Edward Emelianov d5ba933c30 add si/htu
2022-09-29 22:41:13 +03:00

42 lines
1.2 KiB
C

/*
* This file is part of the sihtu project.
* Copyright 2022 Edward V. Emelianov <edward.emelianoff@gmail.com>.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stdint.h>
// conversion timeout (s)
#define SI7005_CONVTIMEOUT 2.0
typedef enum{
SI7005_BUSY, // measurement in progress
SI7005_ERR, // error in I2C
SI7005_RELAX, // relaxed state
SI7005_RDY, // data ready - can get it
} si7005_status;
si7005_status si7005_get_status();
int si7005_read_ID();
void si7005_process();
int si7005_startmeasure();
int si7005_getTH(float *T, float *H);
int si7005_heater(int ON);