{"id":1119,"date":"2021-11-29T17:17:43","date_gmt":"2021-11-29T09:17:43","guid":{"rendered":"http:\/\/www.max-shu.com\/blog\/?p=1119"},"modified":"2021-11-29T17:17:43","modified_gmt":"2021-11-29T09:17:43","slug":"%e4%b8%a4%e4%b8%aaandroid%e8%ae%be%e5%a4%87%e9%97%b4%e5%bb%ba%e7%ab%8b%e9%85%8d%e4%bb%b6%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"http:\/\/www.max-shu.com\/blog\/?p=1119","title":{"rendered":"\u4e24\u4e2aAndroid\u8bbe\u5907\u95f4\u5efa\u7acb\u914d\u4ef6\u6a21\u5f0f"},"content":{"rendered":"

Android\u914d\u4ef6\u6a21\u5f0f\u7b80\u4ecb\uff1a<\/h3>\n
\u00a0\u00a0 \u00a0\u5982\u4e0b\u56fe\u6240\u793a\uff0cAndroid\u8bbe\u5907\u6bd4\u5982\u624b\u673a\u4f5c\u4e3aUSB\u00a0device\u65b9\uff0c\u914d\u4ef6\u53ef\u4ee5\u662f\u7535\u8111\u4e5f\u53ef\u4ee5\u662fandroid\u8bbe\u5907\u4f5c\u4e3aUSB\u00a0host\u65b9\uff08\u5fc5\u987b\u80fd\u63d0\u4f9b500ma\u76845v\u4f9b\u7535\uff09\u3002\u6ce8\u610f\u914d\u4ef6\u548c\u914d\u4ef6\u6a21\u5f0f\u7684\u533a\u522b\uff0c\u914d\u4ef6\u662f\u4f5c\u4e3ahost\u6765\u8fde\u63a5android\u8bbe\u5907\uff0c\u914d\u4ef6\u6a21\u5f0f\u662f\u6307android\u00a0device\u8bbe\u5907\u88abhost\u8bbe\u7f6e\u6210\u4e86\u914d\u4ef6\u6a21\u5f0f\u3002<\/div>\n
\"\"<\/a><\/div>\n
<\/div>\n

\u5efa\u7acb\u914d\u4ef6\u6a21\u5f0f\u7684\u8fc7\u7a0b\uff1a<\/h3>\n

\"\"<\/a><\/p>\n

    \n
  1. \n
    \u914d\u4ef6\u901a\u8fc7USB\u9a71\u52a8\u7684\u63a7\u5236\u901a\u9053\uff080\u901a\u9053\uff0c\u7aef\u70b90\uff09\u83b7\u53d6\u624b\u673a\u7684VID\u548cPID\u3002<\/div>\n<\/li>\n
  2. \n
    \u914d\u4ef6\u5206\u6790\u83b7\u53d6\u7684vendor\u00a0id\u662f\u5426\u4e3a0x18d1\uff0c\u4ee5\u53caproduct\u00a0id\u662f\u5426\u4e3a0x2D01,0x2D02,0x2D03,0x2D04,0x2D05\u3002\u5982\u679c\u5747\u7b26\u5408\uff0c\u5219\u8bf4\u660e\u624b\u673a\u73b0\u5728\u5df2\u7ecf\u662f\u914d\u4ef6\u6a21\u5f0f\uff0c\u53ef\u4ee5\u6309\u7167\u914d\u4ef6\u6a21\u5f0f\u7684\u8981\u6c42\u76f4\u63a5\u91cd\u65b0\u914d\u7f6eUSB\u7aef\u70b9\u548c\u63a5\u53e3\u3002\u5426\u5219\u542f\u52a8\u5c1d\u8bd5\u8fdb\u5165\u914d\u4ef6\u6a21\u5f0f\u6d41\u7a0b\u3002<\/div>\n<\/li>\n
  3. \n
    \u786e\u5b9a\u624b\u673a\u5df2\u7ecf\u8fdb\u5165\u914d\u4ef6\u6a21\u5f0f\uff0c\u91cd\u65b0\u679a\u4e3eUSB\u8bbe\u5907\uff0c\u624b\u673a\u91cd\u65b0\u8fdb\u884cUSB\u534f\u5546\u3002<\/div>\n<\/li>\n
  4. \n
    \u6309\u7167\u914d\u4ef6\u6a21\u5f0f\u91cd\u65b0\u914d\u7f6eUSB\u7aef\u70b9\u548c\u63a5\u53e3\uff0c\u5efa\u7acb\u914d\u4ef6\u6a21\u5f0f\u7684\u6570\u636e\u901a\u9053\u3002<\/div>\n<\/li>\n<\/ol>\n

