CMSIS Device: Added OS Tick API
diff --git a/ARM.CMSIS.pdsc b/ARM.CMSIS.pdsc
index 1b5c16c..84c7fc6 100644
--- a/ARM.CMSIS.pdsc
+++ b/ARM.CMSIS.pdsc
@@ -8,6 +8,10 @@
<url>http://www.keil.com/pack/</url>
<releases>
+ <release version="5.0.2-dev4">
+ CMSIS Device:
+ - Added OS Tick API
+ </release>
<release version="5.0.2-dev3">
CMSIS-Core_A:
- Added ARM Compiler 6 support
@@ -553,6 +557,13 @@
<apis>
+ <!-- CMSIS Device API -->
+ <api Cclass="Device" Cgroup="OS Tick" Capiversion="1.0.0" exclusive="1">
+ <description>CMSIS OS Tick API</description>
+ <files>
+ <file category="header" name="CMSIS/RTOS2/Include/os_tick.h"/>
+ </files>
+ </api>
<!-- CMSIS-RTOS API -->
<api Cclass="CMSIS" Cgroup="RTOS" Capiversion="1.0.0" exclusive="1">
<description>CMSIS-RTOS API for Cortex-M, SC000, and SC300</description>
diff --git a/CMSIS/RTOS2/Include/os_tick.h b/CMSIS/RTOS2/Include/os_tick.h
new file mode 100644
index 0000000..391f729
--- /dev/null
+++ b/CMSIS/RTOS2/Include/os_tick.h
@@ -0,0 +1,74 @@
+/**************************************************************************//**
+ * @file os_tick.h
+ * @brief CMSIS OS Tick header file
+ * @version V1.0.0
+ * @date 05. June 2017
+ ******************************************************************************/
+/*
+ * Copyright (c) 2017-2017 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
+ *
+ * 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 OS_TICK_H
+#define OS_TICK_H
+
+#include <stdint.h>
+
+/// IRQ Handler.
+#ifndef IRQHANDLER_T
+#define IRQHANDLER_T
+typedef void (*IRQHandler_t) (void);
+#endif
+
+/// Setup OS Tick.
+/// \param[in] freq tick frequency in Hz
+/// \param[in] handler tick IRQ handler
+/// \return 0 on success, -1 on error.
+int32_t OS_Tick_Setup (uint32_t freq, IRQHandler_t handler);
+
+/// Enable OS Tick.
+/// \return 0 on success, -1 on error.
+int32_t OS_Tick_Enable (void);
+
+/// Disable OS Tick.
+/// \return 0 on success, -1 on error.
+int32_t OS_Tick_Disable (void);
+
+/// Acknowledge OS Tick IRQ.
+/// \return 0 on success, -1 on error.
+int32_t OS_Tick_AcknowledgeIRQ (void);
+
+/// Get OS Tick IRQ number.
+/// \return OS Tick IRQ number.
+int32_t OS_Tick_GetIRQn (void);
+
+/// Get OS Tick clock.
+/// \return OS Tick clock in Hz.
+uint32_t OS_Tick_GetClock (void);
+
+/// Get OS Tick interval.
+/// \return OS Tick interval.
+uint32_t OS_Tick_GetInterval (void);
+
+/// Get OS Tick count value.
+/// \return OS Tick count value.
+uint32_t OS_Tick_GetCount (void);
+
+/// Get OS Tick overflow status.
+/// \return OS Tick overflow status (1 - overflow, 0 - no overflow).
+uint32_t OS_Tick_GetOverflow (void);
+
+#endif /* OS_TICK_H */