MSP430系统实时时钟RTC学习日志

//

// 读取RTC时钟 //

// //

//

unsigned long GetTime(void)

{

int hour,minute,second ;

unsigned long time ;

for(;RTCCTL01&RTCRDY;) _NOP() ; // 等待RTC有效

for(;!(RTCCTL01&RTCRDY);) _NOP() ;

hour = GetRTCHOUR() ;

minute = GetRTCMIN() ;

second = GetRTCSEC() ;

time = (unsigned long)hour*1000000

+(unsigned long)minute*1000

+(unsigned long)second ;

return time ;

}