Python bindings for the MetaWear C++ SDK by MbientLab
Project description
MetaWear Python SDK
Python SDK for creating MetaWear apps on the Linux platform. This is a thin wrapper around the MetaWear C++ API so you will find the C++ documentation and API reference useful. Also, check out the scripts in the examples folder for full sample code.
This is not the pymetawear package. That is a community developed Python SDK which you can find over here .
Install
Use pip to install the metawear package. It depends on pygattlib so ensure your Linux environment first has the necessary dependencies installed.
pip install metawear --process-dependency-links
Usage
Import the MetaWear class and libmetawear variable from the metawear module and everything from the cbindings module.
from mbientlab.metawear import MetaWear, libmetawear
from mbientlab.metawear.cbindings import *
If you do not know the MAC address of your device, use pygattlib to scan for nearby devices.
from gattlib import DiscoveryService
service = DiscoveryService("hci0")
devices = service.discover(2)
# grab the first scanned device
address = devices.items()[0][0]
Once you have the device’s MAC address, create a MetaWear object with the MAC address and connect to the device.
device = MetaWear(address)
status = device.connect()
Upon a successful connection, you can begin calling any of the functions from the C++ SDK, for example, blinking the LED green.
pattern= LedPattern(repeat_count= Const.LED_REPEAT_INDEFINITELY)
libmetawear.mbl_mw_led_load_preset_pattern(byref(pattern), LedPreset.BLINK)
libmetawear.mbl_mw_led_write_pattern(device.board, byref(pattern), LedColor.GREEN)
libmetawear.mbl_mw_led_play(device.board)
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