    \u5c1d\u8bd5\u542f\u52a8\u914d\u4ef6\u4ea4\u4e92\u6a21\u5f0f\u6d41\u7a0b\uff1a<\/h3>\n

    \"\"<\/a><\/p>\n

      \n
    1. \n
      \u914d\u4ef6\u53d1\u9001\u5e8f\u53f751\u7684USB\u8bf7\u6c42\u62a5\u6587\uff0c\u624b\u673a\u6536\u5230\u540e\u67e5\u8be2\u81ea\u5df1\u7684AOA\u534f\u8bae\u7248\u672c\uff0c\u53d1\u9001\u54cd\u5e94\u62a5\u6587\u7ed9\u914d\u4ef6\u3002<\/div>\n<\/li>\n
    2. \n
      \u914d\u4ef6\u6821\u9a8c\u534f\u8bae\u7248\u672c\u53f7\uff0c\u76ee\u524d\u4e3a1\u62162\uff0c\u5176\u4ed6\u7684\u5747\u4e0d\u652f\u6301\u3002<\/div>\n<\/li>\n
    3. \n
      \u914d\u4ef6\u53d1\u9001\u5e8f\u53f752\u7684USB\u8bf7\u6c42\u62a5\u6587\uff0c\u901a\u8fc7Index\u5b57\u6bb5\u643a\u5e26\u914d\u4ef6\u81ea\u8eab\u4fe1\u606f\uff0c\u5305\u62ec\u5236\u9020\u5546\u3001\u578b\u53f7\u53ca\u7248\u672c\u3001\u8bbe\u5907\u63cf\u8ff0\u3001\u5e8f\u5217\u53f7\u3001URI\u7b49\uff0c\u624b\u673a\u6839\u636e\u8fd9\u4e9b\u4fe1\u606f\u542f\u52a8\u54cd\u5e94\u7684APP\u3002<\/div>\n<\/li>\n
    4. \n
      \u914d\u4ef6\u53d1\u9001\u5e8f\u53f753\u7684USB\u8bf7\u6c42\u62a5\u6587\uff0c\u5207\u6362USB\u6a21\u5f0f\uff0c\u4e3b\u8981\u662f\u6839\u636e\u5207\u6362VID\/PID\u3002<\/div>\n<\/li>\n
    5. \n
      \u91cd\u65b0\u679a\u4e3eUSB\u8bbe\u5907\uff0c\u51c6\u5907\u5efa\u7acbAOA\u6570\u636e\u901a\u9053\u3002<\/div>\n<\/li>\n<\/ol>\n

