526 lines
14 KiB
C
526 lines
14 KiB
C
/* Bluetooth Mesh */
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/*
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* Copyright (c) 2017 Intel Corporation
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* Additional Copyright (c) 2018 Espressif Systems (Shanghai) PTE LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <string.h>
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#include <errno.h>
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#include <stdbool.h>
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#include "sdkconfig.h"
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#define BT_DBG_ENABLED IS_ENABLED(CONFIG_BLE_MESH_DEBUG_MODEL)
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#include "mesh_types.h"
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#include "mesh_util.h"
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#include "mesh_trace.h"
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#include "health_srv.h"
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#include "mesh.h"
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#include "adv.h"
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#include "net.h"
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#include "transport.h"
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#include "access.h"
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#include "foundation.h"
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#include "mesh_common.h"
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#include "btc_ble_mesh_health_model.h"
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#define HEALTH_TEST_STANDARD 0x00
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#define HEALTH_NO_FAULT 0x00
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/* Health Server context of the primary element */
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struct bt_mesh_health_srv *health_srv;
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/**
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* When an Element receives a Health Fault Get, or a Health Fault Test, or
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* a Health Fault Test Unacknowledged, or a Health Fault Clear, or a Health
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* Fault Clear Unacknowledged message that is not successfully processed
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* (i.e. the Company ID field that does not identify any Health Fault state
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* present in the node), it shall ignore the message.
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* The Health Fault state is identified by Company ID and may be present in
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* the node for more than one Company ID.
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*/
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static u8_t health_get_curr_fault_count(struct bt_mesh_model *model)
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{
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struct bt_mesh_health_srv *srv = model->user_data;
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u8_t count = 0;
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size_t i;
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for (i = 0U; i < ARRAY_SIZE(srv->test.curr_faults); i++) {
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if (srv->test.curr_faults[i] != HEALTH_NO_FAULT) {
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count++;
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}
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}
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return count;
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}
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static void health_get_fault_value(struct bt_mesh_model *model,
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struct net_buf_simple *msg,
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bool current)
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{
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struct bt_mesh_health_srv *srv = model->user_data;
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size_t array_size;
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size_t i;
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array_size = current ? ARRAY_SIZE(srv->test.curr_faults) : ARRAY_SIZE(srv->test.reg_faults);
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for (i = 0U; i < array_size; i++) {
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if (net_buf_simple_tailroom(msg) == 0) {
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return;
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}
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u8_t fault = current ? srv->test.curr_faults[i] : srv->test.reg_faults[i];
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if (fault != HEALTH_NO_FAULT) {
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net_buf_simple_add_u8(msg, fault);
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}
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}
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}
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static bool health_is_test_id_exist(struct bt_mesh_model *model, u8_t test_id)
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{
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struct bt_mesh_health_srv *srv = model->user_data;
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u8_t i;
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for (i = 0U; i < srv->test.id_count; i++) {
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if (srv->test.test_ids[i] == test_id) {
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return true;
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}
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}
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return false;
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}
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static int health_send_fault_status(struct bt_mesh_model *model,
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struct bt_mesh_msg_ctx *ctx)
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{
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struct bt_mesh_health_srv *srv = model->user_data;
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struct net_buf_simple *msg = NULL;
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int err;
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msg = bt_mesh_alloc_buf(4 + ARRAY_SIZE(srv->test.reg_faults) + 4);
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if (!msg) {
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BT_ERR("%s, Failed to allocate memory", __func__);
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return -ENOMEM;
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}
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bt_mesh_model_msg_init(msg, OP_HEALTH_FAULT_STATUS);
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net_buf_simple_add_u8(msg, srv->test.prev_test_id);
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net_buf_simple_add_le16(msg, srv->test.company_id);
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if (ctx->recv_op != OP_HEALTH_FAULT_CLEAR) {
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/**
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* For Health Fault Clear, the FaultArray field in Health Fault Status
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* shall be empty.
