{"id":258725,"date":"2022-08-01T15:16:39","date_gmt":"2022-08-01T06:16:39","guid":{"rendered":"https:\/\/hldc.co.jp\/support\/?post_type=qna&#038;p=258725"},"modified":"2022-08-01T15:35:02","modified_gmt":"2022-08-01T06:35:02","slug":"qna-258725","status":"publish","type":"qna","link":"https:\/\/hldc.co.jp\/support\/qna\/qna-258725\/","title":{"rendered":"[Linux]GPIO4bit\/GPIO2bit\/SPI\/I2C\u63a5\u7d9a\u306e\u30c9\u30e9\u30a4\u30d0\u30ab\u30b9\u30bf\u30de\u30a4\u30ba"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;section&#8221; _builder_version=&#8221;3.22&#8243; da_disable_devices=&#8221;off|off|off&#8221; global_colors_info=&#8221;{}&#8221; da_is_popup=&#8221;off&#8221; da_exit_intent=&#8221;off&#8221; da_has_close=&#8221;on&#8221; da_alt_close=&#8221;off&#8221; da_dark_close=&#8221;off&#8221; da_not_modal=&#8221;on&#8221; da_is_singular=&#8221;off&#8221; da_with_loader=&#8221;off&#8221; da_has_shadow=&#8221;on&#8221;][et_pb_row admin_label=&#8221;row&#8221; _builder_version=&#8221;3.25&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;3.25&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.14.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>\u3053\u306e\u9805\u76ee\u3067\u306f\u3001GPIO4bit \/2bit\/SPI\/I2C\u63a5\u7d9a(\u4ee5\u4e0b\u3001\u6c4e\u7528\u30dd\u30fc\u30c8\u63a5\u7d9a)\u306e\u6c4e\u7528\u30dd\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u305f\u63a5\u7d9a\u65b9\u5f0f\u306e\u624b\u9806\u3092\u958b\u8a2d\u3057\u3066\u304a\u308a\u307e\u3059\u3002\u672c\u624b\u9806\u3067\u306f\u3001\u901a\u5e38\u306e\u30c6\u30b9\u30c8\u30dd\u30a4\u30f3\u30c8\u3092\u53d6\u5f97\u3059\u308b\u307e\u3067\u306b\u5909\u66f4\u304c\u5fc5\u8981\u306a\u7b87\u6240\u306b\u3064\u3044\u3066\u3054\u8aac\u660e\u3044\u305f\u3057\u307e\u3059\u3002\u5b9f\u969b\u5c0e\u5165\u3092\u884c\u3046\u969b\u306b\u306f\u3001\u304a\u5ba2\u69d8\u306e\u74b0\u5883\u306b\u5408\u308f\u305b\u3066DT+Trace\u306e\u5c0e\u5165\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">Contents<\/p><ul class=\"toc_list\"><li><a href=\"#i\"><span class=\"toc_number toc_depth_1\">1<\/span> \u51fa\u529b\u30dd\u30fc\u30c8\u306e\u30ec\u30b8\u30b9\u30bf\u8a2d\u5b9a\u306e\u8abf\u67fb<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u30b5\u30f3\u30d7\u30eb\u30c9\u30e9\u30a4\u30d0\u306e\u69cb\u6210<\/a><ul><li><a href=\"#GPIO4bit2bit\"><span class=\"toc_number toc_depth_2\">2.1<\/span> \u25a0GPIO4bit\/2bit\u63a5\u7d9a\u51fa\u529b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/a><\/li><li><a href=\"#SPI\"><span class=\"toc_number toc_depth_2\">2.2<\/span> \u25a0SPI\u63a5\u7d9a\u51fa\u529b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/a><\/li><li><a href=\"#I2C\"><span class=\"toc_number toc_depth_2\">2.3<\/span> \u25a0I2C\u63a5\u7d9a\u51fa\u529b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/a><\/li><\/ul><\/li><li><a