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  1. #include <stdio.h>
  2.  
  3. #include <string.h>
  4.  
  5. #include <sys/types.h>
  6.  
  7. #include <libusb-1.0.h>
  8.  
  9.  
  10.  
  11.  
  12.  
  13. struct libusb_device * find_devs(struct libusb_device **devs, uint16_t ivendor);
  14.  
  15. void list_devs(struct libusb_device **devs);
  16.  
  17. void fGet_device_status(struct libusb_device *adevice, struct libusb_device_handle *adevice_handle);
  18.  
  19.  
  20.  
  21. int main (int argc,char **argv)
  22.  
  23. {
  24.  
  25.     //先宣告Device Handle 與Device Struct
  26.  
  27.     struct libusb_device_handle *iPod_device_handle;
  28.  
  29.     struct libusb_device *iPod_device;
  30.  
  31.  
  32.  
  33.     int open_status=-1;
  34.  
  35.     int func_status=-1;
  36.  
  37.     int intf_status=-1;
  38.  
  39.     int interface;
  40.  
  41.  
  42.  
  43.     unsigned char send_data=0xff;
  44.  
  45.     unsigned char receive_data=0;
  46.  
  47.     unsigned char CtrlOut;
  48.  
  49.     unsigned char CtrlIn;
  50.  
  51.  
  52.  
  53.     libusb_device **devs;
  54.  
  55.     ssize_t cnt;
  56.  
  57.     unsigned char data[500];
  58.  
  59.     int actual_length=0;
  60.  
  61.     int r;
  62.  
  63.  
  64.  
  65.     int i=0,ack=0;
  66.  
  67.     int TotalConfig=-1,LockConfig=-1;
  68.  
  69.     int TotalInter=-1,LockInter=-1;
  70.  
  71.  
  72.  
  73.     char mailo[64];
  74.  
  75.  
  76.  
  77.  
  78.  
  79.  
  80.  
  81.  
  82.  
  83.     //USB初始化動作,設置訊息等級
  84.  
  85.     {
  86.  
  87.         ack=libusb_init(NULL);
  88.  
  89.         if(ack==0)
  90.  
  91.             printf("(1)Init....................Done\r\n");
  92.  
  93.         else
  94.  
  95.             printf("(1)Init....................Error(%d)\r\n",ack);
  96.  
  97.         libusb_set_debug(NULL,3);
  98.  
  99.     }
  100.  
  101.  
  102.  
  103.     //回傳連接USB的device個數, 並把資料放到第二個參數指標內
  104.  
  105.     {
  106.  
  107.         ack=libusb_get_device_list(NULL, &devs);
  108.  
  109.         if(ack>=0)
  110.  
  111.             printf("(2)Got Devices=%d...........Done\r\n",ack);
  112.  
  113.         else
  114.  
  115.         {
  116.  
  117.             printf("(2)Got Devices.............Error(%d)\r\n",ack);
  118.  
  119.             return (int) cnt;
  120.  
  121.         }
  122.  
  123.     }
  124.  
  125.  
  126.  
  127.     //因為libusb_device是個lib沒有釋出結構的指標, 必須換成libusb_device_descriptor這個有定義的東西秀出來
  128.  
  129.     list_devs(devs);
  130.  
  131.  
  132.  
  133.     //比對VID碼
  134.  
  135.     {
  136.  
  137.         //Sicon USB:    0x0457
  138.  
  139.         //RS232 bard:   0x067b
  140.  
  141.         iPod_device=find_devs(devs, 0x067b);
  142.  
  143.         if(iPod_device>0)
  144.  
  145.             printf("(3)Got Apple...............Done\r\n");
  146.  
  147.         else
  148.  
  149.             printf("(3)Got Apple...............Error(%d)\r\n",ack);
  150.  
  151.     }
  152.  
  153.  
  154.  
  155.     if(iPod_device>0)
  156.  
  157.     {
  158.  
  159.         //這裡是使用libusb_device指標打開, 並且第二個參數是拿來回傳存放結構的指標
  160.  
  161.         {
  162.  
  163.             open_status=libusb_open(iPod_device, &iPod_device_handle);
  164.  
  165.             if(open_status==0)
  166.  
  167.                 printf("(4)Open Device.............Done\r\n",ack);
  168.  
  169.             else
  170.  
  171.                 printf("(4)Open Device.............Error(%d)\r\n",ack);
  172.  
  173.         }
  174.  
  175.  
  176.  
  177.         if(open_status==0)//success
  178.  
  179.         {
  180.  
  181.             //讀取目前config數量
  182.  
  183.             {
  184.  
  185.                 ack=libusb_control_transfer
  186.  
  187.                         (iPod_device_handle,
  188.  
  189.                          LIBUSB_ENDPOINT_IN|LIBUSB_RECIPIENT_DEVICE,
  190.  
  191.                          LIBUSB_REQUEST_GET_DESCRIPTOR,
  192.  
  193.                          LIBUSB_DT_DEVICE<<8|0,
  194.  
  195.                          0,
  196.  
  197.                          data,
  198.  
