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id="usb_user_guide-d5856e5951-link">USB 使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d5856e6011" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d5856e6011-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/mac/mac_user_guide_2.html" id="id-d5856e6011-link">MAC 使用指南</a></div></div></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="chapter-safety-d5856e6083" class="topicref" data-id="chapter-safety" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action chapter-safety-d5856e6083-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-safety-sdk.html" id="chapter-safety-d5856e6083-link">安全</a><div class="wh-tooltip"><p class="shortdesc">SPI ENC、CE、eFuse 等安全模块的介绍和使用说明。</p></div></div></div></li></ul></li></ul></div>
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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic topic" role="article" aria-labelledby="ariaid-title1"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/spi/spi_design_lite.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">设计说明</h1><div class="date inPage">15 Jan 2024</div><div style="color: gray;">
|
||
Read time: 6 minute(s)
|
||
</div><div class="- topic/body body"><section class="- topic/section section" id="id__id2" data-ofbid="id__id2"><h2 class="- topic/title title sectiontitle">源码说明</h2>
|
||
|
||
<div class="table-container"><table class="- topic/table table colwidths-given docutils align-default frame-all" data-ofbid="d30070e24__20250121171509" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title"></span></caption><colgroup><col style="width:32.36245954692557%"/><col style="width:67.63754045307444%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__id2__entry__1">相关模块</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__id2__entry__2">源码路径</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__id2__entry__1">SPI Driver framework</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__id2__entry__2"><span class="+ topic/ph sw-d/filepath ph filepath">kernel/rt-thread/components/drivers/spi</span></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__id2__entry__1">Driver</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__id2__entry__2"><span class="+ topic/ph sw-d/filepath ph filepath">bsp/artinchip/drv/qspi</span></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__id2__entry__1">HAL</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__id2__entry__2"><span class="+ topic/ph sw-d/filepath ph filepath">bsp/artinchip/hal/qspi</span></td></tr></tbody></table></div></section><section class="- topic/section section" id="id__id3" data-ofbid="id__id3"><h2 class="- topic/title title sectiontitle">模块架构</h2>
|
||
|
||
<figure class="- topic/fig fig fignone" id="id__id10" data-ofbid="id__id10"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" src="../../../images/spi/spi_kernel_arch_lite.png" alt="spi_kernel_arch"/></div><br/><figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label">图<span class="fig--title-label-number"> 1</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title"><span class="- topic/ph ph">Luban-Lite</span> QSPI 框图</span></figcaption></figure><p class="- topic/p p" data-ofbid="d30070e67__20250121171509">RT-Thread 透过其定义的 QSPI/SPI 驱动框架，向上提供了 QSPI/SPI 接口，并且通过这一层接口支持各种应用，包括 SPI NAND,
|
||
SPI NOR。</p><p class="- topic/p p" data-ofbid="d30070e69__20250121171509">ArtInChip 提供了 QSPI HAL 层，并且实现了对接 RT-Thread 的驱动层。由于 QSPI 传输需要使用 DMA，因此
|
||
DMA HAL 是一个相关模块。</p></section><section class="- topic/section section" id="id__hal-drv" data-ofbid="id__hal-drv"><h2 class="- topic/title title sectiontitle">HAL 与 DRV</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d30070e76__20250121171509">ArtInChip 的 QSPI 驱动按照 HAL 层 + Driver 层的结构进行设计，其中 HAL 层为硬件抽象层，提供系统无关的硬件驱动实现； 在 HAL
|
||
层之上，可根据不同 RTOS 的驱动框架，实现对应的 QSPI DRV 层进行对接。</p><figure class="- topic/fig fig fignone" id="id__id11" data-ofbid="id__id11"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" src="../../../images/spi/spi_hal.png" alt="spi_hal"/></div><br/><figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label">图<span class="fig--title-label-number"> 2</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">HAL and DRV</span></figcaption></figure><p class="- topic/p p" data-ofbid="d30070e84__20250121171509">QSPI HAL 的特点:</p><ol class="- topic/ol ol arabic simple" id="id__ol_rgk_ql3_fdc" data-ofbid="id__ol_rgk_ql3_fdc"><li class="- topic/li li" data-ofbid="d30070e87__20250121171509">
