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35 lines
1.4 KiB
C
35 lines
1.4 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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//! @internal
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//!
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//! Waits for a certain amount of milliseconds by suspending the thread in firmware or by just busy
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//! waiting in the bootloader.
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//!
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//! Note that the thread is slept until the current tick + millis of ticks, so that means that if
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//! we're currently part way through a tick, we'll actually wait for a time that's less than
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//! expected. For example, if we're at tick n and we want to wait for 1 millisecond, we'll sleep
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//! the thread until tick n+1, which will result in a sleep of less than a millisecond, as we're
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//! probably halfway through the n-th tick at this time. Also note that your thread isn't
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//! guaranteed to be scheduled immediately after you're done sleeping, so you may sleep for longer
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//! than you expect.
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//!
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//! @param millis The number of milliseconds to wait for
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void psleep(int millis);
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