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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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Bluetooth SPP: Bluetooth SPP Pro (Android) vs. Microchip SmartData (iOS)

All, I am attempting to communicate, over an SPP profile, with an RN4678 Bluetooth chip connected to a microcontroller. I never have a problem with the Android app. I can always pair (if not paired), connect, send messages to the chip, and…
vpappano
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Android bluetooth a2dp and spp in same time is possible? Aka Audio and data in same time

Hello i use bk8000l chip which according with specifications support spp and a2dp in same time. I need to find/build an app that is sendind some spp commands and also voice from phone mic. Is a ptt (push-to-talk). The data is necessary to be…
ilie321
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How to connect to multiple bluetooth sensors to a device

I have multiple bluetooth sensors (20+) that I need to connect to whatever central device(PC, Phone, ...) via Bluetooth to collect the transmitted data. I need to keep the connections active with the sensors because it is broadcasting data 20…
kbonnelly
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How to show bluetooth connected icon in Android when connected via RFCOMM socket

I'm building an android app that connects to another android app via bluetooth, using the serial port profile (SPP, UUID=00001101-0000-1000-8000-00805F9B34FB). I'm able to successfully connect from the client (via a BluetoothSocket using…
BitBot
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Android Bluetooth SPP connections problems

I'am trying to write an app that communicates over Bluetooth SPP using an "Brainbox BL-819" adapter. (http://www.brainboxes.com/product/bl-819/bluetooth-to-rs232-serial-adapter-1-port-male) I've tried to get the adapter to work on different devices.…
TheNetStriker
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Can not open SPP in android studio

I am new to Android Studio and Ubuntu. I downloaded SPP App from GitHub, and when I tried to open it in Android Studio, I found that the file is not listed in the folder chooser in Android Studio. When I checked the folder containing that file on…
Amrmsmb
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How to stream audio from android device to a speaker via bluetooth that only supports SPP Profile?

Is it possible to stream an audio via bluetooth using SPP(Serial Port Profile)? Most of what I read, audio streaming is only possible via A2DP. And the problem is my audio output device only supports SPP.
Frozenpotato
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Bluetooth SPP throughput

I am trying to figure out what the maximum throughput of a Bluetooth 2.1 SPP connection is. I found 2 publications concerned with the topic (1, 2) and they both show diagrams, which show the throughput as a function of the Signal to noise ratio…
PeterErnsthaft
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How to programmatically check if an Android device supports Bluetooth SPP profile?

I could not find any standard API in Android to check for SPP profile support. Is there any way (direct or indirect) by which one can determine this programmatically? One indirect method that I could think of was to use …
Thinkisto
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Save Bytes from Seral Transfer to String

I have the following code and i'm trying to save the received bytes to a String until i receive \n. byte[] buffer = new byte[1024]; int bytes; String ReceivedMessage = null; while (true) { …
Iosif Bancioiu
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Virtual serial port over BLE + ios?

AFAIK iOS 7 supports BLE but it does not support SPP. Any chance to have virtual serial port on iOS just like it's UART to send bytes to BLE module and receive bytes from BLE module? I've purchased cc2540 and cc2541 TI's ble modules, will they work…
4ntoine
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Bluetooth Packets Get Lost While Doing Some Other Calculations

I have my Android device and WT-12 bluetooth module communicating over RFCOMM. My data rate is about ~180kbps roughly. I don't have any problem in my data if I only get the data and don't process it online. However, when I try to use a counter to d…
ilhan3
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Bluetooth connection between Universal app and medical device - UUID and CODFilter

I'm implementing an Universal app on both Windows 8.1 and Windows Phone 8.1 platforms, which should connect with devices like scale or blood pressure monitor by bluetooth technology. Unfortunatelly, I have difficulty in the discovering process and…
damian131
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Open a socket connection to bluetooth device without a virtual COM port

I am using the 32feet bluetooth library to connect to a device that supports Serial Port Profile (SPP). I try to connect like this: using (BluetoothClient client = new BluetoothClient()) { var address = new…
Greg Ferreri
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Android service to get data from Bluetooth

I have an Android service that starts at boot, and I want to get events from an external device using bluetooth. I wrote a sample activity that connects to the device via bluetooth using spp and eveything works ok. I now want to integrate this code…
roeiki11
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