href=\"#i-3\"><span class=\"toc_number toc_depth_1\">3<\/span> \u30ab\u30fc\u30cd\u30eb\u7528\u30c7\u30d0\u30a4\u30b9\u30c9\u30e9\u30a4\u30d0\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/a><ul><li><a href=\"#i-4\"><span class=\"toc_number toc_depth_2\">3.1<\/span> \u51fa\u529b\u30dd\u30fc\u30c8\u5b9a\u7fa9\u306e\u8a2d\u5b9a<\/a><\/li><li><a href=\"#i-5\"><span class=\"toc_number toc_depth_2\">3.2<\/span> \u51fa\u529b\u5236\u5fa1\u30de\u30af\u30ed\u306e\u4fee\u6b63<\/a><\/li><li><a href=\"#Includedefine\"><span class=\"toc_number toc_depth_2\">3.3<\/span> \u5404\u7a2eInclude\u3001define\u306e\u8a2d\u5b9a<\/a><\/li><\/ul><\/li><li><a href=\"#i-6\"><span class=\"toc_number toc_depth_1\">4<\/span> \u30e6\u30fc\u30b6\u30fc\u30e9\u30f3\u30c9\u7528\u306e\u30c9\u30e9\u30a4\u30d0\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/a><\/li><li><a href=\"#i-7\"><span class=\"toc_number toc_depth_1\">5<\/span> \u30ab\u30fc\u30cd\u30eb\u3001\u30e6\u30fc\u30b6\u30fc\u30e9\u30f3\u30c9\u306e\u30b3\u30f3\u30d1\u30a4\u30eb<\/a><\/li><\/ul><\/div>\n<h2><span id=\"i\">\u51fa\u529b\u30dd\u30fc\u30c8\u306e\u30ec\u30b8\u30b9\u30bf\u8a2d\u5b9a\u306e\u8abf\u67fb<\/span><\/h2>\n<p>\u6c4e\u7528\u30dd\u30fc\u30c8\u63a5\u7d9a\u3067\u306f\u3001DBOX+Trace\u3068\u63a5\u7d9a\u3059\u308b\u30dd\u30fc\u30c8\u306eHI\/LOW\u5236\u5fa1\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u51fa\u529b\u30dd\u30fc\u30c8\u306e\u30ec\u30b8\u30b9\u30bf\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u8abf\u67fb\u3044\u305f\u3060\u304d\u3001\u4f7f\u7528\u3059\u308b\u30dd\u30fc\u30c8\u3092\u51fa\u529b\u30dd\u30fc\u30c8\u306b\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2><span id=\"i-2\">\u30b5\u30f3\u30d7\u30eb\u30c9\u30e9\u30a4\u30d0\u306e\u69cb\u6210<\/span><\/h2>\n<pre><code>Driver_DT\n-dt_tpdrv.c\u30fb\u30fb\u30fb\u30e6\u30fc\u30b6\u30fc\u30e9\u30f3\u30c9\u5074\u306e\u51fa\u529b\u7528\u30c9\u30e9\u30a4\u30d0\u3002\n\t\t\t\t\u30ab\u30fc\u30cd\u30eb\u5c64\u306e\u30c7\u30d0\u30a4\u30b9\u30c9\u30e9\u30a4\u30d0\u3092\u30b3\u30fc\u30eb\u3057Write\u3059\u308b\u3002\nDriver_xxx\n-dt_xxx_drv.c\u30fb\u30fb\u30fb\u30ab\u30fc\u30cd\u30eb\u5074\u306e\u51fa\u529b\u7528\u306e\u30c7\u30d0\u30a4\u30b9\u30c9\u30e9\u30a4\u30d0\n(\u203b&quot;xxx&quot;\u306e\u90e8\u5206\u306f\u5404\u63a5\u7d9a\u65b9\u5f0f\u306b\u306a\u308a\u307e\u3059\u3002)\n<\/code><\/pre>\n<p>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3044\u305f\u3060\u3044\u305f\u30b5\u30f3\u30d7\u30eb\u30c9\u30e9\u30a4\u30d0\u306f\u3001\u4ee5\u4e0b\u306e\u30c7\u30fc\u30bf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u30c7\u30fc\u30bf\u3092\u51fa\u529b\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n<div style=\"page-break-before:always\"><\/div>\n<h3><span id=\"GPIO4bit2bit\">\u25a0GPIO4bit\/2bit\u63a5\u7d9a\u51fa\u529b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/span><\/h3>\n<p><img