101 lines
3.3 KiB
C
101 lines
3.3 KiB
C
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/**
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* Copyright (c) 2012 - 2020, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "sensorsim.h"
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void sensorsim_init(sensorsim_state_t * p_state,
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const sensorsim_cfg_t * p_cfg)
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{
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if (p_cfg->start_at_max)
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{
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p_state->current_val = p_cfg->max;
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p_state->is_increasing = false;
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}
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else
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{
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p_state->current_val = p_cfg->min;
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p_state->is_increasing = true;
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}
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}
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uint32_t sensorsim_measure(sensorsim_state_t * p_state,
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const sensorsim_cfg_t * p_cfg)
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{
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if (p_state->is_increasing)
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{
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sensorsim_increment(p_state, p_cfg);
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}
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else
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{
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sensorsim_decrement(p_state, p_cfg);
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}
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return p_state->current_val;
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}
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void sensorsim_increment(sensorsim_state_t * p_state,
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const sensorsim_cfg_t * p_cfg)
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{
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if (p_cfg->max - p_state->current_val > p_cfg->incr)
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{
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p_state->current_val += p_cfg->incr;
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}
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else
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{
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p_state->current_val = p_cfg->max;
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p_state->is_increasing = false;
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}
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}
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void sensorsim_decrement(sensorsim_state_t * p_state,
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const sensorsim_cfg_t * p_cfg)
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{
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if (p_state->current_val - p_cfg->min > p_cfg->incr)
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{
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p_state->current_val -= p_cfg->incr;
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}
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else
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{
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p_state->current_val = p_cfg->min;
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p_state->is_increasing = true;
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}
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}
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