From c22fe7b117110cd80469df672f7ab21c07702235 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Fri, 8 May 2009 13:24:57 +0000
Subject: [PATCH] Add logic to control LED

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1763 42af7a65-404d-4744-a932-0658087f49c3
---
 configs/eagle100/README.txt       |  2 ++
 configs/eagle100/include/board.h  |  2 +-
 configs/eagle100/ostest/defconfig |  2 ++
 configs/eagle100/src/up_leds.c    | 42 ++++++++++++++++++++++++++++---
 4 files changed, 43 insertions(+), 5 deletions(-)

diff --git a/configs/eagle100/README.txt b/configs/eagle100/README.txt
index 27a725cf97..eefd0e18a3 100644
--- a/configs/eagle100/README.txt
+++ b/configs/eagle100/README.txt
@@ -94,6 +94,8 @@ Eagle100-specific Configuration Options
 	CONFIG_ARCH_BOOTLOADER - Configure to use the MicroMint Eagle-100
 	   Ethernet bootloader.
 
+	CONFIG_ARCH_LEDS -  Use LEDs to show state. Unique to board architecture.
+
   LM3S6818 specific device driver settings
 
 	CONFIG_UARTn_SERIAL_CONSOLE - selects the UARTn for the
diff --git a/configs/eagle100/include/board.h b/configs/eagle100/include/board.h
index 855c011760..e08d7af83a 100644
--- a/configs/eagle100/include/board.h
+++ b/configs/eagle100/include/board.h
@@ -55,7 +55,7 @@
 
 /* LED definitions ******************************************************************/
 
-/* The Eagle-100 has only one user LED: Port A, Bit 6.  Below are the mapping of this
+/* The Eagle-100 has only one user LED: Port E, Bit 1.  Below is the mapping of this
  * single LED.  From this single LED, we can get the following information:
  *
  *   OFF Steady:    The system has failed to boot to the point of enabling interrupts
diff --git a/configs/eagle100/ostest/defconfig b/configs/eagle100/ostest/defconfig
index 658d90989d..d88d1e9244 100644
--- a/configs/eagle100/ostest/defconfig
+++ b/configs/eagle100/ostest/defconfig
@@ -56,6 +56,7 @@
 # CONFIG_ARCH_STACKDUMP - Do stack dumps after assertions
 # CONFIG_ARCH_BOOTLOADER - Configure to use the MicroMint Eagle-100
 #   Ethernet bootloader.
+# CONFIG_ARCH_LEDS -  Use LEDs to show state. Unique to board architecture.
 CONFIG_ARCH=arm
 CONFIG_ARCH_ARM=y
 CONFIG_ARCH_CHIP=lm3s
@@ -69,6 +70,7 @@ CONFIG_DRAM_NUTTXENTRY=0x00002000
 CONFIG_ARCH_INTERRUPTSTACK=n
 CONFIG_ARCH_STACKDUMP=y
 CONFIG_ARCH_BOOTLOADER=y
+CONFIG_ARCH_LEDS=y
 
 #
 # LM3S6918 specific serial device driver settings
diff --git a/configs/eagle100/src/up_leds.c b/configs/eagle100/src/up_leds.c
index 4fff52f625..2b8dcfb6b2 100644
--- a/configs/eagle100/src/up_leds.c
+++ b/configs/eagle100/src/up_leds.c
@@ -40,6 +40,11 @@
 
 #include <nuttx/config.h>
 #include <sys/types.h>
+
+#include <arch/board/board.h>
+
+#include "chip.h"
+#include "up_arch.h"
 #include "up_internal.h"
 
 /****************************************************************************
@@ -65,9 +70,9 @@
 #ifdef CONFIG_ARCH_LEDS
 void up_ledinit(void)
 {
-  /* Configure Port A, Bit 6 as an output, initial value=OFF */
+  /* Configure Port E, Bit 1 as an output, initial value=OFF */
 
-#warning "Missing Logic"
+  lm3s_configgpio(GPIO_DIR_OUTPUT | GPIO_VALUE_ZERO | GPIO_PORTE | 1);
 }
 
 /****************************************************************************
@@ -76,7 +81,21 @@ void up_ledinit(void)
 
 void up_ledon(int led)
 {
-#warning "Missing Logic"
+  switch (led)
+    {
+      case LED_STARTED:
+      case LED_HEAPALLOCATE:
+      default:
+        break;
+      case LED_IRQSENABLED:
+      case LED_STACKCREATED:
+      case LED_INIRQ:
+      case LED_SIGNAL:
+      case LED_ASSERTION:
+      case LED_PANIC:
+        modifyreg32(LM3S_GPIOE_DATA, 0, (1 << 1));
+        break;
+    }
 }
 
 /****************************************************************************
@@ -85,7 +104,22 @@ void up_ledon(int led)
 
 void up_ledoff(int led)
 {
-#warning "Missing Logic"
+  switch (led)
+    {
+      case LED_IRQSENABLED:
+      case LED_STACKCREATED:
+      default:
+        break;
+
+      case LED_STARTED:
+      case LED_HEAPALLOCATE:
+      case LED_INIRQ:
+      case LED_SIGNAL:
+      case LED_ASSERTION:
+      case LED_PANIC:
+        modifyreg32(LM3S_GPIOE_DATA, (1 << 1), 0);
+        break;
+    }
 }
 
 #endif /* CONFIG_ARCH_LEDS */