[lcd4linux @ 2000-03-18 10:31:06 by reinelt]

added sensor handling (for temperature etc.)
made data collecting happen only if data is used
(reading /proc/meminfo takes a lot of CPU!)
released lcd4linux-0.92

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@13 3ae390bd-cb1e-0410-b409-cd5a39f66f1f

6 files changed, 211 insertions, 120 deletions

diff --git a/configure b/configure
index 9c0547a..89cc8de 100755
--- a/configure
+++ b/configure
@@ -691,7 +691,7 @@ fi
 
 PACKAGE=lcd4linux
 
-VERSION=0.91
+VERSION=0.92
 
 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
   { echo "configure: error: source directory already configured; run "make distclean" there first" 1>&2; exit 1; }
@@ -997,9 +997,9 @@ else
 fi
 
 
-echo $ac_n "checking for main in -lm""... $ac_c" 1>&6
-echo "configure:1002: checking for main in -lm" >&5
-ac_lib_var=`echo m'_'main | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for log in -lm""... $ac_c" 1>&6
+echo "configure:1002: checking for log in -lm" >&5
+ac_lib_var=`echo m'_'log | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1008,12 +1008,16 @@ LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
 #line 1010 "configure"
 #include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char log();
 
 int main() {
-main()
+log()
 ; return 0; }
 EOF
-if { (eval echo configure:1017: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1021: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1042,7 +1046,7 @@ fi
 
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1046: checking how to run the C preprocessor" >&5
+echo "configure:1050: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1057,13 +1061,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1061 "configure"
+#line 1065 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1067: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1071: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1074,13 +1078,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1078 "configure"
+#line 1082 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1084: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1088: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1091,13 +1095,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 1095 "configure"
+#line 1099 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1101: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1105: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1122,12 +1126,12 @@ fi
 echo "$ac_t""$CPP" 1>&6
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:1126: checking for ANSI C header files" >&5
+echo "configure:1130: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1131 "configure"
+#line 1135 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -1135,7 +1139,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1139: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1143: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1152,7 +1156,7 @@ rm -f conftest*
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 1156 "configure"
+#line 1160 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -1170,7 +1174,7 @@ fi
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 1174 "configure"
+#line 1178 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -1191,7 +1195,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 1195 "configure"
+#line 1199 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -1202,7 +1206,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:1206: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1210: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -1229,17 +1233,17 @@ for ac_hdr in fcntl.h sys/ioctl.h sys/time.h unistd.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1233: checking for $ac_hdr" >&5
+echo "configure:1237: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1238 "configure"
+#line 1242 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1243: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1247: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1267,12 +1271,12 @@ done
 
 
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:1271: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:1275: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1276 "configure"
+#line 1280 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -1281,7 +1285,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:1285: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1289: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -1304,13 +1308,13 @@ fi
 
 if test $ac_cv_prog_gcc = yes; then
     echo $ac_n "checking whether ${CC-cc} needs -traditional""... $ac_c" 1>&6
-echo "configure:1308: checking whether ${CC-cc} needs -traditional" >&5
+echo "configure:1312: checking whether ${CC-cc} needs -traditional" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc_traditional'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
     ac_pattern="Autoconf.*'x'"
   cat > conftest.$ac_ext <<EOF
-#line 1314 "configure"
+#line 1318 "configure"
 #include "confdefs.h"
 #include <sgtty.h>
 Autoconf TIOCGETP
@@ -1328,7 +1332,7 @@ rm -f conftest*
 
   if test $ac_cv_prog_gcc_traditional = no; then
     cat > conftest.$ac_ext <<EOF
-#line 1332 "configure"
+#line 1336 "configure"
 #include "confdefs.h"
 #include <termio.h>
 Autoconf TCGETA
@@ -1352,12 +1356,12 @@ fi
 for ac_func in gettimeofday strdup strerror strstr strtol uname
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:1356: checking for $ac_func" >&5
+echo "configure:1360: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1361 "configure"
+#line 1365 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -1380,7 +1384,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1384: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1388: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
diff --git a/configure.in b/configure.in
index bac7539..b195cb6 100644
--- a/configure.in
+++ b/configure.in
@@ -1,13 +1,12 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_INIT(lcd4linux.c)
-AM_INIT_AUTOMAKE(lcd4linux, 0.91)
+AM_INIT_AUTOMAKE(lcd4linux, 0.92)
 