decoding=\"async\" data-src=\"https:\/\/hldc.co.jp\/support\/wp-content\/uploads\/2022\/08\/258725_01.png\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 641px; --smush-placeholder-aspect-ratio: 641\/136;\"><\/p>\n<ul>\n<li>GPIO2bit\u306e\u5834\u5408\u306f\u3001DAT[0:1]<\/li>\n<li>\u30c7\u30fc\u30bf\u306f\u30014bit\/2bit\u30d1\u30e9\u30ec\u30eb\u8ee2\u9001\u3068\u3057\u3001\u4ee5\u4e0b\u306e\u9805\u76ee\u9806\u5e8f\u3067MSB First\u51fa\u529b\u3068\u306a\u308a\u307e\u3059\u3002<\/li>\n<li>\u30e9\u30c3\u30c1\u30bf\u30a4\u30df\u30f3\u30b0\u306f\u3001CLK\u306e\u7acb\u3061\u4e0a\u304c\u308a\u3068\u7acb\u3061\u4e0b\u304c\u308a\u306e\u4e21\u30a8\u30c3\u30b8\u3067\u3059\u3002<\/li>\n<\/ul>\n<p>\u203b4bit\u306e\u5834\u5408\u306f\u3001addr\u306e\u30d3\u30c3\u30c8\u6570\u306f\u53ef\u5909\u9577(0\/4\/8\/12\/16\/20\/24)\u3068\u3057\u300124bit\u306b\u6e80\u305f\u306a\u3044\u5206\u306e\u4e0a\u4f4d\u30d3\u30c3\u30c8\u306f\u30bc\u30ed\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u3002<\/p>\n<p>\u203b2bit\u306e\u5834\u5408\u306f\u3001addr\u306e\u30d3\u30c3\u30c8\u6570\u306f\u53ef\u5909\u9577(0\/2\/4\/8\/10\/12\/14\/16\/18\/20\/22\/24)\u3068\u3057\u300124bit\u306b\u6e80\u305f\u306a\u3044\u4e0a\u4f4d\u30d3\u30c3\u30c8\u306f\u30bc\u30ed\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u3002<\/p>\n<h3><span id=\"SPI\">\u25a0SPI\u63a5\u7d9a\u51fa\u529b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/span><\/h3>\n<p><img decoding=\"async\" data-src=\"https:\/\/hldc.co.jp\/support\/wp-content\/uploads\/2022\/08\/258725_02.png\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 642px; --smush-placeholder-aspect-ratio: 642\/142;\"><\/p>\n<ul>\n<li>\u30c7\u30fc\u30bf\u306f\u30011bit\u30b7\u30ea\u30a2\u30eb\u8ee2\u9001\u3068\u3057\u3001\u4ee5\u4e0b\u306e\u9805\u76ee\u9806\u5e8f\u3067MSB First\u51fa\u529b\u3068\u3057\u307e\u3059\u3002<\/li>\n<li>\u30e9\u30c3\u30c1\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u306f\u3001CLK\u306e\u7acb\u3061\u4e0a\u304c\u308a\u30a8\u30c3\u30b8\u3067\u3059\u3002<\/li>\n<\/ul>\n<ol start='' >\n<li>_TP_BusOut()\u306e\u5f15\u6570dat(16bit)<\/li>\n<li>_TP_BusOut()\u306e\u5f15\u6570addr(0~24bit)<\/li>\n<\/ol>\n<p>\u203baddr\u306e\u30d3\u30c3\u30c8\u6570\u306f\u53ef\u5909\u9577\u3068\u3057\u300124bit\u306b\u6e80\u305f\u306a\u3044\u5206\u306e\u4e0a\u4f4d\u30d3\u30c3\u30c8\u306f\u30bc\u30ed\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u3002<\/p>\n<h3><span id=\"I2C\">\u25a0I2C\u63a5\u7d9a\u51fa\u529b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/span><\/h3>\n<p><img decoding=\"async\" data-src=\"https:\/\/hldc.co.jp\/support\/wp-content\/uploads\/2022\/08\/258725_03.png\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 921px; --smush-placeholder-aspect-ratio: 921\/211;\"><\/p>\n<ul>\n<li>\u30c7\u30fc\u30bf\u306f\u30011bit\u30b7\u30ea\u30a2\u30eb\u8ee2\u9001\u3068\u3057\u3001\u4ee5\u4e0b\u306e\u9805\u76ee\u9806\u5e8f\u3067MSB