/**
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******************************************************************************
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* @file xl_uart.c
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* @author Kirk
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* @version 4.5.2
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* @date Fri Mar 26 17:29:12 2021
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* @brief This file provide function about NVIC firmware progreamme
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******************************************************************************
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* @attention
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*
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* 2019 by Chipways Communications,Inc. All Rights Reserved.
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* This software is supplied under the terms of a license
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* agreement or non-disclosure agreement with Chipways.
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* Passing on and copying of this document,and communication
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* of its contents is not permitted without prior written
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* authorization.
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*
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* <h2><center>© COPYRIGHT 2019 Chipways</center></h2>
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******************************************************************************
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*/
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#if defined(__cplusplus)
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extern "C" {
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#endif /* __cplusplus */
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/* Includes ---------------------------------------------------------------*/
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#include "xl_nvic.h"
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/** @addtogroup XL6600_StdPeriph_Driver
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* @{
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*/
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/** @defgroup NVIC NVIC Module
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* @brief NVIC Driver Modules Library
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* @{
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*/
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/** @defgroup NVIC_Private_Functions
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* @{
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*/
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/**
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* @brief ÅäÖÃÓÅÏȼ¶·Ö×é:ÏÈÕ¼ÓÅÏȼ¶ºÍ×ÓÓÅÏȼ¶.
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* @param NVIC_PriorityGroup: Ö¸¶¨ÓÅÏȼ¶·Ö×é볤¶È.
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* Õâ¸ö²ÎÊý¿ÉÒÔΪÒÔÏÂÖµ:
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* @arg NVIC_PriorityGroup_0: ÇÀÕ¼ÓÅÏȼ¶0λ
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* ×ÓÓÅÏȼ¶2λ
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* @arg NVIC_PriorityGroup_1: ÏÈÕ¼ÓÅÏȼ¶1λ
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* ÇÀÓÅÏȼ¶1λ
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* @arg NVIC_PriorityGroup_2: ÏÈÕ¼ÓÅÏȼ¶2λ
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* ÇÀÓÅÏȼ¶0λ
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* @retval None
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*/
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void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup)
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{
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/* Set the PRIGROUP[10:8] bits according to NVIC_PriorityGroup value */
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SCB->AIRCR = AIRCR_VECTKEY_MASK | NVIC_PriorityGroup;
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}
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/**
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* @brief ¸ù¾ÝÔÚ NVIC_InitStructÖÐÖ¸¶¨²ÎÊý³õʼ»¯NVICÍâÉè.
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* @param NVIC_InitStruct: Ö¸Ïò°üº¬Ö¸¶¨NVICÍâÉèÅäÖÃÐÅÏ¢µÄNVIC_InitTypeDef½á¹¹.
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* @retval None
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*/
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void NVIC_Init(const NVIC_InitTypeDef* NVIC_InitStruct)
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{
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uint32_t tmppriority = 0x00, tmppre = 0x00, tmpsub = 0x0F;
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if (NVIC_InitStruct->NVIC_IRQChannelCmd != DISABLE)
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{
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/* Compute the Corresponding IRQ Priority --------------------------------*/
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tmppriority = ((uint32_t)0x700 - ((SCB->AIRCR) & (uint32_t)0x700))>> (uint8_t)0x08;
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tmppre = ((uint32_t)0x4 - tmppriority);
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tmpsub = tmpsub >> tmppriority;
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tmppriority = (uint32_t)NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority << tmppre;
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tmppriority |= NVIC_InitStruct->NVIC_IRQChannelSubPriority & tmpsub;
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tmppriority = tmppriority << 0x04;
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NVIC->IP[NVIC_InitStruct->NVIC_IRQChannel] = (uint8_t)tmppriority;
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/* Enable the Selected IRQ Channels --------------------------------------*/
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NVIC->ISER[NVIC_InitStruct->NVIC_IRQChannel >> 0x05] =
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(uint32_t)0x01 << (NVIC_InitStruct->NVIC_IRQChannel & (uint8_t)0x1F);
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}
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else
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{
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/* Disable the Selected IRQ Channels -------------------------------------*/
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NVIC->ICER[NVIC_InitStruct->NVIC_IRQChannel >> 0x05] =
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(uint32_t)0x01 << (NVIC_InitStruct->NVIC_IRQChannel & (uint8_t)0x1F);
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}
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}
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/**
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* @brief ÉèÖÃʸÁ¿±íµÄλÖúÍÆ«ÒÆ.
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* @param NVIC_VectTab: Ö¸¶¨Ê¸Á¿±íÊÇ·ñÔÚROM»òÉÁ´æÖÐ.
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* Õâ¸ö²ÎÊý¿ÉÒÔΪÒÔÏÂÖµ:
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* @arg NVIC_VectTab_RAM
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* @arg NVIC_VectTab_FLASH
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* @param Offset: ʸÁ¿±í»ùÓÚÆ«ÒÆ×Ö¶Î,¸ÃÖµ±ØÐëÊÇ 0x200µÄ±¶Êý.
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* @retval None
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*/
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void NVIC_SetVectorTable(uint32_t NVIC_VectTab, uint32_t Offset)
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{
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SCB->VTOR = NVIC_VectTab | (Offset & (uint32_t)0x1FFFFF80);
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}
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/**
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* @brief Ñ¡Ôñϵͳ½øÈëµÍ¹¦ÂÊģʽµÄÌõ¼þ.
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* @param LowPowerMode: Ϊϵͳָ¶¨½øÈëµÍ¹¦ÂÊģʽµÄеÄģʽ.
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* Õâ¸ö²ÎÊý¿ÉÒÔΪÒÔÏÂÖµ:
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* @arg NVIC_LP_SEVONPEND
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* @arg NVIC_LP_SLEEPDEEP
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* @arg NVIC_LP_SLEEPONEXIT
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* @param NewState: µÍѹ״̬µÄÐÂ״̬.
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* Õâ¸ö²ÎÊý¿ÉÒÔΪÒÔÏÂÖµ:
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* @arg ENABLE
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* @arg DISABLE
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* @retval None
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*/
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void NVIC_SystemLPConfig(uint8_t LowPowerMode, FunctionalState NewState)
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{
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if (NewState != DISABLE)
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{
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SCB->SCR |= LowPowerMode;
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}
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else
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{
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SCB->SCR &= (uint32_t)(~(uint32_t)LowPowerMode);
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}
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}
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/**
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* @brief ÅäÖÃSysTickʱÖÓÔ´.
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* @param SysTick_CLKSource: Ö¸¶¨SysTickʱÖÓÔ´.
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* Õâ¸ö²ÎÊý¿ÉÒÔΪÒÔÏÂÖµ:
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* @arg SysTick_CLKSource_HCLK_Div8: Ñ¡ÔñAHBʱÖÓ³ýÒÔ8×÷ΪϵͳʱÖÓÔ´.
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* @arg SysTick_CLKSource_HCLK: Ñ¡ÔñAHBʱÖÓ×÷ΪϵͳʱÖÓÔ´.
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* @retval None
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*/
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void SysTick_CLKSourceConfig(uint32_t SysTick_CLKSource)
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{
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if (SysTick_CLKSource == SysTick_CLKSource_HCLK)
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{
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SysTick->CTRL |= (uint32_t)SysTick_CLKSource_HCLK;
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}
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else
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{
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SysTick->CTRL &= (uint32_t)SysTick_CLKSource_HCLK_Div8;
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}
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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