 dnl Checks for programs.
 AC_PROG_CC
 
 dnl Checks for libraries.
-dnl Replace `main' with a function in -lm:
-AC_CHECK_LIB(m, main)
+AC_CHECK_LIB(m, log)
 
 dnl Checks for header files.
 AC_HEADER_STDC
diff --git a/lcd4linux.c b/lcd4linux.c
index 9797d9e..f006f97 100644
--- a/lcd4linux.c
+++ b/lcd4linux.c
@@ -1,4 +1,4 @@
-/* $Id: lcd4linux.c,v 1.5 2000/03/18 08:07:04 reinelt Exp $
+/* $Id: lcd4linux.c,v 1.6 2000/03/18 10:31:06 reinelt Exp $
  *
  * LCD4Linux
  *
@@ -20,6 +20,13 @@
  *
  *
  * $Log: lcd4linux.c,v $
+ * Revision 1.6  2000/03/18 10:31:06  reinelt
+ *
+ * added sensor handling (for temperature etc.)
+ * made data collecting happen only if data is used
+ * (reading /proc/meminfo takes a lot of CPU!)
+ * released lcd4linux-0.92
+ *
  * Revision 1.5  2000/03/18 08:07:04  reinelt
  *
  * vertical bars implemented
@@ -60,12 +67,15 @@ double overload;
 int tick, tack, tau;
 int rows, cols, xres, yres, supported_bars;
 
+int token_usage[256]={0,};
+
 struct { int total, used, free, shared, buffer, cache, apps; } ram;
 struct { double load1, load2, load3, overload; } load;
 struct { double user, nice, system, idle; } busy;
 struct { int read, write, total, max, peak; } disk;
 struct { int rx, tx, total, max, peak; } net;
 struct { int usage, in, out, total, max, peak; } isdn;
+struct { double val, min, max; } sensor[SENSORS];
 
 static void usage(void)
 {
@@ -75,27 +85,48 @@ static void usage(void)
 
 static void collect_data (void) 
 {
-  Ram (&ram.total, &ram.free, &ram.shared, &ram.buffer, &ram.cache); 
-  ram.used=ram.total-ram.free;
-  ram.apps=ram.used-ram.buffer-ram.cache;
+  int i;
 
-  Load (&load.load1, &load.load2, &load.load3);
-  Busy (&busy.user, &busy.nice, &busy.system, &busy.idle);
-
-  Disk (&disk.read, &disk.write);
-  disk.total=disk.read+disk.write;
-  disk.max=disk.read>disk.write?disk.read:disk.write;
-  if (disk.max>disk.peak) disk.peak=disk.max;
+  if (token_usage[C_MEM]) {
+    Ram (&ram.total, &ram.free, &ram.shared, &ram.buffer, &ram.cache); 
+    ram.used=ram.total-ram.free;
+    ram.apps=ram.used-ram.buffer-ram.cache;
+  }
+  
+  if (token_usage[C_LOAD]) {
+    Load (&load.load1, &load.load2, &load.load3);
+  }
+  
+  if (token_usage[C_CPU]) {
+    Busy (&busy.user, &busy.nice, &busy.system, &busy.idle);
+  }
+  
+  if (token_usage[C_DISK]) {
+    Disk (&disk.read, &disk.write);
+    disk.total=disk.read+disk.write;
+    disk.max=disk.read>disk.write?disk.read:disk.write;
+    if (disk.max>disk.peak) disk.peak=disk.max;
+  }
+  
+  if (token_usage[C_NET]) {
+    Net (&net.rx, &net.tx);
+    net.total=net.rx+net.tx;
+    net.max=net.rx>net.tx?net.rx:net.tx;
+    if (net.max>net.peak) net.peak=net.max;
+  }
 
-  Net (&net.rx, &net.tx);
-  net.total=net.rx+net.tx;
-  net.max=net.rx>net.tx?net.rx:net.tx;
-  if (net.max>net.peak) net.peak=net.max;
+  if (token_usage[C_ISDN]) {
+    Isdn (&isdn.in, &isdn.out, &isdn.usage);
+    isdn.total=isdn.in+isdn.out;
+    isdn.max=isdn.in>isdn.out?isdn.in:isdn.out;
+    if (isdn.max>isdn.peak) isdn.peak=isdn.max;
+  }
 
