[Armadeus-commitlog] SF.net SVN: armadeus:[1131] trunk/target/linux/modules/fpga/ wishbone_example

[<Fa...@us...>]

Revision: 1131
          http://armadeus.svn.sourceforge.net/armadeus/?rev=1131&view=rev
Author:   FabM
Date:     2009-03-09 10:32:47 +0000 (Mon, 09 Mar 2009)

Log Message:
-----------
[LINUX] Updating test programs for led and button in wishbone_example

Modified Paths:
--------------
    trunk/target/linux/modules/fpga/wishbone_example/wb_button/testbutton.c
    trunk/target/linux/modules/fpga/wishbone_example/wb_led/testled.c

Added Paths:
-----------
    trunk/target/linux/modules/fpga/wishbone_example/push-led.c

Added: trunk/target/linux/modules/fpga/wishbone_example/push-led.c
===================================================================
--- trunk/target/linux/modules/fpga/wishbone_example/push-led.c	                        (rev 0)
+++ trunk/target/linux/modules/fpga/wishbone_example/push-led.c	2009-03-09 10:32:47 UTC (rev 1131)
@@ -0,0 +1,103 @@
+/* Enable or disable led when button is pressed
+ * Fabien Marteau <fab...@ar...>
+ * 9 mars 2009
+ * fpgaaccess.h
+ *
+ * (c) Copyright 2008    Armadeus project
+ * Fabien Marteau <fab...@ar...>
+ *
+ * A simple driver for reading and writing on
+ * fpga throught a character file /dev/fpgaaccess
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ **********************************************************************
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+/* file management */
+#include <sys/stat.h>
+#include <fcntl.h>
+
+/* as name said */
+#include <signal.h>
+
+/* sleep */
+#include <unistd.h>
+
+int fbutton;
+int fled;
+
+void quit(int pouet){
+  close(fbutton);
+  close(fled);
+  exit(0);
+}
+
+int main(int argc, char *argv[])
+{
+  unsigned short i,j;
+
+  /* quit when Ctrl-C pressed */
+  signal(SIGINT, quit);
+
+  j=0;
+
+  printf( "Blink a led pushing button\n" );
+
+  if(argc < 3){
+    perror("invalid arguments number\npush-led <button_filename> <led_filename>\n");
+    exit(EXIT_FAILURE);
+  }
+
+  fbutton=open(argv[1],O_RDWR);
+  if(fbutton<0){
+    perror("can't open button file\n");
+    exit(EXIT_FAILURE);
+  }
+
+  while(1){
+
+    /* read button value */
+    if(read(fbutton,&j,1)<0){
+      perror("read error\n");
+      exit(EXIT_FAILURE);
+    }
+
+    if(lseek(fbutton,0,SEEK_SET)<0){
+      perror("lseek error\n");
+      exit(EXIT_FAILURE);
+    }
+
+	/* write led value */
+	fled=open(argv[2],O_RDWR);
+	if(fbutton<0){
+	  perror("can't open led file\n");
+	  exit(EXIT_FAILURE);
+	}
+
+	if(write(fled,&j,2)<=0){
+		perror("LED write error\n");
+		exit(EXIT_FAILURE);
+	}
+	close(fled);
+  }
+
+  close(fbutton);
+  close(fled);
+  exit(0);
+}
+

Modified: trunk/target/linux/modules/fpga/wishbone_example/wb_button/testbutton.c
===================================================================
--- trunk/target/linux/modules/fpga/wishbone_example/wb_button/testbutton.c	2009-03-09 09:52:44 UTC (rev 1130)
+++ trunk/target/linux/modules/fpga/wishbone_example/wb_button/testbutton.c	2009-03-09 10:32:47 UTC (rev 1131)
@@ -1,4 +1,4 @@
-/* a program to write/read values on fpga address map
+/* a program to test button driver
  * Fabien Marteau <fab...@ar...>
  * 7 april 2008
  * fpgaaccess.h
@@ -38,10 +38,10 @@
 /* sleep */
 #include <unistd.h>
 
-int fled;
+int fbutton;
 
 void quit(int pouet){
-  close(fled);
+  close(fbutton);
   exit(0);
 }
 
@@ -57,12 +57,12 @@
   printf( "Testing button driver\n" );
 
   if(argc < 2){
-    perror("invalide arguments number\ntestled <button_filename>\n");
+    perror("invalide arguments number\ntestbutton <button_filename>\n");
     exit(EXIT_FAILURE);
   }
 
-  fled=open(argv[1],O_RDWR);
-  if(fled<0){
+  fbutton=open(argv[1],O_RDWR);
+  if(fbutton<0){
     perror("can't open file\n");
     exit(EXIT_FAILURE);
   }
@@ -72,19 +72,19 @@
     fflush(stdout);
 
     /* read value */
-    if(read(fled,&j,1)<0){
+    if(read(fbutton,&j,1)<0){
       perror("read error\n");
       exit(EXIT_FAILURE);
     }
     printf("Read %d\n",j);
 
-    if(lseek(fled,0,SEEK_SET)<0){
+    if(lseek(fbutton,0,SEEK_SET)<0){
       perror("lseek error\n");
       exit(EXIT_FAILURE);
     }
   }
 
-  close(fled);
+  close(fbutton);
   exit(0);
 }
 

Modified: trunk/target/linux/modules/fpga/wishbone_example/wb_led/testled.c
===================================================================
--- trunk/target/linux/modules/fpga/wishbone_example/wb_led/testled.c	2009-03-09 09:52:44 UTC (rev 1130)
+++ trunk/target/linux/modules/fpga/wishbone_example/wb_led/testled.c	2009-03-09 10:32:47 UTC (rev 1131)
@@ -1,4 +1,4 @@
-/* a program to write/read values on fpga address map
+/* a program to test led driver
  * Fabien Marteau <fab...@ar...>
  * 7 april 2008
  * fpgaaccess.h


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