rfcomm Questions

2

I want to use any mobile phone to connect to a IoT device via Bluetooth Classic with the serial port protocol (SPP). The IoT device has no screen and no keyboard, and it's supposed to accept ...
Marismarisa asked 9/2, 2017 at 11:18

2

Solved

I'm trying to connect to a bluetooth device on embedded linux. BlueZ version is 4.101. Local bluetooth adapter is an USB Bluetooth dongle Trendnet TBW-107UB, for all tests. I can't provide det...
Glick asked 19/5, 2015 at 9:5

7

Solved

I don't understand what a bluetooth UUID denotes. Do UUIDs denote protocols (e.g. RFCOMM)? If so, why do the createRfcommSocketToServiceRecord() methods require UUIDs, when they specify rfcomm righ...
Mcloughlin asked 20/12, 2012 at 2:21

3

Solved

Here's the scenario: I need to write an application for Android to create a RFCOMM socket to a PC with a Bluetooth dongle (I'm going to write the server too). My requirement is that the user does...
Samuella asked 17/11, 2010 at 14:37

2

Is it possible to connect more than two bluetooth dongles(adapters) to the linux machine and use them for read/write/communication with other external bluetooth devices simultaneously? So that ther...
Giaour asked 13/10, 2018 at 10:33

1

We are about to release the new version of our software, and for the version afterward, our goal is to make the connection process for our Bluetooth SPP connections more reliable. We use the RN42 m...
Paraldehyde asked 26/4, 2018 at 15:49

4

Solved

I listen for a Bluetooth connection in my server doing: rfcomm listen rfcomm1 1 Then I connect with my Bluetooth client and this message appears: Connection from XX:XX:XX:XX:XX:XX to /dev/rfcom...
Uniocular asked 13/10, 2017 at 18:27

0

I have problem with connecting blutooth RfComm. I was able to connect to bluetooth and communicate but sometimes it doesn't connect. I am using standard uuid-00001101-0000-1000-8000-00805F9B34FB p...
Nombril asked 18/1, 2017 at 8:27

1

I'm trying to establish a serial connection between the PC (Linux 32bit) and an hardware device via Bluetooth. I've already tested the system using cutecom. It works. Baud 115200, /dev/rfcomm0 et...
Immodest asked 7/7, 2012 at 22:1

5

I want to create an Android application that is capable of receiving an audio stream. I thought of using the A2DP profile, but is seems as if Android doesn't support A2DP sink. Looks like there are...
Sepsis asked 21/3, 2013 at 20:56

3

Solved

I am looking to communicate via RFCOMM to another Bluetooth device. I want to use C++ (VS2008) for the application. I already know of the 32feet library, but was unsure if it would work for C++. Do...
Blackpoll asked 20/4, 2012 at 23:45

5

Solved

This problem has been solved! Thanks a lot to Brad, Denis and junkie! You're the heroes! :) This is the working code. It connects to Zeemote and reads data from it. ===== Code ===== public class Z...
Incompliant asked 18/4, 2010 at 3:9

8

Solved

I have an application which talks to a custom device through RFCOMM via Bluetooth. The communication code is based on BluetoothTalk sample project. It was running without any problem before on eith...
Capuchin asked 19/11, 2012 at 19:17

0

I have Windows Phone app, that controls a device by Bluetooth (Bluetooth App To Device). In WP8 it works good. This is code 1)searching all paired devices PeerFinder.AlternateIdentities["Bluetoo...
Causation asked 25/11, 2014 at 9:4

2

Solved

Some time ago, I've got a new single board computer running Debian which will eventually be the "heart" of a project at school. Right now, I'm accessing the on-board distro using wired network and...
Solidarity asked 1/4, 2012 at 19:52

3

I'm looking for a way to detect the disconnection of a Bluetooth device immediately after it has happened (2 second max), typically in a "device too far" scenario or Device battery is dead. Current...
Bhayani asked 5/3, 2014 at 14:19

2

Solved

This is very frustrating as I've been trying for weeks and not even a clue on the internet. I am working on a project that reads/writes bluetooth serial data on different farming hardware. most o...
Overt asked 7/4, 2011 at 5:4

2

I am developing an application for Android. This app should communicate with a Bluetooth (BT) device (sending some bytes). I have a problem with debugging/running this app on my device (Samsung Gal...
Titrate asked 13/3, 2013 at 8:12

2

Alright here's the deal. I got two Galaxy Nexus phones both with bluetooth enabled. I've written a bluetooth connection management app that I use for device discovery and connectivity. It also out...
Waistcloth asked 18/9, 2012 at 23:50

1

Solved

From what I've read from Bluetooth Essentials for Programmers, this books mentions some points that I dont quite understand. RFCOMM is a reliable stream-based protocol. L2CAP is a packet-based ...
Sievers asked 1/1, 2014 at 11:12

0

What I am Trying to do : Reading .wav file in C(linux) ,forwarding buffer data through bluetooth rfcomm socket , receiving buffer in android and then giving buffer to Audio Track to play.(Need andr...
Surety asked 28/6, 2013 at 10:22

1

I am trying to connect two unpaired android devices via Bluetooth for P2P networking purposes. MitM protection is not required. Android has the createInsecureRfcommSocketToServiceRecord and listenU...
Smitherman asked 11/2, 2013 at 0:30

1

I'm starting a project featuring a wireless MIDI connection over Bluetooth. As far as I know, there is no MIDI profile defined in the BT specification. I was wondering if some of you would be inte...
Bankhead asked 16/4, 2013 at 8:42

2

Solved

I've been having an issue with data integrity using an RFCOMM socket over Bluetooth in Android. I don't have any issues connecting, but the data I receive is garbled and not the same as the data th...
Allergist asked 18/8, 2010 at 5:19

2

I am trying to perform serial communication on between Ubuntu 12.04 and a JY-MCU bluetooth serial module connected to an Arduino. I have created this configuration in /etc/bluetooth/rfcomm.conf r...
Electrometer asked 17/3, 2013 at 18:25

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