/****************************************************************************** * * Copyright (C) 2010-2012 Broadcom Corporation * * 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. * ******************************************************************************/ /****************************************************************************** * * This is the implementation of the API for GATT server of BTA. * ******************************************************************************/ #include "bt_target.h" #if defined(BTA_GATT_INCLUDED) && (BTA_GATT_INCLUDED == TRUE) #include #include "gki.h" #include "bta_sys.h" #include "bta_gatt_api.h" #include "bta_gatts_int.h" /***************************************************************************** ** Constants *****************************************************************************/ static const tBTA_SYS_REG bta_gatts_reg = { bta_gatts_hdl_event, NULL /* need a disable functino to be called when BT is disabled */ }; /******************************************************************************* ** ** Function BTA_GATTS_AppRegister ** ** Description This function is called to register application callbacks ** with BTA GATTS module. ** ** Parameters p_app_uuid - applicaiton UUID ** p_cback - pointer to the application callback function. ** ** Returns None ** *******************************************************************************/ void BTA_GATTS_AppRegister(tBT_UUID *p_app_uuid, tBTA_GATTS_CBACK *p_cback) { tBTA_GATTS_API_REG *p_buf; /* register with BTA system manager */ GKI_sched_lock(); if (!bta_gatts_cb.enabled) { bta_sys_register(BTA_ID_GATTS, &bta_gatts_reg); } GKI_sched_unlock(); if ((p_buf = (tBTA_GATTS_API_REG *) GKI_getbuf(sizeof(tBTA_GATTS_API_REG))) != NULL) { p_buf->hdr.event = BTA_GATTS_API_REG_EVT; if (p_app_uuid != NULL) memcpy(&p_buf->app_uuid, p_app_uuid, sizeof(tBT_UUID)); p_buf->p_cback = p_cback; bta_sys_sendmsg(p_buf); } return; } /******************************************************************************* ** ** Function BTA_GATTS_AppDeregister ** ** Description De-register with GATT Server. ** ** Parameters app_id: applicatino ID. ** ** Returns void ** *******************************************************************************/ void BTA_GATTS_AppDeregister(tBTA_GATTS_IF server_if) { tBTA_GATTS_API_DEREG *p_buf; if ((p_buf = (tBTA_GATTS_API_DEREG *) GKI_getbuf(sizeof(tBTA_GATTS_API_DEREG))) != NULL) { p_buf->hdr.event = BTA_GATTS_API_DEREG_EVT; p_buf->server_if = server_if; bta_sys_sendmsg(p_buf); } return; } /******************************************************************************* ** ** Function BTA_GATTS_CreateService ** ** Description 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. ** ** Parameters app_id: Profile ID this service is belonged to. ** p_service_uuid: service UUID. ** inst: instance ID number of this service. ** num_handle: numble of handle requessted for this service. ** is_primary: is this service a primary one or not. ** ** Returns void ** *******************************************************************************/ void BTA_GATTS_CreateService(tBTA_GATTS_IF server_if, tBT_UUID *p_service_uuid, UINT8 inst, UINT16 num_handle, BOOLEAN is_primary) { tBTA_GATTS_API_CREATE_SRVC *p_buf; if ((p_buf = (tBTA_GATTS_API_CREATE_SRVC *) GKI_getbuf(sizeof(tBTA_GATTS_API_CREATE_SRVC))) != NULL) { p_buf->hdr.event = BTA_GATTS_API_CREATE_SRVC_EVT; p_buf->server_if = server_if; p_buf->inst = inst; memcpy(&p_buf->service_uuid, p_service_uuid, sizeof(tBT_UUID)); p_buf->num_handle = num_handle; p_buf->is_pri = is_primary; bta_sys_sendmsg(p_buf); } return; } /******************************************************************************* ** ** Function BTA_GATTS_AddIncludeService ** ** Description 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. ** ** Parameters service_id: service ID to which this included service is to ** be added. ** included_service_id: the service ID to be included. ** ** Returns void ** *******************************************************************************/ void BTA_GATTS_AddIncludeService(UINT16 service_id, UINT16 included_service_id) { tBTA_GATTS_API_ADD_INCL_SRVC *p_buf; if ((p_buf = (tBTA_GATTS_API_ADD_INCL_SRVC *) GKI_getbuf(sizeof(tBTA_GATTS_API_ADD_INCL_SRVC))) != NULL) { p_buf->hdr.event = BTA_GATTS_API_ADD_INCL_SRVC_EVT; p_buf->hdr.layer_specific = service_id; p_buf->included_service_id = included_service_id; bta_sys_sendmsg(p_buf); } return; } /******************************************************************************* ** ** Function BTA_GATTS_AddCharacteristic ** ** Description This function is called to add a characteristic into a service. ** ** Parameters service_id: service ID to which this included service is to ** be added. ** p_char_uuid : Characteristic UUID. ** perm : Characteristic value declaration attribute permission. ** property : Characteristic Properties ** ** Returns None ** *******************************************************************************/ void BTA_GATTS_AddCharacteristic (UINT16 service_id, tBT_UUID *p_char_uuid, tBTA_GATT_PERM perm, tBTA_GATT_CHAR_PROP property) { tBTA_GATTS_API_ADD_CHAR *p_buf; if ((p_buf = (tBTA_GATTS_API_ADD_CHAR *) GKI_getbuf(sizeof(tBTA_GATTS_API_ADD_CHAR))) != NULL) { memset(p_buf, 0, sizeof(tBTA_GATTS_API_ADD_CHAR)); p_buf->hdr.event = BTA_GATTS_API_ADD_CHAR_EVT; p_buf->hdr.layer_specific = service_id; p_buf->perm = perm; p_buf->property = property; if (p_char_uuid) { memcpy(&p_buf->char_uuid, p_char_uuid, sizeof(tBT_UUID)); } bta_sys_sendmsg(p_buf); } return; } /******************************************************************************* ** ** Function BTA_GATTS_AddCharDescriptor ** ** Description 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. ** ** Parameters service_id: service ID to which this charatceristic descriptor is to ** be added. ** perm: descriptor access permission. ** p_descr_uuid: descriptor UUID. ** ** Returns returns status. ** *******************************************************************************/ void BTA_GATTS_AddCharDescriptor (UINT16 service_id, tBTA_GATT_PERM perm, tBT_UUID * p_descr_uuid) { tBTA_GATTS_API_ADD_DESCR *p_buf; UINT16 len = sizeof(tBTA_GATTS_API_ADD_DESCR); if ((p_buf = (tBTA_GATTS_API_ADD_DESCR *) GKI_getbuf(len)) != NULL) { memset(p_buf, 0, len); p_buf->hdr.event = BTA_GATTS_API_ADD_DESCR_EVT; p_buf->hdr.layer_specific = service_id; p_buf->perm = perm; if (p_descr_uuid) { memcpy(&p_buf->descr_uuid, p_descr_uuid, sizeof(tBT_UUID)); } bta_sys_sendmsg(p_buf); } return; } /******************************************************************************* ** ** Function BTA_GATTS_DeleteService ** ** Description This function is called to delete a service. When this is done, ** a callback event BTA_GATTS_DELETE_EVT is report with the status. ** ** Parameters service_id: service_id to be deleted. ** ** Returns returns none. ** *******************************************************************************/ void BTA_GATTS_DeleteService(UINT16 service_id) { BT_HDR *p_buf; if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) { p_buf->event = BTA_GATTS_API_DEL_SRVC_EVT; p_buf->layer_specific = service_id; bta_sys_sendmsg(p_buf); } return; } /******************************************************************************* ** ** Function BTA_GATTS_StartService ** ** Description This function is called to start a service. ** ** Parameters service_id: the service ID to be started. ** sup_transport: supported trasnport. ** ** Returns None. ** *******************************************************************************/ void BTA_GATTS_StartService(UINT16 service_id, tBTA_GATT_TRANSPORT sup_transport) { tBTA_GATTS_API_START *p_buf; if ((p_buf = (tBTA_GATTS_API_START *) GKI_getbuf(sizeof(tBTA_GATTS_API_START))) != NULL) { p_buf->hdr.event = BTA_GATTS_API_START_SRVC_EVT; p_buf->hdr.layer_specific = service_id; p_buf->transport = sup_transport; bta_sys_sendmsg(p_buf); } return; } /******************************************************************************* ** ** Function BTA_GATTS_StopService ** ** Description This function is called to stop a service. ** ** Parameters service_id - service to be topped. ** ** Returns None ** *******************************************************************************/ void BTA_GATTS_StopService(UINT16 service_id) { BT_HDR *p_buf; if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) { p_buf->event = BTA_GATTS_API_STOP_SRVC_EVT; p_buf->layer_specific = service_id; bta_sys_sendmsg(p_buf); } return; } /******************************************************************************* ** ** Function BTA_GATTS_HandleValueIndication ** ** Description This function is called to read a characteristics descriptor. ** ** Parameters bda - remote device bd address to indicate. ** attr_id - attribute ID to indicate. ** data_len - indicate data length. ** p_data: data to indicate. ** need_confirm - if this indication expects a confirmation or not. ** ** Returns None ** *******************************************************************************/ void BTA_GATTS_HandleValueIndication (UINT16 conn_id, UINT16 attr_id, UINT16 data_len, UINT8 *p_data, BOOLEAN need_confirm) { tBTA_GATTS_API_INDICATION *p_buf; UINT16 len = sizeof(tBTA_GATTS_API_INDICATION); if ((p_buf = (tBTA_GATTS_API_INDICATION *) GKI_getbuf(len)) != NULL) { memset(p_buf, 0, len); p_buf->hdr.event = BTA_GATTS_API_INDICATION_EVT; p_buf->hdr.layer_specific = conn_id; p_buf->attr_id = attr_id; p_buf->need_confirm = need_confirm; if (data_len > 0 && p_data != NULL) { p_buf->len = data_len; memcpy(p_buf->value, p_data, data_len); } bta_sys_sendmsg(p_buf); } return; } /******************************************************************************* ** ** Function BTA_GATTS_SendRsp ** ** Description This function is called to send a response to a request. ** ** Parameters conn_id - connection identifier. ** trans_id - transaction ID. ** status - response status ** p_msg - response data. ** ** Returns None ** *******************************************************************************/ void BTA_GATTS_SendRsp (UINT16 conn_id, UINT32 trans_id, tBTA_GATT_STATUS status, tBTA_GATTS_RSP *p_msg) { tBTA_GATTS_API_RSP *p_buf; UINT16 len = sizeof(tBTA_GATTS_API_RSP) + sizeof(tBTA_GATTS_RSP); if ((p_buf = (tBTA_GATTS_API_RSP *) GKI_getbuf(len)) != NULL) { memset(p_buf, 0, len); p_buf->hdr.event = BTA_GATTS_API_RSP_EVT; p_buf->hdr.layer_specific = conn_id; p_buf->trans_id = trans_id; p_buf->status = status; if (p_msg != NULL) { p_buf->p_rsp = (tBTA_GATTS_RSP *)(p_buf + 1); memcpy(p_buf->p_rsp, p_msg, sizeof(tBTA_GATTS_RSP)); } bta_sys_sendmsg(p_buf); } return; } /******************************************************************************* ** ** Function BTA_GATTS_Open ** ** Description Open a direct open connection or add a background auto connection ** bd address ** ** Parameters server_if: server interface. ** remote_bda: remote device BD address. ** is_direct: direct connection or background auto connection ** ** Returns void ** *******************************************************************************/ void BTA_GATTS_Open(tBTA_GATTS_IF server_if, BD_ADDR remote_bda, BOOLEAN is_direct) { tBTA_GATTS_API_OPEN *p_buf; if ((p_buf = (tBTA_GATTS_API_OPEN *) GKI_getbuf(sizeof(tBTA_GATTS_API_OPEN))) != NULL) { p_buf->hdr.event = BTA_GATTS_API_OPEN_EVT; p_buf->server_if = server_if; p_buf->is_direct = is_direct; memcpy(p_buf->remote_bda, remote_bda, BD_ADDR_LEN); bta_sys_sendmsg(p_buf); } return; } /******************************************************************************* ** ** Function BTA_GATTS_CancelOpen ** ** Description Cancel a direct open connection or remove a background auto connection ** bd address ** ** Parameters server_if: server interface. ** remote_bda: remote device BD address. ** is_direct: direct connection or background auto connection ** ** Returns void ** *******************************************************************************/ void BTA_GATTS_CancelOpen(tBTA_GATTS_IF server_if, BD_ADDR remote_bda, BOOLEAN is_direct) { tBTA_GATTS_API_CANCEL_OPEN *p_buf; if ((p_buf = (tBTA_GATTS_API_CANCEL_OPEN *) GKI_getbuf(sizeof(tBTA_GATTS_API_CANCEL_OPEN))) != NULL) { p_buf->hdr.event = BTA_GATTS_API_CANCEL_OPEN_EVT; p_buf->server_if = server_if; p_buf->is_direct = is_direct; memcpy(p_buf->remote_bda, remote_bda, BD_ADDR_LEN); bta_sys_sendmsg(p_buf); } return; } /******************************************************************************* ** ** Function BTA_GATTS_Close ** ** Description Close a connection a remote device. ** ** Parameters conn_id: connectino ID to be closed. ** ** Returns void ** *******************************************************************************/ void BTA_GATTS_Close(UINT16 conn_id) { BT_HDR *p_buf; if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) { p_buf->event = BTA_GATTS_API_CLOSE_EVT; p_buf->layer_specific = conn_id; bta_sys_sendmsg(p_buf); } return; } #endif /* BTA_GATT_INCLUDED */