1 // 2 // btstack_config.h for esp32 port 3 // 4 // Documentation: https://bluekitchen-gmbh.com/btstack/#how_to/ 5 // 6 7 #ifndef BTSTACK_CONFIG_H 8 #define BTSTACK_CONFIG_H 9 10 // Port related features 11 #define HAVE_ASSERT 12 #define HAVE_BTSTACK_STDIN 13 #define HAVE_EMBEDDED_TIME_MS 14 #define HAVE_FREERTOS_INCLUDE_PREFIX 15 #define HAVE_FREERTOS_TASK_NOTIFICATIONS 16 #define HAVE_MALLOC 17 18 // HCI Controller to Host Flow Control 19 #define ENABLE_HCI_CONTROLLER_TO_HOST_FLOW_CONTROL 20 21 // BTstack features that can be enabled 22 #define ENABLE_PRINTF_HEXDUMP 23 #define ENABLE_LOG_ERROR 24 #define ENABLE_LOG_INFO 25 26 // Enable Classic/LE based on esp-idf sdkconfig 27 #include "sdkconfig.h" 28 #ifdef CONFIG_IDF_TARGET_ESP32 29 // ESP32 as dual-mode Controller 30 #define ENABLE_CLASSIC 31 #define ENABLE_BLE 32 #else /* CONFIG_IDF_TARGET_ESP32 */ 33 // ESP32-C3 and ESP32-S3 with LE-only Controller 34 #define ENABLE_BLE 35 #endif 36 37 // Classic configuration 38 #ifdef ENABLE_CLASSIC 39 40 #define ENABLE_HFP_WIDE_BAND_SPEECH 41 42 #define ENABLE_SCO_OVER_HCI 43 44 // mainly needed for AVRCP Browsing, can be removed otherwise to reduce code size 45 #define ENABLE_L2CAP_ENHANCED_RETRANSMISSION_MODE 46 47 // work around to link layer issues in ESP32 48 // https://github.com/espressif/esp-idf/issues/5494 49 #define ENABLE_CLASSIC_LEGACY_CONNECTIONS_FOR_SCO_DEMOS 50 51 // support CTKD if LE is available, too 52 #ifdef ENABLE_BLE 53 #define ENABLE_CROSS_TRANSPORT_KEY_DERIVATION 54 #endif 55 56 #define NVM_NUM_LINK_KEYS 16 57 58 #endif 59 60 // LE configuration 61 #ifdef ENABLE_BLE 62 63 #define ENABLE_L2CAP_LE_CREDIT_BASED_FLOW_CONTROL_MODE 64 #define ENABLE_LE_CENTRAL 65 #define ENABLE_LE_DATA_LENGTH_EXTENSION 66 #define ENABLE_LE_PERIPHERAL 67 #define ENABLE_LE_SECURE_CONNECTIONS 68 // ESP32 supports ECDH HCI Commands, but micro-ecc lib is already provided anyway 69 #define ENABLE_MICRO_ECC_FOR_LE_SECURE_CONNECTIONS 70 71 #define NVM_NUM_DEVICE_DB_ENTRIES 16 72 73 // Mesh Configuration 74 #define ENABLE_MESH 75 #define ENABLE_MESH_ADV_BEARER 76 #define ENABLE_MESH_GATT_BEARER 77 #define ENABLE_MESH_PB_ADV 78 #define ENABLE_MESH_PB_GATT 79 #define ENABLE_MESH_PROVISIONER 80 #define ENABLE_MESH_PROXY_SERVER 81 82 #define MAX_NR_MESH_SUBNETS 2 83 #define MAX_NR_MESH_TRANSPORT_KEYS 16 84 #define MAX_NR_MESH_VIRTUAL_ADDRESSES 16 85 86 // allow for one NetKey update 87 #define MAX_NR_MESH_NETWORK_KEYS (MAX_NR_MESH_SUBNETS+1) 88 89 #endif 90 91 // BTstack configuration. buffers, sizes, ... 92 93 #ifdef ENABLE_CLASSIC 94 95 // ACL buffer large enough for Ethernet frame in BNEP/PAN 96 #define HCI_ACL_PAYLOAD_SIZE (1691 + 4) 97 98 #define HCI_HOST_ACL_PACKET_LEN 1024 99 #define HCI_HOST_ACL_PACKET_NUM 20 100 #define HCI_HOST_SCO_PACKET_LEN 60 101 #define HCI_HOST_SCO_PACKET_NUM 10 102 103 #else 104 105 // ACL buffer large enough to allow for 512 byte Characteristic 106 #define HCI_ACL_PAYLOAD_SIZE (512 + 4 + 3) 107 108 #define HCI_HOST_ACL_PACKET_LEN HCI_ACL_PAYLOAD_SIZE 109 #define HCI_HOST_ACL_PACKET_NUM 20 110 #define HCI_HOST_SCO_PACKET_LEN 0 111 #define HCI_HOST_SCO_PACKET_NUM 0 112 113 #endif 114 115 116 #endif 117