| /****************************************************************************** |
| * |
| * Copyright 2003-2012 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 file contains the GATT client main functions and state machine. |
| * |
| ******************************************************************************/ |
| |
| #include <base/logging.h> |
| #include <base/strings/stringprintf.h> |
| |
| #include "bt_target.h" // Must be first to define build configuration" |
| #include "bta/gatt/bta_gattc_int.h" |
| #include "stack/include/bt_hdr.h" |
| |
| using base::StringPrintf; |
| |
| /***************************************************************************** |
| * Constants and types |
| ****************************************************************************/ |
| |
| /* state machine action enumeration list */ |
| enum { |
| BTA_GATTC_OPEN, |
| BTA_GATTC_OPEN_FAIL, |
| BTA_GATTC_OPEN_ERROR, |
| BTA_GATTC_CANCEL_OPEN, |
| BTA_GATTC_CANCEL_OPEN_OK, |
| BTA_GATTC_CANCEL_OPEN_ERROR, |
| BTA_GATTC_CONN, |
| BTA_GATTC_START_DISCOVER, |
| BTA_GATTC_DISC_CMPL, |
| BTA_GATTC_Q_CMD, |
| BTA_GATTC_CLOSE, |
| BTA_GATTC_CLOSE_FAIL, |
| BTA_GATTC_READ, |
| BTA_GATTC_WRITE, |
| BTA_GATTC_OP_CMPL, |
| BTA_GATTC_SEARCH, |
| BTA_GATTC_FAIL, |
| BTA_GATTC_CONFIRM, |
| BTA_GATTC_EXEC, |
| BTA_GATTC_READ_MULTI, |
| BTA_GATTC_OP_CMPL_DURING_DISCOVERY, |
| BTA_GATTC_DISC_CLOSE, |
| BTA_GATTC_RESTART_DISCOVER, |
| BTA_GATTC_CFG_MTU, |
| |
| BTA_GATTC_IGNORE |
| }; |
| /* type for action functions */ |
| typedef void (*tBTA_GATTC_ACTION)(tBTA_GATTC_CLCB* p_clcb, |
| const tBTA_GATTC_DATA* p_data); |
| |
| /* action function list */ |
| const tBTA_GATTC_ACTION bta_gattc_action[] = { |
| bta_gattc_open, /* BTA_GATTC_OPEN */ |
| bta_gattc_open_fail, /* BTA_GATTC_OPEN_FAIL */ |
| bta_gattc_open_error, /* BTA_GATTC_OPEN_ERROR */ |
| bta_gattc_cancel_open, /* BTA_GATTC_CANCEL_OPEN */ |
| bta_gattc_cancel_open_ok, /* BTA_GATTC_CANCEL_OPEN_OK */ |
| bta_gattc_cancel_open_error, /* BTA_GATTC_CANCEL_OPEN_ERROR */ |
| bta_gattc_conn, /* BTA_GATTC_CONN */ |
| bta_gattc_start_discover, /* BTA_GATTC_START_DISCOVER */ |
| bta_gattc_disc_cmpl, /* BTA_GATTC_DISC_CMPL */ |
| bta_gattc_q_cmd, /* BTA_GATTC_Q_CMD */ |
| bta_gattc_close, /* BTA_GATTC_CLOSE */ |
| bta_gattc_close_fail, /* BTA_GATTC_CLOSE_FAIL */ |
| bta_gattc_read, /* BTA_GATTC_READ */ |
| bta_gattc_write, /* BTA_GATTC_WRITE */ |
| bta_gattc_op_cmpl, /* BTA_GATTC_OP_CMPL */ |
| bta_gattc_search, /* BTA_GATTC_SEARCH */ |
| bta_gattc_fail, /* BTA_GATTC_FAIL */ |
| bta_gattc_confirm, /* BTA_GATTC_CONFIRM */ |
| bta_gattc_execute, /* BTA_GATTC_EXEC */ |
| bta_gattc_read_multi, /* BTA_GATTC_READ_MULTI */ |
