Solved it.
I'm not sure if its a bug or not, however ESP32 BT controller will not allow to open 2XACL & 2XSCO(HV3) channels. However it will allow to open the SCO channels when EV3 or EV5 packets are selected.
Search found 2 matches
- Tue Nov 05, 2019 6:52 am
- Forum: Report Bugs
- Topic: [BT] Can't open more than one SCO.
- Replies: 2
- Views: 10511
- Wed Oct 30, 2019 2:11 pm
- Forum: Report Bugs
- Topic: [BT] Can't open more than one SCO.
- Replies: 2
- Views: 10511
[BT] Can't open more than one SCO.
Hi, I'm using the ESP32 WROOM 32D module, using it to connect two devices over Bluetooth. When I have ACL connection to both of them, I try to open SCO connection. And I can only open one. When trying to open the second one, the controller will respond with HCI ERROR: 0x0A (Max Number Of SCO Connect...