hub_desc.bLength;
|
|
break;
|
|
default:
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
else if (((setup->bmRequestType & USB_REQUEST_TYPE_MASK) == USB_REQUEST_CLASS) &&
|
|
((setup->bmRequestType & USB_REQUEST_RECIPIENT_MASK) == USB_REQUEST_RECIPIENT_OTHER)) {
|
|
uint8_t hub_port_feature = (uint8_t)(setup->wValue);
|
|
uint8_t hub_port = (uint8_t)setup->wIndex;
|
|
|
|
switch (setup->bRequest) {
|
|
case HUB_REQUEST_GET_STATUS:
|
|
break;
|
|
case HUB_REQUEST_CLEAR_FEATURE:
|
|
break;
|
|
case HUB_REQUEST_SET_FEATURE:
|
|
break;
|
|
default:
|
|
USBD_LOG_WRN("Unhandled HUB Class Custom bRequest 0x%02x\r\n", setup->bRequest);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static void hub_notify_handler(uint8_t event, void *arg)
|
|
{
|
|
switch (event) {
|
|
case USBD_EVENT_RESET:
|
|
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void usbd_hub_add_interface(usbd_class_t *devclass, usbd_interface_t *intf)
|
|
{
|
|
static usbd_class_t *last_class = NULL;
|
|
|
|
if (last_class != devclass) {
|
|
last_class = devclass;
|
|
usbd_class_register(devclass);
|
|
}
|
|
|
|
intf->class_handler = NULL;
|
|
intf->custom_handler = hub_custom_request_handler;
|
|
intf->vendor_handler = NULL;
|
|
intf->notify_handler = hub_notify_handler;
|
|
usbd_class_add_interface(devclass, intf);
|
|
}
|