{"id":1712,"date":"2022-06-16T13:36:57","date_gmt":"2022-06-16T04:36:57","guid":{"rendered":"https:\/\/www.rocher.kyoto.jp\/arbr\/?p=1712"},"modified":"2022-06-16T13:36:57","modified_gmt":"2022-06-16T04:36:57","slug":"attiny85%e3%81%a7i2c%e3%81%97%e3%81%9f%e3%83%87%e3%83%bc%e3%82%bf%e3%82%92uart%e3%82%b7%e3%83%aa%e3%82%a2%e3%83%ab%e9%80%9a%e4%bf%a1","status":"publish","type":"post","link":"https:\/\/www.rocher.kyoto.jp\/arbr\/?p=1712","title":{"rendered":"ATTiny85\u3067I2C\u3057\u305f\u30c7\u30fc\u30bf\u3092UART\u30b7\u30ea\u30a2\u30eb\u901a\u4fe1"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u6982\u8981<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ATTiny85\u306b\u3066\u30b9\u30ec\u30fc\u30d6\u304b\u3089I2C\u3067\u53d6\u5f97\uff08read\u306e\u307fwrite\u3057\u3066\u306a\u3044\uff09\u3057\u305f\u30c7\u30fc\u30bf\u3092PC\u306bUART\u3067\u9023\u643a\u3057\u3066\u307f\u305f\u30e1\u30e2\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6d41\u308c\u3068\u3057\u3066\u306f\u300cMaster\u3068\u3057\u3066\u4f7f\u3046ATTiny\u306e\u6e96\u5099\/\u8a2d\u5b9a\u300d\u300cSlave\u3068\u3057\u3066\u4f7f\u3046ArduinoNano\u306e\u8a2d\u5b9a\u300d\u300c\u52d5\u4f5c\u78ba\u8a8d\u300d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/github.com\/epea\/atyiny_is2uart_test\">\u5168\u4f53\u30bd\u30fc\u30b9<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u74b0\u5883<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u958b\u767a\u74b0\u5883<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Windows11\uff0864bit\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ArduinoIDE 1.8.19 (\u591a\u5206Microsoft Store\u304b\u3089\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Arduino UNO ( \u5f8c\u3067\u51fa\u3066\u304f\u308bArduino as ISP\u3068\u3057\u3066\u4f7f\u3046\u3002\u4f7f\u3048\u308c\u3070\u307b\u304b\u3067\u3082OK)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8a66\u9a13\u7528\u30cf\u30fc\u30c9<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">PC<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u958b\u767a\u74b0\u5883\u3068\u540c\u3058Windows<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">ATTiny85-20PU<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u79cb\u6708\u3067\u8cb7\u3063\u305f\u7d14\u6b63\u54c1 <a href=\"https:\/\/akizukidenshi.com\/catalog\/g\/gI-09573\/\">\u3053\u308c<\/a><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">USB\u30b7\u30ea\u30a2\u30eb\u5909\u63db\u30e2\u30b8\u30e5\u30fc\u30eb <\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">CH340\u304c\u642d\u8f09\u3055\u308c\u3066\u3044\u308b\u3084\u3064\u3092\u4f7f\u7528\u3002(\u30ea\u30f3\u30af\u3053\u308c\u304b\u3089\u6e96\u5099)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u8fd1\u306eWindows\u3060\u3063\u305f\u3089\u5143\u304b\u3089\u30c9\u30e9\u30a4\u30d0\u30fc\u306f\u5165\u3063\u3066\u3044\u308b\u306f\u305a\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Arduino Nano \u4e92\u63db\u6a5f<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">I2C\u306e\u30b9\u30ec\u30fc\u30d6\u3068\u3057\u3066\u3002\u624b\u6301\u3061\u306eI2C\u306a\u30bb\u30f3\u30b5\u30fc\u3068\u304b\u3067\u3082\u3088\u3044\u3051\u3069\u52d5\u304b\u306a\u3044\u6642\u306e\u5207\u308a\u5206\u3051\u304c\u5927\u5909\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u305d\u306e\u4ed6<\/h4>\n\n\n\n<ul