STM32自定义HID设备块传输+libusb上位机程序

#include 
#include 
#include 
#include 

#include “libusb.h“

#define VID 0x8888
#define PID 0x0088

#define edp2in 0x82
#define edp2out 0x02

int main（void）
{
    libusb_device **devs *dev;
    int ret i;
    ssize_t cnt;
    usb_pro_t usb_pro;
    struct libusb_device_handle *handle = NULL;
    libusb_context *ctx = NULL;

    ret = libusb_init（&ctx）;
    if （ret < 0）
        return -1;

    libusb_set_debug（ctx 3）;

    cnt = libusb_get_device_list（NULL &devs）;
    if （cnt < 0） {
        printf（“no usb dev on bus
“）;
        return  -1;
    }

    i = 0;
    while（（dev = devs[i++]） != NULL） {

        ret = libusb_get_device_descriptor（dev&desc）;
        if （ret < 0） {
            printf（“failed to get device descriptor“）;
            goto error;
        }

        if （（desc.idVendor == VID） && （desc.idProduct == PID）） {
            printf（“bLength: 0x%04x
“ desc.bLength）;
            printf（“bDescriptorType: 0x%04x
“ desc.bDescriptorType）;
            printf（“bcdUSB: 0x%04x
“ desc.bcdUSB）;
            printf（“bDeviceClass: 0x%04x
“ desc.bDeviceClass）;
            printf（“bDeviceSubClass: 0x%04x
“ desc.bDeviceSubClass）;
            printf（“bDeviceProtocol: 0x%04x
“ desc.bDeviceProtocol）;
            printf（“bMaxPacketSize0: 0x%04x
“ desc.bMaxPacketSize0）;
            printf（“vendor id: 0x%04x
“ desc.idVendor）;
            printf（“product id: 0x%04x
“ desc.idProduct）;
            printf（“bcdDevice: 0x%04x
“ desc.bcdDevice）;
            printf（“iManufacturer: 0x%04x
“ desc.iManufacturer）;
            printf（“iProduct: 0x%04x
“ desc.iProduct）;
            printf（“iSerialNumber: 0x%04x
“ desc.iSerialNumber）;
            printf（“bNumConfigurations: 0x%04x
“ desc.bNumConfigurations）;

        }

    }

    handle = libusb_open_device_with_vid_pid（ctx VID PID）;

    if （handle == NULL） {
        printf（“cant‘t open device
“）;
        goto error;
    } else {
        printf（“open device
“）;
    }

    libusb_free_device_list（devs 1）;

    if （libusb_kernel_driver_active（handle 0） ==1） {
        printf（“kernel driver active detach it 
“）;

        if （libusb_detach_kernel_driver（handle 0） == 0） {
            printf（“detached kernel driver
“）;
        }
        else {
            goto error;
        }
    }

    ret = libusb_claim_interface（handle 0）;
    if （ret < 0） {
        printf（“can‘t claim interface
“）;
        goto error;
    } else {
        printf（“claimed interface
“）;
    }

    char data[64];
    int actual_len = 0;
    int didi = 1000;
    for （int i = 0; i< 1000; i++） {
        memset（data 0 sizeof（data））;
        /*  receive data from device  */
        /*
        ret = libusb_bulk_transfer（handle edp2in data 64 &actual_len 0）;

        if （actual_len = 0） {
            printf（“received nothing
“）;

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2016-04-02 11:20  libsub_app
     文件        3584  2016-04-02 12:44  libsub_appmain.c
     文件         469  2016-04-02 12:43  libsub_appmakefile
     目录           0  2016-04-02 11:21  stm32usb_bulk_transfer
     目录           0  2016-04-02 11:21  stm32usb_bulk_transferLibraries
     目录           0  2016-04-02 11:21  stm32usb_bulk_transferLibrariesCMSIS
     文件       51511  2012-03-22 22:44  stm32usb_bulk_transferLibrariesCMSISCMSIS END USER LICENCE AGREEMENT.pdf
     目录           0  2016-04-02 11:21  stm32usb_bulk_transferLibrariesCMSISDevice
     目录           0  2016-04-02 11:21  stm32usb_bulk_transferLibrariesCMSISDeviceST
     目录           0  2016-04-02 11:21  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10x
     目录           0  2016-04-02 11:21  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xInclude
     文件      637870  2012-03-22 22:44  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xIncludestm32f10x.h
     文件        2220  2012-03-22 22:44  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xIncludesystem_stm32f10x.h
     文件       34574  2012-03-22 22:44  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xRelease_Notes.html
     目录           0  2016-04-02 11:21  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xSource
     目录           0  2016-04-02 11:21  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xSourceTemplates
     目录           0  2016-04-02 11:21  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xSourceTemplatesTASKING
     文件        3675  2012-03-22 22:44  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xSourceTemplatesTASKINGcstart_thumb2.asm
     目录           0  2016-04-02 11:21  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xSourceTemplatesTrueSTUDIO
     文件       12739  2012-03-22 22:44  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xSourceTemplatesTrueSTUDIOstartup_stm32f10x_cl.s
     文件       12727  2012-03-22 22:44  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xSourceTemplatesTrueSTUDIOstartup_stm32f10x_hd.s
     文件       12374  2012-03-22 22:44  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xSourceTemplatesTrueSTUDIOstartup_stm32f10x_hd_vl.s
     文件        9961  2012-03-22 22:44  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xSourceTemplatesTrueSTUDIOstartup_stm32f10x_ld.s
     文件       10410  2012-03-22 22:44  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xSourceTemplatesTrueSTUDIOstartup_stm32f10x_ld_vl.s
     文件       10410  2012-03-22 22:44  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xSourceTemplatesTrueSTUDIOstartup_stm32f10x_md.s
     文件       10892  2012-03-22 22:44  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xSourceTemplatesTrueSTUDIOstartup_stm32f10x_md_vl.s
     文件       13387  2012-03-22 22:44  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xSourceTemplatesTrueSTUDIOstartup_stm32f10x_xl.s
     目录           0  2016-04-02 11:21  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xSourceTemplatesarm
     文件       15896  2012-03-22 22:44  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xSourceTemplatesarmstartup_stm32f10x_cl.s
     文件       15633  2012-03-22 22:44  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xSourceTemplatesarmstartup_stm32f10x_hd.s
     文件       15822  2012-03-22 22:44  stm32usb_bulk_transferLibrariesCMSISDeviceSTSTM32F10xSourceTemplatesarmstartup_stm32f10x_hd_vl.s
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