|
||
<p class="- topic/p p" data-ofbid="d30070e89__20250121171509">无状态</p>
|
||
</li><li class="- topic/li li" data-ofbid="d30070e92__20250121171509">
|
||
<p class="- topic/p p" data-ofbid="d30070e94__20250121171509">支持 sync、async(irq) 模式</p>
|
||
</li><li class="- topic/li li" data-ofbid="d30070e97__20250121171509">
|
||
<p class="- topic/p p" data-ofbid="d30070e99__20250121171509">支持 DMA、非 DMA 模式</p>
|
||
</li></ol><p class="- topic/p p" data-ofbid="d30070e102__20250121171509">QSPI HAL 相关的设备操作都需要通过 Handle 的方式进行。 由于 HAL 其内部无状态，不会进行空间分配，因此 Handle
|
||
的空间需要外部申请并且传入， 由 HAL 层进行使用。</p></section><section class="- topic/section section" id="id__id4" data-ofbid="id__id4"><h2 class="- topic/title title sectiontitle">关键流程设计</h2>
|
||
|
||
<ul class="- topic/ul ul" id="id__ul_c2z_vqs_4dc" data-ofbid="id__ul_c2z_vqs_4dc"><li class="- topic/li li" data-ofbid="d30070e110__20250121171509">
|
||
<div class="- topic/div div section" id="id__qspi">
|
||
<strong class="+ topic/ph hi-d/b ph b">添加 QSPI 总线</strong>
|
||
<div class="- topic/p p" data-ofbid="d30070e117__20250121171509">在 RT-Thread 板级初始化过程中，会调用 rt_hw_qspi_bus_init() 函数，将板子支持的 QSPI 控制器(总线)
|
||
添加到系统中。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_oyz_rl3_fdc" data-ofbid="id__codeblock_oyz_rl3_fdc">INIT_BOARD_EXPORT(rt_hw_qspi_bus_init); <em class="hl-comment">// bsp/artinchip/drv/qspi/drv_qspi.c</em>
|
||
|-> rt_qspi_bus_register(); <em class="hl-comment">// kernel/rt-thread/components/drivers/spi/qspi_core.c</em>
|
||
|-> rt_spi_bus_register(); kernel/rt-thread/components/drivers/spi/spi_core.c
|
||
|-> rt_spi_bus_device_init(); <em class="hl-comment">// kernel/rt-thread/components/drivers/spi/spi_dev.c</em>
|
||
|-> rt_device_register(device, name, RT_DEVICE_FLAG_RDWR);</pre></div></div>
|
||
</li><li class="- topic/li li" data-ofbid="d30070e122__20250121171509">
|
||
<div class="- topic/div div section" id="id__id5">
|
||
<strong class="+ topic/ph hi-d/b ph b">添加 QSPI 设备</strong>
|
||
<div class="- topic/p p" data-ofbid="d30070e129__20250121171509">将 QSPI
|
||
设备挂载到总线上。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_nx2_sl3_fdc" data-ofbid="id__codeblock_nx2_sl3_fdc">aic_qspi_bus_attach_device(<span class="hl-string">"qspi0"</span>, <span class="hl-string">"GD25B127D"</span>, <span class="hl-number">0</span>, <span class="hl-number">4</span>, RT_NULL, RT_NULL); <em class="hl-comment">// bsp/artinchip/drv/qspi/drv_qspi.c</em>
|
||
|-> rt_spi_bus_attach_device(); <em class="hl-comment">// kernel/rt-thread/components/drivers/spi/spi_core.c</em>
|
||
|-> rt_spidev_device_init(device, name); <em class="hl-comment">// kernel/rt-thread/components/drivers/spi/spi_dev.c</em>
|
||
|-> rt_device_register(device, name, RT_DEVICE_FLAG_RDWR);</pre></div></div>
|
||
</li><li class="- topic/li li" data-ofbid="d30070e134__20250121171509">
|
||
<div class="- topic/div div section" id="id__id6">
|
||
<strong class="+ topic/ph hi-d/b ph b">初始化流程</strong>
|
||
<div class="- topic/p p" data-ofbid="d30070e141__20250121171509">当 QSPI
|
||
设备需要使用之前，必须进行初始化配置。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_z3j_sl3_fdc" data-ofbid="id__codeblock_z3j_sl3_fdc">rt_sfud_flash_probe_ex();
|
||
|-> rt_qspi_configure(qspi_dev, qspi_cfg); <em class="hl-comment">// kernel/rt-thread/components/drivers/spi/qspi_core.c</em>
|
||
|-> rt_spi_configure(&device->parent, &cfg->parent); <em class="hl-comment">// kernel/rt-thread/components/drivers/spi/spi_core.c</em>
|
||
|-> device->bus->ops->configure(device, &device->config);
|
||
qspi_configure(device, &device->config); <em class="hl-comment">// bsp/artinchip/drv/qspi/drv_qspi.c</em>
|
||
|-> hal_qspi_master_init(&qspi->handle, &cfg);</pre></div></div>
|
||
</li><li class="- topic/li li" data-ofbid="d30070e146__20250121171509">
|
||
<div class="- topic/div div section" id="id__id7">
|
||
<strong class="+ topic/ph hi-d/b ph b">中断处理流程</strong>
|
||
<p class="- topic/p p" data-ofbid="d30070e153__20250121171509">QSPI HAL 层提供了中断处理函数，但是是否使用中断模式由 DRV 层决定。 <span class="- topic/ph ph">Luban-Lite</span> SDK 中对接
|
||
RT-Thread
|
||
时，使能了中断处理模式。</p><div class="- topic/p p" data-ofbid="d30070e158__20250121171509">首先在初始化时，注册了对应的中断处理函数。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_pgq_sl3_fdc" data-ofbid="id__codeblock_pgq_sl3_fdc">qspi_configure(); <em class="hl-comment">// bsp/artinchip/drv/qspi/drv_qspi.c</em>
|
||
