OVMS3-idf/components/bt/bluedroid/api/esp_gattc_api.c

623 lines
23 KiB
C

// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <string.h>
#include "esp_gattc_api.h"
#include "btc_manage.h"
#include "btc_gattc.h"
/*******************************************************************************
**
** @function esp_ble_gattc_app_register_callback
**
** @brief This function is called to register application callbacks
** with GATTC module.
**
** @param[in] callback - pointer to the application callback function.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_register_callback(esp_profile_cb_t callback)
{
if (callback == NULL) {
return ESP_FAIL;
}
btc_profile_cb_set(BTC_PID_GATTC, callback);
return ESP_OK;
}
/*******************************************************************************
**
** @function esp_ble_gattc_app_register
**
** @brief This function is called to register application
** with GATTC module.
**
** @param[in] app_id : Application Identitfy (UUID), for different application
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_app_register(uint16_t app_id)
{
btc_msg_t msg;
btc_ble_gattc_args_t arg;
msg.sig = BTC_SIG_API_CALL;
msg.pid = BTC_PID_GATTC;
msg.act = BTC_GATTC_ACT_APP_REGISTER;
arg.app_reg.app_id = app_id;
return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gattc_args_t), NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}
/*******************************************************************************
**
** @function esp_ble_gattc_app_unregister
**
** @brief This function is called to unregister an application
** from GATTC module.
**
** @param[in] client_if - client interface identifier.
**
** @return None
**
*******************************************************************************/
esp_err_t esp_ble_gattc_app_unregister(esp_gatt_if_t gatt_if)
{
btc_msg_t msg;
btc_ble_gattc_args_t arg;
msg.sig = BTC_SIG_API_CALL;
msg.pid = BTC_PID_GATTC;
msg.act = BTC_GATTC_ACT_APP_UNREGISTER;
arg.app_unreg.gatt_if = gatt_if;
return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gattc_args_t), NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}
/*******************************************************************************
**
** @function esp_ble_gattc_conn
**
** @brief Open a direct connection or add a background auto connection
** bd address
**
** @param[in] gatt_if: application identity.
** @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_gattc_open(esp_gatt_if_t gatt_if, esp_bd_addr_t remote_bda, bool is_direct)
{
btc_msg_t msg;
btc_ble_gattc_args_t arg;
msg.sig = BTC_SIG_API_CALL;
msg.pid = BTC_PID_GATTC;
msg.act = BTC_GATTC_ACT_OPEN;
arg.open.gatt_if = gatt_if;
memcpy(arg.open.remote_bda, remote_bda, ESP_BD_ADDR_LEN);
arg.open.is_direct = is_direct;
return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gattc_args_t), NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}
/*******************************************************************************
**
** @function esp_ble_gattc_close
**
** @brief Close a connection to a GATT server.
**
** @param[in] conn_id: connectino ID to be closed.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_close (uint16_t conn_id)
{
btc_msg_t msg;
btc_ble_gattc_args_t arg;
msg.sig = BTC_SIG_API_CALL;
msg.pid = BTC_PID_GATTC;
msg.act = BTC_GATTC_ACT_CLOSE;
arg.close.conn_id = conn_id;
return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gattc_args_t), NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}
/*******************************************************************************
**
** @function esp_ble_gattc_config_mtu
**
** @brief Configure the MTU size in the GATT channel. This can be done
** only once per connection.
**
** @param[in] conn_id: connection ID.
** mtu: desired MTU size to use.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_config_mtu (uint16_t conn_id, uint16_t mtu)
{
btc_msg_t msg;
btc_ble_gattc_args_t arg;
if ((mtu < ESP_GATT_DEF_BLE_MTU_SIZE) || (mtu > ESP_GATT_MAX_MTU_SIZE)) {
return ESP_GATT_ILLEGAL_PARAMETER;
}
msg.sig = BTC_SIG_API_CALL;
msg.pid = BTC_PID_GATTC;
msg.act = BTC_GATTC_ACT_CFG_MTU;
arg.cfg_mtu.conn_id = conn_id;
arg.cfg_mtu.mtu = mtu;
return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gattc_args_t), NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}
