mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

platform/mbed_wait_api_no_rtos.c@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
187:0387e8f68319 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 149:156823d33999 1 /* mbed Microcontroller Library
<> 149:156823d33999 2 * Copyright (c) 2006-2013 ARM Limited
AnnaBridge 189:f392fc9709a3 3 * SPDX-License-Identifier: Apache-2.0
<> 149:156823d33999 4 *
<> 149:156823d33999 5 * Licensed under the Apache License, Version 2.0 (the "License");
<> 149:156823d33999 6 * you may not use this file except in compliance with the License.
<> 149:156823d33999 7 * You may obtain a copy of the License at
<> 149:156823d33999 8 *
<> 149:156823d33999 9 * http://www.apache.org/licenses/LICENSE-2.0
<> 149:156823d33999 10 *
<> 149:156823d33999 11 * Unless required by applicable law or agreed to in writing, software
<> 149:156823d33999 12 * distributed under the License is distributed on an "AS IS" BASIS,
<> 149:156823d33999 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 149:156823d33999 14 * See the License for the specific language governing permissions and
<> 149:156823d33999 15 * limitations under the License.
<> 149:156823d33999 16 */
<> 149:156823d33999 17
<> 149:156823d33999 18 // This implementation of the wait functions will be compiled only
<> 149:156823d33999 19 // if the RTOS is not present.
<> 149:156823d33999 20 #ifndef MBED_CONF_RTOS_PRESENT
<> 149:156823d33999 21
<> 160:d5399cc887bb 22 #include "platform/mbed_wait_api.h"
<> 149:156823d33999 23 #include "hal/us_ticker_api.h"
<> 149:156823d33999 24
AnnaBridge 187:0387e8f68319 25 void wait(float s)
AnnaBridge 187:0387e8f68319 26 {
<> 149:156823d33999 27 wait_us(s * 1000000.0f);
<> 149:156823d33999 28 }
<> 149:156823d33999 29
AnnaBridge 187:0387e8f68319 30 void wait_ms(int ms)
AnnaBridge 187:0387e8f68319 31 {
<> 149:156823d33999 32 wait_us(ms * 1000);
<> 149:156823d33999 33 }
<> 149:156823d33999 34
AnnaBridge 187:0387e8f68319 35 void wait_us(int us)
AnnaBridge 187:0387e8f68319 36 {
AnnaBridge 175:af195413fb11 37 const ticker_data_t *const ticker = get_us_ticker_data();
AnnaBridge 175:af195413fb11 38 uint32_t start = ticker_read(ticker);
AnnaBridge 175:af195413fb11 39 while ((ticker_read(ticker) - start) < (uint32_t)us);
<> 149:156823d33999 40 }
<> 149:156823d33999 41
<> 149:156823d33999 42 #endif // #ifndef MBED_CONF_RTOS_PRESENT
<> 149:156823d33999 43