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56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
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/*
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delay.h
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LPC11U3x GPS Logger (https://github.com/olikraus/lpc11u3x-gps-logger)
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Copyright (c) 2016, olikraus@gmail.com
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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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* Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or other
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materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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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
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DELAY_H
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#define _DELAY_H
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#include <stdint.h>
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/*
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Delay by the provided number of system ticks.
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Any values between 0 and 0x0ffffffff are allowed.
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*/
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void delay_system_ticks(uint32_t sys_ticks);
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/*
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Delay by the provided number of micro seconds.
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Limitation: "us" * System-Freq in MHz must now overflow in 32 bit.
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Values between 0 and 1.000.000 (1 second) are ok.
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Important: Call SystemCoreClockUpdate() before calling this function.
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*/
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void delay_micro_seconds(uint32_t us);
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#endif /* _DELAY_H */
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