--- embedtools/src/pceng_run.c	2011/07/29 12:12:40	1.1.2.5
+++ embedtools/src/pceng_run.c	2011/10/24 20:24:16	1.1.2.7
@@ -3,7 +3,7 @@
  *  by Michael Pounov <misho@aitbg.com>
  *
  * $Author: misho $
- * $Id: pceng_run.c,v 1.1.2.5 2011/07/29 12:12:40 misho Exp $
+ * $Id: pceng_run.c,v 1.1.2.7 2011/10/24 20:24:16 misho Exp $
  *
  *************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -116,6 +116,7 @@ LED(u_char ledno, u_char state)
 	switch (type) {
 		case wrap:
 			n = inl(led_base[type - 1][ledno]);
+			/* read */
 			if (state == (u_char) -1)
 				return (n &= (1 << led_bit[type - 1][ledno]));
 
@@ -125,6 +126,7 @@ LED(u_char ledno, u_char state)
 				n &= ~(1 << led_bit[type - 1][ledno]);
 			break;
 		case alix:
+			/* read */
 			if (state == (u_char) -1) {
 				n = inl(led_base[type - 1][ledno]);
 				return !(n &= (1 << led_bit[type - 1][ledno]));
@@ -135,12 +137,12 @@ LED(u_char ledno, u_char state)
 			else
 				n = (1 << led_bit[type - 1][ledno]);
 			break;
-		default:
+		default:	/* unknown */
 			return -1;
 	}
 
 	outl(led_base[type - 1][ledno], n);
-	return 0;
+	return (int) state;
 }
 
 static int
@@ -167,7 +169,7 @@ RunCmd(u_char pin, u_int state)
 	else
 		snprintf(szArg, sizeof szArg, "%d", state);
 
-	switch (vfork()) {
+	switch (fork()) {
 		case -1:
 			syslog(LOG_ERR, "Error:: RunCmd #%d - %s\n", errno, strerror(errno));
 			return -1;
@@ -192,7 +194,7 @@ Run()
 		if ((ret = gpioRead(i)) == -1)
 			return 126;
 		else
-			states |= (1 << i);
+			states |= ret ? (1 << i) : 0;
 
 	/* state machine */
 	while (!Kill) {
@@ -208,7 +210,7 @@ Run()
 				return 127;
 
 			if (ret != ((states >> i) & 0x1)) {
-				if (!i) {
+				if (!i) {	/* button */
 					t = 0;
 					do {
 						t++;
@@ -216,7 +218,7 @@ Run()
 						if (gpioRead(i) != ret)
 							break;
 					} while (!Kill);
-				} else {
+				} else {	/* leds */
 					t = ret;
 					if (ret)
 						states |= (1 << i);
@@ -226,6 +228,8 @@ Run()
 
 				RunCmd(i, t);
 			}
+
+			usleep(slice);
 		}
 	}