From 5f5aface14cea168691507f58bae4d4b7cce5744 Mon Sep 17 00:00:00 2001
From: cvs <cvs>
Date: Fri, 21 Jul 2000 13:01:55 +0000
Subject: [PATCH] Files called from SICServer should now compile under linux

---
 tecs/Makefile       |  21 ++--
 tecs/coc_server.c   |   6 +-
 tecs/coc_util.c     |   3 +-
 tecs/err_handling.c |   5 +
 tecs/str_buf.c      |   6 +-
 tecs/str_util.c     |   2 +-
 tecs/sys_aunix.f    | 115 +++++++++++++++++++++-
 tecs/sys_aunix_c.c  |  76 ++++++++++++++-
 tecs/sys_util.c     |  12 ---
 tecs/sys_util.h     |  15 +--
 tecs/tecs.c         | 228 ++++++++++++++++++++++++++++++--------------
 tecs/tecs_cli.c     |  13 ++-
 tecs/tecs_client.f  |   1 +
 tecs/tecs_dlog.inc  |   9 +-
 tecs/tecs_plot.f90  |   4 +
 15 files changed, 401 insertions(+), 115 deletions(-)

diff --git a/tecs/Makefile b/tecs/Makefile
index ecbf8524..77340501 100644
--- a/tecs/Makefile
+++ b/tecs/Makefile
@@ -3,10 +3,11 @@
 #
 # Markus Zolliker, March 2000
 #--------------------------------------------------------------------------
-LIBR_OBJ= coc_util.o err_handling.o str_util.o str_buf.o sys_util.o tecs_dlog.o
-CLI_OBJ= tecs_cli.o coc_client.o
-SERV_OBJ= tecs.o coc_server.o tecs_lsc.o tecs_serial.o coc_logfile.o
-TCLI_OBJ= tecs_client.o tecs_plot.o tecs_for.o sys_aunix.o sys_aunix_c.o
+LIBR_OBJ= coc_util.o err_handling.o str_util.o str_buf.o
+DLOG_OBJ= sys_util.o tecs_dlog.o
+SERV_OBJ= tecs.o coc_server.o tecs_lsc.o tecs_serial.o coc_logfile.o $(LIBR_OBJ) $(DLOG_OBJ)
+CLI_OBJ= tecs_cli.o coc_client.o $(LIBR_OBJ)
+TCLI_OBJ= tecs_client.o tecs_plot.o tecs_for.o sys_aunix.o sys_aunix_c.o str.o cho.o $(CLI_OBJ) $(DLOG_OBJ)
 
 #------------ for DigitalUnix (add -DFORTIFY to CFLAGS for fortified version)
 CC=cc
@@ -20,9 +21,9 @@ CFLAGS= -std1 -g -warnprotos -I../ -I. -I../hardsup
 .c.o:
 	$(CC) $(CFLAGS) -c $*.c
 
-libtecsl.a: $(LIBR_OBJ) $(CLI_OBJ)
+libtecsl.a: $(CLI_OBJ)
 	- rm libtecsl.a
-	ar cr libtecsl.a $(LIBR_OBJ) $(CLI_OBJ)
+	ar cr libtecsl.a $(CLI_OBJ)
 	ranlib libtecsl.a
 
 all: libtecsl.a bin/TecsServer tecs
@@ -30,13 +31,13 @@ all: libtecsl.a bin/TecsServer tecs
 tecs_plot.o: tecs_plot.f90
 	f90 -c -g tecs_plot.f90
 
-bin/TecsServer: $(LIBR_OBJ) $(SERV_OBJ)
+bin/TecsServer: $(SERV_OBJ)
 	- rm bin/TecsServer
-	$(CC) $(CFLAGS) -o bin/TecsServer -g $(LIBR_OBJ) $(SERV_OBJ) fortify1.c \
+	$(CC) $(CFLAGS) -o bin/TecsServer -g $(SERV_OBJ) fortify1.c \
           -lm -L../hardsup -lhlib -lfor
 
-tecs: $(TCLI_OBJ) $(CLI_OBJ) $(LIBR_OBJ) 
-	f77 -o tecs -g $(TCLI_OBJ) $(CLI_OBJ) $(LIBR_OBJ) \
+tecs: $(TCLI_OBJ)
+	f77 -o tecs -g $(TCLI_OBJ) \
            -L/data/lnslib/lib -lpgplot -so_archive -lreadline -ltermcap -lX11 -lXm
 
 clean:
diff --git a/tecs/coc_server.c b/tecs/coc_server.c
index 1092bff5..c02280f1 100644
--- a/tecs/coc_server.c
+++ b/tecs/coc_server.c
@@ -99,7 +99,7 @@ int CocHandle1Request(int tmo_msec, int fd) {
           close(cl->fd);
           FD_CLR(cl->fd, &mask);
           cl0->next=cl->next;
-          my_free(cl);
+          FREE(cl);
           cl=cl0;
         } else {
 
@@ -237,9 +237,9 @@ void CocCloseServer() {
     close(cl->fd);
     cl0=cl;
     cl=cl->next;
-    my_free(cl0);
+    FREE(cl0);
   }
-  my_free(cList);
+  FREE(cList);
   close(mainFd);
   str_free_buf(buf); str_free_buf(bufo);
   logfileClose();
diff --git a/tecs/coc_util.c b/tecs/coc_util.c
index 7ff8f693..dd8a6e0f 100644
--- a/tecs/coc_util.c
+++ b/tecs/coc_util.c
@@ -246,8 +246,7 @@ void CocFreeVarList(CocVar **varList) {
     p=v;
     v=p->next;
     p->next=NULL;
-    /* printf("my_free %s\n", p->name); */
-    my_free(p);
+    FREE(p);
   }
   *varList=NULL;
 }
diff --git a/tecs/err_handling.c b/tecs/err_handling.c
index 88b5406f..0b79ac79 100644
--- a/tecs/err_handling.c
+++ b/tecs/err_handling.c
@@ -93,6 +93,9 @@ void ERR_EXIT(char *text) {
 
