You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
573 lines
20 KiB
573 lines
20 KiB
/*
|
|
* This file is part of the Trezor project, https://trezor.io/
|
|
*
|
|
* Copyright (c) SatoshiLabs
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include STM32_HAL_H
|
|
|
|
#include "usb.h"
|
|
#include "common.h"
|
|
#include "random_delays.h"
|
|
#include "usbd_core.h"
|
|
|
|
#define USB_MAX_CONFIG_DESC_SIZE 256
|
|
#define USB_MAX_STR_SIZE 62
|
|
#define USB_MAX_STR_DESC_SIZE (USB_MAX_STR_SIZE * 2 + 2)
|
|
|
|
#if defined(USE_USB_FS)
|
|
#define USB_PHY_ID USB_PHY_FS_ID
|
|
#elif defined(USE_USB_HS) && defined(USE_USB_HS_IN_FS)
|
|
#define USB_PHY_ID USB_PHY_HS_ID
|
|
#else
|
|
#error Unable to determine proper USB_PHY_ID to use
|
|
#endif
|
|
|
|
#define USB_WINUSB_VENDOR_CODE \
|
|
'!' // arbitrary, but must be equivalent to the last character in extra
|
|
// string
|
|
#define USB_WINUSB_EXTRA_STRING \
|
|
'M', 0x00, 'S', 0x00, 'F', 0x00, 'T', 0x00, '1', 0x00, '0', 0x00, '0', 0x00, \
|
|
USB_WINUSB_VENDOR_CODE, 0x00 // MSFT100!
|
|
#define USB_WINUSB_EXTRA_STRING_INDEX 0xEE
|
|
#define USB_WINUSB_REQ_GET_COMPATIBLE_ID_FEATURE_DESCRIPTOR 0x04
|
|
#define USB_WINUSB_REQ_GET_EXTENDED_PROPERTIES_OS_FEATURE_DESCRIPTOR 0x05
|
|
|
|
#define UNCONST(X) ((uint8_t *)(X))
|
|
|
|
static usb_device_descriptor_t usb_dev_desc;
|
|
|
|
// Config descriptor
|
|
static uint8_t usb_config_buf[USB_MAX_CONFIG_DESC_SIZE]
|
|
__attribute__((aligned(4)));
|
|
static usb_config_descriptor_t *usb_config_desc =
|
|
(usb_config_descriptor_t *)(usb_config_buf);
|
|
static usb_interface_descriptor_t *usb_next_iface_desc;
|
|
|
|
// String descriptor
|
|
static uint8_t usb_str_buf[USB_MAX_STR_DESC_SIZE] __attribute__((aligned(4)));
|
|
static usb_dev_string_table_t usb_str_table;
|
|
|
|
static usb_iface_t usb_ifaces[USBD_MAX_NUM_INTERFACES];
|
|
|
|
static USBD_HandleTypeDef usb_dev_handle;
|
|
static const USBD_DescriptorsTypeDef usb_descriptors;
|
|
static const USBD_ClassTypeDef usb_class;
|
|
|
|
static secbool usb21_enabled = secfalse;
|
|
static secbool usb21_landing = secfalse;
|
|
|
|
static secbool __wur check_desc_str(const char *s) {
|
|
if (NULL == s) return secfalse;
|
|
if (strlen(s) > USB_MAX_STR_SIZE) return secfalse;
|
|
return sectrue;
|
|
}
|
|
|
|
void usb_init(const usb_dev_info_t *dev_info) {
|
|
// enable/disable USB 2.1 features
|
|
usb21_enabled = dev_info->usb21_enabled;
|
|
usb21_landing = dev_info->usb21_landing;
|
|
|
|
// Device descriptor
|
|
usb_dev_desc.bLength = sizeof(usb_device_descriptor_t);
|
|
usb_dev_desc.bDescriptorType = USB_DESC_TYPE_DEVICE;
|
|
usb_dev_desc.bcdUSB =