      AOA\u8bbe\u5907\u7684\u63e1\u624b\u8fc7\u7a0b\uff1a<\/h3>\n
      \u00a0 \u00a0 \u7edd\u5927\u591a\u6570Android\u8bbe\u5907\uff0c\u5728\u7f3a\u7701\u60c5\u51b5\u4e0b\u90fd\u4e0d\u6302\u8f7dAccessory\u9a71\u52a8\uff0c\u5728Accessory\u548cAndroid\u8bbe\u5907\u5efa\u7acbUSB\u8fde\u63a5\u65f6\uff1bAccessory\u4f1a\u901a\u8fc7\u63e1\u624b\u534f\u8bae\u67e5\u8be2\u8be5\u8bbe\u5907\u662f\u5426\u4e3aandroid\u8bbe\u5907\u4e14\u5177\u6709AOA\u652f\u6301\uff0c\u5982\u679c\u83b7\u5f97\u6b63\u786e\u5e94\u7b54\uff0cAccessory\u4f1a\u5411Adnroid\u8bbe\u5907\u53d1\u51fa\u5207\u6362\u5230AOA\u6a21\u5f0f\u7684\u8bf7\u6c42\uff0cAndroid\u8bbe\u5907\u4f1a\u6267\u884c\u8be5\u8bf7\u6c42\uff0c\u5c06USB\u5207\u6362\u6210AOA\u6a21\u5f0f\uff1b\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0cUSB\u8fde\u63a5\u4f1a\u51fa\u73b0\u4e00\u6b21\u903b\u8f91\u63d2\u62d4\uff0cUSB host\u4e00\u7aef\u4f1a\u91cd\u65b0\u679a\u4e3e\u8bbe\u5907\u3002<\/div>\n
      \u00a0 \u00a0 \u5728\u63e1\u624b\u8fc7\u7a0b\u4e2d\uff0cAccessory\u4f1a\u5411Android\u63d0\u4f9bAOA\u7ea6\u5b9a\u7684\u63cf\u8ff0\u4fe1\u606f\uff0c\u5176\u4e2d\u67093\u4e2a\u4fe1\u606f\u662fAndroid\u7cfb\u7edf\u7528\u4e8e\u7ed1\u5b9aAccessory\u8bbe\u5907\u4e0eAPP\u7684\uff1b\u5206\u522b\u662f\uff1amanufacturer\u3001model\u3001version\u3002Android\u7cfb\u7edf\u6839\u636e\u8fd93\u4e2a\u5b57\u7b26\u4e32\u5339\u914d\u76f8\u5e94\u7684APP\u3002<\/div>\n
      \u00a0 \u00a0 \u5982\u679c\u7cfb\u7edf\u5185\u65e0\u4efb\u4f55APP\u53ef\u4ee5\u5339\u914dAccessory\u53d1\u6765\u7684\u63e1\u624b\u6d88\u606f\uff1b\u5219Adnroid\u8bbe\u5907\u4f1a\u5f39\u51fa\u4e00\u4e2a\u5bf9\u8bdd\u6846\uff0c\u5411\u7528\u6237\u63d0\u4f9bAccessory\u8bbe\u5907\u53d1\u9001\u6765\u7684\u63cf\u8ff0\u4fe1\u606f\u548cURL\u4fe1\u606f\uff0c\u7528\u6237\u53ef\u4ee5\u70b9\u51fbURL\u6240\u6307\u5411\u7684web\u9875\u9762\u3002<\/div>\n
      \u00a0 \u00a0 \u5982\u679c\u7cfb\u7edf\u6709app\u53ef\u4ee5\u5339\u914daccessory\u53d1\u6765\u7684\u63e1\u624b\u6d88\u606f\uff1b\u5219android\u4f1a\u5f39\u51fa\u4e00\u4e2a\u5bf9\u8bdd\u6846\u8be2\u95ee\u7528\u6237\u662f\u5426\u7acb\u523b\u542f\u52a8\u8be5app\uff1b\u5982\u679c\u7528\u6237\u9009\u62e9ok\u5219\u542f\u52a8\u8be5app\uff1b\u540c\u65f6\u8be5\u5bf9\u8bdd\u6846\u63d0\u4f9b\u4e00\u4e2a\u52fe\u9009\u9879\uff0c\u52fe\u9009\u4e4b\u540e\u6bcf\u6b21accessory\u8bbe\u5907\u8fde\u63a5\u540e\u4f1a\u81ea\u52a8\u542f\u52a8\u8be5app\uff1b\u5e94\u8be5\u8981\u6c42\u7528\u6237\u52fe\u9009\u8be5\u5bf9\u8bdd\u6846\uff0c\u5426\u5219app\u542f\u52a8\u540e\u5411UsbManager\u83b7\u53d6accessory\u8bbe\u5907\u540e\u53ef\u80fd\u56e0\u4e3apermission\u95ee\u9898\u65e0\u6cd5\u6253\u5f00\u6587\u4ef6\u63cf\u8ff0\u7b26\u5efa\u7acb\u901a\u4fe1\u8fde\u63a5\u3002<\/div>\n