  199.                          500,
  200.  
  201.                          1000
  202.  
  203.                         );
  204.  
  205.                 TotalConfig=data[17];
  206.  
  207.                 if(ack==18)
  208.  
  209.                     printf("(5)Total Config=%d..........Done\r\n",TotalConfig);
  210.  
  211.                 else
  212.  
  213.                     printf("(5)Total Config............Error(%d)\r\n",ack);
  214.  
  215.  
  216.  
  217.             }
  218.  
  219.  
  220.  
  221.             //偵測OS是否占用目前鎖定config裡的interface
  222.  
  223.             {
  224.  
  225.                 //這裡的config從1開始算, 跟control_transfer的偏移量不同
  226.  
  227.                 ack=libusb_get_configuration(iPod_device_handle, &LockConfig);
  228.  
  229.                 if(ack==0)
  230.  
  231.                     printf("(5)Lock Config=%d...........Done\r\n",LockConfig);
  232.  
  233.                 else
  234.  
  235.                     printf("(5)Lock Config.............Error(%d)\r\n",ack);
  236.  
  237.  
  238.  
  239.  
  240.  
  241.                 ack=libusb_control_transfer
  242.  
  243.                         (iPod_device_handle,
  244.  
  245.                          LIBUSB_ENDPOINT_IN|LIBUSB_RECIPIENT_DEVICE,
  246.  
  247.                          LIBUSB_REQUEST_GET_DESCRIPTOR,
  248.  
  249.                          LIBUSB_DT_CONFIG<<8|(LockConfig-1),
  250.  
  251.                          0,
  252.  
  253.                          data,
  254.  
  255.                          500,
  256.  
  257.                          1000
  258.  
  259.                         );
  260.  
  261.                 TotalInter=data[4];
  262.  
  263.                 printf("(6)Total Interface=%d.......Done\r\n",TotalInter);
  264.  
  265.  
  266.  
  267.                 for(i=0;i<TotalInter;i++)
  268.  
  269.                 {
  270.  
  271.                     ack=libusb_kernel_driver_active(iPod_device_handle,i);
  272.  
  273.                     printf("(6)OS toke Interface%d......Done(%d)\r\n",i,ack);
  274.  
  275.                     if(ack==1)
  276.  
  277.                     {   //關閉OS對這interface的使用
  278.  
  279.                         func_status=libusb_detach_kernel_driver(iPod_device_handle, i);
  280.  
  281.                         LockInter=i;
  282.  
  283.                     }
  284.  
  285.                 }
  286.  
  287.             }
  288.  
  289.  
  290.  
  291.             //設定這個configration為alive
  292.  
  293.             {
  294.  
  295.                 i=LockConfig;
  296.  
  297.                 ack=libusb_set_configuration(iPod_device_handle,i);
  298.  
  299.                 if(ack==0)
  300.  
  301.                     printf("(7)Set LockConfig=%d........Done\r\n",i);
  302.  
  303.                 else
  304.  
  305.                     printf("(7)Set LockConfig..........Error(%d)\r\n",ack);
  306.  
  307.             }
  308.  
  309.  
  310.  
  311.             //申請這個介面為alive
  312.  
  313.             if(LockInter!=-1)
  314.  
  315.             {
  316.  
  317.                 i=LockInter;
  318.  
  319.                 intf_status=libusb_claim_interface(iPod_device_handle,i);
  320.  
  321.                 if(intf_status==0)
  322.  
  323.                     printf("(7)Set LockInter=%d.........Done\r\n",i);
  324.  
  325.                 else
  326.  
  327.                     printf("(7)Set LockInter...........Error(%d)\r\n",ack);
  328.  
  329.             }
  330.  
  331.  
  332.  
  333.             memset(data,0x00,sizeof(data));
  334.  
  335.             strcpy(data,"cd //home");
  336.  
  337.             data[8]=0xD;
  338.  
  339.  
  340.  
  341.             ack=libusb_bulk_transfer
  342.  
  343.                     (iPod_device_handle,
  344.  
  345.                      2,
  346.  
  347.                      data,
  348.  
  349.                      9,
  350.  
  351.                      &actual_length
  352.  
  353.                      ,1000
  354.  
  355.                      );
  356.  
  357.             printf("ack=%d,data tarnslen=%d\r\n",ack,actual_length);
  358.  
  359.         }
  360.  
  361.         else
  362.  
  363.             return -1;
  364.  
  365.     }
  366.  
  367.  
  368.  
  369.  
  370.  
  371.     libusb_free_device_list(devs, 1);
  372.  
  373.  
  374.  
  375.  
  376.  
  377.     if(intf_status==0)
  378.  
  379.     {
  380.  
  381.         func_status = libusb_release_interface(iPod_device_handle, interface);
  382.  
  383.         printf("release_interface %d status=%d\n",interface,func_status);
  384.  
  385.     }
  386.  
  387.  
  388.  
  389.     if(open_status==0)
  390.  
  391.     {
  392.  
  393.         libusb_close(iPod_device_handle);
  394.  
