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https://github.com/arduino/nicla-sense-me-fw
Arduino Nicla Sense ME resources (libraries, bootloader, host pc utilities)
https://github.com/arduino/nicla-sense-me-fw
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Arduino Nicla Sense ME resources (libraries, bootloader, host pc utilities)
- Host: GitHub
- URL: https://github.com/arduino/nicla-sense-me-fw
- Owner: arduino
- License: agpl-3.0
- Created: 2020-11-12T13:45:03.000Z (about 4 years ago)
- Default Branch: main
- Last Pushed: 2024-12-13T11:08:38.000Z (13 days ago)
- Last Synced: 2024-12-13T11:30:38.885Z (13 days ago)
- Topics: arduino
- Language: C
- Homepage:
- Size: 10.1 MB
- Stars: 49
- Watchers: 18
- Forks: 27
- Open Issues: 30
-
Metadata Files:
- Readme: README.md
- License: LICENSE.txt
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README
# Nicla
[](https://github.com/arduino/nicla-sense-me-fw/actions/workflows/check-arduino.yml)
[](https://github.com/arduino/nicla-sense-me-fw/actions/workflows/compile-examples.yml)
[](https://github.com/arduino/nicla-sense-me-fw/actions/workflows/check-license.yml)
[](https://github.com/arduino/nicla-sense-me-fw/actions/workflows/spell-check-task.yml)
[](https://github.com/arduino/nicla-sense-me-fw/actions/workflows/sync-labels.yml)
This repo contains everything needed to program Nicla Sense ME and to control it from another device. Further documentation can be found on the [Arduino Docs website](https://docs.arduino.cc/hardware/nicla-sense-me).
Nicla Sense ME belongs to Arduino Mbed OS boards and its core is available [here](https://github.com/arduino/ArduinoCore-mbed).
The packaged core can also be downloaded from Arduino IDE as 'Arduino Mbed OS Nicla Boards'
Table of Contents:
- [Nicla](#nicla)
- [Repo structure](#repo-structure)
- [Main use cases](#main-use-cases)
- [Nicla standalone mode](#nicla-standalone-mode)
- [Control Nicla from an arduino board through ESLOV](#control-nicla-from-an-arduino-board-through-eslov)
- [Control Nicla from a PC - web server](#control-nicla-from-a-pc---web-server)
- [Control Nicla from a PC - command line tool](#control-nicla-from-a-pc---command-line-tool)
- [Update Nicla firmware](#update-nicla-firmware)
- [Update procedure through BLE:](#update-procedure-through-ble)
- [Update procedure through ESLOV:](#update-procedure-through-eslov)
## Repo structure
------------
[Arduino_BHY2](Arduino_BHY2) - is the library to be included when making sketches for Nicla. It can be used for configuring bhi's sensors and for retrieving bhi's sensors data either from a sketch running on Nicla (standalone mode) or from an external device (through ESLOV or BLE).
In [examples](Arduino_BHY2/examples) there are already working examples for both scenarios:
- Standalone mode - [Standalone](Arduino_BHY2/examples/Standalone/Standalone.ino) exploits bhi's sensors directly from Nicla.
- Control from external device mode - [App](Arduino_BHY2/examples/App/App.ino) waits for external stimuli, coming from ESLOV or BLE channels.
- Upload a Fail Safe Firmware - [Fail_Safe_flasher](Arduino_BHY2/examples/Fail_Safe_flasher/Fail_Safe_flasher.ino) uploads a binary to Anna's QSPIFlash. Pressing the button 3 times, Nicla checks if a Fail Safe firmware is present and, if it is valid, runs it.
------------
[Arduino_BHY2Host](Arduino_BHY2Host) - is the library that an Arduino board should include in order to control the Nicla through the ESLOV port.
It can also act as a passthrough, to allow the control of Nicla from a PC.
There is an example for both these use cases in [examples](Arduino_BHY2Host/examples):
- Act as passthrough - [Passthrough](Arduino_BHY2Host/examples/Passthrough/Passthrough.ino)
- Control Nicla sensors directly - [Accelerometer](Arduino_BHY2Host/examples/Accelerometer/Accelerometer.ino), [Orientation](Arduino_BHY2Host/examples/Orientation/Orientation.ino), [Temperature](Arduino_BHY2Host/examples/Temperature/Temperature.ino)
------------
[bootloader](bootloader) - contains the source code for Nicla's bootloader.