|
|
(sectrue == usb21_enabled) ? 0x0210 : 0x0200; // USB 2.1 or USB 2.0
|
|
usb_dev_desc.bDeviceClass = dev_info->device_class;
|
|
usb_dev_desc.bDeviceSubClass = dev_info->device_subclass;
|
|
usb_dev_desc.bDeviceProtocol = dev_info->device_protocol;
|
|
usb_dev_desc.bMaxPacketSize0 = USB_MAX_EP0_SIZE;
|
|
usb_dev_desc.idVendor = dev_info->vendor_id;
|
|
usb_dev_desc.idProduct = dev_info->product_id;
|
|
usb_dev_desc.bcdDevice = dev_info->release_num;
|
|
usb_dev_desc.iManufacturer =
|
|
USBD_IDX_MFC_STR; // Index of manufacturer string
|
|
usb_dev_desc.iProduct = USBD_IDX_PRODUCT_STR; // Index of product string
|
|
usb_dev_desc.iSerialNumber =
|
|
USBD_IDX_SERIAL_STR; // Index of serial number string
|
|
usb_dev_desc.bNumConfigurations = 1;
|
|
|
|
// String table
|
|
ensure(check_desc_str(dev_info->manufacturer), NULL);
|
|
ensure(check_desc_str(dev_info->product), NULL);
|
|
ensure(check_desc_str(dev_info->serial_number), NULL);
|
|
ensure(check_desc_str(dev_info->interface), NULL);
|
|
|
|
usb_str_table.manufacturer = dev_info->manufacturer;
|
|
usb_str_table.product = dev_info->product;
|
|
usb_str_table.serial_number = dev_info->serial_number;
|
|
usb_str_table.interface = dev_info->interface;
|
|
|
|
// Configuration descriptor
|
|
usb_config_desc->bLength = sizeof(usb_config_descriptor_t);
|
|
usb_config_desc->bDescriptorType = USB_DESC_TYPE_CONFIGURATION;
|
|
usb_config_desc->wTotalLength =
|
|
sizeof(usb_config_descriptor_t); // will be updated later via
|
|
// usb_desc_add_iface()
|
|
usb_config_desc->bNumInterfaces =
|
|
0; // will be updated later via usb_desc_add_iface()
|
|
usb_config_desc->bConfigurationValue = 0x01;
|
|
usb_config_desc->iConfiguration = 0;
|
|
usb_config_desc->bmAttributes =
|
|
0x80; // 0x80 = bus powered; 0xC0 = self powered
|
|
usb_config_desc->bMaxPower = 0x32; // Maximum Power Consumption in 2mA units
|
|
|
|
// Pointer to interface descriptor data
|
|
usb_next_iface_desc =
|
|
(usb_interface_descriptor_t *)(usb_config_buf +
|
|
usb_config_desc->wTotalLength);
|
|
|
|
ensure(sectrue *
|
|
(USBD_OK == USBD_Init(&usb_dev_handle,
|
|
(USBD_DescriptorsTypeDef *)&usb_descriptors,
|
|
USB_PHY_ID)),
|
|
NULL);
|
|
ensure(sectrue *
|
|
(USBD_OK == USBD_RegisterClass(&usb_dev_handle,
|
|
(USBD_ClassTypeDef *)&usb_class)),
|
|
NULL);
|
|
}
|
|
|
|
void usb_deinit(void) {
|
|
USBD_DeInit(&usb_dev_handle);
|
|
for (int i = 0; i < USBD_MAX_NUM_INTERFACES; i++) {
|
|
usb_ifaces[i].type = USB_IFACE_TYPE_DISABLED;
|
|
}
|
|
}
|
|
|
|
void usb_start(void) { USBD_Start(&usb_dev_handle); }
|
|
|
|
void usb_stop(void) { USBD_Stop(&usb_dev_handle); }
|
|
|
|
/*
|
|
