{"id":28311,"date":"2022-11-05T07:35:32","date_gmt":"2023-02-18T00:25:51","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8raspberry-pi%e7%9a%84scratch%e4%b8%ad%ef%bc%8c%e5%8f%91%e7%8e%b0%e4%ba%86%e4%b8%80%e7%a7%8d%e5%88%a9%e7%94%a8usb%e7%bd%91%e7%bb%9c%e6%91%84%e5%83%8f%e5%a4%b4%e7%9a%84%e6%96%b9%e6%b3%95\/"},"modified":"2025-08-12T07:29:23","modified_gmt":"2025-08-11T23:29:23","slug":"%e5%9c%a8raspberry-pi%e7%9a%84scratch%e4%b8%ad%ef%bc%8c%e5%8f%91%e7%8e%b0%e4%ba%86%e4%b8%80%e7%a7%8d%e5%88%a9%e7%94%a8usb%e7%bd%91%e7%bb%9c%e6%91%84%e5%83%8f%e5%a4%b4%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8raspberry-pi%e7%9a%84scratch%e4%b8%ad%ef%bc%8c%e5%8f%91%e7%8e%b0%e4%ba%86%e4%b8%80%e7%a7%8d%e5%88%a9%e7%94%a8usb%e7%bd%91%e7%bb%9c%e6%91%84%e5%83%8f%e5%a4%b4%e7%9a%84%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u5728Raspberry Pi\u7684Scratch\u4e2d\uff0c\u53d1\u73b0\u4e86\u4e00\u79cd\u5229\u7528USB\u7f51\u7edc\u6444\u50cf\u5934\u7684\u65b9\u6cd5\uff01"},"content":{"rendered":"

\u6211\u60f3\u5728\u6811\u8393\u6d3e\u7684Scratch\u4e2d\u8fdb\u884c\u5f55\u97f3\/\u64ad\u653e\uff01<\/h1>\n

\u6811\u8393\u6d3e\u73ed\u7684\u5b69\u5b50\u4eec\u559c\u6b22\u73a9Scratch\u3001Sonic Pi\u3001Minecraft\u7b49\u7b49\uff0c\u4f46\u4e00\u76f4\u60f3\u5728Scratch\u4e2d\u5f55\u97f3\/\u64ad\u653e\u97f3\u9891\uff0c\u5374\u59cb\u7ec8\u672a\u80fd\u5b9e\u73b0\u3002\u6211\u77e5\u9053\u53ef\u4ee5\u63d2\u5165USB\u58f0\u5361\u5e76\u8fde\u63a5\u9ea6\u514b\u98ce\u6765\u5b9e\u73b0\uff0c\u4f46\u6211\u4e0d\u77e5\u9053\u54ea\u4e2a\u9009\u62e9\u66f4\u597d\u3002<\/p>\n

USB\u7f51\u7edc\u6444\u50cf\u5934\u597d\u4e0d\u597d\uff1f<\/h2>\n

\u7531\u4e8e\u60f3\u8981\u62cd\u6444\u7167\u7247\uff0c\u6240\u4ee5\u9700\u8981\u76f8\u673a\u3002\u4f46\u662f\uff0c\u6811\u8393\u6d3e\u4e13\u7528\u76f8\u673a\u4ef7\u683c\u6602\u8d35\uff0c\u800c\u4e14\u7ebf\u7f06\u8106\u5f31\uff0c\u6240\u4ee5\u4e0d\u8003\u8651\u4e86\u3002\u5662\uff0c\u4e0e\u5176\u4e70\u58f0\u5361\u548c\u9ea6\u514b\u98ce\uff0c\u8fd8\u4e0d\u5982\u4e70USB\u7f51\u7edc\u6444\u50cf\u5934\u4fbf\u5b9c\u3002\u800c\u4e14\uff0c\u8fd8\u53ef\u4ee5\u5f55\u97f3\u5462\u3002\u4e00\u4e3e\u4e24\u5f97\u3002\u603b\u4e4b\uff0c\u5148\u4e70\u4e86\u8bd5\u8bd5\u770b\uff0c\u4f46\u662f\u603b\u662f\u62bd\u4e0d\u51fa\u65f6\u95f4\u6765\u3002<\/p>\n

https:\/\/www.logicool.co.jp\/ja-jp\/product\/hd-webcam-c270
\nhttps:\/\/www.logicool.co.jp\/ja-jp\/product\/hd-webcam-c310<\/p>\n

