{"id":3625,"date":"2015-04-24T20:26:31","date_gmt":"2015-04-24T11:26:31","guid":{"rendered":"http:\/\/blog.bitmeister.jp\/?p=3625"},"modified":"2015-04-24T20:33:06","modified_gmt":"2015-04-24T11:33:06","slug":"raspberry-pi-b%e3%81%aelinux-kernel-3-2-27%e3%82%92%e3%80%81raspberry-pi-b%e3%81%a7%e8%b5%b7%e5%8b%95%e3%81%95%e3%81%9b%e3%82%8b%e3%81%a8gpio-16%e3%81%8c%e4%bd%bf%e3%81%88%e3%81%aa%e3%81%84","status":"publish","type":"post","link":"https:\/\/blog.bitmeister.jp\/?p=3625","title":{"rendered":"Raspberry Pi B\u306eLinux Kernel 3.2.27\u3092\u3001Raspberry Pi B+\u3067\u8d77\u52d5\u3055\u305b\u308b\u3068GPIO 16\u304c\u4f7f\u3048\u306a\u3044"},"content":{"rendered":"

\u3053\u3053\u6570\u5e74\u3001Raspberry Pi B(\u4ee5\u964d\u3001RPiB)\u3067\u52d5\u4f5c\u3059\u308bLinux Kernel 3.2.27\u3092\u30ab\u30b9\u30bf\u30e0\u3057\u305fKernel\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306eRPiB\u3067\u4f7f\u7528\u3057\u3066\u3044\u305fKernel\u3092Raspberry Pi B+(\u4ee5\u964d\u3001RPiB+)\u3067\u8d77\u52d5\u3055\u305b\u305f\u6642\u306b\u3001\u4f55\u6545\u304bGPIO 16\u3060\u3051\u304c\u4f7f\u3048\u306a\u3044\u3068\u3044\u3046\u73fe\u8c61\u306b\u898b\u821e\u308f\u308c\u307e\u3057\u305f\u3002<\/p>\n

\u8272\u3005\u3068\u8abf\u67fb\u3057\u305f\u7d50\u679c\u3001RPiB+\u306eGPIO 16\u3082\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u306e\u3067\u3001\u305d\u306e\u89e3\u6c7a\u624b\u6bb5\u3092\u6b8b\u3057\u3066\u304a\u304d\u307e\u3059\u3002
\n\u540c\u3058\u3088\u3046\u306a\u73fe\u8c61\u3067\u82e6\u3057\u3093\u3067\u3044\u308b\u4eba\u306f\u6ec5\u591a\u306b\u3044\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u53c2\u8003\u306b\u306a\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n

<\/p>\n

RPiB\u3067\u306fpin\u306e\u6570\u304c26\u672c\u3001RPiB+\u3067\u306f40\u672c\u3068\u300114\u672c\u3082pin\u304c\u5897\u3048\u3066\u3044\u307e\u3059\u3002
\n\u5f53\u521d\u306f\u3001pin\u6570\u306f\u5897\u3048\u305f\u3068\u3057\u3066\u3082\u3001RPiB\u3067\u52d5\u4f5c\u3055\u305b\u3066\u3044\u305fKernel\u306a\u306e\u3067\u5897\u3048\u305f14\u672c\u306f\u4f7f\u3048\u306a\u3044\u3060\u308d\u3046\u3068\u4e88\u60f3\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n

\u3057\u304b\u3057\u3001\u4e88\u60f3\u306b\u53cd\u3057\u3066\u3001\u5897\u3048\u305f14\u672c\u306epin\u306e\u4e2d\u3067\u3001GPIO\u3068\u3057\u3066\u4f7f\u3048\u308b9\u672c\u306e\u3046\u3061GPIO 16\u3060\u3051\u304c\u4f7f\u3048\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n

