{"id":1942,"date":"2025-10-07T17:38:28","date_gmt":"2025-10-07T09:38:28","guid":{"rendered":"https:\/\/xujiwei.com\/blog\/?p=1942"},"modified":"2025-10-07T17:38:28","modified_gmt":"2025-10-07T09:38:28","slug":"oled-framebuffer-driver","status":"publish","type":"post","link":"https:\/\/xujiwei.com\/blog\/2025\/10\/oled-framebuffer-driver\/","title":{"rendered":"\u4f7f\u7528 C \u8bed\u8a00\u4f4d\u8fd0\u7b97\u64cd\u4f5c\uff0c\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u9ad8\u6548\u7684\u5355\u7247\u673a OLED framebuffer \u9a71\u52a8"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<p class=\"ez-toc-title\">\u6587\u7ae0\u76ee\u5f55<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69e4dc037f799\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69e4dc037f799\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/xujiwei.com\/blog\/2025\/10\/oled-framebuffer-driver\/#%E5%AD%97%E4%BD%93%E5%8F%8A%E4%BD%8D%E5%9B%BE%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84\" title=\"\u5b57\u4f53\u53ca\u4f4d\u56fe\u6570\u636e\u7ed3\u6784\">\u5b57\u4f53\u53ca\u4f4d\u56fe\u6570\u636e\u7ed3\u6784<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/xujiwei.com\/blog\/2025\/10\/oled-framebuffer-driver\/#%E4%B8%BA%E4%BB%80%E4%B9%88%E4%BD%BF%E7%94%A8_framebuffer\" title=\"\u4e3a\u4ec0\u4e48\u4f7f\u7528 framebuffer\">\u4e3a\u4ec0\u4e48\u4f7f\u7528 framebuffer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/xujiwei.com\/blog\/2025\/10\/oled-framebuffer-driver\/#%E6%A0%B8%E5%BF%83%E5%87%BD%E6%95%B0%E8%AE%BE%E8%AE%A1\" title=\"\u6838\u5fc3\u51fd\u6570\u8bbe\u8ba1\">\u6838\u5fc3\u51fd\u6570\u8bbe\u8ba1<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/xujiwei.com\/blog\/2025\/10\/oled-framebuffer-driver\/#framebuffer_%E5%AE%9A%E4%B9%89\" title=\"framebuffer \u5b9a\u4e49\">framebuffer \u5b9a\u4e49<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/xujiwei.com\/blog\/2025\/10\/oled-framebuffer-driver\/#%E6%A0%B8%E5%BF%83%E5%87%BD%E6%95%B0_display_draw_xbmp\" title=\"\u6838\u5fc3\u51fd\u6570 display_draw_xbmp\">\u6838\u5fc3\u51fd\u6570 display_draw_xbmp<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/xujiwei.com\/blog\/2025\/10\/oled-framebuffer-driver\/#%E8%AE%BE%E8%AE%A1%E6%8B%86%E8%A7%A3\" title=\"\u8bbe\u8ba1\u62c6\u89e3\">\u8bbe\u8ba1\u62c6\u89e3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/xujiwei.com\/blog\/2025\/10\/oled-framebuffer-driver\/#%E6%B8%85%E5%B1%8F%E5%87%BD%E6%95%B0\" title=\"\u6e05\u5c4f\u51fd\u6570\">\u6e05\u5c4f\u51fd\u6570<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/xujiwei.com\/blog\/2025\/10\/oled-framebuffer-driver\/#%E7%9B%B8%E6%AF%94%E7%9B%B4%E6%8E%A5%E5%86%99_OLED_%E6%98%BE%E5%AD%98%E7%9A%84%E4%BC%98%E5%8A%BF\" title=\"\u76f8\u6bd4\u76f4\u63a5\u5199 OLED \u663e\u5b58\u7684\u4f18\u52bf\">\u76f8\u6bd4\u76f4\u63a5\u5199 OLED \u663e\u5b58\u7684\u4f18\u52bf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/xujiwei.com\/blog\/2025\/10\/oled-framebuffer-driver\/#%E6%80%BB%E7%BB%93\" title=\"\u603b\u7ed3\">\u603b\u7ed3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/xujiwei.com\/blog\/2025\/10\/oled-framebuffer-driver\/#%E5%8F%82%E8%80%83%E8%B5%84%E6%96%99\" title=\"\u53c2\u8003\u8d44\u6599\">\u53c2\u8003\u8d44\u6599<\/a><\/li><\/ul><\/nav><\/div>\n<p>\u5728\u4e4b\u524d\u505a CH32V003 \u7cfb\u5217\u9879\u76ee\u65f6\uff0c\u603b\u662f\u4f1a\u7528\u5230 0.96 \u5bf8 12864 OLED \u5c4f\u5e55\uff0c\u7528\u6765\u663e\u793a\u6570\u636e\u548c\u8fdb\u884c\u7528\u6237\u4ea4\u4e92\u64cd\u4f5c\u3002\u4e00\u5f00\u59cb\u662f\u76f4\u63a5\u7528\u4e86 CH32V003-GameConsole \u9879\u76ee\u4e2d\u7684 <code>oled_min.c<\/code>\uff0c\u4e0d\u8fc7\u90a3\u4e2a\u662f\u53ea\u7528\u6765\u663e\u793a\u4e00\u4e2a\u4f4d\u56fe\uff0c\u5e76\u4e14\u8fd8\u4e0d\u592a\u80fd\u652f\u6301\u4efb\u610f\u4f4d\u7f6e\u663e\u793a\uff0c\u56e0\u6b64\u5c31\u9700\u8981\u6539\u9020\u4e00\u756a\u3002<\/p>\n<p>\u53e6\u5916\u4e4b\u524d\u5728\u505a\u7535\u6d41\u8868\u9879\u76ee\u65f6\uff0c\u4e5f\u627e\u4e86\u597d\u591a\u70b9\u9635\u5b57\u4f53\uff0c\u53d1\u73b0\u90fd\u662f\u7528\u4e86\u4e00\u4e2a <code>DCfont<\/code> \u7684\u7ed3\u6784\u4f53\uff0c\u5982\u679c\u80fd\u517c\u5bb9\u8fd9\u4e2a\u683c\u5f0f\uff0c\u540e\u7eed\u9879\u76ee\u4e2d\u4f7f\u7528\u4e0d\u540c\u5b57\u4f53\u65f6\u5c31\u53ef\u4ee5\u5f88\u65b9\u4fbf\u7684\u66ff\u6362\u4e86\u3002<\/p>\n<p>\u81f3\u4e8e\u4e3a\u4ec0\u4e48\u8981\u81ea\u5df1\u5199\u8fd9\u4e2a\u5e93\uff0c\u662f\u56e0\u4e3a\u8fd9\u4e2a\u662f\u5728 CH32V003 \u4e0a\u7528\u7684\uff0c16KB Flash + 2KB SRAM \u7684\u8d44\u6e90\u76f8\u5f53\u7d27\u5f20\uff0c\u6ca1\u529e\u6cd5\u4f7f\u7528 Arduino \u4e2d\u6210\u719f\u7684\u5e93\uff0c\u53ea\u597d\u81ea\u5df1\u5199\u4e00\u4e2a\uff0c\u987a\u4fbf\u5b66\u4e60\u4e00\u4e0b\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E5%AD%97%E4%BD%93%E5%8F%8A%E4%BD%8D%E5%9B%BE%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84\"><\/span>\u5b57\u4f53\u53ca\u4f4d\u56fe\u6570\u636e\u7ed3\u6784<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code>DCfont<\/code> \u8fd9\u4e2a\u6570\u636e\u7ed3\u6784\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre><code class=\"language-c\">struct DCfont {\n    uint8_t *data;\n    uint8_t width;\n    uint8_t height;\n    uint8_t min, max;\n};<\/code><\/pre>\n<p>\u521a\u597d\u5bf9\u4e8e<strong>\u5355\u8272 XBMP \u56fe\u50cf<\/strong>\u6765\u8bf4\uff0c\u5728\u6e32\u67d3\u65f6\u4e5f\u5dee\u4e0d\u591a\u662f\u9700\u8981\u76f8\u540c\u7684\u53c2\u6570\uff0c\u521a\u597d\u7528\u540c\u4e00\u4e2a\u51fd\u6570\u6765\u540c\u65f6\u517c\u5bb9\u7ed8\u5236 <code>DCfont<\/code> \u548c XBMP \u4e86\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E4%B8%BA%E4%BB%80%E4%B9%88%E4%BD%BF%E7%94%A8_framebuffer\"><\/span>\u4e3a\u4ec0\u4e48\u4f7f\u7528 