class=\"wp-block-list\"><li>\u30b8\u30e3\u30f3\u30d1\u30fc\u5fc5\u8981\u6570<\/li><li>\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u3000\u8a08100uF\u307b\u3069\uff08\u66f8\u304d\u8fbc\u307f\u6642\u306e\u30ea\u30bb\u30c3\u30c8\u64cd\u4f5c\u7528\u306a\u306e\u3067\u306a\u3051\u308c\u3070\u30b8\u30e3\u30f3\u30d1\u30fc\u624b\u64cd\u4f5c\u3067\u3082\uff09<\/li><li>LED\u30681K\u307b\u3069\u306e\u62b5\u6297\uff08\u52d5\u4f5c\u3057\u3066\u3044\u308b\u304b\u30c1\u30a7\u30c3\u30af\u7528\u3002\u306a\u3051\u308c\u3070\u306a\u3044\u3067\uff09<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Master\u3068\u3057\u3066\u4f7f\u3046ATTiny\u306e\u6e96\u5099\/\u8a2d\u5b9a<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">ATTiny\u306e\u30d6\u30fc\u30c8\u30ed\u30fc\u30c0\u30fc\u66f8\u304d\u8fbc\u307f\u53ca\u3073\u30d7\u30ed\u30b0\u30e9\u30e0\u66f8\u304d\u8fbc\u307f\u65b9\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u307e\u307e<a href=\"https:\/\/101010.fun\/iot\/arduino-isp-attiny85.html\">\u3053\u3061\u3089<\/a>\u53c2\u7167<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u66f8\u304d\u8fbc\u3080\u30d7\u30ed\u30b0\u30e9\u30e0<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">UART\u5468\u308a<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">ATTiny85\u306b\u306f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30b7\u30ea\u30a2\u30eb\u304c\u306a\u3044\u306e\u3067\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30b7\u30ea\u30a2\u30eb\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">pinout(<a href=\"https:\/\/circuits-diy.com\/how-to-program-attiny85-with-arduino-uno\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u53c2\u7167<\/a>)\u306ePB<strong>n<\/strong>\u306e<strong>n<\/strong>\u3067\u4f7f\u3046\u30d4\u30f3\u3092\u6307\u5b9a\u3059\u308b\u3051\u308c\u3069(PB)0,(PB)2\u306fI2C\u3067\u4f7f\u3046\u306e\u3067\u5229\u7528\u3067\u304d\u308b\u306e\u306f\u6b8b\u308a\u3002\u3068\u308a\u3042\u3048\u305aRX\u3092(PB)3,TX\u3092(PB)4\u306b\u6307\u5b9a\u3059\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u304a\u3001(PB)5\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u66f8\u304d\u8fbc\u307f\u306e\u6642\u306b\u4f7f\u3046\u306e\u3067\u4ed6\u7528\u9014\u3067\u4f7f\u3046\u3068\u8a66\u9a13\u4e2d\u306f\u9762\u5012\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3056\u3063\u304f\u308a\u96f0\u56f2\u6c17\u306f\u4ee5\u4e0b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;SoftwareSerial.h>\r\n\r\n\r#define RX_PIN 3 \/\/ PB3\u306fUSB\u30b7\u30ea\u30a2\u30eb\u5909\u63db\u30e2\u30b8\u30e5\u30fc\u30eb\u306eTX\u306b\u3064\u306a\u3050\r\n#define TX_PIN 4 \/\/ PB4\u306fUSB\u30b7\u30ea\u30a2\u30eb\u5909\u63db\u30e2\u30b8\u30e5\u30fc\u30eb\u306eRX\u306b\u3064\u306a\u3050\r\n\r\nSoftwareSerial softSerial =  SoftwareSerial(RX_PIN, TX_PIN); \r\n\nvoid setup() {\r\n  softSerial.begin(9600);\r\n  softSerial.println(\"Master start\");\r\n\r}\n\r<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\u4e8b\u9805<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>TX,RX\u3092\u5165\u308c\u5b50\u3067\u3064\u306a\u3050\u306e\u9593\u9055\u3048\u304c\u3061\u3002<\/li><li>softSerial\u306a\u306e\u3067\u901a\u4fe1\u901f\u5ea6\u306f\u3042\u3093\u307e\u308a\u9811\u5f35\u308c\u306a\u3044\uff08\u307e\u3060\u307e\u3060\u3044\u3051\u308b\u3060\u308d\u3046\u3051\u3069\u5fc5\u8981\u306a\u3051\u308c\u3070\u7121\u7406\u306f\u3057\u306a\u3044\uff09<\/li><li>\u9593\u9055\u3048\u3066Serial.print\uff5e\u3068