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< / div > < div class = "- topic/body body" > < div class = "- topic/p p" data-ofbid = "d50404e21__20250121171518" > < span class = "- topic/ph ph" > Luban-Lite< / span > SDK
支持多个芯片平台,在 BringUp 之前,务必确认板卡使用的 SoC
具体型号以配置正确的引脚和内存。遵照以下流程确认相应的
SoC 型号并修改配置:< ol class = "- topic/ol ol" data-ofbid = "d50404e25__20250121171518" > < li class = "- topic/li li" data-ofbid = "d50404e26__20250121171518" > 确认 SoC 的具体型号并阅读对应的芯片手册 —— 引脚复用章节,确认每个引脚能提供的功能。< / li > < li class = "- topic/li li" data-ofbid = "d50404e28__20250121171518" > 打开 SoC 的
< span class = "+ topic/ph sw-d/filepath ph filepath" > target/< var class = "+ topic/keyword sw-d/varname keyword varname" > SoC< / var > /< var class = "+ topic/keyword sw-d/varname keyword varname" > board< / var > /pinmux.c< / span >
引脚定义文件,配置引脚数量。< p class = "- topic/p p" data-ofbid = "d50404e39__20250121171518" > < span class = "- topic/ph ph" > Luban-Lite< / span > SDK 各个开发板引脚定义在
< span class = "+ topic/ph sw-d/filepath ph filepath" > target/< var class = "+ topic/keyword sw-d/varname keyword varname" > SoC< / var > /< var class = "+ topic/keyword sw-d/varname keyword varname" > board< / var > /pinmux.c< / span >
文件中。SDK 中对于 SoC 支持的引脚数量没有显式限制。< / p > < / li > < li class = "- topic/li li" data-ofbid = "d50404e52__20250121171518" > 根据芯片手册及新添加板卡的原理图,确定对应的引脚功能,并在
< span class = "+ topic/ph sw-d/filepath ph filepath" > target/< var class = "+ topic/keyword sw-d/varname keyword varname" > SoC< / var > /< var class = "+ topic/keyword sw-d/varname keyword varname" > board< / var > /pinmux.c< / span >
引脚定义文件中配置引脚功能。< p class = "- topic/p p" data-ofbid = "d50404e63__20250121171518" > 更改接口配置时,确保 pinmux 没有冲突,否则可能会引起未知错误。< / p > < p class = "- topic/p p" data-ofbid = "d50404e65__20250121171518" > 每个引脚同时只能被设置成一种功能,
每个 pin 脚的配置,使用结构体描述。< / p > < div class = "- topic/p p" data-ofbid = "d50404e67__20250121171518" >
< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__pre_dk4_trv_1dc" data-ofbid = "id__pre_dk4_trv_1dc" > < strong class = "hl-keyword" > struct< / strong > aic_pinmux
{
< strong class = "hl-keyword" > unsigned< / strong > < strong class = "hl-keyword" > char< / strong > func; < em class = "hl-comment" > // 功能编号< / em >
< strong class = "hl-keyword" > unsigned< / strong > < strong class = "hl-keyword" > char< / strong > bias; < em class = "hl-comment" > // 内部上下拉设置,一般无需修改< / em >
< strong class = "hl-keyword" > unsigned< / strong > < strong class = "hl-keyword" > char< / strong > drive; < em class = "hl-comment" > // 驱动能力,若需要修改,请联系专业人士确认< / em >
< strong class = "hl-keyword" > char< / strong > * name; < em class = "hl-comment" > // 引脚名称字符串,例如 "PA.0"< / em >
};
< / pre >
< / div > < div class = "- topic/p p" data-ofbid = "d50404e72__20250121171518" > 例如 PA.0 和 PA.1
引脚:< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__pre_evv_trv_1dc" data-ofbid = "id__pre_evv_trv_1dc" > < strong class = "hl-keyword" > struct< / strong > aic_pinmux aic_pinmux_config[] = {
#ifdef AIC_USING_UART0
< em class = "hl-comment" > /* uart0 */< / em >
{< span class = "hl-number" > 5< / span > , PIN_PULL_DIS, < span class = "hl-number" > 3< / span > , < span class = "hl-string" > "PA.0"< / span > }, < em class = "hl-comment" > // PA.0 配置功能 5, 用作串口 0< / em >
{< span class = "hl-number" > 5< / span > , PIN_PULL_DIS, < span class = "hl-number" > 3< / span > , < span class = "hl-string" > "PA.1"< / span > }, < em class = "hl-comment" > // PA.1 配置功能 5, 用作串口 0< / em >
#endif
...
};
< / pre > < / div > < / li > < li class = "- topic/li li" data-ofbid = "d50404e76__20250121171518" >
< p class = "- topic/p p" data-ofbid = "d50404e78__20250121171518" > 拉低烧录引脚,使
SoC 进入烧录模式,烧录引脚。< / p >
< div class = "- topic/p p" data-ofbid = "d50404e84__20250121171518" > 在新增加的板卡配置中,结合原理图配置引脚。 先加载项目对应的 < span class = "+ topic/ph sw-d/filepath ph filepath" > baremetal_helloworld< / span >
工程,例如 < span class = "+ topic/ph sw-d/filepath ph filepath" > d21x_demo128-nand_baremetal_BootLoader< / span > ,再使用
< span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > me< / span >
进行配置,修改配置如下:< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__pre_bw5_5rv_1dc" data-ofbid = "id__pre_bw5_5rv_1dc" > BootLoader options
Upgrading
(PA.< span class = "hl-number" > 0< / span > ) PIN to enter upgrading mode # 根据原理图修改对应的烧录引脚< / pre > < / div >
< / li > < li class = "- topic/li li" data-ofbid = "d50404e98__20250121171518" > 在修改 < span class = "+ topic/ph sw-d/filepath ph filepath" > pinmux.c< / span > 之后,先编译 BootLoader, 再编译 RT-Thread。< p class = "- topic/p p" data-ofbid = "d50404e103__20250121171518" > 项目中的
BootLoader 和 RT-Thread 是共享 pinmux 配置的,必须先编译 BootLoader, 否则 pinmux
配置可能无法生效。< span class = "- topic/ph ph" > Luban-Lite< / span > 支持使用 < span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > mb< / span > 命令,一键编译
BootLoader 和 RT-Thread。< / p > < / li > < li class = "- topic/li li" data-ofbid = "d50404e111__20250121171518" > 对于使用了内部 LDO 给 CPU 供电的 SoC, 则需要使能内部 LDO, 否则可略过此步。例如, D12x 支持单 3.3 V
供电设计。< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" data-ofbid = "d50404e113__20250121171518" > Board options > Syscfg Parameter
[*] SYSCFG LDO1X enable --->
(< span class = "hl-number" > 8< / span > ) LDO1X voltage value level < < span class = "hl-number" > 0< / span > -< span class = "hl-number" > 15< / span > > < / pre > < / li > < / ol > < / div > < / div > < / article > < / main > < / div >
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< span class = "close oxy-icon oxy-icon-remove" > < / span >
< div id = "modal_img_container" > < / div >
< div id = "caption" > < / div >
< / div >
< script src = "${pd}/publishing/publishing-styles-AIC-template/js/custom.js" defer = "defer" > < / script >
< / body >
2025-01-23 16:37:00 +08:00
< / html >