WDTCTRL:<\/strong>Watch Dog Timer Control Register (Index=71h, Default=00h) \u63a7\u5236\u5bc4\u5b58\u5668\uff0c\u4e3b\u8981\u662f\u8bbe\u7f6e\u4e2d\u65ad\uff0c\u8fd9\u91cc\u4e0d\u6d89\u53ca <\/p>\n\n\n\n WDTCONF:<\/strong>Watch Dog Timer Configuration Register (Index=72h, Default=001s0000b) \u914d\u7f6e\u5bc4\u5b58\u5668 WDTVALLSB:<\/strong>Watch Dog Timer Time-out Value (LSB) Register (Index=73h, Default=38h) \u4f4e\u4f4d\u6570\u636e\u5bc4\u5b58\u5668 <\/p>\n\n\n\n WDTVALMSB:<\/strong>Watch Dog Timer Time-out Value (MSB) Register (Index=74h, Default=00h) \u9ad8\u4f4d\u6570\u636e\u5bc4\u5b58\u5668 <\/p>\n\n\n\n \u5982\u679c\u5728\u8d85\u65f6\u65f6\u95f4\u5185\u6ca1\u6709\u8fdb\u884c\u5582\u72d7\uff0cWDT\u5c06\u4f1a\u81ea\u52a8\u4ea7\u751f\u4e00\u4e2a\u590d\u4f4d\u4fe1\u53f7\uff0c\u91cd\u542f\u7535\u8111\u3002 \u6ce8\u610f\uff1a\u8be5\u4ee3\u7801\u4ec5\u4f9b\u53c2\u8003\uff0c\u5b9e\u9645\u9700\u53c2\u8003WDT\u786c\u4ef6\u7535\u8def\u8bbe\u8ba1<\/strong><\/p>\n\n\n\n \u4ee3\u7801\u5730\u5740\uff1ahttps:\/\/github.com\/huchanghui123\/Watch-Dog-Linux<\/a><\/p>\n","protected":false},"excerpt":{"rendered":" \u5b9a\u4e49 \u770b\u95e8\u72d7\uff0c\u53c8\u53ebwatchdog timer\uff0c\u662f\u4e00\u4e2a\u5b9a\u65f6\u5668\u7535\u8def\uff0c\u4e00\u822c\u6709\u4e00\u4e2a\u8f93\u5165\uff0c\u53eb\u5582\u72d7(kicking th\u2026 Read More »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":671,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,49],"tags":[7,61],"_links":{"self":[{"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/posts\/669"}],"collection":[{"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=669"}],"version-history":[{"count":6,"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/posts\/669\/revisions"}],"predecessor-version":[{"id":2090,"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/posts\/669\/revisions\/2090"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=\/wp\/v2\/media\/671"}],"wp:attachment":[{"href":"http:\/\/iqotom.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=669"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/iqotom.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Bit6 or Bit4<\/strong>\u8bbe\u7f6e\u4e3a1<\/strong>\u5373\u53ef\u5f00\u542f\u770b\u95e8\u72d7\u529f\u80fd\uff0c\u8fd9\u91cc\u4f7f\u7528Bit4 PWRGD<\/strong> <\/p>\n\n\n![\"\"](\"http:\/\/iqotom.com\/wp-content\/uploads\/2019\/10\/watch_dog_01.png\")
\u4e3b\u8981\u6d41\u7a0b<\/h2>\n\n\n\n
\n
\u6838\u5fc3\u4ee3\u7801<\/h2>\n\n\n\n
\/* IO Ports *\/\n#define REG 0x2e\n#define VAL 0x2f\n\/* Logical device Numbers LDN *\/\n#define LDNREG 0x07\n#define GPIOLND 0x07\n\n\/\/superio enter\noutb(0x87, REG);\noutb(0x01, REG);\noutb(0x55, REG);\noutb(0x55, REG);\n\n\/\/select logic device\noutb(LDNREG, REG);\noutb(GPIOLND, VAL);\n\n\/\/WDT Output through KRST (pulse) Enable\noutb(0x72, REG);\noutb(0x90, VAL);\/\/1001 0000\n\n\/\/WDT Timer-out Value (feed dog)\noutb(0x73, REG);\noutb(0x1e, VAL);\/\/1e:30s\noutb(0x74, REG);\noutb(0x00, VAL);\n\n\/\/Close WDT\n\/\/outb(0x72, REG);\n\/\/outb(0x80, VAL);\n\n\/\/exit superio\noutb(0x02, REG);\noutb(0x02, VAL);<\/code><\/pre>\n\n\n\n
\u6267\u884c\u4e0a\u9762\u7684\u4ee3\u7801\uff0c\u6b63\u5e38\u7684\u8bdd30s\u540e\u7cfb\u7edf\u5c06\u4f1a\u81ea\u52a8\u91cd\u542f<\/p>\n\n\n\n