b luo / mbed-dev

mbed library sources. With a patch for the can_api

Fork of mbed-dev by mbed official

targets/TARGET_STM/TARGET_STM32F2/mbed_overrides.c@151:91825d030f9b, 2016-11-14 (annotated)

Committer:
DangerousElectrician
Date:
Mon Nov 14 04:39:23 2016 +0000
Revision:
151:91825d030f9b
Parent:
149:156823d33999 
stuff changed?

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /* mbed Microcontroller Library
<> 144:ef7eb2e8f9f7 2 * Copyright (c) 2016, STMicroelectronics
<> 144:ef7eb2e8f9f7 3 * All rights reserved.
<> 144:ef7eb2e8f9f7 4 *
<> 144:ef7eb2e8f9f7 5 * Redistribution and use in source and binary forms, with or without
<> 144:ef7eb2e8f9f7 6 * modification, are permitted provided that the following conditions are met:
<> 144:ef7eb2e8f9f7 7 *
<> 144:ef7eb2e8f9f7 8 * 1. Redistributions of source code must retain the above copyright notice,
<> 144:ef7eb2e8f9f7 9 * this list of conditions and the following disclaimer.
<> 144:ef7eb2e8f9f7 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 144:ef7eb2e8f9f7 11 * this list of conditions and the following disclaimer in the documentation
<> 144:ef7eb2e8f9f7 12 * and/or other materials provided with the distribution.
<> 144:ef7eb2e8f9f7 13 * 3. Neither the name of STMicroelectronics nor the names of its contributors
<> 144:ef7eb2e8f9f7 14 * may be used to endorse or promote products derived from this software
<> 144:ef7eb2e8f9f7 15 * without specific prior written permission.
<> 144:ef7eb2e8f9f7 16 *
<> 144:ef7eb2e8f9f7 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 144:ef7eb2e8f9f7 18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 144:ef7eb2e8f9f7 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 144:ef7eb2e8f9f7 20 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 144:ef7eb2e8f9f7 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 144:ef7eb2e8f9f7 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 144:ef7eb2e8f9f7 23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 144:ef7eb2e8f9f7 24 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 144:ef7eb2e8f9f7 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 144:ef7eb2e8f9f7 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 144:ef7eb2e8f9f7 27 */
<> 144:ef7eb2e8f9f7 28 #include "cmsis.h"
<> 144:ef7eb2e8f9f7 29 #include "us_ticker_api.h"
<> 144:ef7eb2e8f9f7 30
<> 144:ef7eb2e8f9f7 31 // This function is called after RAM initialization and before main.
<> 144:ef7eb2e8f9f7 32 void mbed_sdk_init()
<> 144:ef7eb2e8f9f7 33 {
<> 144:ef7eb2e8f9f7 34 // Update the SystemCoreClock variable.
<> 144:ef7eb2e8f9f7 35 SystemCoreClockUpdate();
<> 144:ef7eb2e8f9f7 36 // Need to restart HAL driver after the RAM is initialized
<> 144:ef7eb2e8f9f7 37 HAL_Init();
<> 144:ef7eb2e8f9f7 38 }
<> 144:ef7eb2e8f9f7 39
<> 144:ef7eb2e8f9f7 40 /**
<> 144:ef7eb2e8f9f7 41 * @brief This function provides accurate delay (in milliseconds) based
<> 144:ef7eb2e8f9f7 42 * on variable incremented.
<> 144:ef7eb2e8f9f7 43 * @note This function is the modified version of the __weak version contained in
<> 144:ef7eb2e8f9f7 44 * stm32f2xx_hal.c, using us_ticker
<> 144:ef7eb2e8f9f7 45 * @param Delay: specifies the delay time length, in milliseconds.
<> 144:ef7eb2e8f9f7 46 * @retval None
<> 144:ef7eb2e8f9f7 47 */
<> 144:ef7eb2e8f9f7 48 void HAL_Delay(__IO uint32_t Delay)
<> 144:ef7eb2e8f9f7 49 {
<> 144:ef7eb2e8f9f7 50 uint32_t start = us_ticker_read();
<> 144:ef7eb2e8f9f7 51 while ((us_ticker_read() - start) < (uint32_t)(Delay * 1000));
<> 144:ef7eb2e8f9f7 52 }
<> 144:ef7eb2e8f9f7 53