Add LED logic

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3027 42af7a65-404d-4744-a932-0658087f49c3

arch/avr/src/at91uc3/at91uc3_internal.h

@@ -92,6 +92,8 @@
  */
 
 #define GPIO_VALUE                 (1 << 10) /* Bit 10: Output value */
+#define GPIO_HIGH                  GPIO_VALUE
+#define GPIO_LOW                   (0)
 
 /* Input/Ouptut (Valid only if GPIO_ENABLE)
  * .... ..O. .... ....

configs/avr32dev1/include/board.h

@@ -74,15 +74,18 @@
 #define PINMUX_USART1_TXD    PINMUX_USART1_TXD_1
 
 /* LED definitions ******************************************************************/
-
-#define LED_STARTED          0
-#define LED_HEAPALLOCATE     1
-#define LED_IRQSENABLED      2
-#define LED_STACKCREATED     3
-#define LED_INIRQ            4
-#define LED_SIGNAL           5
-#define LED_ASSERTION        6
-#define LED_PANIC            7
+/* The AVR32DEV1 board has 3 LEDs, two of which can be controlled through GPIO pins */
+
+                                /*    ON        OFF    */
+								/* LED1 LED2 LED1 LED2 */
+#define LED_STARTED          0  /* OFF  OFF  OFF  OFF  */
+#define LED_HEAPALLOCATE     0  /* OFF  OFF  OFF  OFF  */
+#define LED_IRQSENABLED      0  /* OFF  OFF  OFF  OFF  */
+#define LED_STACKCREATED     1  /* ON   OFF  OFF  OFF  */
+#define LED_INIRQ            2  /* ON   ON   ON   OFF  */
+#define LED_SIGNAL           2  /* ON   ON   ON   OFF  */
+#define LED_ASSERTION        2  /* ON   ON   ON   OFF  */
+#define LED_PANIC            2  /* ON   ON   ON   OFF  */
 
 /************************************************************************************
  * Public Types

configs/avr32dev1/src/avr32dev1_internal.h

@@ -49,6 +49,27 @@
  ************************************************************************************/
 
 /* AVRDEV1 GPIO Pin Definitions *****************************************************/
+/* LEDs
+ * 
+ * The AVR32DEV1 board has 3 LEDs, two of which can be controlled through GPIO pins.
+ *
+ * PIN 13  PA7  LED1
+ * PIN 14  PA8  LED2
+ */
+
+#define PINMUX_GPIO_LED1 (GPIO_ENABLE | GPIO_OUTPUT | GPIO_LOW | GPIO_PORTA | 7)
+#define PINMUX_GPIO_LED2 (GPIO_ENABLE | GPIO_OUTPUT | GPIO_LOW | GPIO_PORTA | 8)
+
+/* KEYs
+ *
+ * The AVR32DEV1 board has 3 KEYs, two of which can be sensed through GPIO pins.
+ *
+ * PIN 24  PB2  KEY1
+ * PIN 25  PB3  KEY2
+ */
+
+#define PINMUX_GPIO_KEY1 (GPIO_ENABLE | GPIO_INPUT | GPIO_PORTB | 2)
+#define PINMUX_GPIO_KEY2 (GPIO_ENABLE | GPIO_INPUT | GPIO_PORTB | 3)
 
 /************************************************************************************
  * Public Types

configs/avr32dev1/src/up_leds.c

@@ -105,7 +105,8 @@
 
 void up_ledinitialize(void)
 {
-# warning "Not implemented"
+  at91uc3_configgpio(PINMUX_GPIO_LED1);
+  at91uc3_configgpio(PINMUX_GPIO_LED2);
 }
 
 /****************************************************************************
@@ -114,7 +115,8 @@ void up_ledinitialize(void)
 
 void up_ledon(int led)
 {
-# warning "Not implemented"
+  at91uc3_gpiowrite(PINMUX_GPIO_LED1, (led != 0));
+  at91uc3_gpiowrite(PINMUX_GPIO_LED2, (led == 2));
 }
 
 /****************************************************************************
@@ -123,6 +125,7 @@ void up_ledon(int led)
 
 void up_ledoff(int led)
 {
-# warning "Not implemented"
+  at91uc3_gpiowrite(PINMUX_GPIO_LED1, (led == 2));
+  at91uc3_gpiowrite(PINMUX_GPIO_LED2, false);
 }
 #endif /* CONFIG_ARCH_LEDS */