"# \u89c6\u9891\u63a7\u4ef6\uff08\u7269\u8054\u578b\uff09\u5982\u4f55\u4f7f\u7528\uff1f\n\n> 2022-03-21 | 2026-07-01\n> https:\/\/www.modbus.cn\/en\/7144.html\n\n**\u57fa\u7840\u63a7\u4ef6\u6587\u6863, \u89e6\u63a7\u5c4f\u5f00\u53d1\u6587\u6863**\n\n---\n\n## \u4ec0\u4e48\u662f\u89c6\u9891\u63a7\u4ef6\uff1f\n\n![Video01](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/03\/Video01-1.png)\n\n\u6211\u53f8\u89c6\u9891AV\u63a7\u4ef6\u6709\u4e24\u79cd\u529f\u80fd\uff0c\u5206\u522b\u4e3a\u64ad\u653e\u89c6\u9891\u6587\u4ef6\u4ee5\u53caAV\u8f93\u5165\u3002\u89c6\u9891\u63a7\u4ef6\u64ad\u653e\u89c6\u9891\u529f\u80fd\u5e38\u7528\u4e8e\u5f00\u673a\u521b\u610f\u6548\u679c\uff0c\u6216\u8005\u64ad\u653e\u4ea7\u54c1\u7684\u64cd\u4f5c\u6307\u5357\u3001\u516c\u5171\u573a\u5408\u7684\u5e7f\u544a\u793a\u610f\u7b49\n\n\u672c\u7ae0\u8282\u4e3b\u8981\u4ecb\u7ecd\u4ee5\u4e0b3\u70b9\n\n- \u64ad\u653e\u5c4f\u5185\u7684\u89c6\u9891- \u64ad\u653eU\u76d8\/SD\u5361\u7684\u89c6\u9891- LUA API\u4ecb\u7ecd\n\n\u9002\u7528\u8303\u56f4\uff1a\u7269\u8054\u578b\n\n\u89c6\u9891\u683c\u5f0f\uff1a\n\n- MP4\u6587\u4ef6- H264\u7f16\u7801- \u97f3\u9891\u6d41\u4e3aMP3\u6216AAC\u683c\u5f0f- \u89c6\u9891\u6700\u5927\u5206\u8fa8\u7387<1280*768- \u6700\u5927\u5e27\u6570<30ps- \u6700\u5927\u7801\u7387<1400\n\n\u76f8\u5173\u4f8b\u7a0b\u4e0b\u8f7d\u94fe\u63a5\uff1a\n\n- \u300a\u7269\u8054\u578b\u64ad\u653e\u89c6\u9891\u5e94\u7528\u300b(\u70b9\u51fb\u8df3\u8f6c)\n\n\u89c6\u9891\u7684\u8f6c\u6362\u64cd\u4f5c\u6d41\u7a0b\u53ef\u53c2\u8003\u6b64\u6559\u7a0b\uff1a\u89c6\u9891\u6587\u4ef6\u8f6c\u6362\u8bf4\u660e\n\n## 19.1 \u89c6\u9891\u63a7\u4ef6\u5c5e\u6027\u4ecb\u7ecd\n\n\u89c6\u9891\u63a7\u4ef6\u5c5e\u6027\u4ecb\u7ecd\uff0c\u5982\u4e0b\u56fe\u6240\u793a\n\n![Video02](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/03\/Video02-1.png)\n\n#### \u7528\u9014\n\n\u64ad\u653e\u89c6\u9891\u4ee5\u53caAV\u8f93\u5165,AV\u8f93\u5165\u9700\u8981\u5e94\u7528\u7684\u786c\u4ef6\u578b\u53f7\u652f\u6301\n\n#### \u89c6\u9891\u6587\u4ef6\n\n\u52a0\u8f7d\u5230\u63a7\u4ef6\u7684\u89c6\u9891\u547d\u540d\u4e3a\u5b57\u6bcd\uff08a-z\uff09\u3001\u6570\u5b57(0-9)\u548c\u4e0b\u5212\u7ebf\uff08_\uff09\u7ec4\u5408\uff0c\u4e0d\u652f\u6301\u5176\u4ed6\u5b57\u7b26\n\n#### \u97f3\u9891\u6d41\n\n\u542f\u7528\u548c\u7981\u6b62\uff0c\u7981\u6b62\u540e\u64ad\u653e\u89c6\u9891