2019-03-29 17:04:48 +08:00

164 lines
4.8 KiB
C

/**
******************************************************************************
* @file HAL_misc.c
* @author AE Team
* @version V2.0.0
* @date 22/08/2017
* @brief This file provides all the miscellaneous firmware functions (add-on
* to CMSIS functions).
******************************************************************************
* @attention
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, MindMotion SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>&copy; COPYRIGHT 2017 MindMotion</center></h2>
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "HAL_misc.h"
/** @addtogroup StdPeriph_Driver
* @{
*/
/** @defgroup MISC
* @brief MISC driver modules
* @{
*/
/** @defgroup MISC_Private_TypesDefinitions
* @{
*/
/**
* @}
*/
/** @defgroup MISC_Private_Defines
* @{
*/
#define AIRCR_VECTKEY_MASK ((uint32_t)0x05FA0000)
/**
* @}
*/
/**
* @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;
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NVIC_InitStruct->NVIC_IRQChannelCmd));
assert_param(IS_NVIC_PRIORITY(NVIC_InitStruct->NVIC_IRQChannelPriority));
if (NVIC_InitStruct->NVIC_IRQChannelCmd != DISABLE)
{
/* Compute the Corresponding IRQ Priority --------------------------------*/
tmppriority = NVIC->IP[NVIC_InitStruct->NVIC_IRQChannel >> 0x02];
tmppriority &= (uint32_t)(~(((uint32_t)0xFF) << ((NVIC_InitStruct->NVIC_IRQChannel & 0x03) * 8)));
tmppriority |= (uint32_t)((((uint32_t)NVIC_InitStruct->NVIC_IRQChannelPriority << 6) & 0xFF) << ((NVIC_InitStruct->NVIC_IRQChannel & 0x03) * 8));
NVIC->IP[NVIC_InitStruct->NVIC_IRQChannel >> 0x02] = tmppriority;
/* Enable the Selected IRQ Channels --------------------------------------*/
NVIC->ISER[0] = (uint32_t)0x01 << (NVIC_InitStruct->NVIC_IRQChannel & (uint8_t)0x1F);
}
else
{
/* Disable the Selected IRQ Channels -------------------------------------*/
NVIC->ICER[0] = (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)
{
// 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 2017 MindMotion ----------------------*/