\u81ea\u5206\u306e\u691c\u8a3c\u624b\u9806\u304c\u60aa\u304b\u3063\u305f\u306e\u3060\u308d\u3046\u3068\u4f55\u5ea6\u3082\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u304c\u3001\u7d50\u679c\u306f\u5909\u308f\u3089\u305a\u3001\u4ed5\u65b9\u306a\u304fGoogle\u5927\u5148\u751f\u306b\u5c0b\u306d\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u30da\u30fc\u30b8\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002<\/p>\n

http:\/\/www.mztn.org\/rpi\/rpi42.html<\/a><\/p>\n

\u4e0a\u8a18\u30da\u30fc\u30b8\u306b\u3088\u308b\u3068\u3001GPIO 16\u306fRPiB\u3067\u306fSD\u30ab\u30fc\u30c9\u306e\u30a2\u30af\u30bb\u30b9\u3092\u793a\u3059LED\u3068\u3057\u3066\u4f7f\u308f\u308c\u3066\u3044\u3066\u3001RPiB+\u3067\u306fGPIO 47\u3092\u4f7f\u3046\u3088\u3046\u306b\u5909\u66f4\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002
\n\u3042\u3068\u306f\u3001RPiB+\u3067\u306fPWR\u306eLED\u306bGPIO 35\u3092\u4f7f\u3046\u3088\u3046\u306b\u5909\u66f4\u3055\u308c\u3066\u3044\u308b\u307f\u305f\u3044\u3067\u3059\u306d\u3002<\/p>\n

\u4e0a\u8a18\u306e\u5185\u5bb9\u3092\u4fe1\u3058\u3066\u307f\u3066\u3001rpi-3.2.27\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u63a2\u3057\u306b\u63a2\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3001arch\/arm\/mach-bcm2708\/bcm2708.c\u306b\u305d\u308c\u3063\u307d\u3044\u7b87\u6240\u3092\u898b\u3064\u3051\u51fa\u3057\u307e\u3057\u305f\u3002<\/p>\n