 /* FORTRAN wrappers */
 
+#ifdef F_CHAR
+/* compile only when fortran c interface stuff is defined */
+
 #ifdef __VMS
 #define err_show_ err_show
 #define err_txt_ err_txt
@@ -129,3 +132,5 @@ void err_set_outrtn_(void (*rtn)(), void *arg) {
 void err_short_(void) {
   ErrShort(ErrMessage);
 }
+
+#endif
diff --git a/tecs/str_buf.c b/tecs/str_buf.c
index efd47026..5d7ea71a 100644
--- a/tecs/str_buf.c
+++ b/tecs/str_buf.c
@@ -160,7 +160,7 @@ Str_Buf *str_create_buf(size_t size, char separator)
 { Str_Buf *buf;
 
   NEW(buf);
-  ERR_P(buf->buf=my_malloc(size, "buf"));
+  ERR_P(buf->buf=MALLOC(size));
   buf->dsize=size;
   buf->sep=separator;
   buf->wrpos=0;
@@ -184,6 +184,6 @@ void str_link_buf(Str_Buf *buf, char *str, int size, char separator) {
 }
 
 void str_free_buf(Str_Buf *buf)
-{ my_free(buf->buf);
-  my_free(buf);
+{ FREE(buf->buf);
+  FREE(buf);
 }
diff --git a/tecs/str_util.c b/tecs/str_util.c
index c165fc73..3674fda2 100644
--- a/tecs/str_util.c
+++ b/tecs/str_util.c
@@ -130,7 +130,7 @@ char *str_read_file(char *file) {
   i=stat(file, &statbuf);
   if (i<0) ERR_MSG("file not found");
   size=statbuf.st_size+4;
-  ERR_SP(str=my_malloc(size, file));
+  ERR_SP(str=MALLOC(size));
   e=&str[size-1];
   ERR_SP(fil=fopen(file, "r"));
   s=str;
diff --git a/tecs/sys_aunix.f b/tecs/sys_aunix.f
index 0bb776af..f26bb820 100644
--- a/tecs/sys_aunix.f
+++ b/tecs/sys_aunix.f
@@ -82,6 +82,120 @@
 	endif
 	end
 
+!!-----------------------------------------------------------------------------
+!!
+	subroutine SYS_TEMP_NAME(NAME, PATH) !!
+!!	====================================
+!! get a temporary file name
+!!
+	character*(*) NAME !! (in) name
+	character*(*) PATH !! (out) path
+
+	character line*64, pid*5
+	integer i, l
+
+	integer getppid
+
+	call sys_getenv('USER', line)
+	if (line .eq. ' ') then
+	  call str_trim(line, '/tmp/.'//name, l)
+	else
+	  call str_trim(line, '/tmp/.'//name//'_'//line, l)
+	endif
+
+	write(pid,'(i5)') getppid()
+	i=1
+1	if (pid(i:i) .eq. ' ') then
+	  i=i+1
+	  goto 1
+	endif
+	path=line(1:l)//'.'//pid(i:5)
+	end
+
+!!-----------------------------------------------------------------------------
+!!
+	subroutine SYS_LOAD_ENV(FILE) !!
+!!	=============================
+!! load environment from temporary file
+!!
+	character*(*) FILE !! filename
+
+	character path*128, line*128
+	integer lun, i, l
+
+	integer getppid
+
+	call sys_temp_name(file, path)
+	call sys_get_lun(lun)
+	open(lun,file=path,status='old',readonly,err=9)
+5	read(lun,'(q,a)',end=8) l, line
+	l=min(l,len(line))
+	i=index(line,'=')
+	if (i .eq. 0) then
+	  if (l .gt. 0) call sys_setenv(line(1:l), ' ')
+	elseif (i .gt. 1 .and. i .lt. l) then
+	  call sys_setenv(line(1:i-1),line(i+1:l))
+	endif	  
+	goto 5
+8	close(lun)
+9	call sys_free_lun(lun)
+	end
+
+!!-----------------------------------------------------------------------------
+!!
+	subroutine SYS_SAVE_ENV(FILE, NAMES, N_NAMES) !!
+!!	=============================================
+!! save environment on temporary file
+!!
+	character*(*) FILE      !! filename
+	integer N_NAMES         !! number of names
+	character*(*) NAMES(N_NAMES)    !! names of variables to save
+
+	character path*128, line*128
+	integer lun, i, j, l
+
+	call sys_temp_name(file, path)
+	call sys_get_lun(lun)
+
+	open(lun,file=path,status='unknown',carriagecontrol='list'
+	1,err=19)
+
+	do i=1,n_names
+	  call sys_getenv(names(i), line)
+	  call str_trim(names(i),names(i), j)
+	  call str_trim(line,line, l)
+	  write(lun,'(3a)') names(i)(1:j),'=',line(1:l)
+	enddo
+
+	close(lun)
+9	call sys_free_lun(lun)
+	return
+
+19	type *,'SYS_SAVE_ENV: can not open tmp. file'
+	goto 9
+	end
+
+!!-----------------------------------------------------------------------------
+!!
+	subroutine SYS_WAIT(SECONDS)	!!
+!!      ============================
+!! wait for SECONDS
+	real SECONDS !! resolution should be better than 0.1 sec.
+
+	real tim, del
+
+	tim=secnds(0.0)
+1	del=seconds-secnds(tim)
+	if (del .ge. 0.999) then
+	  call sleep(int(del))
+	  goto 1
+	endif
+	if (del .gt. 0) then	
+	  call usleep(int(del*1E6))
+	  goto 1
+	endif
+	end
+
 !!-----------------------------------------------------------------------------
 !!
 	subroutine SYS_GET_LUN(LUN)    !!
@@ -242,4 +356,3 @@
 	  endif
 	endif
 	end
-
diff --git a/tecs/sys_aunix_c.c b/tecs/sys_aunix_c.c
index 2b82975e..4b69f695 100644
--- a/tecs/sys_aunix_c.c
+++ b/tecs/sys_aunix_c.c
@@ -52,7 +52,7 @@ int called=0; /* env is valid only if called==1 */
 jmp_buf env;
 
