MLECO-2682: CMake and source refactoring.
MLECO-2930: logging macros were extracted from hal.h and used separately around the code.
MLECO-2931: arm_math lib introduced, cmsis-dsp removed from top level linkage.
MLECO-2915: platform related post-build steps.
Change-Id: Id718884e22f262a5c070ded3f3f5d4b048820147
Signed-off-by: alexander <alexander.efremov@arm.com>
diff --git a/source/hal/profiles/native/timer/platform_timer.c b/source/hal/profiles/native/timer/platform_timer.c
new file mode 100644
index 0000000..c311125
--- /dev/null
+++ b/source/hal/profiles/native/timer/platform_timer.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "timer.h"
+
+#include <assert.h>
+#include <time.h>
+#include <string.h>
+
+#define MILLISECONDS_IN_SECOND 1000
+#define MICROSECONDS_IN_SECOND 1000000
+#define NANOSECONDS_IN_MILLISECOND 1000000
+#define NANOSECONDS_IN_MICROSECOND 1000
+
+/**
+ * @brief Gets the current time counter value.
+ * @return Counter value expressed in terms of time_counter struct.
+ **/
+static time_counter get_time_counter(void)
+{
+ struct timespec current_time;
+ clock_gettime(1, ¤t_time);
+ time_counter t = {
+ .current_secs = current_time.tv_sec,
+ .current_nsecs = current_time.tv_nsec
+ };
+
+ return t;
+}
+
+/**
+ * @brief Gets the time duration elapsed between start and end.
+ * @param[in] start Pointer to time_counter value at start time.
+ * @param[in] end Pointer to time_counter value at end.
+ * @return Difference in milliseconds between the arguments expressed
+ * as unsigned 32 bit integer.
+ **/
+static time_t get_duration_milliseconds(time_counter *start, time_counter *end)
+{
+ /* Convert both parts of time struct to ms then add for complete time. */
+ time_t seconds_part =
+ (end->current_secs - start->current_secs) * MILLISECONDS_IN_SECOND;
+ time_t nanoseconds_part =
+ (end->current_nsecs - start->current_nsecs) / NANOSECONDS_IN_MILLISECOND;
+
+ return seconds_part + nanoseconds_part;
+}
+
+/**
+ * @brief Gets the time duration elapsed between start and end.
+ * @param[in] start Pointer to time_counter value at start time.
+ * @param[in] end Pointer to time_counter value at end.
+ * @return Difference in microseconds between the arguments expressed
+ * as unsigned 32 bit integer.
+ **/
+static time_t get_duration_microseconds(time_counter *start, time_counter *end)
+{
+ /* Convert both parts of time struct to us then add for complete time. */
+ time_t seconds_part =
+ (end->current_secs - start->current_secs) * MICROSECONDS_IN_SECOND;
+ time_t nanoseconds_part =
+ (end->current_nsecs - start->current_nsecs) / NANOSECONDS_IN_MICROSECOND;
+
+ return seconds_part + nanoseconds_part;
+}
+
+/**
+ * @brief Stub for timer reset.
+ **/
+void reset_timer() {}
+
+/**
+ * @brief Initialise the timer for this platform.
+ **/
+void init_timer(platform_timer *timer)
+{
+ assert(timer);
+ memset(timer, 0, sizeof(*timer));
+
+ timer->get_time_counter = get_time_counter;
+ timer->start_profiling = get_time_counter;
+ timer->stop_profiling = get_time_counter;
+ timer->get_duration_ms = get_duration_milliseconds;
+ timer->cap.duration_ms = 1;
+ timer->get_duration_us = get_duration_microseconds;
+ timer->cap.duration_us = 1;
+ timer->reset = reset_timer;
+ timer->inited = 1;
+}
+
+#ifdef __cplusplus
+}
+#endif