Hello,
We are using STM32 and Bluetopia Stack 4.0.2.1 for our application. We are using BLE + HFP (Unassisted) and it works
fine. We want to do autoconnection of the HFP device to the Smart phone.
Our detail Code implementation is like,
-> Power On Device
-> Initialize the Stack
-> Make Device Connectable , Discoverable and Simple Secure Pairable.
-> We call the api HFRE_Open_HandsFree_Server_Port and on success of that we add the sdp record on the same port number(1)
using HFRE_Register_HandsFree_SDP_Record.
-> We paired the device using smartphone and store that link key and BD Addr Information in the Flash Memory. This Pairing
Information we provide on every restart.Whenever Smartphone gives connection request it connects successfully.
To do Autoconnection we follow these steps.
-> Power On Device
-> Initialize the Stack
-> Make Device Connectable , Discoverable and Simple Secure Pairable
-> We call the api HFRE_Open_HandsFree_Server_Port and on success of that we add the sdp record on the same port number(1)
using HFRE_Register_HandsFree_SDP_Record.
-> Our Smartphone BD Addr and Link key is with us so we call the api HFRE_Open_Remote_Audio_Gateway_Port with the
Smart Phone BD Addr . In this we have two cases
Case 1:
If we use the Port ID : 1 then it gives the etHFRE_Open_Port_Confirmation event with the Port Status Error 2.
Case 2:
We dont know that which port id we require to use. We have tried with the Port ID 2 then it gives etHFRE_Open_Port_Confirmation
Event with the Port Status 0 . After around 30 Seconds It gives us Close Port Indication event.
Please let us know what is wrong with our steps, and what we required to do after this confirmation event to make the connection live?
Regards
Rutvik Fadia