/*******************************************************************************
**
** @function esp_ble_gattc_search_service
**
** @brief This function is called to request a GATT service discovery
** on a GATT server. This function report service search result
** by a callback event, and followed by a service search complete
** event.
**
** @param[in] conn_id: connection ID.
** @param[in] filter_uuid: a UUID of the service application is interested in.
** If Null, discover for all services.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_search_service(uint16_t conn_id, esp_bt_uuid_t *filter_uuid)
{
btc_msg_t msg;
btc_ble_gattc_args_t arg;
msg.sig = BTC_SIG_API_CALL;
msg.pid = BTC_PID_GATTC;
msg.act = BTC_GATTC_ACT_SEARCH_SERVICE;
arg.search_srvc.conn_id = conn_id;
if (filter_uuid) {
arg.search_srvc.filter_uuid_enable = true;
memcpy(&arg.search_srvc.filter_uuid, filter_uuid, sizeof(esp_bt_uuid_t));
} else {
arg.search_srvc.filter_uuid_enable = false;
}
return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gattc_args_t), NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}
/****************************************************************************************************
**
** @function esp_ble_gattc_get_characteristic
**
** @brief This function is called to find the first characteristic of the
** service on the given server.
**
** @param[in] conn_id: connection ID which identify the server.
**
** @param[in] srvc_id: serivce ID
**
** @param[in] start_char_id: the start characteristic ID
**
** @return ESP_OK - success, other - failed
**
*****************************************************************************************************/
esp_err_t esp_ble_gattc_get_characteristic(uint16_t conn_id,
esp_gatt_srvc_id_t *srvc_id,
esp_gatt_id_t *start_char_id)
{
btc_msg_t msg;
btc_ble_gattc_args_t arg;
msg.sig = BTC_SIG_API_CALL;
msg.pid = BTC_PID_GATTC;
if (start_char_id) {
arg.get_next_char.conn_id = conn_id;
memcpy(&arg.get_next_char.service_id, srvc_id, sizeof(esp_gatt_srvc_id_t));
memcpy(&arg.get_next_char.char_id, start_char_id, sizeof(esp_gatt_id_t));
msg.act = BTC_GATTC_ACT_GET_NEXT_CHAR;
} else {
arg.get_first_char.conn_id = conn_id;
memcpy(&arg.get_first_char.service_id, srvc_id, sizeof(esp_gatt_srvc_id_t));
msg.act = BTC_GATTC_ACT_GET_FIRST_CHAR;
}
return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gattc_args_t), NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}
/****************************************************************************************************
**
** @function esp_ble_gattc_get_descriptor
**
** @brief This function is called to find the descriptor of the
** service on the given server.
**
** @param[in] conn_id: connection ID which identify the server.
** @param[in] srvc_id: the service ID of which the characteristic is belonged to.
** @param[in] char_id: Characteristic ID, if NULL find the first available
** characteristic.
** @param[in] start_descr_id: the sctart descriptor id
**
** @return ESP_OK - success, other - failed
**
*****************************************************************************************************/
esp_err_t esp_ble_gattc_get_descriptor(uint16_t conn_id,
esp_gatt_srvc_id_t *srvc_id,
esp_gatt_id_t *char_id,
esp_gatt_id_t *start_descr_id)
{
btc_msg_t msg;
btc_ble_gattc_args_t arg;
msg.sig = BTC_SIG_API_CALL;
msg.pid = BTC_PID_GATTC;
if (start_descr_id) {
arg.get_next_descr.conn_id = conn_id;
memcpy(&arg.get_next_descr.service_id, srvc_id, sizeof(esp_gatt_srvc_id_t));
memcpy(&arg.get_next_descr.char_id, char_id, sizeof(esp_gatt_id_t));
memcpy(&arg.get_next_descr.descr_id, start_descr_id, sizeof(esp_gatt_id_t));
msg.act = BTC_GATTC_ACT_GET_NEXT_DESCR;
} else {
arg.get_first_descr.conn_id = conn_id;
memcpy(&arg.get_first_descr.service_id, srvc_id, sizeof(esp_gatt_srvc_id_t));
memcpy(&arg.get_first_descr.char_id, char_id, sizeof(esp_gatt_id_t));
msg.act = BTC_GATTC_ACT_GET_FIRST_DESCR;
}
return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gattc_args_t), NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}
/****************************************************************************************************
