{"id":5445,"date":"2014-12-26T18:59:24","date_gmt":"2014-12-26T09:59:24","guid":{"rendered":"http:\/\/www.kayakersweb.org\/sueblog\/?p=5445"},"modified":"2014-12-27T09:12:16","modified_gmt":"2014-12-27T00:12:16","slug":"%e3%83%96%e3%83%ac%e3%83%83%e3%83%89%e3%83%9c%e3%83%bc%e3%83%89%e8%b2%b7%e3%81%a3%e3%81%a6%e3%81%bf%e3%81%9f%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.kayakersweb.org\/sueblog\/2014\/12\/26\/5445\/","title":{"rendered":"\u30d6\u30ec\u30c3\u30c9\u30dc\u30fc\u30c9\u8cb7\u3063\u3066\u307f\u305f\u3002"},"content":{"rendered":"<p>raspberry pi \u3067\u4f55\u304b\u3057\u3088\u3046\u3068 \u30d6\u30ec\u30c3\u30c9\u30dc\u30fc\u30c9\u8cb7\u3063\u3066\u307f\u305f\u3002<br \/>\n<a href=\"http:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141226_181657.jpg\"><img decoding=\"async\" loading=\"lazy\" src=\"http:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141226_181657-300x300.jpg\" alt=\"wpid-img_20141226_181657.jpg\" width=\"300\" height=\"300\" class=\"aligncenter size-medium wp-image-5453\" srcset=\"https:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141226_181657-300x300.jpg 300w, https:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141226_181657-150x150.jpg 150w, https:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141226_181657-600x600.jpg 600w, https:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141226_181657.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<div align=\"center\"><iframe src=\"http:\/\/rcm-fe.amazon-adsystem.com\/e\/cm?lt1=_blank&#038;bc1=000000&#038;IS2=1&#038;nou=1&#038;bg1=FFFFFF&#038;fc1=000000&#038;lc1=0000FF&#038;t=shirokumaweb-22&#038;o=9&#038;p=8&#038;l=as4&#038;m=amazon&#038;f=ifr&#038;ref=ss_til&#038;asins=B00K965MMG\" style=\"width:120px;height:240px;\" scrolling=\"no\" marginwidth=\"0\" marginheight=\"0\" frameborder=\"0\"><\/iframe><\/div>\n<p>LED \u304c\u3064\u3044\u3066\u304d\u305f\u306e\u3067\u3061\u3087\u3063\u3068\u904a\u3076\u3002<br \/>\n<a href=\"http:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141226_181525.jpg\"><img decoding=\"async\" loading=\"lazy\" src=\"http:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141226_181525-300x300.jpg\" alt=\"wpid-img_20141226_181525.jpg\" width=\"300\" height=\"300\" class=\"aligncenter size-medium wp-image-5454\" srcset=\"https:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141226_181525-300x300.jpg 300w, https:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141226_181525-150x150.jpg 150w, https:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141226_181525-600x600.jpg 600w, https:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141226_181525.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>PiScreen \u304c\u3064\u3044\u3066\u3044\u3066\u4f7f\u308f\u306a\u3044 Pin \u306e GND, GPIO4, GPIO18, GPIO27, GPIO23 \u304c\u8868\u306b\u3067\u3066\u308b\u306e\u3067\u3068\u308a\u3042\u3048\u305a\u305d\u308c\u3067\u904a\u3076\u3002<\/p>\n<p>gpio \u3063\u3066\u30b3\u30de\u30f3\u30c9\u4f7f\u3046\u3089\u3057\u3044\u3002<br \/>\n[code]<br \/>\npi@raspberrypi ~ $ gpio<br \/>\nUsage: gpio -v<br \/>\n       gpio -h<br \/>\n       gpio [-g|-1] [-x extension:params] &#8230;<br \/>\n       gpio [-p] &lt;read\/write\/wb&gt; &#8230;<br \/>\n       gpio &lt;read\/write\/aread\/awritewb\/pwm\/clock\/mode&gt; &#8230;<br \/>\n       gpio readall\/reset<br \/>\n       gpio unexportall\/exports<br \/>\n       gpio export\/edge\/unexport &#8230;<br \/>\n       gpio wfi &lt;pin&gt; &lt;mode&gt;<br \/>\n       gpio drive &lt;group&gt; &lt;value&gt;<br \/>\n       gpio pwm-bal\/pwm-ms<br \/>\n       gpio pwmr &lt;range&gt;<br \/>\n       gpio pwmc &lt;divider&gt;<br \/>\n       gpio load spi\/i2c<br \/>\n       gpio i2cd\/i2cdetect<br \/>\n       gpio gbr &lt;channel&gt;<br \/>\n       gpio gbw &lt;channel&gt; &lt;value&gt;<br \/>\n[\/code]<br \/>\n\u3061\u3083\u3093\u3068\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u305f\u3002<\/p>\n<p>\u51fa\u529b\u306b\u30e2\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u3002<br \/>\n[code]<br \/>\ngpio -g mode 4 out<br \/>\ngpio -g mode 18 out<br \/>\ngpio -g mode 27 out<br \/>\ngpio -g mode 23 out<br \/>\n[\/code]<\/p>\n<p>\u5168\u90e8\u70b9\u3051\uff01<br \/>\n[code]<br \/>\ngpio -g write 4 1<br \/>\ngpio -g write 18 1<br \/>\ngpio -g write 27 1<br \/>\ngpio -g write 23 1<br \/>\n[\/code]<br \/>\n<a href=\"http:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141226_181212.jpg\"><img decoding=\"async\" loading=\"lazy\" src=\"http:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141226_181212-300x300.jpg\" alt=\"wpid-img_20141226_181212.jpg\" width=\"300\" height=\"300\" class=\"aligncenter size-medium wp-image-5455\" srcset=\"https:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141226_181212-300x300.jpg 300w, https:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141226_181212-150x150.jpg 150w, https:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141226_181212-600x600.jpg 600w, https:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141226_181212.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\n\u4e2d\u306e\u4e8c\u3064\u6d88\u3048\u308d\uff01<br \/>\n[code]<br \/>\ngpio -g write 4 1<br \/>\ngpio -g write 18 0<br \/>\ngpio -g write 27 0<br \/>\ngpio -g write 23 1<br \/>\n[\/code]<br \/>\n<a href=\"http:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141227_090516.jpg\"><img decoding=\"async\" loading=\"lazy\" src=\"http:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141227_090516-300x300.jpg\" alt=\"wpid-img_20141227_090516.jpg\" width=\"300\" height=\"300\" class=\"aligncenter size-medium wp-image-5463\" srcset=\"https:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141227_090516-300x300.jpg 300w, https:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141227_090516-150x150.jpg 150w, https:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141227_090516-600x600.jpg 600w, https:\/\/www.kayakersweb.org\/sueblog\/wp-content\/uploads\/2014\/12\/wpid-img_20141227_090516.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3059\u308b\u304b&#8230;\u521d\u3081\u3066 Python \u4f7f\u3046\u305e\u3002<br \/>\n<a href=\"http:\/\/www.raspberrypi.org\/learning\/quick-reaction-game\/\">Raspberry Pi Learning Resources<\/a>\u3092\u53c2\u8003\u306b\u3059\u308b\u3002<\/p>\n<p>[code]<br \/>\nimport RPi.GPIO as GPIO<br \/>\nimport time<\/p>\n<p>led = 23<br \/>\nGPIO.setmode(GPIO.BOARD)<br \/>\nGPIO.setup(led, GPIO.OUT)<\/p>\n<p>GPIO.output(led, 1)<br \/>\ntime.sleep(5)<br \/>\nGPIO.output(led, 0)<\/p>\n<p>GPIO.cleanup()<br \/>\n[\/code]<br \/>\n\u66f8\u3044\u3066 led_test.py \u3067\u4fdd\u5b58\u3057\u3066\u5b9f\u884c\u3057\u3066\u307f\u308b\u3002<\/p>\n<p>[code]<br \/>\npi@raspberrypi ~ $ python led_test.py<br \/>\nTraceback (most recent call last):<br \/>\n  File &amp;amp;quot;led_test.py&amp;amp;quot;, line 8, in &amp;amp;lt;module&amp;amp;gt;<br \/>\n    GPIO.setup(led, GPIO.OUT)<br \/>\nRuntimeError: No access to \/dev\/mem.  Try running as root!<br \/>\n[\/code]<br \/>\n\u6012\u3089\u308c\u305f\u3002pi \u3055\u3093\u306f\u6a29\u9650\u304c\u306a\u304f\u3066\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u3089\u3057\u3044\u3002<br \/>\n\u306a\u3089\u3070<br \/>\n[code]<br \/>\npi@raspberrypi ~ $ sudo python led_test.py<br \/>\nled_test.py:8: RuntimeWarning: This channel is already in use, continuing anyway.  Use GPIO.setwarnings(False) to disable warnings.<br \/>\n  GPIO.setup(led, GPIO.OUT)<br \/>\npi@raspberrypi ~\/python $ sudo python led_test.py<br \/>\n[\/code]<br \/>\n\u307e\u305f\u6012\u3089\u308c\u305f\u3002\u65e2\u306b\u4f7f\u308f\u308c\u3066\u308b\u3063\u3066&#8230;.