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67 lines
2.4 KiB
C
67 lines
2.4 KiB
C
/*!
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\file systick.h
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\brief the header file of systick
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\version 2017-02-10, V1.0.0, firmware for GD32F30x
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\version 2018-10-10, V1.1.0, firmware for GD32F30x
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\version 2018-12-25, V2.0.0, firmware for GD32F30x
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*/
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/*
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Copyright (c) 2018, GigaDevice Semiconductor Inc.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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OF SUCH DAMAGE.
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*/
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#ifndef SYS_TICK_H
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#define SYS_TICK_H
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#include <stdint.h>
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#define SysTick_Freq (1000U) // Hz
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#define SysTick_Tick (1000U / SysTick_Freq)
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/* configure systick */
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void systick_config(void);
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/* delay a time in milliseconds */
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void delay(uint32_t count);
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/* delay a time in milliseconds with low power */
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void delay_lp(uint32_t count);
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/* delay decrement */
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void delay_decrement(void);
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/* get system tick */
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uint32_t get_tick(void);
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/* suspend system tick */
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void systick_DisableIRQ(void);
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/* resume system tick */
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void systick_EnableIRQ(void);
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void systick_Disable(void);
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void systick_Enable(void);
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void systick_deinit(void);
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#endif /* SYS_TICK_H */
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