{"id":152,"date":"2013-02-27T13:23:52","date_gmt":"2013-02-27T05:23:52","guid":{"rendered":"http:\/\/ukonline2000.com\/?p=152"},"modified":"2013-02-27T13:24:14","modified_gmt":"2013-02-27T05:24:14","slug":"%e6%95%99%e4%bd%a0%e5%9c%a8%e6%a0%91%e8%8e%93%e6%b4%be%e4%bd%bf%e7%94%a8%e4%b8%8artc%e5%ae%9e%e6%97%b6%e6%97%b6%e9%92%9f%ef%bc%8c%e4%b8%8d%e7%94%a8%e5%86%8d%e6%8b%85%e5%bf%83%e6%96%ad%e7%94%b5","status":"publish","type":"post","link":"http:\/\/ukonline2000.com\/?p=152","title":{"rendered":"\u6559\u4f60\u5728\u6811\u8393\u6d3e\u4f7f\u7528\u4e0aRTC\u5b9e\u65f6\u65f6\u949f\uff0c\u4e0d\u7528\u518d\u62c5\u5fc3\u65ad\u7535\u540e\u65f6\u95f4\u5f52\u96f6\u7684\u95ee\u9898\uff0c\u5f00\u673a\u540e\u81ea\u52a8\u540c\u6b65RTC\u65f6\u949f\uff01\uff01\uff01"},"content":{"rendered":"
\u51c6\u5907\u5de5\u4f5c\uff1a
\n1.\u7cfb\u7edf\u5efa\u8bae\u4f7f\u7528\u5b98\u65b9\u6700\u65b0\u7684\u955c\u50cf\u6587\u4ef6<\/span>
\n<\/span><\/div>\n
2.RTC\u65f6\u949f\u6a21\u5757\u677f\uff08<\/span>I2C<\/span>\u63a5\u53e3\uff09<\/span>
\n\u5efa\u8bae\u4f7f\u7528DS1307<\/span>\u65f6\u949f\u6a21\u5757\uff0c\u6216\u8005<\/span>RTC<\/span>\u65f6\u949f\u6a21\u5757<\/span><\/span>RTC<\/span>\u65f6\u949f\u6a21\u5757\uff1a<\/span><\/strong><\/p>\n<\/div>\n
\u5927\u5bb6\u77e5\u9053arduino<\/span>\u7684\u7535\u5e73\u662f<\/span>5V<\/span>\uff0c\u6811\u8393\u6d3e\u662f<\/span>3.3V<\/span>\uff0c\u6240\u4ee5\u5f88\u591a<\/span>arduino<\/span>\u6a21\u5757\u90fd\u6ca1\u6cd5\u76f4\u63a5\u5728\u6811\u8393\u6d3e\u4e0a\u7528\uff0c\u800c\u8fd9\u6b3e<\/span>I2C<\/span>\u63a5\u53e3 \u7684<\/span>RTC<\/span>\u5b9e\u65f6\u65f6\u949f\u662f\u5e02\u9762\u4e0a\u5c11\u89c1\u7684\u80fd\u540c\u65f6\u517c\u5bb9\u6811\u8393\u6d3e\u548c<\/span>arduino<\/span>\u7684\u5b9e\u65f6\u65f6\u949f\u6a21\u5757\uff0c\u5b83\u88ab\u8bbe\u8ba1\u4e3a\u8868\u76d8\u7684\u5916\u5f62\uff0c\u518d\u52a0\u4e0a\u7ea2\u8272\u7684\u9753\u8272\uff0c\u5b8c\u5168\u662f\u4e2a\u5c0f\u5de5\u827a\u54c1\uff0c\u5475\u5475\uff0c<\/span>\u5e9f\u8bdd\u4e0d\u8bf4\u4e86\uff0c\u4e0a\u7f8e\u56fe
\n\"1.jpg\"
\n\"2.jpg\"
\n\"3.jpg\"
\n\"4.jpg\"
\n\"5.jpg\"
\n<\/span><\/div>\n
3.\u6269\u5c55\u677f<\/span>
\n\u53ef\u4ee5\u4f7f\u7528\u8bba\u575b\u7684\u5168\u529f\u80fd\u6269\u5c55\u677f<\/div>\n
\u6216\u8005\u4e32\u53e3\u6269\u5c55\u7248\uff08\u5982\u679c\u7528\u4e32\u53e3\u6269\u5c55\u7248\uff0c\u53ea\u80fd\u914d\u5408\u672c\u8bba\u575b\u7684RTC<\/span>\u65f6\u949f\u6a21\u5757\uff0c\u56e0\u4e3a\u662f\u6811\u8393\u6d3e\u662f<\/span>3.3V<\/span>\u7535\u5e73\u7684\uff0c\u5e02\u9762\u4e0a\u7684<\/span>RTC<\/span>\u6a21\u5757\u57fa\u672c\u4e0d\u517c\u5bb9<\/span>3.3V<\/span>\u7535\u5e73\uff09<\/span><\/div>\n


