Opensource ML embedded evaluation kit21.03

Change-Id: I12e807f19f5cacad7cef82572b6dd48252fd61fd

1 files changed, 86 insertions, 0 deletions

diff --git a/source/application/hal/platforms/bare-metal/bsp/bsp-packs/mps3/include/timer_mps3.h b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/mps3/include/timer_mps3.h
new file mode 100644
index 0000000..14d64e5
--- /dev/null
+++ b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/mps3/include/timer_mps3.h
@@ -0,0 +1,86 @@
+/*
+ * 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.
+ */
+#ifndef TIMER_MPS3_H
+#define TIMER_MPS3_H
+
+#include <stdint.h>
+#include <time.h>
+
+/* Container for timestamp up-counters. */
+typedef struct _mps3_time_counter {
+    uint32_t    counter_1Hz;
+    uint32_t    counter_100Hz;
+
+    /* Running at FPGA clock rate. See GetMPS3CoreClock(). */
+    uint32_t    counter_fpga;
+
+    /* Running at processor core's internal clock rate, triggered by SysTick. */
+    uint64_t    counter_systick;
+} mps3_time_counter;
+
+/**
+ * @brief   Resets the counters.
+ */
+void timer_reset(void);
+
+/**
+ * @brief   Gets the current counter values.
+ * @returns Mps3 timer counter.
+ **/
+mps3_time_counter get_time_counter(void);
+
+/**
+ * @brief       Gets the duration elapsed between two counters in milliseconds.
+ * @param[in]   start   Pointer to mps3_time_counter value at start time.
+ * @param[in]   end     Pointer to mps3_time_counter value at end.
+ * @returns     Difference in milliseconds between the two give counters 
+ *              expressed as an unsigned integer.
+ **/
+uint32_t get_duration_milliseconds(mps3_time_counter *start,
+                                   mps3_time_counter *end);
+
+/**
+ * @brief       Gets the duration elapsed between two counters in microseconds.
+ * @param[in]   start   Pointer to mps3_time_counter value at start time.
+ * @param[in]   end     Pointer to mps3_time_counter value at end.
+ * @returns     Difference in microseconds between the two give counters 
+ *              expressed as an unsigned integer.
+ **/
+uint32_t get_duration_microseconds(mps3_time_counter *start,
+                                   mps3_time_counter *end);
+
+/**
+ * @brief       Gets the cycle counts elapsed between start and end.
+ * @param[in]   start   Pointer to mps3_time_counter value at start time.
+ * @param[in]   end     Pointer to mps3_time_counter value at end.
+ * @return      Difference in counter values as 32 bit unsigned integer.
+ **/
+uint64_t get_cycle_count_diff(mps3_time_counter *start,
+                              mps3_time_counter *end);
+
+/**
+ * @brief   Enables or triggers cycle counting mechanism, if required
+ *          by the platform.
+ **/
+void start_cycle_counter(void);
+
+/**
+ * @brief   Stops cycle counting mechanism, if required by the platform.
+ **/
+void stop_cycle_counter(void);
+
+#endif /* TIMER_MPS3_H */