|-> aicos_request_irq(qspi->irq_num, qspi_irq_handler, <span class="hl-number">0</span>, NULL, (<strong class="hl-keyword">void</strong> *)&qspi->handle);</pre></div><p class="- topic/p p" data-ofbid="d30070e162__20250121171509">中断发生时，QSPI
|
||
DRV 层的中断处理函数，调用 HAL
|
||
层的中断处理函数进行处理。</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_vjt_sl3_fdc" data-ofbid="id__codeblock_vjt_sl3_fdc">qspi_irq_handler(); p/artinchip/drv/qspi/drv_qspi.c
|
||
|-> hal_qspi_master_irq_handler(h);</pre></div>
|
||
</li></ul></section><section class="- topic/section section" id="id__id8" data-ofbid="id__id8"><h2 class="- topic/title title sectiontitle">数据结构</h2>
|
||
|
||
<div class="- topic/p p" data-ofbid="d30070e172__20250121171509">HAL 层主要数据结构。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_bfg_rl3_fdc" data-ofbid="id__codeblock_bfg_rl3_fdc"><strong class="hl-keyword">struct</strong> qspi_master_config {
|
||
uint32_t idx;
|
||
uint32_t clk_in_hz;
|
||
uint32_t clk_id;
|
||
bool bit_mode;
|
||
bool wire3_en;
|
||
bool lsb_en;
|
||
bool cs_auto;
|
||
uint8_t cs_polarity;
|
||
uint8_t cpol;
|
||
uint8_t cpha;
|
||
};</pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_vx1_tl3_fdc" data-ofbid="id__codeblock_vx1_tl3_fdc"><strong class="hl-keyword">struct</strong> qspi_master_dma_config {
|
||
uint32_t port_id;
|
||
uint32_t tx_bus_width;
|
||
uint32_t tx_max_burst;
|
||
uint32_t rx_bus_width;
|
||
uint32_t rx_max_burst;
|
||
};</pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_qqb_tl3_fdc" data-ofbid="id__codeblock_qqb_tl3_fdc"><strong class="hl-keyword">struct</strong> qspi_transfer {
|
||
uint8_t *tx_data;
|
||
uint8_t *rx_data;
|
||
uint32_t data_len;
|
||
};</pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_ggc_tl3_fdc" data-ofbid="id__codeblock_ggc_tl3_fdc"><strong class="hl-keyword">struct</strong> qspi_master_state {
|
||
uint32_t idx;
|
||
qspi_master_async_cb cb;
|
||
<strong class="hl-keyword">void</strong> *cb_priv;
|
||
uint32_t status;
|
||
uint32_t clk_id;
|
||
uint32_t bus_hz;
|
||
uint32_t bus_width;
|
||
<strong class="hl-keyword">struct</strong> qspi_master_dma_config dma_cfg;
|
||
<strong class="hl-keyword">void</strong> *dma_tx;
|
||
<strong class="hl-keyword">void</strong> *dma_rx;
|
||
uint8_t *async_tx; <em class="hl-comment">/* Used in Async Non-DMA mode */</em>
|
||
uint8_t *async_rx; <em class="hl-comment">/* Used in Async Non-DMA mode */</em>
|
||
uint32_t async_tx_remain; <em class="hl-comment">/* Used in Async Non-DMA mode */</em>
|
||
uint32_t async_rx_remain; <em class="hl-comment">/* Used in Async Non-DMA mode */</em>
|
||
uint32_t work_mode;
|
||
uint32_t done_mask;
|
||
};</pre></div>
|
||
</section><section class="- topic/section section" id="id__id9" data-ofbid="id__id9"><h2 class="- topic/title title sectiontitle">接口设计</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d30070e188__20250121171509">RT-Thread 中的 QSPI 接口设计，在 RT-Thread 的文档中已经有详细说明。 此处介绍 QSPI HAL 层的接口设计。 </p><div class="table-container"><table class="- topic/table table colwidths-given docutils align-default frame-all" id="id__table_xyr_tl3_fdc" data-ofbid="id__table_xyr_tl3_fdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 2</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">hal_qspi_master_init</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
函数原型
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">int hal_qspi_master_init(qspi_master_handle *h, struct
|
||
qspi_master_config *cfg)</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
功能说明
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">QSPI 控制器的初始化函数</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
参数定义
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">qspi_master_handle *h</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">QSPI 控制器 Handle</div>
|
||
</div>
|
||
<div class="- topic/div div">struct qspi_master_config *cfg</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">QSPI 控制器的初始化配置参数</div>
|
||
</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
返回值
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">0: 成功</div>
|
||
<div class="- topic/div div">其他: 失败</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0">
|
||
注意事项
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-0">初始化时，Handle 的空间由使用者负责分配和释放 </td></tr></tbody></table></div><div class="table-container"><table class="- topic/table table colwidths-given docutils align-default frame-all" id="id__table_rhn_5l3_fdc" data-ofbid="id__table_rhn_5l3_fdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 3</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">hal_qspi_master_deinit</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
