SPKT

Dependents:   WAV

Committer:
phungductung
Date:
Tue Jun 04 21:51:46 2019 +0000
Revision:
0:e87aa4c49e95
libray

Who changed what in which revision?

UserRevisionLine numberNew contents of line
phungductung 0:e87aa4c49e95 1 /* mbed Microcontroller Library
phungductung 0:e87aa4c49e95 2 * Copyright (c) 2015, STMicroelectronics
phungductung 0:e87aa4c49e95 3 * All rights reserved.
phungductung 0:e87aa4c49e95 4 *
phungductung 0:e87aa4c49e95 5 * Redistribution and use in source and binary forms, with or without
phungductung 0:e87aa4c49e95 6 * modification, are permitted provided that the following conditions are met:
phungductung 0:e87aa4c49e95 7 *
phungductung 0:e87aa4c49e95 8 * 1. Redistributions of source code must retain the above copyright notice,
phungductung 0:e87aa4c49e95 9 * this list of conditions and the following disclaimer.
phungductung 0:e87aa4c49e95 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
phungductung 0:e87aa4c49e95 11 * this list of conditions and the following disclaimer in the documentation
phungductung 0:e87aa4c49e95 12 * and/or other materials provided with the distribution.
phungductung 0:e87aa4c49e95 13 * 3. Neither the name of STMicroelectronics nor the names of its contributors
phungductung 0:e87aa4c49e95 14 * may be used to endorse or promote products derived from this software
phungductung 0:e87aa4c49e95 15 * without specific prior written permission.
phungductung 0:e87aa4c49e95 16 *
phungductung 0:e87aa4c49e95 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
phungductung 0:e87aa4c49e95 18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
phungductung 0:e87aa4c49e95 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
phungductung 0:e87aa4c49e95 20 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
phungductung 0:e87aa4c49e95 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
phungductung 0:e87aa4c49e95 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
phungductung 0:e87aa4c49e95 23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
phungductung 0:e87aa4c49e95 24 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
phungductung 0:e87aa4c49e95 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
phungductung 0:e87aa4c49e95 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
phungductung 0:e87aa4c49e95 27 */
phungductung 0:e87aa4c49e95 28 #include "cmsis.h"
phungductung 0:e87aa4c49e95 29 #include "us_ticker_api.h"
phungductung 0:e87aa4c49e95 30
phungductung 0:e87aa4c49e95 31 HAL_StatusTypeDef HAL_Init(void);
phungductung 0:e87aa4c49e95 32
phungductung 0:e87aa4c49e95 33 // This function is called after RAM initialization and before main.
phungductung 0:e87aa4c49e95 34 void mbed_sdk_init()
phungductung 0:e87aa4c49e95 35 {
phungductung 0:e87aa4c49e95 36 // Update the SystemCoreClock variable.
phungductung 0:e87aa4c49e95 37 SystemCoreClockUpdate();
phungductung 0:e87aa4c49e95 38 // Need to restart HAL driver after the RAM is initialized
phungductung 0:e87aa4c49e95 39 HAL_Init();
phungductung 0:e87aa4c49e95 40 }
phungductung 0:e87aa4c49e95 41
phungductung 0:e87aa4c49e95 42
phungductung 0:e87aa4c49e95 43 /**
phungductung 0:e87aa4c49e95 44 * @brief This function provides accurate delay (in milliseconds) based
phungductung 0:e87aa4c49e95 45 * on variable incremented.
phungductung 0:e87aa4c49e95 46 * @note This function is the modified version of the __weak version contained in
phungductung 0:e87aa4c49e95 47 * stm32f7xx_hal.c, using us_ticker
phungductung 0:e87aa4c49e95 48 * @param Delay: specifies the delay time length, in milliseconds.
phungductung 0:e87aa4c49e95 49 * @retval None
phungductung 0:e87aa4c49e95 50 */
phungductung 0:e87aa4c49e95 51 void HAL_Delay(__IO uint32_t Delay)
phungductung 0:e87aa4c49e95 52 {
phungductung 0:e87aa4c49e95 53 uint32_t start = us_ticker_read();
phungductung 0:e87aa4c49e95 54 while ((us_ticker_read() - start) < (uint32_t)(Delay * 1000));
phungductung 0:e87aa4c49e95 55 }
phungductung 0:e87aa4c49e95 56