{"id":786,"date":"2020-03-12T13:53:36","date_gmt":"2020-03-12T05:53:36","guid":{"rendered":"https:\/\/www.block.tw\/blog\/?p=786"},"modified":"2020-03-13T13:40:07","modified_gmt":"2020-03-13T05:40:07","slug":"%e9%9f%b3%e6%a8%82%e7%9b%92%e6%9f%a5%e8%a1%a8%e6%b3%95-%e6%8c%87%e6%a8%99%e8%ae%8a%e6%95%b8","status":"publish","type":"post","link":"https:\/\/www.block.tw\/blog\/%e9%9f%b3%e6%a8%82%e7%9b%92%e6%9f%a5%e8%a1%a8%e6%b3%95-%e6%8c%87%e6%a8%99%e8%ae%8a%e6%95%b8\/","title":{"rendered":"\u97f3\u6a02\u76d2(\u67e5\u8868\u6cd5-\u6307\u6a19\u8b8a\u6578)"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>\/\/\u5587\u53ed\u63a7\u5236\u63a5\u8173 \nconst int speaker = 7;\n\/\/\u6a02\u66f2\u901f\u5ea6\nint tempo=250;\n\n\/\/\u4f4e\u97f3\u983b\u7387\u8868 lfreqs&#91;1]=>\u4f4e\u97f3Do\nint lfreqs&#91;] = {0,131,147,165,175,196,220,247};\n\/\/\u4e2d\u97f3\u983b\u7387\u8868 freqs&#91;1]=>Do\nint freqs&#91;] = {0,262,294,330,349,392,440,494};\n\/\/\u9ad88\u5ea6\u97f3\u983b\u7387\u8868 hfreqs&#91;1]=>\u9ad8\u97f3Do\nint hfreqs&#91;] = {0,523,587,659,698,784,880,988};\n\/\/\u9ad816\u5ea6\u97f3\u983b\u7387\u8868 shfreqs&#91;1]=>\u9ad816\u5ea6\u97f3Do\nint shfreqs&#91;] = {0,1046,1175,1318,1397,1568,1760,1976};\n\nfloat *s;\n\n\/\/\u5c0f\u871c\u8702\u6b4c\u66f2\nfloat song1&#91;]={\n              \/\/\u97f3\u968e,\u62cd\u5b50\n              \/\/\u9ad8\u97f3 10=>Do 20=>Re ...\n              \/\/\u4e2d\u97f3 1=>Do 2=>Re ...\n              \/\/\u4f4e\u97f3 0.1=>Do 0.2=>Re ...\n              \/\/0 \u4f11\u6b62\u7b26 \n\n              5,1,3,1,3,2,\n              4,1,2,1,2,2,\n              1,1,2,1,3,1,4,1,\n              5,1,5,1,5,2,\n\n              5,1,3,1,3,2,\n              4,1,2,1,2,2,\n              1,1,3,1,5,1,5,1,\n              3,3,0,1,\n\n              2,1,2,1,2,1,2,1,\n              2,1,3,1,4,2,\n\n              3,1,3,1,3,1,3,1,\n              3,1,4,1,5,2,\n\n              5,1,3,1,3,2,\n              4,1,2,1,2,2,\n              1,1,3,1,5,1,5,1,\n              1,4\n            };\nfloat song2&#91;]={\n              \/\/\u97f3\u968e,\u62cd\u5b50\n              5,1,3,1,3,2,\n              4,1,2,1,2,2,\n              1,1,2,1,3,1,4,1,\n              5,1,5,1,5,2,\n\n              5,1,3,1,3,2,\n              4,1,2,1,2,2,\n              1,1,3,1,5,1,5,1,\n              3,3,0,1,\n\n            };\n\n            \nvoid setup() {  \n  pinMode(speaker,OUTPUT);\n}\n\nvoid loop() {\n  int freq;\n  int num;\n\n  \/\/\u6e96\u5099\u6f14\u594f\u7b2c2\u9996\u6b4c\n  num=sizeof(song2)\/sizeof(float);\n  s=song2;\n\n  \/\/\u958b\u59cb\u8b80\u53d6\u8868\u683c\u4e2d\u7684\u6a02\u8b5c\uff0c\u958b\u59cb\u6f14\u594f\n  for(int i=0;i&lt;num;i+=2){    \n    if(*(s+i)>10){                  \/\/\u5224\u65b7\u662f\u4e0d\u662f\u9ad8\u97f3\n      \/\/\u8b80\u53d6\u9ad8\u97f3\u76f8\u5c0d\u61c9\u7684\u983b\u7387\n       freq=hfreqs&#91;int(*(s+i)\/10)];\n    }else if(*(s+i)&lt;1 &amp;&amp; *(s+i)>0){ \/\/\u5224\u65b7\u662f\u4e0d\u662f\u4f4e\u97f3\n      \/\/\u8b80\u53d6\u4f4e\u97f3\u76f8\u5c0d\u61c9\u7684\u983b\u7387\n       freq=lfreqs&#91;int(*(s+i)*10)];\n    }else{\n      \/\/\u8b80\u53d6\u4e2d\u97f3\u76f8\u5c0d\u61c9\u7684\u983b\u7387\n      freq=freqs&#91;int(*(s+i))];    \n    }\n    tone(speaker,freq,*(s+i+1)*tempo);  \n    delay(*(s+i+1)*tempo);\n    delay(tempo\/20);    \n  }  \n\n  \/\/\u6f14\u594f\u5b8c\u5c31\u505c\u6b62\n  while(1){\n    delay(1000);\n  }  \n\n}\n\n\n<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[15,27,28,30,29],"class_list":["post-786","post","type-post","status-publish","format-standard","hentry","category-mcu","tag-arduino","tag-music","tag-tone","tag-30","tag-29"],"gutentor_comment":0,"featured_image_urls":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":"","post-thumbnail":"","mesmerize-full-hd":""},"post_excerpt_stackable":"<p>\/\/\u5587\u53ed\u63a7\u5236\u63a5\u8173 const int speaker = 7; \/\/\u6a02\u66f2\u901f\u5ea6 int tempo=250; \/\/\u4f4e\u97f3\u983b\u7387\u8868 lfreqs&#91;1]=>\u4f4e\u97f3Do int lfreqs&#91;] =&#8230;<\/p>\n","category_list":"<a href=\"https:\/\/www.block.tw\/blog\/category\/mcu\/\" rel=\"category tag\">\u5fae\u8655\u7406\u6a5f<\/a>","author_info":{"name":"mcu","url":"https:\/\/www.block.tw\/blog\/author\/mcu\/"},"comments_num":"0 comments","featured_image_urls_v2":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":"","post-thumbnail":"","mesmerize-full-hd":""},"post_excerpt_stackable_v2":"<p>\/\/\u5587\u53ed\u63a7\u5236\u63a5\u8173 const int speaker = 7; \/\/\u6a02\u66f2\u901f\u5ea6 int tempo=250; \/\/\u4f4e\u97f3\u983b\u7387\u8868 lfreqs&#91;1]=>\u4f4e\u97f3Do int lfreqs&#91;] =&#8230;<\/p>\n","category_list_v2":"<a href=\"https:\/\/www.block.tw\/blog\/category\/mcu\/\" rel=\"category tag\">\u5fae\u8655\u7406\u6a5f<\/a>","author_info_v2":{"name":"mcu","url":"https:\/\/www.block.tw\/blog\/author\/mcu\/"},"comments_num_v2":"0 comments","_links":{"self":[{"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts\/786","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/comments?post=786"}],"version-history":[{"count":8,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts\/786\/revisions"}],"predecessor-version":[{"id":800,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts\/786\/revisions\/800"}],"wp:attachment":[{"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/media?parent=786"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/categories?post=786"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/tags?post=786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}