#ifndef __ESP_GATTS_API_H__
#define __ESP_GATTS_API_H__
#include "bt_types.h"
#include "esp_bt_defs.h"
#include "esp_gatt_defs.h"
#include "bta_gatt_api.h"
#include "esp_err.h"
/* GATT Server Data Structure */
/* Server callback function events */
#define ESP_GATTS_REG_EVT 0
#define ESP_GATTS_READ_EVT 1
#define ESP_GATTS_WRITE_EVT 2
#define ESP_GATTS_EXEC_WRITE_EVT 3
#define ESP_GATTS_MTU_EVT 4
#define ESP_GATTS_CONF_EVT 5
#define ESP_GATTS_UNREG_EVT 6
#define ESP_GATTS_CREATE_EVT 7
#define ESP_GATTS_ADD_INCL_SRVC_EVT 8
#define ESP_GATTS_ADD_CHAR_EVT 9
#define ESP_GATTS_ADD_CHAR_DESCR_EVT 10
#define ESP_GATTS_DELELTE_EVT 11
#define ESP_GATTS_START_EVT 12
#define ESP_GATTS_STOP_EVT 13
#define ESP_GATTS_CONNECT_EVT 14
#define ESP_GATTS_DISCONNECT_EVT 15
#define ESP_GATTS_OPEN_EVT 16
#define ESP_GATTS_CANCEL_OPEN_EVT 17
#define ESP_GATTS_CLOSE_EVT 18
#define ESP_GATTS_LISTEN_EVT 19
#define ESP_GATTS_CONGEST_EVT 20
/* following is extra event */
#define ESP_GATTS_RESPONSE_EVT 21
/* esp_ble_gatts_cb_param_t */
typedef union {
//ESP_GATTS_REG_EVT
struct gatts_reg_evt_param {
int status;
uint16_t gatt_if;
uint16_t app_id;
} reg;
// param for ESP_GATTS_READ_EVT
struct gatts_read_evt_param {
uint16_t conn_id;
uint32_t trans_id;
esp_bd_addr_t bda;
uint16_t handle;
uint16_t offset;
bool is_long;
} read;
// param for ESP_GATTS_WRITE_EVT
struct gatts_write_evt_param {
uint16_t conn_id;
uint32_t trans_id;
esp_bd_addr_t bda;
uint16_t handle;
uint16_t offset;
bool need_rsp;
bool is_prep;
uint16_t len;
uint8_t *value;
} write;
// param for ESP_GATTS_EXEC_WRITE_EVT
struct gatts_exec_write_evt_param {
uint16_t conn_id;
uint32_t trans_id;
esp_bd_addr_t bda;
#define ESP_GATT_PREP_WRITE_CANCEL 0x00
#define ESP_GATT_PREP_WRITE_EXEC 0x01
uint8_t exec_write_flag;
} exec_write;
// param for ESP_GATTS_MTU_EVT
struct gatts_mtu_evt_param {
uint16_t conn_id;
uint16_t mtu;
} mtu;
// param for ESP_GATTS_CONF_EVT
struct gatts_conf_evt_param {
uint16_t conn_id;
int status;
} conf;
// param for ESP_GATTS_DEREG_EVT, NONE
// param for ESP_GATTS_CREATE_EVT
struct gatts_create_evt_param {
int status;
uint16_t gatt_if;
uint16_t service_handle; //handle
esp_gatt_srvc_id_t service_id; //id
} create;
// param for ESP_GATTS_ADD_INCL_SRVC_EVT
struct gatts_add_incl_srvc_evt_param {
int status;
uint16_t gatt_if;
uint16_t attr_handle; //handle
uint16_t service_handle; //handle
} add_incl_srvc;
// param for ESP_GATTS_ADD_CHAR_EVT
struct gatts_add_char_evt_param {
int status;
uint16_t gatt_if;
uint16_t attr_handle; //handle
uint16_t service_handle; //handle
esp_bt_uuid_t char_uuid;
} add_char;
// param for ESP_GATTS_ADD_CHAR_DESCR_EVT
struct gatts_add_char_descr_evt_param {
int status;
uint16_t gatt_if;
uint16_t attr_handle; //handle
uint16_t service_handle; //handle
esp_bt_uuid_t char_uuid;
} add_char_descr;
// param for ESP_GATTS_DELELTE_EVT
struct gatts_delete_evt_param {
int status;
uint16_t gatt_if;
uint16_t service_handle; //handle
} del;
// param for ESP_GATTS_START_EVT
struct gatts_start_evt_param {
int status;
uint16_t gatt_if;
uint16_t service_handle; //handle
} start;
// param for ESP_GATTS_STOP_EVT
struct gatts_stop_evt_param {
int status;
uint16_t gatt_if;
uint16_t service_handle; //handle
} stop;
// param for ESP_GATTS_CONNECT_EVT
struct gatts_connect_evt_param {
uint16_t conn_id;
uint16_t gatt_if;
esp_bd_addr_t remote_bda;
bool is_connected;
} connect;
// param for ESP_GATTS_DISCONNECT_EVT
struct gatts_disconnect_evt_param {
uint16_t conn_id;
uint16_t gatt_if;
esp_bd_addr_t remote_bda;
bool is_connected;
} disconnect;
// param for ESP_GATTS_OPEN_EVT none
// param for ESP_GATTS_CANCEL_OPEN_EVT none
// param for ESP_GATTS_CLOSE_EVT none
// param for ESP_GATTS_LISTEN_EVT none
// param for ESP_GATTS_CONGEST_EVT
struct gatts_congest_evt_param {
uint16_t conn_id;
bool congested;
} congest;
// param for ESP_GATTS_RESPONSE_EVT
struct gatts_rsp_evt_param {
int status; //response status, 0 is success
uint16_t handle; //attribute handle which send response
} rsp;
} esp_ble_gatts_cb_param_t;
