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admin
2026-08-03 16:37:10 +08:00
commit ad3163cf91
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lib/main/STM32_USB_Device_Library_HAL/Class/HID/Inc/usbd_hid.h
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/**
******************************************************************************
* @file usbd_hid.h
* @author MCD Application Team
* @brief Header file for the usbd_hid_core.c file.
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2015 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under Ultimate Liberty license
* SLA0044, the "License"; You may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* www.st.com/SLA0044
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __USB_HID_H
#define __USB_HID_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "usbd_ioreq.h"
/** @addtogroup STM32_USB_DEVICE_LIBRARY
* @{
*/
/** @defgroup USBD_HID
* @brief This file is the Header file for usbd_hid.c
* @{
*/
/** @defgroup USBD_HID_Exported_Defines
* @{
*/
#define HID_EPIN_ADDR 0x83U
#define HID_EPIN_SIZE 0x08U
#define USB_HID_CONFIG_DESC_SIZ 34U
#define USB_HID_DESC_SIZ 9U
#define HID_MOUSE_REPORT_DESC_SIZE 54U
#define HID_DESCRIPTOR_TYPE 0x21U
#define HID_REPORT_DESC 0x22U
#ifndef HID_HS_BINTERVAL
#define HID_HS_BINTERVAL 0x07U
#endif /* HID_HS_BINTERVAL */
#ifndef HID_FS_BINTERVAL
#define HID_FS_BINTERVAL 0x0AU
#endif /* HID_FS_BINTERVAL */
#define HID_REQ_SET_PROTOCOL 0x0BU
#define HID_REQ_GET_PROTOCOL 0x03U
#define HID_REQ_SET_IDLE 0x0AU
#define HID_REQ_GET_IDLE 0x02U
#define HID_REQ_SET_REPORT 0x09U
#define HID_REQ_GET_REPORT 0x01U
/**
* @}
*/
/** @defgroup USBD_CORE_Exported_TypesDefinitions
* @{
*/
typedef enum
{
HID_IDLE = 0,
HID_BUSY,
} HID_StateTypeDef;
typedef struct
{
uint32_t Protocol;
uint32_t IdleState;
uint32_t AltSetting;
HID_StateTypeDef state;
} USBD_HID_HandleTypeDef;
/**
* @}
*/
/** @defgroup USBD_CORE_Exported_Macros
* @{
*/
/**
* @}
*/
/** @defgroup USBD_CORE_Exported_Variables
* @{
*/
extern USBD_ClassTypeDef USBD_HID;
#define USBD_HID_CLASS &USBD_HID
/**
* @}
*/
/** @defgroup USB_CORE_Exported_Functions
* @{
*/
uint8_t USBD_HID_SendReport(USBD_HandleTypeDef *pdev, uint8_t *report,uint16_t len);
uint32_t USBD_HID_GetPollingInterval(USBD_HandleTypeDef *pdev);
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __USB_HID_H */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
lib/main/STM32_USB_Device_Library_HAL/Class/HID/Src/usbd_hid.c
+662
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/**
******************************************************************************
* @file usbd_hid.c
* @author MCD Application Team
* @brief This file provides the HID core functions.
*
* @verbatim
*
* ===================================================================
* HID Class Description
* ===================================================================
* This module manages the HID class V1.11 following the "Device Class Definition
* for Human Interface Devices (HID) Version 1.11 Jun 27, 2001".
* This driver implements the following aspects of the specification:
* - The Boot Interface Subclass
* - The Mouse protocol
* - Usage Page : Generic Desktop
* - Usage : Joystick
* - Collection : Application
*
* @note In HS mode and when the DMA is used, all variables and data structures
* dealing with the DMA during the transaction process should be 32-bit aligned.
