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96 lines
3.2 KiB
C
96 lines
3.2 KiB
C
/*
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* This file is part of the weatherdaemon project.
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* Copyright 2026 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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#include "bta_shdata.h"
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#include "weathlib.h"
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#define SENSOR_NAME "BTA 6-m telescope main meteostation"
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enum{
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NWIND,
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NHUMIDITY,
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NAMB_TEMP,
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NPRESSURE,
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NPRECIP,
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NAMOUNT
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};
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static const val_t values[NAMOUNT] = {
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[NWIND] = {.sense = VAL_RECOMMENDED, .type = VALT_FLOAT, .meaning = IS_WIND},
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[NHUMIDITY] = {.sense = VAL_RECOMMENDED, .type = VALT_FLOAT, .meaning = IS_HUMIDITY},
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[NAMB_TEMP] = {.sense = VAL_RECOMMENDED, .type = VALT_FLOAT, .meaning = IS_AMB_TEMP},
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[NPRESSURE] = {.sense = VAL_RECOMMENDED, .type = VALT_FLOAT, .meaning = IS_PRESSURE},
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[NPRECIP] = {.sense = VAL_RECOMMENDED, .type = VALT_UINT, .meaning = IS_PRECIP},
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};
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static void *mainthread(void *s){
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FNAME();
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sensordata_t *sensor = (sensordata_t *)s;
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while(1){
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if(check_shm_block(&sdat)){
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DBG("Got next");
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time_t tnow = time(NULL);
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pthread_mutex_lock(&sensor->valmutex);
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for(int i = 0; i < NAMOUNT; ++i)
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sensor->values[i].time = tnow;
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sensor->values[NWIND].value.f = val_Wnd;
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sensor->values[NPRESSURE].value.f = val_B;
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sensor->values[NAMB_TEMP].value.f = val_T1;
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sensor->values[NHUMIDITY].value.f = val_Hmd;
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DBG("Tprecip=%.1f, tnow=%.1f", Precip_time, sl_dtime());
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sensor->values[NPRECIP].value.u = (tnow - (time_t)Precip_time < 60) ? 1 : 0;
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pthread_mutex_unlock(&sensor->valmutex);
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if(sensor->freshdatahandler) sensor->freshdatahandler(sensor);
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}else break; // no connection?
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sleep(1);
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}
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DBG("Lost connection -> suicide");
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sensor->kill(sensor);
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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->PluginNo = N;
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if(pollt) s->tpoll = pollt;
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if(!get_shm_block(&sdat, ClientSide)){
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WARNX("Can't get BTA shared memory block or create main thread");
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s->kill(s);
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return NULL;
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}
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s->values = MALLOC(val_t, NAMOUNT);
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for(int i = 0; i < NAMOUNT; ++i) s->values[i] = values[i];
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s->Nvalues = NAMOUNT;
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strncpy(s->name, SENSOR_NAME, NAME_LEN);
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/*if(!(s->ringbuffer = sl_RB_new(BUFSIZ))){
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WARNX("Can't init ringbuffer!");
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common_kill(s);
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return -1;
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}*/
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if(pthread_create(&s->thread, NULL, mainthread, (void*)s)){
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WARN("Can't create main thread");
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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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