Questions tagged [spp]

Serial Port Profile (SPP) defines how to set up virtual serial ports and connect two Bluetooth enabled devices

Serial Port Profile (SPP) is a Bluetooth mode where the connected devices communicate via virtual serial ports.

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How to display received data bytes via Bluetooth properly?

I have a problem with receiving data via BT, sent from SPP BT module. When I'm sending bytes from terminal i got non-sense characters - for example "[B@420e98d8". There is a part of the code from handler responsible for data receive: …
Juras
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IOS bluetooth serial connection to a remote PC/MAC

I have read about several questions about similar issue. But most of them are related with 3rd party bluetooth device connections. What I need is, to establish a bluetooth serial connection between IOS and a server applet which is waiting for a…
icould
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How to connect hardware device to an Iphone application over Bluetooth

I have a hardware device which would communicate with a third party application on Android and IOS over Bluetooth to send to and fro data. With Android I am able to achieve this, however in case of IOS I don't have any information. Till now the…
Daemon
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How to develop app for iOS that communicate with devices that support Serial Port Profile via classic Bluetooth

I want to develop app for iOS that communicate with devices that support Serial Port Profile via classic Bluetooth. But I cannot find documents for SPP. I know, a few things about that. If a vender X sells the some hardware that support SPP, then I…
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read() complete data on SPP using thread

I have a third party Android application which connects to my target using Bluetooth SPP. Application sends JSON data, but number of data bytes sent are not known, also data received at my target is inconsistent (sometimes in chunks), there are no…
Daemon
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Unable to read from /dev/rfcomm

I am trying to connect my target to mobile device through blue-tooth SPP profile. Once bluetooth connection is up, request is made to create rfcomm channel to communicate. output of ls -all /dev/rfcomm0 crw-rw-rw- 1 root dialout 216, 0…
Daemon
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java - creating new thread to randomly send data to printwriter

I'm messing arount with Bluetooth SPP. I'm using SimpleSPPClient from this thread and i'm using blk wd bc 04b demo board which is configured to just send back anything that is sent to it. I'd like to create new thread which would take PrintWriter as…
Sysel
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Is there a way to change bluetooth module's baud rate via Bluetooth connection with Android device?

I would like to change a default baud rate of the bluetooth module. I am having an IR receiver which works on baud rate 2400 and it is connected directly to bluetooth module. I want the flow to be IR receiver->Bluetooth module->Android device. To…
Ondrej Tokar
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C code to Read data from nonin Pulse Oximeter device via bluetooth Serial Port profile in linux

I am trying to communicate to the Nonin Pulse oximeter device to read the data (Pulse rate and SPO2 level) via Bluetooth. Nonin device supports SPP and HDP profile. I want to communicate through SPP profile. I am able to scan and pair with the…
Jyothi
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Android Bluetooth SPP - How to stop transmitting the internal send buffer ?

I am trying to control/operate a motor from an android phone in "as close as possible" realtime using the Android SPP Bluetooth socket interface. The motor ought to run in a so called 'dead man' operation mode. So the motor will only turn if a…
Peter
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Connect iOS device to Bluetooth device with SPP

I'm working on one watch which shows iOS device notification like.. Display Installed app notification Display Call notification Display Message notification.. etc I have read some articles and came to know about GATT and ANCS, and this two itself…
RayofHope
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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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Bluetooth spp, if statement inside handler not working

I am using the bluetooth chat example and i have the following problem.. When i add an if statement inside handler it always return false.. case MESSAGE_READ: byte[] readBuf = (byte[]) msg.obj; String…
Larry
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SPP on Bluedroid

I wanted to see if anyone has attempted to implement SPP on Bluedroid. After looking at the stack source you can see clearly that the SPP_INCLUDED flag is false and there is no source for SPP in the directory that contains it. I have a device that…
Lloyd
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Bluetooth -> Winapi/32feet. Two connection from Pc to one device using Spp

It`s possible to establish two connections( or more) between Pc and other device? When I try to do that I have got exception: 10048 -> ex.Message = "A connect request was made on an already connected socket…
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