Add missing port functions for freerunning mode on RT

gistfile1.diff

Index: os/rt/ports/AVR/chcore.h
===================================================================
--- os/rt/ports/AVR/chcore.h	(revision 8095)
+++ os/rt/ports/AVR/chcore.h	(revision 8096)
@@ -381,6 +381,10 @@
 }
 #endif

+#if CH_CFG_ST_TIMEDELTA > 0
+#include "chcore_timer.h"
+#endif
+
 #endif /* _CHCORE_H_ */

 /** @} */
Index: os/rt/ports/AVR/chcore_timer.h
===================================================================
--- os/rt/ports/AVR/chcore_timer.h	(revision 0)
+++ os/rt/ports/AVR/chcore_timer.h	(revision 8096)
@@ -0,0 +1,124 @@
+/*
+    ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio.
+
+    This file is part of ChibiOS.
+
+    ChibiOS is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file    AVR/chcore_timer.h
+ * @brief   System timer header file.
+ *
+ * @addtogroup AVR_TIMER
+ * @{
+ */
+
+#ifndef _CHCORE_TIMER_H_
+#define _CHCORE_TIMER_H_
+
+/* This is the only header in the HAL designed to be include-able alone.*/
+#include "st.h"
+
+/*===========================================================================*/
+/* Module constants.                                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module pre-compile time settings.                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks.                                       */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module data structures and types.                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module macros.                                                            */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module inline functions.                                                  */
+/*===========================================================================*/
+
+/**
+ * @brief   Starts the alarm.
+ * @note    Makes sure that no spurious alarms are triggered after
+ *          this call.
+ *
+ * @param[in] time      the time to be set for the first alarm
+ *
+ * @notapi
+ */
+static inline void port_timer_start_alarm(systime_t time) {
+
+  stStartAlarm(time);
+}
+
+/**
+ * @brief   Stops the alarm interrupt.
+ *
+ * @notapi
+ */
+static inline void port_timer_stop_alarm(void) {
+
+  stStopAlarm();
+}
+
+/**
+ * @brief   Sets the alarm time.
+ *
+ * @param[in] time      the time to be set for the next alarm
+ *
+ * @notapi
+ */
+static inline void port_timer_set_alarm(systime_t time) {
+
+  stSetAlarm(time);
+}
+
+/**
+ * @brief   Returns the system time.
+ *
+ * @return              The system time.
+ *
+ * @notapi
+ */
+static inline systime_t port_timer_get_time(void) {
+
+  return stGetCounter();
+}
+
+/**
+ * @brief   Returns the current alarm time.
+ *
+ * @return              The currently set alarm time.
+ *
+ * @notapi
+ */
+static inline systime_t port_timer_get_alarm(void) {
+
+  return stGetAlarm();
+}
+
+#endif /* _CHCORE_TIMER_H_ */
+
+/** @} */