{"id":268,"date":"2022-04-11T03:10:56","date_gmt":"2022-04-10T18:10:56","guid":{"rendered":"https:\/\/drroot.page\/wp\/?p=268"},"modified":"2022-04-11T03:10:56","modified_gmt":"2022-04-10T18:10:56","slug":"mbed-os-6-0baremetal%e3%81%a7rda5807fm%e3%83%a9%e3%82%b8%e3%82%aaic%e3%82%92%e5%8f%a9%e3%81%8f","status":"publish","type":"post","link":"https:\/\/drroot.page\/wp\/?p=268","title":{"rendered":"mbed OS 6.0(baremetal)\u3067RDA5807(FM\u30e9\u30b8\u30aaIC)\u3092\u53e9\u304f"},"content":{"rendered":"

\u6982\u8981<\/h1>\n

https:\/\/qiita.com\/dabodabo\/items\/f8b52413849291a2d462<\/a>
\n\u79cb\u6708\u3067\u53d6\u308a\u6271\u3044\u304c\u59cb\u307e\u3063\u305fFM\u30e9\u30b8\u30aa\u30e2\u30b8\u30e5\u30fc\u30ebRDA5807\u306f\u3001\u4f5c\u4f8b\u3053\u305d\u3042\u308b\u3082\u306e\u306e\u3044\u307e\u3044\u3061\u60c5\u5831\u304c\u8db3\u308a\u3066\u306a\u3044\u3088\u3046\u3060\u3002
\nhttps:\/\/akizukidenshi.com\/catalog\/g\/gM-17245\/<\/a><\/p>\n

\u4eca\u56de\u306fMbed\u74b0\u5883\u4e0b\u3067\u6319\u52d5\u3092\u78ba\u8a8d\u3057\u3066\u307f\u305f\u3002<\/p>\n

<\/p>\n

\u5b9f\u88c5<\/h1>\n

arduino\u7248\u306e\u4e0b\u8abf\u3079<\/h2>\n

https:\/\/qiita.com\/dabodabo\/items\/f8b52413849291a2d462<\/a>
\n\u3053\u306e\u8a18\u4e8b\u3092\u53c2\u8003\u306b\u3001Mbed\u74b0\u5883\u3078\u306e\u79fb\u690d\u3092\u8a66\u307f\u305f\u3002
\nmbed OS\u306f\u968f\u5206\u9032\u5316\u3057\u305f\u3089\u3057\u304f\u3001\u9577\u3089\u304f\u653e\u7f6e\u3055\u308c\u3066\u3044\u305f2\u7cfb\u306f6\u7cfb\u306b\u7d71\u5408\u3055\u308c\u3001Mbed Studio\u3082Clang\u30ec\u30d9\u30eb\u306e\u30a8\u30e9\u30fc\u306f\u51fa\u308b\u304c\u30d3\u30eb\u30c9\u304b\u3089\u66f8\u304d\u8fbc\u307f\u307e\u3067\u3072\u3068\u3057\u304d\u308a\u3057\u3066\u304f\u308c\u308b\u3002
\n\u554f\u984c\u306f\u3053\u306e\u79cb\u6708\u30e9\u30b8\u30aa\u30e2\u30b8\u30e5\u30fc\u30eb\u3001\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u304c\u8b0e\u306e\u4e2d\u56fd\u8a9e\u3067\u57fa\u677f\u306b\u3064\u3044\u3066\u3057\u304b\u60c5\u5831\u304c\u306a\u304f\u3001\u30c1\u30c3\u30d7\u306e\u523b\u5370\u304b\u3089\u691c\u7d22\u3057\u3066RDA5807HS\u3068\u3044\u3046\u30de\u30a4\u30ca\u30fc\u30c1\u30a7\u30f3\u30b8\u7248\uff1f\u307f\u305f\u3044\u306aIC\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u3088\u3046\u3084\u304f\u305f\u3069\u308a\u7740\u3051\u305f\u3002
\nhttps:\/\/aitendo3.sakura.ne.jp\/aitendo_data\/product_img\/audio\/fm-module\/RDA5807HS%20datasheet_v1.2.pdf<\/a><\/p>\n

i2c\u901a\u4fe1\u304c\u3067\u304d\u306a\u3044<\/h2>\n

\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306e\u66f8\u304d\u65b9\u304c\u975e\u5e38\u306b\u308f\u304b\u308a\u306b\u304f\u3044\u4e0a\u306b\u3001\u4e0a\u8a18arduino\u7248\u8a18\u4e8b\u3092\u8aad\u3080\u3068\u308f\u304b\u308b\u304c\u30ec\u30b8\u30b9\u30bf\u5358\u4f4d\u306e\u30a2\u30af\u30bb\u30b9\u65b9\u6cd5\u304c\u306a\u3093\u3068\u8a18\u8ff0\u3055\u308c\u3066\u3044\u306a\u3044\u3002
\n\u516c\u5f0f\u3067\u306fdevice address=0b0010000[r\/w]\u306b\u5bfe\u3057\u3001register\\:0x02\u304b\u3089\u9806\u306b\u8aad\u3093\u3067\u3044\u304f\u3068\u3042\u308b\u304c\u3001\u3053\u306e\u65b9\u6cd5\u3060\u3068\u672b\u5c3e\u307e\u3067\u5168\u90e8\u306e\u30c7\u30fc\u30bf\u3092\u4e00\u62ec\u3067\u8aad\u307f\u51fa\u3059\u3089\u3057\u3044\u3002
\n\u305d\u3053\u3067\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u306f\u7121\u3044device address=0b0010001[r\/w]\u306b\u5bfe\u3057\u3001\u8aad\u307f\u51fa\u3057\u305f\u3044register addr\u3092\u66f8\u304f\u21922\u30d0\u30a4\u30c8\u8aad\u307f\u66f8\u304d\u3068\u3044\u3046\u6319\u52d5\u3092\u3055\u305b\u308b\u4e8b\u3067\u30e9\u30f3\u30c0\u30e0\u30a2\u30af\u30bb\u30b9\u304c\u3067\u304d\u308b\u3068\u3044\u3046\u306e\u3060\u3002<\/p>\n

