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led_screen_display_control.md

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LED screen display control instructions

  • The configuration file is placed in the /usr/share/openvfd directory of the Armbian/OpenWrt system, and the command file for Armbian systems is located at /usr/sbin/armbian-openvfd, and the command file for OpenWrt systems is located at /usr/sbin/openwrt-openvfd. If it is not in the current system, it can be uploaded manually, And give the file execute permission: chmod +x /usr/share/openvfd/vfdservice /usr/sbin/*-openvfd

  • Upgrade your system's kernel to the latest version. Armbian systems are updated using the armbian-update command. For OpenWrt system, use System menu → Amlogic Service → Online Download Update to upgrade the function.

  • At present, there are several boxes such as x96max.conf, x96maxplus.conf, h96max-x3.conf, hk1-x3.conf, hk1box.conf, tx3.conf, x96air.conf etc. that have passed the test. The configuration of other devices can be viewed: arthur-liberman/vfd-configurations and LibreELEC/linux_openvfd to modify, It is necessary to adjust the corresponding content in the configuration files of these two websites, and use it after subtracting 1 from the value of the second field, such as:

vfd_gpio_clk='0,69,0'
vfd_gpio_dat='0,70,0'

change into:

vfd_gpio_clk='0,68,0'
vfd_gpio_dat='0,69,0'

  • Take the configuration of x96maxplus as an example: if the displayed time and text order is not correct, you can adjust the numerical order of vfd_chars='4,0,1,2,3' to vfd_chars='1,2,3,4,0', etc. for testing. If the time is displayed in reverse, you can adjust the first value 0x02 in vfd_display_type='0x02,0x00,0x01,0x00' to 0x01, etc. for testing. The displayed content can adjust the value in functions='usb apps setup sd hdmi cvbs' according to the specific situation supported by your own device

  • Name the configuration file diy.conf and upload it to the /usr/share/openvfd/conf directory, enter the command armbian-openvfd 99 to test.

  • You can disable the LED display and clear system processes with the command armbian-openvfd 0, before each test a new configuration, please execute this disable command first, and then execute armbian-openvfd 99 to make changes After the configuration test.

  • After the screen is displayed normally, you can add it to the self-starting task at boot, The 15 in the following command is changed to your BoxID :

# Execute the following command in the terminal to enable openvfd service
sed -i 's|^#*openvfd_enable=.*|openvfd_enable="yes"|g' /etc/custom_service/start_service.sh
sed -i 's|^#*openvfd_boxid=.*|openvfd_boxid="15"|g' /etc/custom_service/start_service.sh
  • You are welcome to share the conf file(xxx.conf) of your own devices after testing, so that more people can benefit.
BoxName BoxID Armbian Command OpenWrt Command Function
x96max 11 armbian-openvfd 11 openwrt-openvfd 11 Enable LED
x96maxplus 12 armbian-openvfd 12 openwrt-openvfd 12 Enable LED
x96air 13 armbian-openvfd 13 openwrt-openvfd 13 Enable LED
h96max-x3 14 armbian-openvfd 14 openwrt-openvfd 14 Enable LED
hk1-x3 15 armbian-openvfd 15 openwrt-openvfd 15 Enable LED
hk1box 16 armbian-openvfd 16 openwrt-openvfd 16 Enable LED
tx3 17 armbian-openvfd 17 openwrt-openvfd 17 Enable LED
tx3-mini 18 armbian-openvfd 18 openwrt-openvfd 18 Enable LED
t95 19 armbian-openvfd 19 openwrt-openvfd 19 Enable LED
t95z-plus 20 armbian-openvfd 20 openwrt-openvfd 20 Enable LED
tx9-pro 21 armbian-openvfd 21 openwrt-openvfd 21 Enable LED
x92 22 armbian-openvfd 22 openwrt-openvfd 22 Enable LED
diy 99 armbian-openvfd 99 openwrt-openvfd 99 Enable LED
- 0 armbian-openvfd 0 openwrt-openvfd 0 Disable LED
- -u armbian-openvfd -u openwrt-openvfd -u Update Conf

