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27 lines
888 B
Markdown
27 lines
888 B
Markdown
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# Trezor firmware on STM32F429I-DISC1
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The
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[STM32F429I-DISC1](https://www.st.com/en/evaluation-tools/32f429idiscovery.html)
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evaluation board has similar MCU to Trezor Model T as well as compatible touchscreen.
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On the board, mini-USB is used to flash the firmware using the integrated ST-Link, as well
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as power the board. The micro-USB connector is used by the firmware to communicate with
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the trezor client. I.e. normally you need both cables connected.
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Make sure JP1, JP2, JP3, and CN4 are fitted with jumpers (board is in this state by
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default).
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## Building and flashing
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Follow the [normal build instructions](../build/embedded.md) however pass
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`TREZOR_MODEL=DISC1` to `make`:
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```
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# build firmware images
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make build_boardloader build_bootloader build_firmware TREZOR_MODEL=DISC1
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# use openocd to flash everything through st-link
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make flash
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```
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Reset board after command finishes.
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