mbed library sources(for async_print)
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Diff: common/wait_api.c
- Revision:
- 13:0645d8841f51
- Parent:
- 10:3bc89ef62ce7
- Child:
- 19:398f4c622e1b
--- a/common/wait_api.c Wed Jul 24 11:11:21 2013 +0100 +++ b/common/wait_api.c Mon Aug 05 14:12:34 2013 +0300 @@ -1,30 +1,30 @@ -/* mbed Microcontroller Library - * Copyright (c) 2006-2013 ARM Limited - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#include "wait_api.h" -#include "us_ticker_api.h" - -void wait(float s) { - wait_us(s * 1000000.0f); -} - -void wait_ms(int ms) { - wait_us(ms * 1000); -} - -void wait_us(int us) { - uint32_t start = us_ticker_read(); - while ((us_ticker_read() - start) < us); -} +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "wait_api.h" +#include "us_ticker_api.h" + +void wait(float s) { + wait_us(s * 1000000.0f); +} + +void wait_ms(int ms) { + wait_us(ms * 1000); +} + +void wait_us(int us) { + uint32_t start = us_ticker_read(); + while ((us_ticker_read() - start) < us); +}