{"id":198987,"date":"2020-11-20T03:44:40","date_gmt":"2020-11-19T19:44:40","guid":{"rendered":"http:\/\/4563.org\/?p=198987"},"modified":"2020-11-20T03:44:40","modified_gmt":"2020-11-19T19:44:40","slug":"%e9%a6%99%e6%a9%99%e6%b4%be%e8%bf%b7%e4%bd%a0%e7%94%b5%e8%84%91%e4%b8%bb%e6%9d%bforange-pi-4%e5%9c%a8linux%e7%b3%bb%e7%bb%9f%e4%b8%8b%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8i2c-%e6%99%92%e8%b4%a7%e5%a5%bd","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=198987","title":{"rendered":"\u9999\u6a59\u6d3e\u8ff7\u4f60\u7535\u8111\u4e3b\u677fOrange Pi 4\u5728Linux\u7cfb\u7edf\u4e0b\u5982\u4f55\u4f7f\u7528I2C-\u6652\u8d27\u597d\u7269"},"content":{"rendered":"\n
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\u9999\u6a59\u6d3e\u8ff7\u4f60\u7535\u8111\u4e3b\u677fOrange Pi 4\u5728Linux\u7cfb\u7edf\u4e0b\u5982\u4f55\u4f7f\u7528I2C-\u6652\u8d27\u597d\u7269 <\/h1>\n<\/p>\n
\n
\u8cc7\u6df1\u5927\u4f6c : \u950b\u53cb64 <\/span> <\/i> 85<\/span> <\/div>\n
<\/div>\n<\/p>\n<\/div>\n<\/div>\n<\/div>\n
\n

\u9999\u6a59\u6d3e4\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u5355\u677f\u7535\u8111\uff0c\u4f7f\u7528Rockchip RK3399\u4e3b\u63a7\u82af\u7247\uff0c\u62e5\u6709\u53cc\u901a\u90534GB LPDDR4\u5185\u5b58 \uff0c\u677f\u8f7d16GB EMMC flash\u5b58\u50a8\uff0c\u652f\u6301\u8fd0\u884cAndroid 8.1\u3001Ubuntu 16.04\u3001Debian 9\u7b49\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5177\u5907MIPI-CSI\u53cc\u6444\u50cf\u5934\u63a5\u53e3\uff0cHDMI2.0\u89c6\u9891\u8f93\u51fa\u63a5\u53e3\uff0c\u9ea6\u514b\u98ce\u7aef\u53e3\uff0c3.5mm\u548cHDMI2.0\u97f3\u9891\u8f93\u51fa\u53e3\uff0c\u5343\u5146\u4ee5\u592a\u7f51\u53e3\uff0cUSB3.0,USB2.0,Type-C\u7b49\u5e38\u89c4\u6807\u51c6\u63a5\u53e3\uff0c\u8fd8\u6709\u8c03\u8bd5\u4e32\u53e3\uff0c40pin\u6811\u8393\u6d3e\u517c\u5bb9\u6269\u5c55\u53e3\u3002\u53ef\u5e94\u7528\u5728\u8ba1\u7b97\u673a\u3001\u7535\u89c6\u76d2\u5b50\u3001\u670d\u52a1\u5668\u3001\u89c6\u9891\u64ad\u653e\u5668\u7b49\u4ea7\u54c1\u65b9\u6848\u3002\u8fd8\u6709\u66f4\u591a\u7684\u529f\u80fd\uff0c\u56e0\u4e3a\u9999\u6a59\u6d3e\u662f\u5f00\u6e90\u7684\u3002<\/p>\n

\u4e0b\u9762\u4ecb\u7ecd\u4e0b\u8fd9\u6b3e\u5f00\u53d1\u677f\u5728linux\u7cfb\u7edf\u4e0b\u5982\u679c\u4f7f\u752840pin\u6269\u5c55\u63a5\u53e3\u4e2d\u7684I2C\u63a5\u53e3<\/p>\n

\"\u9999\u6a59\u6d3e\u8ff7\u4f60\u7535\u8111\u4e3b\u677fOrange1\u3001\u9996\u5148\u5b89\u88c5\u4e0bwiringOP\uff0c\u4ee5\u4e0b\u64cd\u4f5c\u53ef\u80fd\u4f1a\u7528\u5230<\/p>\n

