功耗太高了，沒有外圍設(shè)備4Ma,耗電太快了，得加低功耗功能，代碼很簡(jiǎn)單，就是main里進(jìn)入待機(jī)（睡眠功耗也高），中斷觸發(fā)一次，main里繼續(xù)待機(jī)，但是 中斷只觸了一次，一直在串口顯示一直在中斷，好奇怪，下面是在例程里改的
/**********************************?(C)?COPYRIGHT?*******************************
?*?File?Name??????????:?main.c
?*?Author?????????????:?WCH
?*?Version????????????:?V1.0.0
?*?Date???????????????:?2023/12/25
?*?Description????????:?Main?program?body.
?*********************************************************************************
?*?Copyright?(c)?2021?Nanjing?Qinheng?Microelectronics?Co.,?Ltd.
?*?Attention:?This?software?(modified?or?not)?and?binary?are?used?for
?*?microcontroller?manufactured?by?Nanjing?Qinheng?Microelectronics.
?*******************************************************************************/
/*
?*@Note
?*low?power,?sleep?mode?routine:
?*EXTI_Line0(PD0)
?*This?routine?demonstrates?that?WFI?enters?the?sleep?mode,?and?the?PD0?pin?input
?*low?level?triggers?the?external?interrupt?EXTI_Line0?to?exit?the?sleep?mode,
?*Program?execution?continues?after?wake-up.
?*
?*/
#include?"debug.h"
/*?Global?define?*/
/*?Global?Variable?*/
/*********************************************************************
?*?@fn??????EXTI0_INT_INIT
?*
?*?@brief???Initializes?EXTI0?collection.
?*
?*?@return??none
?*/
void?EXTI0_INT_INIT(void)
{
????GPIO_InitTypeDef?GPIO_InitStructure?=?{0};
????EXTI_InitTypeDef?EXTI_InitStructure?=?{0};
????NVIC_InitTypeDef?NVIC_InitStructure?=?{0};
????RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO?|?RCC_APB2Periph_GPIOC,?ENABLE);
????GPIO_InitStructure.GPIO_Pin?=?GPIO_Pin_1;
????GPIO_InitStructure.GPIO_Mode?=?GPIO_Mode_IPU;
????GPIO_InitStructure.GPIO_Speed?=?GPIO_Speed_50MHz;
????GPIO_Init(GPIOC,?&GPIO_InitStructure);
????/*?GPIOA.0?---->?EXTI_Line0?*/
????GPIO_EXTILineConfig(GPIO_PortSourceGPIOC,?GPIO_PinSource1);
????EXTI_InitStructure.EXTI_Line?=?EXTI_Line1;
????EXTI_InitStructure.EXTI_Mode?=?EXTI_Mode_Interrupt;
????EXTI_InitStructure.EXTI_Trigger?=?EXTI_Trigger_Rising_Falling;
????EXTI_InitStructure.EXTI_LineCmd?=?ENABLE;
????EXTI_Init(&EXTI_InitStructure);
????NVIC_InitStructure.NVIC_IRQChannel?=?EXTI7_0_IRQn;
????NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority?=?0;
????NVIC_InitStructure.NVIC_IRQChannelSubPriority?=?1;
????NVIC_InitStructure.NVIC_IRQChannelCmd?=?ENABLE;
????NVIC_Init(&NVIC_InitStructure);
}
/*********************************************************************
?*?@fn??????main
?*
?*?@brief???Main?program.
?*
?*?@return??none
?*/
int?main(void)
{
????NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
????SystemCoreClockUpdate();
????Delay_Init();
????Delay_Ms(1000);
????Delay_Ms(1000);
#if?(SDI_PRINT?==?SDI_PR_OPEN)
????SDI_Printf_Enable();
#else
????USART_Printf_Init(115200);
#endif
????printf("SystemClk:%d\r\n",?SystemCoreClock);
????printf(?"ChipID:%08x\r\n",?DBGMCU_GetCHIPID()?);
????printf("Sleep?Mode?Test\r\n");
????EXTI0_INT_INIT();
????printf("\r\n?**********?\r\n");
????__WFE();
????printf("\r\n?##########?\r\n");
????while(1)
????{
????????Delay_Ms(1000);
????????printf("Run?in?PWR_STANDBYEntry_WFI??main\r\n");
????????PWR_EnterSTANDBYMode(PWR_STANDBYEntry_WFE);
????}
}
void?EXTI7_0_IRQHandler(void)?__attribute__((interrupt("WCH-Interrupt-fast")));
/*********************************************************************
?*?@fn??????EXTI0_IRQHandler
?*
?*?@brief???This?function?handles?EXTI0?Handler.
?*
?*?@return??none
?*/
void?EXTI7_0_IRQHandler(void)
{
????if(EXTI_GetITStatus(EXTI_Line1)!=RESET)
????{
????????printf("EXTI7_0_IRQHandler?EXTI0?Wake_up\r\n");
????????EXTI_ClearITPendingBit(EXTI_Line0);?????/*?Clear?Flag?*/
//????????Delay_Ms(2000);
//????????PWR_EnterSTANDBYMode(PWR_STANDBYEntry_WFI);
//????????__WFE();
????}
}
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