If you cannot boot to Lakka and you are stuck either on the device splash screen or. By modifying U-Boot source code, you can create your own built-in commands. 4.2.1) and upload via TFTP the splash screen on a TX CoM. You should try to compile your own u-boot with the armbian patches. U-Boot commands 4.1 Overview U-Boot has a set of built-in commands for booting the system, managing memory, and updating an embedded system’s firmware. 2.2.3.1, Step 8(a)).įollowing shows examples how to partition (NAND), activate, position (optional, Ch. If U-Boot supports the framebuffer, U-Boot can be used to display a splash screen or a custom company logo. 3 ff.īetween a TX CoM using NAND and one using eMMC users have to follow slightly different procedures:Īfter setting up the U‑Boot environment for display output (see video_mode), the splash screen can be loaded into the NAND or eMMC like any other file (see e.g.: Ch. Resolution maximum depends on the capabilities of TX COM.Īny unused space around the picture will be set to an all white background. Requirements and restrictions for an active splash image: Screen/splash image feature is built‑in, but not active. I have never developed a driver for u-boot before. I was hoping that there were another way. KamilCuk at 8:30 Thank you, you are right. So write your own video driver for u-boot. In the standard Ka‑Ro release installation the boot splash 29 5 So, a driver for a device that you have is missing from upstream. Screen/splash image being defined which is loaded from a NAND or eMMC In the factory configuration U‑Boot displays a boot logo which is compiled-in Users who want to add a configuration for a custom display please refer to: "/Datasheets/Display/*.pdf" on the CD and/or the products download site. Following a short list of available (pre-defined) modes as available by the Ka-Ro
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |