38 lines
1.0 KiB
C
38 lines
1.0 KiB
C
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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: LicenseRef-Nordic-5-Clause
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*/
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#include "api/light_ctrl_reg.h"
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void bt_mesh_light_ctrl_reg_target_set(struct bt_mesh_light_ctrl_reg *reg,
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float value,
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int32_t transition_time)
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{
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reg->prev_target = reg->target;
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reg->target = value;
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if (reg->target == reg->prev_target) {
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reg->transition_time = 0;
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return;
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}
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reg->transition_start = k_uptime_get();
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reg->transition_time = transition_time;
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}
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float bt_mesh_light_ctrl_reg_target_get(struct bt_mesh_light_ctrl_reg *reg)
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{
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if (reg->transition_time == 0) {
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return reg->target;
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}
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int32_t elapsed = k_uptime_get() - reg->transition_start;
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if (elapsed >= reg->transition_time) {
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reg->transition_time = 0;
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return reg->target;
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}
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return reg->prev_target +
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(elapsed * (reg->target - reg->prev_target)) / reg->transition_time;
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}
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