      \u6ce8\u610f\uff1a<\/h3>\n
        \n
      1. \n
        pid\u4e3a0x2D00\u662f\u4fdd\u7559\u7ed9\u652f\u6301\u9644\u4ef6\u6a21\u5f0f\u7684Android\u8bbe\u5907\u30020x2D01\u4fdd\u7559\u7528\u4e8e\u652f\u6301\u9644\u4ef6\u6a21\u5f0f\u4ee5\u53caandroid\u8c03\u8bd5\u6865adb\u534f\u8bae\u7684\u8bbe\u5907\uff0c\u7b2c\u4e8c\u4e2a\u63a5\u53e3\u4e3aadb\u5e76\u4e14\u5177\u6709\u4e24\u4e2a\u6279\u91cf\u7aef\u70b9\u3002\u5982\u679c\u8981\u5728\u8ba1\u7b97\u673a\u4e0a\u6a21\u5f0f\u9644\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u7aef\u70b9\u6765\u8c03\u8bd5\u9644\u4ef6\u7a0b\u5e8f\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u4e0d\u8981\u4f7f\u7528\u6b64\u63a5\u53e3\uff0c\u9664\u975e\u914d\u4ef6\u5728\u8bbe\u5907\u4e0a\u5b9e\u73b0\u4f20\u8f93\u5230adb\u3002<\/div>\n<\/li>\n<\/ol>\n
        \u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0 \u00a0 0x2D00\u00a0\u5177\u6709\u4e00\u4e2a\u62e5\u67092\u4e2a\u6279\u91cf\u7aef\u70b9\u7684\u63a5\u53e3\uff0c\u7528\u4e8e\u8f93\u51fa\u548c\u8f93\u5165\u901a\u4fe1\u7684\u3002<\/div>\n
        \u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0 \u00a0 0x2D01 \u5177\u6709\u4e24\u4e2a\u63a5\u53e3\uff0c\u6bcf\u4e2a\u63a5\u53e3\u67092\u4e2a\u6279\u91cf\u7aef\u70b9\uff0c\u7528\u4e8e\u8f93\u5165\u548c\u8f93\u51fa\u901a\u4fe1\u3002\u7b2c\u4e00\u4e2a\u63a5\u53e3\u5904\u7406\u6807\u51c6\u901a\u4fe1\uff0c\u7b2c\u4e8c\u4e2a\u63a5\u53e3\u5904\u7406adb\u901a\u4fe1\u3002\u8981\u4f7f\u7528\u63a5\u53e3\uff0c\u8bf7\u627e\u5230\u7b2c\u4e00\u4e2a\u6279\u91cf\u8f93\u5165\u548c\u8f93\u51fa\u7aef\u70b9\uff0c\u4f1a\u7528SET_CONFIGURATION(0x09)\u8bbe\u5907\u8bf7\u6c42\u5c06\u8bbe\u5907\u914d\u7f6e\u8bbe\u7f6e\u4e3a1\uff0c\u7136\u540e\u4f7f\u7528\u7aef\u70b9\u8fdb\u884c\u901a\u4fe1\u3002<\/div>\n
          \n
        1. \n
          AOA\u76ee\u524d\u4e0d\u652f\u6301\u540c\u65f6\u8fdb\u884cAOA\u548cMTP\uff08\u5a92\u4f53\u4f20\u8f93\u534f\u8bae\uff09\u8fde\u63a5\u3002\u8981\u4eceAOA\u5207\u6362\u5230MTP\uff0c\u914d\u4ef6\u5fc5\u987b\u9996\u5148\u65ad\u5f00USB\u8bbe\u5907\uff08\u7269\u7406\u4e0a\u6216\u7535\u6c14\u4e0a\u7b49\u6548\u65b9\u5f0f\uff09\uff0c\u7136\u540e\u4f7f\u7528MTP\u91cd\u65b0\u8fde\u63a5\u3002<\/div>\n<\/li>\n<\/ol>\n

          \"\"<\/a><\/p>\n

          \u5b9e\u73b0\uff1a<\/h3>\n

          \u5173\u4e8eAOA\u7684host\u7aef\u5728android\u4e0a\u5b9e\u73b0\u7684\u4ee3\u7801\u5728\u7f51\u4e0a\u6709\u5f88\u591a\uff0c\u8fd9\u91cc\u4e0d\u518d\u8d34\u51fa\u6765\u3002<\/p>\n

          \u5173\u4e8eAOA\u7684accessory\u914d\u4ef6\u7aef\u5728android\u4e0a\u600e\u4e48\u5b9e\u73b0\u5462\uff0c\u7f51\u4e0a\u4e00\u822c\u627e\u51fa\u6765\u7684\u90fd\u662flinux\u4e0b\u6a21\u5f0f\u7684adk\u65b9\u5f0f\uff0c\u5176\u5b9e\u7528android\u505a\u914d\u4ef6\u539f\u7406\u662f\u4e00\u6837\u7684\uff0c\u5c31\u662f\u5f97\u8f6c\u6362\u6210java\u4ee3\u7801\u65b9\u5f0f\u6765\u5b9e\u73b0\u3002<\/p>\n

