[lcd4linux @ 2000-03-18 08:07:04 by reinelt]

vertical bars implemented
bar compaction improved
memory information implemented

5 files changed, 157 insertions, 63 deletions

diff --git a/MatrixOrbital.c b/MatrixOrbital.c
index 8e7a0c5..0762b87 100644
--- a/MatrixOrbital.c
+++ b/MatrixOrbital.c
@@ -1,4 +1,4 @@
-/* $Id: MatrixOrbital.c,v 1.6 2000/03/17 09:21:42 reinelt Exp $
+/* $Id: MatrixOrbital.c,v 1.7 2000/03/18 08:07:04 reinelt Exp $
  *
  *  driver for Matrix Orbital serial display modules
  *
@@ -20,6 +20,12 @@
  *
  *
  * $Log: MatrixOrbital.c,v $
+ * Revision 1.7  2000/03/18 08:07:04  reinelt
+ *
+ * vertical bars implemented
+ * bar compaction improved
+ * memory information implemented
+ *
  * Revision 1.6  2000/03/17 09:21:42  reinelt
  *
  * various memory statistics added
@@ -59,8 +65,7 @@
 #define XRES 5
 #define YRES 8
 #define CHARS 8
-#define BARS ( BAR_L | BAR_R | BAR_H2 )
-// Fixme: BAR_U, BAR_D
+#define BARS ( BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2 )
 
 static DISPLAY Display;
 static char *Port=NULL;
@@ -86,8 +91,8 @@ static char Txt[4][40];
 static BAR  Bar[4][40];
 
 static int nSegment=2;
-static SEGMENT Segment[256] = {{ len1:   0, len2:   0, type:255, used:0, ascii:32 },
-			       { len1:XRES, len2:XRES, type:255, used:0, ascii:255 }};
+static SEGMENT Segment[256] = {{ len1:0,   len2:0,   type:255, used:0, ascii:32 },
+			       { len1:255, len2:255, type:255, used:0, ascii:255 }};
 
 
 static int MO_open (void)
@@ -170,35 +175,49 @@ static void MO_process_bars (void)
   }
 }
 
-#define sqr(x) ((x)*(x))
+static int MO_segment_diff (int i, int j)
+{
+  int RES;
+  int i1, i2, j1, j2;
+  
+  if (i==j) return 65535;
+  if (!(Segment[i].type & Segment[j].type)) return 65535;
+  if (Segment[i].len1==0 && Segment[j].len1!=0) return 65535;
+  if (Segment[i].len2==0 && Segment[j].len2!=0) return 65535;
+  RES=Segment[i].type & BAR_H ? XRES:YRES;
+  if (Segment[i].len1>=RES && Segment[j].len1<RES) return 65535;
+  if (Segment[i].len2>=RES && Segment[j].len2<RES) return 65535;
+  if (Segment[i].len1==Segment[i].len2 && Segment[j].len1!=Segment[j].len2) return 65535;
+
+  i1=Segment[i].len1; if (i1>RES) i1=RES;
+  i2=Segment[i].len2; if (i2>RES) i2=RES;
+  j1=Segment[j].len1; if (j1>RES) i1=RES;
+  j2=Segment[j].len2; if (j2>RES) i2=RES;
+  
+  return (i1-i2)*(i1-i2)+(j1-j2)*(j1-j2);
+}
 
 static void MO_compact_bars (void)
 {
   int i, j, r, c, min;
   int pack_i, pack_j;
+  int pass1=1;
   int error[nSegment][nSegment];
   
