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shields: Add support for M5Stack-Core2 base shield.

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M5Stack-Core2 comes with a base shield that is connected to the M5Stack
extention connector. It features a MPU6886 6-axis motion tracker
and a SPM1423 microphone.

Signed-off-by: Martin Kiepfer <m.kiepfer@teleschirm.org>
This commit is contained in:
Martin Kiepfer 2023-09-05 21:38:20 +02:00 committed by Carles Cufí
parent aef1611e1f
commit 82b1df21cf
5 changed files with 85 additions and 2 deletions
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5
boards/shields/m5stack_core2_ext/Kconfig.shield Normal file
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# Copyright (c) 2023 Martin Kiepfer <mrmarteng@teleschirm.org>
# SPDX-License-Identifier: Apache-2.0
config SHIELD_M5STACK_CORE2_EXT
def_bool $(shields_list_contains,m5stack_core2_ext)

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boards/shields/m5stack_core2_ext/doc/img/m5stack_core2_ext.webp Normal file
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boards/shields/m5stack_core2_ext/doc/index.rst Normal file
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.. _m5stack_core2_ext:
M5Stack-Core2 base shield
####################################
Overview
********
`M5Stack-Core2`_ comes with a base shield that is connected to the M5Stack
extension connector. It features an MPU6886 6-axis motion tracker (6DOF IMU)
and a SPM1423 microphone.
.. figure:: img/m5stack_core2_ext.webp
:align: center
:alt: M5Stack-Core2-EXT
:width: 400 px
M5Stack-Core2-Extension module
.. note::
The SPM1423 microphone functionality is not implemented yet.
Pins Assignments
================
+----------------------+--------------+
| Shield Connector Pin | Function |
+======================+==============+
| 0 | GND |
+----------------------+--------------+
| 11 | 3.3V |
+----------------------+--------------+
| 16 | I2C - intSDA |
+----------------------+--------------+
| 17 | I2C - intSCL |
+----------------------+--------------+
Programming
***********
Set ``-DSHIELD=m5stack_core2_ext`` when you invoke ``west build``.
For example:
.. zephyr-app-commands::
:zephyr-app: samples/sensor/mpu6050
:board: m5stack_core2
:shield: m5stack_core2_ext
:goals: build
References
**********
.. target-notes::
.. _M5Stack-Core2:
https://docs.m5stack.com/en/core/core2

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boards/shields/m5stack_core2_ext/m5stack_core2_ext.overlay Normal file
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/*
* Copyright (c) 2023 Martin Kiepfer <mrmarteng@teleschirm.org>
*
* SPDX-License-Identifier: Apache-2.0
*/
/ {
aliases {
accel0 = &mpu6886_m5stack_core2_ext;
};
};
&m5stack_mbus_i2c0 {
status = "okay";
mpu6886_m5stack_core2_ext: mbus_mpu6886@68 {
status = "okay";
compatible = "invensense,mpu6050";
reg = <0x68>;
};
};

5
boards/xtensa/m5stack_core2/doc/index.rst
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@ -72,8 +72,9 @@ of the M5Stack Core2 board.
|| LCD screen || Built-in LCD TFT display \(`LCD-ILI9342C`_, 2", 320x240 px\) |
|| || controlled via SPI interface |
+------------------+--------------------------------------------------------------------------+
|| 3-axis || The `MPU-6886`_ is a 6-axis MotionTracking device that combines a |
|| gyrosopce || 3-axis gyroscope and a 3-axis accelerometer. |
|| 6-axis IMU || The `MPU-6886`_ is a 6-axis motion tracker (6DOF IMU) device that |
|| MPU6886 || combines a 3-axis gyroscope and a 3-axis accelerometer. |
|| || For details please refer to :ref:`m5stack_core2_ext` |
+------------------+--------------------------------------------------------------------------+
|| Built-in || The `SPM-1423`_ I2S driven microphone. |
|| microphone || |