MY-IMX6 Linux-3.0.35 System Logo Development

u-boot LOGO modification

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Download tool

• PathnameP
  

2.1_system_Linux-3.0.35 > 04_development instruction > 01_ system LOGO

• File instruction
  

Bin2C.exe：to convert BMP to .c file.
.myzr.bmp：sample image file（8 bit BMP）.
myzr.c：sample.c file.

Prepare LOGO

Prepare LOGO image file

Prepare BMP format（8 bit）image file.

Data conversion

Convert image file to C file with Bin2C.exe.

Modify code

Modify C file

• Modify variable name to be consistent with code in u-boot，to ensure data to be transfered correctly.
  

Compile the c file created above，modify.
unsigned char acmyzr[] = {

const unsigned char myzr_bmp_logo[] = {

• Add definition of data size
  

Insert the line before "End of file"
int myzr_bmp_logo_size = sizeof(myzr_bmp_logo);

Replace C file

Change myzr.c to be named as myzr_bmp_logo.c，then replace board/myzr/common/myzr_bmp_logo.c in u-boot source code with it.

Compile

Refer to《MY-IMX6 Linux-3.0.35 compilation manual》

Test

Renew system to the new u-boot.
Re-boot and LOGO needed will be shown on LCD screen of evaluation board.

Kernel modify LOGO

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The guide for kernel modify LOGO is easily found in internet, so it is ignored here.