From 30f0bb1d66f016d6d8366aa483ca12a4724bd599 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Tue, 18 Sep 2007 12:40:26 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 src/chsleep.c | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 src/chsleep.c

(limited to 'src/chsleep.c')

diff --git a/src/chsleep.c b/src/chsleep.c
new file mode 100644
index 000000000..9fedd0244
--- /dev/null
+++ b/src/chsleep.c
@@ -0,0 +1,79 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006-2007 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/>.
+*/
+
+/**
+ * @addtogroup Time
+ * @{
+ */
+
+#include <ch.h>
+
+#ifdef CH_USE_SLEEP
+/**
+ * Suspends the invoking thread for the specified time.
+ * @param time the system ticks number
+ */
+void chThdSleep(t_time time) {
+  VirtualTimer vt;
+
+  chSysLock();
+
+  chVTSetI(&vt, time, (t_vtfunc)chSchReadyI, currp);
+  chSchGoSleepI(PRSLEEP);
+
+  chSysUnlock();
+}
+
+#ifdef CH_USE_SYSTEMTIME
+/**
+ * Returns the number of system ticks since the \p chSysInit() invocation.
+ * @return the system ticks number
+ * @note The counter can reach its maximum and return to zero.
+ * @note This function is designed to work with the \p chThdSleepUntil().
+ * @note The function is available only if the \p CH_USE_SYSTEMTIME
+ *       option is enabled in \p chconf.h.
+ */
+t_time chSysGetTime(void) {
+
+  return stime;
+}
+
+/**
+ * Suspends the invoking thread until the system time arrives to the specified
+ * value.
+ * @param time the system time
+ * @note The function is available only if the \p CH_USE_SYSTEMTIME
+ *       option is enabled in \p chconf.h.
+ */
+void chThdSleepUntil(t_time time) {
+  VirtualTimer t;
+
+  chSysLock();
+
+  chVTSetI(&t, (t_time)(time - stime), (t_vtfunc)chSchReadyI, currp);
+  chSchGoSleepI(PRSLEEP);
+
+  chSysUnlock();
+}
+#endif /* CH_USE_SYSTEMTIME */
+
+#endif /* CH_USE_SLEEP */
+
+/** @} */
+
-- 
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