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[color=rgba(0, 0, 0, 0.87)]本章节将介绍V853开发板上各模块的基础使用方法。 [color=rgba(0, 0, 0, 0.87)]V853开发板集成了LED、WiFi、蓝牙、以太网、音频、屏幕、USB、TF卡等模块。本章节将对这些模块进行简单的操作介绍，方便开发者快速上手了解开发板。 [color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]*注： - 本文中 root@TinaLinux:~# 开头的命令是在开发板上通过 ADB、串口 在 Tina Linux 系统内运行的。C:\System> 是在电脑 命令提示符（CMD） 中运行的，=> 开头的命令是在 U-Boot 内运行的。在输入命令时候不需要输入上面提到的命令头。
- 本文中部分命令提供了运行命令后的打印输出，方便运行参考。
调试串口调试[color=rgba(0, 0, 0, 0.87)]V853 开发板有独立的两个调试串口可供选择，分别是 UART0 与 UART3，对应芯片的 UART0 PH9 PH10，UART3 PH1 PH2。 [color=rgba(0, 0, 0, 0.87)]按照默认的 SDK 配置，UART0 提供 Arm 核的调试输出，UART3 提供 E907 RV 核的调试输出。
提供的FT232 USB转串口线定义为：黑色-GND，绿色-RX，白色-TX，红色为电源 [color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]硬件连接完成后，使用串口终端访问，波特率 115200 。例如这里使用的 PuTTY [color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]在电脑上安装 ADB，打开 CMD 使用 adb shell 进入终端。 [color=rgba(0, 0, 0, 0.87)]（1） 在 [color=var(--md-typeset-a-color)]全志开发者社区-资料下载 专区下载 ADB 工具 ADB(tab自动补全版)
（2）下载后解压放到本地磁盘下（例如D盘的adb文件夹里） [color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]（3） 右键 ”此电脑“，属性，找到高级系统设置，点击环境变量，xxx用户的环境变量，Path，新增一个环境变量。 [color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]（4） 打开命令提示符，输入 adb shell code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">C:\System> adb shell* daemon not running. starting it now on port 5037 ** daemon started successfully * _____ _ __ _|_ _||_| ___ _ _ | | |_| ___ _ _ _ _ | | _ | || | | |__ | || || | ||_'_| | | | || | || _ | |_____||_||_|_||___||_,_| |_| |_||_|_||_|_| Tina is Based on OpenWrt! ---------------------------------------------- Tina Linux (5.0) ----------------------------------------------root@TinaLinux:/# [color=rgba(0, 0, 0, 0.87)]ADB 也可以作为文件传输使用，例如： code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">C:\System> adb push badapple.mp4 /mnt/UDISK # 将 badapple.mp4 上传到开发板 /mnt/UDISK 目录内 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">C:\System> adb pull /mnt/UDISK/badapple.mp4 # 将 /mnt/UDISK/badapple.mp4 下拉到当前目录内开机与重启开机[color=rgba(0, 0, 0, 0.87)]目前开发板为上电即开机的模式，仅需要插入 12V DC 电源适配器或使用USB Type C线连接电源即可。 [color=rgba(0, 0, 0, 0.87)]请注意，如果 Type C 连接电脑的 USB 口可能会因为电脑的 USB 输出电流较低导致设备反复启动。这时需要插入 12V DC 电源适配器作为辅助供电。 [color=rgba(0, 0, 0, 0.87)]同时 USB 也可以通过图中位于 USB 口左侧的连接器进行连接（米白色），方便装配使用。 [color=rgba(0, 0, 0, 0.87)]开发板右下角的白色连接器为电池接口，可以连接受支持的锂电池使用。 [color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]上电开机完毕后会有如下打印。 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">BusyBox v1.33.2 (2022-05-31 06:54:45 UTC) built-in shell (ash)------run profile file----- _____ _ __ _|_ _||_| ___ _ _ | | |_| ___ _ _ _ _ | | _ | || | | |__ | || || | ||_'_| | | | || | || _ | |_____||_||_|_||___||_,_| |_| |_||_|_||_|_| Tina is Based on OpenWrt! ---------------------------------------------- Tina Linux (5.0) ----------------------------------------------swu_param: ####swu_software: ####swu_mode: ####no swupdate_cmd to run, wait for next swupdateroot@TinaLinux:/# 重启[color=rgba(0, 0, 0, 0.87)]重启有两种方式，第一种通过按压 RESET 按键重置 CPU 达到重启的功能，另外一种通过 linux 命令行实现。 [color=rgba(0, 0, 0, 0.87)]按键重启 [color=rgba(0, 0, 0, 0.87)]在开发板左下角部分找到 RESET 按键，按压即可重启。 [color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]命令行重启 [color=rgba(0, 0, 0, 0.87)]在开发板终端 Linux 命令行中输入 reboot 即可重启 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# reboot[color=rgba(0, 0, 0, 0.87)]在开发板终端 U-Boot 命令行中输入 reset 即可重启 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">=> reset进入烧录模式[color=rgba(0, 0, 0, 0.87)]有多种方式可以让开发板进入烧录模式。 [color=rgba(0, 0, 0, 0.87)]按键进入烧录模式 [color=rgba(0, 0, 0, 0.87)]在开发板左下角找到按键 RESET UBOOT [color=rgba(0, 0, 0, 0.87)]（1）按住 UBOOT 按键
