https://clingyang.github.io/categories/sd/ Recent content in SD on CLing Hugo -- gohugo.io en-us CLing Tue, 08 Sep 2026 16:03:27 +0800 https://clingyang.github.io/post/mcu_puya/py32f403_firmware_v1_4_5_sd/ Tue, 08 Sep 2026 14:52:21 +0800 https://clingyang.github.io/post/mcu_puya/py32f403_firmware_v1_4_5_sd/ <h1 id="puya--sd">PUYA — SD </h1><blockquote> <p><strong>固件库</strong>: PY32F403_Firmware V1.4.5<br> <strong>示例数</strong>: 3</p> </blockquote> <h2 id="示例列表">示例列表 </h2><ol> <li><a class="link" href="./SDCard_Block_DMA/" >SDCard_Block_DMA</a> — <code>SDCard_Block_DMA</code></li> <li><a class="link" href="./SDCard_Block_IT/" >SDCard_Block_IT</a> — <code>SDCard_Block_IT</code></li> <li><a class="link" href="./SDCard_Block_Polling/" >SDCard_Block_Polling</a> — <code>SDCard_Block_Polling</code></li> </ol> <hr> https://clingyang.github.io/p/puya-sd-sdcard_block_dma/ Tue, 08 Sep 2026 14:52:21 +0800 https://clingyang.github.io/p/puya-sd-sdcard_block_dma/ <h1 id="sd--sdcard_block_dma">SD — SDCard_Block_DMA </h1><blockquote> <p><strong>固件库</strong>: PY32F403_Firmware V1.4.5<br> <strong>芯片</strong>: PUYA<br> <strong>源文件</strong>: <code>PUYA/PY32F403_Firmware_V1.4.5/Projects/PY32F403-STK/Example/SD/SDCard_Block_DMA/Src/main.c</code></p> </blockquote> <hr> <h2 id="功能简介">功能简介 </h2><p>本示例演示 SD 卡读写操作。通过 SDIO 或 SPI 接口访问 SD 卡，实现大容量数据存储。配合 FatFs 文件系统可以读写文件。</p> <h2 id="完整代码">完整代码 </h2><div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span><span class="lnt">3 </span><span class="lnt">4 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-c" data-lang="c"><span class="line"><span class="cl"><span class="cp">#include</span> <span class="cpf">&#34;main.h&#34;</span><span class="cp"> </span></span></span><span class="line"><span class="cl"><span class="cp">#define BLOCK_SIZE (0x200) </span></span></span><span class="line"><span class="cl"><span class="cp">#define BLOCK_NUM (0x02) </span></span></span><span class="line"><span class="cl"><span class="cp">#define STARTADDR (0x00) </span><span class="cm">/* Start address in blocks */</span><span class="cp"> </span></span></span></code></pre></td></tr></table> </div> </div><h2 id="代码讲解">代码讲解 </h2><p>代码结构清晰，主要包含外设初始化配置和主循环中的功能逻辑。请结合注释理解每一步的含义。</p> https://clingyang.github.io/p/puya-sd-sdcard_block_it/ Tue, 08 Sep 2026 14:52:21 +0800 https://clingyang.github.io/p/puya-sd-sdcard_block_it/ <h1 id="sd--sdcard_block_it">SD — SDCard_Block_IT </h1><blockquote> <p><strong>固件库</strong>: PY32F403_Firmware V1.4.5<br> <strong>芯片</strong>: PUYA<br> <strong>源文件</strong>: <code>PUYA/PY32F403_Firmware_V1.4.5/Projects/PY32F403-STK/Example/SD/SDCard_Block_IT/Src/main.c</code></p> </blockquote> <hr> <h2 id="功能简介">功能简介 </h2><p>本示例演示 SD 卡读写操作。通过 SDIO 或 SPI 接口访问 SD 卡，实现大容量数据存储。配合 FatFs 文件系统可以读写文件。</p> <h2 id="完整代码">完整代码 </h2><div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span><span class="lnt">3 </span><span class="lnt">4 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-c" data-lang="c"><span class="line"><span class="cl"><span class="cp">#include</span> <span class="cpf">&#34;main.h&#34;</span><span class="cp"> </span></span></span><span class="line"><span class="cl"><span class="cp">#define BLOCK_SIZE (0x200) </span></span></span><span class="line"><span class="cl"><span class="cp">#define BLOCK_NUM (0x02) </span></span></span><span class="line"><span class="cl"><span class="cp">#define STARTADDR (0x00) </span><span class="cm">/* Start address in blocks */</span><span class="cp"> </span></span></span></code></pre></td></tr></table> </div> </div><h2 id="代码讲解">代码讲解 </h2><p>代码结构清晰，主要包含外设初始化配置和主循环中的功能逻辑。请结合注释理解每一步的含义。</p> https://clingyang.github.io/p/puya-sd-sdcard_block_polling/ Tue, 08 Sep 2026 14:52:21 +0800 https://clingyang.github.io/p/puya-sd-sdcard_block_polling/ <h1 id="sd--sdcard_block_polling">SD — SDCard_Block_Polling </h1><blockquote> <p><strong>固件库</strong>: PY32F403_Firmware V1.4.5<br> <strong>芯片</strong>: PUYA<br> <strong>源文件</strong>: <code>PUYA/PY32F403_Firmware_V1.4.5/Projects/PY32F403-STK/Example/SD/SDCard_Block_Polling/Src/main.c</code></p> </blockquote> <hr> <h2 id="功能简介">功能简介 </h2><p>本示例演示 SD 卡读写操作。通过 SDIO 或 SPI 接口访问 SD 卡，实现大容量数据存储。配合 FatFs 文件系统可以读写文件。</p> <h2 id="完整代码">完整代码 </h2><div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span><span class="lnt">3 </span><span class="lnt">4 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-c" data-lang="c"><span class="line"><span class="cl"><span class="cp">#include</span> <span class="cpf">&#34;main.h&#34;</span><span class="cp"> </span></span></span><span class="line"><span class="cl"><span class="cp">#define BLOCK_SIZE (0x200) </span></span></span><span class="line"><span class="cl"><span class="cp">#define BLOCK_NUM (0x02) </span></span></span><span class="line"><span class="cl"><span class="cp">#define STARTADDR (0x00) </span><span class="cm">/* Start address in blocks */</span><span class="cp"> </span></span></span></code></pre></td></tr></table> </div> </div><h2 id="代码讲解">代码讲解 </h2><p>代码结构清晰，主要包含外设初始化配置和主循环中的功能逻辑。请结合注释理解每一步的含义。</p>