Radio frequency communication - the Bluetooth protocol. RFCOMM is a serial port emulation over Bluetooth. It provides a simple reliable data stream over Bluetooth, similar to RS232/TCP.
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Questions tagged [rfcomm]
282 questions
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Understanding bluetooth rfcoom raw data
I'm trying to build an application that reads information sent on a bluetooth service using rfcomm.
The device is an hardness tester (HT-6510A), unfortunalty specs about the device data format can't be found I'm faced with a strange problem, I've…
Pievis
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Is it possible to fuzz the RFCOMM protocol for bluetooth on Android?
I'm trying to look in to whether or not it is possible to fuzz the RFCOMM protocol for bluetooth on android.
Any help is appreciated.
Thanks.
Rockyxz
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Send AT-command through bluetooth with python
I try to send AT commands from my computer (ubuntu 13.04) to my phone (Android 5.1) via bluetooth. I want to read the SMS.
I retrieve the MAC address of my phone with :
hcitool scan
I browse all available services on the device with :
sdptool…
Damien
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Creating a Bluetooth COM Port on Windows Programmatically
I have developed a Qt application that communicates with a specific bluetooth device. The application works on linux, android and mac flawlessly, but the qbluetooth api is not supported on windows. I have selected the serial api as a workaround, and…
arashka
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bluetooth rfcomm dies after reading first chunk
Hello I am trying to read data from a Sensor (Sensaris Sensopod) over bluetooth and I face the below problem:
After lot of tries I managed to connect using:
hciconfig hci0 sspmode 1
sdptool add SP
rfcomm connect /dev/rfcomm0 xx:xx:xx:xx:xx:xx 1…
Stefanos Chrs
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Problems with RFCOMM connection to device
Everybody writes, that this method is possible:
…
yzavyalo
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How to get bluetooth serial port status under linux?
Getting status of serial ports (ttyS*) via linux terminal is simple:
sudo cat /proc/tty/driver/serial
Then it shows serinfo with list of all uarts with info about status and buffers. When I call
sudo cat /proc/tty/drivers
then I can see that…
Jakub Rakus
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RFCOMM multiple connections for channel
I am implementing Bluetooth server, which supports multiple clients. I am using RFCOMM protocol. Is it possible to connect many clients for the same RFCOMM channel?
Server code for(C++):
int client;
std::list pool;
boost::thread…
exbluesbreaker
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RFCOMM Before Android 2.0?
I have several apps which I wrote using the standard SDK. They all connect to RFCOMM devices using bluetooth, so at present, I can only support devices which are 2.0 or newer.
What options are available for backporting a bluetooth app to pre-2.0…
Brad Hein
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2 answers
Arduino RF Data Transmission
I have 3 ultrasonic sensor connected to 1 Arduino Uno device. I want to send their data to another Arduino Uno with RF transmitter. I want to send the sensor's id number (1,2,3) and the data (0 or 1).
I want to transmit the data from printDistance…
na7abay
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1 answer
Threads, atomic boolean, synchronized design considerations for a method that has to wait for a result
My code is starting to get a bit hard to debug which leads me to believe that my design choices are not ideal. I am a novice Android programming and would love some help with streamlining the design for optimum operation.
Intro
I am writing an…
Brandon Fannin
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1 answer
Can only retrieve all Services when trying to get Paired Bluetooth Devices
I am writing a Windows/Windows Phone 8.1 Bluetooth App with SPP where the end user needs to select the paired Bluetooth device to use.
Problem #1:
I am having trouble trying to get just the paired Bluetooth devices that are paired to my device. I…
Bluto
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2 answers
Is it possible to make insecure connection between android bluetooth and laptop bluetooth device?
I am trying to connect android device with laptop or desktop which contains Bluetooth via Bluetooth socket connection.
I have created one android application (Client) which tries to connect laptop Bluetooth device where java application (Server) is…
Pankaj Shinde
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Connect to A&D UA-767PBT blood pressure
I need to take measurements from an A&D Medical UA-767PBT (without the ending "C") to a simple android app.
The UA-767PBT uses SDP and SPP to communicate with an access point (my android tablet). I have the service name, cod filter and pin.
I've…
user261591
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Workflow of RFComm communication in windows store apps
I've been strugling to make this work without success.
I have a third part device which will be controlled by my Windows Store app through bluetooth. The problem is the async await nature of the communication methods.
The app will first start a…
Ralph
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