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Panic message is written to RAM, not flash #28

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Mar 27, 2023
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Panic message is written to RAM, not flash #28

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Panic message is written to RAM, not flash
JohnAZoidberg Mar 24, 2023
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Update README.md
JohnAZoidberg Mar 27, 2023
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6 changes: 3 additions & 3 deletions README.md
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Expand Up @@ -173,12 +173,12 @@ Bus 003 Device 078: ID 32ac:0021 Framework Laptop 16 B1 Display
bcdDevice 0.10
```

## Panic
## Rust Panic

On panic the RP2040 resets itself into bootloader mode.
When the Rust code panics, the RP2040 resets itself into bootloader mode.
This means a new firmware can be written to overwrite the old one.

Additionally the panic message is written to flash, which can be read as follows:
Additionally the panic message is written to XIP RAM, which can be read with [picotool](https://github.com/raspberrypi/picotool):

```sh
sudo picotool save -r 0x15000000 0x15004000 message.bin
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