| bta_gattc_op_cmpl_during_discovery, /* BTA_GATTC_OP_CMPL_DURING_DISCOVERY */ |
| bta_gattc_disc_close, /* BTA_GATTC_DISC_CLOSE */ |
| bta_gattc_restart_discover, /* BTA_GATTC_RESTART_DISCOVER */ |
| bta_gattc_cfg_mtu /* BTA_GATTC_CFG_MTU */ |
| }; |
| |
| /* state table information */ |
| #define BTA_GATTC_ACTIONS 1 /* number of actions */ |
| #define BTA_GATTC_NEXT_STATE 1 /* position of next state */ |
| #define BTA_GATTC_NUM_COLS 2 /* number of columns in state tables */ |
| |
| /* state table for idle state */ |
| static const uint8_t bta_gattc_st_idle[][BTA_GATTC_NUM_COLS] = { |
| /* Event Action 1 Next state */ |
| /* BTA_GATTC_API_OPEN_EVT */ {BTA_GATTC_OPEN, |
| BTA_GATTC_W4_CONN_ST}, |
| /* BTA_GATTC_INT_OPEN_FAIL_EVT */ {BTA_GATTC_IGNORE, |
| BTA_GATTC_IDLE_ST}, |
| /* BTA_GATTC_API_CANCEL_OPEN_EVT */ {BTA_GATTC_IGNORE, |
| BTA_GATTC_IDLE_ST}, |
| /* BTA_GATTC_INT_CANCEL_OPEN_OK_EVT */ {BTA_GATTC_IGNORE, |
| BTA_GATTC_IDLE_ST}, |
| |
| /* BTA_GATTC_API_READ_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST}, |
| /* BTA_GATTC_API_WRITE_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST}, |
| /* BTA_GATTC_API_EXEC_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST}, |
| /* BTA_GATTC_API_CFG_MTU_EVT */ {BTA_GATTC_IGNORE, |
| BTA_GATTC_IDLE_ST}, |
| |
| /* BTA_GATTC_API_CLOSE_EVT */ {BTA_GATTC_CLOSE_FAIL, |
| BTA_GATTC_IDLE_ST}, |
| |
| /* BTA_GATTC_API_SEARCH_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST}, |
| /* BTA_GATTC_API_CONFIRM_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST}, |
| /* BTA_GATTC_API_READ_MULTI_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST}, |
| |
| /* BTA_GATTC_INT_CONN_EVT */ {BTA_GATTC_CONN, BTA_GATTC_CONN_ST}, |
| /* BTA_GATTC_INT_DISCOVER_EVT */ {BTA_GATTC_IGNORE, |
| BTA_GATTC_IDLE_ST}, |
| /* BTA_GATTC_DISCOVER_CMPL_EVT */ {BTA_GATTC_IGNORE, |
| BTA_GATTC_IDLE_ST}, |
| /* BTA_GATTC_OP_CMPL_EVT */ {BTA_GATTC_IGNORE, |
| BTA_GATTC_IDLE_ST}, |
| /* BTA_GATTC_INT_DISCONN_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST}, |
| |
| }; |
| |
| /* state table for wait for open state */ |
| static const uint8_t bta_gattc_st_w4_conn[][BTA_GATTC_NUM_COLS] = { |
| /* Event Action 1 Next state */ |
| /* BTA_GATTC_API_OPEN_EVT */ {BTA_GATTC_OPEN, |
| BTA_GATTC_W4_CONN_ST}, |
| /* BTA_GATTC_INT_OPEN_FAIL_EVT */ {BTA_GATTC_OPEN_FAIL, |
| BTA_GATTC_IDLE_ST}, |
| /* BTA_GATTC_API_CANCEL_OPEN_EVT */ {BTA_GATTC_CANCEL_OPEN, |
| BTA_GATTC_W4_CONN_ST}, |
| /* BTA_GATTC_INT_CANCEL_OPEN_OK_EVT */ {BTA_GATTC_CANCEL_OPEN_OK, |
| BTA_GATTC_IDLE_ST}, |
| |
| /* BTA_GATTC_API_READ_EVT */ {BTA_GATTC_FAIL, |
| BTA_GATTC_W4_CONN_ST}, |
| /* BTA_GATTC_API_WRITE_EVT */ {BTA_GATTC_FAIL, |