* Utility functions for USB interfaces
|
|
*/
|
|
|
|
static usb_iface_t *usb_get_iface(uint8_t iface_num) {
|
|
if (iface_num < USBD_MAX_NUM_INTERFACES) {
|
|
return &usb_ifaces[iface_num];
|
|
} else {
|
|
return NULL; // Invalid interface number
|
|
}
|
|
}
|
|
|
|
static void *usb_desc_alloc_iface(size_t desc_len) {
|
|
if (usb_config_desc->wTotalLength + desc_len < USB_MAX_CONFIG_DESC_SIZE) {
|
|
return usb_next_iface_desc;
|
|
} else {
|
|
return NULL; // Not enough space in the descriptor
|
|
}
|
|
}
|
|
|
|
static void usb_desc_add_iface(size_t desc_len) {
|
|
usb_config_desc->bNumInterfaces++;
|
|
usb_config_desc->wTotalLength += desc_len;
|
|
usb_next_iface_desc =
|
|
(usb_interface_descriptor_t *)(usb_config_buf +
|
|
usb_config_desc->wTotalLength);
|
|
}
|
|
|
|
/*
|
|
* USB interface implementations
|
|
*/
|
|
|
|
#include "usb_hid-impl.h"
|
|
#include "usb_vcp-impl.h"
|
|
#include "usb_webusb-impl.h"
|
|
|
|
/*
|
|
* USB configuration (device & string descriptors)
|
|
*/
|
|
|
|
static uint8_t *usb_get_dev_descriptor(USBD_SpeedTypeDef speed,
|
|
uint16_t *length) {
|
|
*length = sizeof(usb_dev_desc);
|
|
return (uint8_t *)(&usb_dev_desc);
|
|
}
|
|
|
|
static uint8_t *usb_get_langid_str_descriptor(USBD_SpeedTypeDef speed,
|
|
uint16_t *length) {
|
|
static const usb_langid_descriptor_t usb_langid_str_desc = {
|
|
.bLength = USB_LEN_LANGID_STR_DESC,
|
|
.bDescriptorType = USB_DESC_TYPE_STRING,
|
|
.wData = USB_LANGID_ENGLISH_US,
|
|
};
|
|
*length = sizeof(usb_langid_str_desc);
|
|
return UNCONST(&usb_langid_str_desc);
|
|
}
|
|
|
|
static uint8_t *usb_get_manufacturer_str_descriptor(USBD_SpeedTypeDef speed,
|
|
uint16_t *length) {
|
|
USBD_GetString((uint8_t *)usb_str_table.manufacturer, usb_str_buf, length);
|
|
return usb_str_buf;
|
|
}
|
|
|
|
static uint8_t *usb_get_product_str_descriptor(USBD_SpeedTypeDef speed,
|
|
uint16_t *length) {
|
|
USBD_GetString((uint8_t *)usb_str_table.product, usb_str_buf, length);
|
|
return usb_str_buf;
|
|
}
|
|
|
|
static uint8_t *usb_get_serial_str_descriptor(USBD_SpeedTypeDef speed,
|
|
uint16_t *length) {
|
|
USBD_GetString((uint8_t *)usb_str_table.serial_number, usb_str_buf, length);
|
|
return usb_str_buf;
|
|
}
|
|
|
|
static uint8_t *usb_get_configuration_str_descriptor(USBD_SpeedTypeDef speed,
|
|
uint16_t *length) {
|
|
USBD_GetString((uint8_t *)"", usb_str_buf, length);
|
|
return usb_str_buf;
|
|
}
|
|
|
|
static uint8_t *usb_get_interface_str_descriptor(USBD_SpeedTypeDef speed,
|
|
uint16_t *length) {
|
|
USBD_GetString((uint8_t *)usb_str_table.interface, usb_str_buf, length);
|
|
return usb_str_buf;
|
|
}
|
|
|
|