*
*
* @endverbatim
*
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2015 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under Ultimate Liberty license
* SLA0044, the "License"; You may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* www.st.com/SLA0044
*
******************************************************************************
*/
/* BSPDependencies
- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c"
- "stm32xxxxx_{eval}{discovery}_io.c"
EndBSPDependencies */
/* Includes ------------------------------------------------------------------*/
#include "usbd_hid.h"
#include "usbd_ctlreq.h"
/** @addtogroup STM32_USB_DEVICE_LIBRARY
* @{
*/
/** @defgroup USBD_HID
* @brief usbd core module
* @{
*/
/** @defgroup USBD_HID_Private_TypesDefinitions
* @{
*/
/**
* @}
*/
/** @defgroup USBD_HID_Private_Defines
* @{
*/
/**
* @}
*/
/** @defgroup USBD_HID_Private_Macros
* @{
*/
/**
* @}
*/
/** @defgroup USBD_HID_Private_FunctionPrototypes
* @{
*/
static uint8_t USBD_HID_Init(USBD_HandleTypeDef *pdev, uint8_t cfgidx);
static uint8_t USBD_HID_DeInit(USBD_HandleTypeDef *pdev, uint8_t cfgidx);
static uint8_t USBD_HID_Setup(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
static uint8_t USBD_HID_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum);
static uint8_t *USBD_HID_GetFSCfgDesc(uint16_t *length);
static uint8_t *USBD_HID_GetHSCfgDesc(uint16_t *length);
static uint8_t *USBD_HID_GetOtherSpeedCfgDesc(uint16_t *length);
static uint8_t *USBD_HID_GetDeviceQualifierDesc(uint16_t *length);
/**
* @}
*/
/** @defgroup USBD_HID_Private_Variables
* @{
*/
USBD_ClassTypeDef USBD_HID = {
USBD_HID_Init,
USBD_HID_DeInit,
USBD_HID_Setup,
NULL, /* EP0_TxSent */
NULL, /* EP0_RxReady */
USBD_HID_DataIn, /* DataIn */
NULL, /* DataOut */
NULL, /* SOF */
NULL,
NULL,
USBD_HID_GetHSCfgDesc,
USBD_HID_GetFSCfgDesc,
USBD_HID_GetOtherSpeedCfgDesc,
USBD_HID_GetDeviceQualifierDesc,
};
/* USB HID device FS Configuration Descriptor */
__ALIGN_BEGIN static uint8_t USBD_HID_CfgFSDesc[USB_HID_CONFIG_DESC_SIZ] __ALIGN_END = {
0x09, /* bLength: Configuration Descriptor size */
USB_DESC_TYPE_CONFIGURATION, /* bDescriptorType: Configuration */
USB_HID_CONFIG_DESC_SIZ,
/* wTotalLength: Bytes returned */
0x00,
0x01, /* bNumInterfaces: 1 interface */
0x01, /* bConfigurationValue: Configuration value */
0x00, /* iConfiguration: Index of string descriptor describing the configuration */
0xE0, /* bmAttributes: bus powered and Support Remote Wake-up */
0x32, /* MaxPower 100 mA: this current is used for detecting Vbus */
/************** Descriptor of Joystick Mouse interface ****************/
/* 09 */
0x09, /* bLength: Interface Descriptor size */
USB_DESC_TYPE_INTERFACE, /* bDescriptorType: Interface descriptor type */
0x00, /* bInterfaceNumber: Number of Interface */
0x00, /* bAlternateSetting: Alternate setting */
0x01, /* bNumEndpoints */
0x03, /* bInterfaceClass: HID */
0x01, /* bInterfaceSubClass : 1=BOOT, 0=no boot */
0x02, /* nInterfaceProtocol : 0=none, 1=keyboard, 2=mouse */
0, /* iInterface: Index of string descriptor */
/******************** Descriptor of Joystick Mouse HID ********************/
/* 18 */
0x09, /* bLength: HID Descriptor size */
HID_DESCRIPTOR_TYPE, /* bDescriptorType: HID */
0x11, /* bcdHID: HID Class Spec release number */
0x01,