（2）轻点 RESET 按键，开发板重置
（3）等待电脑连接成功，松开 UBOOT 按键 [color=rgba(0, 0, 0, 0.87)]命令行烧录模式 [color=rgba(0, 0, 0, 0.87)]在 Linux 命令行中输入 reboot efex 即可重启进入烧录模式 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# reboot efex[color=rgba(0, 0, 0, 0.87)]在 U-Boot 命令行中输入 efex 即可重启进入烧录模式 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">=> efexGPIO 点灯测试[color=rgba(0, 0, 0, 0.87)]开发板有一颗 LED 灯供用户操作，接在 PH11 上。换算该 IO 的数字标号为：7 * 32 + 11 = 235，或者查看 IO 复用情况表，其中(MUX UNCLAIMED) 表示这个 GPIO 目前没有被使用： code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# cat /sys/kernel/debug/pinctrl/pio/pinmux-pins[color=rgba(0, 0, 0, 0.87)]它会输出以下内容 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">...上略pin 231 (PH7): (MUX UNCLAIMED) (GPIO UNCLAIMED)pin 232 (PH8): (MUX UNCLAIMED) (GPIO UNCLAIMED)pin 233 (PH9): uart0 (GPIO UNCLAIMED) function uart0 group PH9pin 234 (PH10): uart0 (GPIO UNCLAIMED) function uart0 group PH10pin 235 (PH11): (MUX UNCLAIMED) (GPIO UNCLAIMED)pin 236 (PH12): (MUX UNCLAIMED) pio:236pin 237 (PH13): 2020000.wiegand pio:237 function wiegand group PH13pin 238 (PH14): 2020000.wiegand pio:238 function wiegand group PH14pin 239 (PH15): (MUX UNCLAIMED) pio:239...下略[color=rgba(0, 0, 0, 0.87)]我们先导出该 GPIO： code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">echo 235 > /sys/class/gpio/exportcd /sys/class/gpio/gpio235[color=rgba(0, 0, 0, 0.87)]然后再将该 IO 置为输出状态，即可操作其电平： code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">echo out > directionecho 1 > value #LED点亮echo 0 > value #LED熄灭[color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]V853 开发板使用的是 XR829 Wi-Fi & BT 模块，使用 40M 外部晶振，其Wi-Fi部分通过SDIO总线与 V853 通讯，设备位于 SDC1 接口上。 Wi-Fi 测试与连接网络[color=rgba(0, 0, 0, 0.87)]Wi-Fi 扫描网络与连接网络 [color=rgba(0, 0, 0, 0.87)]Tina 提供了一套简易方便的 Wi-Fi 测试套件：wifi 。 使用 wifi 命令可以设置 Wi-Fi 的工作模式，扫描网络，连接网络等等。 它的使用方法可以通过运行 wifi -h 了解。 这里首先介绍如何使用 wifi 扫描网络： [color=rgba(0, 0, 0, 0.87)]（1）设置 Wi-Fi 为 STATION 模式 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# wifi -o sta [color=rgba(0, 0, 0, 0.87)]（2）扫描当前网络环境的 Wi-Fi 站点 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# wifi -s[color=rgba(0, 0, 0, 0.87)]（3）连接Wi-Fi（SSID：awol，密码 12345678） code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# wifi -c awol 12345678[color=rgba(0, 0, 0, 0.87)]（4）连接网络后输入 ifconfig 即可查看当前 ip 地址 [color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]可以使用 ping 命令测试 网络连接 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# ping www.baidu.com[color=rgba(0, 0, 0, 0.87)]它会输出以下内容 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">PING 202.108.22.5 (202.108.22.5): 56 data bytes64 bytes from 202.108.22.5: seq=0 ttl=49 time=48.734 ms64 bytes from 202.108.22.5: seq=1 ttl=49 time=48.624 ms64 bytes from 202.108.22.5: seq=2 ttl=49 time=58.370 ms64 bytes from 202.108.22.5: seq=3 ttl=49 time=69.119 ms64 bytes from 202.108.22.5: seq=4 ttl=49 time=49.635 ms[color=rgba(0, 0, 0, 0.87)]（5）关闭Wi-Fi code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# wifi -f[color=rgba(0, 0, 0, 0.87)]Wi-Fi 建立热点 [color=rgba(0, 0, 0, 0.87)]（1）创建热点 （SSID：v853，密码 12345678） code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# wifi -o ap v853 12345678[color=rgba(0, 0, 0, 0.87)]（2）然后就可以扫描到 Wi-Fi 了，输入密码 12345678 进行连接 [color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]V853 开发板使用的是 XR829 Wi-Fi & BT 模块，使用 40M 外部晶振，其 蓝牙 部分通过 UART 总线与 V853 通讯，设备位于 UART2 接口上。 