LED 屏显示控制说明

  • 配置文件放在 Armbian/OpenWrt 系统的 /usr/share/openvfd 目录下，Armbian 系统的命令文件位于 /usr/sbin/armbian-openvfd，OpenWrt 系统的命令文件位于 /usr/sbin/openwrt-openvfd。如果当前系统中没有的可以手动上传，并赋予文件执行权限：chmod +x /usr/share/openvfd/vfdservice /usr/sbin/*-openvfd

  • 将系统的内核升级到最新版本。Armbian 系统使用 armbian-update 命令升级。OpenWrt 系统使用 系统菜单 → 晶晨宝盒 → 在线下载更新 功能升级。

  • 目前有 x96max.conf、x96maxplus.conf、h96max-x3.conf、hk1-x3.conf、hk1box.conf、tx3.conf、x96air.conf 等设备经过测试，其他设备的配置可以查看：arthur-liberman/vfd-configurations 和 LibreELEC/linux_openvfd 进行修改，需要把这两个网站中配置文件里对应内容中进行调整，把第二个字段的值减 1 后使用，如：

vfd_gpio_clk='0,69,0'
vfd_gpio_dat='0,70,0'

修改为：

vfd_gpio_clk='0,68,0'
vfd_gpio_dat='0,69,0'

  • 以 x96maxplus 的配置为例：如果显示的时间文字顺序不正确，可以调整 vfd_chars='4,0,1,2,3' 的数字顺序为 vfd_chars='1,2,3,4,0' 等进行测试。如果时间是翻转显示，可以调整 vfd_display_type='0x02,0x00,0x01,0x00' 中的 第一个值 0x02 为 0x01 等进行测试。显示的内容可根据自己的设备支持的具体情况调整 functions='usb apps setup sd hdmi cvbs' 中的值。

  • 将配置文件命名为 diy.conf 并上传至 /usr/share/openvfd/conf 目录下，输入命令 armbian-openvfd 99 进行测试。

  • 通过命令 armbian-openvfd 0 可以禁用 LED 显示并清除系统进程，在每次测试新的配置前，请先执行此禁用命令，再执行 armbian-openvfd 99 进行更改后的配置测试。

  • 屏幕显示正常后，可以添加至开机自启动任务，下面命令中的 15 改为你的 盒子编号 ：

# 在终端执行以下命令启用 openvfd 服务
sed -i 's|^#*openvfd_enable=.*|openvfd_enable="yes"|g' /etc/custom_service/start_service.sh
sed -i 's|^#*openvfd_boxid=.*|openvfd_boxid="15"|g' /etc/custom_service/start_service.sh
  • 欢迎大家测试后分享自己设备的配置文件（ diy.conf ），让更多人受益。
盒子名称 盒子编号 Armbian 使用命令 OpenWrt 使用命令 功能
x96max 11 armbian-openvfd 11 openwrt-openvfd 11 启用 LED
x96maxplus 12 armbian-openvfd 12 openwrt-openvfd 12 启用 LED
x96air 13 armbian-openvfd 13 openwrt-openvfd 13 启用 LED
h96max-x3 14 armbian-openvfd 14 openwrt-openvfd 14 启用 LED
hk1-x3 15 armbian-openvfd 15 openwrt-openvfd 15 启用 LED
hk1box 16 armbian-openvfd 16 openwrt-openvfd 16 启用 LED
tx3 17 armbian-openvfd 17 openwrt-openvfd 17 启用 LED
tx3-mini 18 armbian-openvfd 18 openwrt-openvfd 18 启用 LED
t95 19 armbian-openvfd 19 openwrt-openvfd 19 启用 LED
t95z-plus 20 armbian-openvfd 20 openwrt-openvfd 20 启用 LED
tx9-pro 21 armbian-openvfd 21 openwrt-openvfd 21 启用 LED
x92 22 armbian-openvfd 22 openwrt-openvfd 22 启用 LED
diy 99 armbian-openvfd 99 openwrt-openvfd 99 启用 LED
- 0 armbian-openvfd 0 openwrt-openvfd 0 禁用 LED
- -u armbian-openvfd -u openwrt-openvfd -u 更新配置