\u3046\u3093\u3001\u78ba\u304b\u306b\u3055\u3063\u304d\u4f7f\u3063\u305f\u3002<br \/>\n[code]<br \/>\npi@raspberrypi ~ $ gpio unexportall<br \/>\n[\/code]<br \/>\n\u3067\u3044\u3044\u306e\u304b\u306a\u3002<br \/>\n\u3067\u3001\u30a8\u30e9\u30fc\u306f\u3067\u306a\u304f\u306a\u3063\u305f\u3051\u3069\u70b9\u304b\u306a\u3044\u305e\u3002<br \/>\n\u306a\u3089 27 \u306f\uff1f\u3068\u601d\u3063\u305f\u3089<br \/>\n[code]<br \/>\npi@raspberrypi ~\/ $ sudo python led_test.py<br \/>\nTraceback (most recent call last):<br \/>\n  File &amp;amp;quot;led_test.py&amp;amp;quot;, line 8, in &amp;amp;lt;module&amp;amp;gt;<br \/>\n    GPIO.setup(led, GPIO.OUT)<br \/>\nValueError: The channel sent is invalid on a Raspberry Pi<br \/>\n[\/code]<br \/>\n\u306a\u3093\u3066\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u3002<br \/>\n\u756a\u53f7\u306a\u306b\u304b\u9055\u3046\u3063\u307d\u3044\u3002<\/p>\n<p>gpio \u30b3\u30de\u30f3\u30c9\u306f gpio \u756a\u53f7\u3092\u6307\u5b9a\u3059\u308b\u3051\u3069\u3001Python \u3067\u306f Pin \u756a\u53f7\u3092\u6307\u5b9a\u3059\u308b\u3088\u3046\u3067\u3059\u3002<br \/>\n\u306a\u306e\u3067\u3001GPIO4 \u306a\u3089 7 \u3092\u3001GPIO18 \u306a\u3089 12 \u3092\u3001GPIO27 \u306a\u3089 13 \u3092, GPIO23 \u306a\u3089 16 \u3092\u6307\u5b9a\u3059\u308c\u3070\u3044\u3044\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u70b9\u304f\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u305f\u306e\u3067&#8230;<br \/>\n[code]<br \/>\nimport RPi.GPIO as GPIO<br \/>\nimport random<br \/>\nimport time<\/p>\n<p>GPIO.setmode(GPIO.BOARD)<\/p>\n<p>leds = [7,12,13,16]<br \/>\nonff = [0,0,0,0]<\/p>\n<p>for led in leds:<br \/>\n        GPIO.setup(led, GPIO.OUT)<\/p>\n<p>for i in range (1,30):<br \/>\n        led = int(random.random()*16)<br \/>\n        j = 0<br \/>\n        if led &amp; 2**j:<br \/>\n                onff[j]=1-onff[j]<br \/>\n                GPIO.output(leds[j], onff[j])<br \/>\n        j = 1<br \/>\n        if led &amp; 2**j:<br \/>\n                onff[j]=1-onff[j]<br \/>\n                GPIO.output(leds[j], onff[j])<br \/>\n        j = 2<br \/>\n        if led &amp; 2**j:<br \/>\n                onff[j]=1-onff[j]<br \/>\n                GPIO.output(leds[j], onff[j])<br \/>\n        j = 3<br \/>\n        if led &amp; 2**j:<br \/>\n                onff[j]=1-onff[j]<br \/>\n                GPIO.output(leds[j], onff[j])<br \/>\n        time.sleep(random.uniform(1, 2))<\/p>\n<p>GPIO.cleanup()<br \/>\n[\/code]<br \/>\n\u3059\u304e\u3061\u3083\u3063\u305f\u3051\u3069\u3001\u3061\u3087\u3063\u3068\u30af\u30ea\u30b9\u30de\u30b9\u3063\u307d\u304f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>raspberry pi \u3067\u4f55\u304b\u3057\u3088\u3046\u3068 \u30d6\u30ec\u30c3\u30c9\u30dc\u30fc\u30c9\u8cb7\u3063\u3066\u307f\u305f\u3002 LED \u304c\u3064\u3044\u3066\u304d\u305f\u306e\u3067\u3061\u3087\u3063\u3068\u904a\u3076\u3002 PiScreen \u304c\u3064\u3044\u3066\u3044\u3066\u4f7f\u308f\u306a\u3044 Pin \u306e GND, GPIO4, GPIO18, GPIO27, G [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[58,32],"tags":[],"class_list":["post-5445","post","type-post","status-publish","format-standard","hentry","category-raspberrypi","category-shopping"],"_links":{"self":[{"href":"https:\/\/www.kayakersweb.org\/sueblog\/wp-json\/wp\/v2\/posts\/5445","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kayakersweb.org\/sueblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kayakersweb.org\/sueblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kayakersweb.org\/sueblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kayakersweb.org\/sueblog\/wp-json\/wp\/v2\/comments?post=5445"}],"version-history":[{"count":16,"href":"https:\/\/www.kayakersweb.org\/sueblog\/wp-json\/wp\/v2\/posts\/5445\/revisions"}],"predecessor-version":[{"id":5467,"href":"https:\/\/www.kayakersweb.org\/sueblog\/wp-json\/wp\/v2\/posts\/5445\/revisions\/5467"}],"wp:attachment":[{"href":"https:\/\/www.kayakersweb.org\/sueblog\/wp-json\/wp\/v2\/media?parent=5445"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kayakersweb.org\/sueblog\/wp-json\/wp\/v2\/categories?post=5445"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kayakersweb.org\/sueblog\/wp-json\/wp\/v2\/tags?post=5445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}