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https://github.com/eddyem/stm32samples.git
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50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
/*
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* This file is part of the DS18 project.
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* Copyright 2021 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#ifndef DHT_H__
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#define DHT_H__
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#include <stm32f1.h>
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// state of device
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typedef enum{
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DS18_SLEEP,
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DS18_RESETTING,
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DS18_DETECTING,
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DS18_DETDONE,
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DS18_RDYTOSEND,
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DS18_READING,
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DS18_GOTANSWER,
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DS18_ERROR
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} DS18_state;
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void DS18_pinsetup();
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int DS18_start();
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int DS18_readID();
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DS18_state DS18_getstate();
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void DS18_process(uint32_t Tms);
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int DS18_readScratchpad();
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void DS18_poll();
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void DS18_clearID();
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void DS18_setID(const uint8_t ID[8]);
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#endif // DHT_H__
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