蓝牙测试[color=rgba(0, 0, 0, 0.87)]命令： code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">bt_test蓝牙sink[color=rgba(0, 0, 0, 0.87)]将v853开发板作为蓝牙小音箱，通过蓝牙在开发板上播放音频 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# bt_test -i -p a2dp-sink音频功能[color=rgba(0, 0, 0, 0.87)]V853 开发板板载了两路麦克风输入，一路音频输入，一个扬声器输出。（注意，左侧 UART0 旁的 3.5mm 耳机接口是 GPS 使用的 UART 接口，不是耳机接口） [color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]查看录音设备 [color=rgba(0, 0, 0, 0.87)]可以使用 arecord -l 命令查看开发板提供的录音设备。 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# arecord -l[color=rgba(0, 0, 0, 0.87)]它会输出以下内容 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">**** List of CAPTURE Hardware Devices ****card 0: audiocodec [audiocodec], device 0: soc@03000000:codec_plat-sunxi-snd-codec sunxi-snd-codec-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0card 1: snddaudio0 [snddaudio0], device 0: 2032000.daudio0_plat-snd-soc-dummy-dai snd-soc-dummy-dai-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0[color=rgba(0, 0, 0, 0.87)]麦克风录音 [color=rgba(0, 0, 0, 0.87)]V853 开发板板载了两个麦克风，位于 LINE-IN接口附近。 [color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]在录音之前，首先需要打开音频通路，配置内部 MIC1，MIC2 录制双通道音频。
选择 MIC1 输入 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# amixer -D hw:audiocodec cset name='MIC1 Input Select' 0[color=rgba(0, 0, 0, 0.87)]它会输出以下内容 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">numid=23,iface=MIXER,name='MIC1 Input Select' ; type=ENUMERATED,access=rw------,values=1,items=2 ; Item #0 'differ' ; Item #1 'single' : values=0[color=rgba(0, 0, 0, 0.87)]选择 MIC2 输入 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# amixer -D hw:audiocodec cset name='MIC2 Input Select' 0[color=rgba(0, 0, 0, 0.87)]它会输出以下内容 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">numid=23,iface=MIXER,name='MIC2 Input Select' ; type=ENUMERATED,access=rw------,values=1,items=2 ; Item #0 'differ' ; Item #1 'single' : values=0[color=rgba(0, 0, 0, 0.87)]开启 MIC1 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# amixer -D hw:audiocodec cset name='MIC1 Switch' 1[color=rgba(0, 0, 0, 0.87)]它会输出以下内容 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">numid=17,iface=MIXER,name='MIC1 Switch' ; type=BOOLEAN,access=rw------,values=1 : values=on[color=rgba(0, 0, 0, 0.87)]开启 MIC2 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# amixer -D hw:audiocodec cset name='MIC2 Switch' 1[color=rgba(0, 0, 0, 0.87)]它会输出以下内容 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">numid=17,iface=MIXER,name='MIC2 Switch' ; type=BOOLEAN,access=rw------,values=1 : values=on[color=rgba(0, 0, 0, 0.87)]设置 MIC1 音量 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# amixer -D hw:audiocodec cset name='MIC1 gain volume' 30[color=rgba(0, 0, 0, 0.87)]它会输出以下内容 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">numid=12,iface=MIXER,name='MIC1 gain volume' ; type=INTEGER,access=rw---R--,values=1,min=0,max=31,step=0 : values=19 | dBscale-min=0.00dB,step=1.00dB,mute=0[color=rgba(0, 0, 0, 0.87)]设置 MIC2 音量 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# amixer -D hw:audiocodec cset name='MIC2 gain volume' 30[color=rgba(0, 0, 0, 0.87)]它会输出以下内容 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">numid=12,iface=MIXER,name='MIC2 gain volume' ; type=INTEGER,access=rw---R--,values=1,min=0,max=31,step=0 : values=19 | dBscale-min=0.00dB,step=1.00dB,mute=0[color=rgba(0, 0, 0, 0.87)]使用 arecord -D hw:audiocodec -f S16_LE -t wav -c2 -r 16000 -d 3 t.wav 命令，使用板载的两个麦克风进行录音。 