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95 lines
3.2 KiB
C
95 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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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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extern sensordata_t sensor;
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static const val_t values[NAMOUNT] = {
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[NWIND] = {.sense = VAL_OBLIGATORY, .type = VALT_FLOAT, .meaning = IS_WIND},
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[NHUMIDITY] = {.sense = VAL_OBLIGATORY, .type = VALT_FLOAT, .meaning = IS_HUMIDITY},
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[NAMB_TEMP] = {.sense = VAL_OBLIGATORY, .type = VALT_FLOAT, .meaning = IS_AMB_TEMP},
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[NPRESSURE] = {.sense = VAL_OBLIGATORY, .type = VALT_FLOAT, .meaning = IS_PRESSURE},
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[NPRECIP] = {.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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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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common_kill(&sensor);
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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(!s) return -1;
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sensor.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");
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return -1;
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}
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if(pthread_create(&s->thread, NULL, mainthread, NULL)) return -1;
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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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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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return NAMOUNT;
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}
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sensordata_t sensor = {
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.name = "BTA 6-m telescope main meteostation",
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.Nvalues = NAMOUNT,
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.init = init,
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.onrefresh = common_onrefresh,
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.valmutex = PTHREAD_MUTEX_INITIALIZER,
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.get_value = common_getval,
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.kill = common_kill,
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};
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