huxi
251 lines
9.3 KiB
C
251 lines
9.3 KiB
C
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#ifndef _LE_USER_H_
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#define _LE_USER_H_
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#if defined __cplusplus
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extern "C" {
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#endif
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#include "btstack/ble_api.h"
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typedef void (*btstack_packet_handler_t)(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
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typedef int (*sm_stack_packet_handler_t)(uint8_t packet_type, uint8_t *packet, uint16_t size);
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typedef void (*ble_cbk_handler_t)(void);
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// Minimum/default MTU
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#define ATT_DEFAULT_MTU 23
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#define BT_NAME_LEN_MAX 29
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#define ADV_RSP_PACKET_MAX 31
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// hci con handles (12 bit): 0x0000..0x0fff
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#define HCI_CON_HANDLE_INVALID 0xffff
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#define BTSTACK_EVENT_STATE 0x60
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#define L2CAP_EVENT_CONNECTION_PARAMETER_UPDATE_RESPONSE 0x77
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#define ATT_EVENT_MTU_EXCHANGE_COMPLETE 0xB5
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#define ATT_EVENT_HANDLE_VALUE_INDICATION_COMPLETE 0xB6
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#define ATT_EVENT_CAN_SEND_NOW 0xB7
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#define SM_EVENT_JUST_WORKS_REQUEST 0xD0
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#define SM_EVENT_PASSKEY_DISPLAY_NUMBER 0xD2
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#define ATT_TRANSACTION_MODE_NONE 0x0
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#define ATT_TRANSACTION_MODE_ACTIVE 0x1
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#define ATT_TRANSACTION_MODE_EXECUTE 0x2
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#define ATT_TRANSACTION_MODE_CANCEL 0x3
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#define ATT_TRANSACTION_MODE_VALIDATE 0x4
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#define GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_NONE 0
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#define GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_NOTIFICATION 1
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#define GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_INDICATION 2
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#define ATT_PROPERTY_BROADCAST 0x01
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#define ATT_PROPERTY_READ 0x02
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#define ATT_PROPERTY_WRITE_WITHOUT_RESPONSE 0x04
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#define ATT_PROPERTY_WRITE 0x08
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#define ATT_PROPERTY_NOTIFY 0x10
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#define ATT_PROPERTY_INDICATE 0x20
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#define GATT_EVENT_NOTIFICATION 0xA7
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#define GATT_EVENT_INDICATION 0xA8
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#define GATT_EVENT_CHARACTERISTIC_VALUE_QUERY_RESULT 0xA5
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#define GATT_EVENT_LONG_CHARACTERISTIC_VALUE_QUERY_RESULT 0xA6
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// #define GATT_EVENT_SERVICE_QUERY_RESULT 0xA1
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// #define GATT_EVENT_CHARACTERISTIC_QUERY_RESULT 0xA2
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// #define GATT_EVENT_QUERY_COMPLETE 0xA0
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#define GAP_EVENT_ADVERTISING_REPORT 0xE2
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// Authentication requirement flags
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#define SM_AUTHREQ_NO_BONDING 0x00
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#define SM_AUTHREQ_BONDING 0x01
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#define SM_AUTHREQ_MITM_PROTECTION 0x04
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#define SM_AUTHREQ_SECURE_CONNECTION 0x08
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#define SM_AUTHREQ_KEYPRESS 0x10
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#define L2CAP_EVENT_CONNECTION_PARAMETER_UPDATE_RESPONSE 0x77
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#define BT_OP_SUCCESS 0x00
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#define BT_ERR_ADVERTISING_TIMEOUT 0x3C
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//--------------------------------------------
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enum {
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HCI_STATE_OFF = 0,
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HCI_STATE_INITIALIZING,
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HCI_STATE_WORKING,
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HCI_STATE_HALTING,
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HCI_STATE_SLEEPING,
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HCI_STATE_FALLING_ASLEEP
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} ;
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// IO Capability Values
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typedef enum {
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IO_CAPABILITY_DISPLAY_ONLY = 0,
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IO_CAPABILITY_DISPLAY_YES_NO,
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IO_CAPABILITY_KEYBOARD_ONLY,
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IO_CAPABILITY_NO_INPUT_NO_OUTPUT,
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IO_CAPABILITY_KEYBOARD_DISPLAY, // not used by secure simple pairing
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} io_capability_t;
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struct ble_server_operation_t {
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int(*adv_enable)(void *priv, u32 enable);
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int(*disconnect)(void *priv);
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int(*get_buffer_vaild)(void *priv);
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int(*send_data)(void *priv, void *buf, u16 len);
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int(*regist_wakeup_send)(void *priv, void *cbk);
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int(*regist_recieve_cbk)(void *priv, void *cbk);
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int(*regist_state_cbk)(void *priv, void *cbk);
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int(*latency_enable)(void *priv, u32 enable);
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};
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void ble_get_server_operation_table(struct ble_server_operation_t **interface_pt);
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struct ble_client_operation_t {
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int(*scan_enable)(void *priv, u32 enable);
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int(*disconnect)(void *priv);
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int(*get_buffer_vaild)(void *priv);
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int(*write_data)(void *priv, void *buf, u16 len);
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int(*read_do)(void *priv);
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int(*regist_wakeup_send)(void *priv, void *cbk);
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int(*regist_recieve_cbk)(void *priv, void *cbk);
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int(*regist_state_cbk)(void *priv, void *cbk);
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};
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void ble_get_client_operation_table(struct ble_client_operation_t **interface_pt);
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typedef struct {
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//base info
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uint8_t type; ///< See <btstack/hci_cmds.h> SM_...