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*/
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health_get_fault_value(model, msg, false);
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}
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err = bt_mesh_model_send(model, ctx, msg, NULL, NULL);
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if (err) {
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BT_ERR("%s, Failed to send Health Fault Status response", __func__);
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}
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bt_mesh_free_buf(msg);
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return err;
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}
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static void health_fault_get(struct bt_mesh_model *model,
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struct bt_mesh_msg_ctx *ctx,
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struct net_buf_simple *buf)
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{
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struct bt_mesh_health_srv *srv = model->user_data;
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u16_t company_id;
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if (!srv) {
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BT_ERR("%s, No Health Server context provided", __func__);
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return;
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}
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company_id = net_buf_simple_pull_le16(buf);
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if (company_id != srv->test.company_id) {
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BT_ERR("%s, Unknown Company ID 0x%04x", __func__, company_id);
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return;
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}
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BT_DBG("company_id 0x%04x", company_id);
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health_send_fault_status(model, ctx);
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}
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static void health_fault_clear(struct bt_mesh_model *model,
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struct bt_mesh_msg_ctx *ctx,
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struct net_buf_simple *buf)
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{
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struct bt_mesh_health_srv *srv = model->user_data;
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u16_t company_id;
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if (!srv) {
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BT_ERR("%s, No Health Server context provided", __func__);
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return;
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}
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company_id = net_buf_simple_pull_le16(buf);
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if (company_id != srv->test.company_id) {
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BT_ERR("%s, Unknown Company ID 0x%04x", __func__, company_id);
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return;
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}
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BT_DBG("company_id 0x%04x", company_id);
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memset(srv->test.reg_faults, HEALTH_NO_FAULT, ARRAY_SIZE(srv->test.reg_faults));
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if (srv->cb.fault_clear) {
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srv->cb.fault_clear(model, company_id);
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}
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if (ctx->recv_op == OP_HEALTH_FAULT_CLEAR) {
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health_send_fault_status(model, ctx);
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}
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}
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static void health_fault_test(struct bt_mesh_model *model,
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struct bt_mesh_msg_ctx *ctx,
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struct net_buf_simple *buf)
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{
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struct bt_mesh_health_srv *srv = model->user_data;
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u16_t company_id;
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u8_t test_id;
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BT_DBG("%s", __func__);
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if (!srv) {
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BT_ERR("%s, No Health Server context provided", __func__);
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return;
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}
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test_id = net_buf_simple_pull_u8(buf);
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if (health_is_test_id_exist(model, test_id) == false) {
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BT_ERR("%s, Unknown Test ID 0x%02x", __func__, test_id);
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return;
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}
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company_id = net_buf_simple_pull_le16(buf);
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if (company_id != srv->test.company_id) {
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BT_ERR("%s, Unknown Company ID 0x%04x", __func__, company_id);
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return;
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}
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BT_DBG("test 0x%02x company 0x%04x", test_id, company_id);
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srv->test.prev_test_id = test_id;
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if (srv->cb.fault_test) {
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srv->cb.fault_test(model, test_id, company_id);
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}
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if (ctx->recv_op == OP_HEALTH_FAULT_TEST) {
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health_send_fault_status(model, ctx);
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}
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}
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static void send_attention_status(struct bt_mesh_model *model,
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struct bt_mesh_msg_ctx *ctx)
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{
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/* Needed size: opcode (2 bytes) + msg + MIC */
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NET_BUF_SIMPLE_DEFINE(msg, 2 + 1 + 4);
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struct bt_mesh_health_srv *srv = model->user_data;
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u8_t time;
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if (!srv) {
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BT_ERR("%s, No Health Server context provided", __func__);
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return;
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}
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time = k_delayed_work_remaining_get(&srv->attn_timer) / 1000;
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BT_DBG("%u second%s", time, (time == 1U) ? "" : "s");
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bt_mesh_model_msg_init(&msg, OP_ATTENTION_STATUS);
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net_buf_simple_add_u8(&msg, time);
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if (bt_mesh_model_send(model, ctx, &msg, NULL, NULL)) {
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BT_ERR("%s, Unable to send Health Attention Status", __func__);
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}
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}
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static void attention_get(struct bt_mesh_model *model,
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struct bt_mesh_msg_ctx *ctx,
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struct net_buf_simple *buf)
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{
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BT_DBG("%s", __func__);
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send_attention_status(model, ctx);
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}
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static void health_set_attention(struct bt_mesh_model *model,
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struct bt_mesh_msg_ctx *ctx,
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struct net_buf_simple *buf)
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{
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u8_t time;
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time = net_buf_simple_pull_u8(buf);
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BT_DBG("%u second%s", time, (time == 1U) ? "" : "s");
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bt_mesh_attention(model, time);