\u6ca1\u6709\u58f0\u97f3\n\n#### \u81ea\u52a8\u64ad\u653e\n\n\u201c\u662f\u201d\u6216\u201c\u5426\u201d\uff0c\u5f53\u9009\u62e9\u662f\uff0c\u5207\u6362\u5230\u8be5\u9875\u9762\u5c31\u81ea\u52a8\u64ad\u653e\u89c6\u9891\u6587\u4ef6\n\n#### \u64ad\u653e\u7ed3\u675f\u65f6\n\n\u89c6\u9891\u64ad\u653e\u7ed3\u675f\u65f6\uff0c\u6267\u884c\u7684\u52a8\u4f5c\u3002\u53ef\u4ee5\u9009\u62e9\u201d\u4e0d\u5904\u7406\u201c\u3001\u201c\u53d1\u9001\u901a\u77e5\u201d\u4ee5\u53ca\u201c\u5207\u6362\u5230\u4e0b\u4e00\u9875\u201d\n\n![Video03](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/03\/Video03-1.png)\n\n#### \u91cd\u590d\u6b21\u6570\n\n\u91cd\u590d\u64ad\u653e\u7684\u6b21\u6570\uff0c0\u8868\u793a\u4e0d\u65ad\u91cd\u590d\n\n## 19.2 \u64ad\u653e\u5c4f\u5185\u89c6\u9891\u6587\u4ef6\n\n\u3010\u64ad\u653e\u5c4f\u5185\u89c6\u9891\u6587\u4ef6\u3011\u753b\u9762\uff0c\u4ecb\u7ecd\u76f8\u5173\u64ad\u653e\u6307\u4ee4\n\n#### \u753b\u9762\u914d\u7f6e\n\n\u5728\u3010\u64ad\u653e\u5c4f\u5185\u89c6\u9891\u6587\u4ef6\u3011\u753b\u9762\u7684\u201c\u80cc\u666f\u56fe\u7247\u201d\u5bfc\u5165\u76f8\u5e94\u7684\u7f8e\u5de5\u56fe\u7247\u753b\u9762\u4e2d\u6dfb\u52a01\u4e2a\u89c6\u9891\u63a7\u4ef6\uff08\u63a7\u4ef6ID\uff1a1\uff09\u548c3\u4e2a\u6309\u94ae\u63a7\u4ef6\u7528\u4e8e\u8bbe\u7f6e\u89c6\u9891\u64ad\u653e\u72b6\u6001\uff0c\u5982\u4e0b\u6240\u793a\n\n![Video04](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/03\/Video04-1.png)\n\n#### \u5c5e\u6027\u914d\u7f6e\n\n\u89c6\u9891AV\u63a7\u4ef6\n\n\u8bbe\u7f6e\u89c6\u9891\u63a7\u4ef6\u7528\u9014\u4e3a\u201c\u64ad\u653e\u89c6\u9891\u201d\uff0c\u6dfb\u52a0\u89c6\u9891\u6587\u4ef6\uff0c\u201c\u97f3\u9891\u6d41\u201d\u4e3a\u542f\u7528\uff0c\u201c\u81ea\u52a8\u64ad\u653e\u201d\u4e3a\u662f\uff0c\u201c\u64ad\u653e\u7ed3\u675f\u65f6\u201d\u4e3a\u53d1\u9001\u901a\u77e5\uff0c\u201c\u91cd\u590d\u6b21\u6570\u201d\u4e3a0\uff0c\u5982\u4e0b\u6240\u793a\n\n![Video02](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/03\/Video02-1.png)\n\n\u6309\u94ae\u63a7\u4ef6ID2-\u64ad\u653e\n\n\u6dfb\u52a0\u6309\u94ae\u63a7\u4ef6ID2\u201c\u6309\u4e0b\u65f6\u7684\u56fe\u7247\u201d\uff0c\u5e76\u4e14\u52fe\u9009\u88c1\u526a\uff1b\u7531\u4e8e\u5207\u6362\u5230\u8be5\u753b\u9762\u5c31\u81ea\u52a8\u64ad\u653e\u89c6\u9891\uff0c\u6240\u4ee5\u8bbe\u7f6e\u6309\u94ae\u63a7\u4ef6ID2\u7684\u521d\u59cb\u72b