          \u6d89\u53ca\u5230\u7684\u51e0\u4e2a\u5e38\u91cf\u5b9a\u4e49\uff1a<\/p>\n

          \/*\r\n    \u914d\u4ef6\u6a21\u5f0fAOA\u652f\u6301\uff1a\r\n    VID  \u56fa\u5b9a\u4e3aGoogle\u7684\u5b98\u65b9VID \u2013 0x18D1\r\n    PID \u5728\u4e0d\u540c\u7684\u6a21\u5f0f\u4e0b\u5b9a\u4e49\u5982\u4e0b\uff1a\r\n        \u25cf          0x2D00 - V1 accessory\r\n        \u25cf          0x2D01 - V1 accessory + adb\r\n        \u25cf          0x2D02 - V2 audio\uff0c \u6ce8\u610fV2\u517c\u5bb9V1\uff0c\u4e0a\u9762\u4e24\u4e2a\u4ecd\u7136\u652f\u6301\u3002\uff0c\u6ce8\u610f\uff1aAOAv2\u97f3\u9891\u652f\u6301\u5728Android 8.0\u4e2d\u5df2\u88ab\u5f03\u7528\r\n        \u25cf          0x2D03 - V2 audio + adb\uff0c\u6ce8\u610f\uff1aAOAv2\u97f3\u9891\u652f\u6301\u5728Android 8.0\u4e2d\u5df2\u88ab\u5f03\u7528\r\n        \u25cf          0x2D04 - V2 accessory + audio\uff0c\u6ce8\u610f\uff1aAOAv2\u97f3\u9891\u652f\u6301\u5728Android 8.0\u4e2d\u5df2\u88ab\u5f03\u7528\r\n        \u25cf          0x2D05 - V2 accessory + audio + adb\uff0c\u6ce8\u610f\uff1aAOAv2\u97f3\u9891\u652f\u6301\u5728Android 8.0\u4e2d\u5df2\u88ab\u5f03\u7528\r\n *\/<\/pre>\n
          \/**\r\n * USB\u8bf7\u6c42\u7c7b\u578brequestType\u6309\u4f4d\u5b9a\u4e49\uff1a\r\n * define USB_SETUP_HOST_TO_DEVICE                0x00    \/\/ Device Request bmRequestType transfer direction - host to device transfer\r\n * define USB_SETUP_DEVICE_TO_HOST                0x80    \/\/ Device Request bmRequestType transfer direction - device to host transfer\r\n * define USB_SETUP_TYPE_STANDARD                 0x00    \/\/ Device Request bmRequestType type - standard\r\n * define USB_SETUP_TYPE_CLASS                    0x20    \/\/ Device Request bmRequestType type - class\r\n * define USB_SETUP_TYPE_VENDOR                   0x40    \/\/ Device Request bmRequestType type - vendor\r\n * define USB_SETUP_RECIPIENT_DEVICE              0x00    \/\/ Device Request bmRequestType recipient - device\r\n * define USB_SETUP_RECIPIENT_INTERFACE           0x01    \/\/ Device Request bmRequestType recipient - interface\r\n * define USB_SETUP_RECIPIENT_ENDPOINT            0x02    \/\/ Device Request bmRequestType recipient - endpoint\r\n * define USB_SETUP_RECIPIENT_OTHER               0x03    \/\/ Device Request bmRequestType recipient - other\r\n * USB\u914d\u4ef6\u6a21\u5f0f\u4e0bPID\/VID\u5b9a\u4e49\uff1a\r\n * #define USB_ACCESSORY_VENDOR_ID         0x18D1\r\n * #define USB_ACCESSORY_PRODUCT_ID        0x2D00\r\n * #define USB_ACCESSORY_ADB_PRODUCT_ID    0x2D01\r\n * USB\u8bf7\u6c42\u5e8f\u53f7\uff1a\r\n * #define ACCESSORY_STRING_MANUFACTURER   0\r\n * #define ACCESSORY_STRING_MODEL          1\r\n * #define ACCESSORY_STRING_DESCRIPTION    2\r\n * #define ACCESSORY_STRING_VERSION        3\r\n * #define ACCESSORY_STRING_URI            4\r\n * #define