framebuffer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5bf9\u4e8e\u5e38\u7528\u7684 12864 OLED \u6765\u8bf4\uff0cOLED \u63a7\u5236\u5668\u901a\u5e38\u628a\u7ad6\u76f4\u65b9\u5411 8\u202f\u4e2a\u50cf\u7d20\u6253\u5305\u6210 1\u202f\u4e2a\u5b57\u8282\uff0c\u5b58\u4e3a\u201c\u9875\uff08page\uff09\u201d\uff0c\u63a7\u5236\u5668\u5e76\u4e0d\u80fd\u8de8\u9875\u663e\u793a\u96f6\u6563\u7684\u50cf\u7d20\u3002<\/p>\n<p>\u5728\u539f\u6765\u7684 TinyConsole \u9879\u76ee\u4e2d\uff0c\u4f4d\u56fe\u662f\u76f4\u63a5\u53d1\u9001\u5230 OLED \u9a71\u52a8\u82af\u7247\u7684\u663e\u5b58\u4e2d\uff0c\u8fd9\u6837\u7684\u8bdd\u5728\u663e\u793a\u4f4d\u56fe\u65f6\uff0cY \u5750\u6807\u5c31\u53ea\u80fd\u6309 8 \u7684\u500d\u6570\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n<p>\u56e0\u6b64\u5982\u679c\u60f3\u8981\u4f4d\u56fe\u5728\u4efb\u610f\u4f4d\u7f6e\u80fd\u663e\u793a\uff0c\u6216\u8005\u60f3\u753b\u70b9\uff0c\u5c31\u5fc5\u987b\u9700\u8981\u5148\u5728 MCU \u4e2d\u5904\u7406\u597d\uff0c\u518d\u53d1\u9001\u5230 OLED \u63a7\u5236\u5668\u4e2d\u3002<\/p>\n<p>\u5bf9\u4e8e 128x64 \u5206\u8fa8\u7387\u7684 OLED \u6765\u8bf4\uff0c\u5982\u679c\u9700\u8981\u5728\u5185\u5b58\u4e2d\u4fdd\u5b58\u5168\u5c4f\u5e55\u7684\u50cf\u7d20\u6570\u636e\uff0c\u5c31\u9700\u8981 <code>128*64\/8=1,024<\/code> \u5b57\u8282\uff0c\u521a\u597d 1KB\u3002<\/p>\n<p>\u867d\u7136\u5bf9\u4e8e CH32V003 \u7684 2K \u5185\u5b58\u6765\u8bf4\uff0c1KB \u6709\u70b9\u5927\uff0c\u4e0d\u8fc7\u4e3a\u4e86\u80fd\u65b9\u4fbf\u663e\u793a\u4f4d\u56fe\uff0c\u8fd8\u662f\u53ef\u4ee5\u5728\u5176\u4ed6\u5730\u65b9\u7701\u4e00\u7701\u7684 \ud83d\ude48\u3002<\/p>\n<p>\u53e6\u5916 WCH \u8fd8\u63a8\u51fa\u4e86 CH32V003 \u7684\u5347\u7ea7\u6b3e CH32V006\uff0c\u62e5\u6709 8KB \u5185\u5b58\uff0c\u8fd9\u6837\u5c31\u4e0d\u7528\u62c5\u5fc3\u5185\u5b58\u4e0d\u591f\u7528\u4e86 \ud83d\ude03\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E6%A0%B8%E5%BF%83%E5%87%BD%E6%95%B0%E8%AE%BE%E8%AE%A1\"><\/span>\u6838\u5fc3\u51fd\u6570\u8bbe\u8ba1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u8981\u5b9e\u73b0\u8fd9\u4e2a\u9a71\u52a8\uff0c\u4e3b\u8981\u5c31\u662f\u5b9a\u4e49\u4e00\u4e2a framebuffer\uff0c\u5e76\u4e14\u7f16\u5199\u7ed8\u5236\u4f4d\u56fe\u51fd\u6570\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"framebuffer_%E5%AE%9A%E4%B9%89\"><\/span><strong>framebuffer \u5b9a\u4e49<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u76f4\u63a5\u5206\u914d\u4e00\u5757 1KB \u7684\u5185\u5b58\u7528\u4f5c OLED \u7684 framebuffer\u3002<\/p>\n<pre><code class=\"language-c\">#define BUF_LEN (128 * 64 \/ 8)\nstatic uint8_t display_buffer[BUF_LEN] = { 0 };<\/code><\/pre>\n<h3><span class=\"ez-toc-section\" id=\"%E6%A0%B8%E5%BF%83%E5%87%BD%E6%95%B0_display_draw_xbmp\"><\/span><strong>\u6838\u5fc3\u51fd\u6570 