Difference between revisions of "DESK-MP1-L/Deployment/Customizing the splash screen"

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(Created page with "==Customizing the splash screen== === Instructions === The following U-Boot environment variables are required: * <code>splashimage</code>: RAM address where the BMP image...")
 
 
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!colspan="4" style="width:100%; text-align:left"; border-bottom:solid 2px #ededed"|History
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__FORCETOC__
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==Customizing the splash screen==
 
==Customizing the splash screen==
  
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=== Instructions ===
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The following U-Boot environment variables are required for the splash image display when u-boot starts:
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The following U-Boot environment variables are required:
 
  
 
* <code>splashimage</code>: RAM address where the BMP image is loaded. Please note that it must be a 32-bit (eg: <code>0xc4100000</code>)
 
* <code>splashimage</code>: RAM address where the BMP image is loaded. Please note that it must be a 32-bit (eg: <code>0xc4100000</code>)
 
* <code>splashfile</code>: image name to load and then display at boot. (eg: <code>splash_landscape.bmp</code>)
 
* <code>splashfile</code>: image name to load and then display at boot. (eg: <code>splash_landscape.bmp</code>)
  
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==== uSD Splash image ====
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=== U-Boot variables example ===
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===== U-Boot variables =====
 
  
 
<pre>
 
<pre>
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</pre>
 
</pre>
  
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===== Commands update splah image on u-boot via tftp =====
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=== How to update splashscreen image ===
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If you want to upload the image via tftp you must first format the ext4 partitions of the uSD without the <code>metadata_csum</code> flag (eg: <code>mkfs.ext4 -O ^metadata_csum -F -L <name> <partition></code>)
 
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The following commands are used to store in uSD flash a BMP image loaded via tftp(e.g. the image are con <code>/tftp/desk-mp1-l/splash_image.bmp</code>, <code>serverip=192.168.0.13</code>)
 
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<pre>
 
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tftp ${loadaddr} desk-mp1-l/splash_image.bmp
 
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ext4write mmc 0:8 ${loadaddr} /splash_landscape.bmp ${filesize}
 
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</pre>
 
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Not using the <code>metadata_csum</code> flag is not recommended!
 
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===== Commands update splah image with host =====
 
  
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You can update the splash image with the following steps:
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As an example, you can update the splash image with the following steps:
 
* connect the uSD to the host
 
* connect the uSD to the host
 
* mount the boot partition (eg: <code>sudo mount /dev/sdb8 /mnt</code>)
 
* mount the boot partition (eg: <code>sudo mount /dev/sdb8 /mnt</code>)
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* umount the uSD and excecute the boot
 
* umount the uSD and excecute the boot
  
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===== Commands update splah image on userspace =====
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----
  
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After booting and into userspace, get the image to have as splash, for example using a scp command from the host, the boot partition should already be mounted in <code>/boot</code>, put the image to use in the partition, the image must have the name <code>splash_landscape.bmp</code>.
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[[Category:ETRA]] [[Category:ETRA_SBC]]

Latest revision as of 11:29, 8 January 2024

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History
Issue Date Notes
2023/08/01 DESK-MP1-L-1.0.0 release



Customizing the splash screen[edit | edit source]

The following U-Boot environment variables are required for the splash image display when u-boot starts:

  • splashimage: RAM address where the BMP image is loaded. Please note that it must be a 32-bit (eg: 0xc4100000)
  • splashfile: image name to load and then display at boot. (eg: splash_landscape.bmp)

U-Boot variables example[edit | edit source]

splashimage=0xc4100000
splashfile=splash_landscape.bmp

How to update splashscreen image[edit | edit source]

As an example, you can update the splash image with the following steps:

  • connect the uSD to the host
  • mount the boot partition (eg: sudo mount /dev/sdb8 /mnt)
  • copy on /mnt partition the image with this name: splash_landscape.bmp
  • umount the uSD and excecute the boot
HOME SOMs SBCs ToloMEO Embedded Assistant Sale-tag.pngGET A QUOTE Customer-service.pngONLINE HELPDESK
Roadmap IoT Services ML/AI services Embedded Design Services
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