   if (nSegment>CHARS+2) {
+
     for (i=2; i<nSegment; i++) {
       for (j=0; j<nSegment; j++) {
-	error[i][j]=65535;
-	if (i==j) continue;
-	if (Segment[i].used) continue;
-	if (!(Segment[i].type & Segment[j].type)) continue;
-	if (Segment[i].len1==0 && Segment[j].len1!=0) continue;
-	if (Segment[i].len2==0 && Segment[j].len2!=0) continue;
-	if (Segment[i].len1==XRES && Segment[j].len1!=XRES) continue;
-	if (Segment[i].len2==XRES && Segment[j].len2!=XRES) continue;
-	if (Segment[i].len1==Segment[i].len2 && Segment[j].len1!=Segment[j].len2) continue;
-	error[i][j]=sqr(Segment[i].len1-Segment[j].len1)+sqr(Segment[i].len2-Segment[j].len2);
+	error[i][j]=MO_segment_diff(i,j);
       }
     }
-
+    
     while (nSegment>CHARS+2) {
       min=65535;
       pack_i=-1;
       pack_j=-1;
       for (i=2; i<nSegment; i++) {
+	if (pass1 && Segment[i].used) continue;
 	for (j=0; j<nSegment; j++) {
 	  if (error[i][j]<min) {
 	    min=error[i][j];
@@ -208,11 +227,16 @@ static void MO_compact_bars (void)
 	}
       }
       if (pack_i==-1) {
-	fprintf (stderr, "MatrixOrbital: unable to compact bar characters\n");
-	nSegment=CHARS;
-	break;
+	if (pass1) {
+	  pass1=0;
+	  continue;
+	} else {
+	  fprintf (stderr, "MatrixOrbital: unable to compact bar characters\n");
+	  nSegment=CHARS;
+	  break;
+	}
       } 
-
+      
       nSegment--;
       Segment[pack_i]=Segment[nSegment];
       
@@ -220,7 +244,7 @@ static void MO_compact_bars (void)
 	error[pack_i][i]=error[nSegment][i];
 	error[i][pack_i]=error[i][nSegment];
       }
-
+      
       for (r=0; r<Display.rows; r++) {
 	for (c=0; c<Display.cols; c++) {
 	  if (Bar[r][c].segment==pack_i)
@@ -264,6 +288,22 @@ static void MO_define_chars (void)
 	buffer[j+7]=Pixel[Segment[i].len2];
       }
       break;
+    case BAR_U:
+      for (j=0; j<Segment[i].len1; j++) {
+	buffer[10-j]=31;
+      }
+      for (; j<YRES; j++) {
+	buffer[10-j]=0;
+      }
+      break;
+    case BAR_D:
+      for (j=0; j<Segment[i].len1; j++) {
+	buffer[j+3]=31;
+      }
+      for (; j<YRES; j++) {
+	buffer[j+3]=0;
+      }
+      break;
     }
     MO_write (buffer, 11);
   }
@@ -393,9 +433,31 @@ int MO_bar (int type, int row, int col, int max, int len1, int len2)
     break;
 
   case BAR_U:
-    break;
-
+    len1=max-len1;
+    len2=max-len2;
+    rev=1;
+    
   case BAR_D:
+    while (max>0 && row<=Display.rows) {
+      Bar[row][col].type=type;
+      Bar[row][col].segment=-1;
+      if (len1>=YRES) {
+	Bar[row][col].len1=rev?0:YRES;
+	len1-=YRES;
+      } else {
+	Bar[row][col].len1=rev?YRES-len1:len1;
+	len1=0;
+      }
+      if (len2>=YRES) {
+	Bar[row][col].len2=rev?0:YRES;
+	len2-=YRES;
+      } else {
+	Bar[row][col].len2=rev?YRES-len2:len2;
+	len2=0;
+      }
+      max-=YRES;
+      row++;
+    }
     break;
 
