micropython/extmod/btstack/btstack_config_common.h

#ifndef MICROPY_INCLUDED_EXTMOD_BTSTACK_BTSTACK_CONFIG_COMMON_H
#define MICROPY_INCLUDED_EXTMOD_BTSTACK_BTSTACK_CONFIG_COMMON_H

// BTstack features that can be enabled
#define ENABLE_BLE
#define ENABLE_LE_PERIPHERAL
#define ENABLE_LE_CENTRAL
// #define ENABLE_CLASSIC
#define ENABLE_L2CAP_LE_CREDIT_BASED_FLOW_CONTROL_MODE
#define ENABLE_PRINTF_HEXDUMP
// #define ENABLE_LOG_INFO
// #define ENABLE_LOG_DEBUG
#define ENABLE_LOG_ERROR

// BTstack configuration. buffers, sizes, ...
#define HCI_ACL_PAYLOAD_SIZE 1021
#define MAX_NR_GATT_CLIENTS 1
#define MAX_NR_HCI_CONNECTIONS 1
#define MAX_NR_L2CAP_SERVICES  3
#define MAX_NR_L2CAP_CHANNELS  3
#define MAX_NR_RFCOMM_MULTIPLEXERS 1
#define MAX_NR_RFCOMM_SERVICES 1
#define MAX_NR_RFCOMM_CHANNELS 1
#define MAX_NR_BTSTACK_LINK_KEY_DB_MEMORY_ENTRIES  2
#define MAX_NR_BNEP_SERVICES 1
#define MAX_NR_BNEP_CHANNELS 1
#define MAX_NR_HFP_CONNECTIONS 1
#define MAX_NR_WHITELIST_ENTRIES 1
#define MAX_NR_SM_LOOKUP_ENTRIES 3
#define MAX_NR_SERVICE_RECORD_ITEMS 1
#define MAX_NR_AVDTP_STREAM_ENDPOINTS 1
#define MAX_NR_AVDTP_CONNECTIONS 1
#define MAX_NR_AVRCP_CONNECTIONS 1

#define MAX_NR_LE_DEVICE_DB_ENTRIES 4

// Link Key DB and LE Device DB using TLV on top of Flash Sector interface
// #define NVM_NUM_DEVICE_DB_ENTRIES 16

// We don't give btstack a malloc, so use a fixed-size ATT DB.
#define MAX_ATT_DB_SIZE 512

// BTstack HAL configuration
#define HAVE_EMBEDDED_TIME_MS

// Some USB dongles take longer to respond to HCI reset (e.g. BCM20702A).
#define HCI_RESET_RESEND_TIMEOUT_MS 1000

#endif // MICROPY_INCLUDED_EXTMOD_BTSTACK_BTSTACK_CONFIG_COMMON_H