\n\u5b9e\u73b0\u6b65\u9aa4\uff1a
\n1.\u6309\u7167RTC\u65f6\u949f\u6a21\u5757\u7684I2C\u63a5\u53e3\u5b9a\u4e49\u548c\u5bf9\u5e94\u7684\u6269\u5c55\u7248I2C\u63a5\u53e3\u4e92\u8054,\u4e0b\u56fe\u662f\u5168\u529f\u80fd\u677f+\u672c\u8bba\u575b\u7684RTC\u65f6\u949f\u6a21\u5757,\u4e5f\u53ef\u4ee5\u6309\u7167\u5bf9\u5e94\u7684\u7ba1\u811a\u76f4\u63a5\u548c\u6811\u8393\u6d3e\u7684GPIO\u8fde\u63a5
\n\"1.jpg\"
\n\"2.jpg\"\u00a0<\/span><\/span><\/span><\/p>\n

2.\u5b89\u88c5I2C\u6a21\u5757\u65b9\u6cd5
\na.\u6dfb\u52a0i2c\u6a21\u5757
\nsudo nano \/etc\/modules
\n\u7136\u540e\u6dfb\u52a0\u4ee5\u4e0b\u4e24\u884c\u5185\u5bb9
\ni2c-bcm2708
\ni2c-dev<\/p>\n

b.\u5b89\u88c5i2c\u5de5\u5177\uff0c\u67e5\u770bi2c\u8bbe\u5907
\nsudo apt-get install i2c-tools<\/p>\n

c.\u6267\u884c\u547d\u4ee4\u67e5\u770bi2c\u8bbe\u5907
\nsudo i2cdetect -y -a 0
\n\u6ce8\u610f\u5982\u679c\u662f512M\u7248\u672c\u8bf7\u5427\u201c0\u201d\u6362\u6210\u201c1\u201d<\/p>\n

\"\"<\/a><\/p>\n

\u4e0a\u56fe\u53ef\u4ee5\u770b\u5230\u201c77\u201d\u5c31\u662f\u68c0\u6d4b\u5230\u4e86I2C\u8bbe\u5907\uff0c\u5730\u5740\u662f\u201c77\u201d<\/p>\n

