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Added section for note about rp2040_boot2

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When not using rp-pico but rp2040_boot2
the bootloader needs added. Added a section
about this in the readme.
This commit is contained in:
s7rul 2023-06-12 22:36:37 +02:00
parent bc06fdfeb0
commit 176f281121
1 changed files with 18 additions and 0 deletions
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18
README.md
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@ -20,6 +20,7 @@ If you aren't using a debugger (or want to use cargo-embed/probe-rs-debugger), c
<li><a href="#installation-of-development-dependencies">Installation of development dependencies</a></li>
<li><a href="#running">Running</a></li>
<li><a href="#alternative-runners">Alternative runners</a></li>
<li><a href="#notes-on-using-rp2040_boot2">Notes on using rp2040_boot2</a></li>
<li><a href="#roadmap">Roadmap</a></li>
<li><a href="#contributing">Contributing</a></li>
<li><a href="#code-of-conduct">Code of conduct</a></li>
@ -231,6 +232,23 @@ Some of the options for your `runner` are listed below:
</details>
</details>
<!-- Notes on using rp2040_hal and rp2040_boot2 -->
<details open="open">
<summary><h2 style="display: inline-block" id="notes-on-using-rp2040_boot2">Notes on using rp2040_boot2</h2></summary>
When rp2040_boot2 is used instead of rp-pico the bootloader
must be written to the .boot2 sector. This can be done by adding the
following to the beginning of main.rs:
```rust
use rp2040_boot2;
#[link_section = ".boot2"]
#[used]
pub static BOOT_LOADER: [u8; 256] = rp2040_boot2::BOOT_LOADER_W25Q080;
```
</details>
<!-- ROADMAP -->
## Roadmap