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--- products:sbc:common:configurations:change-boot-logo [2022/09/29 01:02]
hyphop [Android]
+++ products:sbc:common:configurations:change-boot-logo [2023/03/23 04:35] (current)
xiong
@@ Line 28: / Line 28: @@
 You can replace the default logo with your own **BMP** image.
-==== Kernel Logo ====
+==== Linux Kernel Logo ====
 Use the netpbm tool to convert png images to ppm images.
@@ Line 50: / Line 50: @@
 ===== Android =====
-WIP:
+<WRAP info >
+  *Where is original logo file
+Logo file is stored in the device/khadas/TARGET/logo_img_files/bootup.bmp directory in android code.
+  *BMP format, should be:
+    *16bit RGB565 BMP format
+  *Resolution <= 1080P (1920 * 1080)
+  *How To Change
+Replace the bootup.bmp ,then rebuild the logo.img
+</WRAP>
+==== Build Logo on Android ====
+) Update a new logo picture as you want:
+```shell
+$ cp ~/Pictures/khadas.bmp device/khadas/kvim3/logo_img_files/bootup.bmp
+```
+) Build the logo:
+```shell
+$ cd PATH_YOUR_PROJECT
+$ source build/envsetup.sh
+$ lunch TARGET_LUNCH
+$ make logoimg
+```
+See this build log for reference:
+```shell
+$ make logoimg
+...
+generate out/target/product/kvim3/upgrade/logo.img
+gzip -c device/khadas/kvim3/logo_img_files/bootup.bmp > out/target/product/kvim3/upgrade/logo/bootup.bmp
+dbg:item num 8
+dbg:pack item [bootup]
+dbg:pack item [upgrade_upgrading]
+dbg:pack item [upgrade_fail]
+dbg:pack item [upgrade_unfocus]
+dbg:pack item [upgrade_error]
+dbg:pack item [upgrade_success]
+dbg:pack item [upgrade_logo]
+dbg:pack item [upgrade_bar]
+Installed out/target/product/kvim3/upgrade/logo.img
+#### make completed successfully (01:54 (mm:ss)) ####
+```
+==== Burn the logo.img Separately ====
+) Copy the new logo.img to a thumbdrive (U-disk):
+```shell
+$ cp images/logo.img /media/jason/9B98-6C15/
+```
+) Insert the thumbdrive into your VIM3, then boot into U-Boot mode.
+) Update logo partition as new logo.img:
+```shell
+kvim3# usb_update logo logo.img
+```
+) Refresh to see the new logo:
+```shell
+kvim3# run init_display
+```
+==== Updage the logo by upgrate whole firmware ====
+) replace device/khadas/TARGET/logo_img_files/bootup.bmp bmp file
+) build upgrate package
+```shell
+$ cd PATH_YOUR_PROJECT
+$ source build/envsetup.sh
+$ lunch TARGET_LUNCH
+$ make installclean -j8
+$ make otapackage -j8
+```
+) Burn upgrate package update.img to your device you can refer How To Upgrate ,restart then you can see the new boot logo
+<WRAP info >
+  *Replace PATH_YOUR_PROJECT to your project path
+  *Replace TARGET_LUNCH to your lunch select.
+   *For VIM3, it’s kvim3-userdebug.
+   *For VIM3L, it’s kvim3l-userdebug.
+  *TARGET should be kvim3 or kvim3l
+</WRAP>

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