add BTA, reinhard and Hydreon sensors

Daemons/weatherdaemon_multimeteo/plugins/btameteo.c

@@ -0,0 +1,94 @@
+/*
+ * This file is part of the weatherdaemon project.
+ * Copyright 2026 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 "bta_shdata.h"
+#include "weathlib.h"
+
+enum{
+    NWIND,
+    NHUMIDITY,
+    NAMB_TEMP,
+    NPRESSURE,
+    NPRECIP,
+    NAMOUNT
+};
+
+extern sensordata_t sensor;
+
+static const val_t values[NAMOUNT] = {
+    [NWIND]     = {.sense = VAL_OBLIGATORY, .type = VALT_FLOAT, .meaning = IS_WIND},
+    [NHUMIDITY] = {.sense = VAL_OBLIGATORY, .type = VALT_FLOAT, .meaning = IS_HUMIDITY},
+    [NAMB_TEMP] = {.sense = VAL_OBLIGATORY, .type = VALT_FLOAT, .meaning = IS_AMB_TEMP},
+    [NPRESSURE] = {.sense = VAL_OBLIGATORY, .type = VALT_FLOAT, .meaning = IS_PRESSURE},
+    [NPRECIP]   = {.sense = VAL_OBLIGATORY, .type = VALT_UINT,  .meaning = IS_PRECIP},
+};
+
+static void *mainthread(void _U_ *U){
+    FNAME();
+    while(1){
+        if(check_shm_block(&sdat)){
+            DBG("Got next");
+            time_t tnow = time(NULL);
+            pthread_mutex_lock(&sensor.valmutex);
+            for(int i = 0; i < NAMOUNT; ++i)
+                sensor.values[i].time = tnow;
+            sensor.values[NWIND].value.f = val_Wnd;
+            sensor.values[NPRESSURE].value.f = val_B;
+            sensor.values[NAMB_TEMP].value.f = val_T1;
+            sensor.values[NHUMIDITY].value.f = val_Hmd;
+            DBG("Tprecip=%.1f, tnow=%.1f", Precip_time, sl_dtime());
+            sensor.values[NPRECIP].value.u = (tnow - (time_t)Precip_time < 60) ? 1 : 0;
+            pthread_mutex_unlock(&sensor.valmutex);
+            if(sensor.freshdatahandler) sensor.freshdatahandler(&sensor);
+        }else break; // no connection?
+        sleep(1);
+    }
+    DBG("Lost connection -> suicide");
+    common_kill(&sensor);
+    return NULL;
+}
+
+static int init(struct sensordata_t *s, int N, time_t pollt, int _U_ fd){
+    FNAME();
+    if(!s) return -1;
+    sensor.PluginNo = N;
+    if(pollt) s->tpoll = pollt;
+    if(!get_shm_block(&sdat, ClientSide)){
+        WARNX("Can't get BTA shared memory block");
+        return -1;
+    }
+    if(pthread_create(&s->thread, NULL, mainthread, NULL)) return -1;
+    s->values = MALLOC(val_t, NAMOUNT);
+    for(int i = 0; i < NAMOUNT; ++i) s->values[i] = values[i];
+    if(!(s->ringbuffer = sl_RB_new(BUFSIZ))){
+        WARNX("Can't init ringbuffer!");
+        common_kill(s);
+        return -1;
+    }
+    return NAMOUNT;
+}
+
+sensordata_t sensor = {
+    .name = "BTA 6-m telescope main meteostation",
+    .Nvalues = NAMOUNT,
+    .init = init,
+    .onrefresh = common_onrefresh,
+    .valmutex = PTHREAD_MUTEX_INITIALIZER,
+    .get_value = common_getval,
+    .kill = common_kill,
+};