{"id":569,"date":"2019-03-22T06:51:00","date_gmt":"2019-03-21T22:51:00","guid":{"rendered":"https:\/\/momosan.cc\/?p=569"},"modified":"2021-05-17T12:21:00","modified_gmt":"2021-05-17T04:21:00","slug":"569","status":"publish","type":"post","link":"https:\/\/momosan.cc\/?p=569","title":{"rendered":"Raspberry Pi Zero (w)\u4f7f\u7528i2s\u8f93\u51fa\u97f3\u9891"},"content":{"rendered":"<p>\u6700\u8fd1\u53c2\u52a0\u6bd4\u8d5b \u60f3\u7528rpi0w\u505a\u4e00\u4e2a\u667a\u80fd\u97f3\u7bb1 \u7136\u800czero\u9664\u4e86hdmi\u4e4b\u5916\u662fanalog audio output\u7684<br \/>\u4e8e\u662f\u7ffb\u7bb1\u5012\u67dc\u627e\u5230\u4e2aPCM5102A\u7684i2s dac\uff08\u97f3\u8d28\u5f88\u4e00\u822c\uff09<br \/>\u4e0d\u591a\u8bf4 \u4e0b\u9762\u662f\u8bb0\u5f55<br \/><img decoding=\"async\" src=\"https:\/\/momosan.cc\/usr\/uploads\/2019\/03\/2846226911.jpg\" alt=\"IMG_20190322_150156-min.jpg\" title=\"IMG_20190322_150156-min.jpg\"><br \/>\u5bf9\u7740rpi\u5c1d\u8bd5\u4e86\u4e00\u4e0b\u4eba\u50cf\u6a21\u5f0f\u3010\u8bef<\/p>\n<hr \/>\n<p>\u9996\u5148\u662f\u63a5\u7ebf<br \/><img decoding=\"async\" src=\"https:\/\/momosan.cc\/usr\/uploads\/2019\/03\/2471122769.jpg\" alt=\"Oj8z8m.jpg\" title=\"Oj8z8m.jpg\"><br \/>\u6ce8\u610frpi\u7684i2s\u6ca1\u6709MCLK\u65f6\u949f\u8f93\u51fa&#8230;\u6240\u4ee5\u8981\u7528\u81ea\u5e26\u65f6\u949f\u7684DAC<\/p>\n<p>\u8f6f\u4ef6\u65b9\u9762 rpi0\u5b89\u88c5\u6700\u65b0\u7684raspbian lite \u5e76apt upgrade\u4e4b\u540e<br \/>\u7f16\u8f91\/boot\/config.txt: <br \/><code>sudo vim \/boot\/config.txt<\/code><br \/><img decoding=\"async\" src=\"https:\/\/momosan.cc\/usr\/uploads\/2019\/03\/3125883778.png\" alt=\"TIM\u622a\u56fe20190322151706.png\" title=\"TIM\u622a\u56fe20190322151706.png\"><br \/>\u6ce8\u91ca\u6389dtparam=audio=on\uff0c\u6dfb\u52a0\u5982\u4e0b\uff1a<br \/><code>dtoverlay=hifiberry-dac<\/code><br \/><code>dtoverlay=i2s-mmap<\/code><br \/>\u4fdd\u5b58\u3002\u521b\u5efa\u65b0\u6587\u4ef6 \/etc\/asound.conf\uff0c\u6dfb\u52a0\u5982\u4e0b\u5185\u5bb9<br \/><img decoding=\"async\" src=\"https:\/\/momosan.cc\/usr\/uploads\/2019\/03\/2306279711.png\" alt=\"TIM\u622a\u56fe20190322152210.png\" title=\"TIM\u622a\u56fe20190322152210.png\"><br \/>\u4fdd\u5b58\uff0c\u91cd\u542f\u3002<br \/><img decoding=\"async\" src=\"https:\/\/momosan.cc\/usr\/uploads\/2019\/03\/3690782537.png\" alt=\"TIM\u622a\u56fe20190322152924.png\" title=\"TIM\u622a\u56fe20190322152924.png\"><br \/>\u53ef\u4ee5\u770b\u89c1alsamixer\u91cc\u5df2\u7ecf\u6709\u58f0\u5361\u8bbe\u5907\u4e86\uff08\u6ca1\u6709software volume control\uff0c\u4e5f\u5f71\u54cd\u97f3\u8d28\uff0c\u97f3\u91cf\u5728amplifier\u90a3\u8fb9\u8c03\uff09<br \/><img decoding=\"async\" src=\"https:\/\/momosan.cc\/usr\/uploads\/2019\/03\/25848244.png\" alt=\"TIM\u622a\u56fe20190322153056.png\" title=\"TIM\u622a\u56fe20190322153056.png\"><br \/>\u6234\u4e0a\u8033\u673a\u6d4b\u8bd5\u4e00\u4e0b \u9b3c\u755cmode on!!!<br \/>\u4e8e\u662f\u5df2\u7ecf\u53ef\u4ee5\u4ecei2s\u8f93\u51fa\u97f3\u9891\u4e86w<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u53c2\u52a0\u6bd4\u8d5b \u60f3\u7528rpi0w\u505a\u4e00\u4e2a\u667a\u80fd\u97f3\u7bb1 \u7136\u800czero\u9664\u4e86hdmi\u4e4b\u5916\u662fanalog audio  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_jetpack_memberships_contains_paid_content":false},"categories":[26],"tags":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/momosan.cc\/index.php?rest_route=\/wp\/v2\/posts\/569"}],"collection":[{"href":"https:\/\/momosan.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/momosan.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/momosan.cc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/momosan.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=569"}],"version-history":[{"count":1,"href":"https:\/\/momosan.cc\/index.php?rest_route=\/wp\/v2\/posts\/569\/revisions"}],"predecessor-version":[{"id":668,"href":"https:\/\/momosan.cc\/index.php?rest_route=\/wp\/v2\/posts\/569\/revisions\/668"}],"wp:attachment":[{"href":"https:\/\/momosan.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=569"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/momosan.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=569"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/momosan.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=569"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}