函数原型
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">int hal_qspi_master_deinit(qspi_master_handle *h)</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
功能说明
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">QSPI 控制器的反初始化函数，在 QSPI 控制器关闭时使用</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
参数定义
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">qspi_master_handle *h</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">QSPI 控制器 Handle</div>
|
||
</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
返回值
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">0: 成功</div>
|
||
<div class="- topic/div div">其他: 失败</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0">
|
||
注意事项
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-0">- </td></tr></tbody></table></div><div class="table-container"><table class="- topic/table table colwidths-given docutils align-default frame-all" id="id__table_g5w_5l3_fdc" data-ofbid="id__table_g5w_5l3_fdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 4</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">hal_qspi_master_set_cs</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
函数原型
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">int hal_qspi_master_set_cs(qspi_master_handle *h, uint32_t
|
||
cs_num, bool enable)</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
功能说明
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">设置 SPI 设备的片选信号</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
参数定义
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">qspi_master_handle *h</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">QSPI 控制器 Handle</div>
|
||
</div>
|
||
<div class="- topic/div div">bool enable</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">CS 信号是否有效</div>
|
||
</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
返回值
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">0: 成功</div>
|
||
<div class="- topic/div div">其他: 失败</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0">
|
||
注意事项
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-0">- </td></tr></tbody></table></div><div class="table-container"><table class="- topic/table table colwidths-given docutils align-default frame-all" id="id__table_tn2_vl3_fdc" data-ofbid="id__table_tn2_vl3_fdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 5</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">hal_qspi_master_set_bus_freq</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
函数原型
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">int hal_qspi_master_set_bus_freq(qspi_master_handle *h, uint32_t
|
||
bus_hz)</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
功能说明
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">设置 QSPI 控制器的接口总线工作时钟</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
参数定义
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">qspi_master_handle *h</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">QSPI 控制器 Handle</div>
|
||
</div>
|
||
<div class="- topic/div div">uint32_t bus_hz</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"> 接口总线的工作时钟</div>
|
||
</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
返回值
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">0: 成功</div>
|
||
<div class="- topic/div div">其他: 失败</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0">
|
||
注意事项
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-0">QSPI 控制器的模块输入时钟，在 hal_qspi_master_init() 调用时配置 </td></tr></tbody></table></div><div class="table-container"><table class="- topic/table table colwidths-given docutils align-default frame-all" id="id__table_sgn_vl3_fdc" data-ofbid="id__table_sgn_vl3_fdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 6</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">hal_qspi_master_set_bus_width</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
函数原型
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">int hal_qspi_master_set_bus_width(qspi_master_handle *h, uint32_t
|
||
bus_width)</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
功能说明
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">设置传输所使用的总线位宽</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
参数定义
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">qspi_master_handle *h</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">QSPI 控制器 Handle</div>