\"\u9999\u6a59\u6d3e\u8ff7\u4f60\u7535\u8111\u4e3b\u677fOrange2\u3001wiringOP\/examples \u4e2d\u79fb\u690d\u4e86\u4e00\u4e2a oled_demo.c \u6d4b\u8bd5\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528 OrangePi \u7684 0.96 \u5bf8 OLED \u6a21\u5757\u6d4b\u8bd5 I2C \u63a5\u53e3\u7684\u529f\u80fd\u3002<\/p>\n

\"\u9999\u6a59\u6d3e\u8ff7\u4f60\u7535\u8111\u4e3b\u677fOrange<\/p>\n

3\u3001\u9999\u6a59\u6d3e4 \u768440pin\u4e0a\u6709\u4e24\u4e2aI2C\u901a\u9053\uff0c\u5206\u522b\u662fI2C2\uff0cI2C3\u3002\u5bf9\u5e94\u7684\u5f15\u811a<\/p>\n

3 – I2C2_SDA \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<\/p>\n

5 – I2C2_SCL<\/p>\n

8 – I2C3_SCL<\/p>\n

10 – I2C3_SDA<\/p>\n

\u5177\u4f53\u53ef\u4ee5\u67e5\u770b\u4e3b\u677f\u7684\u539f\u7406\u56fe\u3002<\/p>\n

\"\u9999\u6a59\u6d3e\u8ff7\u4f60\u7535\u8111\u4e3b\u677fOrange<\/p>\n

4\u3001I2C2\u7684\u6d4b\u8bd5<\/p>\n

\u63a5\u7ebf\uff1aGND-6\u3001VCC-4\uff0cSCL-5\uff0cSDA-3\uff0cRST-1\uff0cDC-9\uff0cCS-25<\/p>\n

\u6ce8\uff1a\u5de6\u8fb9\u4e3aoled\u6a21\u5757\u7684\u5f15\u811a\uff0c\u53f3\u8fb9\u4e3a40pin\u7684\u7269\u7406\u7f16\u53f7\u3002<\/p>\n

\u00a0<\/p>\n

cd wiringOP\/examples<\/p>\n

make oled_demo<\/p>\n

\u00a0<\/p>\n

\u6267\u884c\u6d4b\u8bd5\u7a0b\u5e8f<\/p>\n

\u00a0<\/p>\n

.\/oled_demo \/dev\/i2c-2<\/p>\n

\"\u9999\u6a59\u6d3e\u8ff7\u4f60\u7535\u8111\u4e3b\u677fOrange<\/p>\n

5\u3001I2C 3\u7684\u6d4b\u8bd5<\/p>\n

\u63a5\u7ebf\u53ea\u6709SDA\u548cSCL\u9700\u8981\u6539\uff0c\u5176\u4ed6\u4e0d\u9700\u8981\u52a8\u3002<\/p>\n

SCL-8\uff0cSDA-10<\/p>\n

\u00a0<\/p>\n

\u00a0<\/p>\n

\u8fd0\u884c\u6d4b\u8bd5\u7a0b\u5e8f<\/p>\n

.\/oled_demo \/dev\/i2c-3<\/p>\n

\"\u9999\u6a59\u6d3e\u8ff7\u4f60\u7535\u8111\u4e3b\u677fOrange<\/p>\n

\u5173\u4e8e\u9999\u6a59\u6d3e4\u5f00\u53d1\u677f\u7684\u66f4\u591a\u786c\u4ef6\u7279\u6027\u3001\u8d44\u6599\u652f\u6301\u60c5\u51b5\uff0c\u53ef\u4ee5\u8fdb\u5165orangepi \u5b98\u7f51\u83b7\u53d6<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (0<\/span>) <\/div>\n
<\/div>\n<\/p>\n<\/div>\n<\/div>\n
    \n
  • \n","protected":false},"excerpt":{"rendered":"

    \u9999\u6a59\u6d3e\u8ff7\u4f60\u7535\u8111\u4e3b\u677fOrange P…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/198987"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=198987"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/198987\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=198987"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=198987"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=198987"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}