| /****************************************************************************** |
| * |
| * 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" |
| |
| |
| /***************************************************************************** |
| ** Externs |
| *****************************************************************************/ |
| #if BTA_DYNAMIC_MEMORY == FALSE |
| extern tBTA_GATTC_CB bta_gattc_cb; |
| #endif |
| |
| /***************************************************************************** |
| ** 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_Init |
| ** |
| ** Description This function is called to initalize GATTC module |
| ** |
| ** Parameters None |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_Init() |
| { |
| memset(&bta_gattc_cb, 0, sizeof(tBTA_GATTC_CB)); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** 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 characteristic 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 characteristic 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 characteristic descriptor of the |
| ** characteristic 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 characteristic descriptor |
| ** of the characterisctic. |
| ** |
| ** 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); |
| |
| if (p_data != NULL) |
| len += 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); |
| |
| 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 && |
| !memcmp(p_clreg->notif_reg[i].remote_bda, bda, BD_ADDR_LEN) && |
| bta_gattc_charid_compare(&p_clreg->notif_reg[i].char_id, p_char_id)) |
| { |
| APPL_TRACE_WARNING0("notification already registered"); |
| status = BTA_GATT_OK; |
| break; |
| } |
| } |
| if (status != BTA_GATT_OK) |
| { |
| for (i = 0; i < BTA_GATTC_NOTIF_REG_MAX; i ++) |
| { |
| if (!p_clreg->notif_reg[i].in_use) |
| { |
| memset((void *)&p_clreg->notif_reg[i], 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); |
| |
| p_clreg->notif_reg[i].char_id.srvc_id.is_primary = p_char_id->srvc_id.is_primary; |
| bta_gattc_cpygattid(&p_clreg->notif_reg[i].char_id.srvc_id.id, &p_char_id->srvc_id.id); |
| bta_gattc_cpygattid(&p_clreg->notif_reg[i].char_id.char_id, &p_char_id->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) && |
| bta_gattc_charid_compare(&p_clreg->notif_reg[i].char_id, p_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; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTA_GATTC_Refresh |
| ** |
| ** Description Refresh the server cache of the remote device |
| ** |
| ** Parameters remote_bda: remote device BD address. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void BTA_GATTC_Refresh(BD_ADDR remote_bda) |
| { |
| 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_REFRESH_EVT; |
| |
| memcpy(p_buf->remote_bda, remote_bda, BD_ADDR_LEN); |
| |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| return; |
| } |
| #endif /* BTA_GATT_INCLUDED */ |
| |