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\u201c\u201c<\/p>\n

3.\u5f00\u673a\u540e\uff0c\u8f93\u5165<\/span>su –<\/span>\uff0c\u5207\u6362\u4e3a<\/span>root<\/span>\u767b\u5f55\uff0c\u5e76\u6267\u884c<\/span>
\nmodprobe i2c-dev
\necho ds1307 0x68 > \/sys\/class\/i2c-adapter\/i2c-0\/new_device
\n5.\u8bfb\u53d6<\/span>RTC<\/span>\u65f6\u949f\uff0c\u8f93\u5165<\/span>
\nhwclock -r
\n\"10.jpg\"<\/div>\n
\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e\uff5e
\n\u5230\u8fd9RTC<\/span>\u65f6\u949f\u5c31\u5b89\u88c5\u5b8c\u6210\u4e86\uff0c\u4ee5\u4e0b\u6b65\u9aa4\u5c31\u662f\u6559\u4f60\u5982\u4f55\u5c06<\/span>RTC<\/span>\u65f6\u949f\u548c\u7cfb\u7edf\u65f6\u949f\u5f00\u673a\u81ea\u52a8\u8fd0\u884c<\/span>
\n1.\u5148\u540c\u6b65\u4e00\u4e0b\u65f6\u949f\uff0c\u53ef\u4ee5\u53c2\u8003http:\/\/www.eeboard.com\/bbs\/thread-1382-1-1.html<\/a><\/span>
\n\u6216\u8005\u624b\u52a8\u914d\u7f6e\uff0c\u5982\u4e0b
\n#date 042817252009.00 \/\/\u8bbe\u7f6e\u7cfb\u7edf\u65f6\u949f\u00a0<\/span>2009\u00a0<\/span>\u5e74\u00a0<\/span>04\u00a0<\/span>\u6708\u00a0<\/span>28\u00a0<\/span>\u65e5 \u661f\u671f\u56db\u00a0<\/span>17:25:00 CST<\/span>2.\u914d\u7f6e\u597d\u7cfb\u7edf\u65f6\u95f4\u540e\uff0c\u5c31\u8bbe\u7f6e<\/span>RTC<\/span>\u65f6\u949f\uff0c\u6267\u884c<\/span>
\nhwclock -w
\n\u6ce8\uff1a\u8bbe\u7f6eRTC<\/span>\u65f6\u949f\u540e\uff0c\u53ea\u8981\u4e0d\u53bb\u6389<\/span>RTC<\/span>\u65f6\u949f\u7684\u7535\u6c60\uff0c<\/span>RTC<\/span>\u65f6\u949f\u4f1a\u4e00\u76f4\u8ba1\u65f6\u7684<\/span>
\n3.\u7f16\u8f91\u542f\u52a8\u6587\u4ef6\uff0c\u8f93\u5165<\/span>
\nsudo nano \/etc\/rc.local
\n\u5c06\u4ee5\u4e0b\u5185\u5bb9\u52a0\u5165\u201cexit 0\u201d<\/span>\u884c\u4e4b\u524d<\/span>
\nmodprobe i2c-dev
\necho ds1307 0x68 > \/sys\/class\/i2c-adapter\/i2c-0\/new_device
\nhwclock -r
\nhwclock \u2013s
\ncrtl+o\u4fdd\u5b58\uff0c<\/span>crtl+x<\/span>\u9000\u51fa<\/span><\/p>\n

4.\u8fc7\u51e0\u51e0\u5206\u949f\u62d4\u6389\u7f51\u7ebf\uff0c\u7136\u540e\u91cd\u542f\uff0c\u8f93\u5165<\/span>\u201cdate\u201d<\/span>\u770b\u770b\u65f6\u95f4\u662f\u4e0d\u662f\u5e94\u8be5\u540c\u6b65\u4e0a\u4e86\uff0c\u5475\u5475<\/span><\/p>\n<\/div>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u51c6\u5907\u5de5\u4f5c\uff1a 1.\u7cfb\u7edf\u5efa\u8bae\u4f7f\u7528\u5b98\u65b9\u6700\u65b0\u7684\u955c\u50cf\u6587\u4ef6 2.RTC\u65f6\u949f\u6a21\u5757\u677f\uff08I2C\u63a5\u53e3 … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-152","post","type-post","status-publish","format-standard","hentry","category-raspberry-pi"],"_links":{"self":[{"href":"http:\/\/ukonline2000.com\/index.php?rest_route=\/wp\/v2\/posts\/152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/ukonline2000.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ukonline2000.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ukonline2000.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/ukonline2000.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=152"}],"version-history":[{"count":2,"href":"http:\/\/ukonline2000.com\/index.php?rest_route=\/wp\/v2\/posts\/152\/revisions"}],"predecessor-version":[{"id":154,"href":"http:\/\/ukonline2000.com\/index.php?rest_route=\/wp\/v2\/posts\/152\/revisions\/154"}],"wp:attachment":[{"href":"http:\/\/ukonline2000.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ukonline2000.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=152"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ukonline2000.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}