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60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/*
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* Copyright 2025 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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// timeout of i2c waiting
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#define I2C_TIMEOUT (2.)
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typedef enum{
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SENS_NOTINIT, // wasn't inited
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SENS_BUSY, // measurement in progress
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SENS_ERR, // error occured
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SENS_RELAX, // do nothing
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SENS_RDY, // data ready - can get it
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} sensor_status_t;
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typedef struct{
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uint8_t T : 1; // can temperature (degC)
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uint8_t H : 1; // can humidity (percent)
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uint8_t P : 1; // can pressure (hPa)
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uint8_t htr : 1; // have heater
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} sensor_props_t;
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typedef struct{
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double T;
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double H;
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double P;
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} sensor_data_t;
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//struct sensor_struct;
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typedef struct sensor_struct sensor_t;
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int sensors_open(const char *dev);
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void sensors_close();
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void sensors_list();
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sensor_t* sensor_new(const char *name);
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void sensor_delete(sensor_t **s);
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sensor_props_t sensor_properties(sensor_t *s);
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int sensor_init(sensor_t *s, uint8_t address);
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int sensor_heater(sensor_t *s, int on);
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int sensor_start(sensor_t *s);
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sensor_status_t sensor_process(sensor_t *s);
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int sensor_getdata(sensor_t *s, sensor_data_t *d);
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