-  Isdn (&isdn.in, &isdn.out, &isdn.usage);
-  isdn.total=isdn.in+isdn.out;
-  isdn.max=isdn.in>isdn.out?isdn.in:isdn.out;
-  if (isdn.max>isdn.peak) isdn.peak=isdn.max;
+  for (i=1; i<SENSORS; i++) {
+    if (token_usage[T_SENSOR_1+i-1]) {
+      Sensor (i, &sensor[i].val, &sensor[i].min, &sensor[i].max);
+    }
+  }
 }
 
 static double query (int token)
@@ -171,12 +202,14 @@ static double query (int token)
   case T_SENSOR_7:
   case T_SENSOR_8:
   case T_SENSOR_9:
+    return sensor[token-T_SENSOR_1+1].val;
   }
   return 0.0;
 }
 
 static double query_bar (int token)
 {
+  int i;
   double value=query(token);
   
   switch (token) {
@@ -216,6 +249,17 @@ static double query_bar (int token)
   case T_ISDN_TOTAL:
     return value/isdn.peak/2.0;
 
+  case T_SENSOR_1:
+  case T_SENSOR_2:
+  case T_SENSOR_3:
+  case T_SENSOR_4:
+  case T_SENSOR_5:
+  case T_SENSOR_6:
+  case T_SENSOR_7:
+  case T_SENSOR_8:
+  case T_SENSOR_9:
+    i=token-T_SENSOR_1+1;
+    return (value-sensor[i].min)/(sensor[i].max-sensor[i].min);
   }
   return value;
 }
@@ -258,6 +302,15 @@ void print_token (int token, char **p)
   case T_LOAD_1:
   case T_LOAD_2:
   case T_LOAD_3:
+  case T_SENSOR_1:
+  case T_SENSOR_2:
+  case T_SENSOR_3:
+  case T_SENSOR_4:
+  case T_SENSOR_5:
+  case T_SENSOR_6:
+  case T_SENSOR_7:
+  case T_SENSOR_8:
+  case T_SENSOR_9:
     val=query(token);
     if (val<10.0) {
       *p+=sprintf (*p, "%4.2f", val);
@@ -342,8 +395,8 @@ void main (int argc, char *argv[])
     cfg=argv[1];
   }
 
-  cfg_set ("row1", "*** %o %r ***");
-  cfg_set ("row2", "%p CPU  %m MB RAM");
+  cfg_set ("row1", "*** %o %v ***");
+  cfg_set ("row2", "%p CPU  %r MB RAM");
   cfg_set ("row3", "Busy %cu%% $r10cu");
   cfg_set ("row4", "Load %l1%L$r10l1");
 
@@ -376,9 +429,9 @@ void main (int argc, char *argv[])
   for (i=1; i<=rows; i++) {
     char buffer[8];
     snprintf (buffer, sizeof(buffer), "row%d", i);
-    row[i]=strdup(parse(cfg_get(buffer), supported_bars));
+    row[i]=strdup(parse(cfg_get(buffer), supported_bars, token_usage));
   }
-  
+
   lcd_clear();
   lcd_put (1, 1, "** LCD4Linux V" VERSION " **");
   lcd_put (2, 1, " (c) 2000 M.Reinelt");
diff --git a/lcd4linux.conf.sample b/lcd4linux.conf.sample
index 69e6a53..efcbe78 100644
--- a/lcd4linux.conf.sample
+++ b/lcd4linux.conf.sample
@@ -8,10 +8,15 @@ Contrast 160
 #Row3 "Busy %cu%% $r10cs+cb"
 #Row4 "Load %l1%L$r10l1"
 
+#Row1 "Load %l1%L$r10cs+cb"
+#Row2 "Disk %dm $R10dr+dw"
+#Row3 "Net  %nm $R10nr+nw"
+#Row4 "ISDN %im $r10ii+io"
+
 Row1 "Load %l1%L$r10cs+cb"
-Row2 "Disk %dm $R10dr+dw"
-Row3 "Net  %nm $R10nr+nw"
-Row4 "ISDN %im $r10ii+io"
+Row2 "Temp %s2\337$r10s1+s2"
+Row3 "Disk %dm $R10dr+dw"
+Row4 "Net  %nm $R10nr+nw"
 