6\u6001\u4e3a\u201c\u6309\u4e0b\u201d\uff1b\u6309\u94ae\u64cd\u4f5c\u98ce\u683c\u4e3a\u201c\u7f6e\u4f4d\u201d\uff0c\u5982\u4e0b\u6240\u793a\n\n![Video10](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/03\/Video10-1.png)\n\n\u8bbe\u7f6e\u201c\u64ad\u653e\u6309\u94ae\u201d\u3001\u201c\u6682\u505c\/\u6062\u590d\u6309\u94ae\u201d\u4ee5\u53ca\u201c\u505c\u6b62\u6309\u94ae\u201d\u4e3a\u4e92\u65a5\uff0c\u64cd\u4f5c\u5982\u4e0b\u6240\u793a\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/03\/Video08-1.gif)\n\n\u5728\u6307\u4ee4\u52a9\u624b\u754c\u9762\uff0c\u5de6\u4fa7\u5bfc\u822a\u680f\u9009\u62e9\u3010\u89c6\u9891AV\u63a7\u4ef6\u3011\uff0c\u8bbe\u7f6e\u753b\u9762ID0\u4e2d\u7684\u63a7\u4ef6ID2\u64ad\u653e\u5faa\u73af\u89c6\u9891\uff0c\u586b\u5199\u5728\u5bf9\u5e94\u6309\u94ae\u7684\u6307\u4ee4\u52a9\u624b\u4e2d\uff0c\u5982\u4e0b\u6240\u793a\n\n![Video5](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/03\/Video5-1.png)\n\n\u5982\u4e0a\u6240\u793a\uff1a\u6307\u4ee4\u683c\u5f0f\u4e3aEE B1 70 00 00 00 01 00 FF FC FF FF\u3002\u8be5\u6307\u4ee4\u4e3b\u8981\u7528\u4e8e\u63a7\u5236\u89c6\u9891\u64ad\u653e\u63a7\u4ef6\u7684\u64ad\u653e\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u76f8\u5e94\u7684\u89c6\u9891\u64ad\u653e\u5faa\u73af\u6b21\u6570\uff0c\u8ba9\u89c6\u9891\u6309\u7167\u76f8\u5e94\u7684\u8bbe\u7f6e\u8fdb\u884c\u64ad\u653e\u3002\uff08\u6ce8\uff1a\u89c6\u9891\u64ad\u653e\u63a7\u4ef6\u5fc5\u987b\u5148\u8bbe\u7f6e\u89c6\u9891\u8def\u5f84\uff0c\u5982\u63a7\u4ef6\u5df2\u52a0\u8f7d\u89c6\u9891\u6587\u4ef6\uff0c\u53ea\u9700\u8981\u53d1\u9001\u64ad\u653e\u89c6\u9891\u6307\u4ee4\u3002\u53cd\u6b63\uff0c\u9700\u8981\u5148\u53d1\u9001\u8bbe\u7f6e\u64ad\u653e\u89c6\u9891\u7684\u8def\u5f84\uff0c\u5728\u53d1\u9001\u64ad\u653e\u6307\u4ee4\uff09\n\n\u5e27\u5934\u7ec4\u6001\u6307\u4ee4\u529f\u80fd\u7801-\u89c6\u9891\u64ad\u653e\u753b\u9762ID\u63a7\u4ef6ID\u64ad\u653e\u6b21\u6570\u5e27\u5c3eEEB17000 0000 0100FF FC FF FF\n\n\u6309\u94ae\u63a7\u4ef6ID3-\u6682\u505c\/\u6062\u590d\n\n\u6309\u94ae\u63a7\u4ef6ID3\u7684\u5c5e\u6027\u914d\u7f6e\u548c\u6309\u94ae\u63a7\u4ef6ID2\u914d\u7f6e\u7c7b\u4f3c\uff0c\u8bbe\u7f6e\u6309\u94ae\u63a7\u4ef6ID3\u7684\u521d\u59cb\u72b6\u6001\u4e3a\u201c\u5f39\u8d77\u201d\uff0c\u586b\u5199\u5728\u5bf9\u5e94\u6309\u94ae\u7684\u6307\u4ee4\u52a9\u624b\u4e2d\uff0c\u5982\u4e0b\u6240\u793a\n\n![Video07](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/03\/Video07-1.png)\n\n\u5982\u4e0a\u6240\u793a\uff1a\u6307\u4ee4\u683c\u5f0f\u4e3aEE