{"id":134,"date":"2013-01-21T12:53:22","date_gmt":"2013-01-21T04:53:22","guid":{"rendered":"http:\/\/ukonline2000.com\/?p=134"},"modified":"2013-01-21T12:54:58","modified_gmt":"2013-01-21T04:54:58","slug":"%e6%a0%91%e8%8e%93%e6%b4%be%e9%80%9a%e8%bf%87%e8%bd%af%e4%bb%b6%e5%ae%9e%e7%8e%b0gpio%e7%9a%84pwm%ef%bc%88pisoftpwm%ef%bc%89","status":"publish","type":"post","link":"http:\/\/ukonline2000.com\/?p=134","title":{"rendered":"\u6811\u8393\u6d3e\u901a\u8fc7\u8f6f\u4ef6\u5b9e\u73b0GPIO\u7684pwm\uff08PiSoftPwm\uff09"},"content":{"rendered":"<p>\u6811\u8393\u6d3e\u7684GPIO\u53ea\u6709\u4e00\u8def\u786c\u4ef6PWM\uff0c\u4f46\u662f\u65b0\u7248\u7684\u6811\u8393\u6d3e\u53c8\u628a\u8fd9\u4e2a\u7ba1\u811a\u66ff\u6362\u4e86\uff0c\u5bfc\u81f4\u5c31\u4e0d\u518d\u652f\u6301\u786c\u4ef6\u7684pwm\u4e86\uff0c\u6240\u4ee5\u8003\u8651\u7528\u8f6f\u4ef6\u6765\u5b9e\u73b0pwm\uff0c\u4e5f\u5c31\u662fsoftpwm\uff0c\u7a0b\u5e8f\u662f\u7528\u8001\u5916\u7684python\u6539\u7684\uff0c\u8fd9\u6837\u5c31\u80fd\u6bd4\u8f83\u65b9\u4fbf\u90a3\u4e9b\u9700\u8981\u7528\u6811\u8393\u6d3e\u63a7\u5236\u6b65\u8fdb\u7535\u673a\u6216\u8005\u9700\u8981pwm\u7684\u670b\u53cb\uff0c\u5e0c\u671b\u80fd\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\uff01\uff01\uff01<br \/>\n<object width=\"500\" height=\"375\" classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" codebase=\"http:\/\/download.macromedia.com\/pub\/shockwave\/cabs\/flash\/swflash.cab#version=6,0,40,0\" bgcolor=\"#ffffff\"><param name=\"src\" value=\"http:\/\/player.youku.com\/player.php\/sid\/XNTA0NzgzMzI4\/v.swf\" \/><param name=\"allownetworking\" value=\"internal\" \/><param name=\"allowscriptaccess\" value=\"never\" \/><param name=\"quality\" value=\"high\" \/><param name=\"wmode\" value=\"transparent\" \/><param name=\"allowfullscreen\" value=\"true\" \/><embed width=\"500\" height=\"375\" type=\"application\/x-shockwave-flash\" src=\"http:\/\/player.youku.com\/player.php\/sid\/XNTA0NzgzMzI4\/v.swf\" allownetworking=\"internal\" allowscriptaccess=\"never\" quality=\"high\" wmode=\"transparent\" allowfullscreen=\"true\" bgcolor=\"#ffffff\" \/><\/object><br \/>\n<object width=\"500\" height=\"375\" classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" codebase=\"http:\/\/download.macromedia.com\/pub\/shockwave\/cabs\/flash\/swflash.cab#version=6,0,40,0\" bgcolor=\"#ffffff\"><param name=\"src\" value=\"http:\/\/player.youku.com\/player.php\/sid\/XNTA0NzgzOTMy\/v.swf\" \/><param name=\"allownetworking\" value=\"internal\" \/><param name=\"allowscriptaccess\" value=\"never\" \/><param name=\"quality\" value=\"high\" \/><param name=\"wmode\" value=\"transparent\" \/><param name=\"allowfullscreen\" value=\"true\" \/><embed width=\"500\" height=\"375\" type=\"application\/x-shockwave-flash\" src=\"http:\/\/player.youku.com\/player.php\/sid\/XNTA0NzgzOTMy\/v.swf\" allownetworking=\"internal\" allowscriptaccess=\"never\" quality=\"high\" wmode=\"transparent\" allowfullscreen=\"true\" bgcolor=\"#ffffff\" \/><\/object><\/p>\n<p>\u4f7f\u7528\u88c5\u5907<br \/>\n1.\u6811\u8393\u6d3e\uff08512M\u7248\u672c\uff09<br \/>\n2.