0x00, /* bCountryCode: Hardware target country */
0x01, /* bNumDescriptors: Number of HID class descriptors to follow */
0x22, /* bDescriptorType */
HID_MOUSE_REPORT_DESC_SIZE, /* wItemLength: Total length of Report descriptor */
0x00,
/******************** Descriptor of Mouse endpoint ********************/
/* 27 */
0x07, /* bLength: Endpoint Descriptor size */
USB_DESC_TYPE_ENDPOINT, /* bDescriptorType:*/
HID_EPIN_ADDR, /* bEndpointAddress: Endpoint Address (IN) */
0x03, /* bmAttributes: Interrupt endpoint */
HID_EPIN_SIZE, /* wMaxPacketSize: 4 Byte max */
0x00,
HID_FS_BINTERVAL, /* bInterval: Polling Interval */
/* 34 */
};
/* USB HID device HS Configuration Descriptor */
__ALIGN_BEGIN static uint8_t USBD_HID_CfgHSDesc[USB_HID_CONFIG_DESC_SIZ] __ALIGN_END = {
0x09, /* bLength: Configuration Descriptor size */
USB_DESC_TYPE_CONFIGURATION, /* bDescriptorType: Configuration */
USB_HID_CONFIG_DESC_SIZ,
/* wTotalLength: Bytes returned */
0x00,
0x01, /* bNumInterfaces: 1 interface */
0x01, /* bConfigurationValue: Configuration value */
0x00, /* iConfiguration: Index of string descriptor describing the configuration */
0xE0, /* bmAttributes: bus powered and Support Remote Wake-up */
0x32, /* MaxPower 100 mA: this current is used for detecting Vbus */
/************** Descriptor of Joystick Mouse interface ****************/
/* 09 */
0x09, /* bLength: Interface Descriptor size */
USB_DESC_TYPE_INTERFACE, /* bDescriptorType: Interface descriptor type */
0x00, /* bInterfaceNumber: Number of Interface */
0x00, /* bAlternateSetting: Alternate setting */
0x01, /* bNumEndpoints */
0x03, /* bInterfaceClass: HID */
0x01, /* bInterfaceSubClass : 1=BOOT, 0=no boot */
0x02, /* nInterfaceProtocol : 0=none, 1=keyboard, 2=mouse */
0, /* iInterface: Index of string descriptor */
/******************** Descriptor of Joystick Mouse HID ********************/
/* 18 */
0x09, /* bLength: HID Descriptor size */
HID_DESCRIPTOR_TYPE, /* bDescriptorType: HID */
0x11, /* bcdHID: HID Class Spec release number */
0x01,
0x00, /* bCountryCode: Hardware target country */
0x01, /* bNumDescriptors: Number of HID class descriptors to follow */
0x22, /* bDescriptorType */
HID_MOUSE_REPORT_DESC_SIZE, /* wItemLength: Total length of Report descriptor */
0x00,
/******************** Descriptor of Mouse endpoint ********************/
/* 27 */
0x07, /* bLength: Endpoint Descriptor size */
USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: */
HID_EPIN_ADDR, /* bEndpointAddress: Endpoint Address (IN) */
0x03, /* bmAttributes: Interrupt endpoint */
HID_EPIN_SIZE, /* wMaxPacketSize: 4 Byte max */
0x00,
HID_HS_BINTERVAL, /* bInterval: Polling Interval */
/* 34 */
};
/* USB HID device Other Speed Configuration Descriptor */
__ALIGN_BEGIN static uint8_t USBD_HID_OtherSpeedCfgDesc[USB_HID_CONFIG_DESC_SIZ] __ALIGN_END = {
0x09, /* bLength: Configuration Descriptor size */
USB_DESC_TYPE_CONFIGURATION, /* bDescriptorType: Configuration */
USB_HID_CONFIG_DESC_SIZ,
/* wTotalLength: Bytes returned */
0x00,
0x01, /* bNumInterfaces: 1 interface */
0x01, /* bConfigurationValue: Configuration value */
0x00, /* iConfiguration: Index of string descriptor describing the configuration */
0xE0, /* bmAttributes: bus powered and Support Remote Wake-up */
0x32, /* MaxPower 100 mA: this current is used for detecting Vbus */