**
** @function esp_ble_gattc_get_include_service
**
** @brief This function is called to find the first characteristic of the
** service on the given server.
**
** @param[in] conn_id: connection ID which identify the server.
** @param[in] srvc_id: the service ID of which the characteristic is belonged to.
** @param[in] start_incl_srvc_id: the start include service id
**
** @return ESP_OK - success, other - failed
**
*****************************************************************************************************/
esp_err_t esp_ble_gattc_get_included_service(uint16_t conn_id,
esp_gatt_srvc_id_t *srvc_id,
esp_gatt_srvc_id_t *start_incl_srvc_id)
{
btc_msg_t msg;
btc_ble_gattc_args_t arg;
msg.sig = BTC_SIG_API_CALL;
msg.pid = BTC_PID_GATTC;
if (start_incl_srvc_id) {
arg.get_next_incl_srvc.conn_id = conn_id;
memcpy(&arg.get_next_incl_srvc.service_id, srvc_id, sizeof(esp_gatt_srvc_id_t));
memcpy(&arg.get_next_incl_srvc.start_service_id, start_incl_srvc_id, sizeof(esp_gatt_srvc_id_t));
msg.act = BTC_GATTC_ACT_GET_NEXT_INCL_SERVICE;
} else {
arg.get_first_incl_srvc.conn_id = conn_id;
memcpy(&arg.get_first_incl_srvc.service_id, srvc_id, sizeof(esp_gatt_srvc_id_t));
msg.act = BTC_GATTC_ACT_GET_FIRST_INCL_SERVICE;
}
return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gattc_args_t), NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}
/*******************************************************************************
**
** @function esp_ble_gattc_read_char
**
** @brief This function is called to read a service's characteristics of
** the given characteritisc ID.UTH_REQ_NO_SCATTERNET
**
** @param[in] conn_id - connectino ID.
** @param[in] srvc_id - serivcie ID.
** @param[in] char_id - characteritic ID to read.
** @param[in] auth_req - authenticate request type
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_read_char (uint16_t conn_id, esp_gatt_srvc_id_t *srvc_id,
esp_gatt_id_t *char_id, esp_gatt_auth_req_t auth_req)
{
btc_msg_t msg;
btc_ble_gattc_args_t arg;
msg.sig = BTC_SIG_API_CALL;
msg.pid = BTC_PID_GATTC;
msg.act = BTC_GATTC_ACT_READ_CHAR;
arg.read_char.conn_id = conn_id;
memcpy(&arg.read_char.service_id, srvc_id, sizeof(esp_gatt_srvc_id_t));
memcpy(&arg.read_char.char_id, char_id, sizeof(esp_gatt_id_t));
arg.read_char.auth_req = auth_req;
return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gattc_args_t), NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}
/*******************************************************************************
**
** @function esp_ble_gattc_read_char_descr
**
** @brief This function is called to read a characteristics descriptor.
**
** @param[in] conn_id - connection ID.
** @param[in] srvc_id - serivcie ID.
** @param[in] descr_id - characteritic descriptor ID to read.
** @param[in] auth_req - authenticate request type
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_read_char_descr (uint16_t conn_id,
esp_gatt_srvc_id_t *srvc_id,
esp_gatt_id_t *char_id,
esp_gatt_id_t *descr_id,
esp_gatt_auth_req_t auth_req)
{
btc_msg_t msg;
btc_ble_gattc_args_t arg;
msg.sig = BTC_SIG_API_CALL;
msg.pid = BTC_PID_GATTC;
msg.act = BTC_GATTC_ACT_READ_CHAR_DESCR;
arg.read_descr.conn_id = conn_id;
memcpy(&arg.read_descr.service_id, srvc_id, sizeof(esp_gatt_srvc_id_t));
memcpy(&arg.read_descr.char_id, char_id, sizeof(esp_gatt_id_t));
memcpy(&arg.read_descr.descr_id, descr_id, sizeof(esp_gatt_id_t));
arg.read_descr.auth_req = auth_req;
return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gattc_args_t), NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}