ACCESSORY_STRING_SERIAL         5\r\n * #define ACCESSORY_GET_PROTOCOL          51\r\n * #define ACCESSORY_SEND_STRING           52\r\n * #define ACCESSORY_START                 53\r\n * \u914d\u4ef6\u53d1\u9001\u5e8f\u53f751\u7684USB\u8bf7\u6c42\u62a5\u6587\uff0c\u5f97\u5230\u534f\u8bae\u4fe1\u606f\uff0c\u5373\u5bf9\u65b9(\u624b\u673a)\u662f\u5426\u652f\u6301aoa\u6a21\u5f0f\r\n * \u914d\u4ef6\u53d1\u9001\u5e8f\u53f752\u7684USB\u8bf7\u6c42\u62a5\u6587\uff0c\u901a\u8fc7Index\u5b57\u6bb5\u643a\u5e26\u914d\u4ef6\u81ea\u8eab\u4fe1\u606f\uff0c\u5305\u62ec\u5236\u9020\u5546\u3001\u578b\u53f7\u3001\u7248\u672c\u3001\u8bbe\u5907\u63cf\u8ff0\u3001\u5e8f \u5217\u53f7URI\u7b49\u3002\u624b\u673a\u6839\u636e\u8fd9\u4e9b\u4fe1\u606f\u542f\u52a8\u54cd\u5e94\u7684APP\r\n * \u914d\u4ef6\u53d1\u9001\u5e8f\u53f753\u7684USB\u8bf7\u6c42\u62a5\u6587\uff0c\u5207\u6362USB\u6a21\u5f0f\uff0c\u4e3b\u8981\u662f\u6839\u636e\u5207\u6362\u7684vendorID\u548cproductID\r\n * \u91cd\u65b0\u679a\u4e3eUSB\u8bbe\u5907\uff0c\u51c6\u5907\u5efa\u7acbAOA\u6570\u636e\u901a\u9053<\/pre>\n
          **\/<\/pre>\n
          1. \u914d\u4ef6\u4f5c\u4e3ahost\uff0c\u63d2\u5165\u6216\u62d4\u51fausb\u7ebf\u65f6\u90fd\u4f1a\u6536\u5230UsbManager.ACTION_USB_DEVICE_DETACHED\u548cUsbManager.ACTION_USB_DEVICE_ATTACHED\u5e7f\u64ad\u3002\r\n2. \u7528getDeviceList()\u626b\u63cf\u6240\u6709usb\u8bbe\u5907\uff0c\u627e\u5230\u81ea\u5df1\u6240\u9700\u7684usb\u914d\u4ef6\u7aef\u53e3\u3002\r\n3. \u67e5\u770b\u8be5\u914d\u4ef6\u662f\u5426\u5df2\u7ecf\u5904\u4e8e\u914d\u4ef6\u6a21\u5f0f\uff0c\u5982\u679c\u662f2d00\/18d1\uff0c\u5219\u7528openDevice(device)\u76f4\u63a5\u8fdb\u5165\u901a\u4fe1\uff1a<\/pre>\n
          \/\/\u6700\u597d\u5173\u95ed\u6389Host\u7aefAndroid\u8bbe\u5907\u7684USB ADB\u8c03\u8bd5\u529f\u80fd(android11\u4ee5\u540e\u53ef\u4ee5\u7528wifi\u65e0\u7ebf\u8c03\u8bd5\u66ff\u4ee3usb\u8c03\u8bd5)\uff0c\r\n\/\/ \u5426\u5219\u57280X2D01\u4e0b2\u4e2ainterface\u96be\u4ee5\u533a\u5206\u90a3\u4e2a\u63a5\u53e3\u662fadb\uff0c\u54ea\u4e2a\u63a5\u53e3\u662faoa\u3002<\/pre>\n
          mUsbInterface = device.getInterface(0);\r\nfor(int j=0; j< 2; j++) {\r\nif (UsbConstants.USB_DIR_IN == mUsbInterface.getEndpoint(j).getDirection()) {\r\nmUsbEndpointIn = mUsbInterface.getEndpoint(j);\r\nmUsbInMax = mUsbEndpointIn.getMaxPacketSize();\r\n}\r\nif (UsbConstants.USB_DIR_OUT == mUsbInterface.getEndpoint(j).getDirection()) {\r\nmUsbEndpointOut = mUsbInterface.getEndpoint(j);\r\nmUsbOutMax = mUsbEndpointOut.getMaxPacketSize();\r\n}\r\n}\r\n\/\/ requestType: USB_SETUP_HOST_TO_DEVICE | USB_SETUP_TYPE_STANDARD | USB_SETUP_RECIPIENT_DEVICE\r\n\/\/ request: ACCESSORY_SET_CONFIGURATION\r\nint rtn = connection.controlTransfer(0x00, 9, 1, 0,\r\nnull, 0, IAoaConst.USB_TIMEOUT_IN_MS);\r\nif(rtn < 0){\r\ntmpStr = \"enterCommunication: controlTransfer return error:\" + rtn;\r\nLog.i(TAG,tmpStr);\r\nSendMsgToMainActivity(tmpStr);\r\nreturn false;\r\n}\r\n\/\/\u53d1\u9001\u4e00\u6b21\r\nbyte[] buffer = new byte[]{'a', 'b', 'c', 'd'};\r\nconnection.bulkTransfer(mUsbEndpointOut, buffer, buffer.length, IAoaConst.USB_TIMEOUT_IN_MS);\r\ntmpStr = \"enterCommunication: connection.bulkTransfer to peer.