This updates the minimal supported version of CMake to 3.16, which in turn enables us to use more CMake features and have a cleaner build system.
This is the version that provides most new features and also the one we use in our latest docker image for CI.
1. Use bt_app_gap_init function
2. Add Security Simple Pair doc
3. Update README
Update SPP demo
1. Add input module for bt_spp_initiator demo to show the security simple pair features
2. Update README of bt_spp_acceptor and bt_spp_initiator demo.
Format comment in esp_a2dp_api.h
Format comment in esp_avrc_api.h
Format comment in esp_spp_api.h
Fix bt_discovery build err
Update HFP API guide error
Remove BTA_AV_DEBUG
Remove Trailing Whitespace & End of Files
The existing Bluetooth examples are split as:
1. examples/bluetooth/bluedroid - Bluedroid Host (BT + BLE) examples
a. examples/bluetooth/bluedroid/classic_bt - Classic BT examples
b. examples/bluetooth/bluedroid/ble - BLE examples
c. examples/bluetooth/bluedroid/coex - Classic BT and BLE coex examples
d. examples/bluetooth/bluedroid/hci - VHCI and HCI UART examples
i. Rename ble_adv to controller_vhci_ble_adv and move it in hci folder
2. examples/bluetooth/nimble - NimBLE BLE Host + NimBLE Mesh examples
3. examples/bluetooth/esp_ble_mesh - ESP BLE Mesh examples
4. Update documentation references
