/* Bluetooth Mesh */
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/*
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* Copyright (c) 2021 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "mesh/mesh.h"
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void bt_mesh_model_msg_init(struct os_mbuf *msg, uint32_t opcode)
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{
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net_buf_simple_init(msg, 0);
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switch (BT_MESH_MODEL_OP_LEN(opcode)) {
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case 1:
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net_buf_simple_add_u8(msg, opcode);
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break;
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case 2:
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net_buf_simple_add_be16(msg, opcode);
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break;
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case 3:
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net_buf_simple_add_u8(msg, ((opcode >> 16) & 0xff));
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/* Using LE for the CID since the model layer is defined as
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* little-endian in the mesh spec and using BT_MESH_MODEL_OP_3
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* will declare the opcode in this way.
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*/
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net_buf_simple_add_le16(msg, opcode & 0xffff);
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break;
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default:
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BT_WARN("Unknown opcode format");
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break;
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}
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}
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void bt_mesh_msg_ack_ctx_clear(struct bt_mesh_msg_ack_ctx *ack)
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{
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ack->op = 0U;
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ack->user_data = NULL;
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ack->dst = BT_MESH_ADDR_UNASSIGNED;
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}
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int bt_mesh_msg_ack_ctx_prepare(struct bt_mesh_msg_ack_ctx *ack,
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uint32_t op, uint16_t dst, void *user_data)
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{
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if (ack->op) {
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BT_WARN("Another synchronous operation pending");
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return -EBUSY;
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}
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ack->op = op;
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ack->user_data = user_data;
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ack->dst = dst;
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return 0;
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}
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int bt_mesh_msg_ack_ctx_wait(struct bt_mesh_msg_ack_ctx *ack, int32_t timeout)
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{
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int err;
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err = k_sem_take(&ack->sem, timeout);
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bt_mesh_msg_ack_ctx_clear(ack);
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if (err == -EAGAIN) {
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return -ETIMEDOUT;
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}
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return err;
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}
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bool bt_mesh_msg_ack_ctx_match(const struct bt_mesh_msg_ack_ctx *ack,
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uint32_t op, uint16_t addr, void **user_data)
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{
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if (ack->op != op || (BT_MESH_ADDR_IS_UNICAST(ack->dst) && ack->dst != addr)) {
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return false;
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}
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if (user_data != NULL) {
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*user_data = ack->user_data;
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}
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return true;
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}
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