 void (*inthdl)(int sig);
-void (*errhdl)();
+void (*errhdl)(void);
 
 void sighdl(int sig)
 { if (called) longjmp(env,sig);
@@ -128,3 +128,77 @@ void sys_get_raw_key_(char *key, int *tmo, int k_len)
   ires=tcsetattr(STDIN_FILENO,TCSANOW,&atts); /* restore term. attributes */
   if (ires!=0) {perror("***\n");};
 }
+
+
+void usleep_(int *usec) { usleep(*usec); }
+int getppid_(void) { return getppid(); }
+
+int sys_setenv_(ename,evalue,ilen1,ilen2)
+char *ename, *evalue;
+int  ilen1, ilen2;
+{
+  int setenv(char *p1, char *p2, int ow), i1, i2, ow, rc;
+  char *p1, *p2;
+
+  i1 = lnblnk_(ename,ilen1);
+  i2 = lnblnk_(evalue,ilen2);
+
+  p1 = malloc((unsigned) i1+1); if( p1 == NULL ) return (-1);
+  p2 = malloc((unsigned) i2+1); if( p2 == NULL ) { free(p1); return (-1); }
+
+  strncpy(p1,ename,i1); p1[i1] = '\0';
+  strncpy(p2,evalue,i2); p2[i2] = '\0';
+
+  ow = 1;
+
+  rc = setenv(p1, p2, ow);
+  free(p1); free(p2);
+  return(rc);
+}
+
+struct termios atts;
+
+void sys_rd_tmo_(char *prompt, char *result, int *reslen, int p_len, int r_len)
+{
+  struct termios attr;
+  int ires, i, ntmo, chr;
+
+  ires=tcgetattr(STDIN_FILENO,&attr);
+  atts=attr; /* save term. attr. */
+  if (ires!=0) {perror("***\n");}
+  attr.c_lflag &= ~(ICANON) & ~(ECHO); /* canonical mode off, echo off */
+  attr.c_cc[VMIN]=0;
+  ires= tcsetattr(STDIN_FILENO,TCSANOW,&attr);
+  if (ires!=0) {perror("***\n");}
+
+  do { chr=fgetc(stdin); } while (chr!=EOF);
+
+  for (i=0; i<p_len; i++)
+  { fputc(prompt[i], stderr);
+  };
+
+  ires=fflush(stdin);
+  ires=fflush(stderr);
+
+  *reslen=0;
+  if (prompt[0]=='\0') { ntmo=10; }
+  else { ntmo=200; }; /* wait 2 sec. for the first char */
+  while (*reslen<r_len)
+  { chr=fgetc(stdin);
+    if (chr==EOF)
+    { while ((chr==EOF) & (ntmo>0))
+      { usleep(10000); /* wait 10 ms */
+        chr=fgetc(stdin);
+        ntmo--;
+      };
+      if (chr==EOF) break;
+      if (chr==10) {ntmo=10;} else {ntmo=100;}; /* wait 0.1 sec after LF, 1 sec else */
+    };
+    result[(*reslen)++]=(char)chr;
+    if (chr==24) {(*reslen)=0;}; /* ctrl-X purges buffer */
+  };
+  if (result[(*reslen)-1]=10) {(*reslen)--;}; /* strip trailing LF */
+
+  ires=tcsetattr(STDIN_FILENO,TCSANOW,&atts); /* restore term. attributes */
+  if (ires!=0) {perror("***\n");};
+}
diff --git a/tecs/sys_util.c b/tecs/sys_util.c
index 79841c88..11f48afb 100644
--- a/tecs/sys_util.c
+++ b/tecs/sys_util.c
@@ -2,18 +2,6 @@
 #include "str_util.h"
 #include "sys_util.h"
 
-void *my_malloc(size_t size, const char *text) {
-  void *ptr;
-  ptr=calloc(1,size);
-/*  printf("new %s %X %d\n", text, ptr, size); */
-  return(ptr);
-}
-
-void my_free(void *ptr) {
-/*  printf("my_free %X\n", ptr); */
-  free(ptr);
-}
-
 #if __VMS
 
 #include <unixio.h>
diff --git a/tecs/sys_util.h b/tecs/sys_util.h
index b27c5d5e..9e1394b2 100644
--- a/tecs/sys_util.h
+++ b/tecs/sys_util.h
@@ -5,12 +5,13 @@
 #include "fortify.h"
 #endif
 
-/* secure allocation stuff ---------------------------------- */
+/* secure allocation stuff ----------------------------------
+   change these macros if you want to log dynamic memory access
+*/
 