\";\r\nLog.i(TAG,tmpStr);\r\nSendMsgToMainActivity(tmpStr);\r\n\/\/\u63a5\u6536\u6d88\u606f\u7684\u7ebf\u7a0b\r\nnew CommunicationThread().start();\r\n\r\n<\/pre>\n
          private class CommunicationThread extends Thread {\r\n    @Override\r\n    public void run() {\r\n        Log.w(TAG, \"CommunicationThread: start receive.\");\r\n        running = true;\r\n        byte[] buffer = new byte[1024];\r\n        while (running) {\r\n            \/\/Handle incoming messages\r\n            if(mUsbEndpointIn!=null) {\r\n                int len = connection.bulkTransfer(mUsbEndpointIn, buffer, buffer.length, IAoaConst.USB_TIMEOUT_IN_MS);\r\n                if (len >= 0) {\r\n                    Log.w(TAG, \"CommunicationThread: received msg, len: \" + len);\r\n                    \/\/Log.w(TAG, \"CommunicationThread: received msg, content: \" + new String(buffer));\r\n                }else{\r\n                    Log.w(TAG, \"CommunicationThread: received error!\");\r\n                }\r\n            }\r\n        }\r\n    }\r\n}<\/pre>\n
          4. \u5982\u679c\u4e0d\u662f\uff0c\u5219\u9700\u8981\u8fdb\u5165\u521d\u59cb\u5316\u8fc7\u7a0b\uff0c\u8fd8\u662fopenDevice(device)\u6253\u5f00\u8bbe\u5907\uff0c\u7136\u540e\u752851\u53f7\u8bf7\u6c42\u5f97\u5230\u534f\u8bae\u53f7\uff1a<\/pre>\n
          private int getProtocol(UsbDeviceConnection connection)\r\n{\r\n    byte[] buffer = new byte[]{0,0};\r\n    \/\/ requestType: USB_SETUP_DEVICE_TO_HOST | USB_SETUP_TYPE_VENDOR | USB_SETUP_RECIPIENT_DEVICE\r\n    \/\/ request: ACCESSORY_GET_PROTOCOL\r\n    int rtn = connection.controlTransfer(0xC0, 51, 0, 0,\r\n            buffer, 2, IAoaConst.USB_TIMEOUT_IN_MS);\r\n    if(rtn <=0){\r\n        String tmpStr = \"getProtocol: controlTransfer return error:\" + rtn;\r\n        Log.i(TAG,tmpStr);\r\n        SendMsgToMainActivity(tmpStr);\r\n    }\r\n    String tmpStr = \"getProtocol: protocol:\" + buffer[0]+\".\"+buffer[1];\r\n    Log.i(TAG,tmpStr);\r\n    SendMsgToMainActivity(tmpStr);\r\n    return rtn;\r\n}\r\n\r\n5. \u7136\u540e\u901a\u8fc752\u53f7\u8bf7\u6c42\u8bbe\u7f6e\u53c2\u6570\uff1a<\/pre>\n
          \/\/\u652f\u6301aoa\u534f\u8bae\uff0c\u5219\u63a7\u5236\u5bf9\u7aef(\u624b\u673a)\u542f\u52a8\u7279\u5b9a\u7684application\u3002\r\nboolean res = initStringControlTransfer(connection, 0, IAoaConst.USB_AOA_MANUFACTURER); \/\/ MANUFACTURER\r\nres = res&&initStringControlTransfer(connection, 1, IAoaConst.USB_AOA_MODEL); \/\/ MODEL\r\nres = res&&initStringControlTransfer(connection, 2, IAoaConst.USB_AOA_DESCRIPTION); \/\/ DESCRIPTION\r\nres = res&&initStringControlTransfer(connection, 3, IAoaConst.USB_AOA_VERSION); \/\/ VERSION\r\nres = res&&initStringControlTransfer(connection, 4, IAoaConst.USB_AOA_URI); \/\/ URI\r\nres = res&&initStringControlTransfer(connection, 5, IAoaConst.USB_AOA_SERIAL); \/\/ SERIAL<\/pre>\n
