98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
/***************************************************************
|
||
*Copyright (C), 2017, Shanghai Eastsoft Microelectronics Co., Ltd
|
||
*文件名： lib_scs.c
|
||
*作 者： Liut
|
||
*版 本： V1.00
|
||
*日 期： 2017/07/14
|
||
*描 述： 内核模块库函数
|
||
*备 注： 适用于 ES8P508x芯片
|
||
本软件仅供学习和演示使用，对用户直接引用代码所带来的风险或后果不承担任何法律责任。
|
||
***************************************************************/
|
||
#include "lib_scs.h"
|
||
|
||
/***************************************************************
|
||
函数名：NVIC_Init
|
||
描 述：NVIC初始化配置
|
||
输入值：Channel：中断通道 、 Priority：中断优先级 、 Cmd：失能或使能
|
||
输出值：无
|
||
返回值：无
|
||
***************************************************************/
|
||
void NVIC_Init(NVIC_IRQChannel Channel,NVIC_IRQPriority Priority,TYPE_FUNCEN Cmd)
|
||
{
|
||
uint32_t tmppriority = 0x00;
|
||
|
||
if (Cmd != DISABLE)
|
||
{
|
||
/* Compute the Corresponding IRQ Priority */
|
||
tmppriority = NVIC->IP[Channel >> 0x02];
|
||
tmppriority &= (uint32_t)(~(((uint32_t)0xFF) << ((Channel & 0x03) * 8)));
|
||
tmppriority |= (uint32_t)((((uint32_t)Priority << 6) & 0xFF) << ((Channel & 0x03) * 8));
|
||
|
||
NVIC->IP[Channel >> 0x02] = tmppriority;
|
||
|
||
/* Enable the Selected IRQ Channels */
|
||
NVIC->ISER[0] = (uint32_t)0x01 << (Channel & (uint8_t)0x1F);
|
||
}
|
||
else
|
||
{
|
||
/* Disable the Selected IRQ Channels */
|
||
NVIC->ICER[0] = (uint32_t)0x01 << (Channel & (uint8_t)0x1F);
|
||
}
|
||
}
|
||
|
||
/***************************************************************
|
||
函数名：SCB_SystemLPConfig
|
||
描 述：配置系统休眠模式
|
||
输入值：LowPowerMode：休眠模式 、 NewState：使能、使能
|
||
输出值：无
|
||
返回值：无
|
||
***************************************************************/
|
||
void SCB_SystemLPConfig(SCB_TYPE_SCR LowPowerMode, TYPE_FUNCEN NewState)
|
||
{
|
||
if (NewState != DISABLE)
|
||
SCB->SCR |= LowPowerMode;
|
||
else
|
||
SCB->SCR &= (uint32_t)(~(uint32_t)LowPowerMode);
|
||
}
|
||
|
||
/***************************************************************
|
||
函数名：SCB_GetCpuID
|
||
描 述：获取CPUID
|
||
输入值：无
|
||
输出值：无
|
||
返回值：32位ID值
|
||
***************************************************************/
|
||
uint32_t SCB_GetCpuID(void)
|
||
{
|
||
return (SCB->CPUID);
|
||
}
|
||
|
||
/***************************************************************
|
||
函数名：SysTick_Init
|
||
描 述：SysTick初始化配置
|
||
输入值：初始化配置结构体地址
|
||
输出值：无
|
||
返回值：无
|
||
***************************************************************/
|
||
void SysTick_Init(SYSTICK_InitStruType* SysT_InitStruct)
|
||
{
|
||
uint32_t temp32 = 0;
|
||
|
||
SysTick->LOAD = SysT_InitStruct->SysTick_Value;
|
||
SysTick->VAL = (uint32_t)0;
|
||
|
||
if(SysT_InitStruct->SysTick_ClkSource != SysTick_ClkS_Base)
|
||
temp32 |= 0x00000004;
|
||
else
|
||
temp32 &= 0xFFFFFFFB;
|
||
|
||
if(SysT_InitStruct->SysTick_ITEnable != DISABLE)
|
||
temp32 |= 0x00000002;
|
||
else
|
||
temp32 &= 0xFFFFFFFD;
|
||
|
||
SysTick->CTRL = temp32;
|
||
}
|
||
|
||
/*************************END OF FILE**********************/
|