From 458d6b127b21800a20edebe809153046ad9908aa Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Wed, 30 Sep 2009 15:03:25 +0000
Subject: [PATCH] Add LED support

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2108 42af7a65-404d-4744-a932-0658087f49c3
---
 arch/arm/src/stm32/stm32_gpio.c     |  4 ++--
 arch/arm/src/stm32/stm32_internal.h | 21 +++++++++++++++++++--
 2 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/arch/arm/src/stm32/stm32_gpio.c b/arch/arm/src/stm32/stm32_gpio.c
index 053d4b44bcd..33c4296aa64 100755
--- a/arch/arm/src/stm32/stm32_gpio.c
+++ b/arch/arm/src/stm32/stm32_gpio.c
@@ -140,7 +140,7 @@ int stm32_configgpio(uint32 cfgset)
 
       /* Input or output? */
 
-      output = ((cfgset & GPIO_OUTPUT_PIN) != 0);
+      output = ((cfgset & GPIO_OUTPUT) != 0);
 
       /* Decode the mode and configuration */
 
@@ -170,7 +170,7 @@ int stm32_configgpio(uint32 cfgset)
 	         * pin output value
 	         */
 
-	        if ((cfgset & GPIO_OUTPUT_VALUE) != 0)
+	        if ((cfgset & GPIO_OUTPUT_SET) != 0)
 	          {
 		          /* Use the BSRR register to set the output */
 
diff --git a/arch/arm/src/stm32/stm32_internal.h b/arch/arm/src/stm32/stm32_internal.h
index 800c9c90350..b45bacabb4d 100755
--- a/arch/arm/src/stm32/stm32_internal.h
+++ b/arch/arm/src/stm32/stm32_internal.h
@@ -67,7 +67,8 @@
  * .... .... .... .... O... .... VPPP BBBB
  */
 
-#define GPIO_OUTPUT_PIN               (1 << 15)                  /* Bit 15: Output mode */
+#define GPIO_OUTPUT                   (1 << 15)                  /* Bit 15: Output mode */
+#define GPIO_INPUT                    (0)
 
 /* These bits set the primary function of the pin:
  * .... .... .... .... FFF. .... .... ....
@@ -101,7 +102,8 @@
  * .... .... .... .... .... .... V... ....
  */
 
-#define GPIO_OUTPUT_VALUE             (1 << 7)                   /* Bit 7: If output, inital value of output */
+#define GPIO_OUTPUT_SET               (1 << 7)                   /* Bit 7: If output, inital value of output */
+#define GPIO_OUTPUT_CLEAR             (0) 
 
 /* This identifies the GPIO port:
  * .... .... .... .... .... .... .PPP ....
@@ -123,6 +125,21 @@
 
 #define GPIO_PIN_SHIFT                 0                           /* Bits 0-3: GPIO number: 0-15 */
 #define GPIO_PIN_MASK                  (15 << GPIO_PIN_SHIFT)
+#define GPIO_PIN1                      (1 << GPIO_PIN_SHIFT)
+#define GPIO_PIN2                      (2 << GPIO_PIN_SHIFT)
+#define GPIO_PIN3                      (3 << GPIO_PIN_SHIFT)
+#define GPIO_PIN4                      (4 << GPIO_PIN_SHIFT)
+#define GPIO_PIN5                      (5 << GPIO_PIN_SHIFT)
+#define GPIO_PIN6                      (6 << GPIO_PIN_SHIFT)
+#define GPIO_PIN7                      (7 << GPIO_PIN_SHIFT)
+#define GPIO_PIN8                      (8 << GPIO_PIN_SHIFT)
+#define GPIO_PIN9                      (9 << GPIO_PIN_SHIFT)
+#define GPIO_PIN10                     (10 << GPIO_PIN_SHIFT)
+#define GPIO_PIN11                     (11 << GPIO_PIN_SHIFT)
+#define GPIO_PIN12                     (12 << GPIO_PIN_SHIFT)
+#define GPIO_PIN13                     (13 << GPIO_PIN_SHIFT)
+#define GPIO_PIN14                     (14 << GPIO_PIN_SHIFT)
+#define GPIO_PIN15                     (15 << GPIO_PIN_SHIFT)
 
 /************************************************************************************
  * Public Types