/*******************************************************************************
**
** @function esp_ble_gattc_write_char
**
** @brief This function is called to write characteristic value.
**
** @param[in] conn_id - connection ID.
** @param[in] srvc_id - serivcie ID.
** @param[in] char_id - characteristic ID to write.
** @param[in] value_len: length of the value to be written.
** @param[in] value - the value to be written.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_write_char( uint16_t conn_id,
esp_gatt_srvc_id_t *srvc_id,
esp_gatt_id_t *char_id,
uint16_t value_len,
uint8_t *value,
esp_gatt_auth_req_t auth_req)
{
btc_msg_t msg;
btc_ble_gattc_args_t arg;
msg.sig = BTC_SIG_API_CALL;
msg.pid = BTC_PID_GATTC;
msg.act = BTC_GATTC_ACT_WRITE_CHAR;
arg.write_char.conn_id = (uint16_t) conn_id;
memcpy(&arg.write_char.service_id, srvc_id, sizeof(esp_gatt_srvc_id_t));
memcpy(&arg.write_char.char_id, char_id, sizeof(esp_gatt_id_t));
arg.write_char.value_len = value_len > ESP_GATT_MAX_ATTR_LEN ? ESP_GATT_MAX_ATTR_LEN : value_len;
arg.write_char.value = value;
arg.write_char.auth_req = auth_req;
return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gattc_args_t), btc_gattc_arg_deep_copy) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}
/*******************************************************************************
**
** @function esp_ble_gattc_write_char_descr
**
** @brief This function is called to write characteristic descriptor value.
**
** @param[in] conn_id - connection ID
** @param[in] srvc_id - serivcie ID.
** @param[in] char_id - characteristic ID.
** @param[in] descr_id - characteristic descriptor ID to write.
** @param[in] value_len: length of the value to be written.
** @param[in] value - the value to be written.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_write_char_descr (uint16_t conn_id,
esp_gatt_srvc_id_t *srvc_id,
esp_gatt_id_t *char_id,
esp_gatt_id_t *descr_id,
uint16_t value_len,
uint8_t *value,
esp_gatt_auth_req_t auth_req)
{
btc_msg_t msg;
btc_ble_gattc_args_t arg;
msg.sig = BTC_SIG_API_CALL;
msg.pid = BTC_PID_GATTC;
msg.act = BTC_GATTC_ACT_WRITE_CHAR_DESCR;
arg.write_descr.conn_id = (uint16_t) conn_id;
memcpy(&arg.write_descr.service_id, srvc_id, sizeof(esp_gatt_srvc_id_t));
memcpy(&arg.write_descr.char_id, char_id, sizeof(esp_gatt_id_t));
memcpy(&arg.write_descr.descr_id, descr_id, sizeof(esp_gatt_id_t));
arg.write_descr.value_len = value_len > ESP_GATT_MAX_ATTR_LEN ? ESP_GATT_MAX_ATTR_LEN : value_len;
arg.write_descr.value = value;
arg.write_descr.auth_req = auth_req;
return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gattc_args_t), btc_gattc_arg_deep_copy) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}
/*******************************************************************************
**
** @function esp_ble_gattc_prepare_write
**
** @brief This function is called to prepare write a characteristic value.
**
** @param[in] conn_id - connection ID.
** @param[in] char_id - GATT characteritic ID of the service.
** @param[in] offset - offset of the write value.
** @param[in] value_len: length of the value to be written.
** @param[in] value - the value to be written.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_prepare_write(uint16_t conn_id,
esp_gatt_srvc_id_t *srvc_id,
esp_gatt_id_t *char_id,
uint16_t offset,
uint16_t value_len,
uint8_t *value,
esp_gatt_auth_req_t auth_req)
{
//TODO: Review this function
btc_msg_t msg;
btc_ble_gattc_args_t arg;
msg.sig = BTC_SIG_API_CALL;
msg.pid = BTC_PID_GATTC;
msg.act = BTC_GATTC_ACT_PREPARE_WRITE;
arg.prep_write.conn_id = conn_id;
memcpy(&arg.prep_write.service_id, srvc_id, sizeof(esp_gatt_srvc_id_t));
memcpy(&arg.prep_write.char_id, char_id, sizeof(esp_gatt_id_t));
arg.prep_write.offset = offset;
arg.prep_write.value_len = value_len > ESP_GATT_MAX_ATTR_LEN ? ESP_GATT_MAX_ATTR_LEN : value_len; // length check ?