|
||
</div>
|
||
<div class="- topic/div div">uint32_t bus_width</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"> 总线位宽，取值可以为 1、2、4</div>
|
||
</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
返回值
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">0: 成功</div>
|
||
<div class="- topic/div div">其他: 失败</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0">
|
||
注意事项
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-0">- </td></tr></tbody></table></div><div class="table-container"><table class="- topic/table table colwidths-given docutils align-default frame-all" id="id__table_zhw_vl3_fdc" data-ofbid="id__table_zhw_vl3_fdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 7</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">hal_qspi_master_dma_config</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
函数原型
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">int hal_qspi_master_dma_config(qspi_master_handle *h, struct
|
||
qspi_master_dma_config *cfg)</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
功能说明
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">配置和使能 DMA</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
参数定义
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">qspi_master_handle *h</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">QSPI 控制器 Handle</div>
|
||
</div>
|
||
<div class="- topic/div div">struct qspi_master_dma_config *cfg</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">QSPI 控制器使用的 TX、RX DMA 通道配置</div>
|
||
</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
返回值
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">0: 成功</div>
|
||
<div class="- topic/div div">其他: 失败</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0">
|
||
注意事项
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-0">需要使能系统 DMA 进行数据传输，则需要在初始化时调用本 API，否则不使用系统 DMA。 </td></tr></tbody></table></div><div class="table-container"><table class="- topic/table table colwidths-given docutils align-default frame-all" id="id__table_jc3_wl3_fdc" data-ofbid="id__table_jc3_wl3_fdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 8</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">hal_qspi_master_register_cb</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
函数原型
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">int hal_qspi_master_register_cb(qspi_master_handle *h,
|
||
qspi_master_async_cb cb, void *priv)</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
功能说明
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">注册异步传输的回调函数</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
参数定义
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">qspi_master_handle *h</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">QSPI 控制器 Handle</div>
|
||
</div>
|
||
<div class="- topic/div div">qspi_master_async_cb cb</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"> 回调函数指针</div>
|
||
</div>
|
||
<div class="- topic/div div">void *priv</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"> 回调函数的私有数据</div>
|
||
</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
返回值
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">0: 成功</div>
|
||
<div class="- topic/div div">其他: 失败</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0">
|
||
注意事项
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-0">- </td></tr></tbody></table></div><div class="table-container"><table class="- topic/table table colwidths-given docutils align-default frame-all" id="id__table_nxt_wl3_fdc" data-ofbid="id__table_nxt_wl3_fdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 9</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">hal_qspi_master_transfer_async</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
函数原型
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">int hal_qspi_master_transfer_async(qspi_master_handle *h, struct
|
||
qspi_transfer *t);</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
功能说明
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">异步数据传输接口</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
参数定义
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">qspi_master_handle *h</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">QSPI 控制器 Handle</div>
|
||
</div>
|
||
<div class="- topic/div div">struct qspi_transfer *t</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"> 传输的数据信息</div>
|
||
</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
返回值
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">0: 成功</div>