display_draw_xbmp<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<pre><code class=\"language-c\">void display_draw_xbmp(int x, int y, int w, int h, const uint8_t *data) {\n    int byte_offset = y % 8;\n    for (int tx = 0; tx &lt; w; ++tx) {\n        int px = tx + x;\n        if (px &gt;= 128) {\n            break;\n        }\n        if (px &lt; 0) {\n            continue;\n        }\n        uint8_t prev_b = 0;\n        int ty_len = (h \/ 8) + (h % 8 &gt; 0 ? 1 : 0);\n        int py = 0;\n        for (int ty = 0; ty &lt; ty_len; ++ty) {\n            py = y \/ 8 + ty;\n            if (py &gt;= 8) {\n                continue;\n            }\n            uint8_t b = *(data + (ty * w + tx));\n            uint8_t b2 = b;\n            b = (b &lt;&lt; byte_offset) | prev_b;\n            display_buffer[py * 128 + px] |= b;\n            prev_b = b2 &gt;&gt; (7 - byte_offset);\n        }\n        py = y \/ 8 + ty_len;\n        if (prev_b &gt; 0 &amp;&amp; py &lt; 8) {\n            display_buffer[py * 128 + px] |= prev_b;\n        }\n    }\n}<\/code><\/pre>\n<h3><span class=\"ez-toc-section\" id=\"%E8%AE%BE%E8%AE%A1%E6%8B%86%E8%A7%A3\"><\/span>\u8bbe\u8ba1\u62c6\u89e3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>\u975e 8 \u500d\u6570 Y \u62c6\u89e3<\/strong>\n<ul>\n<li><code>(b &lt;&lt; byte_offset)<\/code> \u548c <code>b2 &gt;&gt; (7 - byte_offset)<\/code><\/li>\n<li>\u4f7f\u7528 <strong>\u4f4d\u79fb<\/strong> \u64cd\u4f5c\uff0c\u5c06\u5206\u6563\u5728\u4e24\u4e2a\u9875\u4e2d\u7684\u50cf\u7d20\u62c6\u5206\u51fa\u6765\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4e0e\u5df2\u6709\u50cf\u7d20\u6df7\u5408<\/strong>\n<ul>\n<li><code>display_buffer[py * 128 + px] |= b;<\/code><\/li>\n<li>\u4f7f\u7528 <strong>\u4f4d\u4e0e<\/strong> \u64cd\u4f5c\uff0c\u5c06\u8981\u663e\u793a\u7684\u50cf\u7d20\u4e0e framebuffer \u4e2d\u5df2\u6709\u7684\u50cf\u7d20\u6df7\u5408\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u88c1\u526a\u903b\u8f91<\/strong>\n<ul>\n<li><code>if (px &gt;= 128) break;<\/code> \u2014\u2014 \u53f3\u8fb9\u754c\u6ea2\u51fa\u76f4\u63a5\u7ed3\u675f\u5f53\u524d\u5217\u5faa\u73af\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u8ba1\u7b97\uff1b<\/li>\n<li><code>if (px &lt; 0) continue;<\/code> \u2014\u2014 \u5de6\u8fb9\u754c\u6ea2\u51fa\u8df3\u8fc7\u5199\u5165\uff0c\u4fdd\u7559\u4e0b\u4e00\u5217\u673a\u4f1a\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5c3e\u9875\u6b8b\u7247\u5904\u7406<\/strong>\n<ul>\n<li>\u6700\u540e\u4e00\u9875\u5916\u8fd8\u53ef\u80fd\u6b8b\u7559\u9ad8\u4f4d\u50cf\u7d20\uff0c\u9700\u8981\u5224\u65ad\u5e76\u5199\u5165 framebuffer\uff0c\u5e76\u4e14\u4ec5\u5f53\u4ecd\u5728\u5c4f\u5e55\u8303\u56f4\u5185\u624d\u5199\u5165\uff0c\u9632\u6b62\u8d8a\u754c\u3002<\/li>\n<li><code>if (prev_b &gt; 0 &amp;&amp; py &lt; 