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path: root/tools/dfagen/examples/ex2_cb.c.patch
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--- ex2_cb_skel.c	2008-01-06 18:02:50.000000000 +0100
+++ ex2_cb.c	2008-01-06 18:02:50.000000000 +0100
@@ -6,6 +6,9 @@
  * A barman robot.
  */
 #include "ex2_cb.h"
+#include "ex2_robot.h"
+
+#include <stdio.h>
 
 /*
  * FILLING_GLASS =command=>
@@ -37,6 +40,7 @@
 ex2_branch_t
 ex2__FILLING_GLASS__glass_filled (robot_t *user)
 {
+    puts ("stop filling");
     return ex2_next (FILLING_GLASS, glass_filled);
 }
 
@@ -48,6 +52,8 @@
 ex2_branch_t
 ex2__IDLE__replace_bottle (robot_t *user)
 {
+    puts ("reset glass counter");
+    user->bottle = 3;
     return ex2_next (IDLE, replace_bottle);
 }
 
@@ -63,9 +69,25 @@
 ex2_branch_t
 ex2__IDLE__command (robot_t *user)
 {
-    return ex2_next_branch (IDLE, command, empty_bottle);
-    return ex2_next_branch (IDLE, command, without_ice);
-    return ex2_next_branch (IDLE, command, with_ice);
+    if (user->bottle)
+      {
+	user->bottle--;
+	if (user->ice)
+	  {
+	    puts ("open the ice door");
+	    return ex2_next_branch (IDLE, command, with_ice);
+	  }
+	else
+	  {
+	    puts ("start filling");
+	    return ex2_next_branch (IDLE, command, without_ice);
+	  }
+      }
+    else
+      {
+	puts ("empty bottle, please replace it");
+	return ex2_next_branch (IDLE, command, empty_bottle);
+      }
 }
 
 /*
@@ -99,6 +121,8 @@
 ex2_branch_t
 ex2__DROPPING_ICE__ice_dropped (robot_t *user)
 {
+    puts ("close the ice door");
+    puts ("start filling");
     return ex2_next (DROPPING_ICE, ice_dropped);
 }