The MIT License (MIT) Copyright (c) 2012-2015 Dr. Michael Kroll
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This repository contains the eagle design files as well as the firmware source code and precompiled hex files. Moreover I added the Arduino Sketches from my blog to this repository.
The Latest version of the BLE-Shield is v3.0.0 as illustrated in the image below.
The new BLE-Shield supports some new services and haracteristics. The RX and TX characteristics are not combined into one indicating Data characteristic Moreover the Bluegiga OTA Service is supported enabling you to update the BLE-Shield over the air using e.g. the iOS App BLExplr.
This characteristic is read only and used to retrieve the Bluetooth Device Address of the BLE113-M256k module.
This characteristic is read and write and used to set the BLE-Shields baudrate. The default baudrate is 9600 baud It is a one byte characteristic. The following baudrates are suported and can be set using the following byte set to the characteristic:
| Baudrate | Configuration Byte |
|---|---|
| 9600 | 0x00 |
| 14400 | 0x01 |
| 19200 | 0x02 |
| 28800 | 0x03 |
| 38400 | 0x04 |
| 57600 | 0x05 |
| 115200 | 0x06 |
This characteristic is used to control the connection LED on the BLE-Shield. The LED is per default off. In order to change it's behavior write e.g. 0xff the the characteristic to make it lit on the next connection.
| LED State | Configuration Byte |
|---|---|
| OFF | 0x00 |
| ON | 0xff |
The new BLE-Shield v3.0.0 uses a Data characteristic to send and receive data. In order to support this the characteristic is a write and indicate characteristic. On BLExplr it is no longer necessary to switch between RX and TX characteristics. You can stay on the same screen to see data which is recevied while you are transmitting data.
This is the implementation of Bluegiga's OTA Service to update the firmware over the air.
Bluegiga OTA Control Characteristic
Bluegiga OTA Data Characteristic
- The Eagle design files are created using Eagle v5.11.0 - v7.1 depending on the version of the BLE-Shield. BLE-Shield v3.0.0 was designed with Eagle v7.1.0
- The Firmware v1.0.0 and v1.0.1 for the BLE112 module on the BLE-Shield was created and compiled for the Bluegiga BLE112 SDK v1.0.3 Build 43
- The Firmware v3.0.0 was developed using Bluegiga's BLE SDK v1.3.2 Build 122.
- The Arduino Sketches have been tested with Arduino 1.0.1
- the Arduino Sketched vor BLE-Shield v3.0.0 has been tested with Arduino v1.0.6 on OSX
- The .NETMF Sample has been tested with Microsoft Visual C# Express 2010, .NET Micro Framework SDK v4.2 and the Netduino SDK v4.2.2.0 (32-bit) running on a NetDuino2
The latest addition to this repository is .NETMF support. With a little help of Thomas Amberg @tamberg I added a sample project for the NetDuino2 board available at http://www.netduino.com which shows how use the BLE-Shield with this platform.
The iPhone App was part of the BLE-Shield Kickstarter campaign https://www.kickstarter.com/projects/rowdyrobot/arduino-ble-shield-connecting-the-ios-and-the-ardu and only supports the BLE-Shield v1.0.0 The BLE-Shield app provides access to the BLE-Shield Service and their characteristics. It's user interface is implemented like a chat application. The chart partners are the BLE-Shield and the iPhone, illustrated by small icons.
Once the BLE-Shield is connected, the application will automatically enable notifications on the RX characteristic. So whenever the BLE-Shield's 16 byte buffer is filled completely, the buffer will be notified to the iPhone.
The app was developed using Xcode 4.5.2, iOS6 SDK and tested on an iPhone4S and iPhone5 running iOS6.0.1
Screenshots
- BLEUtils taken from the TI SensorTag App, created by Ole Andreas Torvmark
- MBProgressHUD created by Matej Bukovinski https://github.com/matej/MBProgressHUD
- PTSMessagingCell created by Ralph Grasser https://github.com/ppanopticon/PTSMessagingCell/
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