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}
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static void attention_set(struct bt_mesh_model *model,
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struct bt_mesh_msg_ctx *ctx,
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struct net_buf_simple *buf)
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{
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BT_DBG("%s", __func__);
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health_set_attention(model, ctx, buf);
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if (ctx->recv_op == OP_ATTENTION_SET) {
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send_attention_status(model, ctx);
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}
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}
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static void send_health_period_status(struct bt_mesh_model *model,
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struct bt_mesh_msg_ctx *ctx)
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{
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/* Needed size: opcode (2 bytes) + msg + MIC */
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NET_BUF_SIMPLE_DEFINE(msg, 2 + 1 + 4);
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bt_mesh_model_msg_init(&msg, OP_HEALTH_PERIOD_STATUS);
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net_buf_simple_add_u8(&msg, model->pub->period_div);
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if (bt_mesh_model_send(model, ctx, &msg, NULL, NULL)) {
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BT_ERR("%s, Unable to send Health Period Status", __func__);
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}
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}
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static void health_period_get(struct bt_mesh_model *model,
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struct bt_mesh_msg_ctx *ctx,
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struct net_buf_simple *buf)
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{
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BT_DBG("%s", __func__);
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send_health_period_status(model, ctx);
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}
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static void health_set_period(struct bt_mesh_model *model,
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struct bt_mesh_msg_ctx *ctx,
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struct net_buf_simple *buf)
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{
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u8_t period;
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period = net_buf_simple_pull_u8(buf);
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if (period > 15) {
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BT_WARN("%s, Prohibited period value %u", __func__, period);
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return;
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}
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BT_DBG("period %u", period);
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model->pub->period_div = period;
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}
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static void health_period_set(struct bt_mesh_model *model,
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struct bt_mesh_msg_ctx *ctx,
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struct net_buf_simple *buf)
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{
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BT_DBG("%s", __func__);
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health_set_period(model, ctx, buf);
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if (ctx->recv_op == OP_HEALTH_PERIOD_SET) {
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send_health_period_status(model, ctx);
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}
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}
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const struct bt_mesh_model_op bt_mesh_health_srv_op[] = {
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{ OP_HEALTH_FAULT_GET, 2, health_fault_get },
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{ OP_HEALTH_FAULT_CLEAR, 2, health_fault_clear },
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{ OP_HEALTH_FAULT_CLEAR_UNREL, 2, health_fault_clear },
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{ OP_HEALTH_FAULT_TEST, 3, health_fault_test },
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{ OP_HEALTH_FAULT_TEST_UNREL, 3, health_fault_test },
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{ OP_HEALTH_PERIOD_GET, 0, health_period_get },
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{ OP_HEALTH_PERIOD_SET, 1, health_period_set },
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{ OP_HEALTH_PERIOD_SET_UNREL, 1, health_period_set },
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{ OP_ATTENTION_GET, 0, attention_get },
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{ OP_ATTENTION_SET, 1, attention_set },
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{ OP_ATTENTION_SET_UNREL, 1, attention_set },
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BLE_MESH_MODEL_OP_END,
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};
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static size_t health_get_current(struct bt_mesh_model *model,
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struct net_buf_simple *msg)
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{
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struct bt_mesh_health_srv *srv = model->user_data;
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if (!srv) {
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BT_ERR("%s, No Health Server context provided", __func__);
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return 0;
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}
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if (msg->size < 4) {
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BT_ERR("%s, Too small health publication msg size %d", __func__, msg->size);
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return 0;
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}
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bt_mesh_model_msg_init(msg, OP_HEALTH_CURRENT_STATUS);
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net_buf_simple_add_u8(msg, srv->test.prev_test_id);
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net_buf_simple_add_le16(msg, srv->test.company_id);
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health_get_fault_value(model, msg, true);
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return health_get_curr_fault_count(model);
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}
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static int health_pub_update(struct bt_mesh_model *model)
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{
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struct bt_mesh_model_pub *pub = model->pub;
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size_t count;
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BT_DBG("%s", __func__);
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if (!pub || !pub->msg) {
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BT_ERR("%s, Invalid health publication context", __func__);
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return -EINVAL;
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}
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count = health_get_current(model, pub->msg);
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if (count) {
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pub->fast_period = 1U;
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} else {
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pub->fast_period = 0U;
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}
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return 0;
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}
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int bt_mesh_fault_update(struct bt_mesh_elem *elem)
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{
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struct bt_mesh_model *model;
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model = bt_mesh_model_find(elem, BLE_MESH_MODEL_ID_HEALTH_SRV);
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if (!model) {
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BT_ERR("%s, Health Server does not exist", __func__);
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return -EINVAL;
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}
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if (!model->pub) {
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BT_ERR("%s, Health Server has no publication support", __func__);
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return -EINVAL;
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}
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/* Let periodic publishing, if enabled, take care of sending the
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* Health Current Status.
