用st的STM32_USB-Host-Device_Lib_V2.1.0\库的hid例程，原来例程只有mcu发送数据给pc，现在要增加pc发送数据给mcu，mcu发送数据给pC已成功，端点号为0x81，pc发送数据给mcu老是不成功，端点号为0x01，用bushound看，数据有发下去，mcu就是不响应。下边是我的工程，我在文件Usbd_hid_core.c增加了下边USBD_HID_DataOut,USBD_HID_DataOut,函数如下，为何进不了中断？同样库，虚拟串口例程接收pc数据进得了中断。高手帮忙分析分析，是不是哪里还要改动？
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*/
//NULL, /*DataOut*/
USBD_HID_DataOut,
NULL, /*SOF */
NULL,
NULL,
USBD_HID_GetCfgDesc,
#ifdef USB_OTG_HS_CORE
USBD_HID_GetCfgDesc, /* use same config as per FS */
#endif
};
static uint8_t USBD_HID_DataOut (void *pdev, uint8_t epnum)
{
uint16_t USB_Rx_Cnt;
uint8_t data[4]={0x11,0x22,0x33,0x44};
/* Get the received data buffer and update the counter */
USB_Rx_Cnt = ((USB_OTG_CORE_HANDLE*)pdev)->dev.out_ep[epnum].xfer_count;
GPIO_ResetBits(GPIOE, GPIO_Pin_1);
/* USB data will be immediately processed, this allow next USB traffic being
NAKed till the end of the application Xfer */
//APP_FOPS.pIf_DataRx(USB_Rx_Buffer, USB_Rx_Cnt);
DCD_EP_Tx ( pdev,HID_IN_EP,data,4);
/* Prepare Out endpoint to receive next packet */
DCD_EP_PrepareRx(pdev,
HID_OUT_EP,
(uint8_t*)(USB_Rx_Buffer),
HID_OUT_PACKET);
return USBD_OK;
}
配置描述符
__ALIGN_BEGIN static uint8_t USBD_HID_CfgDesc[USB_HID_CONFIG_DESC_SIZ] __ALIGN_END =//[USB_HID_CONFIG_DESC_SIZ] __ALIGN_END =
{
#if 1
0x09, /* bLength: Configuation Descriptor size */
USB_CONFIGURATION_DESCRIPTOR_TYPE, /* bDescriptorType: Configuration */
USB_HID_CONFIG_DESC_SIZ,
/* wTotalLength: Bytes returned */
0x00,
0x01, // 0x01, /* bNumInterfaces: 1 interface */
0x01, /* bConfigurationValue: Configuration value */
0x00, /* iConfiguration: Index of string descriptor describing
the configuration*/
0xC0, /* bmAttributes: Bus powered */
/*Bus powered: 7th bit, Self Powered: 6th bit, Remote wakeup: 5th bit, reserved: 4..0 bits */
0x32, /* MaxPower 100 mA: this current is used for detecting Vbus */
// 0x96, /* MaxPower 300 mA: this current is used for detecting Vbus */
/************** Descriptor of Custom HID 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, /* bNumEndpoints */
0x03, /* bInterfaceClass: HID */
0x00, /* bInterfaceSubClass : 1=BOOT, 0=no boot */
0x00, /* nInterfaceProtocol : 0=none, 1=keyboard, 2=mouse */
0, /* iInterface: Index of string descriptor */
/******************** Descriptor of Custom HID HID ********************/
/* 18 */
0x09, /* bLength: HID Descriptor size */
HID_DESCRIPTOR_TYPE, /* bDescriptorType: HID */
0x10, /* bcdHID: HID Class Spec release number */
0x01,
0x00, /* bCountryCode: Hardware target country */
0x01, /* bNumDescriptors: Number of HID class descriptors to follow */
0x22, /* bDescriptorType */
CUSTOMHID_SIZ_REPORT_DESC,/* wItemLength: Total length of Report descriptor */
0x00,
/******************** Descriptor of Custom HID endpoints ******************/
/* 27 */
0x07, /* bLength: Endpoint Descriptor size */
USB_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType: */
HID_IN_EP, /* bEndpointAddress: Endpoint Address (IN) */
// bit 3...0 : the endpoint number
// bit 6...4 : reserved
// bit 7 : 0(OUT), 1(IN)
0x03, /* bmAttributes: Interrupt endpoint */
0x40,//0x02, /* wMaxPacketSize: 20 Bytes max */
0x00,
// 0x10, /* bInterval: Polling Interval (32 ms) */
0xa, /* bInterval: Polling Interval (10ms) */
/* 34 */
0x07, /* bLength: Endpoint Descriptor size */
USB_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType: */
/* Endpoint descriptor type */
HID_OUT_EP, /* bEndpointAddress: */
/* Endpoint Address (OUT) */
0x03, /* bmAttributes: Interrupt endpoint */
0x40,//0x02, /* wMaxPacketSize: 20 Bytes max */
0x00,
0x10, /* bInterval: Polling Interval (16 ms) */
/* 41 */
#endif
} ;
#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 =
{
#if 1
0x05, 0x8c, /* USAGE_PAGE (ST Page) */
0x09, 0x01, /* USAGE (Demo Kit) */
0xa1, 0x01, /* COLLECTION (Application) */
/* 6 */
// The Input report
0x09,0x03, // USAGE ID - Vendor defined
0x15,0x00, // LOGICAL_MINIMUM (0)
0x26,0x00, 0xFF, // LOGICAL_MAXIMUM (255)
0x75,0x08, // REPORT_SIZE (8)
//0x95,0x16, // REPORT_COUNT (20)
0x95,0x40,
0x81,0x02, // INPUT (Data,Var,Abs)
//19
// The Output report
0x09,0x04, // USAGE ID - Vendor defined
0x15,0x00, // LOGICAL_MINIMUM (0)
0x26,0x00,0xFF, // LOGICAL_MAXIMUM (255)
0x75,0x08, // REPORT_SIZE (8)
//0x95,0x16, // REPORT_COUNT (20)
0x95,0x40, // REPORT_COUNT (64)
0x91,0x02, // OUTPUT (Data,Var,Abs)
//32
// The Feature report
/*
0x09, 0x05, // USAGE ID - Vendor defined
0x15,0x00, // LOGICAL_MINIMUM (0)
0x26,0x00,0xFF, // LOGICAL_MAXIMUM (255)
0x75,0x08, // REPORT_SIZE (8)
0x95,0x02, // REPORT_COUNT (2)
0xB1,0x02,
*/
/* 45 */
0xc0 /* END_COLLECTION */
#endif
}; |
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