Add some fields description

Auxiliary_utils/Hydreon/dumpregs.c

@@ -19,12 +19,24 @@
 #include <signal.h>
 #include <stdio.h>
 #include <string.h>
+#include <time.h>
 #include <usefull_macros.h>
 
 #include "cmdlnopts.h"
 #include "hydreon.h"
 
+// selected registers threshold over old value
+#define VAL_THRESHOLD   (5)
+
+// check deviation of values over threshold; return TRUE if |x1-x0|>VAL_THRESHOLD
+static int deviat(uint8_t x0, uint8_t x1){
+    register uint8_t diff = (x0 > x1) ? x0 - x1 : x1 - x0;
+    if(diff > VAL_THRESHOLD) return TRUE;
+    return FALSE;
+}
+
 static glob_pars *G = NULL;
+static FILE *outf = NULL;
 
 void signals(int sig){
     if(sig > 0){
@@ -34,6 +46,7 @@ void signals(int sig){
     LOGERR("Exit with status %d", sig);
     if(G && G->pidfile) // remove unnesessary PID file
         unlink(G->pidfile);
+    if(outf) fclose(outf);
     hydreon_close();
     exit(sig);
 }
@@ -76,15 +89,76 @@ static void dumpSchanges(slowregs *new, slowregs *old){
     }
 }
 
+static void puttotable(rg11 *R, slowregs *S){
+    if(!R || !S){ // init -> plot header
+        fprintf(outf, "%12s%8s%8s%8s%8s" \
+                "%10s%8s%8s%10s" \
+                "%8s%10s%8s%8s%10s%8s%8s%8s%8s%8s" \
+                "\n",
+                "UNIX time", "PeakRS", "SPeakRS", "RainAD8", "LRA",
+                "PkOverThr", "Raining", "Freeze", "Out1OnCtr",
+                "EmLevel", "RecEmStr", "TmprtrC", "ClearTR", "AmbLight", "Bucket", "Barrel", "DwellT", "MonoStb", "LightAD");
+        return;
+    }
+    // old values: we will make dump of selected fields only if |new-old| > threshold
+    static rg11 oRregs = {0};
+    static slowregs oSregs = {0};
+    static size_t Out1ctr = 0;
+    int changed = FALSE;
+    // now check selected fields
+#define CHKR(r) do{if(deviat(oRregs.r, R->r)) changed = TRUE; oRregs.r = R->r;}while(0)
+#define CHKS(r) do{if(deviat(oSregs.r, S->r)) changed = TRUE; oSregs.r = S->r;}while(0)
+#define RGMASK  (PkOverThr | Raining | Out1On | Freeze)
+    CHKR(PeakRS);
+    CHKR(SPeakRS);
+    CHKR(RainAD8);
+    CHKR(LRA);
+    if(!(oRregs.RGBits & Out1On) && (R->RGBits & Out1On)) ++Out1ctr;
+    if((oRregs.RGBits & RGMASK) != (R->RGBits & RGMASK)){
+        changed = TRUE;
+        oRregs.RGBits = R->RGBits;
+    }
+    CHKS(EmLevel);
+    CHKS(RecEmStr);
+    CHKS(TmprtrF);
+    CHKS(ClearTR);
+    CHKS(AmbLight);
+    CHKS(Bucket);
+    CHKS(Barrel);
+    CHKS(DwellT);
+    CHKS(MonoStb);
+    CHKS(LightAD);
+#undef CHKR
+#undef CHKS
+#undef RGMASK
+    if(!changed) return;
+    fprintf(outf, "%12ld%8u%8u%8u%8u" \
+                  "%10u%8u%8u%10zd" \
+                  "%8u%10u%6.1f%8u%10u%8u%8u%8u%8u%8u" \
+                  "\n",
+            //  "UNIX time", "PeakRS", "SPeakRS", "RainAD8", "LRA",
+            time(NULL), R->PeakRS, R->SPeakRS, R->RainAD8, R->LRA,
+            // "PkOverThr", "Raining", "Freeze", "Out1OnCtr",
+            (R->RGBits & PkOverThr) ? 255:0, (R->RGBits & Raining) ? 255:0, (R->RGBits & Freeze) ? 255:0, Out1ctr,
+            // "EmLevel", "RecEmStr", "TmprtrC", "ClearTR", "AmbLight", "Bucket", "Barrel", "DwellT", "MonoStb", "LightAD"
+            S->EmLevel, S->RecEmStr, (S->TmprtrF - 32.)*5./9., S->ClearTR, S->AmbLight, S->Bucket, S->Barrel, S->DwellT, S->MonoStb, S->LightAD
+            );
+    fflush(outf);
+}
+
 int main(int argc, char **argv){
     initial_setup();
     char *self = strdup(argv[0]);
     G = parse_args(argc, argv);
     if(G->timeout < 5) ERRX("Timeout should be not less than 5 seconds");
-    if(!G->logfile) ERRX("Point log file name");
+    if(!G->logfile && !G->outfile) ERRX("Point at least log or output file name");
     check4running(self, G->pidfile);
     if(!hydreon_open(G->device)) return 1;
     if(G->logfile) OPENLOG(G->logfile, LOGLEVEL_ANY, 0);
+    if(G->outfile){
+        outf = fopen(G->outfile, "w");
+        if(!outf) ERR("Can't open file %s", G->outfile);
+    }
     rg11 Rregs, oRregs = {0};
     slowregs Sregs, oSregs = {0};
     signal(SIGTERM, signals); // kill (-15) - quit
@@ -93,16 +167,21 @@ int main(int argc, char **argv){
     signal(SIGQUIT, signals); // ctrl+\ - quit
     signal(SIGTSTP, SIG_IGN); // ignore ctrl+Z
     double t0 = dtime();
+    puttotable(NULL, NULL);
     while(dtime() - t0 < (double)G->timeout){ // dump only changes
         if(!hydreon_getpacket(&Rregs, &Sregs)) continue;
+        int changes = FALSE;
         if(memcmp(&Rregs, &oRregs, RREGNUM + 1)){ // Rregs changed -> log changes
             dumpRchanges(&Rregs, &oRregs);
             memcpy(&oRregs, &Rregs, sizeof(rg11));
+            changes = TRUE;
         }
         if(memcmp(&Sregs, &oSregs, sizeof(slowregs))){ // Sregs changed -> log
             dumpSchanges(&Sregs, &oSregs);
             memcpy(&oSregs, &Sregs, sizeof(slowregs));
+            changes = TRUE;
         }
+        if(changes) puttotable(&Rregs, &Sregs);
         t0 = dtime();
     }
     signals(-1); // never reached