static uint8_t *usb_get_bos_descriptor(USBD_SpeedTypeDef speed,
|
|
uint16_t *length) {
|
|
if (sectrue == usb21_enabled) {
|
|
static uint8_t bos[] = {
|
|
// usb_bos_descriptor {
|
|
0x05, // uint8_t bLength
|
|
USB_DESC_TYPE_BOS, // uint8_t bDescriptorType
|
|
0x1d, 0x0, // uint16_t wTotalLength
|
|
0x01, // uint8_t bNumDeviceCaps
|
|
// }
|
|
// usb_device_capability_descriptor {
|
|
0x18, // uint8_t bLength
|
|
USB_DESC_TYPE_DEVICE_CAPABILITY, // uint8_t bDescriptorType
|
|
USB_DEVICE_CAPABILITY_PLATFORM, // uint8_t bDevCapabilityType
|
|
0x00, // uint8_t bReserved
|
|
0x38, 0xb6, 0x08, 0x34, 0xa9, 0x09, 0xa0, 0x47, 0x8b, 0xfd, 0xa0, 0x76,
|
|
0x88, 0x15, 0xb6, 0x65, // uint128_t platformCompatibilityUUID
|
|
0x00, 0x01, // uint16_t bcdVersion
|
|
USB_WEBUSB_VENDOR_CODE, // uint8_t bVendorCode
|
|
USB_WEBUSB_LANDING_PAGE, // uint8_t iLandingPage
|
|
// }
|
|
};
|
|
bos[28] = (sectrue == usb21_landing) ? USB_WEBUSB_LANDING_PAGE : 0;
|
|
*length = sizeof(bos);
|
|
return UNCONST(bos);
|
|
} else {
|
|
*length = 0;
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static const USBD_DescriptorsTypeDef usb_descriptors = {
|
|
.GetDeviceDescriptor = usb_get_dev_descriptor,
|
|
.GetLangIDStrDescriptor = usb_get_langid_str_descriptor,
|
|
.GetManufacturerStrDescriptor = usb_get_manufacturer_str_descriptor,
|
|
.GetProductStrDescriptor = usb_get_product_str_descriptor,
|
|
.GetSerialStrDescriptor = usb_get_serial_str_descriptor,
|
|
.GetConfigurationStrDescriptor = usb_get_configuration_str_descriptor,
|
|
.GetInterfaceStrDescriptor = usb_get_interface_str_descriptor,
|
|
.GetBOSDescriptor = usb_get_bos_descriptor,
|
|
};
|
|
|
|
/*
|
|
* USB class (interface dispatch, configuration descriptor)
|
|
*/
|
|
|
|
static uint8_t usb_class_init(USBD_HandleTypeDef *dev, uint8_t cfg_idx) {
|
|
for (int i = 0; i < USBD_MAX_NUM_INTERFACES; i++) {
|
|
switch (usb_ifaces[i].type) {
|
|
case USB_IFACE_TYPE_HID:
|
|
usb_hid_class_init(dev, &usb_ifaces[i].hid, cfg_idx);
|
|
break;
|
|
case USB_IFACE_TYPE_VCP:
|
|
usb_vcp_class_init(dev, &usb_ifaces[i].vcp, cfg_idx);
|
|
break;
|
|
case USB_IFACE_TYPE_WEBUSB:
|
|
usb_webusb_class_init(dev, &usb_ifaces[i].webusb, cfg_idx);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return USBD_OK;
|
|
}
|
|
|
|
static uint8_t usb_class_deinit(USBD_HandleTypeDef *dev, uint8_t cfg_idx) {
|
|
for (int i = 0; i < USBD_MAX_NUM_INTERFACES; i++) {
|
|
switch (usb_ifaces[i].type) {
|
|
case USB_IFACE_TYPE_HID:
|
|
usb_hid_class_deinit(dev, &usb_ifaces[i].hid, cfg_idx);
|
|
break;
|
|
case USB_IFACE_TYPE_VCP:
|
|
usb_vcp_class_deinit(dev, &usb_ifaces[i].vcp, cfg_idx);
|
|
break;
|
|
