mbed library sources modified for open wear
Dependents: openwear-lifelogger-example
Fork of mbed-src by
targets/cmsis/TARGET_STM/TARGET_NUCLEO_F103RB/misc.c
- Committer:
- mbed_official
- Date:
- 2014-02-03
- Revision:
- 84:f54042cbc282
- Parent:
- 70:c1fbde68b492
File content as of revision 84:f54042cbc282:
/** ****************************************************************************** * @file misc.c * @author MCD Application Team * @version V3.6.1 * @date 05-March-2012 * @brief This file provides all the miscellaneous firmware functions (add-on * to CMSIS functions). ******************************************************************************* * Copyright (c) 2014, STMicroelectronics * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ******************************************************************************* */ /* Includes ------------------------------------------------------------------*/ #include "misc.h" /** @addtogroup STM32F10x_StdPeriph_Driver * @{ */ /** @defgroup MISC * @brief MISC driver modules * @{ */ /** @defgroup MISC_Private_TypesDefinitions * @{ */ /** * @} */ /** @defgroup MISC_Private_Defines * @{ */ #define AIRCR_VECTKEY_MASK ((uint32_t)0x05FA0000) /** * @} */ /** @defgroup MISC_Private_Macros * @{ */ /** * @} */ /** @defgroup MISC_Private_Variables * @{ */ /** * @} */ /** @defgroup MISC_Private_FunctionPrototypes * @{ */ /** * @} */ /** @defgroup MISC_Private_Functions * @{ */ /** * @brief Configures the priority grouping: pre-emption priority and subpriority. * @param NVIC_PriorityGroup: specifies the priority grouping bits length. * This parameter can be one of the following values: * @arg NVIC_PriorityGroup_0: 0 bits for pre-emption priority * 4 bits for subpriority * @arg NVIC_PriorityGroup_1: 1 bits for pre-emption priority * 3 bits for subpriority * @arg NVIC_PriorityGroup_2: 2 bits for pre-emption priority * 2 bits for subpriority * @arg NVIC_PriorityGroup_3: 3 bits for pre-emption priority * 1 bits for subpriority * @arg NVIC_PriorityGroup_4: 4 bits for pre-emption priority * 0 bits for subpriority * @retval None */ void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup) { /* Check the parameters */ assert_param(IS_NVIC_PRIORITY_GROUP(NVIC_PriorityGroup)); /* Set the PRIGROUP[10:8] bits according to NVIC_PriorityGroup value */ SCB->AIRCR = AIRCR_VECTKEY_MASK | NVIC_PriorityGroup; } /** * @brief Initializes the NVIC peripheral according to the specified * parameters in the NVIC_InitStruct. * @param NVIC_InitStruct: pointer to a NVIC_InitTypeDef structure that contains * the configuration information for the specified NVIC peripheral. * @retval None */ void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct) { uint32_t tmppriority = 0x00, tmppre = 0x00, tmpsub = 0x0F; /* Check the parameters */ assert_param(IS_FUNCTIONAL_STATE(NVIC_InitStruct->NVIC_IRQChannelCmd)); assert_param(IS_NVIC_PREEMPTION_PRIORITY(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority)); assert_param(IS_NVIC_SUB_PRIORITY(NVIC_InitStruct->NVIC_IRQChannelSubPriority)); if (NVIC_InitStruct->NVIC_IRQChannelCmd != DISABLE) { /* Compute the Corresponding IRQ Priority --------------------------------*/ tmppriority = (0x700 - ((SCB->AIRCR) & (uint32_t)0x700))>> 0x08; tmppre = (0x4 - tmppriority); tmpsub = tmpsub >> tmppriority; tmppriority = (uint32_t)NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority << tmppre; tmppriority |= NVIC_InitStruct->NVIC_IRQChannelSubPriority & tmpsub; tmppriority = tmppriority << 0x04; NVIC->IP[NVIC_InitStruct->NVIC_IRQChannel] = tmppriority; /* Enable the Selected IRQ Channels --------------------------------------*/ NVIC->ISER[NVIC_InitStruct->NVIC_IRQChannel >> 0x05] = (uint32_t)0x01 << (NVIC_InitStruct->NVIC_IRQChannel & (uint8_t)0x1F); } else { /* Disable the Selected IRQ Channels -------------------------------------*/ NVIC->ICER[NVIC_InitStruct->NVIC_IRQChannel >> 0x05] = (uint32_t)0x01 << (NVIC_InitStruct->NVIC_IRQChannel & (uint8_t)0x1F); } } /** * @brief Sets the vector table location and Offset. * @param NVIC_VectTab: specifies if the vector table is in RAM or FLASH memory. * This parameter can be one of the following values: * @arg NVIC_VectTab_RAM * @arg NVIC_VectTab_FLASH * @param Offset: Vector Table base offset field. This value must be a multiple * of 0x200. * @retval None */ void NVIC_SetVectorTable(uint32_t NVIC_VectTab, uint32_t Offset) { /* Check the parameters */ assert_param(IS_NVIC_VECTTAB(NVIC_VectTab)); assert_param(IS_NVIC_OFFSET(Offset)); SCB->VTOR = NVIC_VectTab | (Offset & (uint32_t)0x1FFFFF80); } /** * @brief Selects the condition for the system to enter low power mode. * @param LowPowerMode: Specifies the new mode for the system to enter low power mode. * This parameter can be one of the following values: * @arg NVIC_LP_SEVONPEND * @arg NVIC_LP_SLEEPDEEP * @arg NVIC_LP_SLEEPONEXIT * @param NewState: new state of LP condition. This parameter can be: ENABLE or DISABLE. * @retval None */ void NVIC_SystemLPConfig(uint8_t LowPowerMode, FunctionalState NewState) { /* Check the parameters */ assert_param(IS_NVIC_LP(LowPowerMode)); assert_param(IS_FUNCTIONAL_STATE(NewState)); if (NewState != DISABLE) { SCB->SCR |= LowPowerMode; } else { SCB->SCR &= (uint32_t)(~(uint32_t)LowPowerMode); } } /** * @brief Configures the SysTick clock source. * @param SysTick_CLKSource: specifies the SysTick clock source. * This parameter can be one of the following values: * @arg SysTick_CLKSource_HCLK_Div8: AHB clock divided by 8 selected as SysTick clock source. * @arg SysTick_CLKSource_HCLK: AHB clock selected as SysTick clock source. * @retval None */ void SysTick_CLKSourceConfig(uint32_t SysTick_CLKSource) { /* Check the parameters */ assert_param(IS_SYSTICK_CLK_SOURCE(SysTick_CLKSource)); if (SysTick_CLKSource == SysTick_CLKSource_HCLK) { SysTick->CTRL |= SysTick_CLKSource_HCLK; } else { SysTick->CTRL &= SysTick_CLKSource_HCLK_Div8; } } /** * @} */ /** * @} */ /** * @} */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/