/************** Descriptor of Joystick Mouse interface ****************/
/* 09 */
0x09, /* bLength: Interface Descriptor size */
USB_DESC_TYPE_INTERFACE, /* bDescriptorType: Interface descriptor type */
0x00, /* bInterfaceNumber: Number of Interface */
0x00, /* bAlternateSetting: Alternate setting */
0x01, /* bNumEndpoints */
0x03, /* bInterfaceClass: HID */
0x01, /* bInterfaceSubClass : 1=BOOT, 0=no boot */
0x02, /* nInterfaceProtocol : 0=none, 1=keyboard, 2=mouse */
0, /* iInterface: Index of string descriptor */
/******************** Descriptor of Joystick Mouse HID ********************/
/* 18 */
0x09, /* bLength: HID Descriptor size */
HID_DESCRIPTOR_TYPE, /* bDescriptorType: HID */
0x11, /* bcdHID: HID Class Spec release number */
0x01,
0x00, /* bCountryCode: Hardware target country */
0x01, /* bNumDescriptors: Number of HID class descriptors to follow */
0x22, /* bDescriptorType */
HID_MOUSE_REPORT_DESC_SIZE, /* wItemLength: Total length of Report descriptor */
0x00,
/******************** Descriptor of Mouse endpoint ********************/
/* 27 */
0x07, /* bLength: Endpoint Descriptor size */
USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: */
HID_EPIN_ADDR, /* bEndpointAddress: Endpoint Address (IN) */
0x03, /* bmAttributes: Interrupt endpoint */
HID_EPIN_SIZE, /* wMaxPacketSize: 4 Byte max */
0x00,
HID_FS_BINTERVAL, /* bInterval: Polling Interval */
/* 34 */
};
/* USB HID device Configuration Descriptor */
__ALIGN_BEGIN static uint8_t USBD_HID_Desc[USB_HID_DESC_SIZ] __ALIGN_END = {
/* 18 */
0x09, /* bLength: HID Descriptor size */
HID_DESCRIPTOR_TYPE, /* bDescriptorType: HID */
0x11, /* bcdHID: HID Class Spec release number */
0x01,
0x00, /* bCountryCode: Hardware target country */
0x01, /* bNumDescriptors: Number of HID class descriptors to follow */
0x22, /* bDescriptorType */
HID_MOUSE_REPORT_DESC_SIZE, /* wItemLength: Total length of Report descriptor */
0x00,
};
/* USB Standard Device Descriptor */
__ALIGN_BEGIN static uint8_t USBD_HID_DeviceQualifierDesc[USB_LEN_DEV_QUALIFIER_DESC] __ALIGN_END = {
USB_LEN_DEV_QUALIFIER_DESC,
USB_DESC_TYPE_DEVICE_QUALIFIER,
0x00,
0x02,
0x00,
0x00,
0x00,
0x40,
0x01,
0x00,
};
__ALIGN_BEGIN static uint8_t HID_MOUSE_ReportDesc[HID_MOUSE_REPORT_DESC_SIZE] __ALIGN_END = {
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x05, // USAGE (Game Pad)
0xa1, 0x01, // COLLECTION (Application)
0xa1, 0x00, // COLLECTION (Physical)
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x30, // USAGE (X)
0x09, 0x31, // USAGE (Y)
0x09, 0x32, // USAGE (Z)
0x09, 0x33, // USAGE (Rx)
0x09, 0x35, // USAGE (Rz)
0x09, 0x34, // USAGE (Ry)
0x09, 0x36, // USAGE (Slider)
0x09, 0x37, // USAGE (Dial)
0x15, 0x81, // LOGICAL_MINIMUM (-127)
0x25, 0x7f, // LOGICAL_MAXIMUM (127)
0x75, 0x08, // REPORT_SIZE (8)
0x95, 0x08, // REPORT_COUNT (8)
0x81, 0x02, // INPUT (Data,Var,Abs)
0x05, 0x09, // USAGE_PAGE (Button)
0x19, 0x01, // USAGE_MINIMUM (Button 1)
0x29, 0x08, // USAGE_MAXIMUM (Button 8)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x95, 0x08, // REPORT_COUNT (8)
0x75, 0x01, // REPORT_SIZE (1)
0x81, 0x02, // INPUT (Data,Var,Abs)
0xc0, // END_COLLECTION
0xc0 /* END_COLLECTION */
};
/**
* @}
*/
/** @defgroup USBD_HID_Private_Functions
* @{
*/
/**
* @brief USBD_HID_Init
* Initialize the HID interface
* @param pdev: device instance
