54 lines
1.7 KiB
Markdown
54 lines
1.7 KiB
Markdown
# utils/bin_gen.py
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To compose flash image binary file from separated binary files.
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This script combines .bin files in folder, `flash_bin`, in a predefined order.
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> Binary placing offset for KL520 flash should align with 4KB
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## Prerequisite
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```
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pip install argparse numpy
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```
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## Command
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```
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$ python3 bin_gen.py <options>
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usage: bin_gen.py [-h] [-p] [-f FLASH_SIZE] [-n]
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optional arguments:
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-h, --help show this help message and exit
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-p, --CPU_ONLY FW only
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-f FLASH_SIZE, --flash_size FLASH_SIZE
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target board flash size in MB
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-n, --no_usb_loader_mode
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flash table for no usb loader mode
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```
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> Default flash size is 32 MB
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## Note
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**The following bin files are must**
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```
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flash_bin
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├── boot_spl.bin // bool spl bin file
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├── fw_loader.bin // LOADER bin file (or copied from plus/res/firmware/KL520)
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├── fw_ncpu.bin // SCPU FW bin file (generated by Keil)
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├── fw_scpu.bin // NCPU FW bin file (generated by Keil)
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├── prog_fw_loader_flash-boot.bin // switch to flash boot bin file (or copied from kl520_sdk/utils/JLink_programmer/kdp2)
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├── models_520.nef // model information(or copied from plus/res/models/KL520)
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```
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```
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** if -n is specified (no usb loader mode) **
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flash_bin
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├── boot_spl.bin // bool spl bin file
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├── fw_ncpu.bin // SCPU FW bin file (generated by Keil)
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├── fw_scpu.bin // NCPU FW bin file (generated by Keil)
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├── models_520.nef // model information(or copied from plus/res/models/KL520)
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```
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