This section explains the process of generating a firmware image file.
Himax maintains a repository containing a few examples that can be used with the Seeed Grove Vision AI V2 board.
It contains third-party software and scripts to build and flash the image with the object detection application. By recursively cloning the Himax examples repository, git includes the necessary subrepositories that have been configured for the project.
Clone the repository:
git clone --recursive https://github.com/HimaxWiseEyePlus/Seeed_Grove_Vision_AI_Module_V2.git
cd Seeed_Grove_Vision_AI_Module_V2
Use Make to compile the source code for object detection.
This can take up to 10 minutes depending on the number of CPU cores available on your host machine.
cd EPII_CM55M_APP_S
make
When the build is complete, you will have an .elf file at obj_epii_evb_icv30_bdv10/gnu_epii_evb_WLCSP65/EPII_CM55M_gnu_epii_evb_WLCSP65_s.elf
The examples repository contains scripts to generate the image file.
Copy the .elf file to the input_case1_secboot directory:
cd ../we2_image_gen_local/
cp ../EPII_CM55M_APP_S/obj_epii_evb_icv30_bdv10/gnu_epii_evb_WLCSP65/EPII_CM55M_gnu_epii_evb_WLCSP65_s.elf input_case1_secboot/
Run the script on your OS as shown below. This creates a file named output.img in the output_case1_sec_wlcsp directory:
./we2_local_image_gen project_case1_blp_wlcsp.json
./we2_local_image_gen_macOS_arm64 project_case1_blp_wlcsp.json
The script output ends with the following:
Output image: output_case1_sec_wlcsp/output.img
Output image: output_case1_sec_wlcsp/output.img
IMAGE GEN DONE
You are now ready to flash the image onto the Himax development board.