mirror of https://github.com/ARMmbed/mbed-os.git
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2006-2013 ARM Limited
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* SPDX-License-Identifier: Apache-2.0
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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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// This implementation of the wait functions will be compiled only
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// if the RTOS is not present.
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#ifndef MBED_CONF_RTOS_PRESENT
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#include "platform/mbed_wait_api.h"
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#include "hal/us_ticker_api.h"
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void wait(float s)
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{
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wait_us(s * 1000000.0f);
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}
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void wait_ms(int ms)
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{
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wait_us(ms * 1000);
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}
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void wait_us(int us)
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{
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const ticker_data_t *const ticker = get_us_ticker_data();
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uint32_t start = ticker_read(ticker);
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while ((ticker_read(ticker) - start) < (uint32_t)us);
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}
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#endif // #ifndef MBED_CONF_RTOS_PRESENT
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