-#define NEW(PTR) ERR_SP(PTR=my_malloc(sizeof(*PTR),#PTR))
-
-void *my_malloc(size_t size, const char *text);
-void my_free(void *ptr);
+#define NEW(PTR) ERR_SP(PTR=calloc(1,sizeof(*PTR)))
+#define MALLOC(SIZ) calloc(1,SIZ)
+#define FREE(PTR) free(PTR)
 
 /* fortran interface stuff ----------------------------------
 
@@ -35,7 +36,9 @@ typedef struct { short size, dummy; char *text; } SysVmsChar;
 #define STR_TO_F(DST,SRC) str_npad(DST, SRC, DST##_len)
 
 #else
-#error this machine is not supported
+
+/* other machines are not yet supported */
+
 #endif
 
 #endif /* _SYS_UTIL_H_ */
diff --git a/tecs/tecs.c b/tecs/tecs.c
index 61796969..febd9a39 100644
--- a/tecs/tecs.c
+++ b/tecs/tecs.c
@@ -3,6 +3,7 @@
 #include <stdlib.h>
 #include <assert.h>
 #include <sys/timeb.h>
+#include <time.h>
 #include <string.h>
 #include <ctype.h>
 #include "sys_util.h"
@@ -15,7 +16,7 @@
 
 int ftime (struct timeb *__timeptr); /* for some reason not defined in timeb.h with flag -std1 */
 
-#define TABLE_FILE "lsci.tab"
+#define TABLE_FILE "tecs.tab"
 #define Progress(I) if (configuring) { configuring+=I; }
 #define undef -65535.
 
@@ -25,7 +26,7 @@ static char *binDir=NULL;
 static char *logDir=NULL;
 
 typedef struct {
-  float t, t1, t2, min, max; /* temperatures */
+  float t, t1, t2, min, max, band; /* temperatures */
   int stat1, stat2; /* reading status summary */
   int present; /* sensor is present */
   int readStat; /* reading status */
@@ -65,6 +66,8 @@ static float
   tLimit, maxPower, /* heater parameters */
   tLow=0, tHigh=0, /* lower limit of high-T sensor, upper limit of low-T sensor */
   tShift=0, /* setpoint shift */
+  aux, /* auxilliary value, i.e. helium level */
+  full, /* full value for helium level */
   prop, integ, deriv, /* pid */
   maxShift=2, /* maximal shift in when controlMode=2 */
   tInt=0; /* integral time (sec.) for setpoint shift */
@@ -80,6 +83,7 @@ static int
   noResp=2, /* no response */
   quit, /* quit server */
   controlMode=2, /* 0: control on heater, 1: control on sample, 3: 2nd loop for difference heater-sample */
+  heliumMode, /* 0: no level meter, 1: constant current, 2: pulsed */
   int2=30, /* inegration time for controlMode 2 */
   remoteMode, /* 1: local, 2: remote */
   maxfld, /* last used display field */
@@ -115,7 +119,10 @@ static char
   chan[2], /* actual channel */
   alarms[20], /* alarm status */
   alarmList[4], /* alarm list */
-  dlogfile[128];
+  chanS[4], chanM[4], /* channels in input routine */
+  helium[80], /* helium level status */
+  dlogfile[128],
+  controlChannel[2]="A";
 
 static char
   *table=NULL, /* environment devices table */
@@ -217,7 +224,7 @@ int instCurve(char *nam, char *channel, int dispFld) {
     points=str_split(intype, t, '\n');
   }
   if (points==NULL) ERR_MSG("illegal curve file");
-  if (cache==NULL) { ERR_SP(cache=my_malloc(1,"one")); *cache='\0'; } /* create empty cache if undefined */
+  if (cache==NULL) { ERR_SP(cache=MALLOC(1)); *cache='\0'; } /* create empty cache if undefined */
 
   start=strchr(cache, '\n'); /* skip permanent data */
   if (start==NULL) { start=cache; } else { start++; }
@@ -327,7 +334,7 @@ int instCurve(char *nam, char *channel, int dispFld) {
     logfileOut(LOG_MAIN, "curve selected on channel %s\n", chan);
     saveTime=tim+30;
   }
-  my_free(crv); crv=NULL;
+  FREE(crv); crv=NULL;
 
   if (num<=20) return(0); /* standard curve, do not touch cache */
 
@@ -354,83 +361,95 @@ int instCurve(char *nam, char *channel, int dispFld) {
   ERR_SI(fputc('\0', fil));
   ERR_SI(fclose(fil));
   fil=NULL;
-  my_free(cache);
+  FREE(cache);
   /* re-read it */
   ERR_P(cache=str_read_file(nbuf));
   return(0);
 
   OnError:
-    if (crv!=NULL) my_free(crv);
+    if (crv!=NULL) FREE(crv);
     if (fil!=NULL) fclose(fil);
     return(retstat);
 }
 
 int configInput(void) {
-  char *t;
-  char buf[80], nam[16], nbuf[256], ch0[4], ch[4];
-  int i, n, nn, dispFld;
+  char *t, *e;
+  char buf[80], nam[16], nbuf[256], ch[4];
+  int i, l, n, nn, dispFld;
   int retstat;
   char *ext;
+  Str_Buf sbuf;
 