  395.         printf("close_handle\n");
  396.  
  397.  
  398.  
  399.     }
  400.  
  401.  
  402.  
  403.     libusb_exit(NULL);
  404.  
  405.  
  406.  
  407.  
  408.  
  409. }
  410.  
  411.  
  412.  
  413. void fGet_device_status(struct libusb_device *dev, struct libusb_device_handle *dev_handle)
  414.  
  415. {
  416.  
  417.     int r;
  418.  
  419.     struct libusb_device_descriptor desc;
  420.  
  421.     struct libusb_config_descriptor *config,*config2,*config3;
  422.  
  423.     int index;
  424.  
  425.     unsigned char atempstring[200];
  426.  
  427.     int i;
  428.  
  429.  
  430.  
  431.     r = libusb_get_device_descriptor(dev, &desc);
  432.  
  433.     printf("device_descriptor status=%d\n",r);
  434.  
  435.  
  436.  
  437.     r = libusb_get_active_config_descriptor(dev, &config);
  438.  
  439.     printf("get_active_config_descriptor status=%d\n",r);
  440.  
  441.  
  442.  
  443.     index=0;
  444.  
  445.     r = libusb_get_config_descriptor(dev, index, &config2);
  446.  
  447.     printf("get_config_descriptor %d status=%d\n", index, r);
  448.  
  449.  
  450.  
  451.     index=1;
  452.  
  453.     r = libusb_get_config_descriptor_by_value(dev, index, &config3);
  454.  
  455.     printf("get_config_descriptor_byValue %d status=%d\n", index, r);
  456.  
  457.  
  458.  
  459.     for(i=1;i<5;i++)
  460.  
  461.     {
  462.  
  463.         memset(atempstring, 0, 200);
  464.  
  465.         r=libusb_get_string_descriptor_ascii(dev_handle, i, atempstring, 200 );
  466.  
  467.         printf("get_cstring_descriptor %d _ascii \"%s\" len=%d\n", i, atempstring, r);
  468.  
  469.     }
  470.  
  471.  
  472.  
  473.     for(i=1;i<5;i++)
  474.  
  475.     {
  476.  
  477.         memset(atempstring, 0, 200);
  478.  
  479.         r=libusb_get_descriptor(dev_handle, LIBUSB_DT_DEVICE, i, atempstring, 200 );
  480.  
  481.         printf("get_cstring_descriptor %d len=%d\n", i, r);
  482.  
  483.     }
  484.  
  485.  
  486.  
  487.     for(i=1;i<5;i++)
  488.  
  489.     {
  490.  
  491.         memset(atempstring, 0, 200);
  492.  
  493.         r=libusb_get_descriptor(dev_handle, LIBUSB_DT_INTERFACE, i, atempstring, 200 );
  494.  
  495.         printf("get_cstring_descriptor %d len=%d\n", i, r);
  496.  
  497.     }
  498.  
  499.  
  500.  
  501.     libusb_free_config_descriptor(config);
  502.  
  503.     printf("free_config_descriptor");
  504.  
  505.     libusb_free_config_descriptor(config2);
  506.  
  507.     printf("free_config_descriptor");
  508.  
  509.     libusb_free_config_descriptor(config3);
  510.  
  511.     printf("free_config_descriptor");
  512.  
  513.     return;
  514.  
  515. }
  516.  
  517.  
  518.  
  519. struct libusb_device * find_devs(struct libusb_device **devs, uint16_t ivendor)
  520.  
  521. {
  522.  
  523.     struct libusb_device *dev;
  524.  
  525.     struct libusb_device_descriptor desc;
  526.  
  527.     int i=0,r=0;
  528.  
  529.  
  530.  
  531.     while((dev=devs[i++])!=NULL)
  532.  
  533.     {
  534.  
  535.         r=libusb_get_device_descriptor(dev, &desc);
  536.  
  537.         if(r < 0)
  538.  
  539.         {
  540.  
  541.             fprintf(stderr, "failed to get device descriptor");
  542.  
  543.         }
  544.  
  545.         else
  546.  
  547.         {
  548.  
  549.             if(desc.idVendor==ivendor)
  550.  
  551.                 return dev;
  552.  
  553.         }
  554.  
  555.     }
  556.  
  557.     return 0;
  558.  
  559. }
  560.  
  561.  
  562.  
  563. void list_devs(struct libusb_device **devs)
  564.  
  565. {
  566.  
  567.     struct libusb_device *dev;
  568.  
  569.     struct libusb_device_descriptor desc;
  570.  
  571.     int i=0,r=0;
  572.  
  573.  
  574.  
  575.     while((dev=devs[i++])!=NULL)
  576.  
  577.     {
  578.  
  579.         r=libusb_get_device_descriptor(dev, &desc);
  580.  
  581.         if(r<0)
  582.  
  583.         {
  584.  
  585.             fprintf(stderr, "failed to get device descriptor");
  586.  
  587.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cpp:7:24: fatal error: libusb-1.0.h: No such file or directory
compilation terminated.
stdout 
Standard output is empty
https://ideone.com/EacJyJ
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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