From 60e6313d8a6b2da00784d5b76a6053df05198840 Mon Sep 17 00:00:00 2001
From: Felix Ruess <felix.ruess@gmail.com>
Date: Tue, 4 Sep 2012 10:04:36 +0200
Subject: [PATCH] [fix][lpc21] uart_tunnel: only toggle leds if they are
 available on that board

---
 conf/airframes/ENAC/fixed-wing/weasel.xml | 1 +
 sw/airborne/arch/lpc21/uart_tunnel.c      | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/conf/airframes/ENAC/fixed-wing/weasel.xml b/conf/airframes/ENAC/fixed-wing/weasel.xml
index 90e6f655272..d886ac8dd5b 100644
--- a/conf/airframes/ENAC/fixed-wing/weasel.xml
+++ b/conf/airframes/ENAC/fixed-wing/weasel.xml
@@ -49,6 +49,7 @@
 
   <firmware name="setup">
     <target name="setup_actuators" board="umarim_1.0"/>
+    <target name="tunnel" board="umarim_1.0"/>
   </firmware>
 
 <!-- commands section -->
diff --git a/sw/airborne/arch/lpc21/uart_tunnel.c b/sw/airborne/arch/lpc21/uart_tunnel.c
index 9f4bbd5ef2e..d8e22f8a604 100644
--- a/sw/airborne/arch/lpc21/uart_tunnel.c
+++ b/sw/airborne/arch/lpc21/uart_tunnel.c
@@ -16,7 +16,9 @@ int main (int argc, char** argv) {
   int tx_shadow=1, rx_shadow=1;
   mcu_init();
   led_init();
+#if USE_LED_1
   LED_ON(1);
+#endif
 
   /* TXD0 and TXD1 output */
   SetBit(IO0DIR, TXD0_PIN);
@@ -36,7 +38,9 @@ int main (int argc, char** argv) {
         SetBit(IO0CLR, TXD1_PIN);
       }
       tx_shadow = tx;
+#if USE_LED_2
       LED_TOGGLE(2);
+#endif
     }
     rx = bit_is_set(IO0PIN, RXD1_PIN);
     if (rx != rx_shadow) {
@@ -46,7 +50,9 @@ int main (int argc, char** argv) {
         SetBit(IO0CLR, TXD0_PIN);
       }
       rx_shadow = rx;
+#if USE_LED_3
       LED_TOGGLE(3);
+#endif
     }
   }
   return 0;