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uint8_t size;
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hci_con_handle_t con_handle;
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uint8_t addr_type;
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uint8_t address[6];
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//extend info
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uint8_t data[4];
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} sm_just_event_t;
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static inline uint32_t ble_min(uint32_t a, uint32_t b)
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{
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return a < b ? a : b;
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}
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//---------------------------------------------------------------------------------------------------
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// ATT Client Read Callback for Dynamic Data
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// - if buffer == NULL, don't copy data, just return size of value
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// - if buffer != NULL, copy data and return number bytes copied
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// @param con_handle of hci le connection
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// @param attribute_handle to be read
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// @param offset defines start of attribute value
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// @param buffer
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// @param buffer_size
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typedef uint16_t (*att_read_callback_t)(uint16_t con_handle, uint16_t attribute_handle, uint16_t offset, uint8_t *buffer, uint16_t buffer_size);
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// ATT Client Write Callback for Dynamic Data
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// @param con_handle of hci le connection
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// @param attribute_handle to be written
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// @param transaction - ATT_TRANSACTION_MODE_NONE for regular writes, ATT_TRANSACTION_MODE_ACTIVE for prepared writes and ATT_TRANSACTION_MODE_EXECUTE
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// @param offset into the value - used for queued writes and long attributes
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// @param buffer
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// @param buffer_size
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// @param signature used for signed write commmands
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// @returns 0 if write was ok, ATT_ERROR_PREPARE_QUEUE_FULL if no space in queue, ATT_ERROR_INVALID_OFFSET if offset is larger than max buffer
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typedef int (*att_write_callback_t)(uint16_t con_handle, uint16_t attribute_handle, uint16_t transaction_mode, uint16_t offset, uint8_t *buffer, uint16_t buffer_size);
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//----------------------------------------
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extern uint16_t little_endian_read_16(const uint8_t *buffer, int pos);
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extern uint32_t little_endian_read_24(const uint8_t *buffer, int pos);
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extern uint32_t little_endian_read_32(const uint8_t *buffer, int pos);
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//----------------------------------------
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//--------------------------------------
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static inline hci_con_handle_t hci_subevent_le_connection_update_complete_get_connection_handle(const uint8_t *event)
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{
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return little_endian_read_16(event, 4);
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}
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static inline uint16_t hci_subevent_le_connection_update_complete_get_conn_interval(const uint8_t *event)
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{
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return little_endian_read_16(event, 6);
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}
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static inline uint16_t hci_subevent_le_connection_update_complete_get_conn_latency(const uint8_t *event)
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{
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return little_endian_read_16(event, 8);
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}
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static inline uint16_t hci_subevent_le_connection_update_complete_get_supervision_timeout(const uint8_t *event)
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{
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return little_endian_read_16(event, 10);
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}
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static inline uint8_t hci_event_packet_get_type(const uint8_t *event)
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{
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return event[0];
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}
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static inline uint8_t hci_event_le_meta_get_subevent_code(const uint8_t *event)
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{
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return event[2];
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}
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static inline uint16_t att_event_mtu_exchange_complete_get_MTU(const uint8_t *event)
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{
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return little_endian_read_16(event, 4);
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}
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static inline uint8_t btstack_event_state_get_state(const uint8_t *event)
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{
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return event[2];
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}
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static inline uint16_t hci_event_disconnection_complete_get_connection_handle(const uint8_t *event)
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{
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return little_endian_read_16(event, 3);
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}
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static inline hci_con_handle_t hci_subevent_le_connection_complete_get_connection_handle(const uint8_t *event)
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{
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return little_endian_read_16(event, 4);
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}
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static inline uint16_t hci_subevent_le_connection_complete_get_conn_interval(const uint8_t *event)
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{
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return little_endian_read_16(event, 14);
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}
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static inline hci_con_handle_t att_event_mtu_exchange_complete_get_handle(const uint8_t *event)
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{
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return little_endian_read_16(event, 2);
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}
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static inline hci_con_handle_t sm_event_just_works_request_get_handle(const uint8_t *event)
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{
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return little_endian_read_16(event, 2);
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}
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extern void ble_sm_setup_init(io_capability_t io_type, u8 auth_req, uint8_t min_key_size, u8 security_en);
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extern void sm_just_works_confirm(hci_con_handle_t con_handle);
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extern void sm_init(void);
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extern void sm_set_io_capabilities(io_capability_t io_capability);
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extern void sm_set_authentication_requirements(uint8_t auth_req);
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extern void sm_set_encryption_key_size_range(uint8_t min_size, uint8_t max_size);
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extern void sm_set_request_security(int enable);
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extern void sm_event_callback_set(void(*cbk_sm_ph)(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size));
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extern void att_server_init(uint8_t const *db, att_read_callback_t read_callback, att_write_callback_t write_callback);
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extern void att_server_register_packet_handler(btstack_packet_handler_t handler);
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extern void hci_event_callback_set(void(*cbk_ph)(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size));
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extern void ll_hci_connection_updata(u8 *data);
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#endif
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