\u6811\u8393\u6d3e\u5168\u529f\u80fd\u6269\u5c55\u677f \uff08\u8be6\u89c1<a href=\"http:\/\/www.eeboard.com\/bbs\/forum.php?mod=viewthread&amp;tid=1372&amp;page=1&amp;extra=#pid4695\" target=\"_blank\">http:\/\/www.eeboard.com\/bbs\/forum.php?mod=viewthread&amp;tid=1372&amp;page=1&amp;extra=#pid4695<\/a>\uff09<br \/>\n3.diy\u8fc7\u7684\u6d41\u6c34\u706f<\/p>\n<p>\u64cd\u4f5c\u6b65\u9aa4\uff1a<\/p>\n<p>1.\u5b89\u88c5RPI.GPIO\u5e93\uff0c\u53c2\u8003\u5e16\u5b50<a href=\"http:\/\/ukonline2000.com\/?p=43\">http:\/\/ukonline2000.com\/?p=43<\/a><br \/>\n2.\u4e0b\u8f7dPiSoftPwm\u8f6f\u4ef6\uff0c\u5730\u5740<img decoding=\"async\" alt=\"\" src=\"http:\/\/www.eeboard.com\/bbs\/static\/image\/filetype\/zip.gif\" border=\"0\" \/>\u00a0<a href=\"http:\/\/www.eeboard.com\/bbs\/forum.php?mod=attachment&amp;aid=MTU5MDN8NmY2OTY3OTR8MTM1ODc0NDMzNnwxNTR8NzE3NA%3D%3D\" target=\"_blank\">PiSoftPwm.zip<\/a>\u00a0<em>(2.68 KB, \u4e0b\u8f7d\u6b21\u6570: 1)<\/em><br \/>\n3.\u62f7\u8d1d\u5230\u6811\u8393\u6d3e\u4e2d\uff0c\u5e76\u8fd0\u884c\u4f8b\u7a0b<\/p>\n<p>python example.py<\/p>\n<p>\u5907\u6ce8\uff1a\u4f8b\u7a0b\u662f\u9488\u5bf9512M\u7248\u672c\u7684\u6811\u8393\u6d3e\uff0c256M\u7248\u672c\u7684\u6811\u8393\u6d3e\uff0c\u8bf7\u6253\u5f00example.py\u6587\u4ef6\uff0c\u627e\u5230\u8fd9\u4e24\u884c<\/p>\n<p>third\u00a0 \u00a0= PiSoftPwm(0.01, 100, 27, GPIO.BCM)\u00a0\u00a0#for raspberry pi rev 2.0<\/p>\n<div><em>#third\u00a0 \u00a0= PiSoftPwm(0.01, 100, 21, GPIO.BCM)\u00a0\u00a0#for raspberry pi rev 1.0<\/em><\/div>\n<p>\u6539\u4e3a<\/p>\n<p>#third\u00a0 \u00a0= PiSoftPwm(0.01, 100, 27, GPIO.BCM)\u00a0\u00a0#for raspberry pi rev 2.0<\/p>\n<p>third\u00a0 \u00a0= PiSoftPwm(0.01, 100, 21, GPIO.BCM)\u00a0\u00a0#for raspberry pi rev 1.0<\/p>\n<div><em>\u00a0<\/em><\/div>\n<p>\u4f8b\u7a0b\u4e2d\u6709\u90e8\u5206\u51fd\u6570\u4f7f\u7528\u7684\u4ecb\u7ecd\uff0c\u4fee\u6539\u65f6\u53ef\u4ee5\u53c2\u8003<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6811\u8393\u6d3e\u7684GPIO\u53ea\u6709\u4e00\u8def\u786c\u4ef6PWM\uff0c\u4f46\u662f\u65b0\u7248\u7684\u6811\u8393\u6d3e\u53c8\u628a\u8fd9\u4e2a\u7ba1\u811a\u66ff\u6362\u4e86\uff0c\u5bfc\u81f4\u5c31\u4e0d &hellip; <a href=\"http:\/\/ukonline2000.com\/?p=134\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-134","post","type-post","status-publish","format-standard","hentry","category-raspberry-pi"],"_links":{"self":[{"href":"http:\/\/ukonline2000.com\/index.php?rest_route=\/wp\/v2\/posts\/134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/ukonline2000.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ukonline2000.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ukonline2000.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/ukonline2000.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=134"}],"version-history":[{"count":4,"href":"http:\/\/ukonline2000.com\/index.php?rest_route=\/wp\/v2\/posts\/134\/revisions"}],"predecessor-version":[{"id":138,"href":"http:\/\/ukonline2000.com\/index.php?rest_route=\/wp\/v2\/posts\/134\/revisions\/138"}],"wp:attachment":[{"href":"http:\/\/ukonline2000.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=134"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ukonline2000.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=134"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ukonline2000.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}