{"id":1461,"date":"2020-08-24T17:54:10","date_gmt":"2020-08-24T09:54:10","guid":{"rendered":"https:\/\/www.tansoo.cn\/?p=1461"},"modified":"2020-08-24T17:54:10","modified_gmt":"2020-08-24T09:54:10","slug":"phpbb-43","status":"publish","type":"post","link":"https:\/\/www.tansoo.cn\/?p=1461","title":{"rendered":"\u6811\u8393\u6d3e3B+ wiringPi\u5e93\u7684\u4f7f\u7528–\u786c\u4ef6PWM"},"content":{"rendered":"

https:\/\/blog.csdn.net\/zhuming3834\/artic … s\/82427641<\/a><\/p>\n

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Code: <\/strong>[\u5168\u9009]<\/a> [Expand\/Collapse]<\/a><\/div>\n
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  1. \n
    #include <wiringPi.h><\/span><\/div>\n<\/li>\n
  2. \n
    #define pwm_pin 1    \/\/\u5b9a\u4e49PWM\u5f15\u811a GPIO.1<\/span><\/div>\n<\/li>\n
  3. \n
    int<\/span> main (<\/span>void<\/span>)<\/span><\/div>\n<\/li>\n
  4. \n
    {<\/span><\/div>\n<\/li>\n
  5. \n
        wiringPiSetup (<\/span>)<\/span>;<\/span>               \/\/ wiringPi\u5e93\u521d\u59cb\u5316<\/span><\/div>\n<\/li>\n
  6. \n
        pinMode (<\/span>pwm_pin,<\/span> PWM_OUTPUT)<\/span>;<\/span>   \/\/ \u8bbe\u7f6eGPIO.1\u4e3aPWM\u8f93\u51fa    <\/span><\/div>\n<\/li>\n
  7. \n
        int<\/span> val =<\/span> 0<\/span>;<\/span><\/div>\n<\/li>\n
  8. \n
        while<\/span>(<\/span>1<\/span>)<\/span><\/div>\n<\/li>\n
  9. \n
        {<\/span><\/div>\n<\/li>\n
  10. \n
          val ++;<\/span><\/div>\n<\/li>\n
  11. \n
          if<\/span>(<\/span>val >=<\/span> 1024<\/span>)<\/span>{<\/span><\/div>\n<\/li>\n
  12. \n
            val =<\/span> 0<\/span>;<\/span><\/div>\n<\/li>\n
  13. \n
          }<\/span><\/div>\n<\/li>\n
  14. \n
          pwmWrite(<\/span>pwm_pin,<\/span>val)<\/span>;<\/span> \/\/ \u8f93\u51fa\u5360\u7a7a\u6bd4\u4e3aval\/1024\u7684pwm\u6ce2<\/span><\/div>\n<\/li>\n
  15. \n
          delay(<\/span>10<\/span>)<\/span>;<\/span> \/\/ \u5ef6\u65f63\u6beb\u79d2<\/span><\/div>\n<\/li>\n
  16. \n
      }<\/span><\/div>\n<\/li>\n
  17. \n
      return<\/span> 0<\/span> ;<\/span><\/div>\n<\/li>\n
  18. \n
    }<\/span> <\/div>\n<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n
    GeSHi © Codebox Plus Extension<\/div>\n<\/div>\n

    \u539f\u6587\u4f5c\u8005: BG6RSH | \u67e5\u770b\u539f\u5e16<\/a><\/small><\/p>\n","protected":false},"excerpt":{"rendered":"

    https:\/\/blog.csdn.net\/zhuming3834\/artic … \u7ee7\u7eed\u9605\u8bfb →<\/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":[105],"tags":[],"class_list":["post-1461","post","type-post","status-publish","format-standard","hentry","category-105"],"_links":{"self":[{"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/posts\/1461","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1461"}],"version-history":[{"count":0,"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/posts\/1461\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1461"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1461"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1461"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}