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Add a note regarding target dir location #520

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Mar 30, 2023
Merged

Add a note regarding target dir location #520

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419a3de
Add a note regarding `target` dir location
arr-ee Mar 28, 2023
fd17c3e
Also add note the the f3disco version
arr-ee Mar 29, 2023
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11 changes: 11 additions & 0 deletions f3discovery/src/05-led-roulette/flash-it.md
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Expand Up @@ -97,6 +97,17 @@ gdb-multiarch -q -ex "target remote :3333" target/thumbv7em-none-eabihf/debug/le
``` console
gdb -q -ex "target remote :3333" target/thumbv7em-none-eabihf/debug/led-roulette
```

> **NOTE**: If you are getting `target/thumbv7em-none-eabihf/debug/led-roulette: No such file or directory`
> error, try adding `../../` to the file path, for example:
>
> ```shell
> $ gdb -q -ex "target remote :3333" ../../target/thumbv7em-none-eabihf/debug/led-roulette
> ```
>
> This is caused by each example project being in a `workspace` that contains the entire book, and workspaces have
> a single `target` directory. Check out [Workspaces chapter in Rust Book] for more.

### **Failing case**

You can detect a failing case if there is a `warning` or `error` after the `Remote debugging using :3333` line:
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12 changes: 12 additions & 0 deletions microbit/src/05-led-roulette/debug-it.md
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Expand Up @@ -28,6 +28,18 @@ $ gdb target/thumbv6m-none-eabi/debug/led-roulette

[chapter 3]: ../03-setup/index.md#tools

> **NOTE**: If you are getting `target/thumbv7em-none-eabihf/debug/led-roulette: No such file or directory`
> error, try adding `../../` to the file path, for example:
>
> ```shell
> $ gdb ../../target/thumbv7em-none-eabihf/debug/led-roulette
> ```
>
> This is caused by each example project being in a `workspace` that contains the entire book, and workspaces have
> a single `target` directory. Check out [Workspaces chapter in Rust Book] for more.

[Workspaces chapter in Rust Book]: https://doc.rust-lang.org/book/ch14-03-cargo-workspaces.html#creating-a-workspace

> **NOTE**: If `cargo-embed` prints a lot of warnings here don't worry about it. As of now it does not fully
> implement the GDB protocol and thus might not recognize all the commands your GDB is sending to it,
> as long as it does not crash, you are fine.
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