#ifndef _PICO_BTSTACK_BTSTACK_CONFIG_H #define _PICO_BTSTACK_BTSTACK_CONFIG_H // BTstack features that can be enabled #define ENABLE_LE_PERIPHERAL #define ENABLE_LE_CENTRAL #define ENABLE_L2CAP_LE_CREDIT_BASED_FLOW_CONTROL_MODE #define ENABLE_LOG_INFO #define ENABLE_LOG_ERROR #define ENABLE_PRINTF_HEXDUMP // BTstack configuration. buffers, sizes, ... #define HCI_OUTGOING_PRE_BUFFER_SIZE 4 #define HCI_ACL_PAYLOAD_SIZE (1691 + 4) #define HCI_ACL_CHUNK_SIZE_ALIGNMENT 4 #define MAX_NR_AVDTP_CONNECTIONS 1 #define MAX_NR_AVDTP_STREAM_ENDPOINTS 1 #define MAX_NR_AVRCP_CONNECTIONS 2 #define MAX_NR_BNEP_CHANNELS 1 #define MAX_NR_BNEP_SERVICES 1 #define MAX_NR_BTSTACK_LINK_KEY_DB_MEMORY_ENTRIES 2 #define MAX_NR_GATT_CLIENTS 1 #define MAX_NR_HCI_CONNECTIONS 2 #define MAX_NR_HFP_CONNECTIONS 1 #define MAX_NR_L2CAP_CHANNELS 4 #define MAX_NR_L2CAP_SERVICES 3 #define MAX_NR_RFCOMM_CHANNELS 1 #define MAX_NR_RFCOMM_MULTIPLEXERS 1 #define MAX_NR_RFCOMM_SERVICES 1 #define MAX_NR_SERVICE_RECORD_ITEMS 4 #define MAX_NR_SM_LOOKUP_ENTRIES 3 #define MAX_NR_WHITELIST_ENTRIES 1 #define MAX_NR_LE_DEVICE_DB_ENTRIES 4 // Limit number of ACL/SCO Buffer to use by stack to avoid cyw43 shared bus overrun #define MAX_NR_CONTROLLER_ACL_BUFFERS 3 #define MAX_NR_CONTROLLER_SCO_PACKETS 3 // Enable and configure HCI Controller to Host Flow Control to avoid cyw43 shared bus overrun #define ENABLE_HCI_CONTROLLER_TO_HOST_FLOW_CONTROL #define HCI_HOST_ACL_PACKET_LEN 1024 #define HCI_HOST_ACL_PACKET_NUM 3 #define HCI_HOST_SCO_PACKET_LEN 120 #define HCI_HOST_SCO_PACKET_NUM 3 // Link Key DB and LE Device DB using TLV on top of Flash Sector interface #define NVM_NUM_DEVICE_DB_ENTRIES 16 #define NVM_NUM_LINK_KEYS 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 // map btstack_assert onto Pico SDK assert() #define HAVE_ASSERT // Some USB dongles take longer to respond to HCI reset (e.g. BCM20702A). #define HCI_RESET_RESEND_TIMEOUT_MS 1000 #define ENABLE_SOFTWARE_AES128 #define ENABLE_MICRO_ECC_FOR_LE_SECURE_CONNECTIONS #define HAVE_BTSTACK_STDIN // To get the audio demos working even with HCI dump at 115200, this truncates long ACL packetws //#define HCI_DUMP_STDOUT_MAX_SIZE_ACL 100 #define ENABLE_L2CAP_ENHANCED_RETRANSMISSION_MODE #endif // MICROPY_INCLUDED_EXTMOD_BTSTACK_BTSTACK_CONFIG_H