\r\n826 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)\r\n827 #include <linux\/leds.h>\r\n828\r\n829 static struct gpio_led bcm2708_leds[] = {\r\n830     [0] = {\r\n831            .gpio = 16,\r\n832            .name = "led0",\r\n833            .default_trigger = "mmc0",\r\n834            .active_low = 1,\r\n835            },\r\n836 };\r\n837\r\n838 static struct gpio_led_platform_data bcm2708_led_pdata = {\r\n839     .num_leds = ARRAY_SIZE(bcm2708_leds),\r\n840     .leds = bcm2708_leds,\r\n841 };\r\n842\r\n843 static struct platform_device bcm2708_led_device = {\r\n844     .name = "leds-gpio",\r\n845     .id = -1,\r\n846     .dev = {\r\n847         .platform_data = &bcm2708_led_pdata,\r\n848         },\r\n849 };\r\n850\r\n851 static void __init bcm2708_init_led(void)\r\n852 {\r\n853     platform_device_register(&bcm2708_led_device);\r\n854 }\r\n855 #else\r\n856 static inline void bcm2708_init_led(void)\r\n857 {\r\n858 }\r\n859 #endif\r\n<\/pre>\n
831\u884c\u76ee\u306716\u3068\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u90e8\u5206\u309247\u306b\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n
\u3064\u3044\u3067\u306b\u3001\u4e3b\u76ee\u7684\u304b\u3089\u3061\u3087\u3063\u3068\u5916\u308c\u308b\u306e\u3067\u8a73\u7d30\u306a\u8aac\u660e\u306f\u7701\u304d\u307e\u3059\u304c\u30013.6\u304f\u3089\u3044\u304b\u3089\u4f7f\u7528\u3055\u308c\u3066\u3044\u308bDevice tree\u3068\u3044\u3046\u4ed5\u7d44\u307f\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306eRPiB+\u7528\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u78ba\u8a8d\u3057\u305f\u308a\u3001LED\u306e\u70b9\u706f\u6d88\u706f\u52d5\u4f5c\u306e\u76f4\u89b3\u7684\u306a\u30a4\u30e1\u30fc\u30b8\u3068\u3057\u3066\u3001SD\u30ab\u30fc\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u3089LED\u304c\u70b9\u706f\u3057\u3066\u3001\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3044\u306a\u3044\u6642\u306b\u306f\u6d88\u706f\u3059\u308b\u3068\u3044\u3046\u52d5\u4f5c\u304c\u671b\u307e\u3057\u304b\u3063\u305f\u306e\u3067\u3001\u6700\u7d42\u7684\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5909\u66f4\u3057\u307e\u3057\u305f\u3002<\/p>\n
\r\ndiff --git a\/kernel_rpi\/linux-rpi-3.2.27-himalis\/arch\/arm\/mach-bcm2708\/bcm2708.c b\/kernel_rpi\/linux-\r\nindex 93fb75d..832a19e 100644\r\n--- a\/kernel_rpi\/linux-rpi-3.2.27-himalis\/arch\/arm\/mach-bcm2708\/bcm2708.c\r\n+++ b\/kernel_rpi\/linux-rpi-3.2.27-himalis\/arch\/arm\/mach-bcm2708\/bcm2708.c\r\n@@ -828,9 +828,15 @@ struct sys_timer bcm2708_timer = {\r\n\r\n static struct gpio_led bcm2708_leds[] = {\r\n        [0] = {\r\n-              .gpio = 16,\r\n+              .gpio = 47,\r\n               .name = "led0",\r\n               .default_trigger = "mmc0",\r\n+              .active_low = 0,\r\n+              },\r\n+       [1] = {\r\n+              .gpio = 35,\r\n+              .name = "led1",\r\n+              .default_trigger = "input",\r\n               .active_low = 1,\r\n               },\r\n };\r\n<\/pre>\n
\u5909\u66f4\u5f8c\u3001\u30ab\u30fc\u30cd\u30eb\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3001SD\u30ab\u30fc\u30c9\u306b\u66f8\u304d\u8fbc\u307f\u76f4\u3057\u3066\u8d77\u52d5\u3055\u305b\u305f\u3068\u3053\u308d\u3001\u610f\u56f3\u901a\u308a\u3001GPIO 16\u304c\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
\r\nroot@bit:~# echo 16 > \/sys\/class\/gpio\/export\r\nroot@bit:~# echo in > \/sys\/class\/gpio\/gpio16\/direction\r\nroot@bit:~# cat \/sys\/class\/gpio\/gpio16\/value\r\n0\r\nroot@bit:~#\r\n<\/pre>\n
\u307e\u305f\u3001\u3064\u3044\u3067\u306b\u5909\u66f4\u3057\u305fSD\u30ab\u30fc\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u6642\u306eLED\u306e\u70b9\u706f\u306b\u3064\u3044\u3066\u3082\u610f\u56f3\u901a\u308a\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002
\n\u3081\u3067\u305f\u3057\u3001\u3081\u3067\u305f\u3057\u3002<\/p>\n
\u4e0a\u8a18\u3067\u78ba\u8a8d\u3057\u305fDevice tree\u306e\u30d5\u30a1\u30a4\u30eb\u3084\u5185\u5bb9\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u306eURL\u306e\u30da\u30fc\u30b8\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
bcm2708-rpi-b.dts
\narch\/arm\/boot\/dts\/bcm2708-rpi-b.dts<\/a>
\ngpio.txt
\nDocumentation\/devicetree\/bindings\/gpio\/gpio.txt<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
\u3053\u3053\u6570\u5e74\u3001Raspberry Pi B(\u4ee5\u964d\u3001RPiB)\u3067\u52d5\u4f5c\u3059\u308bLinux Kernel 3.2.27\u3092\u30ab\u30b9\u30bf\u30e0\u3057\u305fKernel\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306eRPiB\u3067\u4f7f\u7528\u3057\u3066\u3044\u305fKernel\u3092Raspberry Pi […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-3625","post","type-post","status-publish","format-standard","hentry","category-tech"],"_links":{"self":[{"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/posts\/3625","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3625"}],"version-history":[{"count":4,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/posts\/3625\/revisions"}],"predecessor-version":[{"id":3629,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/posts\/3625\/revisions\/3629"}],"wp:attachment":[{"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3625"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3625"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3625"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}