B1 72 00 00 00 01 FF FC FF FF\u3002\u8be5\u6307\u4ee4\u4e3b\u8981\u7528\u4e8e\u63a7\u5236\u89c6\u9891\u201c\u6682\u505c\/\u6062\u590d\u201d\u3002\u6307\u4ee4\u542b\u4e49\u5982\u4e0b\u6240\u793a\n\n\u5e27\u5934\u7ec4\u6001\u6307\u4ee4\u529f\u80fd\u7801-\u89c6\u9891\u6682\u505c\/\u6062\u590d\u753b\u9762ID\u63a7\u4ef6ID\u5e27\u5c3eEEB17200 0000 01FF FC FF FF\n\n\u6309\u94ae\u63a7\u4ef6ID4-\u505c\u6b62\n\n\u6309\u94ae\u63a7\u4ef6ID4\u7684\u5c5e\u6027\u914d\u7f6e\u548c\u6309\u94ae\u63a7\u4ef6ID2\u914d\u7f6e\u7c7b\u4f3c\uff0c\u8bbe\u7f6e\u6309\u94ae\u63a7\u4ef6ID4\u7684\u521d\u59cb\u72b6\u6001\u4e3a\u201c\u5f39\u8d77\u201d\uff0c\u586b\u5199\u5728\u5bf9\u5e94\u6309\u94ae\u7684\u6307\u4ee4\u52a9\u624b\u4e2d\uff0c\u5982\u4e0b\u6240\u793a\n\n![Video6](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/03\/Video6-1.png)\n\n\u5982\u4e0a\u6240\u793a\uff1a\u6307\u4ee4\u683c\u5f0f\u4e3aEE B1 71 00 00 00 01 FF FC FF FF\u3002\u8be5\u6307\u4ee4\u4e3b\u8981\u7528\u4e8e\u63a7\u5236\u89c6\u9891\u201c\u505c\u6b62\u201d\u3002\u6307\u4ee4\u542b\u4e49\u5982\u4e0b\u6240\u793a\n\n\u5e27\u5934\u7ec4\u6001\u6307\u4ee4\u529f\u80fd\u7801-\u89c6\u9891\u505c\u6b62\u753b\u9762ID\u63a7\u4ef6ID\u5e27\u5c3eEEB17100 0000 01FF FC FF FF\n\n## 19.3 \u64ad\u653eU\u76d8\/SD\u5361\u4e2d\u7684\u89c6\u9891\n\n\u64ad\u653e\u5916\u90e8U\u76d8\/SD\u5361\u7684\u89c6\u9891\u6b65\u9aa4\u548c\u64ad\u653e\u5c4f\u5185\u90e8\u89c6\u9891\u6b65\u9aa4\u57fa\u672c\u76f8\u540c\uff0c\u4e0d\u540c\u7684\u662f\u64ad\u653e\u5916\u90e8U\u76d8\/SD\u4e2d\u89c6\u9891\u9700\u8981\u5148\u53d1\u9001\u6307\u4ee4\u8bbe\u7f6e\u89c6\u9891\u8def\u5f84\uff0c\u64cd\u4f5c\u8fc7\u7a0b\u5982\u4e0b\uff1a\n\n- \u5de5\u7a0b\u753b\u9762\u6dfb\u52a0\u89c6\u9891\u64ad\u653e\u63a7\u4ef6\uff08\u53c2\u716719.2\u7ae0\u8282\uff09- \u5bf9\u5185\u6307\u4ee4\u8bbe\u7f6e\u89c6\u9891\u8def\u5f84- \u53d1\u9001\u6307\u4ee4\u63a7\u5236\u89c6\u9891\u64ad\u653e\u3001\u6682\u505c\/\u6062\u590d\u3001\u505c\u6b62\uff08\u53c2\u716719.2\u7ae0\u8282\uff09\n\n#### \u5bf9\u5185\u6307\u4ee4\u8bbe\u7f6e\u89c6\u9891\u8def\u5f84\n\n\u8bbe\u7f6eSD\u5361\u8def\u5f84\n\n\u8bbe\u7f6e\u64ad\u653eSD\u5361\u89c6\u9891\u683c\u5f0f\uff0c\u5982\u64ad\u653eSD\u5361\u76840001.mp4\u6587\u4ef6\uff0c\u5176\u4e2dSD\u7684\u76d8\u7b26\u4e3aSD:\/\uff0c\u8def\u5f84\u5373\u662f\u2018SD:\/0001.mp4\u2019\n\n![Video11](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/03\/Video11.png)\n\n\u5982\u4e0b\u6240\u793a\uff1aEE