| BTA_GATTC_W4_CONN_ST}, |
| /* BTA_GATTC_API_EXEC_EVT */ {BTA_GATTC_FAIL, |
| BTA_GATTC_W4_CONN_ST}, |
| /* BTA_GATTC_API_CFG_MTU_EVT */ {BTA_GATTC_IGNORE, |
| BTA_GATTC_W4_CONN_ST}, |
| |
| /* BTA_GATTC_API_CLOSE_EVT */ {BTA_GATTC_CANCEL_OPEN, |
| BTA_GATTC_W4_CONN_ST}, |
| |
| /* BTA_GATTC_API_SEARCH_EVT */ {BTA_GATTC_FAIL, |
| BTA_GATTC_W4_CONN_ST}, |
| /* BTA_GATTC_API_CONFIRM_EVT */ {BTA_GATTC_FAIL, |
| BTA_GATTC_W4_CONN_ST}, |
| /* BTA_GATTC_API_READ_MULTI_EVT */ {BTA_GATTC_FAIL, |
| BTA_GATTC_W4_CONN_ST}, |
| |
| /* BTA_GATTC_INT_CONN_EVT */ {BTA_GATTC_CONN, BTA_GATTC_CONN_ST}, |
| /* BTA_GATTC_INT_DISCOVER_EVT */ {BTA_GATTC_IGNORE, |
| BTA_GATTC_W4_CONN_ST}, |
| /* BTA_GATTC_DISCOVER_CMPL_EVT */ {BTA_GATTC_IGNORE, |
| BTA_GATTC_W4_CONN_ST}, |
| /* BTA_GATTC_OP_CMPL_EVT */ {BTA_GATTC_IGNORE, |
| BTA_GATTC_W4_CONN_ST}, |
| /* BTA_GATTC_INT_DISCONN_EVT */ {BTA_GATTC_OPEN_FAIL, |
| BTA_GATTC_IDLE_ST}, |
| |
| }; |
| |
| /* state table for open state */ |
| static const uint8_t bta_gattc_st_connected[][BTA_GATTC_NUM_COLS] = { |
| /* Event Action 1 Next state */ |
| /* BTA_GATTC_API_OPEN_EVT */ {BTA_GATTC_OPEN, BTA_GATTC_CONN_ST}, |
| /* BTA_GATTC_INT_OPEN_FAIL_EVT */ {BTA_GATTC_IGNORE, |
| BTA_GATTC_CONN_ST}, |
| /* BTA_GATTC_API_CANCEL_OPEN_EVT */ {BTA_GATTC_CANCEL_OPEN_ERROR, |
| BTA_GATTC_CONN_ST}, |
| /* BTA_GATTC_INT_CANCEL_OPEN_OK_EVT */ {BTA_GATTC_IGNORE, |
| BTA_GATTC_CONN_ST}, |
| |
| /* BTA_GATTC_API_READ_EVT */ {BTA_GATTC_READ, BTA_GATTC_CONN_ST}, |
| /* BTA_GATTC_API_WRITE_EVT */ {BTA_GATTC_WRITE, BTA_GATTC_CONN_ST}, |
| /* BTA_GATTC_API_EXEC_EVT */ {BTA_GATTC_EXEC, BTA_GATTC_CONN_ST}, |
| /* BTA_GATTC_API_CFG_MTU_EVT */ {BTA_GATTC_CFG_MTU, |
| BTA_GATTC_CONN_ST}, |
| |
| /* BTA_GATTC_API_CLOSE_EVT */ {BTA_GATTC_CLOSE, BTA_GATTC_IDLE_ST}, |
| |
| /* BTA_GATTC_API_SEARCH_EVT */ {BTA_GATTC_SEARCH, |
| BTA_GATTC_CONN_ST}, |
| /* BTA_GATTC_API_CONFIRM_EVT */ {BTA_GATTC_CONFIRM, |
| BTA_GATTC_CONN_ST}, |
| /* BTA_GATTC_API_READ_MULTI_EVT */ {BTA_GATTC_READ_MULTI, |
| BTA_GATTC_CONN_ST}, |
| |
| /* BTA_GATTC_INT_CONN_EVT */ {BTA_GATTC_IGNORE, |
| BTA_GATTC_CONN_ST}, |
| /* BTA_GATTC_INT_DISCOVER_EVT */ {BTA_GATTC_START_DISCOVER, |
| BTA_GATTC_DISCOVER_ST}, |
| /* BTA_GATTC_DISCOVER_CMPL_EVT */ {BTA_GATTC_IGNORE, |
| BTA_GATTC_CONN_ST}, |
| /* BTA_GATTC_OP_CMPL_EVT */ {BTA_GATTC_OP_CMPL, |
| BTA_GATTC_CONN_ST}, |
| |
| /* BTA_GATTC_INT_DISCONN_EVT */ {BTA_GATTC_CLOSE, BTA_GATTC_IDLE_ST}, |
| |
| }; |
| |
| /* state table for discover state */ |
| static const uint8_t bta_gattc_st_discover[][BTA_GATTC_NUM_COLS] = { |
| /* Event Action 1 Next state */ |
| /* BTA_GATTC_API_OPEN_EVT */ {BTA_GATTC_OPEN, |
| BTA_GATTC_DISCOVER_ST}, |