          private boolean initStringControlTransfer(final UsbDeviceConnection deviceConnection,\r\n                                       final int index, final String string) {\r\n    \/\/ requestType: USB_SETUP_HOST_TO_DEVICE | USB_SETUP_TYPE_VENDOR | USB_SETUP_RECIPIENT_DEVICE\r\n    \/\/ request: ACCESSORY_SEND_STRING\r\n    int rtn = deviceConnection.controlTransfer(0x40, 52, 0, index,\r\n            string.getBytes(), string.length(), IAoaConst.USB_TIMEOUT_IN_MS);\r\n    if(rtn <=0){\r\n        String tmpStr = \"initStringControlTransfer: controlTransfer return error:\" + rtn;\r\n        Log.e(TAG,tmpStr);\r\n        SendMsgToMainActivity(tmpStr);\r\n        return false;\r\n    }\r\n    return true;\r\n}<\/pre>\n
          6. \u6700\u540e\u4f7f\u752853\u53f7\u8bf7\u6c42\u542f\u52a8AOA\u6a21\u5f0f\uff1a<\/pre>\n
          \/\/ requestType: USB_SETUP_HOST_TO_DEVICE | USB_SETUP_TYPE_VENDOR | USB_SETUP_RECIPIENT_DEVICE\r\n\/\/ request: ACCESSORY_START\r\nconnection.controlTransfer(0x40, 53, 0, 0, new byte[]{}, 0, IAoaConst.USB_TIMEOUT_IN_MS);<\/pre>\n
          7. \u6b64\u65f6USB\u4f1a\u505a\u4e00\u6b21\u903b\u8f91\u63d2\u62d4\uff0c\u7b49attach\u5230\u6765\u540e\uff0c\u4f1a\u53d1\u73b0\u4e4b\u524d\u7684usb pid\/vid\u5df2\u7ecf\u6210\u4e862d00\/18d1\uff0c\u6b64\u65f6\u5373\u53ef\u8fdb\u5165\u901a\u4fe1\u4e86\u3002\r\n\r\n\r\n\r\n\r\n\r\n\r\n<\/pre>\n
           <\/p>\n","protected":false},"excerpt":{"rendered":"
          Android\u914d\u4ef6\u6a21\u5f0f\u7b80\u4ecb\uff1a \u00a0\u00a0 \u00a0\u5982\u4e0b\u56fe\u6240\u793a\uff0cAndroid\u8bbe\u5907\u6bd4\u5982\u624b\u673a\u4f5c\u4e3aUSB\u00a0device\u65b9\uff0c\u914d\u4ef6\u53ef …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15,6,13],"tags":[850,394,847,849,587,848],"class_list":["post-1119","post","type-post","status-publish","format-standard","hentry","category-linuxandroid","category-6","category-13","tag-accessory","tag-android","tag-aoa","tag-host","tag-usb","tag-848"],"views":2878,"_links":{"self":[{"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1119","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1119"}],"version-history":[{"count":1,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1119\/revisions"}],"predecessor-version":[{"id":1124,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1119\/revisions\/1124"}],"wp:attachment":[{"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1119"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}