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All Projects → pfalcon → Blutunode

pfalcon / Blutunode

Licence: gpl-3.0
Autonomous wireless sensor/actuator node using bluetooth modules based on CSR BlueCore chipset. See wiki for more info.

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BluTuNode - Wireless sensor/actuator node software for Bluetooth modules

This is experimental firmware for CSR BlueCore based Bluetooth modules allowing a host to control most of the I/O aspects of a module via wireless, Bluetooth connection, thus allowing for low-cost, flexible, easily accessible solutions for various remote control and automation tasks.

This software is released under the terms if GNU General Public License version 3, http://www.gnu.org/copyleft/gpl.html

Status

This application should be considered proof of concept and alpha stage. It did not undergo sufficient testing or was used in production setups. If you are intrested in this project, please consider testing it, reporting the issues, and trying to fix them.

Building

To build this software, you unfortunately need a propriatary XAP CPU toolchain and library from CSR. Prebuilt application files are provided for convenience. If you are interested in this project, please consider developing OpenSource toolchain for XAP/BleuCore.

Flashing

To flash this application into a BlueCore module, you need to combine it with CSR Bluetooth stack firmware. You can extract such firmware from your module or download it from CSR. This project cannot distribute stack firmware or combined firmware image due to licensing restrictions. If you are interested in this project, please consider developing OpenSource tools to read/write module flash and combine firmware images.

Usage

Once module is programmed and powered on, on the host, as root:

  1. Pair the module with your host - use whatever utilities you have and know.

  2. Find out the Bluetooth address of the module:

hcitool scan

Scanning ... xx:xx:xx:xx:xx:xx linvor

"linvor" is common name in lowe-cost HC-04 modules, your module may have another default name.

  1. Create RFCOMM devic to communicated with the module:

rfcomm bind /dev/rfcomm0 xx:xx:xx:xx:xx:xx

  1. Connect to the BluTuNode software on the module:

picocom -b 115200 /dev/rfcomm

There may be delay few seconds before "Terminal ready". Immediately after connection, BluTuNode prints GPL notice.

  1. At this point, BluTuNode is ready to accept commands, which by common convention start with "AT" prefix (case is not important).

  2. List and format of support commands can be found in file command_parse.parse

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