\u3057\u3066\u3082\u30a8\u30e9\u30fc\u306f\u51fa\u306a\u3044\u3002\uff08softSerial.println\uff09<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">I2C\u5468\u308a<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u3088\u304f\u4f7f\u3046Wire\u306f\u4f7f\u3048\u306a\u3044\u3089\u3057\u3044\u3002\u30de\u30a4\u30b3\u30f3\u3054\u3068\u306b\u5b9f\u88c5\u5206\u304b\u308c\u3066\u3044\u3066\u5b9f\u88c5\u3055\u308c\u3066\u3044\u306a\u3044\u3068\u304b\u3069\u3063\u304b\u3067\u898b\u305f\u3002\uff08\u30bd\u30fc\u30b9\uff11\u5206\u659c\u3081\u8aad\u307f\u3067\u898b\u3064\u304b\u3089\u306a\u304b\u3063\u305f\u3051\u3069\u307e\u3041\u4fe1\u3058\u308b\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u304b\u308f\u308a\u306bArduinoIDE\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u7ba1\u7406\u304b\u3089\u5165\u308c\u3089\u308c\u308bTinyWireM\u304c\u4f7f\u3048\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/circuits-diy.com\/how-to-program-attiny85-with-arduino-uno\/\">\u5148\u307b\u3069\u898b\u305fpinout<\/a>\u306b\u3042\u308b\u3088\u3046\u306bPB0\u304cSDA,PB2\u304cSCL\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3056\u3063\u304f\u308a\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u4ee5\u4e0b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;TinyWireM.h>\n\n#define SLAVE_ADDR   0x08 \/\/ Slave\u306e\u30a2\u30c9\u30ec\u30b9\u3002\n\nvoid setup() {\n  TinyWireM.begin(); \/\/ \u958b\u59cb\n}\n\nvoid loop() {\n  int code = TinyWireM.requestFrom(SLAVE_ADDR, 1); \/\/ \u30b9\u30ec\u30fc\u30d6\u306e\u30a2\u30c9\u30ec\u30b9\u304b\u30891\u30d0\u30a4\u30c8(\u7b2c\u4e8c\u5f15\u6570)\u8aad\u307f\u8fbc\u307f\u3002\n   if ( code == 0){\n    softSerial.println(TinyWireM.read()); \/\/ \u8aad\u307f\u8fbc\u3093\u3060\u3082\u306e\u3092\u4e00\u62ec\u53d6\u5f97(\u305d\u3057\u3066\u66f8\u304d\u51fa\u3057)\n\n   } else {\n\/\/ \u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u306f\u3053\u3053\u306b\u3057\u304b\u306a\u3055\u305d\u3046https:\/\/github.com\/adafruit\/TinyWireM\/blob\/master\/USI_TWI_Master.h\n    softSerial.printf(\"error with code&#91;%d]\\n\",code);\n   }\n  delay(500);\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\u4e8b\u9805\u3068\u3057\u3066TinyWireM.requestFrom\u306e\u623b\u308a\u5024\u306f\u8981\u78ba\u8a8d\u3002\u30a8\u30e9\u30fc\u304c\u3042\u3063\u305f\u5834\u5408\u30c1\u30a7\u30c3\u30af\u3057\u306a\u3044\u3067read\u3092\u547c\u3076\u3068\u521d\u671f\u5024\u306e0\u304c\u305d\u306e\u307e\u307e\u53d6\u5f97\u3055\u308c\u308b\u3002\uff08\u30e9\u30a4\u30d6\u30e9\u30ea\u306eExample\u306f\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u306a\u3044\u3051\u3069\u5927\u4e8b\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Slave\u3068\u3057\u3066\u4f7f\u3046ArduinoNano\u306e\u8a2d\u5b9a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u547c\u3070\u308c\u305f\u3089\u8fd4\u3059\u3060\u3051\u3002\u30a2\u30c9\u30ec\u30b9\u306f0x08\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u3002\uff08\u4e88\u7d04\u30a2\u30c9\u30ec\u30b9\u4ee5\u5916\u4efb\u610f\u53ef\u306e\u306f\u305a\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;Wire.h>\r\n\r\nbyte b=0;\r\n\r\nvoid setup() {\r\n    Serial.begin(9600);\r\n  Serial.println(\"slave START\");\r\n  Wire.begin(0x08);\/\/ Slave ID #8\r\n  Wire.onRequest(requestEvent);\r\n}\r\n\r\nvoid loop() {\r\n}\r\n\r\nvoid requestEvent() {\r\n  Serial.print(\"event call current