锟斤拷锟斤拷曳锟揭伙拷锟斤拷锟斤拷猿晒锟斤拷锟斤拷锟斤拷锟組051锟斤拷片锟斤拷锟叫断伙拷锟窖ｏ拷睡锟竭ｏ拷锟斤拷锟斤拷示锟斤拷锟斤拷
#include "SmartM_M0.h"
#define __KEYISR EINT1_IRQHandler
#define DEBUGMSG printf
/****************************************
*锟斤拷锟斤拷锟斤拷锟斤拷:KeyIntInit
*锟斤拷 锟斤拷:锟斤拷
*锟斤拷 锟斤拷:锟斤拷
*锟斤拷 锟斤拷:锟斤拷锟斤拷锟叫断筹拷始锟斤拷
******************************************/
VOID KeyIntInit(VOID)
{
P3_MFP = (P3_MFP & (~P33_EINT1_MCLK)) | EINT1; //P3.2锟斤拷锟斤拷锟斤拷锟斤拷为锟解部锟叫讹拷
DBNCECON &= ~ICLK_ON;
DBNCECON &= DBCLK_HCLK;
DBNCECON |= SMP_256CK; //锟斤拷锟矫凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷选锟斤拷
P3_DBEN |= DBEN3; //使锟斤拷P3.2锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
P3_IMD &= IMD3_EDG;
P3_IEN |= IF_EN3; //锟斤拷锟斤拷锟解部锟叫讹拷1为锟铰斤拷锟截达拷锟斤拷
NVIC_ISER |= EXT_INT1;
}
/****************************************
*锟斤拷锟斤拷锟斤拷锟斤拷:McuSleepDeep
*锟斤拷 锟斤拷:锟斤拷
*锟斤拷 锟斤拷:锟斤拷
*锟斤拷 锟斤拷:MCU锟斤拷锟斤拷睡锟斤拷模式
******************************************/
VOID McuSleepDeep(VOID)
{
Delayms(20);
PROTECT_REG
(
/* 锟斤拷锟斤拷睡锟斤拷模式 */
SCR |= SLEEPDEEP;
/* 锟斤拷止锟斤拷锟斤拷模式锟铰伙拷锟窖碉拷锟叫讹拷锟叫讹拷使锟斤拷 */
PWRCON &= ~PD_WU_IE;
PWRCON &= ~PD_WAIT_CPU;
PWRCON |= PWR_DOWN_EN;
)
Delayms(20);
}
/****************************************
*锟斤拷锟斤拷锟斤拷锟斤拷:main
*锟斤拷 锟斤拷:锟斤拷
*锟斤拷 锟斤拷:锟斤拷
*锟斤拷 锟斤拷:锟斤拷锟斤拷锟斤拷锟斤拷
******************************************/
INT32 main(VOID)
{
PROTECT_REG //ISP锟斤拷锟斤拷时锟斤拷锟斤拷FLASH锟芥储锟斤拷
(
PWRCON |= XTL12M_EN; //默锟斤拷时锟斤拷源为锟解部锟斤拷锟斤拷
while((CLKSTATUS & XTL12M_STB) == 0); //锟饺达拷12MHz时锟斤拷锟饺讹拷
CLKSEL0 = (CLKSEL0 & (~HCLK)) | HCLK_12M; //锟斤拷锟斤拷锟解部锟斤拷锟斤拷为系统时锟斤拷
P2_PMD = 0x5555;
)
KeyIntInit(); //锟斤拷锟斤拷锟叫断筹拷始锟斤拷
while(1)
{
P2_DOUT = 0x00;
Delayms(500);
P2_DOUT = 0xFF;
Delayms(500);
McuSleepDeep(); //MCU锟斤拷锟斤拷睡锟斤拷模式
}
}
/****************************************
*锟斤拷锟斤拷锟斤拷锟斤拷:__KEYISR
*锟斤拷 锟斤拷:锟斤拷
*锟斤拷 锟斤拷:锟斤拷
*锟斤拷 锟斤拷:锟斤拷锟斤拷锟叫断凤拷锟斤拷锟斤拷
******************************************/
VOID __KEYISR(VOID)
{
Delayms(100);
P3_ISRC = P3_ISRC; //写1锟斤拷锟�
}