   retstat=-2; /* errors in following section are severe */
   if (tpoint->manual) {
     sprintf(buf, "'%s'", tpoint->device);
   } else {
-    sprintf(buf, "%+d ", tpoint->code);
+    sprintf(buf, "%+d,", tpoint->code);
     if (tpoint->code==0) return(0);
   }
-  if (table!=NULL && tim>tableTime+60) { my_free(table); table=NULL; }; /* clear old table */
+  if (table!=NULL && tim>tableTime+60) { FREE(table); table=NULL; }; /* clear old table */
   if (table==NULL) { /* read table */
     str_copy(nbuf, binDir);
     str_append(nbuf, TABLE_FILE);
     ERR_P(table=str_read_file(nbuf));
     tableTime=tim;
-    str_replace_char(table, 9, ' '); /* replace TAB (9) by space in order to find codes terminated by tab */
   }
   t=strstr(table, buf);
   if (t==NULL) ERR_MSG("device not found");
-  i=sscanf(t, "%79[^\n!]", buf); /* read line */
-  t=strchr(buf, '\'');
-  if (t==NULL) ERR_MSG("missing ' in table file");
-  t++;
+  e=strchr(t, '\'');
+  if (e==NULL || e>strchr(t,'\n')) ERR_MSG("missing ' or device name in table file");
+  t=e+1;
   if (tpoint==&samp) {
     sens3.present=0;
     sens4.present=0;
-    str_copy(ch, "C");
-    i=sscanf(t, "%12s %7s %7s", nam, ch0, ch);
-    if (i<1) ERR_MSG("missing sensor name");
-    str_copy(ch0, "CD");
     ext=".s";
     dispFld=2;
   } else {
     sens1.present=0;
     sens2.present=0;
+    ext=".x";
+    dispFld=1;
     tLow=0; tHigh=0;
     controlMode=0;
-    str_copy(ch, "A");
-    i=sscanf(t, "%12s %s %s %d %f %d %f %f %f", nam, ch, ch0, &controlMode, &tLimit, &resist, &maxPower, &tLow, &tHigh);
-    if (i<7) ERR_MSG("missing some sensor parameters");
-    if (!samp.manual && (NULL!=strchr(ch0,'A') || NULL!=strchr(ch0,'B'))) {
+    heliumMode=0;
+  }
+  chanS[0]='\0';
+  chanM[0]='\0';
+
+  i=sscanf(t, "%12s%n", nam, &l);
+  if (i<1) ERR_MSG("missing device name");
+  t+=l;
+
+  /* interprete settings until '+' appeares */
+  i=sscanf(t, "%64s%n", buf, &l);
+  while (i>0 && buf[0]!='+') {
+    t+=l;
+    e=strchr(buf,'=');
+    if (e==NULL) ERR_MSG("syntax error");
+    *e='\0';
+    str_link_buf(&sbuf, e+1, 0, ',');
+    ERR_I(CocGetVar(serverVarList, &sbuf, buf, 0));
+    i=sscanf(t, "%64s%n", buf, &l);
+  }
+
+  if (tpoint==&samp) {
+    str_copy(ch, chanS);
+  } else {
+    if (!samp.manual && (NULL!=strchr(chanS,'A') || NULL!=strchr(chanS,'B'))) {
       samp.dirty=1; /* sample and heat exchanger are on main plug */
       samp.code=cryo.code;
     }
-    str_copy(ch0, "AB");
-    ext=".x";
-    dispFld=1;
-  }
-  n=strlen(ch);
-  if (n==1) {
-    if (ch[0]=='0') {
-      n=0;
-    } else if (ch[0]=='1') {
-      ch[0]=ch0[0];
-    } else if (ch[0]=='2') {
-      str_copy(ch, ch0); n=2;
+    str_copy(ch, chanM);
+    if (heliumMode==0) {
+      sprintf(helium, "no He-level meter for '%s", nam);
+    } else {
+      sprintf(helium, "He-level meter not yet read", nam);
     }
-  } else if (n>2) {
-    ERR_MSG("no more than 2 channels per plug allowed");
   }
+
+  n=strlen(ch);
   if (n==0) return(0);
+  if (n>2) ERR_MSG("no more than 2 channels per plug allowed");
 