case USB_IFACE_TYPE_WEBUSB:
|
|
usb_webusb_class_deinit(dev, &usb_ifaces[i].webusb, cfg_idx);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return USBD_OK;
|
|
}
|
|
|
|
#define USB_WEBUSB_REQ_GET_URL 0x02
|
|
#define USB_WEBUSB_DESCRIPTOR_TYPE_URL 0x03
|
|
#define USB_WEBUSB_URL_SCHEME_HTTP 0
|
|
#define USB_WEBUSB_URL_SCHEME_HTTPS 1
|
|
|
|
static uint8_t usb_class_setup(USBD_HandleTypeDef *dev,
|
|
USBD_SetupReqTypedef *req) {
|
|
if (((req->bmRequest & USB_REQ_TYPE_MASK) != USB_REQ_TYPE_CLASS) &&
|
|
((req->bmRequest & USB_REQ_TYPE_MASK) != USB_REQ_TYPE_STANDARD) &&
|
|
((req->bmRequest & USB_REQ_TYPE_MASK) != USB_REQ_TYPE_VENDOR)) {
|
|
return USBD_OK;
|
|
}
|
|
|
|
if ((req->bmRequest & USB_REQ_TYPE_MASK) == USB_REQ_TYPE_VENDOR) {
|
|
if ((req->bmRequest & USB_REQ_RECIPIENT_MASK) == USB_REQ_RECIPIENT_DEVICE) {
|
|
if (sectrue == usb21_enabled && req->bRequest == USB_WEBUSB_VENDOR_CODE) {
|
|
if (req->wIndex == USB_WEBUSB_REQ_GET_URL &&
|
|
req->wValue == USB_WEBUSB_LANDING_PAGE) {
|
|
static const char webusb_url[] = {
|
|
3 + 15, // uint8_t bLength
|
|
USB_WEBUSB_DESCRIPTOR_TYPE_URL, // uint8_t bDescriptorType
|
|
USB_WEBUSB_URL_SCHEME_HTTPS, // uint8_t bScheme
|
|
't',
|
|
'r',
|
|
'e',
|
|
'z',
|
|
'o',
|
|
'r',
|
|
'.',
|
|
'i',
|
|
'o',
|
|
'/',
|
|
's',
|
|
't',
|
|
'a',
|
|
'r',
|
|
't', // char URL[]
|
|
};
|
|
wait_random();
|
|
USBD_CtlSendData(dev, UNCONST(webusb_url),
|
|
MIN_8bits(req->wLength, sizeof(webusb_url)));
|
|
return USBD_OK;
|
|
} else {
|
|
wait_random();
|
|
USBD_CtlError(dev, req);
|
|
return USBD_FAIL;
|
|
}
|
|
} else if (sectrue == usb21_enabled &&
|
|
req->bRequest == USB_WINUSB_VENDOR_CODE) {
|
|
if (req->wIndex ==
|
|
USB_WINUSB_REQ_GET_COMPATIBLE_ID_FEATURE_DESCRIPTOR) {
|
|
static const uint8_t winusb_wcid[] = {
|
|
// header
|
|
0x28, 0x00, 0x00, 0x00, // dwLength
|
|
0x00, 0x01, // bcdVersion
|
|
0x04, 0x00, // wIndex
|
|
0x01, // bNumSections
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved
|
|
// functions
|
|
0x00, // bInterfaceNumber - HACK: we present only interface 0 as
|
|
// WinUSB
|
|
0x01, // reserved
|
|
'W', 'I', 'N', 'U', 'S', 'B', 0x00, 0x00, // compatibleId
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, // subCompatibleId
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved
|
|
};
|
|
wait_random();
|
|
USBD_CtlSendData(dev, UNCONST(winusb_wcid),
|
|
MIN_8bits(req->wLength, sizeof(winusb_wcid)));
|
|
return USBD_OK;
|
|
} else {
|
|
wait_random();
|
|
USBD_CtlError(dev, req);
|
|
return USBD_FAIL;
|
|
}
|
|
}
|
|
}
|
|
if ((req->bmRequest & USB_REQ_RECIPIENT_MASK) ==
|
|
USB_REQ_RECIPIENT_INTERFACE) {
|
|