| /* BTA_GATTC_INT_OPEN_FAIL_EVT */ {BTA_GATTC_IGNORE, |
| BTA_GATTC_DISCOVER_ST}, |
| /* BTA_GATTC_API_CANCEL_OPEN_EVT */ {BTA_GATTC_CANCEL_OPEN_ERROR, |
| BTA_GATTC_DISCOVER_ST}, |
| /* BTA_GATTC_INT_CANCEL_OPEN_OK_EVT */ {BTA_GATTC_FAIL, |
| BTA_GATTC_DISCOVER_ST}, |
| |
| /* BTA_GATTC_API_READ_EVT */ {BTA_GATTC_Q_CMD, |
| BTA_GATTC_DISCOVER_ST}, |
| /* BTA_GATTC_API_WRITE_EVT */ {BTA_GATTC_Q_CMD, |
| BTA_GATTC_DISCOVER_ST}, |
| /* BTA_GATTC_API_EXEC_EVT */ {BTA_GATTC_Q_CMD, |
| BTA_GATTC_DISCOVER_ST}, |
| /* BTA_GATTC_API_CFG_MTU_EVT */ {BTA_GATTC_Q_CMD, |
| BTA_GATTC_DISCOVER_ST}, |
| |
| /* BTA_GATTC_API_CLOSE_EVT */ {BTA_GATTC_DISC_CLOSE, |
| BTA_GATTC_DISCOVER_ST}, |
| |
| /* BTA_GATTC_API_SEARCH_EVT */ {BTA_GATTC_Q_CMD, |
| BTA_GATTC_DISCOVER_ST}, |
| /* BTA_GATTC_API_CONFIRM_EVT */ {BTA_GATTC_CONFIRM, |
| BTA_GATTC_DISCOVER_ST}, |
| /* BTA_GATTC_API_READ_MULTI_EVT */ {BTA_GATTC_Q_CMD, |
| BTA_GATTC_DISCOVER_ST}, |
| |
| /* BTA_GATTC_INT_CONN_EVT */ {BTA_GATTC_CONN, |
| BTA_GATTC_DISCOVER_ST}, |
| /* BTA_GATTC_INT_DISCOVER_EVT */ {BTA_GATTC_RESTART_DISCOVER, |
| BTA_GATTC_DISCOVER_ST}, |
| /* BTA_GATTC_DISCOVER_CMPL_EVT */ {BTA_GATTC_DISC_CMPL, |
| BTA_GATTC_CONN_ST}, |
| /* BTA_GATTC_OP_CMPL_EVT */ {BTA_GATTC_OP_CMPL_DURING_DISCOVERY, |
| BTA_GATTC_DISCOVER_ST}, |
| /* BTA_GATTC_INT_DISCONN_EVT */ {BTA_GATTC_CLOSE, BTA_GATTC_IDLE_ST}, |
| |
| }; |
| |
| /* type for state table */ |
| typedef const uint8_t (*tBTA_GATTC_ST_TBL)[BTA_GATTC_NUM_COLS]; |
| |
| /* state table */ |
| const tBTA_GATTC_ST_TBL bta_gattc_st_tbl[] = { |
| bta_gattc_st_idle, /* BTA_GATTC_IDLE_ST */ |
| bta_gattc_st_w4_conn, /* BTA_GATTC_W4_CONN_ST */ |
| bta_gattc_st_connected, /* BTA_GATTC_CONN_ST */ |
| bta_gattc_st_discover /* BTA_GATTC_DISCOVER_ST */ |
| }; |
| |
| /***************************************************************************** |
| * Global data |
| ****************************************************************************/ |
| |
| /* GATTC control block */ |
| tBTA_GATTC_CB bta_gattc_cb; |
| |
| #if (BTA_GATT_DEBUG == TRUE) |
| static const char* gattc_evt_code(tBTA_GATTC_INT_EVT evt_code); |
| static const char* gattc_state_code(tBTA_GATTC_STATE state_code); |
| #endif |
| |
| /******************************************************************************* |
| * |
| * Function bta_gattc_sm_execute |
| * |
| * Description State machine event handling function for GATTC |
| * |
| * |
| * Returns bool : true if queued client request buffer can be |
| * immediately released, else false |
| * |
| ******************************************************************************/ |
| bool bta_gattc_sm_execute(tBTA_GATTC_CLCB* p_clcb, uint16_t event, |