\u5728\u4f7f\u7528\u6807\u51c6\u97f3\u9891\u8f93\u51fa\u65f6\uff0c\u901a\u8fc7USB\u7f51\u7edc\u6444\u50cf\u5934\u8fdb\u884c\u5f55\u97f3\u662f\u5426\u56f0\u96be\uff1f<\/h2>\n

\u6700\u8fd1\u5f00\u59cb\u7814\u7a76\u97f3\u9891\u5408\u6210\u548c\u8bed\u97f3\u8bc6\u522b\u4e2d\u7684ALSA\u76f8\u5173\u5185\u5bb9\uff0c\u5e76\u4e14\u7528USB\u7f51\u7edc\u6444\u50cf\u5934\u4f5c\u4e3a\u9ea6\u514b\u98ce\u6548\u679c\u4e0d\u9519\u3002\u56e0\u6b64\uff0c\u6211\u51b3\u5b9a\u8ba4\u771f\u7740\u624b\u89e3\u51b3Scratch\u7684\u95ee\u9898\u3002<\/p>\n

\u7136\u800c\uff0c\u5728\u4e0d\u505c\u5730\u641c\u5bfb\u4e92\u8054\u7f51\u4e0a\u4e4b\u540e\uff0c\u6211\u5e76\u6ca1\u6709\u627e\u5230\u4e00\u4e2a\u4f7f\u7528USB\u7f51\u7edc\u6444\u50cf\u5934\u540c\u65f6\u5f55\u97f3\u5e76\u4f7f\u7528\u6807\u51c6\u97f3\u9891\u8f93\u51fa\u7684\u4f8b\u5b50\u3002\u6211\u8ddfRaspberry Pi\u57fa\u91d1\u4f1a\u6b63\u5728\u4e3aRaspberry Pi\u4e0a\u7684Scratch\u8fdb\u884c\u5927\u91cf\u7ef4\u62a4\/\u4fee\u6539\u7684Tim Rowledge\u5148\u751f\u8fdb\u884c\u4e86\u4ea4\u6d41\uff0c\u4f46\u662f\u5728\u8bbe\u7f6eALSA\u65f6\u4ed6\u4f3c\u4e4e\u9677\u5165\u4e86\u56f0\u60d1\uff01\u5728\u8bba\u575b\u7b49\u5730\u65b9\uff0c\u4f3c\u4e4e\u5168\u4e16\u754c\u7684\u4eba\u90fd\u9047\u5230\u8fd9\u4e2a\u95ee\u9898\uff1f<\/p>\n

\"no<\/div>\n

\u6240\u4ee5\uff0c\u65e2\u7136Scratch\u548cSqueak\u90fd\u662f\u5f00\u6e90\u7684\uff0c\u4f60\u53ef\u4ee5\u968f\u610f\u4f7f\u7528\u3002\u5f53\u542c\u5230\u8fd9\u53e5\u8bdd\u65f6\uff0c\u6211\u8fdb\u5165\u4e86\u6df1\u6df1\u7684ALSA\u914d\u7f6e\u68ee\u6797\u3002\u3002\u3002\u3002\u3002\u3002\u6211\u4ee5\u4e3a\u6211\u5b8c\u4e86\uff0c\u8981\u9047\u96be\u4e86\u3002\u4f46\u662f\uff0c\u60f3\u4e0d\u5230\u6211\u6210\u529f\u4e86\uff01<\/p>\n