* @param cfgidx: Configuration index
* @retval status
*/
static uint8_t USBD_HID_Init(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
{
UNUSED(cfgidx);
USBD_HID_HandleTypeDef *hhid;
hhid = USBD_malloc(sizeof(USBD_HID_HandleTypeDef));
if (hhid == NULL)
{
pdev->pHID_ClassData = NULL;
return (uint8_t)USBD_EMEM;
}
pdev->pHID_ClassData = (void *)hhid;
if (pdev->dev_speed == USBD_SPEED_HIGH)
{
pdev->ep_in[HID_EPIN_ADDR & 0xFU].bInterval = HID_HS_BINTERVAL;
}
else /* LOW and FULL-speed endpoints */
{
pdev->ep_in[HID_EPIN_ADDR & 0xFU].bInterval = HID_FS_BINTERVAL;
}
/* Open EP IN */
(void)USBD_LL_OpenEP(pdev, HID_EPIN_ADDR, USBD_EP_TYPE_INTR, HID_EPIN_SIZE);
pdev->ep_in[HID_EPIN_ADDR & 0xFU].is_used = 1U;
hhid->state = HID_IDLE;
return (uint8_t)USBD_OK;
}
/**
* @brief USBD_HID_DeInit
* DeInitialize the HID layer
* @param pdev: device instance
* @param cfgidx: Configuration index
* @retval status
*/
static uint8_t USBD_HID_DeInit(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
{
UNUSED(cfgidx);
/* Close HID EPs */
(void)USBD_LL_CloseEP(pdev, HID_EPIN_ADDR);
pdev->ep_in[HID_EPIN_ADDR & 0xFU].is_used = 0U;
pdev->ep_in[HID_EPIN_ADDR & 0xFU].bInterval = 0U;
/* FRee allocated memory */
if (pdev->pHID_ClassData != NULL)
{
(void)USBD_free(pdev->pHID_ClassData);
pdev->pHID_ClassData = NULL;
}
return (uint8_t)USBD_OK;
}
/**
* @brief USBD_HID_Setup
* Handle the HID specific requests
* @param pdev: instance
* @param req: usb requests
* @retval status
*/
static uint8_t USBD_HID_Setup(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
{
USBD_HID_HandleTypeDef *hhid = (USBD_HID_HandleTypeDef *)pdev->pHID_ClassData;
USBD_StatusTypeDef ret = USBD_OK;
uint16_t len;
uint8_t *pbuf;
uint16_t status_info = 0U;
switch (req->bmRequest & USB_REQ_TYPE_MASK)
{
case USB_REQ_TYPE_CLASS :
switch (req->bRequest)
{
case HID_REQ_SET_PROTOCOL:
hhid->Protocol = (uint8_t)(req->wValue);
break;
case HID_REQ_GET_PROTOCOL:
(void)USBD_CtlSendData(pdev, (uint8_t *)&hhid->Protocol, 1U);
break;
case HID_REQ_SET_IDLE:
hhid->IdleState = (uint8_t)(req->wValue >> 8);
break;
case HID_REQ_GET_IDLE:
(void)USBD_CtlSendData(pdev, (uint8_t *)&hhid->IdleState, 1U);
break;
default:
USBD_CtlError(pdev, req);
ret = USBD_FAIL;
break;
}
break;
case USB_REQ_TYPE_STANDARD:
switch (req->bRequest)
{
case USB_REQ_GET_STATUS:
if (pdev->dev_state == USBD_STATE_CONFIGURED)
{
(void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U);
}
else
{
USBD_CtlError(pdev, req);
ret = USBD_FAIL;
}
break;
case USB_REQ_GET_DESCRIPTOR:
if ((req->wValue >> 8) == HID_REPORT_DESC)
{
len = MIN(HID_MOUSE_REPORT_DESC_SIZE, req->wLength);
pbuf = HID_MOUSE_ReportDesc;
}
else if ((req->wValue >> 8) == HID_DESCRIPTOR_TYPE)
{
pbuf = USBD_HID_Desc;
len = MIN(USB_HID_DESC_SIZ, req->wLength);
}
else
{
USBD_CtlError(pdev, req);
ret = USBD_FAIL;
break;
}
(void)USBD_CtlSendData(pdev, pbuf, len);
break;
case USB_REQ_GET_INTERFACE :
if (pdev->dev_state == USBD_STATE_CONFIGURED)
{
(void)USBD_CtlSendData(pdev, (uint8_t *)&hhid->AltSetting, 1U);
}
else
{
USBD_CtlError(pdev, req);
ret = USBD_FAIL;
}
break;
case USB_REQ_SET_INTERFACE:
if (pdev->dev_state == USBD_STATE_CONFIGURED)
{
hhid->AltSetting = (uint8_t)(req->wValue);
}
else
{
USBD_CtlError(pdev, req);
ret = USBD_FAIL;
}
break;
case USB_REQ_CLEAR_FEATURE:
break;
