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https://github.com/markfirmware/zig-bare-metal-microbit

Bare metal microbit program written in zig
https://github.com/markfirmware/zig-bare-metal-microbit

bare-metal microbit zig

Last synced: 2 months ago
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Bare metal microbit program written in zig

Host: GitHub
URL: https://github.com/markfirmware/zig-bare-metal-microbit
Owner: markfirmware
License: mit
Created: 2019-11-09T16:48:00.000Z (about 5 years ago)
Default Branch: master
Last Pushed: 2021-10-24T00:12:43.000Z (over 3 years ago)
Last Synced: 2024-08-03T23:20:53.527Z (6 months ago)
Topics: bare-metal, microbit, zig
Language: Zig
Homepage:
Size: 200 KB
Stars: 33
Watchers: 3
Forks: 2
Open Issues: 4
Metadata Files:
- Readme: README.md
- License: LICENSE

Awesome Lists containing this project

awesome-zig - markfirmware/zig-bare-metal-microbit
awesome-zig - zig-bare-metal-microbit🗒️Bare metal microbit program written in zig

README

        # zig-bare-metal-microbit

See also [zig-bare-metal-raspberry-pi](https://github.com/markfirmware/zig-bare-metal-raspberry-pi) and [Awesome Zig Bootables](https://github.com/nrdmn/awesome-zig/blob/master/readme.md#Bootables)

* Displays "Z" on the leds

* Events from buttons A and B are broadcast on ble and when received are printed on the uart line

The goal is to replace the [ble buttons broadcaster](https://github.com/markfirmware/microbit-samples/blob/master/source/examples/blebuttonsbroadcaster/main.cpp) with zig on bare metal. This broadcaster is processed by [ultibo-ble-observer](https://github.com/markfirmware/ultibo-ble-observer/releases). Although it has no encryption, no privacy and no authentication, it is still useful for controlling a model railroad in a home or club setting, or at a demo.

* [microbit](https://tech.microbit.org)

    * [runtime - not used in this bare-metal project](https://lancaster-university.github.io/microbit-docs/#)

        * [led matrix display driver](https://github.com/lancaster-university/microbit-dal/blob/master/source/drivers/MicroBitDisplay.cpp)

    * [nrf51822](https://infocenter.nordicsemi.com/pdf/nRF51822_PS_v3.1.pdf)

    * [reference](https://infocenter.nordicsemi.com/pdf/nRF51_RM_v3.0.1.pdf)

    * [arm cortex-m0](https://developer.arm.com/ip-products/processors/cortex-m/cortex-m0)

        * [cortex m0 user's guide](https://static.docs.arm.com/dui0497/a/DUI0497A_cortex_m0_r0p0_generic_ug.pdf?_ga=2.60319917.1865497363.1577386349-160760379.1577386349)

    * [armv6m](https://static.docs.arm.com/ddi0419/e/DDI0419E_armv6m_arm.pdf?_ga=2.152616249.101383920.1573135559-619929151.1573135559)

    * [edge connector and pins](https://tech.microbit.org/hardware/edgeconnector)

    * [pin assignments (sheet 5 of schematic)](https://github.com/bbcmicrobit/hardware/blob/master/SCH_BBC-Microbit_V1.3B.pdf)