ALSA\u7684\u795e\u79d8\u914d\u7f6e<\/h2>\n

\u5c06\u9ed8\u8ba4\u7684\u201c\u64ad\u653e\u201d\u8bbe\u4e3a\u9ed8\u8ba4\u97f3\u9891\u8f93\u51fa\uff0c\u4fdd\u6301\u5176\u4e3a0\u53f7\u58f0\u5361\uff08ALSA\u672f\u8bed\uff09\uff0c\u5c06USB\u7f51\u7edc\u6444\u50cf\u5934\u7684\u9ea6\u514b\u98ce\u8bbe\u4e3a\u9ed8\u8ba4\u5f55\u97f3\u8bbe\u5907\uff0c\u5e76\u6307\u5b9a\u4e3a1\u53f7\u58f0\u5361\uff0c\u8fd9\u662f\u4e00\u4e2a\u5de7\u5999\u7684\u7ec4\u5408\u3002\u6ca1\u6709\u5fc5\u8981\u7279\u522b\u8bbe\u7f6e\u63a7\u5236\u9009\u9879\u3002\u800c\u4e14\uff0c\u4e5f\u4e0d\u9700\u8981\u5e38\u89c1\u7684\u4ea4\u6362\u9a71\u52a8\u7a0b\u5e8f\u52a0\u8f7d\u987a\u5e8f\u7684\u7b56\u7565\u3002<\/p>\n

Scratch\u5728\u5ba1\u89c6\u7cfb\u7edf\u7684\u9ed8\u8ba4\u8f93\u5165\u8f93\u51fa\u3002\u56e0\u6b64\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u9700\u8981\u4f7f\u7528type asym\u7684\u7ec4\u5408\u6280\u5de7\u3002<\/p>\n