| const tBTA_GATTC_DATA* p_data) { |
| tBTA_GATTC_ST_TBL state_table; |
| uint8_t action; |
| int i; |
| bool rt = true; |
| tBTA_GATTC_STATE in_state = p_clcb->state; |
| uint16_t in_event = event; |
| #if (BTA_GATT_DEBUG == TRUE) |
| VLOG(1) << StringPrintf("%s: State 0x%02x [%s], Event 0x%x[%s]", __func__, |
| in_state, gattc_state_code(in_state), in_event, |
| gattc_evt_code(in_event)); |
| #else |
| VLOG(1) << StringPrintf("%s: State 0x%02x, Event 0x%x", __func__, in_state, |
| in_event); |
| #endif |
| |
| /* look up the state table for the current state */ |
| state_table = bta_gattc_st_tbl[p_clcb->state]; |
| |
| event &= 0x00FF; |
| |
| /* set next state */ |
| p_clcb->state = state_table[event][BTA_GATTC_NEXT_STATE]; |
| |
| /* execute action functions */ |
| for (i = 0; i < BTA_GATTC_ACTIONS; i++) { |
| action = state_table[event][i]; |
| if (action != BTA_GATTC_IGNORE) { |
| (*bta_gattc_action[action])(p_clcb, p_data); |
| if (p_clcb->p_q_cmd == p_data) { |
| /* buffer is queued, don't free in the bta dispatcher. |
| * we free it ourselves when a completion event is received. |
| */ |
| rt = false; |
| } |
| } else { |
| break; |
| } |
| } |
| |
| #if (BTA_GATT_DEBUG == TRUE) |
| if (in_state != p_clcb->state) { |
| VLOG(1) << StringPrintf("GATTC State Change: [%s] -> [%s] after Event [%s]", |
| gattc_state_code(in_state), |
| gattc_state_code(p_clcb->state), |
| gattc_evt_code(in_event)); |
| } |
| #else |
| VLOG(1) << StringPrintf( |
| "%s: GATTC State Change: 0x%02x -> 0x%02x after Event 0x%x", __func__, |
| in_state, p_clcb->state, in_event); |
| #endif |
| return rt; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function bta_gattc_hdl_event |
| * |
| * Description GATT client main event handling function. |
| * |
| * |
| * Returns bool |
| * |
| ******************************************************************************/ |
| bool bta_gattc_hdl_event(BT_HDR_RIGID* p_msg) { |
| tBTA_GATTC_CLCB* p_clcb = NULL; |
| bool rt = true; |
| #if (BTA_GATT_DEBUG == TRUE) |
| VLOG(1) << __func__ << ": Event:" << gattc_evt_code(p_msg->event); |
| #endif |
| switch (p_msg->event) { |
| |
| case BTA_GATTC_API_OPEN_EVT: |
| bta_gattc_process_api_open((tBTA_GATTC_DATA*)p_msg); |
| break; |
| |
| case BTA_GATTC_API_CANCEL_OPEN_EVT: |
| bta_gattc_process_api_open_cancel((tBTA_GATTC_DATA*)p_msg); |
| break; |
| |
| default: |
| if (p_msg->event == BTA_GATTC_INT_CONN_EVT) |
| p_clcb = bta_gattc_find_int_conn_clcb((tBTA_GATTC_DATA*)p_msg); |
| else if (p_msg->event == BTA_GATTC_INT_DISCONN_EVT) |
| p_clcb = bta_gattc_find_int_disconn_clcb((tBTA_GATTC_DATA*)p_msg); |
| else |
| p_clcb = bta_gattc_find_clcb_by_conn_id(p_msg->layer_specific); |
| |