arg.prep_write.value = value;
arg.prep_write.auth_req = auth_req;
return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gattc_args_t), btc_gattc_arg_deep_copy) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}
/*******************************************************************************
**
** @function esp_ble_gattc_execu_write
**
** @brief This function is called to execute write a prepare write sequence.
**
** @param[in] conn_id - connection ID.
** @param[in] is_execute - execute or cancel.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_execute_write (uint16_t conn_id, bool is_execute)
{
btc_msg_t msg;
btc_ble_gattc_args_t arg;
msg.sig = BTC_SIG_API_CALL;
msg.pid = BTC_PID_GATTC;
msg.act = BTC_GATTC_ACT_EXECUTE_WRITE;
arg.exec_write.conn_id = conn_id;
arg.exec_write.is_execute = is_execute;
return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gattc_args_t), NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}
/*******************************************************************************
**
** @function esp_ble_gattc_register_for_notify
**
** @brief This function is called to register for notification of a service.
**
** @param[in] gatt_if - gatt interface id.
** @param[in] bda - target GATT server.
** @param[in] srvc_id - pointer to GATT service ID.
** @param[in] char_id - pointer to GATT characteristic ID.
**
** @return OK if registration succeed, otherwise failed.
**
*******************************************************************************/
esp_gatt_status_t esp_ble_gattc_register_for_notify (esp_gatt_if_t gatt_if,
esp_bd_addr_t server_bda,
esp_gatt_srvc_id_t *srvc_id,
esp_gatt_id_t *char_id)
{
btc_msg_t msg;
btc_ble_gattc_args_t arg;
msg.sig = BTC_SIG_API_CALL;
msg.pid = BTC_PID_GATTC;
msg.act = BTC_GATTC_ACT_REG_FOR_NOTIFY;
arg.reg_for_notify.gatt_if = gatt_if;
memcpy(&arg.reg_for_notify.remote_bda, &server_bda, sizeof(esp_bd_addr_t));
memcpy(&arg.reg_for_notify.service_id, srvc_id, sizeof(esp_gatt_srvc_id_t));
memcpy(&arg.reg_for_notify.char_id, char_id, sizeof(esp_gatt_id_t));
return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gattc_args_t), NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}
/*******************************************************************************
**
** @function esp_ble_gattc_unregister_ntf
**
** @brief This function is called to de-register for notification of a service.
**
** @param[in] gatt_if - gatt interface id.
** @param[in] bda - target GATT server.
** @param[in] srvc_id - pointer to GATT service ID.
** @param[in] char_id - pointer to GATT characteristic ID.
**
** @return OK if deregistration succeed, otherwise failed.
**
*******************************************************************************/
esp_gatt_status_t esp_ble_gattc_unregister_for_notify (esp_gatt_if_t gatt_if,
esp_bd_addr_t server_bda,
esp_gatt_srvc_id_t *srvc_id,
esp_gatt_id_t *char_id)
{
btc_msg_t msg;
btc_ble_gattc_args_t arg;
msg.sig = BTC_SIG_API_CALL;
msg.pid = BTC_PID_GATTC;
msg.act = BTC_GATTC_ACT_UNREG_FOR_NOTIFY;
arg.unreg_for_notify.gatt_if = gatt_if;
memcpy(&arg.unreg_for_notify.remote_bda, &server_bda, sizeof(esp_bd_addr_t));
memcpy(&arg.unreg_for_notify.service_id, srvc_id, sizeof(esp_gatt_srvc_id_t));
memcpy(&arg.unreg_for_notify.char_id, char_id, sizeof(esp_gatt_id_t));
return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gattc_args_t), NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}