mirror of
https://github.com/eddyem/eddys_snippets.git
synced 2025-12-06 10:45:12 +03:00
85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
/*
|
|
* 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 <stdio.h>
|
|
#include <string.h>
|
|
#include <usefull_macros.h>
|
|
|
|
#include "BMP180.h"
|
|
#include "i2c.h"
|
|
#include "sensor.h"
|
|
|
|
// NULL-terminated list of all supported sensors
|
|
static const sensor_t* supported_sensors[] = {&BMP180, NULL};
|
|
|
|
// just two stupid wrappers
|
|
int sensors_open(const char *dev){
|
|
return i2c_open(dev);
|
|
}
|
|
void sensors_close(){
|
|
i2c_close();
|
|
}
|
|
|
|
// init sensor with optional new address
|
|
int sensor_init(const sensor_t *s, uint8_t address){
|
|
if(!s) return FALSE;
|
|
address = s->address(address);
|
|
if(!i2c_set_slave_address(address)){
|
|
DBG("Can't set slave address 0x%02x", address);
|
|
return FALSE;
|
|
}
|
|
if(!i2c_read_reg8(0, NULL)){
|
|
DBG("Can't connect!");
|
|
return FALSE;
|
|
}
|
|
double t0 = sl_dtime();
|
|
int result = FALSE;
|
|
while(sl_dtime() - t0 < SENS_TIMEOUT && !(result = s->init())) usleep(10000);
|
|
return result;
|
|
}
|
|
|
|
// find supported sensor by name
|
|
const sensor_t* sensor_find(const char *name){
|
|
if(!name || !*name) return NULL;
|
|
const sensor_t **p = supported_sensors;
|
|
while(*p){
|
|
if(0 == strcmp((*p)->name, name)) return *p;
|
|
++p;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
// list all supported sensors
|
|
void sensors_list(){
|
|
const sensor_t **p = supported_sensors;
|
|
green("Supported sensors:\n");
|
|
while(*p){
|
|
printf("%s", (*p)->name);
|
|
if(*(++p)) printf(", ");
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
// wrapper with timeout
|
|
int sensor_start(const sensor_t *s){
|
|
if(!s) return FALSE;
|
|
double t0 = sl_dtime();
|
|
int result = FALSE;
|
|
while(sl_dtime() - t0 < SENS_TIMEOUT && !(result = s->start())) usleep(10000);
|
|
return result;
|
|
}
|