8) { ... }<\/code><\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f4d\u79fb\u65b9\u5411\u9009\u62e9<\/strong>\n<ul>\n<li>OLED \u9875\u6a21\u5f0f\u662f\u201c\u6700\u4f4e\u4f4d\u5728\u4e0a\u201d\u3002\u5de6\u79fb <code>b &lt;&lt; byte_offset<\/code> \u6070\u597d\u8ba9\u4f4d 0 \u8d34\u8fd1\u8d77\u70b9\uff0c\u7b26\u5408\u786c\u4ef6\u5237\u5c4f\u987a\u5e8f\uff0c\u964d\u4f4e\u4eba\u8111\u4e0e\u673a\u5668\u201c\u903b\u8f91\u53cd\u8f6c\u201d\u8d1f\u62c5\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"%E6%B8%85%E5%B1%8F%E5%87%BD%E6%95%B0\"><\/span><strong>\u6e05\u5c4f\u51fd\u6570<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u8fd9\u4e2a\u6ca1\u4ec0\u4e48\u597d\u8bf4\u7684\uff0c\u76f4\u63a5\u5c06 framebuffer \u5168\u90e8\u7f6e 0 \u5c31\u53ef\u4ee5\u5b9e\u73b0\u6e05\u5c4f\u6548\u679c\u3002<\/p>\n<pre><code class=\"language-c\">void display_clear() {\n    memset(display_buffer, 0, BUF_LEN);\n}   <\/code><\/pre>\n<h2><span class=\"ez-toc-section\" id=\"%E7%9B%B8%E6%AF%94%E7%9B%B4%E6%8E%A5%E5%86%99_OLED_%E6%98%BE%E5%AD%98%E7%9A%84%E4%BC%98%E5%8A%BF\"><\/span>\u76f8\u6bd4\u76f4\u63a5\u5199 OLED \u663e\u5b58\u7684\u4f18\u52bf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u76f8\u5bf9\u76f4\u63a5\u5c06\u663e\u793a\u6570\u636e\u5199\u5165\u5230 OLED \u663e\u5b58\uff0c\u7528 framebuffer \u7684\u65b9\u5f0f\uff0c\u5c31\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e9b\u989d\u5916\u7684\u6548\u679c\u3002<\/p>\n<p><strong>\u5b9e\u73b0\u542f\u52a8 Logo &amp; \u5f00\u673a\u52a8\u753b<\/strong><\/p>\n<p>\u56e0\u4e3a\u53ef\u4ee5\u5c06\u4f4d\u56fe\u5728\u4efb\u610f Y \u5750\u6807\uff0c\u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u53d8\u5316\u7ed8\u56fe\u65f6 Y \u5750\u6807\u7684\u53c2\u6570\uff0c\u5b9e\u73b0\u5728 Y \u8f74\u65b9\u5411\u7684\u52a8\u753b\u3002<\/p>\n<p><strong>\u5b9e\u65f6\u6ce2\u5f62\/\u67f1\u72b6\u56fe\u53e0\u52a0<\/strong><\/p>\n<p>\u76f8\u6bd4\u76f4\u63a5\u5199 OLED \u63a7\u5236\u5668\u4f1a\u8986\u76d6\u5df2\u6709\u7684\u50cf\u7d20\u6570\u636e\uff0c\u4f7f\u7528 framebuffer \u53ef\u4ee5\u5c06\u65b0\u6570\u636e\u4e0e\u539f\u6709\u6570\u636e\u8fdb\u884c\u53e0\u52a0\uff0c\u8fd9\u6837\u5728\u663e\u793a\u66f2\u7ebf\u56fe\u7b49\u7c7b\u578b\u7684\u56fe\u8868\u65f6\uff0c\u53ef\u4ee5\u5728\u7ed8\u5236\u56fe\u8868\u7684\u540c\u65f6\u800c\u4e0d\u4f1a\u5bfc\u81f4\u6807\u5c3a\u7b49\u56fe\u50cf\u6570\u636e\u4e22\u5931\u3002<\/p>\n<p><strong>\u66f4\u5bb9\u6613\u517c\u5bb9\u4e2d\u6587\u5b57\u5e93<\/strong><\/p>\n<p>\u5bf9\u4e8e\u4e2d\u6587\u5b57\u5e93\u6765\u8bf4\uff0c\u53ea\u9700\u8981\u4fee\u6539 <code>DCfont<\/code> \u7684\u5b9a\u4e49\uff0c\u5c06\u4f4d\u56fe\u5c3a\u5bf8\u5b9a\u4e49\u4e3a\u4f8b\u5982\u5e38\u89c1 16x16 \u50cf\u7d20\uff0c\u5c31\u53ef\u4ee5\u76f4\u63a5\u663e\u793a\u4e2d\u6587\u4e86\u3002<\/p>\n<p><strong>\u5168\u5c4f\u5237\u65b0\uff0c\u51cf\u5c11\u95ea\u70c1<\/strong><\/p>\n<p>\u867d\u7136\u6bcf\u6b21\u7ed8\u5236\u90fd\u9700\u8981\u53d1\u9001\u5168\u5c4f\u6570\u636e\uff0c\u5728\u4f7f\u7528 