diff options
Diffstat (limited to 'bta/gatt/bta_gattc_api.c')
| -rw-r--r-- | bta/gatt/bta_gattc_api.c | 934 |
1 files changed, 934 insertions, 0 deletions
diff --git a/bta/gatt/bta_gattc_api.c b/bta/gatt/bta_gattc_api.c new file mode 100644 index 0000000..1cace7d --- /dev/null +++ b/bta/gatt/bta_gattc_api.c @@ -0,0 +1,934 @@ +/****************************************************************************** + * + * 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 module 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_gattc_int.h" + +/***************************************************************************** +** Constants +*****************************************************************************/ + +static const tBTA_SYS_REG bta_gatt_reg = +{ + bta_gattc_hdl_event, + NULL /* need a disable functino to be called when BT is disabled */ +}; + +/******************************************************************************* +** +** Function BTA_GATTC_AppRegister +** +** Description This function is called to register application callbacks +** with BTA GATTC module. +** +** Parameters p_app_uuid - applicaiton UUID +** p_client_cb - pointer to the application callback function. +** +** Returns None +** +*******************************************************************************/ +void BTA_GATTC_AppRegister(tBT_UUID *p_app_uuid, tBTA_GATTC_CBACK *p_client_cb) +{ + tBTA_GATTC_API_REG *p_buf; + + /* register with BTA system manager */ + GKI_sched_lock(); + bta_sys_register(BTA_ID_GATTC, &bta_gatt_reg); + GKI_sched_unlock(); + + if ((p_buf = (tBTA_GATTC_API_REG *) GKI_getbuf(sizeof(tBTA_GATTC_API_REG))) != NULL) + { + p_buf->hdr.event = BTA_GATTC_API_REG_EVT; + if (p_app_uuid != NULL) + memcpy(&p_buf->app_uuid, p_app_uuid, sizeof(tBT_UUID)); + p_buf->p_cback = p_client_cb; + + bta_sys_sendmsg(p_buf); + } + return; +} + +/******************************************************************************* +** +** Function BTA_GATTC_AppDeregister +** +** Description This function is called to deregister an application +** from BTA GATTC module. +** +** Parameters client_if - client interface identifier. +** +** Returns None +** +*******************************************************************************/ +void BTA_GATTC_AppDeregister(tBTA_GATTC_IF client_if) +{ + tBTA_GATTC_API_DEREG *p_buf; + + if ((p_buf = (tBTA_GATTC_API_DEREG *) GKI_getbuf(sizeof(tBTA_GATTC_API_DEREG))) != NULL) + { + p_buf->hdr.event = BTA_GATTC_API_DEREG_EVT; + p_buf->client_if = client_if; + bta_sys_sendmsg(p_buf); + } + return; +} + +/******************************************************************************* +** +** Function BTA_GATTC_Open +** +** Description Open a direct connection or add a background auto connection +** bd address +** +** Parameters client_if: server interface. +** remote_bda: remote device BD address. +** is_direct: direct connection or background auto connection +** +** Returns void +** +*******************************************************************************/ +void BTA_GATTC_Open(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, BOOLEAN is_direct) +{ + tBTA_GATTC_API_OPEN *p_buf; + + if ((p_buf = (tBTA_GATTC_API_OPEN *) GKI_getbuf(sizeof(tBTA_GATTC_API_OPEN))) != NULL) + { + p_buf->hdr.event = BTA_GATTC_API_OPEN_EVT; + + p_buf->client_if = client_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_GATTC_CancelOpen +** +** Description Cancel a direct open connection or remove a background auto connection +** bd address +** +** Parameters client_if: server interface. +** remote_bda: remote device BD address. +** is_direct: direct connection or background auto connection +** +** Returns void +** +*******************************************************************************/ +void BTA_GATTC_CancelOpen(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, BOOLEAN is_direct) +{ + tBTA_GATTC_API_CANCEL_OPEN *p_buf; + + if ((p_buf = (tBTA_GATTC_API_CANCEL_OPEN *) GKI_getbuf(sizeof(tBTA_GATTC_API_CANCEL_OPEN))) != NULL) + { + p_buf->hdr.event = BTA_GATTC_API_CANCEL_OPEN_EVT; + + p_buf->client_if = client_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_GATTC_Close +** +** Description Close a connection to a GATT server. +** +** Parameters conn_id: connectino ID to be closed. +** +** Returns void +** +*******************************************************************************/ +void BTA_GATTC_Close(UINT16 conn_id) +{ + BT_HDR *p_buf; + + if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + p_buf->event = BTA_GATTC_API_CLOSE_EVT; + + p_buf->layer_specific = conn_id; + + bta_sys_sendmsg(p_buf); + } + return; + +} +/******************************************************************************* +** +** Function BTA_GATTC_ServiceSearchRequest +** +** Description 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. +** +** Parameters conn_id: connection ID. +** p_srvc_uuid: a UUID of the service application is interested in. +** If Null, discover for all services. +** +** Returns None +** +*******************************************************************************/ +void BTA_GATTC_ServiceSearchRequest (UINT16 conn_id, tBT_UUID *p_srvc_uuid) +{ + tBTA_GATTC_API_SEARCH *p_buf; + UINT16 len = sizeof(tBTA_GATTC_API_SEARCH) + sizeof(tBT_UUID); + + if ((p_buf = (tBTA_GATTC_API_SEARCH *) GKI_getbuf(len)) != NULL) + { + memset(p_buf, 0, len); + + p_buf->hdr.event = BTA_GATTC_API_SEARCH_EVT; + p_buf->hdr.layer_specific = conn_id; + + if (p_srvc_uuid) + { + memcpy(&p_buf->srvc_uuid, p_srvc_uuid, sizeof(tBT_UUID)); + } + bta_sys_sendmsg(p_buf); + } + return; +} + + +/******************************************************************************* +** +** Function BTA_GATTC_GetFirstChar +** +** Description This function is called to find the first charatceristic of the +** service on the given server. +** +** Parameters conn_id: connection ID which identify the server. +** p_srvc_id: the service ID of which the characteristic is belonged to. +** p_char_uuid_cond: Characteristic UUID, if NULL find the first available +** characteristic. +** p_char_result: output parameter which will store the GATT +** characteristic ID. +** p_property: output parameter to carry the characteristic property. +** +** Returns returns status. +** +*******************************************************************************/ +tBTA_GATT_STATUS BTA_GATTC_GetFirstChar (UINT16 conn_id, tBTA_GATT_SRVC_ID *p_srvc_id, + tBT_UUID *p_char_uuid_cond, + tBTA_GATTC_CHAR_ID *p_char_result, + tBTA_GATT_CHAR_PROP *p_property) +{ + tBTA_GATT_STATUS status; + + if (!p_srvc_id || !p_char_result) + return BTA_GATT_ILLEGAL_PARAMETER; + + if ((status = bta_gattc_query_cache(conn_id, BTA_GATTC_ATTR_TYPE_CHAR, p_srvc_id, NULL, + p_char_uuid_cond, &p_char_result->char_id, p_property)) + == BTA_GATT_OK) + { + memcpy(&p_char_result->srvc_id, p_srvc_id, sizeof(tBTA_GATT_SRVC_ID)); + } + + return status; + +} +/******************************************************************************* +** +** Function BTA_GATTC_GetNextChar +** +** Description This function is called to find the next charatceristic of the +** service on the given server. +** +** Parameters conn_id: connection ID which identify the server. +** p_start_char_id: start the characteristic search from the next record +** after the one identified by char_id. +** p_char_uuid_cond: Characteristic UUID, if NULL find the first available +** characteristic. +** p_char_result: output parameter which will store the GATT +** characteristic ID. +** p_property: output parameter to carry the characteristic property. +** +** Returns returns status. +** +*******************************************************************************/ +tBTA_GATT_STATUS BTA_GATTC_GetNextChar (UINT16 conn_id, + tBTA_GATTC_CHAR_ID *p_start_char_id, + tBT_UUID *p_char_uuid_cond, + tBTA_GATTC_CHAR_ID *p_char_result, + tBTA_GATT_CHAR_PROP *p_property) +{ + tBTA_GATT_STATUS status; + + if (!p_start_char_id || !p_char_result) + return BTA_GATT_ILLEGAL_PARAMETER; + + if ((status = bta_gattc_query_cache(conn_id, BTA_GATTC_ATTR_TYPE_CHAR, + &p_start_char_id->srvc_id, + &p_start_char_id->char_id, + p_char_uuid_cond, + &p_char_result->char_id, + p_property)) + == BTA_GATT_OK) + { + memcpy(&p_char_result->srvc_id, &p_start_char_id->srvc_id, sizeof(tBTA_GATT_SRVC_ID)); + } + + return status; +} + +/******************************************************************************* +** +** Function BTA_GATTC_GetFirstCharDescr +** +** Description This function is called to find the first charatceristic descriptor of the +** charatceristic on the given server. +** +** Parameters conn_id: connection ID which identify the server. +** p_char_id: the characteristic ID of which the descriptor is belonged to. +** p_descr_uuid_cond: Characteristic Descr UUID, if NULL find the first available +** characteristic. +** p_descr_result: output parameter which will store the GATT +** characteristic descriptor ID. +** +** Returns returns status. +** +*******************************************************************************/ +tBTA_GATT_STATUS BTA_GATTC_GetFirstCharDescr (UINT16 conn_id, tBTA_GATTC_CHAR_ID *p_char_id, + tBT_UUID *p_descr_uuid_cond, + tBTA_GATTC_CHAR_DESCR_ID *p_descr_result) +{ + tBTA_GATT_STATUS status; + + if (!p_char_id || !p_descr_result) + return BTA_GATT_ILLEGAL_PARAMETER; + + memset(p_descr_result, 0, sizeof(tBTA_GATTC_CHAR_DESCR_ID)); + + if ((status = bta_gattc_query_cache(conn_id, + BTA_GATTC_ATTR_TYPE_CHAR_DESCR, + &p_char_id->srvc_id, + &p_char_id->char_id, + p_descr_uuid_cond, + &p_descr_result->char_id.char_id, + NULL)) + == BTA_GATT_OK) + { + memcpy(&p_descr_result->descr_type, &p_descr_result->char_id.char_id.uuid, sizeof(tBT_UUID)); + memcpy(&p_descr_result->char_id, p_char_id, sizeof(tBTA_GATTC_CHAR_ID)); + } + + return status; + +} +/******************************************************************************* +** +** Function BTA_GATTC_GetNextCharDescr +** +** Description This function is called to find the next charatceristic of the +** service on the given server. +** +** Parameters conn_id: connection ID which identify the