 #Row1 "$u3l1$u3cb$u3cs $u3mu$u3ma$u3ms $u3dr$u3dw $u3nr$u3nw $u3ii$u3io"
 #Row2 " "
@@ -23,8 +28,16 @@ Tack 400
 Tau 500
 Overload 2.0
 
-Sensor1 /proc/sys/dev/sensors/w83781d-isa-0290/temp2
+Sensor1 /proc/sys/dev/sensors/w83781d-isa-0290/temp1
 Sensor1_min 30
 Sensor1_max 50
 
+Sensor2 /proc/sys/dev/sensors/w83781d-isa-0290/temp2
+Sensor2_min 30
+Sensor2_max 50
+
+Sensor3 /proc/sys/dev/sensors/w83781d-isa-0290/temp3
+Sensor3_min 30
+Sensor3_max 50
+
 Fifo /var/run/lcd4linux
diff --git a/parser.c b/parser.c
index 1a287e2..2c7ac66 100644
--- a/parser.c
+++ b/parser.c
@@ -1,4 +1,4 @@
-/* $Id: parser.c,v 1.2 2000/03/17 09:21:42 reinelt Exp $
+/* $Id: parser.c,v 1.3 2000/03/18 10:31:06 reinelt Exp $
  *
  * row definition parser
  *
@@ -20,6 +20,13 @@
  *
  *
  * $Log: parser.c,v $
+ * Revision 1.3  2000/03/18 10:31:06  reinelt
+ *
+ * added sensor handling (for temperature etc.)
+ * made data collecting happen only if data is used
+ * (reading /proc/meminfo takes a lot of CPU!)
+ * released lcd4linux-0.92
+ *
  * Revision 1.2  2000/03/17 09:21:42  reinelt
  *
  * various memory statistics added
@@ -35,9 +42,11 @@
 /* 
  * exported functions:
  *
- * char *parse (char *string, int supported_bars)
+ * char *parse (char *string, int supported_bars, int usage[])
  *    converts a row definition from the config file
  *    into the internal form using tokens
+ *    sets the array usage[token] to usage count
+ *
  */
 
 #include <stdlib.h>
@@ -51,54 +60,54 @@
 typedef struct {
   char *symbol;
   TOKEN token;
+  CLASS class;
   int bar;
 } SYMTAB;
 