   nam[strlen(nam)-1]='\0'; /* strip off quote */
   if (!tpoint->manual) { /* set device name */
@@ -443,13 +462,28 @@ int configInput(void) {
   tpoint->sensor1->ch[1]='\0';
   ERR_I(retstat=instCurve(nam, tpoint->sensor1->ch, dispFld));
   tpoint->sensor1->present=1;
+  tpoint->sensor1->band=10;
   if (n==2) {
-    if (ch[1]<'A' || ch[1]>'D') ERR_MSG("illegal channel");
-    tpoint->sensor2->ch[0]=ch[1];
-    tpoint->sensor2->ch[1]='\0';
-    str_append(nam, "l");
-    ERR_I(retstat=instCurve(nam, tpoint->sensor2->ch, dispFld+2));
-    tpoint->sensor2->present=1;
+    if (ch[1]>='a' && ch[1]<='d') {
+      tpoint->sensor2->ch[0]=ch[1];
+      tpoint->sensor2->ch[1]='\0';
+      str_copy(chan, ch+1);
+      logfileOut(LOG_MAIN, "auxilliary input on channel %s\n", chan);
+      if (ch[0]>'b') {
+        ERR_P(LscCmd(ser, "INTYPE [chan]:0,1,2,1,13;MNMX [chan]:1,3"));
+      } else {
+        ERR_P(LscCmd(ser, "INTYPE [chan]:0,1,2,1,12;MNMX [chan]:1,3"));
+      }
+      tpoint->sensor2->present=2;
+    } else {
+      if (ch[1]<'A' || ch[1]>'D') ERR_MSG("illegal channel");
+      tpoint->sensor2->ch[0]=ch[1];
+      tpoint->sensor2->ch[1]='\0';
+      str_append(nam, "l");
+      ERR_I(retstat=instCurve(nam, tpoint->sensor2->ch, dispFld+2));
+      tpoint->sensor2->present=1;
+    }
+    tpoint->sensor2->band=10;
   }
   return(0);
   OnError: return(retstat);
@@ -532,12 +566,14 @@ void LogMinMax(int new) {
     s2->min=0;
     s2->max=0;
   }
-  sprintf(buf, "@%.3f < T < %.3f K", cryo.tMin, cryo.tMax);
-  if (samp.tMax>0.0) {
-    sprintf(buf1, " (reg), %.3f < T < %.3f K (samp)", samp.tMin, samp.tMax);
-    str_append(buf, buf1);
+  if (cryo.tMax>0.0) {
+    sprintf(buf, "@%.3f < T < %.3f K", cryo.tMin, cryo.tMax);
+    if (samp.tMax>0.0) {
+      sprintf(buf1, " (reg), %.3f < T < %.3f K (samp)", samp.tMin, samp.tMax);
+      str_append(buf, buf1);
+    }
+    logfileOut(LOG_MAIN, "%s\n", buf);
   }
-  logfileOut(LOG_MAIN, "%s\n", buf);
   if (new) {
     mmInt=60;
   } else if (mmInt<600) {
@@ -549,6 +585,7 @@ void LogMinMax(int new) {
 int ReadTemp(void) {
   char buf[256], bufs[256];
   int i, l, ls, stat;
+  struct tm *tb;
 
   readTemp=0;
 
@@ -568,17 +605,17 @@ int ReadTemp(void) {
     }
   }
   if (ls>0) {
-    bufs[ls-1]='\0'; /* strip off ';' */
-    ERR_P(LscCmd(ser, bufs));
-    str_append(buf, "MNMXRST");
+    buf[l-1]='\0'; /* strip off ';' */
     ERR_P(LscCmd(ser, buf));
+    str_append(bufs, "MNMXRST");
+    ERR_P(LscCmd(ser, bufs));
   }
 
   /* check for reading errors */
   for (i=1; i<=4; i++) {
     sensor=sensors[i];
     if (sensor->present) {
-      stat=sensor->stat1 | sensor->stat2;
+      stat=(sensor->stat1 | sensor->stat2) & 255;
       if (stat != sensor->readStat) {
         sensor->readStat=stat;
         if (stat &  1) logfileOut(LOG_MAIN, "invalid reading %s\n", sensor->ch);
@@ -591,12 +628,39 @@ int ReadTemp(void) {
         if (stat==0) logfileOut(LOG_MAIN, "reading o.k. %s\n", sensor->ch);
       }
       if (stat==0) {
-        if (sensor->t1 < 0.8*sensor->t2) {
+
+        if (sensor->present==2 && heliumMode==2) {
+          sensor->t = sensor->t1; /* take minimum only */
+        } else if (sensor->t2 - sensor->t1 <= sensor->band*2) { /* normal case */
+          sensor->t = (sensor->t1 + sensor->t2) * 0.5; /* mean of min and max */
+          sensor->band = sensor->band/2;
+        } else { /* probably noisy values */
           logfileOut(LOG_MAIN, "min/max %s: %f %f\n", sensor->ch, sensor->t1, sensor->t2);
+          if (fabs(sensor->t1 - sensor->t) < fabs(sensor->t2 - sensor->t) ) {
+            sensor->t=sensor->t1;
+            sensor->t2 = sensor->t1;
+          } else {
+            sensor->t=sensor->t2;
+            sensor->t1 = sensor->t1;
+          }
+          sensor->t1 = sensor->t;
+          sensor->t2 = sensor->t;
+        }
+        if (sensor->present==2) {
+          aux=sensor->t; sensor->t=0;
+          if (full>0 && heliumMode>0) {
+            tb=localtime(&tim);
+            if (aux<full && aux>0) {
+              sprintf(helium, "%5.1f %% (%02d.%02d., %02d:%02d)", 100.0*aux/full
+                , tb->tm_mday, tb->tm_mon+1, tb->tm_hour, tb->tm_min);
+            }
+          }
         }
-        sensor->t = (sensor->t1 + sensor->t2) * 0.5; /* mean of min and max */
         if (sensor->t1 < sensor->min || sensor->min==0.0) sensor->min = sensor->t1;
         if (sensor->t2 > sensor->max) sensor->max = sensor->t2;
+        if (sensor->max - sensor->min > sensor->band) {
+          sensor->band = sensor->max - sensor->min;
+        }
       } else {
         sensor->t=0;
       }
@@ -604,7 +668,7 @@ int ReadTemp(void) {
       sensor->t=0;
     }
   }
-  
+
   cryo.temp=WeightedAverage(sens1.t, sens2.t)*cryo.scale;
   samp.temp=WeightedAverage(sens3.t, sens4.t)*samp.scale;
   if (samp.temp==0.0) samp.temp=cryo.temp;
@@ -624,20 +688,22 @@ int SetTemp(int switchOn) {
   char *ch;
   float scale;
 