\u7528nano\u547d\u4ee4\u7f16\u8f91~\/.asoundrc\u6587\u4ef6\u3002<\/p>\n

pcm.!default {\r\n    type asym\r\n    playback.pcm {\r\n        type hw\r\n        card 0\r\n    }\r\n    capture.pcm {\r\n        type hw\r\n        card 1\r\n    }\r\n}\r\n\r\nctl.!default {\r\n    type hw\r\n    card 0\r\n}\r\n<\/code><\/pre>\n
\u8fd9\u4e2a\u6587\u4ef6\u53ef\u4ee5\u81ea\u52a8\u91cd\u65b0\u751f\u6210\uff0c\u800c\u4e14\u5728\u67d0\u4e9b\u73af\u5883\u4e0b\uff0c\u5b83\u4f1a\u4ee5\u4e00\u79cd\u5947\u602a\u7684\u65b9\u5f0f\u81ea\u52a8\u8ffd\u52a0\u4e00\u4e2a\u6a21\u677f\u5230\u4f60\u7cbe\u5fc3\u7f16\u5199\u7684\u8bbe\u7f6e\u4e2d\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u901a\u8fc7\u4f7f\u7528chmod 444\u6307\u4ee4\u53ef\u4ee5\u786e\u4fddpi\u7528\u6237\u65e0\u6cd5\u4fee\u6539\u5b83\u3002\uff082018-1-30\u8865\u5145\uff1atype asm\u88ab\u66f4\u6539\u4e3atype hw\uff0c\u5bfc\u81f4\u51fa\u73b0\u4e86\u4e00\u4e9b\u5947\u602a\u7684\u884c\u4e3a\u3002\u539f\u56e0\u4e0d\u660e\uff0c\u53ef\u80fd\u662f\u56e0\u4e3a\u4e4b\u524d\u7684\u73af\u5883\u4e2d\u6ca1\u6709\u6267\u884cchmod 444\u6307\u4ee4\u3002\uff09<\/p>\n
\u5728\u7ec8\u7aef\u4e0a\u8fd0\u884c Alsa Mixer\uff0c\u8c03\u6574\u97f3\u91cf\u540e\uff0c\u8036\uff01\u53ef\u4ee5\u5f55\u97f3\u4e86\u3002<\/p>\n
\"PreviewScreenSnapz006.png\"<\/div>\n
USB\u30a6\u30a7\u30d6\u30ab\u30e1\u30e9\u3067\u5199\u771f\u3082\u64ae\u308a\u305f\u3044\u3002<\/h2>\n
\u3055\u3066\u3001\u3053\u3061\u3089\u306e\u65b9\u304c\u5148\u306b\u3067\u304d\u3066\u3044\u307e\u3057\u305f\u3002\u3082\u3057\u304b\u3059\u308b\u3068\u4f55\u3082\u3057\u306a\u3044\u3067\u3082\u4f7f\u3048\u3066\u3044\u305f\u304b\u3082\u3002Scratch\u3067\u30b3\u30b9\u30c1\u30e5\u30fc\u30e0\u306e\u30bf\u30d6\u3092\u958b\u304f\u3068\u3001\u306a\u3093\u3068\u3000[\u30ab\u30e1\u30e9]\u30dc\u30bf\u30f3\u51fa\u73fe\u3002\u65b0\u3057\u3044\u30b3\u30b9\u30c1\u30e5\u30fc\u30e0\u3068\u3057\u3066\u64ae\u3063\u305f\u5199\u771f\u3092\u4f7f\u3048\u307e\u3059\u3002<\/p>\n
\"PreviewScreenSnapz007.png\"<\/div>\n
\"PreviewScreenSnapz010.png\"<\/div>\n
\u8fd8\u6709\u4e00\u79cd\u7528\u6cd5\u662f\uff0c\u5728\u811a\u672c\u4e2d\u5148\u901a\u8fc7\u53d1\u9001[( gpioserveron )]\u6765\u542f\u52a8GPIO\u670d\u52a1\u5668\uff0c\u7136\u540e\u901a\u8fc7\u53d1\u9001[( photo )]\u5757\u6765\u62cd\u6444\u7167\u7247\u7684\u65b9\u6cd5\u3002<\/p>\n
\"FinderScreenSnapz006.png\"<\/div>\n
\u5728\u6811\u8393\u6d3e\u57fa\u91d1\u4f1a\u7684\u9875\u9762\u4e0a\u4e5f\u6709\u89e3\u91ca\u3002”Scratch GPIO”
\nhttps:\/\/www.raspberrypi.org\/documentation\/usage\/gpio\/scratch1\/README.md
\n\u5f53\u7136\uff0c\u8fd9\u4e2a\u9875\u9762\u4e5f\u6709Tim Rowledge\u5148\u751f\u7684\u8d21\u732e\u3002<\/p>\n
\uff08\u8ffd\u8a18\uff1a2019-02-20\uff09
\n\u9664\u4e86\u963b\u6b62\u53d1\u9001 [(photo)] \u8fd9\u6837\u7684\u5757\u4e4b\u5916\uff0c\u8fd8\u53ef\u4ee5\u6307\u5b9a\u53d1\u9001 [(photo640@480)] \u8fd9\u6837\u7684\u5927\u5c0f\u3002\u6ce8\u610f\uff01\uff1a\u5982\u679c\u9009\u62e9\u4e00\u4e2a\u592a\u5927\u7684\u5c3a\u5bf8\uff0c\u53ef\u80fd\u4f1a\u82b1\u8d39\u5f88\u957f\u65f6\u95f4 = \u5d29\u6e83\u3002<\/p>\n
Scratch\u4ee5\u5916\u306b\u3082\u4f7f\u3048\u308b\u306e\u3067\u30e9\u30ba\u30d1\u30a4\u8ca1\u56e3\u306e\u300cUSING A STANDARD USB WEBCAM\u300d\u30da\u30fc\u30b8\u3092\u307f\u3066\u3001fswebcam\u3068\u3044\u3046\u30c4\u30fc\u30eb\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304a\u304d\u307e\u3059\u3002
\nhttps:\/\/www.raspberrypi.org\/documentation\/usage\/webcams\/<\/p>\n
sudo apt-get install fswebcam\r\n<\/code><\/pre>\n
\u4ee5\u4e0a\uff01<\/p>\n
\u53c2\u8003\u9875\u9762
\n\u9ad8\u7ea7Linux\u58f0\u97f3\u67b6\u6784\/\u6545\u969c\u6392\u9664
\n2.2 \u8bbe\u7f6e\u9ed8\u8ba4\u7684\u9ea6\u514b\u98ce\/\u6355\u83b7\u8bbe\u5907
\nhttps:\/\/wiki.archlinux.org\/index.php\/Advanced_Linux_Sound_Architecture\/Troubleshooting#\u8bbe\u7f6e\u9ed8\u8ba4\u9ea6\u514b\u98ce\u6216\u6355\u83b7\u8bbe\u5907<\/p>\n","protected":false},"excerpt":{"rendered":"
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