if (sectrue == usb21_enabled && req->bRequest == USB_WINUSB_VENDOR_CODE) {
|
|
if (req->wIndex ==
|
|
USB_WINUSB_REQ_GET_EXTENDED_PROPERTIES_OS_FEATURE_DESCRIPTOR &&
|
|
(req->wValue & 0xFF) == 0) { // reply only if interface is 0
|
|
static const uint8_t winusb_guid[] = {
|
|
// header
|
|
0x92, 0x00, 0x00, 0x00, // dwLength
|
|
0x00, 0x01, // bcdVersion
|
|
0x05, 0x00, // wIndex
|
|
0x01, 0x00, // wNumFeatures
|
|
// features
|
|
0x88, 0x00, 0x00, 0x00, // dwLength
|
|
0x07, 0x00, 0x00, 0x00, // dwPropertyDataType
|
|
0x2A, 0x00, // wNameLength
|
|
'D', 0x00, 'e', 0x00, 'v', 0x00, 'i', 0x00, 'c', 0x00, 'e', 0x00,
|
|
'I', 0x00, 'n', 0x00, 't', 0x00, 'e', 0x00, 'r', 0x00, 'f', 0x00,
|
|
'a', 0x00, 'c', 0x00, 'e', 0x00, 'G', 0x00, 'U', 0x00, 'I', 0x00,
|
|
'D', 0x00, 's', 0x00, 0x00, 0x00, // .name
|
|
0x50, 0x00, 0x00, 0x00, // dwPropertyDataLength
|
|
'{', 0x00, 'c', 0x00, '6', 0x00, 'c', 0x00, '3', 0x00, '7', 0x00,
|
|
'4', 0x00, 'a', 0x00, '6', 0x00, '-', 0x00, '2', 0x00, '2', 0x00,
|
|
'8', 0x00, '5', 0x00, '-', 0x00, '4', 0x00, 'c', 0x00, 'b', 0x00,
|
|
'8', 0x00, '-', 0x00, 'a', 0x00, 'b', 0x00, '4', 0x00, '3', 0x00,
|
|
'-', 0x00, '1', 0x00, '7', 0x00, '6', 0x00, '4', 0x00, '7', 0x00,
|
|
'c', 0x00, 'e', 0x00, 'a', 0x00, '5', 0x00, '0', 0x00, '3', 0x00,
|
|
'd', 0x00, '}', 0x00, 0x00, 0x00, 0x00, 0x00, // propertyData
|
|
};
|
|
wait_random();
|
|
USBD_CtlSendData(dev, UNCONST(winusb_guid),
|
|
MIN_8bits(req->wLength, sizeof(winusb_guid)));
|
|
return USBD_OK;
|
|
} else {
|
|
wait_random();
|
|
USBD_CtlError(dev, req);
|
|
return USBD_FAIL;
|
|
}
|
|
}
|
|
}
|
|
} else if ((req->bmRequest & USB_REQ_RECIPIENT_MASK) ==
|
|
USB_REQ_RECIPIENT_INTERFACE) {
|
|
if (req->wIndex >= USBD_MAX_NUM_INTERFACES) {
|
|
wait_random();
|
|
USBD_CtlError(dev, req);
|
|
return USBD_FAIL;
|
|
}
|
|
switch (usb_ifaces[req->wIndex].type) {
|
|
case USB_IFACE_TYPE_HID:
|
|
wait_random();
|
|
return usb_hid_class_setup(dev, &usb_ifaces[req->wIndex].hid, req);
|
|
case USB_IFACE_TYPE_VCP:
|
|
wait_random();
|
|
return usb_vcp_class_setup(dev, &usb_ifaces[req->wIndex].vcp, req);
|
|
case USB_IFACE_TYPE_WEBUSB:
|
|
wait_random();
|
|
return usb_webusb_class_setup(dev, &usb_ifaces[req->wIndex].webusb,
|
|
req);
|
|
default:
|
|
wait_random();
|
|
USBD_CtlError(dev, req);
|
|
return USBD_FAIL;
|
|
}
|
|
}
|
|
return USBD_OK;
|
|
}
|
|
|
|
static uint8_t usb_class_data_in(USBD_HandleTypeDef *dev, uint8_t ep_num) {
|
|
#ifdef RDI
|
|
rdi_refresh_session_delay();
|
|
#endif
|
|
for (int i = 0; i < USBD_MAX_NUM_INTERFACES; i++) {
|
|
switch (usb_ifaces[i].type) {
|
|
case USB_IFACE_TYPE_HID:
|
|
wait_random();
|
|
