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96 lines
3.7 KiB
C
96 lines
3.7 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 SENSOR_NAME "Dummy weatherstation"
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#define NS (7)
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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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{.sense = VAL_FORCEDSHTDN, .type = VALT_FLOAT, .meaning = IS_LIGTDIST},
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};
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static void *mainthread(void *s){
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FNAME();
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double t0 = sl_dtime();
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sensordata_t *sensor = (sensordata_t *)s;
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while(1){
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//DBG("locked");
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pthread_mutex_lock(&sensor->valmutex);
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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) / 2.;
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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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//if(!sensor->values[5].value.u && drand48() > 0.7) sensor->values[5].value.u = 1;
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time_t cur = time(NULL);
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for(int i = 0; i < NS-1; ++i) sensor->values[i].time = cur;
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f = sensor->values[6].value.f - (drand48() - 0.52);
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if(f > 0. && f < 60){
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sensor->values[6].value.f = f;
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sensor->values[6].time = cur;
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}
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pthread_mutex_unlock(&sensor->valmutex);
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//DBG("unlocked");
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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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sensordata_t *sensor_new(int N, time_t pollt, int _U_ fd){
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FNAME();
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sensordata_t *s = common_new();
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if(!s) return NULL;
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s->Nvalues = NS;
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strncpy(s->name, SENSOR_NAME, NAME_LEN);
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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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s->values[0].value.f = 1.;
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s->values[1].value.f = 180.;
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s->values[2].value.f = 17.;
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s->values[3].value.f = 600.;
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s->values[4].value.f = 89.;
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s->values[5].value.u = 0;
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s->values[6].value.f = 4.5;
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s->PluginNo = N;
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if(pthread_create(&s->thread, NULL, mainthread, (void*)s)){
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s->kill(s);
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return NULL;
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}
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s->fdes = 0;
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return s;
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}
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