default:
USBD_CtlError(pdev, req);
ret = USBD_FAIL;
break;
}
break;
default:
USBD_CtlError(pdev, req);
ret = USBD_FAIL;
break;
}
return (uint8_t)ret;
}
/**
* @brief USBD_HID_SendReport
* Send HID Report
* @param pdev: device instance
* @param buff: pointer to report
* @retval status
*/
uint8_t USBD_HID_SendReport(USBD_HandleTypeDef *pdev, uint8_t *report, uint16_t len)
{
USBD_HID_HandleTypeDef *hhid = (USBD_HID_HandleTypeDef *)pdev->pHID_ClassData;
if (pdev->dev_state == USBD_STATE_CONFIGURED && hhid)
{
if (hhid->state == HID_IDLE)
{
hhid->state = HID_BUSY;
(void)USBD_LL_Transmit(pdev, HID_EPIN_ADDR, report, len);
}
}
return (uint8_t)USBD_OK;
}
/**
* @brief USBD_HID_GetPollingInterval
* return polling interval from endpoint descriptor
* @param pdev: device instance
* @retval polling interval
*/
uint32_t USBD_HID_GetPollingInterval(USBD_HandleTypeDef *pdev)
{
uint32_t polling_interval;
/* HIGH-speed endpoints */
if (pdev->dev_speed == USBD_SPEED_HIGH)
{
/* Sets the data transfer polling interval for high speed transfers.
Values between 1..16 are allowed. Values correspond to interval
of 2 ^ (bInterval-1). This option (8 ms, corresponds to HID_HS_BINTERVAL */
polling_interval = (((1U << (HID_HS_BINTERVAL - 1U))) / 8U);
}
else /* LOW and FULL-speed endpoints */
{
/* Sets the data transfer polling interval for low and full
speed transfers */
polling_interval = HID_FS_BINTERVAL;
}
return ((uint32_t)(polling_interval));
}
/**
* @brief USBD_HID_GetCfgFSDesc
* return FS configuration descriptor
* @param speed : current device speed
* @param length : pointer data length
* @retval pointer to descriptor buffer
*/
static uint8_t *USBD_HID_GetFSCfgDesc(uint16_t *length)
{
*length = (uint16_t)sizeof(USBD_HID_CfgFSDesc);
return USBD_HID_CfgFSDesc;
}
/**
* @brief USBD_HID_GetCfgHSDesc
* return HS configuration descriptor
* @param speed : current device speed
* @param length : pointer data length
* @retval pointer to descriptor buffer
*/
static uint8_t *USBD_HID_GetHSCfgDesc(uint16_t *length)
{
*length = (uint16_t)sizeof(USBD_HID_CfgHSDesc);
return USBD_HID_CfgHSDesc;
}
/**
* @brief USBD_HID_GetOtherSpeedCfgDesc
* return other speed configuration descriptor
* @param speed : current device speed
* @param length : pointer data length
* @retval pointer to descriptor buffer
*/
static uint8_t *USBD_HID_GetOtherSpeedCfgDesc(uint16_t *length)
{
*length = (uint16_t)sizeof(USBD_HID_OtherSpeedCfgDesc);
return USBD_HID_OtherSpeedCfgDesc;
}
/**
* @brief USBD_HID_DataIn
* handle data IN Stage
* @param pdev: device instance
* @param epnum: endpoint index
* @retval status
*/
static uint8_t USBD_HID_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum)
{
UNUSED(epnum);
/* Ensure that the FIFO is empty before a new transfer, this condition could
be caused by a new transfer before the end of the previous transfer */
((USBD_HID_HandleTypeDef *)pdev->pHID_ClassData)->state = HID_IDLE;
return (uint8_t)USBD_OK;
}
/**
* @brief DeviceQualifierDescriptor
* return Device Qualifier descriptor
* @param length : pointer data length
* @retval pointer to descriptor buffer
*/
static uint8_t *USBD_HID_GetDeviceQualifierDesc(uint16_t *length)
{
*length = (uint16_t)sizeof(USBD_HID_DeviceQualifierDesc);
return USBD_HID_DeviceQualifierDesc;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/