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96 lines
3.4 KiB
C
96 lines
3.4 KiB
C
/*
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* This file is part of the weatherdaemon project.
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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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// dummy meteostation sending data each `tpoll` seconds
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#include "weathlib.h"
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#define NS (6)
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extern sensordata_t sensor;
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static const val_t values[NS] = { // fields `name` and `comment` have no sense until value meaning is `IS_OTHER`
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{.sense = VAL_OBLIGATORY, .type = VALT_FLOAT, .meaning = IS_WIND},
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{.sense = VAL_RECOMMENDED, .type = VALT_FLOAT, .meaning = IS_WINDDIR},
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{.sense = VAL_OBLIGATORY, .type = VALT_FLOAT, .meaning = IS_AMB_TEMP},
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{.sense = VAL_RECOMMENDED, .type = VALT_FLOAT, .meaning = IS_PRESSURE},
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{.sense = VAL_RECOMMENDED, .type = VALT_FLOAT, .meaning = IS_HUMIDITY},
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{.sense = VAL_OBLIGATORY, .type = VALT_UINT, .meaning = IS_PRECIP},
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};
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static void *mainthread(void _U_ *U){
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FNAME();
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double t0 = sl_dtime();
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while(1){
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float f = sensor.values[0].value.f + (drand48() - 0.5) / 2.;
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if(f >= 0.) sensor.values[0].value.f = f;
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f = sensor.values[1].value.f + (drand48() - 0.5) * 4.;
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if(f > 160. && f < 200.) sensor.values[1].value.f = f;
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f = sensor.values[2].value.f + (drand48() - 0.5) / 20.;
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if(f > 13. && f < 21.) sensor.values[2].value.f = f;
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f = sensor.values[3].value.f + (drand48() - 0.5) / 100.;
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if(f > 585. && f < 615.) sensor.values[3].value.f = f;
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f = sensor.values[4].value.f + (drand48() - 0.5) / 10.;
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if(f > 60. && f <= 100.) sensor.values[4].value.f = f;
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sensor.values[5].value.u = (f > 98.) ? 1 : 0;
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time_t cur = time(NULL);
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for(int i = 0; i < NS; ++i) sensor.values[i].time = cur;
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if(sensor.freshdatahandler) sensor.freshdatahandler(&sensor);
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while(sl_dtime() - t0 < sensor.tpoll) usleep(500);
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t0 = sl_dtime();
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}
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return NULL;
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}
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static int init(struct sensordata_t* s, int N, time_t pollt, int _U_ fd){
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FNAME();
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if(pthread_create(&s->thread, NULL, mainthread, NULL)) return 0;
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if(pollt) s->tpoll = pollt;
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s->values = MALLOC(val_t, NS);
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for(int i = 0; i < NS; ++i) s->values[i] = values[i];
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sensor.values[0].value.f = 1.;
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sensor.values[1].value.f = 180.;
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sensor.values[2].value.f = 17.;
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sensor.values[3].value.f = 600.;
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sensor.values[4].value.f = 80.;
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sensor.values[5].value.u = 0;
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sensor.PluginNo = N;
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return NS;
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}
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/**
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* @brief getval - value's getter
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* @param o (o) - value
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* @param N - it's index
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* @return FALSE if failed
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*/
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static int getval(struct sensordata_t* s, val_t *o, int N){
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if(N < 0 || N >= NS) return FALSE;
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if(o) *o = s->values[N];
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return TRUE;
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}
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sensordata_t sensor = {
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.name = "Dummy weatherstation",
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.Nvalues = NS,
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.init = init,
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.onrefresh = common_onrefresh,
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.get_value = getval,
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.kill = common_kill,
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};
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