First\u51fa\u529b\u3068\u3059\u308b\u3002<\/li>\n<li>9bit\u76ee\u306f\u3001Low\u56fa\u5b9a\u3067\u51fa\u529b\u3059\u308b\u3002<\/li>\n<li>\u30e9\u30c3\u30c1\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u306f\u3001CLK\u306e\u7acb\u3061\u4e0a\u304c\u308a\u30a8\u30c3\u30b8\u3002<\/li>\n<\/ul>\n<ol start='' >\n<li>_TP_BusOut()\u306e\u5f15\u6570dat(2byte)<\/li>\n<li>_TP_BusOut()\u306e\u5f15\u6570addr(1\uff5e3byte)<\/li>\n<\/ol>\n<p>\u203baddr\u306e\u30d3\u30c3\u30c8\u6570\u306f\u53ef\u5909\u9577\u3068\u3057\u30013byte\u306b\u6e80\u305f\u306a\u3044\u5206\u306e\u4e0a\u4f4d\u30d3\u30c3\u30c8\u306f\u30bc\u30ed\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u3002<\/p>\n<div style=\"page-break-before:always\"><\/div>\n<h2><span id=\"i-3\">\u30ab\u30fc\u30cd\u30eb\u7528\u30c7\u30d0\u30a4\u30b9\u30c9\u30e9\u30a4\u30d0\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/span><\/h2>\n<p>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3044\u305f\u3060\u3044\u305f\u30d5\u30a1\u30a4\u30eb\u306b\u3064\u3044\u3066\u3001\u4ee5\u4e0b\u306e\u5185\u5bb9\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u74b0\u5883\u306b\u5408\u308f\u305b\u3066\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3><span id=\"i-4\">\u51fa\u529b\u30dd\u30fc\u30c8\u5b9a\u7fa9\u306e\u8a2d\u5b9a<\/span><\/h3>\n<pre><code>\/*==============================================================================*\/\n\/* Desc: GPIO Control setting                                                   *\/\n\/*==============================================================================*\/\n\n#define CS_BIT 7 \/* CS *\/\n#define CLK_BIT 25 \/* CLK *\/\n#define DATA0_BIT 8 \/* DATA0 *\/\n#define DATA1_BIT 9 \/* DATA1 *\/\n#define DATA2_BIT 10 \/* DATA2 *\/\n#define DATA3_BIT 11 \/* DATA3 *\/ \n<\/code><\/pre>\n<p>GPIO4bit\/2bit\/SPI\/I2C\u3067\u4f7f\u7528\u3059\u308b\u51fa\u529b\u30dd\u30fc\u30c8\u306e\u8a2d\u5b9a\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u4e0a\u8a18\u306e\u4f8b\u306fGPIO4bit\u306e\u4f8b\u3068\u306a\u3063\u3066\u304a\u308a\u307e\u3059\u3002GPIO4bit\/2bit\u306e\u5834\u5408\u306f\u3001\u4f7f\u7528\u3059\u308b4\u307e\u305f\u306f2\u30dd\u30fc\u30c8\u3092\u5b9a\u7fa9\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3><span id=\"i-5\">\u51fa\u529b\u5236\u5fa1\u30de\u30af\u30ed\u306e\u4fee\u6b63<\/span><\/h3>\n<p>\u30b5\u30f3\u30d7\u30eb\u30c9\u30e9\u30a4\u30d0\u3067\u306f\u3001\u5404\u30dd\u30fc\u30c8\u306eHI\/LOW\u5236\u5fa1\u3092\u30de\u30af\u30ed\u3067\u64cd\u4f5c\u3057\u3066\u304a\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u30de\u30af\u30ed\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u74b0\u5883\u306b\u5408\u308f\u305b\u3066\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre><code>#define\tINP_GPIO(g) iowrite32(\\\n\tioread32( (void*)((int *)iop+(g)\/10) ) &amp; ~(7&lt;&lt;(((g)%10)*3)), \\\n\t\t  (void*)((int *)iop+(g)\/10) )\n#define OUT_GPIO(g) iowrite32(\\\n\tioread32( (void*)((int *)iop+(g)\/10) ) | (1&lt;&lt;(((g)%10)*3)), \\\n\t\t  (void*)((int *)iop+(g)\/10) )\n#define\tGPIO_SET(g) iowrite32( 1&lt;&lt;(g), (void*)((int *)iop+7) )\n#define\tGPIO_CLR(g) iowrite32( 1&lt;&lt;(g), (void*)((int *)iop+10) )\n#define\tGPIO_GET ioread32((void*)((int *)iop+13))\n<\/code><\/pre>\n<p>\u4f7f\u7528\u3059\u308b\u5404\u30dd\u30fc\u30c8\u3092\u5236\u5fa1\u3059\u308b\u30de\u30af\u30ed\u5b9a\u7fa9\u3067\u3059\u3002iowrite\/read\u3092\u4f7f\u7528\u3057\u30dd\u30fc\u30c8\u30ec\u30b8\u30b9\u30bf\u3092\u5236\u5fa1\u3057\u3066\u3044\u307e\u3059\u3002\u3082\u3057\u3001\u4e0a\u8a18\u306e\u3088\u3046\u306a\u5b9a\u7fa9\u304c\u96e3\u3057\u3044\u5834\u5408\u3067\u3042\u308c\u3070\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u74b0\u5883\u304c\u7528\u610f\u3057\u3066\u3044\u308b\u30dd\u30fc\u30c8\u5236\u5fa1\u7528\u306eKernelAPI\u3092\u4f7f\u7528\u3059\u308b\u5f62\u3067\u3082\u69cb\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u25a0GPIO4bit \/ 2bit \/SPI\u306e\u5834\u5408<\/p>\n<pre><code>#define CLK_CS_HI { \\\nGPIO_SET(CS_BIT); \\\nGPIO_SET(CLK_BIT); \\\n}\n<\/code><\/pre>\n<p>CS\u3001CLK\u30dd\u30fc\u30c8\u3092\u4e21\u65b9HI\u306b\u3059\u308b\u30de\u30af\u30ed\u3067\u3059\u3002\u30dd\u30fc\u30c8\u5236\u5fa1\u30ec\u30b8\u30b9\u30bf\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u74b0\u5883\u306b\u5408\u308f\u305b\u3066\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre><code>#define CS_HI { \\\nGPIO_SET(CS_BIT); \\\n}\n\n#define CS_LOW { \\\nGPIO_CLR(CS_BIT); \\\n}\n\n#define CLK_HI { \\\nGPIO_SET(CLK_BIT); \\\n}\n#define CLK_LOW { \\\nGPIO_CLR(CLK_BIT); \\\n} \n<\/code><\/pre>\n<p>CLK\u3001CS\u306e\u5404\u30dd\u30fc\u30c8\u306eHI\/LOW\u306b\u3059\u308b\u30de\u30af\u30ed\u3067\u3059\u3002\u4e0a\u8a18\u306eCLK_CS_HI\u540c\u69d8\u3001\u3054\u5909\u66f4\u304f\u3060\u3055\u3044\u3002\u306a\u304a\u3001CLK\u306b\u3064\u3044\u3066\u306fGPIO\u306e\u5834\u5408\u306e\u307f\u306e\u8a2d\u5b9a\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u25a0I2C\u306e\u5834\u5408<\/p>\n<pre><code>#define\tSTART_CON\t{\t\t\t\\\n\tGPIO_CLR(DAT0_BIT);\t\t\t\\\n}\n#define\tSTOP_CON\t{\t\t\t\\\n\tGPIO_SET(DAT0_BIT);\t\t\t\\\n}\n#define RESTART_CON\t{\t\t\t\\\n\tGPIO_CLR(CLK_BIT);\t\t\t\\\n\tGPIO_SET(DAT0_BIT);\t\t\t\\\n\tGPIO_SET(CLK_BIT);\t\t\t\\\n\tGPIO_CLR(DAT0_BIT);\t\t\t\\\n}\n<\/code><\/pre>\n<p>DATA\u3001CLK\u305d\u308c\u305e\u308c\u306e\u30dd\u30fc\u30c8\u3092HI\/LOW\u306b\u3059\u308b\u30de\u30af\u30ed\u3067\u3059\u3002\u30dd\u30fc\u30c8\u5236\u5fa1\u30ec\u30b8\u30b9\u30bf\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u74b0\u5883\u306b\u5408\u308f\u305b\u3066\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u25a0GPIO4bit\/2bit\u306e\u5834\u5408<\/p>\n<pre><code>#define