B1 74 00 00 00 01 73 64 3A 2F 30 30 30 31 2E 6D 70 34 FF FC FF FF \u3002\u8be5\u6307\u4ee4\u4e3b\u8981\u7528\u4e8e\u63a7\u5236\u89c6\u9891\u201c\u505c\u6b62\u201d\u3002\u6307\u4ee4\u542b\u4e49\u5982\u4e0b\u6240\u793a\n\n\u5e27\u5934\u7ec4\u6001\u6307\u4ee4\u529f\u80fd\u7801-\u8bbe\u7f6e\u89c6\u9891\u64ad\u653e\u8def\u5f84\u753b\u9762ID\u63a7\u4ef6ID\u8def\u5f84\uff08SD:\/0001.mp4\uff09\u5e27\u5c3eEEB17400 0000 0173 64 3A 2F 30 30 30 31 2E 6D 70 34FF FC FF FF\n\n\u8bbe\u7f6eU\u76d8\u8def\u5f84\n\n\u8bbe\u7f6e\u64ad\u653eU\u76d8\u89c6\u9891\u683c\u5f0f\uff0c\u5982\u64ad\u653eU\u76d8\u76840001.mp4\u6587\u4ef6\uff0c\u5176\u4e2dU\u76d8\u7684\u76d8\u7b26\u4e3aU:\/\uff0c\u8def\u5f84\u5373\u662f\u2018U:\/0001.mp4\u2019\n\n![Video12](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/03\/Video12.png)\n\n\u5982\u4e0b\u6240\u793a\uff1aEE B1 74 00 00 00 01 75 73 62 3A 2F 74 65 73 74 2E 6D 70 34 FF FC FF FF \u3002\u8be5\u6307\u4ee4\u4e3b\u8981\u7528\u4e8e\u63a7\u5236\u89c6\u9891\u201c\u505c\u6b62\u201d\u3002\u6307\u4ee4\u542b\u4e49\u5982\u4e0b\u6240\u793a\n\n\u5e27\u5934\u7ec4\u6001\u6307\u4ee4\u529f\u80fd\u7801-\u8bbe\u7f6e\u89c6\u9891\u64ad\u653e\u8def\u5f84\u753b\u9762ID\u63a7\u4ef6ID\u8def\u5f84\uff08SD:\/0001.mp4\uff09\u5e27\u5c3eEEB17400 0000 0175 73 62 3A 2F 74 65 73 74 2E 6D 70 34FF FC FF FF\n\n## 19.4 LUA API\u4ecb\u7ecd\n\n#### play_video(pathname,repeat)\n\n\u64ad\u653e\u89c6\u9891\u5f53\u524d\u9875\u9762\u7684\u89c6\u9891\u63a7\u4ef6\uff0c\u9002\u7528\u4e8e\u7269\u8054\u578b\n\n- pathname\u4e3a\u89c6\u9891\u8def\u5f84- repeat\u4e3a\u91cd\u590d\u6b21\u6570\uff0c0\u4e3a\u65e0\u9650\u5236\u6b21\uff0c\n\n\u64ad\u653e\u5c4f\u5185\u89c6\u9891\n\n\u5982\u64ad\u653e\u5c4f\u5185Videos\u76ee\u5f55\u4e0b\u7684\u201d1.mp4\u201d\u89c6\u9891\uff0c\u5c4f\u5185\u76d8\u7b26\u4e3a\u201ca:\/\u201c\uff0c\u5982\u4e0b\u6240\u793a\n\n```\n--\u7528\u6237\u901a\u8fc7\u89e6\u6478\u4fee\u6539\u63a7\u4ef6\u540e\uff0c\u6267\u884c\u6b64\u56de\u8c03\u51fd\u6570\n--\u70b9\u51fb\u6309\u94ae\u63a7\u4ef6\uff0c\u4fee\u6539\u6587\u672c\u63a7\u4ef6\u3001\u4fee\u6539\u6ed1\u52a8\u6761\u90fd\u4f1a\u89e6\u53d1\u6b64\u4e8b\u4ef6\nfunction