   }
diff --git a/display.c b/display.c
index f7c5870..96580c6 100644
--- a/display.c
+++ b/display.c
@@ -1,4 +1,4 @@
-/* $Id: display.c,v 1.6 2000/03/17 09:21:42 reinelt Exp $
+/* $Id: display.c,v 1.7 2000/03/18 08:07:04 reinelt Exp $
  *
  * framework for device drivers
  *
@@ -20,6 +20,12 @@
  *
  *
  * $Log: display.c,v $
+ * Revision 1.7  2000/03/18 08:07:04  reinelt
+ *
+ * vertical bars implemented
+ * bar compaction improved
+ * memory information implemented
+ *
  * Revision 1.6  2000/03/17 09:21:42  reinelt
  *
  * various memory statistics added
@@ -141,4 +147,3 @@ int lcd_flush (void)
 {
   return Display->flush();
 }
-
diff --git a/lcd4linux.c b/lcd4linux.c
index 9a264dc..9797d9e 100644
--- a/lcd4linux.c
+++ b/lcd4linux.c
@@ -1,4 +1,4 @@
-/* $Id: lcd4linux.c,v 1.4 2000/03/17 09:21:42 reinelt Exp $
+/* $Id: lcd4linux.c,v 1.5 2000/03/18 08:07:04 reinelt Exp $
  *
  * LCD4Linux
  *
@@ -20,6 +20,12 @@
  *
  *
  * $Log: lcd4linux.c,v $
+ * Revision 1.5  2000/03/18 08:07:04  reinelt
+ *
+ * vertical bars implemented
+ * bar compaction improved
+ * memory information implemented
+ *
  * Revision 1.4  2000/03/17 09:21:42  reinelt
  *
  * various memory statistics added
@@ -34,7 +40,6 @@
  *
  * first unstable but running release
  *
- *
  */
 
 #include <stdlib.h>
@@ -250,14 +255,9 @@ void print_token (int token, char **p)
   case T_MEM_APP:
     *p+=sprintf (*p, "%6.0f", query(token));
     break;
-  case T_CPU_USER:
-  case T_CPU_NICE:
-  case T_CPU_SYSTEM:
-  case T_CPU_BUSY:
-  case T_CPU_IDLE:
-    *p+=sprintf (*p, "%3.0f", 100.0*query(token));
-    break;
-  default:
+  case T_LOAD_1:
+  case T_LOAD_2:
+  case T_LOAD_3:
     val=query(token);
     if (val<10.0) {
       *p+=sprintf (*p, "%4.2f", val);
@@ -266,6 +266,25 @@ void print_token (int token, char **p)
     } else {
       *p+=sprintf (*p, "%4.0f", val);
     }
+    break;
+  case T_CPU_USER:
+  case T_CPU_NICE:
+  case T_CPU_SYSTEM:
+  case T_CPU_BUSY:
+  case T_CPU_IDLE:
+    *p+=sprintf (*p, "%3.0f", 100.0*query(token));
+    break;
+  case T_ISDN_IN:
+  case T_ISDN_OUT:
+  case T_ISDN_MAX:
+  case T_ISDN_TOTAL:
+    if (isdn.usage)
+      *p+=sprintf (*p, "%4.0f", query(token));
+    else
+      *p+=sprintf (*p, "----");
+    break;
+  default:
+      *p+=sprintf (*p, "%4.0f", query(token));
   }
 }
 
@@ -283,13 +302,14 @@ char *process_row (int r, char *s)
       int type=*++s;
       int len=*++s;
       double val1=query_bar(*(unsigned char*)++s);
-      double val2;
+      double val2=val1;
       if (type & (BAR_H2 | BAR_V2))
 	val2=query_bar(*(unsigned char*)++s);
+      if (type & BAR_H)
+	lcd_bar (type, r, p-buffer+1, len*xres, val1*len*xres, val2*len*xres);
       else
-	val2=val1;
-      lcd_bar (type, r, p-buffer+1, len*xres, val1*len*xres, val2*len*xres);
-	
+	lcd_bar (type, r, p-buffer+1, len*yres, val1*len*yres, val2*len*yres);
+      
       if (type & BAR_H) {
 	for (i=0; i<len && p-buffer<cols; i++)
 	  *p++='\t';
@@ -313,7 +333,7 @@ void main (int argc, char *argv[])
   char *display;
   char *row[ROWS];
   int i, smooth;
-  
+
   if (argc>2) {
     usage();
     exit (2);
@@ -360,7 +380,6 @@ void main (int argc, char *argv[])
   }
   
