Iftikhar Aziz / mbed-dev

4545

Dependents:   LSS_Rev_1

Fork of mbed-dev by Umar Naeem

targets/TARGET_STM/TARGET_STM32F4/mbed_overrides.c@166:33361e55dd8c, 2017-08-23 (annotated)

Committer:
iftaziz
Date:
Wed Aug 23 10:32:38 2017 +0000
Revision:
166:33361e55dd8c
Parent:
150:02e0a0aed4ec 
r1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 149:156823d33999 1 /* mbed Microcontroller Library
<> 149:156823d33999 2 * Copyright (c) 2014, STMicroelectronics
<> 149:156823d33999 3 * All rights reserved.
<> 149:156823d33999 4 *
<> 149:156823d33999 5 * Redistribution and use in source and binary forms, with or without
<> 149:156823d33999 6 * modification, are permitted provided that the following conditions are met:
<> 149:156823d33999 7 *
<> 149:156823d33999 8 * 1. Redistributions of source code must retain the above copyright notice,
<> 149:156823d33999 9 * this list of conditions and the following disclaimer.
<> 149:156823d33999 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 149:156823d33999 11 * this list of conditions and the following disclaimer in the documentation
<> 149:156823d33999 12 * and/or other materials provided with the distribution.
<> 149:156823d33999 13 * 3. Neither the name of STMicroelectronics nor the names of its contributors
<> 149:156823d33999 14 * may be used to endorse or promote products derived from this software
<> 149:156823d33999 15 * without specific prior written permission.
<> 149:156823d33999 16 *
<> 149:156823d33999 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 149:156823d33999 18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 149:156823d33999 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 149:156823d33999 20 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 149:156823d33999 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 149:156823d33999 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 149:156823d33999 23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 149:156823d33999 24 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 149:156823d33999 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 149:156823d33999 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 149:156823d33999 27 */
<> 149:156823d33999 28 #include "cmsis.h"
<> 149:156823d33999 29 #include "us_ticker_api.h"
<> 149:156823d33999 30
<> 149:156823d33999 31 // This function is called after RAM initialization and before main.
<> 149:156823d33999 32 void mbed_sdk_init()
<> 149:156823d33999 33 {
<> 149:156823d33999 34 // Update the SystemCoreClock variable.
<> 149:156823d33999 35 SystemCoreClockUpdate();
<> 149:156823d33999 36 // Need to restart HAL driver after the RAM is initialized
<> 149:156823d33999 37 HAL_Init();
<> 149:156823d33999 38 }
<> 149:156823d33999 39
<> 149:156823d33999 40 /**
<> 149:156823d33999 41 * @brief This function provides accurate delay (in milliseconds) based
<> 149:156823d33999 42 * on variable incremented.
<> 149:156823d33999 43 * @note This function is the modified version of the __weak version contained in
<> 149:156823d33999 44 * stm32f4xx_hal.c, using us_ticker
<> 149:156823d33999 45 * @param Delay: specifies the delay time length, in milliseconds.
<> 149:156823d33999 46 * @retval None
<> 149:156823d33999 47 */
<> 149:156823d33999 48 void HAL_Delay(__IO uint32_t Delay)
<> 149:156823d33999 49 {
<> 149:156823d33999 50 uint32_t start = us_ticker_read();
<> 149:156823d33999 51 while ((us_ticker_read() - start) < (uint32_t)(Delay * 1000));
<> 149:156823d33999 52 }
<> 149:156823d33999 53