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*/
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if (bt_mesh_model_pub_period_get(model)) {
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return 0;
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}
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health_pub_update(model);
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return bt_mesh_model_publish(model);
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}
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static void attention_off(struct k_work *work)
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{
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struct bt_mesh_health_srv *srv = CONTAINER_OF(work,
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struct bt_mesh_health_srv,
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attn_timer.work);
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BT_DBG("%s", __func__);
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if (!srv) {
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BT_ERR("%s, No Health Server context provided", __func__);
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return;
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}
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if (srv->cb.attn_off) {
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srv->cb.attn_off(srv->model);
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}
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srv->attn_timer_start = false;
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}
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int bt_mesh_health_srv_init(struct bt_mesh_model *model, bool primary)
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{
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struct bt_mesh_health_srv *srv = model->user_data;
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/* Health Server Model shall be supported by a primary element and may be
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* supported by any secondary elements.
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*/
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if (!srv) {
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if (!primary) {
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/* If Health Server is in the secondary element with NULL user_data. */
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return 0;
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}
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BT_ERR("%s, No Health Server context provided", __func__);
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return -EINVAL;
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}
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if (srv->test.id_count == 0 || !srv->test.test_ids) {
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BT_ERR("%s, No Health Test ID provided", __func__);
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return -EINVAL;
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}
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if (!model->pub) {
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BT_ERR("%s, Health Server has no publication support", __func__);
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return -EINVAL;
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}
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model->pub->update = health_pub_update;
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k_delayed_work_init(&srv->attn_timer, attention_off);
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srv->model = model;
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srv->attn_timer_start = false;
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memset(srv->test.curr_faults, HEALTH_NO_FAULT, ARRAY_SIZE(srv->test.curr_faults));
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memset(srv->test.reg_faults, HEALTH_NO_FAULT, ARRAY_SIZE(srv->test.reg_faults));
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if (primary) {
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health_srv = srv;
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}
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return 0;
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}
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void bt_mesh_attention(struct bt_mesh_model *model, u8_t time)
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{
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struct bt_mesh_health_srv *srv;
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if (!model) {
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srv = health_srv;
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if (!srv) {
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BT_WARN("%s, No Health Server context provided", __func__);
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return;
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}
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model = srv->model;
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} else {
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srv = model->user_data;
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if (!srv) {
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BT_WARN("%s, No Health Server context provided", __func__);
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return;
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}
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}
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if (time) {
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if (srv->cb.attn_on) {
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srv->cb.attn_on(model, time);
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}
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k_delayed_work_submit(&srv->attn_timer, time * 1000U);
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srv->attn_timer_start = true;
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} else {
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k_delayed_work_cancel(&srv->attn_timer);
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if (srv->attn_timer_start == true) {
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if (srv->cb.attn_off) {
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srv->cb.attn_off(model);
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}
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srv->attn_timer_start = false;
|
|
}
|
|
}
|
|
}
|