text: //
  // btstack_config.h for libusb port
  //
  
  #ifndef __BTSTACK_CONFIG
  #define __BTSTACK_CONFIG
  
  // Port related features
  #define HAVE_MALLOC
  #define HAVE_POSIX_FILE_IO
  #define HAVE_BTSTACK_STDIN
  #define HAVE_POSIX_TIME
  
  // BTstack features that can be enabled
  #define ENABLE_BLE
  #define ENABLE_CLASSIC
  #define ENABLE_HFP_WIDE_BAND_SPEECH
  #define ENABLE_LE_CENTRAL
  #define ENABLE_LE_PERIPHERAL
  #define ENABLE_LE_SECURE_CONNECTIONS
  #define ENABLE_LE_DATA_CHANNELS
  #define ENABLE_MICRO_ECC_FOR_LE_SECURE_CONNECTIONS
  #define ENABLE_LE_DATA_LENGTH_EXTENSION
  #define ENABLE_ATT_DELAYED_RESPONSE
  #define ENABLE_LOG_ERROR
  #define ENABLE_LOG_INFO 
  #define ENABLE_SCO_OVER_HCI
  #define ENABLE_SDP_DES_DUMP
  
  #define ENABLE_L2CAP_ENHANCED_RETRANSMISSION_MODE
  
  // BTstack configuration. buffers, sizes, ...
  #define HCI_ACL_PAYLOAD_SIZE (1691 + 4)
  #define HCI_INCOMING_PRE_BUFFER_SIZE 14 // sizeof BNEP header, avoid memcpy
  
  #endif
  