| if (p_clcb != NULL) { |
| rt = bta_gattc_sm_execute(p_clcb, p_msg->event, |
| (const tBTA_GATTC_DATA*)p_msg); |
| } else { |
| VLOG(1) << "Ignore unknown conn ID: " << +p_msg->layer_specific; |
| } |
| |
| break; |
| } |
| |
| return rt; |
| } |
| |
| /***************************************************************************** |
| * Debug Functions |
| ****************************************************************************/ |
| #if (BTA_GATT_DEBUG == TRUE) |
| |
| /******************************************************************************* |
| * |
| * Function gattc_evt_code |
| * |
| * Description |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static const char* gattc_evt_code(tBTA_GATTC_INT_EVT evt_code) { |
| switch (evt_code) { |
| case BTA_GATTC_API_OPEN_EVT: |
| return "BTA_GATTC_API_OPEN_EVT"; |
| case BTA_GATTC_INT_OPEN_FAIL_EVT: |
| return "BTA_GATTC_INT_OPEN_FAIL_EVT"; |
| case BTA_GATTC_API_CANCEL_OPEN_EVT: |
| return "BTA_GATTC_API_CANCEL_OPEN_EVT"; |
| case BTA_GATTC_INT_CANCEL_OPEN_OK_EVT: |
| return "BTA_GATTC_INT_CANCEL_OPEN_OK_EVT"; |
| case BTA_GATTC_API_READ_EVT: |
| return "BTA_GATTC_API_READ_EVT"; |
| case BTA_GATTC_API_WRITE_EVT: |
| return "BTA_GATTC_API_WRITE_EVT"; |
| case BTA_GATTC_API_EXEC_EVT: |
| return "BTA_GATTC_API_EXEC_EVT"; |
| case BTA_GATTC_API_CLOSE_EVT: |
| return "BTA_GATTC_API_CLOSE_EVT"; |
| case BTA_GATTC_API_SEARCH_EVT: |
| return "BTA_GATTC_API_SEARCH_EVT"; |
| case BTA_GATTC_API_CONFIRM_EVT: |
| return "BTA_GATTC_API_CONFIRM_EVT"; |
| case BTA_GATTC_API_READ_MULTI_EVT: |
| return "BTA_GATTC_API_READ_MULTI_EVT"; |
| case BTA_GATTC_INT_CONN_EVT: |
| return "BTA_GATTC_INT_CONN_EVT"; |
| case BTA_GATTC_INT_DISCOVER_EVT: |
| return "BTA_GATTC_INT_DISCOVER_EVT"; |
| case BTA_GATTC_DISCOVER_CMPL_EVT: |
| return "BTA_GATTC_DISCOVER_CMPL_EVT"; |
| case BTA_GATTC_OP_CMPL_EVT: |
| return "BTA_GATTC_OP_CMPL_EVT"; |
| case BTA_GATTC_INT_DISCONN_EVT: |
| return "BTA_GATTC_INT_DISCONN_EVT"; |
| case BTA_GATTC_API_CFG_MTU_EVT: |
| return "BTA_GATTC_API_CFG_MTU_EVT"; |
| default: |
| return "unknown GATTC event code"; |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function gattc_state_code |
| * |
| * Description |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| static const char* gattc_state_code(tBTA_GATTC_STATE state_code) { |
| switch (state_code) { |
| case BTA_GATTC_IDLE_ST: |
| return "GATTC_IDLE_ST"; |
| case BTA_GATTC_W4_CONN_ST: |
| return "GATTC_W4_CONN_ST"; |
| case BTA_GATTC_CONN_ST: |
| return "GATTC_CONN_ST"; |
| case BTA_GATTC_DISCOVER_ST: |
| return "GATTC_DISCOVER_ST"; |
| default: |
| return "unknown GATTC state code"; |
| } |
| } |
| |
| #endif /* Debug Functions */ |