-  if (tempC>tLimit) tempC=tLimit;
+  if (tempC>tLimit) {
+    tempC=tLimit;
+    logfileOut(LOG_MAIN, "set point too high, reset to %f\n", tempC);
+  }
   if (switchOn) {
     ERR_I(ReadTemp());
     LogMinMax(1);
-    logfileOut(LOG_MAIN, "set %.3f\n", tempC);
   }
   scale=cryo.scale;
   ch=sens1.ch;
-  if (sens2.present && tempC<(tLow+tHigh)/2) ch=sens2.ch;
+  if (sens2.present==1 && tempC<(tLow+tHigh)/2) ch=sens2.ch;
   if (sens3.present) {
     if (controlMode==1) { /* control directly on sample sensor */
       tShift=0;
-      ch=sens3.ch;
-      if (sens2.present && tempC<(tLow+tHigh)/2) ch=sens4.ch;
+      if (sens3.t!=0) ch=sens3.ch;
+      if (sens4.present==1 && tempC<(tLow+tHigh)/2 && sens4.t!=0) ch=sens4.ch;
       scale=samp.scale;
     } else if (controlMode!=2) {
       tShift=0;
@@ -660,11 +726,16 @@ int SetTemp(int switchOn) {
     ERR_P(LscCmd(ser, "CSET 1:[chan],1,1,0;RANGE:0;SETP 1:0"));
   } else if (remoteMode==1) { /* in local mode: do not switch on heater */
     ERR_P(LscCmd(ser, "SETP 1:[tempH]"));
+    ch=controlChannel;
   } else if (switchOn || (htrst>=5 && relay==0)) { /* switch on also when bad heater message and no alarms */
     ERR_P(LscCmd(ser, "CSET 1:[chan],1,1,0;RANGE:[iRange];SETP 1:[tempH]"));
   } else {
     ERR_P(LscCmd(ser, "CSET 1:[chan],1;SETP 1:[tempH]"));
   }
+  if (0!=strcmp(ch, controlChannel) || switchOn) {
+    str_copy(controlChannel, ch);
+    logfileOut(LOG_MAIN, "set %f (on %s)\n", tempC, ch);
+  }
   return(0);
   OnError: return(-1);
 }
@@ -690,12 +761,12 @@ int PeriodicTask(void) {
     if (0!=strcmp(buf1, "LSCI") || 0!=strcmp(buf2, "MODEL340") || serialNo==0) return(0);
     if (k!=serialNo) { /* controller exchanged or we are initializing */
       if (!configuring) {
-        str_copy(status, "controller connected");
+        logfileOut(LOG_MAIN, "controller connected\n");
       }
       if (remoteMode==2) configuring++;
       tempC=0;
       /* reload curve cache: */
-      if (cache!=NULL) my_free(cache);
+      if (cache!=NULL) FREE(cache);
       sprintf(lbuf, "lsc.%d", serialNo);
       str_copy(buf, logDir);
       str_append(buf, lbuf);
@@ -797,7 +868,7 @@ int PeriodicTask(void) {
       t3[1]=samp.temp;
       i=2;
     } else {
-      if (sens2.present) {
+      if (sens2.present==1) {
         t3[1]=sens2.t;
         i=2;
       } else {
@@ -818,7 +889,7 @@ int PeriodicTask(void) {
   if (tempC!=0) {
     if (sens1.present && sens3.present && controlMode==2) {
       t=sens1.t;
-      if (sens2.present && tempC<(tLow+tHigh)/2) t=sens2.t;
+      if (sens2.present==1 && tempC<(tLow+tHigh)/2) t=sens2.t;
       d=(tempH-t)/t-1.0; /* relative difference */
       w=exp(-d*d*230); /* gaussian */
       if (w<0.1) tInt=0; /* reset when far from setpoint (more than 10 %) */
@@ -861,12 +932,12 @@ int PeriodicTask(void) {
           if (tpoint->codChanged) { /* code change confirmed */
             tpoint->codChanged=0;
             Progress(1);
+            tpoint->manual=0;
             if (tpoint->code1==0) {
               logfileOut(LOG_MAIN, "%s unplugged\n", tpoint->tname);
             } else {
               logfileOut(LOG_MAIN, "plugged %d on %s\n", tpoint->code1, tpoint->tname);
             }
-            tpoint->manual=0;
             tempC=0;
             remoteMode=2; /* set to remote mode */
             LscCmd(ser, "MODE:[remoteMode]");
@@ -893,7 +964,11 @@ int PeriodicTask(void) {
         ERR_P(LscCmd(ser, "RANGE?>iRange"));
         if (iRange==0) tempC=0;
       } else {
-        ERR_P(LscCmd(ser, "RANGE?>iRange;SETP?1>tempC"));
+        ERR_P(LscCmd(ser, "RANGE?>iRange;CSET?1>,cod1,;SETP?1>tempC"));
+        if (cod1!=1) {
+          tempC=0;
+          logfileOut(LOG_MAIN, "set point was not in K, set to 0\n");
+        }
       }
       setFlag=(iRange>0);
     }
@@ -921,6 +996,9 @@ int inputSettings(Testpoint *this) {
       } else {
         if (tpoint->code==0) {
           logfileOut(LOG_MAIN ,"reset %s inputs\n", tpoint->tname);
+	  if (cryo.code==0 && samp.code==0) {
+            logfileOut(LOG_MAIN, "no more sensor connected\n");
+          }
         } else {
           logfileOut(LOG_MAIN ,"configure %s inputs for code %+d\n", tpoint->tname, tpoint->code);
         }
@@ -988,7 +1066,7 @@ int Display(void) {
     s=sensors[i];
     if (s->present) {
       flds[k]=s->ch[0];
-      fmt[k]='1';
+      if (s->present==1) { fmt[k]='1'; } else { fmt[k]='3'; } /* special value */
       if (k>maxfld) maxfld=k;
     } else {
       flds[k]='\0';
@@ -1075,7 +1153,7 @@ int Settings(void) {
         p=str_split(buf, p, '\n');
         ERR_P(LscCmd(ser, buf));
       }
-      my_free(cfg);
+      FREE(cfg);
     } else {
       cryo.scale=1;
       samp.scale=1;
@@ -1085,7 +1163,7 @@ int Settings(void) {
   }
   return(0);
   OnError:
-    if (cfg!=NULL) my_free(cfg);
+    if (cfg!=NULL) FREE(cfg);
     return(-1);
 }
 