on_control_notify(screen,control,value)\n    if screen == sc_main2\n    then\n        if control == 7 and value == 0\n        then\n            play_ video(\u2018a:\/Videos\/1.mp4\u2019\uff0c0)\n        end\n    end\nend\n```\n\n\u64ad\u653eU\u76d8\/SD\u5361\u89c6\u9891\n\n\u5982\u64ad\u653eU\u76d8\/SD\u6839\u76ee\u5f55\u4e0b\u7684\u201dtest.mp4\u201d\u89c6\u9891\uff0c\u5efa\u8bae\u521b\u5efa\u5168\u5c40\u53d8\u91cf\uff0c\u5728U\u76d8\/SD\u5361\u89e6\u53d1\u56de\u8c03\u4e2d\u83b7\u53d6\u76d8\u7b26\uff0c\u5982\u4e0b\u6240\u793a\n\n```\nlocal sd_dir  = ''\nlocal usb_dir = ''\n--\u7528\u6237\u901a\u8fc7\u89e6\u6478\u4fee\u6539\u63a7\u4ef6\u540e\uff0c\u6267\u884c\u6b64\u56de\u8c03\u51fd\u6570\n--\u70b9\u51fb\u6309\u94ae\u63a7\u4ef6\uff0c\u4fee\u6539\u6587\u672c\u63a7\u4ef6\u3001\u4fee\u6539\u6ed1\u52a8\u6761\u90fd\u4f1a\u89e6\u53d1\u6b64\u4e8b\u4ef6\nfunction on_control_notify(screen,control,value)\n    if screen == sc_main2\n    then\n        -- \u5047\u8bbe\u89c6\u9891\u63a7\u4ef6ID\u4e3a1\uff0c\u89c6\u9891\u63a7\u4ef6\u5f00\u542f\u901a\u77e5\u540e\uff0c\u64ad\u653e\u5b8c\u6bd5\u4f1a\u89e6\u53d1\u63a7\u4ef6\u56de\u8c03\u51fd\u6570\n        if control == 1 and value == 0   \n        then\n              --do user logic \n\n        elseif control == 2 and value == 0      -- \u6309\u94ae\u6309\u4e0b\u64ad\u53d1SD\u5361\u89c6\u9891\n        then\n            play_video(sd_dir..'\/'..'test.mp4', 0, 0, 480, 272)\n        elseif control == 3 and value == 0  -- \u6309\u94ae\u6309\u4e0b\u64ad\u53d1U\u76d8\u89c6\u9891\n        then\n             play_video(usb_dir..'\/'..'test.mp4', 0, 0, 480, 272)\n        end\n    end\nend\n-- \u7cfb\u7edf\u56de\u8c03\u51fd\u6570\uff0c\u63d2\u5165SD\u5361\u81ea\u52a8\u56de\u8c03\nfunction on_sd_inserted(dir)\n    sd_dir = dir \nend\n\n-- \u7cfb\u7edf\u56de\u8c03\u51fd\u6570\uff0c\u63d2\u5165SD\u5361\u81ea\u52a8\u56de\u8c03\nfunction on_sd_inserted(dir)\n    usb_dir = dir \nend\n```\n\n\u66f4\u591a\u5173\u4e8eLUA\u811a\u672c\u7684\u6587\u4ef6\u7684\u904d\u5386\u3001\u89c6\u9891\u63a7\u5236\u3001\u5faa\u73af\u64ad\u653e\u7b49\uff0c\u53ef\u53c2\u8003\u300a\u64ad\u653eSD\u5361\u89c6\u9891\u6587\u4ef6\u300b(\u70b9\u51fb\u8df3\u8f6c)\n\n#### stop_video()\n\n\u505c\u6b62\u89c6\u9891\u64ad\u653e\n\n---\n*modbus.cn*\n"