diff options
Diffstat (limited to 'bta/gatt/bta_gatts_api.c')
| -rw-r--r-- | bta/gatt/bta_gatts_api.c | 512 |
1 files changed, 512 insertions, 0 deletions
diff --git a/bta/gatt/bta_gatts_api.c b/bta/gatt/bta_gatts_api.c new file mode 100644 index 0000000..65df0a6 --- /dev/null +++ b/bta/gatt/bta_gatts_api.c @@ -0,0 +1,512 @@ +/****************************************************************************** + * + * 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 <string.h> +#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 */ |