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# arecord -D hw:audiocodec -f S16_LE -t wav -c2 -r 16000 -d 3 t.wav[color=rgba(0, 0, 0, 0.87)]它会输出以下内容 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">Recording WAVE 't.wav' : Signed 16 bit Little Endian, Rate 16000 Hz, Stereo播放[color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]查看播放设备 [color=rgba(0, 0, 0, 0.87)]使用 aplay -l 查看播放设备 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# aplay -l[color=rgba(0, 0, 0, 0.87)]它会输出以下内容 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">**** List of PLAYBACK Hardware Devices ****card 0: audiocodec [audiocodec], device 0: soc@03000000:codec_plat-sunxi-snd-codec sunxi-snd-codec-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0card 1: snddaudio0 [snddaudio0], device 0: 2032000.daudio0_plat-snd-soc-dummy-dai snd-soc-dummy-dai-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0[color=rgba(0, 0, 0, 0.87)]扬声器播放音频 [color=rgba(0, 0, 0, 0.87)]在播放之前，首先需要打开音频通路，配置扬声器播放音频。 [color=rgba(0, 0, 0, 0.87)]开启 LINEOUT 输出功能 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# amixer -D hw:audiocodec cset name='LINEOUT Output Select' 1[color=rgba(0, 0, 0, 0.87)]它会输出以下内容 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">numid=22,iface=MIXER,name='LINEOUT Output Select' ; type=ENUMERATED,access=rw------,values=1,items=2 ; Item #0 'single' ; Item #1 'differ' : values=1[color=rgba(0, 0, 0, 0.87)]开启 LINEOUT 通路 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# amixer -D hw:audiocodec cset name='LINEOUT Switch' 1[color=rgba(0, 0, 0, 0.87)]它会输出以下内容 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">numid=20,iface=MIXER,name='LINEOUT Switch' ; type=BOOLEAN,access=rw------,values=1 : values=on[color=rgba(0, 0, 0, 0.87)]设置输出音量 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# amixer -D hw:audiocodec cset name='LINEOUT volume' 25[color=rgba(0, 0, 0, 0.87)]它会输出以下内容 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">numid=16,iface=MIXER,name='LINEOUT volume' ; type=INTEGER,access=rw---R--,values=1,min=0,max=31,step=0 : values=25 | dBrange- rangemin=0,,rangemax=1 | dBscale-min=0.00dB,step=0.00dB,mute=1 rangemin=2,,rangemax=31 | dBscale-min=-43.50dB,step=1.50dB,mute=1[color=rgba(0, 0, 0, 0.87)]使用 aplay 通过外接扬声器播放刚才录制的音频。 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">aplay -D hw:audiocodec t.wav[color=rgba(0, 0, 0, 0.87)]它会输出以下内容 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">Playing WAVE 't.wav' : Signed 16 bit Little Endian, Rate 16000 Hz, Stereo修改音量[color=rgba(0, 0, 0, 0.87)]使用 alsamixer 提供的图形化界面调整音量。 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# alasmixer[color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]V853 开发板板载百兆以太网络，使用 IP101GR 以太网收发器。 [color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]插入网线，使用 ifconfig eth0 up 打开网络设备，udhcp -i eth0 动态活动IP地址。之后可以使用 ping 命令测试网络连接。 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# ifconfig eth0 uproot@TinaLinux:/# udhcp -i eth0[color=rgba(0, 0, 0, 0.87)]运行 ping 测试 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# ping www.baidu.com[color=rgba(0, 0, 0, 0.87)]它会输出以下内容 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">PING 202.108.22.5 (202.108.22.5): 56 data bytes64 bytes from 202.108.22.5: seq=0 ttl=49 time=48.734 ms64 bytes from 202.108.22.5: seq=1 ttl=49 time=48.624 ms64 bytes from 202.108.22.5: seq=2 ttl=49 time=58.370 ms64 bytes from 202.108.22.5: seq=3 ttl=49 time=69.119 ms64 bytes from 202.108.22.5: seq=4 ttl=49 time=49.635 msLCD 显示[color=rgba(0, 0, 0, 0.87)]V853 开发板配套 7寸 LCD屏幕，配有相对应的电容式触摸屏幕。 