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Made refactoring for multi-sensor ability (N same sensors); check AHT21. I cry: I need this pointer in C!!!

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Edward Emelianov
2025-10-12 01:49:06 +03:00
parent 7f85861d6c
commit b0097d5ee6
10 changed files with 291 additions and 231 deletions
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36
I2Csensors/sensors_private.h Normal file
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/*
* Copyright 2025 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/>.
*/
#include <stdint.h>
#include "sensor.h"
// unfortunately, we have no "self" pointer in C, so we should add this struct calling to each function for further purposes
struct sensor_struct{
const char *name; // name
uint8_t address; // sensor's address
uint32_t private; // private information (e.g. for almost similar sensors with some slight differences)
void *privdata; // some private data for calibration etc
sensor_status_t status; // status of sensor
sensor_data_t data; // measured data
int (*init)(struct sensor_struct*); // init device - @ start after POR or in case of errors
int (*start)(struct sensor_struct*); // start measuring
int (*heater)(struct sensor_struct *, int); // turn heater on/off (1/0)
sensor_status_t (*process)(struct sensor_struct*); // main polling process
sensor_props_t (*properties)(struct sensor_struct*); // get properties
};