我将库STM32_USB-FS-Device_Lib_V4.0.0移植到STM32F103ZE上，HID工作正常，但一次只能收发2个字节，于是我将描述符里面的：
0x02, /* wMaxPacketSize: 2 Bytes max */
改成：
0x40, /* wMaxPacketSize: 2 Bytes max */
希望它能一次收发64个字节，但是出现了以下错误：
（1）点击“端口2/HID发送”，发送了-1个字节，
（2）Bus Hound提示“USTS C0000004 stall pid”
请问大家，怎么做，才能一次收发64个字节？？
描述符如下：
/* USB Standard Device Descriptor */
const uint8_t CustomHID_DeviceDescriptor[CUSTOMHID_SIZ_DEVICE_DESC] =
{
0x12, /*bLength */
USB_DEVICE_DESCRIPTOR_TYPE, /*bDescriptorType*/
0x00, /*bcdUSB */
0x02,
0x00, /*bDeviceClass*/
0x00, /*bDeviceSubClass*/
0x00, /*bDeviceProtocol*/
0x40, /*bMaxPacketSize40*/
0x83, /*idVendor (0x0483)*/
0x04,
0x89,//0x50, /*idProduct = 0x5750*/
0x18,//0x57,
0x00, /*bcdDevice rel. 2.00*/
0x02,
1, /*Index of string descriptor describing
manufacturer */
2, /*Index of string descriptor describing
product*/
3, /*Index of string descriptor describing the
device serial number */
0x01 /*bNumConfigurations*/
}
; /* CustomHID_DeviceDescriptor */
/* USB Configuration Descriptor */
/* All Descriptors (Configuration, Interface, Endpoint, Class, Vendor */
const uint8_t CustomHID_ConfigDescriptor[CUSTOMHID_SIZ_CONFIG_DESC] =
{
0x09, /* bLength: Configuration Descriptor size */
USB_CONFIGURATION_DESCRIPTOR_TYPE, /* bDescriptorType: Configuration */
CUSTOMHID_SIZ_CONFIG_DESC,
/* wTotalLength: Bytes returned */
0x00,
0x01, /* bNumInterfaces: 1 interface */
0x01, /* bConfigurationValue: Configuration value */
0x00, /* iConfiguration: Index of string descriptor describing
the configuration*/
0xC0, /* bmAttributes: Self powered */
0x32, /* MaxPower 100 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: */
0x81, /* bEndpointAddress: Endpoint Address (IN) */
0x03, /* bmAttributes: Interrupt endpoint */
0x40, /* wMaxPacketSize: 2 Bytes max */
0x00,
0x20, /* bInterval: Polling Interval (32 ms) */
/* 34 */
0x07, /* bLength: Endpoint Descriptor size */
USB_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType: */
/* Endpoint descriptor type */
0x01, /* bEndpointAddress: */
/* Endpoint Address (OUT) */
0x03, /* bmAttributes: Interrupt endpoint */
0x40, /* wMaxPacketSize: 2 Bytes max */
0x00,
0x20, /* bInterval: Polling Interval (20 ms) */
/* 41 */
}
; /* CustomHID_ConfigDescriptor */
const uint8_t CustomHID_ReportDescriptor[CUSTOMHID_SIZ_REPORT_DESC] =
{
0x06,0x00,0xFF, //USAGE_PAGE (Vendor Defined Page 1)
0x09,0x01, //USAGE (Vendor Usage 1)
0xA1,0x01, //COLLECTION (Application)
0x19,0x01, //(Vendor Usage 1)
0x29,0x08, //(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)
0x19,0x01, //(Vendor Usage 1)
0x29,0x08, //(Vendor Usage 1)
0x91,0x02, //OUTPUT (Data,Var,Abs)
0xC0 /* END_COLLECTION */
}; /* CustomHID_ReportDescriptor */
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