server. +** p_start_descr_id: start the characteristic search from the next record +** after the one identified by p_start_descr_id. +** p_descr_uuid_cond: Characteristic descriptor UUID, if NULL find +** the first available characteristic descriptor. +** p_descr_result: output parameter which will store the GATT +** characteristic descriptor ID. +** +** Returns returns status. +** +*******************************************************************************/ +tBTA_GATT_STATUS BTA_GATTC_GetNextCharDescr (UINT16 conn_id, + tBTA_GATTC_CHAR_DESCR_ID *p_start_descr_id, + tBT_UUID *p_descr_uuid_cond, + tBTA_GATTC_CHAR_DESCR_ID *p_descr_result) +{ + tBTA_GATT_STATUS status; + + if (!p_start_descr_id || !p_descr_result) + return BTA_GATT_ILLEGAL_PARAMETER; + + memset(p_descr_result, 0, sizeof(tBTA_GATTC_CHAR_DESCR_ID)); + + if ((status = bta_gattc_query_cache(conn_id, BTA_GATTC_ATTR_TYPE_CHAR_DESCR, + &p_start_descr_id->char_id.srvc_id, + &p_start_descr_id->char_id.char_id, + p_descr_uuid_cond, + &p_descr_result->char_id.char_id, + (void *)&p_start_descr_id->descr_type)) + == BTA_GATT_OK) + { + memcpy(&p_descr_result->descr_type, &p_descr_result->char_id.char_id.uuid, sizeof(tBT_UUID)); + memcpy(&p_descr_result->char_id, p_start_descr_id, sizeof(tBTA_GATTC_CHAR_ID)); + } + + return status; +} + + +/******************************************************************************* +** +** Function BTA_GATTC_GetFirstIncludedService +** +** Description This function is called to find the first included service of the +** service on the given server. +** +** Parameters conn_id: connection ID which identify the server. +** p_srvc_id: the service ID of which the characteristic is belonged to. +** p_uuid_cond: Characteristic UUID, if NULL find the first available +** characteristic. +** p_result: output parameter which will store the GATT ID +** of the included service found. +** +** Returns returns status. +** +*******************************************************************************/ +tBTA_GATT_STATUS BTA_GATTC_GetFirstIncludedService(UINT16 conn_id, tBTA_GATT_SRVC_ID *p_srvc_id, + tBT_UUID *p_uuid_cond, tBTA_GATTC_INCL_SVC_ID *p_result) +{ + tBTA_GATT_STATUS status; + + if (!p_srvc_id || !p_result) + return BTA_GATT_ILLEGAL_PARAMETER; + + if ((status = bta_gattc_query_cache(conn_id, + BTA_GATTC_ATTR_TYPE_INCL_SRVC, + p_srvc_id, + NULL, + p_uuid_cond, + &p_result->incl_svc_id.id, + (tBTA_GATT_CHAR_PROP *)&p_result->incl_svc_id.is_primary)) + == BTA_GATT_OK) + { + memcpy(&p_result->srvc_id, p_srvc_id, sizeof(tBTA_GATT_SRVC_ID)); + } + + return status; +} +/******************************************************************************* +** +** Function BTA_GATTC_GetNextIncludedService +** +** Description This function is called to find the next included service of the +** service on the given server. +** +** Parameters conn_id: connection ID which identify the server. +** p_start_id: start the search from the next record +** after the one identified by p_start_id. +** p_uuid_cond: Included service UUID, if NULL find the first available +** included service. +** p_result: output parameter which will store the GATT ID +** of the included service found. +** +** Returns returns status. +** +*******************************************************************************/ +tBTA_GATT_STATUS BTA_GATTC_GetNextIncludedService(UINT16 