boards: samr21-xpro: add user button gpio

2016-02-04 13:58:03 +01:00 · 2016-02-04 13:58:03 +01:00 · b751d79bf5
commit b751d79bf5
parent ca8dbbac20
1 changed files with 9 additions and 0 deletions
--- a/boards/samr21-xpro/include/board.h
+++ b/boards/samr21-xpro/include/board.h
@ -77,6 +77,15 @@ extern "C" {
 #define LED_RED_TOGGLE      LED_TOGGLE
 /** @} */

+/**
+ * @name SW0 (Button) pin definitions
+ * @{
+ */
+#define BUTTON_PORT         PORT->Group[0]
+#define BUTTON_PIN          (28)
+#define BUTTON_GPIO         GPIO_PIN(0, BUTTON_PIN)
+/** @} */
+
 /**
 * @brief Initialize board specific hardware, including clock, LEDs and std-IO
 */