\u4f55\u3060\u3053\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\uff01\uff1f<\/p>\n

\u5b9f\u969b\u306b\u3084\u3063\u3066\u307f\u305f<\/h2>\n
I2C i2c(CHIP_SDA, CHIP_SCL);\n#define I2C_ADDRESS (0x0011<<1)\n\n\/\/ read\u3067\u3082write\u3067\u3082\u307e\u305a\u3053\u308c\u3067\u30ec\u30b8\u30b9\u30bf\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3059\u308b\nvoid set_register(char register_addr) {\n  i2c.write(I2C_ADDRESS, &register_addr, 1, true);\n}\n\nvoid write(char addr, short data) {\n  \/\/ \u66f8\u304d\u8fbc\u307f\u6642\u306f\u30ec\u30b8\u30b9\u30bf\u306e\u30a2\u30c9\u30ec\u30b9\u2192\u30c7\u30fc\u30bf\u4e0a\u4f4d8\u30d3\u30c3\u30c8\u2192\u4e0b\u4f4d8\u30d3\u30c3\u30c8\u306e\u9806\u3067\u9001\u308b\n  \/\/ \u30b9\u30bf\u30fc\u30c8\u30d3\u30c3\u30c8\u2192\u30ec\u30b8\u30b9\u30bf\u306e\u30a2\u30c9\u30ec\u30b9\u66f8\u304f2\u30d0\u30a4\u30c8\u8aad\u307for\u66f8\u304d\u2192\u30b9\u30c8\u30c3\u30d7\u30d3\u30c3\u30c8\u3068\u9001\u308b\u306e\u3067\u3001\n  \/\/ \u52dd\u624b\u306b\u30b9\u30bf\u30fc\u30c8\/\u30b9\u30c8\u30c3\u30d7\u3092\u304b\u3051\u308bi2c.write(addr, data, len)\u306f\u4f7f\u7528\u4e0d\u53ef\n  char buf[2] = {(char)(data >> 8), (char)(data & 0xff)};\n  set_register(addr);\n  i2c.write(data >> 8);\n  i2c.write(data & 0xff);\n  i2c.stop();\n}\n\nshort read(char addr) {\n  char buf[2]={};\n  \/\/ \u8aad\u307f\u51fa\u3059\u5834\u5408\u306f\u30a2\u30c9\u30ec\u30b9\u6307\u5b9a\u5f8c\u306b\u4e00\u6c17\u8aad\u307f\u3059\u308c\u3070OK\n  set_register(addr);\n  i2c.read(I2C_ADDRESS, buf, 2);\n  return buf[0]<<8 | buf[1];\n}<\/code><\/pre>\n
\u30dd\u30a4\u30f3\u30c8\u306f\u8aad\u307f\u66f8\u304d\u306e\u969b\u306ei2c\u901a\u4fe1\u306b\u304a\u3044\u3066\u3001\u30b9\u30bf\u30fc\u30c8\/\u30b9\u30c8\u30c3\u30d7\u30d3\u30c3\u30c8\u3092\u610f\u8b58\u3057\u305f\u5b9f\u88c5\u306b\u3059\u308b\u4e8b\u3060\u3002
\ni2c\u306f\u898f\u683c\u4e0a\u30c7\u30fc\u30bf\u7dda\u306b\u30c7\u30d0\u30a4\u30b9\u30a2\u30c9\u30ec\u30b9\u3092\u9001\u308b\u306e\u3067\u3001mbed\u306e\u30a2\u30c9\u30ec\u30b9\u6307\u5b9awrite\u3092\u4f7f\u3046\u3068\u30b7\u30fc\u30b1\u30f3\u30b7\u30e3\u30eb\u306b\u30c7\u30fc\u30bf\u304c\u9001\u308c\u305a\u66f8\u304d\u8fbc\u307f\u3067\u5931\u6557\u3059\u308b\u3002
\n\u3061\u306a\u307f\u306b\u79cb\u6708\u3067\u58f2\u3063\u3066\u3044\u308bRDA5807H\u306f\u660e\u3089\u304b\u306b\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3068\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30ec\u30b8\u30b9\u30bf\u5024\u304c\u9055\u3046\u3002\u3082\u3046\u4f55\u304c\u6b63\u3057\u3044\u306e\u304b\u308f\u304b\u3089\u3093\u306e\u3067\u6c17\u306b\u3059\u308b\u3060\u3051\u7121\u99c4\u3060\u306a\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6982\u8981 https:\/\/qiita.com\/dabodabo\/items\/f8b5 … \u7d9a\u304d\u3092\u8aad\u3080 →<\/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":[3,2],"tags":[],"class_list":["post-268","post","type-post","status-publish","format-standard","hentry","category-it","category-2"],"_links":{"self":[{"href":"https:\/\/drroot.page\/wp\/index.php?rest_route=\/wp\/v2\/posts\/268","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/drroot.page\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/drroot.page\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/drroot.page\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/drroot.page\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=268"}],"version-history":[{"count":0,"href":"https:\/\/drroot.page\/wp\/index.php?rest_route=\/wp\/v2\/posts\/268\/revisions"}],"wp:attachment":[{"href":"https:\/\/drroot.page\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/drroot.page\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/drroot.page\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}