------------
[tools](tools/bhy-controller) - contains the source code of the command line tool to control Nicla from a PC.
There is also a webserver mode that allows to control Nicla from a browser on your PC.
The `bhy-controller` executable files for the main operating systems can be downloaded from the [latest release](https://github.com/arduino/nicla-sense-me-fw/releases/latest#:~:text=Assets).
------------
## Main use cases
### Nicla standalone mode
In this use case, Nicla will be able to control its own sensors without the need for an external host.
- Make a standalone sketch importing [Arduino_BHY2](Arduino_BHY2) library, follow this [example](Arduino_BHY2/examples/Standalone/Standalone.ino) to write the code.
- Select Nicla Sense ME as the compilation target, then compile and upload.
### Control Nicla from an arduino board through ESLOV
- Upload the [App](Arduino_BHY2/examples/App/App.ino) example to Nicla.
- Use an Arduino board, like a MKR, acting as a host by importing [Arduino_BHY2Host](Arduino_BHY2Host) and following the [example](Arduino_BHY2Host/examples/Accelerometer/Accelerometer.ino).
- Upload the host sketch to the Arduino MKR board.
- Connect Nicla to the MKR board with an ESLOV cable or I2C pins.
### Control Nicla from a PC - web server
A local web server has been implemented to manage Nicla from a browser. See [browser compatibility](https://developer.mozilla.org/en-US/docs/Web/API/Web_Bluetooth_API#browser_compatibility).
BLE is used instead of ESLOV, thus there is no need for an intermediary arduino board.
- Upload the [App](Arduino_BHY2/examples/App/App.ino) example to Nicla.
- Access the command line tool folder.
- Execute the following command `./bhy webserver` to start the local web server.
- Open the `http://localhost:8000/index.html` web page with a browser listed in the compatibility list.
NB: make sure that WebBLE is enabled! If it is not, enable it from chrome://flags, setting "Experimental Web Platform features".
There are two web pages
- `sensor.html` allows to configure the sensors and read their values in real time.
- `dfu.html` allows to update the firmware of either Nicla or bhi.
### Control Nicla from a PC - command line tool
The command line tool can be used to update the firmware of Nicla or bhi, manage Nicla's sensors and read their values in real time. Refer to [tools](tools/bhy-controller) for the list of available commands.
Here the ESLOV protocol is employed, so an arduino board is needed between Nicla and the PC.
- Upload the [App](Arduino_BHY2/examples/App/App.ino) example to Nicla.
- Upload the [Passthrough](Arduino_BHY2Host/examples/Passthrough/Passthrough.ino) example to an arduino board.
- Connect the arduino board to your PC via USB.
- Connect the arduino board to Nicla through the ESLOV port.
- Access the command line tool folder
- Refer to [tools](tools/bhy-controller) for the list of available commands.
### Update Nicla firmware
The procedure to update the firmware is the same for both bhi and Nicla. You just need to specify the target during the procedure.
#### Update procedure through BLE:
- Follow these steps [Control Nicla from a PC - web server](#control-nicla-from-a-pc---web-server).
- Select _**DFU**_ in the page located at `http://localhost:8000/index.html` - or directly go to `http://localhost:8000/dfu.html`.
- Select the target (bhi or nicla).
- Select the .bin firmware file.
- Click on update and wait for the transfer to complete.
Then, Nicla will reset and the firmware will be updated.
#### Update procedure through ESLOV:
- Follow [Control Nicla from a PC - command line tool](#control-nicla-from-a-pc---command-line-tool)
- Execute the command `./bhy dfu -p YOUR_PORT -t TARGET -bin BIN_FILE`
* Replace `YOUR_PORT` with the serial port used by the arduino board
* Replace `TARGET` with `nicla` or `bhi`
* Replace `BIN_FILE` with the path of the binary file to be uploaded
- Nicla will reset and the firmware will be updated