{"author_url":"https://blog.hatena.ne.jp/gari30/","blog_title":"\u3073\u307c\u3046\u308d\u304f","provider_url":"https://hatena.blog","width":"100%","published":"2022-05-28 14:56:10","height":"190","author_name":"gari30","version":"1.0","blog_url":"https://gari30.hatenablog.com/","url":"https://gari30.hatenablog.com/entry/2022/05/28/145610","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgari30.hatenablog.com%2Fentry%2F2022%2F05%2F28%2F145610\" title=\"Raspberry Pi Zero\u306bWatchdog\u3092\u8a2d\u5b9a\u3059\u308b - \u3073\u307c\u3046\u308d\u304f\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"Raspberry Pi Zero\u306bWatchdog\u3092\u8a2d\u5b9a\u3059\u308b","image_url":null,"categories":["IoT","Linux","Raspberrypi","raspberry pi","rpi","\u7d44\u307f\u8fbc\u307f"],"type":"rich","provider_name":"Hatena Blog","description":"\u306f\u3058\u3081\u306b \u81ea\u5b85\u306e\u5ba4\u6e29\u76e3\u8996\u7528\u306e\u30e9\u30ba\u30d1\u30a4\u304c\u3001\u6c17\u304c\u3064\u304f\u3068\u6b7b\u3093\u3067\u3044\u308b\u3053\u3068\u304c\u4f55\u5ea6\u304b\u3042\u308a\u307e\u3057\u305f\u3002 \u539f\u56e0\u3092\u8abf\u3079\u3066\u3082\u3088\u304f\u308f\u304b\u3089\u305a\u3001\u3068\u308a\u3042\u3048\u305a\u96fb\u6e90OFF\u2192ON\u3067\u5fa9\u5e30\u3059\u308b\u306e\u3067\u3001 \u305d\u308c\u306a\u3089watchdog\u3067\u3082\u3064\u3051\u308c\u3070\u3044\u3044\u306e\u3067\u306f\uff1f\u3068\u601d\u3044\u7acb\u3063\u305f\u306e\u3067\u3001\u4f5c\u696d\u306e\u30e1\u30e2\u3002 Watchdog\u57fa\u677f\u3064\u3051\u306a\u304f\u3066\u3082SoC\u306bWatchdog\u4ed8\u3044\u3066\u308b\u3058\u3083\u3093 \u5916\u90e8watchdog\u3092\u8003\u3048\u3066\u3044\u307e\u3057\u305f\u304c\u3001RaspberryPi Zero\u306eSoC(BCM2835)\u306b\u306f\u5185\u8535watchdog\u4ed8\u3044\u3066\u308b\u3093\u3067\u3059\u306d\u3002 \u3057\u304b\u3057\u516c\u5f0f\u306a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u5168\u304f\u51fa\u3066\u3053\u306a\u3044\u30fb\u30fb\u30fb\u3002 $ ls -al /dev/watchdog* crw------- 1 root root 10\u2026"}