From 4b29d2ef6d2c861de5f12ec25995ca4a828df071 Mon Sep 17 00:00:00 2001
From: Ian Martin <ian@locicontrols.com>
Date: Mon, 22 Feb 2016 16:38:39 -0500
Subject: [PATCH] set xtimer parameters for cc2538-based boards.

---
 boards/cc2538dk/include/board.h        | 11 +++++++++++
 boards/openmote-cc2538/include/board.h | 11 +++++++++++
 boards/remote/include/board.h          | 12 ++++++++++++
 3 files changed, 34 insertions(+)

diff --git a/boards/cc2538dk/include/board.h b/boards/cc2538dk/include/board.h
index caa931910..47416b74a 100644
--- a/boards/cc2538dk/include/board.h
+++ b/boards/cc2538dk/include/board.h
@@ -72,6 +72,17 @@ extern "C" {
 #define CCA_BACKDOOR_ACTIVE_LEVEL 0 /**< Active low */
 /** @} */
 
+/**
+ * @name xtimer configuration
+ * @{
+ */
+#define XTIMER              TIMER_0
+#define XTIMER_CHAN         0
+#define XTIMER_SHIFT        -4
+#define XTIMER_BACKOFF      50
+#define XTIMER_ISR_BACKOFF  40
+/** @} */
+
 /**
  * @brief Initialize board specific hardware, including clock, LEDs and std-IO
  */
diff --git a/boards/openmote-cc2538/include/board.h b/boards/openmote-cc2538/include/board.h
index 4e441bae8..31e0a5ac2 100644
--- a/boards/openmote-cc2538/include/board.h
+++ b/boards/openmote-cc2538/include/board.h
@@ -60,6 +60,17 @@
 #define LED_ORANGE_TOGGLE   (LED_PORT->DATA ^= (1 << LED_ORANGE_PIN))
 /** @} */
 
+/**
+ * @name xtimer configuration
+ * @{
+ */
+#define XTIMER              TIMER_0
+#define XTIMER_CHAN         0
+#define XTIMER_SHIFT        -4
+#define XTIMER_BACKOFF      50
+#define XTIMER_ISR_BACKOFF  40
+/** @} */
+
 /**
  * @brief Initialize board specific hardware, including clock, LEDs and std-IO
  */
diff --git a/boards/remote/include/board.h b/boards/remote/include/board.h
index 0db379e49..1c3531f4e 100644
--- a/boards/remote/include/board.h
+++ b/boards/remote/include/board.h
@@ -121,6 +121,18 @@
 #define RF_SWITCH_INTERNAL  (RF_SWITCH_PORT->DATA &= ~(1 << RF_SWITCH_PIN))
 #define RF_SWITCH_TOGGLE    (RF_SWITCH_PORT->DATA ^= (1 << RF_SWITCH_PIN))
 /** @} */
+
+/**
+ * @name xtimer configuration
+ * @{
+ */
+#define XTIMER              TIMER_0
+#define XTIMER_CHAN         0
+#define XTIMER_SHIFT        -4
+#define XTIMER_BACKOFF      50
+#define XTIMER_ISR_BACKOFF  40
+/** @} */
+
 /**
  * @brief Initialize board specific hardware, including clock, LEDs and std-IO
  */