data&#91;\");\r\n   Serial.print(b);\r\n   Serial.println(\"]\");\r\n  Wire.write(b++);\r\n}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u52d5\u4f5c\u78ba\u8a8d<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u7d50\u7dda<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ATTiny\u306e\u756a\u53f7\u306f\u30d4\u30f3\u756a\u53f7(PBn\u306en\u3058\u3083\u306a\u3044)<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u5f79\u5272<\/td><td>USB\u30b7\u30ea\u30a2\u30eb\u5909\u63db<\/td><td>ATTiny<\/td><td>Nano<\/td><\/tr><tr><td>5v<\/td><td>5V\u306e\u30d4\u30f3<\/td><td>8<\/td><td>\uff15\uff56<\/td><\/tr><tr><td>GND<\/td><td>GND\u306e\u30d4\u30f3<\/td><td>4<\/td><td>GND<\/td><\/tr><tr><td>(Attiny\u304b\u3089\u307f\u3066)TX<\/td><td>RX\u306e\u30d4\u30f3<\/td><td>3<\/td><td>&#8211;<\/td><\/tr><tr><td>(Attiny\u304b\u3089\u307f\u3066)RX<\/td><td>TX\u306e\u30d4\u30f3<\/td><td>2<\/td><td>&#8211;<\/td><\/tr><tr><td>SCL<\/td><td>&#8211;<\/td><td>7<\/td><td>A5<\/td><\/tr><tr><td>SDA<\/td><td>&#8211;<\/td><td>5<\/td><td>A4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uff08\u5168\u4f53\u30bd\u30fc\u30b9\u3067\u306f\u52d5\u4f5c\u78ba\u8a8d\u7528\u306eLED\u304c\u3042\u308aATTiny\u306e\uff16\u756a\u304b\u3089\uff11K\u62b5\u6297\u7d4c\u7531\u3067\u30b0\u30e9\u30f3\u30c9\u306b\u3064\u306a\u304c\u3063\u3066\u3044\u308b\u3002\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u52d5\u4f5c\u30ed\u30b0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u6642\u306b\u3064\u306a\u3052\u308b\u3068Nano\u306e\u6e96\u5099\u304c\u3067\u304d\u308b\u307e\u3067\u898b\u3064\u304b\u3089\u306a\u3044\u65e8\u306e\u30a8\u30e9\u30fc\u304c\u8fd4\u308b\u3051\u3069\u6e96\u5099\u3067\u304d\u305f\u3089\u53d6\u5f97\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Loop &#91;1]\r\nby available\r\nerror with code&#91;3]\r\nLoop &#91;2]\r\nby available\r\nerror with code&#91;3]\r\nLoop &#91;3]\r\nby available\r\n0\r\nLoop &#91;4]\r\nby available\r\n1\r\nLoop &#91;5]\r\nby available\r\n2\r\nLoop &#91;6]\r\nby available\r\n3<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 ATTiny85\u306b\u3066\u30b9\u30ec\u30fc\u30d6\u304b\u3089I2C\u3067\u53d6\u5f97\uff08read\u306e\u307fwrite\u3057\u3066\u306a\u3044\uff09\u3057\u305f\u30c7\u30fc\u30bf\u3092PC\u306bUART\u3067\u9023\u643a\u3057\u3066\u307f\u305f\u30e1\u30e2\u3002 \u6d41\u308c\u3068\u3057\u3066\u306f\u300cMaster\u3068\u3057\u3066\u4f7f\u3046ATTiny\u306e\u6e96\u5099\/\u8a2d\u5b9a\u300d\u300cSlave\u3068\u3057\u3066\u4f7f\u3046Ar [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[117],"tags":[],"class_list":["post-1712","post","type-post","status-publish","format-standard","hentry","category-117"],"_links":{"self":[{"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=\/wp\/v2\/posts\/1712","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1712"}],"version-history":[{"count":1,"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=\/wp\/v2\/posts\/1712\/revisions"}],"predecessor-version":[{"id":1713,"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=\/wp\/v2\/posts\/1712\/revisions\/1713"}],"wp:attachment":[{"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1712"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1712"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rocher.kyoto.jp\/arbr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1712"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}