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42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/*
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* This file is part of the sihtu project.
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* Copyright 2022 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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#include <stdint.h>
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// conversion timeout (s)
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#define SI7005_CONVTIMEOUT 2.0
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typedef enum{
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SI7005_BUSY, // measurement in progress
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SI7005_ERR, // error in I2C
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SI7005_RELAX, // relaxed state
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SI7005_RDY, // data ready - can get it
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} si7005_status;
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si7005_status si7005_get_status();
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int si7005_read_ID();
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void si7005_process();
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int si7005_startmeasure();
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int si7005_getTH(float *T, float *H);
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int si7005_heater(int ON);
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