36 lines
596 B
Markdown
36 lines
596 B
Markdown
# Falling sand on the STM32F411CE
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## Building
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Run
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```sh
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make build
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```
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## Probe for the board
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Run
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```sh
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st-info --probe
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```
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## Flashing
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Run
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```sh
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make flash
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```
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## Debugging
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### `st-info --probe` shows 0KB flash
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```
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> sudo st-info --probe
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Found 1 stlink programmers
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version: V2J43S28
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serial: 0671FF343056363043090732
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flash: 0 (pagesize: 16384) <--- 0KB flash
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sram: 131072
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chipid: 0x431
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dev-type: STM32F411xC_xE
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```
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This can happen when the flash is locked. One way to unlock it is to erase the entire chip via the
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Windows application `ST-Link Util`.
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