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| <h4>Latest News:</h4> <a href="/download">Apache Mynewt 1.11.0, Apache NimBLE 1.6.0 </a> released (September 7, 2023) |
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| <h1 id="porting-mynewt-to-a-new-mcu">Porting Mynewt to a new MCU</h1> |
| <p>Porting Mynewt to a new MCU is not a difficult task if the core CPU architectures is already supported.</p> |
| <p>The depth of work depends on the amount of HAL (Hardware Abstraction Layer) support you need and provide in your port.</p> |
| <p>To get started:</p> |
| <ul> |
| <li>Create a <code>hw/mcu/mymcu</code> directory where <code>mymcu</code> is the MCU you are porting to. |
| Replace the name <code>mymcu</code> with a description of the MCU you are using.</li> |
| <li>Create a <code>hw/mcu/mymcu/variant</code> directory where the variant is the specific |
| variant of the part you are usuing. Many MCU parts have variants with different capabilities |
| (RAM, FLASH etc) or different pinouts. Replace <code>variant</code> with a description of the variant of the part you are using.</li> |
| <li>Create a <code>hw/mcu/mymcu/variant/pkg.yml</code> file. Copy from another mcu and fill out the relevant information</li> |
| <li>Create <code>hw/mcu/mymcu/variant/include</code>,<code>hw/mcu/mymcu/variant/include/mcu</code>, and |
| <code>hw/mcu/mymcu/variant/src</code> directories to contain the code for your mcu.</li> |
| </ul> |
| <p>At this point there are two main tasks to complete.</p> |
| <ul> |
| <li>Implement any OS-specific code required by the OS</li> |
| <li>Implement the HAL functionality that you are looking for</li> |
| </ul> |
| <p>Please contact the Mynewt development list for help and advice porting to new MCU.</p> |
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