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authorreinelt <>2000-04-15 16:56:52 +0000
committerreinelt <>2000-04-15 16:56:52 +0000
commit9662e513c220b9826702978ba42fc46b0a326c38 (patch)
treeb55db40bf091c526224b67268a58d47e037f1284 /lcd4linux.c
parent483c46de0980028fd3e61b6558402784fa1d0560 (diff)
downloadlcd4linux-9662e513c220b9826702978ba42fc46b0a326c38.tar.gz
[lcd4linux @ 2000-04-15 16:56:52 by reinelt]
moved delay loops to udelay.c renamed -d (debugging) switch to -v (verbose) new switch -d to calibrate delay loop 'Delay' entry for HD44780 back again delay loops will not calibrate automatically, because this will fail with hich CPU load
Diffstat (limited to 'lcd4linux.c')
-rw-r--r--lcd4linux.c29
1 files changed, 22 insertions, 7 deletions
diff --git a/lcd4linux.c b/lcd4linux.c
index 602b70e..75b195a 100644
--- a/lcd4linux.c
+++ b/lcd4linux.c
@@ -1,4 +1,4 @@
-/* $Id: lcd4linux.c,v 1.21 2000/04/15 11:56:35 reinelt Exp $
+/* $Id: lcd4linux.c,v 1.22 2000/04/15 16:56:52 reinelt Exp $
*
* LCD4Linux
*
@@ -20,6 +20,14 @@
*
*
* $Log: lcd4linux.c,v $
+ * Revision 1.22 2000/04/15 16:56:52 reinelt
+ *
+ * moved delay loops to udelay.c
+ * renamed -d (debugging) switch to -v (verbose)
+ * new switch -d to calibrate delay loop
+ * 'Delay' entry for HD44780 back again
+ * delay loops will not calibrate automatically, because this will fail with hich CPU load
+ *
* Revision 1.21 2000/04/15 11:56:35 reinelt
*
* more debug messages
@@ -125,12 +133,13 @@
#include <stdio.h>
#include <unistd.h>
-#include "debug.h"
#include "cfg.h"
+#include "debug.h"
+#include "udelay.h"
#include "display.h"
#include "processor.h"
-char *release="LCD4Linux V" VERSION " (c) 2000 Michael Reinelt <reinelt@eunet.at>";
+char *release="LCD4Linux " VERSION " (c) 2000 Michael Reinelt <reinelt@eunet.at>";
char *output=NULL;
int debugging=0;
int tick, tack;
@@ -140,7 +149,8 @@ static void usage(void)
printf ("%s\n", release);
printf ("usage: lcd4linux [-h]\n");
printf (" lcd4linux [-l]\n");
- printf (" lcd4linux [-c key=value] [-d] [-f config-file] [-o output-file] [-q]\n");
+ printf (" lcd4linux [-d]\n");
+ printf (" lcd4linux [-c key=value] [-f config-file] [-o output-file] [-q] [-v]\n");
}
int lcd_hello (void)
@@ -186,7 +196,7 @@ int main (int argc, char *argv[])
int c, smooth;
int quiet=0;
- while ((c=getopt (argc, argv, "c:df:hlo:q"))!=EOF) {
+ while ((c=getopt (argc, argv, "c:df:hlo:qv"))!=EOF) {
switch (c) {
case 'c':
if (cfg_cmd (optarg)<0) {
@@ -195,8 +205,10 @@ int main (int argc, char *argv[])
}
break;
case 'd':
- debugging++;
- break;
+ printf ("%s\n", release);
+ udelay_calibrate();
+ printf ("calibrating delay loop: Delay=%ld\n", loops_per_usec);
+ exit(0);
case 'h':
usage();
exit(0);
@@ -213,6 +225,9 @@ int main (int argc, char *argv[])
case 'q':
quiet++;
break;
+ case 'v':
+ debugging++;
+ break;
default:
exit(2);
}