/*******************************************************************************
**
** @function esp_ble_gatts_register_callback
**
** @brief This function is called to register application callbacks
** with BTA GATTS module.
**
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gatts_register_callback(esp_profile_cb_t callback);
/*******************************************************************************
**
** @function esp_ble_gatts_app_register
**
** @brief This function is called to register application identity
**
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gatts_app_register(uint16_t app_id);
/*******************************************************************************
**
** @function esp_ble_gatts_app_unregister
**
** @brief un-register with GATT Server.
**
** @param[in] gatt_if: gatt interface id.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gatts_app_unregister(esp_gatt_if_t gatt_if);
/*******************************************************************************
**
** @function esp_ble_gatts_create_service
**
** @brief Create a service. When service creation is done, a callback
** event BTA_GATTS_CREATE_SRVC_EVT is called to report status
** and service ID to the profile. The service ID obtained in
** the callback function needs to be used when adding included
** service and characteristics/descriptors into the service.
**
** @param[in] gatt_if: gatt interface ID
** @param[in] service_id: service ID.
** @param[in] num_handle: numble of handle requessted for this service.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gatts_create_service(esp_gatt_if_t gatt_if,
esp_gatt_srvc_id_t *service_id, uint16_t num_handle);
/*******************************************************************************
**
** @function esp_ble_gatts_add_include_service
**
** @brief This function is called to add an included service. After included
** service is included, a callback event BTA_GATTS_ADD_INCL_SRVC_EVT
** is reported the included service ID.
**
** @param[in] service_handle: service handle to which this included service is to
** be added.
** @param[in] included_service_handle: the service ID to be included.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gatts_add_include_service(uint16_t service_handle, uint16_t included_service_handle);
/*******************************************************************************
**
** @function esp_ble_gatts_add_char
**
** @brief This function is called to add a characteristic into a service.
**
** @param[in] service_handle: service handle to which this included service is to
** be added.
** @param[in] char_uuid : Characteristic UUID.
** @param[in] perm : Characteristic value declaration attribute permission.
** @param[in] property : Characteristic Properties
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gatts_add_char(uint16_t service_handle, esp_bt_uuid_t *char_uuid,
esp_gatt_perm_t perm, esp_gatt_char_prop_t property);
/*******************************************************************************
**
** @function esp_ble_gatts_add_char_descr
**
** @brief This function is called to add characteristic descriptor. When
** it's done, a callback event BTA_GATTS_ADD_DESCR_EVT is called
** to report the status and an ID number for this descriptor.
**
** @param[in] service_handle: service handle to which this charatceristic descriptor is to
** be added.
** @param[in] perm: descriptor access permission.
** @param[in] descr_uuid: descriptor UUID.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gatts_add_char_descr (uint16_t service_handle,
esp_bt_uuid_t *descr_uuid,
esp_gatt_perm_t perm);
/*******************************************************************************
**
** @function esp_ble_gatts_delete_service
**
** @brief This function is called to delete a service. When this is done,
** a callback event BTA_GATTS_DELETE_EVT is report with the status.
**
** @param[in] service_handled: service_handle to be deleted.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gatts_delete_service(uint16_t service_handle);
/*******************************************************************************
**
** @function esp_ble_gatts_start_service
**
** @brief This function is called to start a service.
**
** @param[in] service_handle: the service handle to be started.
** @param[in] sup_transport: supported trasnport.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gatts_start_service(uint16_t service_handle);
/*******************************************************************************
**
** @function esp_ble_gatts_stop_service
**
** @brief This function is called to stop a service.
**
** @param[in] service_handle - service to be topped.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gatts_stop_service(uint16_t service_handle);
/*******************************************************************************
**
** @function esp_ble_gatts_send_indicate
**
** @brief This function is called to read a characteristics descriptor.
**
** @param[in] conn_id - connection id to indicate.
** @param[in] attribute_handle - attribute handle to indicate.
** @param[in] value_len - indicate value length.
** @param[in] value: value to indicate.
** @param[in] need_confirm - if this indication expects a confirmation or not.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gatts_send_indicate(uint16_t conn_id, uint16_t attr_handle,
uint16_t value_len, uint8_t *value, bool need_confirm);
/*******************************************************************************
**
** @function esp_ble_gatts_send_rsp
**
** @brief This function is called to send a response to a request.
**
** @param[in] conn_id - connection identifier.
** @param[in] trans_id - transfe id
** @param[in] status - response status
** @param[in] rsp - response data.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gatts_send_response(uint16_t conn_id, uint32_t trans_id,
esp_gatt_status_t status, esp_gatt_rsp_t *rsp);
/*******************************************************************************
**
** @function esp_ble_gatts_open
**
** @brief Open a direct open connection or add a background auto connection
** bd address
**
** @param[in] gatt_if: application ID.
** @param[in] remote_bda: remote device BD address.
** @param[in] is_direct: direct connection or background auto connection
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gatts_open(esp_gatt_if_t gatt_if, esp_bd_addr_t remote_bda, bool is_direct);
/*******************************************************************************
**
** @function esp_ble_gatts_close
**
** @brief Close a connection a remote device.
**
** @param[in] conn_id: connectino ID to be closed.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gatts_close(uint16_t conn_id);
#endif /* __ESP_GATTS_API_H__ */