usb_hid_class_data_in(dev, &usb_ifaces[i].hid, ep_num);
|
|
break;
|
|
case USB_IFACE_TYPE_VCP:
|
|
wait_random();
|
|
usb_vcp_class_data_in(dev, &usb_ifaces[i].vcp, ep_num);
|
|
break;
|
|
case USB_IFACE_TYPE_WEBUSB:
|
|
wait_random();
|
|
usb_webusb_class_data_in(dev, &usb_ifaces[i].webusb, ep_num);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return USBD_OK;
|
|
}
|
|
|
|
static uint8_t usb_class_data_out(USBD_HandleTypeDef *dev, uint8_t ep_num) {
|
|
#ifdef RDI
|
|
rdi_refresh_session_delay();
|
|
#endif
|
|
for (int i = 0; i < USBD_MAX_NUM_INTERFACES; i++) {
|
|
switch (usb_ifaces[i].type) {
|
|
case USB_IFACE_TYPE_HID:
|
|
wait_random();
|
|
usb_hid_class_data_out(dev, &usb_ifaces[i].hid, ep_num);
|
|
break;
|
|
case USB_IFACE_TYPE_VCP:
|
|
wait_random();
|
|
usb_vcp_class_data_out(dev, &usb_ifaces[i].vcp, ep_num);
|
|
break;
|
|
case USB_IFACE_TYPE_WEBUSB:
|
|
wait_random();
|
|
usb_webusb_class_data_out(dev, &usb_ifaces[i].webusb, ep_num);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return USBD_OK;
|
|
}
|
|
|
|
static uint8_t usb_class_sof(USBD_HandleTypeDef *dev) {
|
|
for (int i = 0; i < USBD_MAX_NUM_INTERFACES; i++) {
|
|
switch (usb_ifaces[i].type) {
|
|
case USB_IFACE_TYPE_VCP:
|
|
wait_random();
|
|
usb_vcp_class_sof(dev, &usb_ifaces[i].vcp);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return USBD_OK;
|
|
}
|
|
|
|
static uint8_t *usb_class_get_cfg_desc(uint16_t *length) {
|
|
*length = usb_config_desc->wTotalLength;
|
|
return usb_config_buf;
|
|
}
|
|
|
|
static uint8_t *usb_class_get_usrstr_desc(USBD_HandleTypeDef *dev,
|
|
uint8_t index, uint16_t *length) {
|
|
if (sectrue == usb21_enabled && index == USB_WINUSB_EXTRA_STRING_INDEX) {
|
|
static const uint8_t winusb_string_descriptor[] = {
|
|
0x12, // bLength
|
|
USB_DESC_TYPE_STRING, // bDescriptorType
|
|
USB_WINUSB_EXTRA_STRING // wData
|
|
};
|
|
*length = sizeof(winusb_string_descriptor);
|
|
return UNCONST(winusb_string_descriptor);
|
|
} else {
|
|
*length = 0;
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static const USBD_ClassTypeDef usb_class = {
|
|
.Init = usb_class_init,
|
|
.DeInit = usb_class_deinit,
|
|
.Setup = usb_class_setup,
|
|
.EP0_TxSent = NULL,
|
|
.EP0_RxReady = NULL,
|
|
.DataIn = usb_class_data_in,
|
|
.DataOut = usb_class_data_out,
|
|
.SOF = usb_class_sof,
|
|
.IsoINIncomplete = NULL,
|
|
.IsoOUTIncomplete = NULL,
|
|
.GetHSConfigDescriptor = usb_class_get_cfg_desc,
|
|
.GetFSConfigDescriptor = usb_class_get_cfg_desc,
|
|
.GetOtherSpeedConfigDescriptor = usb_class_get_cfg_desc,
|
|
.GetDeviceQualifierDescriptor = NULL,
|
|
.GetUsrStrDescriptor = usb_class_get_usrstr_desc,
|
|
};
|