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Bluetooth

12 Days of Bluetooth – #8 Bluetooth Low Energy in Code

Following on from the last post, which covered the technology of Bluetooth Low Energy, this post will look at how to use it from code using InTheHand.BluetoothLE. We’re going to look at an example using a simple but widely used service – Battery Service. You can probably guess what it is used for. Step One […]

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Bluetooth

12 Days of Bluetooth – #7 Bluetooth Low Energy

In 2011, Bluetooth 4.0 was introduced and contained the biggest update to the standard yet. It introduced a whole new way of talking to Bluetooth devices which allowed them to use considerably less power. Bluetooth Low Energy works entirely separately from Bluetooth Classic but the two can coexist. For example most mobile phones will support […]

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Bluetooth

12 Days of Bluetooth – #6 Bluetooth Classic on iOS

Today we take a quick detour to look at something specific to Apple devices. You Can’t Handle The API! iOS has always been the most “locked-down” mobile platform and one of its restrictions has been a lack of support for developers to work with Bluetooth Classic devices. “But wait, 32feet.NET has support for Bluetooth Classic […]

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Bluetooth

12 Days of Bluetooth – #5 Coding Bluetooth Classic

All the previous posts in this series have talked about Bluetooth technology, in this post we will look at a practical example (using .NET of course!). 32feet.NET From the initial release of the .NET Compact Framework, Microsoft included a library to work with IrDA. This used an API similar to TcpClient and TcpListener but also […]

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Bluetooth

12 Days of Bluetooth – #4 Serial Port Profile

Today we are delving into the details of a basic and widely used service. We may well come back and revisit the lower layers, but this topic will look at something you are likely to use when doing Bluetooth Classic (not Low Energy) development. Cutting the Cable One of the early aims for Bluetooth was […]

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Bluetooth

12 Days of Bluetooth – #3 Protocols, Profiles and Services

In this entry we look into the architecture of Bluetooth a little more. Stack to Basics The Bluetooth protocol stack consists of separate layers from the physical radio up to the high level services which enable various uses from headsets to printers and beyond. The lower levels happen below the Host Controller Interface which is […]

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Bluetooth

12 Days of Bluetooth – #2 Discovery

Continuing the series, today’s post looks at how we discover and identify Bluetooth devices. I’m Not a Number Every Bluetooth device has a unique numerical address baked into the hardware – like a MAC address for a network adaptor. It is 48 bits long and is often displayed in hexadecimal form, usually with colon separators […]

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Bluetooth

12 Days of Bluetooth – #1 Introduction

I thought I would set myself the challenge of blogging about Bluetooth between now and Twelfth Night. I’m going to look at 12 topics covering the technology, the various services and capabilities as well as, of course, referencing how 32feet can help you use the technology. What’s in a Name? We probably all know the […]

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Uncategorized

Thy Phone for Windows 11

In the recent Windows 11 22H2 release Microsoft deprecated a number of APIs used for making phone calls. Previously Thy Phone had used these because they presented a standard Windows dialog for call handling (incoming and outgoing) and the experience was consistent with Your Phone / Phone Link. The reason for removing these was given […]

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Bluetooth

New 32feet.NET Documentation

I managed to complete one of those jobs I’d been meaning to get around to for sometime and to celebrate getting the to-do list down to triple figures I thought I’d share the good news! Many years ago I built the documentation for 32feet.NET combined with the other libraries I had at the time:- Pontoon […]