{"id":40310,"date":"2018-11-26T23:47:52","date_gmt":"2018-11-26T14:47:52","guid":{"rendered":"http:\/\/kako.com\/blog\/?p=40310"},"modified":"2018-11-27T04:34:51","modified_gmt":"2018-11-26T19:34:51","slug":"microbit%e3%81%aemicropython%e3%81%aei2c-write%e3%81%ae%e6%9b%b8%e3%81%8d%e6%96%b9-tmp102%e6%b8%a9%e5%ba%a6%e3%82%bb%e3%83%b3%e3%82%b5%e3%81%ae%e3%83%a2%e3%83%bc%e3%83%89%e5%a4%89%e6%9b%b4","status":"publish","type":"post","link":"http:\/\/kako.com\/blog\/?p=40310","title":{"rendered":"micro:bit\u306emicroPython\u306ei2c.write\u306e\u66f8\u304d\u65b9 (TMP102\u6e29\u5ea6\u30bb\u30f3\u30b5\u306e\u30e2\u30fc\u30c9\u5909\u66f4)"},"content":{"rendered":"

micro:bit\u306b\u63a5\u7d9a\u3057\u305fTMP102\u6e29\u5ea6\u30bb\u30f3\u30b5<\/a>\u306e\u30e2\u30fc\u30c9\u5909\u66f4\u3092\u3084\u3063\u3066\u307f\u3088\u3046\u3068\u3057\u3066\u3001microPython\u306ei2c.write\u306e\u66f8\u304d\u65b9\u3067\u3061\u3087\u3063\u3068\u6238\u60d1\u3063\u3066\u3057\u307e\u3063\u305f\u3002
\n\u81ea\u5206\u304cmicroPython\u3084Python\u306b\u4e0d\u6163\u308c\u3068\u3044\u3046\u306e\u3082\u3042\u308b\u304c\u3002<\/p>\n

TMP102\u3067\u666e\u901a\u306b\u6c17\u6e29\u3068\u304b\u306e\u6e29\u5ea6\u3092\u8a08\u6e2c\u3059\u308b\u306b\u306f\u3001TMP102\u306e\u96fb\u6e90\u6295\u5165\u5f8c\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u8a08\u6e2c\u30e2\u30fc\u30c9\u306e\u307e\u307e\u4f7f\u3048\u3070\u3088\u3044\u306e\u3067\u30e2\u30fc\u30c9\u5909\u66f4\u306e\u5fc5\u8981\u306f\u306a\u3044\u3002
\n\u305d\u306e\u5834\u5408\u3001\u3053\u306e\u3088\u3046\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30b3\u30fc\u30c9\u3067\u8a08\u6e2c\u304c\u3067\u304d\u308b\u3002<\/p>\n