DATA_OUT(x) { \\\n( (x) &amp; 0x1) ? GPIO_SET(DAT0_BIT) : GPIO_CLR(DAT0_BIT); \\\n( (x) &amp; 0x2) ? GPIO_SET(DAT1_BIT) : GPIO_CLR(DAT1_BIT); \\\n( (x) &amp; 0x4) ? GPIO_SET(DAT2_BIT) : GPIO_CLR(DAT2_BIT); \\\n( (x) &amp; 0x8) ? GPIO_SET(DAT3_BIT) : GPIO_CLR(DAT3_BIT); \\\n} \n<\/code><\/pre>\n<p>\u25a0SPI\/I2C\u306e\u5834\u5408<\/p>\n<pre><code>#define DATA_OUT(x) { \\\nGPIO_CLR(CLK_BIT); \\\nif( (x) ){ \\\nGPIO_SET(DAT0_BIT); \\\n} \\\nelse{ \\\nGPIO_CLR(DAT0_BIT); \\\n} \\\nGPIO_SET(CLK_BIT); \\\n} \n<\/code><\/pre>\n<p>DATA\u3001CLK\u305d\u308c\u305e\u308c\u306e\u30dd\u30fc\u30c8\u306eHI\/LOW\u306b\u3059\u308b\u30de\u30af\u30ed\u3067\u3059\u3002GPIO\u3068\u9055\u3044\u3001CLK\u5074\u306e\u5236\u5fa1\u3082\u3053\u3061\u3089\u3067\u884c\u3063\u3066\u304a\u308a\u307e\u3059\u3002x\u306b\u306f0\u304b\u305d\u308c\u4ee5\u5916\u306e\u306e\u30c7\u30fc\u30bf\u304c\u6e21\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>DAT0-3\u306a\u3044\u30570-1\u306e\u5404\u30dd\u30fc\u30c8\u306eHI\/LOW\u306b\u3059\u308b\u30de\u30af\u30ed\u3067\u3059\u3002x\u306b\u306f4bit\u306a\u3044\u30572bit\u306e\u30c7\u30fc\u30bf\u304c\u6e21\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3><span id=\"Includedefine\">\u5404\u7a2eInclude\u3001define\u306e\u8a2d\u5b9a<\/span><\/h3>\n<pre><code>\/*==============================================================================*\/\n\/* Desc: Header for PORT Control                                                *\/\n\/*==============================================================================*\/\n#include #include #include \/\/ printk ();\n\n#include \/\/ everything\n#include \/\/ error codes\n#include \/\/ size_t\n#include \/\/ O_ACCMODE\n#include \/\/ cli(); *_flags\n#include \/\/ copy_from\/to_user\n#include \/\/ cdev struct.\n#include \/\/ gettid();\n#include\n\n#include\n\n#define LICENSE \u201cGPL v2\u201d \n<\/code><\/pre>\n<p>\u5404\u30dd\u30fc\u30c8\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u7b49\u306b\u5fc5\u8981\u306a\u30d8\u30c3\u30c0\u30d5\u30a1\u30a4\u30eb\u3092Include\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2><span id=\"i-6\">\u30e6\u30fc\u30b6\u30fc\u30e9\u30f3\u30c9\u7528\u306e\u30c9\u30e9\u30a4\u30d0\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/span><\/h2>\n<p>\u30e6\u30fc\u30b6\u30fc\u30e9\u30f3\u30c9\u5c64\u306e\u30c9\u30e9\u30a4\u30d0\u306b\u3064\u3044\u3066\u306f\u57fa\u672c\u7684\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u306f\u5fc5\u8981\u3054\u3056\u3044\u307e\u305b\u3093\u3002\u30c6\u30b9\u30c8\u30bf\u30fc\u30b2\u30c3\u30c8\u30a2\u30d7\u30ea\u3068\u540c\u69d8\u306e\u74b0\u5883\u306b\u3044\u308c\u3066\u3044\u305f\u3060\u304d\u3001Make\u5bfe\u8c61\u3068\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2><span