@@ -1322,7 +1400,11 @@ int main(int argc, char *argv[])
   CocDefFlt(deriv, pidFlag);
   CocDefFlt(tempC, setFlag);
   CocDefFlt(tempH, CocRD);
+  CocDefFlt(aux, CocRD);
+  CocDefFlt(full, CocWR);
   CocDefFlt(tLimit, CocRD);
+  CocDefFlt(tLow, CocRD);
+  CocDefFlt(tHigh, CocRD);
   CocDefFlt(maxShift, CocWR);
 
   CocDefStr(device, deviceFlag);
@@ -1333,6 +1415,9 @@ int main(int argc, char *argv[])
   CocDefStr(buf4, CocRD);
   CocDefStr(head, CocRD);
   CocDefStr(chan, CocRD);
+  CocDefStr(chanS, CocRD);
+  CocDefStr(chanM, CocRD);
+  CocDefStr(helium, CocRD);
   CocDefStr(intype, CocRD);
   CocDefStr(status, CocRD);
   CocDefStr(dlogfile, CocRD);
@@ -1350,6 +1435,7 @@ int main(int argc, char *argv[])
   CocDefInt(iAmp, CocRD);
   CocDefInt(iRange, CocRD);
   CocDefInt(remoteMode, CocRD);
+  CocDefInt(heliumMode, CocRD);
   CocDefInt(htrst, CocRD);
 
   CocDefInt(logPeriod, CocWR);
diff --git a/tecs/tecs_cli.c b/tecs/tecs_cli.c
index 783c04a4..32637b18 100644
--- a/tecs/tecs_cli.c
+++ b/tecs/tecs_cli.c
@@ -13,7 +13,11 @@ pTecsClient TeccInit(char *startcmd, int port) {
   CocConn *conn;
 
   NEW(conn);
-  ERR_I(CocInitClient(conn, "", port, "#rwacs", 0, startcmd));
+  if (startcmd[0]=='#') {
+    ERR_I(CocInitClient(conn, startcmd+1, port, "#rwacs", 0, ""));
+  } else {
+    ERR_I(CocInitClient(conn, "", port, "#rwacs", 0, startcmd));
+  }
   CocDefFlt(tempC, CocRD);
   CocDefFlt(tempP, CocRD);
   CocDefFlt(tempX, CocRD);
@@ -115,7 +119,7 @@ int TeccQuitServer(pTecsClient conn) {
 void TeccClose(pTecsClient conn) {
   if (conn!=NULL) {
     CocCloseClient(conn);
-    my_free(conn);
+    FREE(conn);
   }
 }
 
@@ -126,6 +130,10 @@ void TeccClose(pTecsClient conn) {
 
 */
 
+#ifdef F_CHAR
+/* compile only when fortran c interface stuff is defined */
+
+
 #ifdef __VMS
 #define tecs_get_par_ tecs_get_par
 #define tecs_set_par_ tecs_set_par
@@ -211,3 +219,4 @@ int tecs_quit_server_(void) {
   return(TeccQuitServer(conn));
 }
 
+#endif
diff --git a/tecs/tecs_client.f b/tecs/tecs_client.f
index 28e18a63..62b1bdd8 100644
--- a/tecs/tecs_client.f
+++ b/tecs/tecs_client.f
@@ -96,6 +96,7 @@
 	  l=0
 	  goto 11
 	elseif (cmd .eq. 'plot') then
+	  call cho_choose('G')
 	  iret=tecs_get_par('dlogfile', file)
 	  if (iret .lt. 0) goto 19
 	  call tecs_plot(file)
diff --git a/tecs/tecs_dlog.inc b/tecs/tecs_dlog.inc
index 3f0652a1..7eaaf7d0 100644
--- a/tecs/tecs_dlog.inc
+++ b/tecs/tecs_dlog.inc
@@ -1,6 +1,9 @@
-	parameter version=106, recs=1024, mdat=4, recl=mdat*recs
-	parameter step=5, size=8*24*3600/step, dirlen=size/recs+1
-	parameter undef=-65535.0
+	integer version, recs, mdat, recl
+	parameter (version=106, recs=1024, mdat=4, recl=mdat*recs)
+	integer step,size,dirlen
+	parameter (step=5, size=8*24*3600/step, dirlen=size/recs+1)
+	real undef
+	parameter (undef=-65535.0)
 
 	integer lunw, lunr, wrec, rrec
 	integer vers, stim, etim
diff --git a/tecs/tecs_plot.f90 b/tecs/tecs_plot.f90
index 6ca472e7..a34ba584 100644
--- a/tecs/tecs_plot.f90
+++ b/tecs/tecs_plot.f90
@@ -31,6 +31,10 @@ subroutine tecs_plot(file)
   right=.true.
   call pgopen(" ")
   call pgqinf('TYPE', buf, l)
+  if (buf=='NULL') then
+    print *,'No PGPLOT-Device defined'
+    goto 9
+  endif
   xwin=(buf(1:1)=='X')
   live=.not. xwin ! live switched off by default on X-Windows