   lcd_clear();
-  
   lcd_put (1, 1, "** LCD4Linux V" VERSION " **");
   lcd_put (2, 1, " (c) 2000 M.Reinelt");
   lcd_flush();
@@ -379,6 +398,6 @@ void main (int argc, char *argv[])
     lcd_flush();
     smooth+=tick;
     if (smooth>tack) smooth=0;
-    usleep(1000*tick);
+    usleep(tick*1000);
   }
 }
diff --git a/lcd4linux.conf.sample b/lcd4linux.conf.sample
index 799dc35..69e6a53 100644
--- a/lcd4linux.conf.sample
+++ b/lcd4linux.conf.sample
@@ -8,21 +8,15 @@ Contrast 160
 #Row3 "Busy %cu%% $r10cs+cb"
 #Row4 "Load %l1%L$r10l1"
 
-Row1 "CPU  %cu%% $r10cs+cb"
-Row2 "%mf %ms %ma"
-#Row2 "Disk %dm $R10dr+dw"
+Row1 "Load %l1%L$r10cs+cb"
+Row2 "Disk %dm $R10dr+dw"
 Row3 "Net  %nm $R10nr+nw"
 Row4 "ISDN %im $r10ii+io"
 
-#Row1 "CPU $l6cs+cb$R6dr+dw I/O"
-#Row2 "I/O $R16dr+dw"
-#Row3 "LAN $R16nr+nw"
-#Row4 "WAN $r16ii+io"
-
-#Row1 ""
-#Row2 ""
-#Row3 "$u3cs $u3cb "
-#Row4 "CPU I/O LAN WAN"
+#Row1 "$u3l1$u3cb$u3cs $u3mu$u3ma$u3ms $u3dr$u3dw $u3nr$u3nw $u3ii$u3io"
+#Row2 " "
+#Row3 " "
+#Row4 "CPU MEM IO IP"
 
 Tick 100
 Tack 400
diff --git a/system.c b/system.c
index e29c2cb..a666e60 100644
--- a/system.c
+++ b/system.c
@@ -1,4 +1,4 @@
-/* $Id: system.c,v 1.6 2000/03/17 09:21:42 reinelt Exp $
+/* $Id: system.c,v 1.7 2000/03/18 08:07:04 reinelt Exp $
  *
  * system status retreivement
  *
@@ -20,6 +20,12 @@
  *
  *
  * $Log: system.c,v $
+ * Revision 1.7  2000/03/18 08:07:04  reinelt
+ *
+ * vertical bars implemented
+ * bar compaction improved
+ * memory information implemented
+ *
  * Revision 1.6  2000/03/17 09:21:42  reinelt
  *
  * various memory statistics added
@@ -107,7 +113,7 @@
 #include <linux/sys.h>
 #endif
 
-static unsigned long parse_meminfo (char *tag, char *buffer)
+static int parse_meminfo (char *tag, char *buffer)
 {
   char *p;
   unsigned long val;
@@ -190,18 +196,26 @@ int Memory(void)
 
 int Ram (int *total, int *free, int *shared, int *buffered, int *cached)
 {
+  static time_t now=0;
   static int fd=-2;
-  unsigned long v1, v2, v3, v4, v5;
+  static int v1=0;
+  static int v2=0;
+  static int v3=0;
+  static int v4=0;
+  static int v5=0;
   char buffer[4096];
   
-  *total=0;
-  *free=0;
-  *shared=0;
-  *buffered=0;
-  *cached=0;
+  *total=v1;
+  *free=v2;
+  *shared=v3;
+  *buffered=v4;
+  *cached=v5;
 
   if (fd==-1) return -1;
   
+  if (time(NULL)==now) return 0;
+  time(&now);
+  
   if (fd==-2) {
     fd = open("/proc/meminfo", O_RDONLY | O_NDELAY);
     if (fd==-1) {