\r\ni2c.init(freq=10000, sda=pin20, scl=pin19)\r\naddr = 0x49\r\ni2c.write(addr, b'\\x00')\r\ndata1, data2 = i2c.read(addr, 2)\r\n<\/pre>\n
<\/p>\n
i2c.write(addr, b’\\x00′)\u3067I2C\u30d0\u30b9\u306eaddr\u3068\u3044\u3046\u30a2\u30c9\u30ec\u30b9\u306e\u30c7\u30d0\u30a4\u30b9\u306b0x00\u3068\u3044\u3046\u5024\u3092\u66f8\u304d\u8fbc\u3093\u3067\u3044\u308b\u3002
\n\u3053\u308c\u306f\u3001TMP102\u306e\u5185\u90e8\u306e\u30ec\u30b8\u30b9\u30bf\u306e0\u756a\u306b\u3053\u308c\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306b\u3001\u30ec\u30b8\u30b9\u30bf\u30a2\u30c9\u30ec\u30b9\u3092\u30bb\u30c3\u30c8\u3057\u305f\u3068\u3044\u3046\u3053\u3068\u3060\u3002<\/p>\n
\u305d\u3057\u3066\u3001\u305d\u306e\u6b21\u306edata1, data2 = i2c.read(addr, 2)\u3067\u3001I2C\u30d0\u30b9\u306eaddr\u3068\u3044\u3046\u30a2\u30c9\u30ec\u30b9\u306e\u30c7\u30d0\u30a4\u30b9\u304b\u30892\u30d0\u30a4\u30c8\u3092\u8aad\u307f\u51fa\u3057\u3066\u3044\u308b\u3002
\n\u3053\u308c\u306f\u3001\u5148\u307b\u3069\u30bb\u30c3\u30c8\u3057\u305f\u30ec\u30b8\u30b9\u30bf\u30a2\u30c9\u30ec\u30b90x00\u306e\u30ec\u30b8\u30b9\u30bf(16bit = 2\u30d0\u30a4\u30c8)\u306e\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u51fa\u3057\u305f\u3068\u3044\u3046\u3053\u3068\u3060\u3002
\n\u30ec\u30b8\u30b9\u30bf\u30a2\u30c9\u30ec\u30b90\u756a\u306f\u3001TMP102\u306e\u8a08\u6e2c\u5024\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u30ec\u30b8\u30b9\u30bf\u306a\u306e\u3067\u3001\u305d\u308c\u3092\u53d6\u308a\u51fa\u3059\u3053\u3068\u3067\u6e29\u5ea6\u306e\u8a08\u6e2c\u5024\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n
\u3053\u3053\u307e\u3067\u306f\u524d\u56de<\/a>\u306e\u5fa9\u7fd2\u3060\u3002<\/p>\n
\u6b21\u306b\u3001TMP102\u306e\u30ec\u30b8\u30b9\u30bf\u30a2\u30c9\u30ec\u30b9\u306e1\u756a\u306b\u3064\u3044\u3066\u8abf\u3079\u3066\u307f\u308b\u3002
\n\u30ec\u30b8\u30b9\u30bf\u30a2\u30c9\u30ec\u30b91\u756a\u306f\u3001Configration Register\u3068\u306a\u3063\u3066\u3044\u3066\u3001TMP102\u306e\u52d5\u4f5c\u306b\u95a2\u3059\u308b\u8a2d\u5b9a\u5024\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u3002
\n\u3053\u306e16bit\u306e\u30ec\u30b8\u30b9\u30bf\u306e\u5185\u5bb9\u3092\u66f8\u304d\u63db\u3048\u308b\u3053\u3068\u3067TMP102\u306e\u52d5\u4f5c\u3092\u3044\u308d\u3044\u308d\u3068\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002
\n(\u5185\u5bb9\u306b\u3064\u3044\u3066\u306fTMP102\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3092\u53c2\u7167\u306e\u3053\u3068)<\/p>\n
\u3053\u306e\u30ec\u30b8\u30b9\u30bf\u3092\u66f8\u304d\u63db\u3048\u308b\u30b3\u30fc\u30c9\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n
\r\nbuf = bytearray(2)\r\ni2c.write(addr, b'\\x01')\r\nbuf[0] = \u8a2d\u5b9a\u30c7\u30fc\u30bf\u306e\u4e0a\u4f4d8bit\r\nbuf[1] = \u8a2d\u5b9a\u30c7\u30fc\u30bf\u306e\u4e0b\u4f4d8bit\r\ni2c.write(addr, buf)\r\n<\/pre>\n
2\u56dei2c.write\u3092\u3057\u3066\u3044\u308b\u306e\u3060\u304c\u30011\u56de\u3067\u6e08\u307e\u305b\u308b\u65b9\u304c\u3088\u3044\u3002<\/p>\n
\r\nbuf = bytearray(3)\r\nbuf[0] = 0x01\r\nbuf[1] = \u8a2d\u5b9a\u30c7\u30fc\u30bf\u306e\u4e0a\u4f4d8bit\r\nbuf[2] = \u8a2d\u5b9a\u30c7\u30fc\u30bf\u306e\u4e0b\u4f4d8bit\r\ni2c.write(addr, buf)\r\n<\/pre>\n
buf\u3078\u306e\u4ee3\u5165\u3092\u3082\u3063\u3068\u77ed\u304f\u66f8\u304f\u3068\u6b21\u306e\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n
\r\nbuf = bytearray([0x01, \u8a2d\u5b9a\u30c7\u30fc\u30bf\u306e\u4e0a\u4f4d8bit, \u8a2d\u5b9a\u30c7\u30fc\u30bf\u306e\u4e0b\u4f4d8bit] )\r\ni2c.write(addr, buf)\r\n<\/pre>\n
\u3042\u308b\u3044\u306f\u3001\u5024\u304c\u4f8b\u3048\u30700x1234\u3068\u304b\u6c7a\u3081\u6253\u3061\u3067\u3042\u308c\u3070\u6b21\u306e\u3088\u3046\u306b\u77ed\u304f\u66f8\u304f\u3053\u3068\u3082\u3067\u304d\u308b\u3002<\/p>\n
\r\ni2c.write(addr, bytearray(b'\\x01\\x12\\x34'))\r\n<\/pre>\n
\u3061\u3083\u3093\u3068bytearray\u306b\u5909\u63db\u3057\u3066\u3084\u3089\u306a\u3044\u3068\u52d5\u304b\u306a\u3044\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3060\u3002
\n\u4f8b\u3048\u3070\u3001buf = [0x01,0x12,0x34]\u306a\u3069\u3068\u4ee3\u5165\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u30a8\u30e9\u30fc\u3068\u306a\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
micro:bit\u306b\u63a5\u7d9a\u3057\u305fTMP102\u6e29\u5ea6\u30bb\u30f3\u30b5\u306e\u30e2\u30fc\u30c9\u5909\u66f4\u3092\u3084\u3063\u3066\u307f\u3088\u3046\u3068\u3057\u3066\u3001microPython\u306ei2c.write\u306e\u66f8\u304d\u65b9\u3067\u3061\u3087\u3063\u3068\u6238\u60d1\u3063\u3066\u3057\u307e\u3063\u305f\u3002 \u81ea\u5206\u304cmicroPython\u3084Python\u306b\u4e0d\u6163\u308c\u3068\u3044\u3046 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5,14],"tags":[],"_links":{"self":[{"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/40310"}],"collection":[{"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=40310"}],"version-history":[{"count":2,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/40310\/revisions"}],"predecessor-version":[{"id":40312,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/40310\/revisions\/40312"}],"wp:attachment":[{"href":"http:\/\/kako.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=40310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=40310"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=40310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}