|
||
<div class="- topic/div div">其他: 失败</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0">
|
||
注意事项
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-0"> 该函数启动硬件传输即返回，具体是否完成，需要检查硬件状态，或者等待回调函数 </td></tr></tbody></table></div><div class="table-container"><table class="- topic/table table colwidths-given docutils align-default frame-all" id="id__table_hp2_xl3_fdc" data-ofbid="id__table_hp2_xl3_fdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 10</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">hal_qspi_master_transfer_sync</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
函数原型
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">int hal_qspi_master_transfer_sync(qspi_master_handle *h, struct
|
||
qspi_transfer *t)</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
功能说明
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">同步数据传输接口</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
参数定义
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">qspi_master_handle *h</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">QSPI 控制器 Handle</div>
|
||
</div>
|
||
<div class="- topic/div div">struct qspi_transfer *t</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"> 传输的数据信息</div>
|
||
</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
返回值
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">0: 成功</div>
|
||
<div class="- topic/div div">其他: 失败</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0">
|
||
注意事项
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-0">该函数为同步函数，阻塞式调用，数据传输完成或者出错才返回。 </td></tr></tbody></table></div><div class="table-container"><table class="- topic/table table colwidths-given docutils align-default frame-all" id="id__table_mwr_xl3_fdc" data-ofbid="id__table_mwr_xl3_fdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 11</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">hal_qspi_master_get_status</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
函数原型
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">int hal_qspi_master_get_status(qspi_master_handle *h)</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
功能说明
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">传输状态读取接口</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
参数定义
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">qspi_master_handle *h</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">QSPI 控制器 Handle</div>
|
||
</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
返回值
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">0: 传输成功完成</div>
|
||
<div class="- topic/div div">其他: 传输失败，具体错误信息可参考 hal_qspi.h 中的定义</div>
|
||
</div>
|
||
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注意事项
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</td><td class="- topic/entry entry colsep-0 rowsep-0">- </td></tr></tbody></table></div><div class="table-container"><table class="- topic/table table colwidths-given docutils align-default frame-all" id="id__table_chz_xl3_fdc" data-ofbid="id__table_chz_xl3_fdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 12</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">hal_qspi_master_irq_handler</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
函数原型
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">void hal_qspi_master_irq_handler(qspi_master_handle *h)</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
功能说明
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">QSPI 中断处理接口</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
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参数定义
|
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</td><td class="- topic/entry entry colsep-0 rowsep-1">
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<div class="- topic/div div">
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<div class="- topic/div div">qspi_master_handle *h</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">QSPI 控制器 Handle</div>
|
||
</div>
|
||
</div>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1">
|
||
返回值
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">无</div>
|
||
</div>
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</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0">
|
||
注意事项
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-0">使用者需要向系统注册中断，并且在中断回调函数中调用本 API 进行中断处理</td></tr></tbody></table></div></section></div></article></main></div>
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