Update version numbers in preparation for new release.

2026-02-21 17:45:30 -05:00 · 2015-08-05 12:59:42 +00:00 · 2015-08-05 12:59:42 +00:00 · 99d4f2c454
commit 99d4f2c454
parent b4c3d91aff
1451 changed files with 31767 additions and 11220 deletions
--- a/FreeRTOS-Plus/Source/Reliance-Edge/os/freertos/services/ostimestamp.c
+++ b/FreeRTOS-Plus/Source/Reliance-Edge/os/freertos/services/ostimestamp.c
@ -0,0 +1,109 @@
+/*             ----> DO NOT REMOVE THE FOLLOWING NOTICE <----
+
+                   Copyright (c) 2014-2015 Datalight, Inc.
+                       All Rights Reserved Worldwide.
+
+    This program 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; use version 2 of the License.
+
+    This program is distributed in the hope that it will be useful,
+    but "AS-IS," 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, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+/*  Businesses and individuals that for commercial or other reasons cannot
+    comply with the terms of the GPLv2 license may obtain a commercial license
+    before incorporating Reliance Edge into proprietary software for
+    distribution in any form.  Visit http://www.datalight.com/reliance-edge for
+    more information.
+*/
+/** @file
+    @brief Implements timestamp functions.
+
+    The functionality implemented herein is not needed for the file system
+    driver, only to provide accurate results with performance tests.
+*/
+#include <FreeRTOS.h>
+#include <task.h>
+
+#include <redfs.h>
+
+
+/*  configTICK_RATE_HZ is almost always 100, 250, 500, or 1000.  If
+    1000000U % configTICK_RATE_HZ != 0, then RedOsTimePassed() will be a
+    little inaccurate.
+*/
+#define MICROSECS_PER_TICK  (1000000U / configTICK_RATE_HZ)
+
+
+/** @brief Initialize the timestamp service.
+
+    The behavior of invoking this function when timestamps are already
+    initialized is undefined.
+
+    @return A negated ::REDSTATUS code indicating the operation result.
+
+    @retval 0           Operation was successful.
+    @retval -RED_ENOSYS The timestamp service has not been implemented.
+*/
+REDSTATUS RedOsTimestampInit(void)
+{
+    return 0;
+}
+
+
+/** @brief Uninitialize the timestamp service.
+
+    The behavior of invoking this function when timestamps are not initialized
+    is undefined.
+
+    @return A negated ::REDSTATUS code indicating the operation result.
+
+    @retval 0   Operation was successful.
+*/
+REDSTATUS RedOsTimestampUninit(void)
+{
+    return 0;
+}
+
+
+/** @brief Retrieve a timestamp.
+
+    The behavior of invoking this function when timestamps are not initialized
+    is undefined
+
+    @return A timestamp which can later be passed to RedOsTimePassed() to
+            determine the amount of time which passed between the two calls.
+*/
+REDTIMESTAMP RedOsTimestamp(void)
+{
+    return xTaskGetTickCount();
+}
+
+
+/** @brief Determine how much time has passed since a timestamp was retrieved.
+
+    The behavior of invoking this function when timestamps are not initialized
+    is undefined.
+
+    @param tsSince  A timestamp acquired earlier via RedOsTimestamp().
+
+    @return The number of microseconds which have passed since @p tsSince.
+*/
+uint64_t RedOsTimePassed(
+    REDTIMESTAMP    tsSince)
+{
+    /*  This works even if the tick count has wrapped around, provided it has
+        only wrapped around once.
+    */
+    uint32_t        ulTicksPassed = (uint32_t)xTaskGetTickCount() - tsSince;
+    uint64_t        ullMicrosecs = (uint64_t)ulTicksPassed * MICROSECS_PER_TICK;
+
+    return ullMicrosecs;
+}
+