conn_id, + tBTA_GATTC_INCL_SVC_ID *p_start_id, + tBT_UUID *p_uuid_cond, + tBTA_GATTC_INCL_SVC_ID *p_result) +{ + tBTA_GATT_STATUS status; + + if (!p_start_id || !p_result) + return BTA_GATT_ILLEGAL_PARAMETER; + + if ((status = bta_gattc_query_cache(conn_id, + BTA_GATTC_ATTR_TYPE_INCL_SRVC, + &p_start_id->srvc_id, + &p_start_id->incl_svc_id.id, + p_uuid_cond, + &p_result->incl_svc_id.id, + (tBTA_GATT_CHAR_PROP *)&p_result->incl_svc_id.is_primary)) + == BTA_GATT_OK) + { + memcpy(&p_result->srvc_id, &p_start_id->srvc_id, sizeof(tBTA_GATT_SRVC_ID)); + } + + return status; +} + +/******************************************************************************* +** +** Function BTA_GATTC_ReadCharacteristic +** +** Description This function is called to read a service's characteristics of +** the given characteritisc ID. +** +** Parameters conn_id - connectino ID. +** p_char_id - characteritic ID to read. +** +** Returns None +** +*******************************************************************************/ +void BTA_GATTC_ReadCharacteristic(UINT16 conn_id, tBTA_GATTC_CHAR_ID *p_char_id, + tBTA_GATT_AUTH_REQ auth_req) +{ + tBTA_GATTC_API_READ *p_buf; + + if ((p_buf = (tBTA_GATTC_API_READ *) GKI_getbuf(sizeof(tBTA_GATTC_API_READ))) != NULL) + { + memset(p_buf, 0, sizeof(tBTA_GATTC_API_READ)); + + p_buf->hdr.event = BTA_GATTC_API_READ_EVT; + p_buf->hdr.layer_specific = conn_id; + p_buf->auth_req = auth_req; + + memcpy(&p_buf->srvc_id, &p_char_id->srvc_id, sizeof(tBTA_GATT_SRVC_ID)); + memcpy(&p_buf->char_id, &p_char_id->char_id, sizeof(tBTA_GATT_ID)); + + bta_sys_sendmsg(p_buf); + } + return; +} + +/******************************************************************************* +** +** Function BTA_GATTC_ReadCharDescr +** +** Description This function is called to read a characteristics descriptor. +** +** Parameters conn_id - connection ID. +** p_char_descr_id - characteritic descriptor ID to read. +** +** Returns None +** +*******************************************************************************/ +void BTA_GATTC_ReadCharDescr (UINT16 conn_id, + tBTA_GATTC_CHAR_DESCR_ID *p_descr_id, + tBTA_GATT_AUTH_REQ auth_req) +{ + tBTA_GATTC_API_READ *p_buf; + + if ((p_buf = (tBTA_GATTC_API_READ *) GKI_getbuf(sizeof(tBTA_GATTC_API_READ))) != NULL) + { + memset(p_buf, 0, sizeof(tBTA_GATTC_API_READ)); + + p_buf->hdr.event = BTA_GATTC_API_READ_EVT; + p_buf->hdr.layer_specific = conn_id; + p_buf->auth_req = auth_req; + + memcpy(&p_buf->srvc_id, &p_descr_id->char_id.srvc_id, sizeof(tBTA_GATT_SRVC_ID)); + memcpy(&p_buf->char_id, &p_descr_id->char_id.char_id, sizeof(tBTA_GATT_ID)); + memcpy(&p_buf->descr_type, &p_descr_id->descr_type, sizeof(tBT_UUID)); + + bta_sys_sendmsg(p_buf); + } + return; + +} +/******************************************************************************* +** +** Function BTA_GATTC_ReadMultiple +** +** Description This function is called to read multiple characteristic or +** characteristic descriptors. +** +** Parameters conn_id - connectino ID. +** p_read_multi - pointer to the read multiple parameter. +** +** Returns None +** +*******************************************************************************/ +void BTA_GATTC_ReadMultiple(UINT16 conn_id, tBTA_GATTC_MULTI *p_read_multi, + tBTA_GATT_AUTH_REQ auth_req) +{ + tBTA_GATTC_API_READ_MULTI *p_buf; + tBTA_GATTC_ATTR_ID *p_value; + UINT16 len = (UINT16)(sizeof(tBTA_GATTC_API_READ_MULTI) + + p_read_multi->num_attr * sizeof(tBTA_GATTC_ATTR_ID)); + UINT8 i; + + if ((p_buf = (tBTA_GATTC_API_READ_MULTI *) GKI_getbuf(len)) != NULL) + { + memset(p_buf, 0, len); + + p_buf->hdr.event = BTA_GATTC_API_READ_MULTI_EVT; + p_buf->hdr.layer_specific = conn_id; + p_buf->auth_req = auth_req; + + p_buf->num_attr = p_read_multi->num_attr; + + if (p_buf->num_attr > 0) + { + p_buf->p_id_list = p_value = (tBTA_GATTC_ATTR_ID *)(p_buf + 1); + + for (i = 0; i < p_buf->num_attr; i ++, p_value ++) + { + memcpy(p_value, &p_read_multi->id_list[i], sizeof(tBTA_GATTC_ATTR_ID)); + } + } + bta_sys_sendmsg(p_buf); + } + return; +} + + +/******************************************************************************* +** +** Function BTA_GATTC_WriteCharValue +** +** Description This function is called to write characteristic value. +** +** Parameters conn_id - connection ID. +** p_char_id - characteristic ID to write. +** write_type - type of write. +** len: length of the data to be written. +** p_value - the value to be written. +** +** Returns None +** +*******************************************************************************/ +void BTA_GATTC_WriteCharValue ( UINT16 conn_id, + tBTA_GATTC_CHAR_ID *p_char_id, + tBTA_GATTC_WRITE_TYPE write_type, + UINT16 len, + UINT8 *p_value, + tBTA_GATT_AUTH_REQ auth_req) +{ + tBTA_GATTC_API_WRITE *p_buf; + + if ((p_buf = (tBTA_GATTC_API_WRITE *) GKI_getbuf((UINT16)(sizeof(tBTA_GATTC_API_WRITE) + len))) != NULL) + { + memset(p_buf, 0, sizeof(tBTA_GATTC_API_WRITE) + len); + + p_buf->hdr.event = BTA_GATTC_API_WRITE_EVT; + p_buf->hdr.layer_specific = conn_id; + p_buf->auth_req = auth_req; + + memcpy(&p_buf->srvc_id, &p_char_id->srvc_id, sizeof(tBTA_GATT_SRVC_ID)); + memcpy(&p_buf->char_id, &p_char_id->char_id, sizeof(tBTA_GATT_ID)); + + p_buf->write_type = write_type; + p_buf->len = len; + + if (p_value && len > 0) + { + p_buf->p_value = (UINT8 *)(p_buf + 1); + memcpy(p_buf->p_value, p_value, len); + } + + bta_sys_sendmsg(p_buf); + } + return; +} +/******************************************************************************* +** +** Function BTA_GATTC_WriteCharDescr +** +** Description This function is called to write characteristic descriptor value. +** +** Parameters conn_id - connection ID +** p_char_descr_id - characteristic descriptor ID to write. +** write_type - write type. +** p_value - the value to be written. +** +** Returns None +** +*******************************************************************************/ +void BTA_GATTC_WriteCharDescr (UINT16 conn_id, + tBTA_GATTC_CHAR_DESCR_ID *p_char_descr_id, + tBTA_GATTC_WRITE_TYPE write_type, + tBTA_GATT_UNFMT *p_data, + tBTA_GATT_AUTH_REQ auth_req) +{ + tBTA_GATTC_API_WRITE *p_buf; + UINT16 len = sizeof(tBTA_GATTC_API_WRITE) + p_data->len; + + if ((p_buf = (tBTA_GATTC_API_WRITE *) GKI_getbuf(len)) != NULL) + { + memset(p_buf, 0, len); + + p_buf->hdr.event = BTA_GATTC_API_WRITE_EVT; + p_buf->hdr.layer_specific = conn_id; + p_buf->auth_req = auth_req; + + memcpy(&p_buf->srvc_id, &p_char_descr_id->char_id.srvc_id, sizeof(tBTA_GATT_SRVC_ID)); + memcpy(&p_buf->char_id, &p_char_descr_id->char_id.char_id, sizeof(tBTA_GATT_ID)); + memcpy(&p_buf->descr_type, &p_char_descr_id->descr_type, sizeof(tBT_UUID)); + p_buf->write_type = write_type; + + if (p_data && p_data->len != 0) + { + p_buf->p_value = (UINT8 *)(p_buf + 1); + p_buf->len = p_data->len; + /* pack the descr data */ + memcpy(p_buf->p_value, p_data->p_value, p_data->len); + } + + bta_sys_sendmsg(p_buf); + } + return; + +} +/******************************************************************************* +** +** Function BTA_GATTC_PrepareWrite +** +** Description This function is called to prepare write a characteristic value. +** +** Parameters conn_id - connection ID. +** p_char_id - GATT characteritic ID of the service. +** offset - offset of the write value. +** len: length of the data to be written. +** p_value - the value to be written. +** +** Returns None +** +*******************************************************************************/ +void BTA_GATTC_PrepareWrite (UINT16 conn_id, tBTA_GATTC_CHAR_ID *p_char_id, + UINT16 offset, UINT16 len, UINT8 *p_value, + tBTA_GATT_AUTH_REQ auth_req) +{ + tBTA_GATTC_API_WRITE *p_buf; + + if ((p_buf = (tBTA_GATTC_API_WRITE *) GKI_getbuf((UINT16)(sizeof(tBTA_GATTC_API_WRITE) + len))) != NULL) + { + memset(p_buf, 0, sizeof(tBTA_GATTC_API_WRITE) + len); + + p_buf->hdr.event = BTA_GATTC_API_WRITE_EVT; + p_buf->hdr.layer_specific = conn_id; + p_buf->auth_req = auth_req; + + memcpy(&p_buf->srvc_id, &p_char_id->srvc_id, sizeof(tBTA_GATT_SRVC_ID)); + memcpy(&p_buf->char_id, &p_char_id->char_id, sizeof(tBTA_GATT_ID)); + + p_buf->write_type = BTA_GATTC_WRITE_PREPARE; + p_buf->offset = offset; + p_buf->len = len; + + if (p_value && len > 0) + { + p_buf->p_value = (UINT8 *)(p_buf + 1); + memcpy(p_buf->p_value, p_value, len); + } + + bta_sys_sendmsg(p_buf); + } + return; + +} +/******************************************************************************* +** +** Function BTA_GATTC_ExecuteWrite +** +** Description This function is called to execute write a prepare write sequence. +** +** Parameters conn_id - connection ID. +** is_execute - execute or cancel. +** +** Returns None +** +*******************************************************************************/ +void BTA_GATTC_ExecuteWrite (UINT16 conn_id, BOOLEAN is_execute) +{ + tBTA_GATTC_API_EXEC *p_buf; + + if ((p_buf = (tBTA_GATTC_API_EXEC *) GKI_getbuf((UINT16)sizeof(tBTA_GATTC_API_EXEC))) != NULL) + { + memset(p_buf, 0, sizeof(tBTA_GATTC_API_EXEC)); + + p_buf->hdr.event = BTA_GATTC_API_EXEC_EVT; + p_buf->hdr.layer_specific = conn_id; + + p_buf->is_execute = is_execute; + + bta_sys_sendmsg(p_buf); + } + return; + +} +/******************************************************************************* +** +** Function BTA_GATTC_SendIndConfirm +** +** Description This function is called to send handle value confirmation. +** +** Parameters conn_id - connection ID. +** p_char_id - characteristic ID to confirm. +** +** Returns None +** +*******************************************************************************/ +void BTA_GATTC_SendIndConfirm (UINT16 conn_id, tBTA_GATTC_CHAR_ID *p_char_id) +{ + tBTA_GATTC_API_CONFIRM *p_buf; + + APPL_TRACE_API3("BTA_GATTC_SendIndConfirm conn_id=%d service uuid1=0x%x char uuid=0x%x", + conn_id, p_char_id->srvc_id.id.uuid.uu.uuid16, p_char_id->char_id.uuid.uu.uuid16); //toto + + if ((p_buf = (tBTA_GATTC_API_CONFIRM *) GKI_getbuf(sizeof(tBTA_GATTC_API_CONFIRM))) != NULL) + { + memset(p_buf, 0, sizeof(tBTA_GATTC_API_CONFIRM)); + + p_buf->hdr.event = BTA_GATTC_API_CONFIRM_EVT; + p_buf->hdr.layer_specific = conn_id; + + memcpy(&p_buf->srvc_id, &p_char_id->srvc_id, sizeof(tBTA_GATT_SRVC_ID)); + memcpy(&p_buf->char_id, &p_char_id->char_id, sizeof(tBTA_GATT_ID)); + + bta_sys_sendmsg(p_buf); + } + return; + +} + +/******************************************************************************* +** +** Function BTA_GATTC_RegisterForNotifications +** +** Description This function is called to register for notification of a service. +** +** Parameters client_if - client interface. +** bda - target GATT server. +** p_char_id - pointer to GATT characteristic ID. +** +** Returns OK if registration succeed, otherwise failed. +** +*******************************************************************************/ +tBTA_GATT_STATUS BTA_GATTC_RegisterForNotifications (tBTA_GATTC_IF client_if, + BD_ADDR bda, + tBTA_GATTC_CHAR_ID *p_char_id) +{ + tBTA_GATTC_RCB *p_clreg; + tBTA_GATT_STATUS status = BTA_GATT_ILLEGAL_PARAMETER; + UINT8 i; + + if (!p_char_id) + { + APPL_TRACE_ERROR0("deregistration failed, unknow char id"); + return status; + } + + /* lock other GKI task */ + GKI_sched_lock(); + + if ((p_clreg = bta_gattc_cl_get_regcb(client_if)) != NULL) + { + for (i = 0; i < BTA_GATTC_NOTIF_REG_MAX; i ++) + { + if (!p_clreg->notif_reg[i].in_use) + { + memset(&p_clreg->notif_reg, 0, sizeof(tBTA_GATTC_NOTIF_REG)); + + p_clreg->notif_reg[i].in_use = TRUE; + memcpy(p_clreg->notif_reg[i].remote_bda, bda, BD_ADDR_LEN); + memcpy(&p_clreg->notif_reg[i].char_id, p_char_id, sizeof(tBTA_GATTC_CHAR_ID)); + + status = BTA_GATT_OK; + break; + } + } + if (i == BTA_GATTC_NOTIF_REG_MAX) + { + status = BTA_GATT_NO_RESOURCES; + APPL_TRACE_ERROR0("Max Notification Reached, registration failed."); + } + } + else + { + APPL_TRACE_ERROR1("Client_if: %d Not Registered", client_if); + } + + GKI_sched_unlock(); + + return status; +} + +/******************************************************************************* +** +** Function BTA_GATTC_DeregisterForNotifications +** +** Description This function is called to de-register for notification of a service. +** +** Parameters client_if - client interface. +** bda - target GATT server. +** p_char_id - pointer to GATT characteristic ID. +** +** Returns OK if deregistration succeed, otherwise failed. +** +*******************************************************************************/ +tBTA_GATT_STATUS BTA_GATTC_DeregisterForNotifications (tBTA_GATTC_IF client_if, + BD_ADDR bda, + tBTA_GATTC_CHAR_ID *p_char_id) +{ + tBTA_GATTC_RCB *p_clreg; + tBTA_GATT_STATUS status = BTA_GATT_ILLEGAL_PARAMETER; + UINT8 i; + + if (!p_char_id) + { + APPL_TRACE_ERROR0("deregistration failed, unknow char id"); + return status; + } + + /* lock other GKI task */ + GKI_sched_lock(); + + if ((p_clreg = bta_gattc_cl_get_regcb(client_if)) != NULL) + { + for (i = 0; i < BTA_GATTC_NOTIF_REG_MAX; i ++) + { + if (p_clreg->notif_reg[i].in_use && + !memcmp(p_clreg->notif_reg[i].remote_bda, bda, BD_ADDR_LEN) && + !memcmp(&p_clreg->notif_reg[i].char_id, p_char_id, sizeof(tBTA_GATTC_CHAR_ID))) + { + APPL_TRACE_DEBUG0("Deregistered."); + + memset(&p_clreg->notif_reg[i], 0, sizeof(tBTA_GATTC_NOTIF_REG)); + status = BTA_GATT_OK; + break; + } + } + if (i == BTA_GATTC_NOTIF_REG_MAX) + { + status = BTA_GATT_ERROR; + + APPL_TRACE_ERROR0("registration not found"); + } + } + else + { + APPL_TRACE_ERROR1("Client_if: %d Not Registered", client_if); + } + + GKI_sched_unlock(); + + return status; +} + +#endif /* BTA_GATT_INCLUDED */ |