屏幕基本测试[color=rgba(0, 0, 0, 0.87)]当前固件在开机时会显示 Tina 小企鹅的开机 **。 [color=rgba(0, 0, 0, 0.87)]花屏测试 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">cat /dev/urandom > /dev/fb0[color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]彩色条纹测试 [color=rgba(0, 0, 0, 0.87)]通过 echo 到 /sys/class/disp/disp/attr/colorbar 进行测试，0 到 7 是不同的彩色条纹效果哦 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">echo 0 > /sys/class/disp/disp/attr/colorbar[color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]LVGL 测试 [color=rgba(0, 0, 0, 0.87)]LVGL(轻量级和通用图形库)是一个免费和开源的图形库，它提供了创建嵌入式GUI所需的一切，具有易于使用的图形元素，美丽的视觉效果和低内存占用。 这里运行 lv_examples 1 进行测试。 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# lv_examples 1[color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]同时固件也提供了多种测试效果， code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">运行 lv_examples 0 是 lv_demo_widgets运行 lv_examples 1 是 lv_demo_music运行 lv_examples 2 是 lv_demo_benchmark运行 lv_examples 3 是 lv_demo_keypad_encoder运行 lv_examples 4 是 lv_demo_stress[color=rgba(0, 0, 0, 0.87)]DirectFB 测试 [color=rgba(0, 0, 0, 0.87)]DirectFB是一个轻量级的硬件图形加速、输入设备处理特性和抽象的图形库，它集成了在Linux Framebuffer驱动之上的多层显示的功能。 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:/# df_andi[color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]同时固件也提供了多种测试效果可供选择。 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">df_andi df_drivertest2 df_matrix df_texturedf_flip df_neo df_window df_dok df_knuckles df_porter df_drivertest LCD 触摸LCD 触摸测试[color=rgba(0, 0, 0, 0.87)]LCD 触摸时会向 V853 发送数据，可以通过 cat 命令获取这些数据。 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:~# cat /dev/input/event0[color=rgba(0, 0, 0, 0.87)]运行后触摸屏幕在终端命令行会输出乱码。即为获得的触摸信号。 摄像头[color=rgba(0, 0, 0, 0.87)]V853 开发板默认提供双1080p摄像头方案，型号是GC2063。 实时显示[color=rgba(0, 0, 0, 0.87)]摄像头图像显示到屏幕上 [color=rgba(0, 0, 0, 0.87)]使用 sample_virvi2vo 捕获摄像头图像并显示。 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:~# sample_virvi2vo /usr/sample_virvi2vo.conf[color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)] [color=rgba(0, 0, 0, 0.87)]切换到 Device 模式 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:~# cat /sys/devices/platform/soc/usbc0/usb_device[color=rgba(0, 0, 0, 0.87)]切换到 Host 模式 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:~# cat /sys/devices/platform/soc/usbc0/usb_hostUSB U盘测试[color=rgba(0, 0, 0, 0.87)]V853 的 Type C USB 连接器支持 OTG，可以连接 U盘、鼠标键盘 等物品。在接入 USB TYPE A 设备的时候需要一个 USB TYPE C 转 TYPE A 转接头。 [color=rgba(0, 0, 0, 0.87)]先把USB切换到 HOST 模式 code" style="box-sizing: inherit; -webkit-tap-highlight-color: transparent; font-size: inherit; font-family: inherit; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; border-width: 0px; border-style: initial; border-color: initial; position: absolute; top: 0.5em; right: 0.5em; z-index: 1; width: 1.5em; height: 1.5em; border-radius: 0.1rem; outline: none; outline-offset: 0.1rem; cursor: pointer; transition: color 0.25s ease 0s;">root@TinaLinux:~# cat /sys/devices/platform/soc/usbc0/usb_host[color=rgba(0, 0, 0, 0.87)]插入 U 盘，自动挂载 /mnt/exUDISK 目录 TF Card[color=rgba(0, 0, 0, 0.87)]插入 TF 卡，TF卡将自动挂载到 /mnt/sdcard 目录下 [color=rgba(0, 0, 0, 0.87)] [color=var(--md-typeset-a-color)]
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