id=\"i-7\">\u30ab\u30fc\u30cd\u30eb\u3001\u30e6\u30fc\u30b6\u30fc\u30e9\u30f3\u30c9\u306e\u30b3\u30f3\u30d1\u30a4\u30eb<\/span><\/h2>\n<p>\u304a\u4f7f\u3044\u306e\u958b\u767a\u74b0\u5883\u306b\u3054\u5909\u66f4\u3044\u305f\u3060\u3044\u305f\u30c9\u30e9\u30a4\u30d0\u30d5\u30a1\u30a4\u30eb\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002Makefile\u306b\u8ffd\u52a0\u3057\u3066\u3044\u305f\u3060\u304f\u306a\u3069\u3057\u3066\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u3067\u304d\u308b\u304b\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_text][et_pb_text admin_label=&#8221;\u95a2\u9023\u8a18\u4e8b&#8221; _builder_version=&#8221;4.14.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h6 style=\"margin: 0 0 1em;\">\u95a2\u9023\u8a18\u4e8b<\/h6>\n<p>&#8211; <a href=\"https:\/\/hldc.co.jp\/support\/qna\/qna-257863\/\"> Linux\u6a5f\u5668\u3078\u306e\u30c9\u30e9\u30a4\u30d0\u767b\u9332<\/a>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u9805\u76ee\u3067\u306f\u3001GPIO4bit \/2bit\/SPI\/I2C\u63a5\u7d9a(\u4ee5\u4e0b\u3001\u6c4e\u7528\u30dd\u30fc\u30c8\u63a5\u7d9a)\u306e\u6c4e\u7528\u30dd\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u305f\u63a5\u7d9a\u65b9\u5f0f\u306e\u624b\u9806\u3092\u958b\u8a2d\u3057\u3066\u304a\u308a\u307e\u3059\u3002\u672c\u624b\u9806\u3067\u306f\u3001\u901a\u5e38\u306e\u30c6\u30b9\u30c8\u30dd\u30a4\u30f3\u30c8\u3092\u53d6\u5f97\u3059\u308b\u307e\u3067\u306b\u5909\u66f4\u304c\u5fc5\u8981\u306a\u7b87\u6240\u306b\u3064\u3044\u3066\u3054\u8aac\u660e&#8230;<\/p>\n","protected":false},"author":6,"featured_media":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":"","_links_to":"","_links_to_target":""},"qna_category":[33],"qna_tag":[48,46],"class_list":["post-258725","qna","type-qna","status-publish","hentry","qna_category-how-to","qna_tag-48","qna_tag-46"],"acf":[],"_links":{"self":[{"href":"https:\/\/hldc.co.jp\/support\/wp-json\/wp\/v2\/qna\/258725","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hldc.co.jp\/support\/wp-json\/wp\/v2\/qna"}],"about":[{"href":"https:\/\/hldc.co.jp\/support\/wp-json\/wp\/v2\/types\/qna"}],"author":[{"embeddable":true,"href":"https:\/\/hldc.co.jp\/support\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/hldc.co.jp\/support\/wp-json\/wp\/v2\/comments?post=258725"}],"version-history":[{"count":10,"href":"https:\/\/hldc.co.jp\/support\/wp-json\/wp\/v2\/qna\/258725\/revisions"}],"predecessor-version":[{"id":258745,"href":"https:\/\/hldc.co.jp\/support\/wp-json\/wp\/v2\/qna\/258725\/revisions\/258745"}],"wp:attachment":[{"href":"https:\/\/hldc.co.jp\/support\/wp-json\/wp\/v2\/media?parent=258725"}],"wp:term":[{"taxonomy":"qna_category","embeddable":true,"href":"https:\/\/hldc.co.jp\/support\/wp-json\/wp\/v2\/qna_category?post=258725"},{"taxonomy":"qna_tag","embeddable":true,"href":"https:\/\/hldc.co.jp\/support\/wp-json\/wp\/v2\/qna_tag?post=258725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}