请问谁做过HID自定义设备？我想把STM32F407的鼠标例程改为能收发数据的自定义HID设备，现在枚举已经成功，
能一次性发送64个字节，但是收不到数据。我只修改了usbd_hid_core.c文件里的描述符，并增加了一个USBD_HID_Data回调函数用于处理接收到的数据。
程序如下，请问谁知道怎么解决啊？？？？？
USBD_Class_cb_TypeDef USBD_HID_cb =
{
USBD_HID_Init,
USBD_HID_DeInit,
USBD_HID_Setup,
NULL, /*EP0_TxSent*/
NULL, /*EP0_RxReady*/
USBD_HID_DataIn, /*DataIn*/
USBD_HID_DataOut, /*xcs DataOut*/*********** 增加的回调函数用于处理接收到的数据
NULL, /*SOF */
NULL,
NULL,
USBD_HID_GetCfgDesc,
#ifdef USB_OTG_HS_CORE
USBD_HID_GetCfgDesc, /* use same config as per FS */
#endif
};
/* USB HID device Configuration Descriptor */
__ALIGN_BEGIN static uint8_t USBD_HID_CfgDesc[USB_HID_CONFIG_DESC_SIZ] __ALIGN_END =
{
0x09, /* bLength: Configuration Descriptor size */
USB_CONFIGURATION_DESCRIPTOR_TYPE, /* 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_INTERFACE_DESCRIPTOR_TYPE,/*bDescriptorType: Interface descriptor type*/
0x00, /*bInterfaceNumber: Number of Interface*/
0x00, /*bAlternateSetting: Alternate setting*/
0x02,//xcs 0x01, /*bNumEndpoints*/
0x03, /*bInterfaceClass: HID*/
0x00,//xcs 0x01, /*bInterfaceSubClass : 1=BOOT, 0=no boot*/
0x00,//xcs 0x02, /*nInterfaceProtocol : 0=none, 1=keyboard, 2=mouse*/
0x00, /*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?汾*/
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_ENDPOINT_DESCRIPTOR_TYPE, /*bDescriptorType:*/
HID_IN_EP, /*bEndpointAddress: Endpoint Address (IN)*/
0x03, /*bmAttributes: Interrupt endpoint*/
HID_IN_PACKET, /*wMaxPacketSize*/
0x00,
0x0A, /*bInterval: Polling Interval (10 ms)*/
/* 34 */
//xcs************************************************
0x07, /*bLength: Endpoint Descriptor size*/
USB_ENDPOINT_DESCRIPTOR_TYPE, /*bDescriptorType:*/
HID_OUT_EP, /*bEndpointAddress: Endpoint Address (IN)*/
0x03, /*bmAttributes: Interrupt endpoint*/
HID_IN_PACKET, /*wMaxPacketSize*/
0x00,
0x0A, /*bInterval: Polling Interval (10 ms)*/
/* 41 */
} ;
#ifdef USB_OTG_HS_INTERNAL_DMA_ENABLED
#if defined ( __ICCARM__ ) /*!< IAR Compiler */
#pragma data_alignment=4
#endif
/* 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,
};
#endif
#ifdef USB_OTG_HS_INTERNAL_DMA_ENABLED
#if defined ( __ICCARM__ ) /*!< IAR Compiler */
#pragma data_alignment=4
#endif
#endif /* USB_OTG_HS_INTERNAL_DMA_ENABLED */
__ALIGN_BEGIN static uint8_t HID_MOUSE_ReportDesc[HID_MOUSE_REPORT_DESC_SIZE] __ALIGN_END = //xcs
{
0x05,0x8C, //USAGE_PAGE (Vendor Defined Page 1)
0x09,0x01, //USAGE (Vendor Usage 1)
0xA1,0x01, //COLLECTION (Application)
0x09,0x03, //(Vendor Usage 1)
0x15,0x00, //LOGICAL_MINIMUM (0)
0x26,0xFF,0x00, //LOGICAL_MAXIMUM (255)
0x75,0x08, //REPORT_SIZE (8)
0x95,0x40, //REPORT_COUNT (64)
0x81,0x02, //INPUT (Data,Var,Abs)
0x09,0x04, //(Vendor Usage 1)
0x15,0x00, //LOGICAL_MINIMUM (0)
0x26,0xFF,0x00, //LOGICAL_MAXIMUM (255)
0x75,0x08, //REPORT_SIZE (8)
0x95,0x40, //REPORT_COUNT (64)
0x91,0x02, //OUTPUT (Data,Var,Abs)
0xC0 /* END_COLLECTION */
}
static uint8_t USBD_HID_DataIn (void *pdev,
uint8_t 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 */
DCD_EP_Flush(pdev, HID_IN_EP);
return USBD_OK;
}
static uint8_t USBD_HID_DataOut( void *pdev, uint8_t epnum)
{
return USBD_OK;
}
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---------------------------------
我这几天也在调试这俩函数，发现单独用是不行的，在while1里面用，不会往外发数据，似乎需要清标志位或者状态什么的，请解释一下，谢谢
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