Last change
on this file since 286 was 270, checked in by coas-nagasima, 7 years ago |
mruby版ECNLプロトタイピング・ツールを追加
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File size:
905 bytes
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[270] | 1 | /* mbed Microcontroller Library
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| 2 | * Copyright (c) 2006-2013 ARM Limited
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 | #include "wait_api.h"
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| 17 | #include "us_ticker_api.h"
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| 18 |
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| 19 | void wait(float s) {
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| 20 | wait_us(s * 1000000.0f);
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| 21 | }
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| 22 |
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| 23 | void wait_ms(int ms) {
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| 24 | wait_us(ms * 1000);
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| 25 | }
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| 26 |
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| 27 | void wait_us(int us) {
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| 28 | uint32_t start = us_ticker_read();
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| 29 | while ((us_ticker_read() - start) < (uint32_t)us);
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| 30 | }
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