1 /**************************************************************************//**
3 * @brief CMSIS OS Tick header file
6 ******************************************************************************/
8 * Copyright (c) 2017-2017 ARM Limited. All rights reserved.
10 * SPDX-License-Identifier: Apache-2.0
12 * Licensed under the Apache License, Version 2.0 (the License); you may
13 * not use this file except in compliance with the License.
14 * You may obtain a copy of the License at
16 * www.apache.org/licenses/LICENSE-2.0
18 * Unless required by applicable law or agreed to in writing, software
19 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
20 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
21 * See the License for the specific language governing permissions and
22 * limitations under the License.
33 typedef void (*IRQHandler_t) (void);
37 /// \param[in] freq tick frequency in Hz
38 /// \param[in] handler tick IRQ handler
39 /// \return 0 on success, -1 on error.
40 int32_t OS_Tick_Setup (uint32_t freq, IRQHandler_t handler);
43 /// \return 0 on success, -1 on error.
44 int32_t OS_Tick_Enable (void);
47 /// \return 0 on success, -1 on error.
48 int32_t OS_Tick_Disable (void);
50 /// Acknowledge OS Tick IRQ.
51 /// \return 0 on success, -1 on error.
52 int32_t OS_Tick_AcknowledgeIRQ (void);
54 /// Get OS Tick IRQ number.
55 /// \return OS Tick IRQ number.
56 int32_t OS_Tick_GetIRQn (void);
58 /// Get OS Tick clock.
59 /// \return OS Tick clock in Hz.
60 uint32_t OS_Tick_GetClock (void);
62 /// Get OS Tick interval.
63 /// \return OS Tick interval.
64 uint32_t OS_Tick_GetInterval (void);
66 /// Get OS Tick count value.
67 /// \return OS Tick count value.
68 uint32_t OS_Tick_GetCount (void);
70 /// Get OS Tick overflow status.
71 /// \return OS Tick overflow status (1 - overflow, 0 - no overflow).
72 uint32_t OS_Tick_GetOverflow (void);
74 #endif /* OS_TICK_H */