-static SYMTAB Symtab[] = {{ "%",  T_PERCENT, 0 },
-			  { "$",  T_DOLLAR, 0 },
-			  { "o",  T_OS, 0 },
-			  { "v",  T_RELEASE, 0 },
-			  { "p",  T_CPU, 0 },
-			  { "r",  T_RAM, 0 },
-			  { "mt", T_MEM_TOTAL, 1 },
-			  { "mu", T_MEM_USED, 1 },
-			  { "mf", T_MEM_FREE, 1 },
-			  { "ms", T_MEM_SHARED, 1 },
-			  { "mb", T_MEM_BUFFER, 1 },
-			  { "mc", T_MEM_CACHE, 1 },
-			  { "ma", T_MEM_APP, 1 },
-			  { "l1", T_LOAD_1, 1 },
-			  { "l2", T_LOAD_2, 1 },
-			  { "l3", T_LOAD_3, 1 },
-			  { "L",  T_OVERLOAD, 0 },
-			  { "cu", T_CPU_USER, 1 },
-			  { "cn", T_CPU_NICE, 1 },
-			  { "cs", T_CPU_SYSTEM, 1 },
-			  { "cb", T_CPU_BUSY, 1 },
-			  { "ci", T_CPU_IDLE, 1 },
-			  { "dr", T_DISK_READ, 1 },
-			  { "dw", T_DISK_WRITE, 1 },
-			  { "dt", T_DISK_TOTAL, 1 },
-			  { "dm", T_DISK_MAX, 1 },
-			  { "nr", T_NET_RX, 1 },
-			  { "nw", T_NET_TX, 1 },
-			  { "nt", T_NET_TOTAL, 1 },
-			  { "nm", T_NET_MAX, 1 },
-			  { "ii", T_ISDN_IN, 1 },
-			  { "io", T_ISDN_OUT, 1 },
-			  { "it", T_ISDN_TOTAL, 1 },
-			  { "im", T_ISDN_MAX, 1 },
-			  { "s1", T_SENSOR_1, 1 },
-			  { "s1", T_SENSOR_2, 1 },
-			  { "s2", T_SENSOR_3, 1 },
-			  { "s3", T_SENSOR_4, 1 },
-			  { "s4", T_SENSOR_5, 1 },
-			  { "s5", T_SENSOR_6, 1 },
-			  { "s6", T_SENSOR_7, 1 },
-			  { "s7", T_SENSOR_8, 1 },
-			  { "s8", T_SENSOR_9, 1 },
-			  { "",   -1 }};
-
+static SYMTAB Symtab[] = {{ "%",  T_PERCENT,    C_GENERIC, 0 },
+			  { "$",  T_DOLLAR,     C_GENERIC, 0 },
+			  { "o",  T_OS,         C_GENERIC, 0 },
+			  { "v",  T_RELEASE,    C_GENERIC, 0 },
+			  { "p",  T_CPU,        C_GENERIC, 0 },
+			  { "r",  T_RAM,        C_GENERIC, 0 },
+			  { "mt", T_MEM_TOTAL,  C_MEM,     1 },
+			  { "mu", T_MEM_USED,   C_MEM,     1 },
+			  { "mf", T_MEM_FREE,   C_MEM,     1 },
+			  { "ms", T_MEM_SHARED, C_MEM,     1 },
+			  { "mb", T_MEM_BUFFER, C_MEM,     1 },
+			  { "mc", T_MEM_CACHE,  C_MEM,     1 },
+			  { "ma", T_MEM_APP,    C_MEM,     1 },
+			  { "l1", T_LOAD_1,     C_LOAD,    1 },
+			  { "l2", T_LOAD_2,     C_LOAD,    1 },
+			  { "l3", T_LOAD_3,     C_LOAD,    1 },
+			  { "L",  T_OVERLOAD,   C_LOAD,    0 },
+			  { "cu", T_CPU_USER,   C_CPU,     1 },
+			  { "cn", T_CPU_NICE,   C_CPU,     1 },
+			  { "cs", T_CPU_SYSTEM, C_CPU,     1 },
+			  { "cb", T_CPU_BUSY,   C_CPU,     1 },
+			  { "ci", T_CPU_IDLE,   C_CPU,     1 },
+			  { "dr", T_DISK_READ,  C_DISK,    1 },
+			  { "dw", T_DISK_WRITE, C_DISK,    1 },
+			  { "dt", T_DISK_TOTAL, C_DISK,    1 },
+			  { "dm", T_DISK_MAX,   C_DISK,    1 },
+			  { "nr", T_NET_RX,     C_NET,     1 },
+			  { "nw", T_NET_TX,     C_NET,     1 },
+			  { "nt", T_NET_TOTAL,  C_NET,     1 },
+			  { "nm", T_NET_MAX,    C_NET,     1 },
+			  { "ii", T_ISDN_IN,    C_ISDN,    1 },
+			  { "io", T_ISDN_OUT,   C_ISDN,    1 },
+			  { "it", T_ISDN_TOTAL, C_ISDN,    1 },
+			  { "im", T_ISDN_MAX,   C_ISDN,    1 },
+			  { "s1", T_SENSOR_1,   C_SENSOR,  1 },
+			  { "s2", T_SENSOR_2,   C_SENSOR,  1 },
+			  { "s3", T_SENSOR_3,   C_SENSOR,  1 },
+			  { "s4", T_SENSOR_4,   C_SENSOR,  1 },
+			  { "s5", T_SENSOR_5,   C_SENSOR,  1 },
+			  { "s6", T_SENSOR_6,   C_SENSOR,  1 },
+			  { "s7", T_SENSOR_7,   C_SENSOR,  1 },
+			  { "s8", T_SENSOR_8,   C_SENSOR,  1 },
+			  { "s9", T_SENSOR_9,   C_SENSOR,  1 },
+			  { "",  -1,            0 }};
 
 static int bar_type (char tag)
 {
@@ -116,7 +125,7 @@ static int bar_type (char tag)
   }
 }
 
