On Wed, 13 Nov 2019 at 17:29, Kristóf Horváth <horvath.kristof.attila@xxxxxxxxx> wrote: > > Hi, > > > There is test/test-profile and test/test-hfp in BlueZ source code. > With the test-profile code, I could register a service, and I could > discover it from another device. However, a connection couldn't build > up. The function NewConnection didn't call at all. (By the way, I > didn't find any line of code to receive the data, how is it possible?) Here is an example of receiving data with a Serial Port Profile: https://gist.github.com/ukBaz/217875c83c2535d22a16ba38fc8f2a91 Going back to your original question, you might find it easier to use a Python library like Blue Dot on your project as it presents a higher level interface: https://bluedot.readthedocs.io/en/latest/btcommapi.html Regards, Barry