I2C 400Kbps \u6a21\u5f0f\u65f6\uff0c\u7406\u8bba\u9700\u8981 23ms\uff0c\u4f46\u662f\u5bf9\u4e8e\u4e00\u822c\u4f7f\u7528\u573a\u666f\u6765\u8bf4\uff0c\u4e5f\u8db3\u591f\u4e86\uff0c\u53ef\u4ee5\u8fbe\u5230 30 FPS\u3002\u800c\u8fd9\u5e26\u6765\u7684\u597d\u5904\u5c31\u662f\u51cf\u5c11\u5c4f\u5e55\u95ea\u70c1\uff0c\u5bf9\u4e8e\u611f\u5b98\u6765\u8bf4\u6548\u679c\u66f4\u597d\u3002<\/p>\n<p>\u53e6\u5916\u5982\u679c\u4f7f\u7528 SPI + DMA\uff0c\u53ef\u4ee5\u8fbe\u5230\u66f4\u9ad8\u7684\u5237\u65b0\u7387\uff0c\u4e0d\u518d\u6210\u4e3a MCU \u5e94\u7528\u8fd0\u884c\u7684\u74f6\u9888\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E6%80%BB%E7%BB%93\"><\/span>\u603b\u7ed3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u603b\u7684\u6765\u8bf4\uff0c\u5199\u4e00\u4e2a\u8fd9\u6837\u7684\u9a71\u52a8\u4e5f\u4e0d\u662f\u590d\u6742\u7684\u4e8b\uff0c\u4e3b\u8981\u9700\u8981\u8003\u8651\u7684\u5c31\u662f\u4f4d\u64cd\u4f5c\u3001\u8fb9\u754c\u68c0\u6d4b\uff0c\u4e0d\u8fc7\u611f\u89c9\u4e5f\u7b97\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u7ec3\u624b\u8fc7\u7a0b \ud83d\ude48\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E5%8F%82%E8%80%83%E8%B5%84%E6%96%99\"><\/span>\u53c2\u8003\u8d44\u6599<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><a href=\"https:\/\/github.com\/wagiminator\/CH32V003-GameConsole\">https:\/\/github.com\/wagiminator\/CH32V003-GameConsole<\/a><\/li>\n<li><a href=\"https:\/\/www.wch.cn\/products\/CH32V006.html\">https:\/\/www.wch.cn\/products\/CH32V006.html<\/a><\/li>\n<li><a href=\"https:\/\/mp.weixin.qq.com\/s\/0y0j2ZeuXrnyhNQIz8hSZw\">https:\/\/mp.weixin.qq.com\/s\/0y0j2ZeuXrnyhNQIz8hSZw<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u4e4b\u524d\u505a CH32V003 \u7cfb\u5217\u9879\u76ee\u65f6\uff0c\u603b\u662f\u4f1a\u7528\u5230 0.96 \u5bf8 12864 O &hellip;<\/p>\n<p class=\"read-more\"><a href=\"https:\/\/xujiwei.com\/blog\/2025\/10\/oled-framebuffer-driver\/\">\u7ee7\u7eed\u9605\u8bfb &raquo;<\/a><\/p>\n","protected":false},"author":2,"featured_media":1943,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[402],"tags":[262,359,372,386],"_links":{"self":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts\/1942"}],"collection":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/comments?post=1942"}],"version-history":[{"count":0,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts\/1942\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/media\/1943"}],"wp:attachment":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/media?parent=1942"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/categories?post=1942"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/tags?post=1942"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}