nrf528xx: improve debug loggin with the bledebug build tag

It prints for a number of cases that weren't logged before, which is
useful while debugging.

Author: aykevl

adapter_nrf528xx-full.go

@@ -43,6 +43,10 @@ func handleEvent() {
 				connectionAttempt.connectionHandle = gapEvent.conn_handle
 				connectionAttempt.state.Set(2) // connection was successful
 				DefaultAdapter.connectHandler(device, true)
+			default:
+				if debug {
+					println("evt: connected in unknown role")
+				}
 			}
 		case C.BLE_GAP_EVT_DISCONNECTED:
 			if debug {
@@ -105,15 +109,27 @@ func handleEvent() {
 			// > will be rejected
 			C.sd_ble_gap_conn_param_update(gapEvent.conn_handle, nil)
 		case C.BLE_GAP_EVT_DATA_LENGTH_UPDATE_REQUEST:
+			if debug {
+				println("evt: gap data length update request")
+			}
 			// We need to respond with sd_ble_gap_data_length_update. Setting
 			// both parameters to nil will make sure we send the default values.
 			C.sd_ble_gap_data_length_update(gapEvent.conn_handle, nil, nil)
 		case C.BLE_GAP_EVT_DATA_LENGTH_UPDATE:
+			if debug {
+				println("evt: gap data length updated")
+			}
 			// ignore confirmation of data length successfully updated
 		case C.BLE_GAP_EVT_PHY_UPDATE_REQUEST:
+			if debug {
+				println("evt: gap phy update request")
+			}
 			// Tell the Bluetooth stack to update the PHY as it sees fit.
 			C.sd_ble_gap_phy_update(gapEvent.conn_handle, &phyUpdateResponse)
 		case C.BLE_GAP_EVT_PHY_UPDATE:
+			if debug {
+				println("evt: gap phy update")
+			}
 			// ignore confirmation of phy successfully updated
 		case C.BLE_GAP_EVT_TIMEOUT:
 			timeoutEvt := gapEvent.params.unionfield_timeout()
@@ -254,7 +270,13 @@ func handleEvent() {
 						break
 					}
 				}
+			default:
+				if debug {
+					println("evt: unknown HVX")
+				}
 			}
+		case C.BLE_GATTC_EVT_WRITE_CMD_TX_COMPLETE:
+			// not handled at the moment
 		default:
 			if debug {
 				println("unknown GATTC event:", id, id-C.BLE_GATTC_EVT_BASE)