1 files changed, 136 insertions, 0 deletions
diff --git a/os/hal/src/st.c b/os/hal/src/st.c
new file mode 100644
index 000000000..afb4466fa
--- /dev/null
+++ b/os/hal/src/st.c
@@ -0,0 +1,136 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+                 2011,2012,2013 Giovanni Di Sirio.
+
+    This file is part of ChibiOS/RT.
+
+    ChibiOS/RT 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/RT 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    st.c
+ * @brief   ST Driver code.
+ *
+ * @addtogroup ST
+ * @{
+ */
+
+#include "hal.h"
+
+#if (OSAL_ST_MODE != OSAL_ST_MODE_NONE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions.                                                 */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables.                                                */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local types.                                                       */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions.                                                */
+/*===========================================================================*/
+
+/**
+ * @brief   ST Driver initialization.
+ * @note    This function is implicitly invoked by @p halInit(), there is
+ *          no need to explicitly initialize the driver.
+ *
+ * @init
+ */
+void stInit(void) {
+
+  st_lld_init();
+}
+
+
+/**
+ * @brief   Starts the alarm.
+ * @note    Makes sure that no spurious alarms are triggered after
+ *          this call.
+ * @note    This functionality is only available in free running mode, the
+ *          behavior in periodic mode is undefined.
+ *
+ * @param[in] time      the time to be set for the first alarm
+ *
+ * @api
+ */
+void stStartAlarm(systime_t time) {
+
+  osalDbgAssert(stIsAlarmActive() == false, "already active");
+
+  st_lld_start_alarm(time);
+}
+
+/**
+ * @brief   Stops the alarm interrupt.
+ * @note    This functionality is only available in free running mode, the
+ *          behavior in periodic mode is undefined.
+ *
+ * @api
+ */
+void stStopAlarm(void) {
+
+  osalDbgAssert(stIsAlarmActive() != false, "not active");
+
+  st_lld_stop_alarm();
+}
+
+/**
+ * @brief   Sets the alarm time.
+ * @note    This functionality is only available in free running mode, the
+ *          behavior in periodic mode is undefined.
+ *
+ * @param[in] time      the time to be set for the next alarm
+ *
+ * @api
+ */
+void stSetAlarm(systime_t time) {
+
+  osalDbgAssert(stIsAlarmActive() != false, "not active");
+
+  st_lld_set_alarm(time);
+}
+
+/**
+ * @brief   Returns the current alarm time.
+ * @note    This functionality is only available in free running mode, the
+ *          behavior in periodic mode is undefined.
+ *
+ * @return              The currently set alarm time.
+ *
+ * @api
+ */
+systime_t stGetAlarm(void) {
+
+  osalDbgAssert(stIsAlarmActive() != false, "not active");
+
+  return st_lld_get_alarm();
+}
+
+#endif /* OSAL_ST_MODE != OSAL_ST_MODE_NONE */
+
+/** @} */