-static TOKEN get_token (char *s, char **p, int bar)
+static TOKEN get_token (char *s, char **p, int bar, int usage[])
 {
   int i;
   for (i=0; Symtab[i].token!=-1; i++) {
@@ -124,24 +133,27 @@ static TOKEN get_token (char *s, char **p, int bar)
     if (bar && !Symtab[i].bar) continue;
     if (strncmp(Symtab[i].symbol, s, l)==0) {
       *p=s+l;
+      usage[Symtab[i].token]++;
+      usage[Symtab[i].class]++;
       return Symtab[i].token;
     }
   }
   return -1;
 }
 
-char *parse (char *string, int supported_bars)
+char *parse (char *string, int supported_bars, int usage[])
 {
   static char buffer[256];
   char *s=string;
   char *p=buffer;
-  int token, token2, type, len;
+  TOKEN token, token2;
+  int type, len;
 
   do {
     switch (*s) {
       
     case '%':
-      if ((token=get_token (++s, &s, 0))==-1) {
+      if ((token=get_token (++s, &s, 0, usage))==-1) {
 	fprintf (stderr, "WARNING: unknown token <%%%c> in <%s>\n", *s, string);
       } else {
 	*p++='%';
@@ -165,7 +177,7 @@ char *parse (char *string, int supported_bars)
 	fprintf (stderr, "WARNING: invalid bar length in <%s>\n", string);
 	break;
       }
-      if ((token=get_token (s, &s, 0))==-1) {
+      if ((token=get_token (s, &s, 0, usage))==-1) {
 	fprintf (stderr, "WARNING: unknown token <$%c> in <%s>\n", *s, string);
 	break;
       }
@@ -179,7 +191,7 @@ char *parse (char *string, int supported_bars)
 	  fprintf (stderr, "WARNING: driver does not support double bars\n");
 	  break;
 	}
-	if ((token2=get_token (s+1, &s, 0))==-1) {
+	if ((token2=get_token (s+1, &s, 0, usage))==-1) {
 	  fprintf (stderr, "WARNING: unknown token <$%c> in <%s>\n", *s, string);
 	  break;
 	}
@@ -202,7 +214,7 @@ char *parse (char *string, int supported_bars)
 	  fprintf (stderr, "WARNING: illegal '\\' in <%s>\n", string);
 	} else {
 	  *p++=c;
-	  s+=n-1;
+	  s+=n+1;
 	}
       }
       break;
@@ -216,4 +228,3 @@ char *parse (char *string, int supported_bars)
   *p='\0';
   return buffer;
 }
-
diff --git a/parser.h b/parser.h
index fbef9f9..8f42218 100644
--- a/parser.h
+++ b/parser.h
@@ -1,4 +1,4 @@
-/* $Id: parser.h,v 1.2 2000/03/17 09:21:42 reinelt Exp $
+/* $Id: parser.h,v 1.3 2000/03/18 10:31:06 reinelt Exp $
  *
  * row definition parser
  *
@@ -20,6 +20,13 @@
  *
  *
  * $Log: parser.h,v $
+ * Revision 1.3  2000/03/18 10:31:06  reinelt
+ *
+ * added sensor handling (for temperature etc.)
+ * made data collecting happen only if data is used
+ * (reading /proc/meminfo takes a lot of CPU!)
+ * released lcd4linux-0.92
+ *
  * Revision 1.2  2000/03/17 09:21:42  reinelt
  *
  * various memory statistics added
@@ -45,9 +52,13 @@ typedef enum {
   T_NET_RX, T_NET_TX, T_NET_TOTAL, T_NET_MAX,
   T_ISDN_IN, T_ISDN_OUT, T_ISDN_TOTAL, T_ISDN_MAX,
   T_SENSOR_1, T_SENSOR_2, T_SENSOR_3, T_SENSOR_4, T_SENSOR_5, 
-  T_SENSOR_6, T_SENSOR_7, T_SENSOR_8, T_SENSOR_9,
+  T_SENSOR_6, T_SENSOR_7, T_SENSOR_8, T_SENSOR_9
 } TOKEN;
 
-char *parse (char *string, int supported_bars);
+typedef enum {
+  C_GENERIC, C_MEM, C_LOAD, C_CPU, C_DISK, C_NET, C_ISDN, C_SENSOR
+} CLASS;
+
+char *parse (char *string, int supported_bars, int usage[]);
 
 #endif