vxworks获取目标机系统时间

#include "vxWorks.h"
#include <taskLib.h>
#include <stdio.h>
#include <stdlib.h>
#include <sysLib.h>
#include <time.h>
time_t GetBIOSTime(void)
{
struct tm ahora;
unsigned char cHour, cMin, cSec;
unsigned char cDay, cMonth, cY ear;
sysOutByte( 0x70, 0x00 ); /*second*/
cSec = sysInByte( 0x71 );
ahora.tm_sec = ( cSec & 0x0F ) + 10 * ( ( cSec & 0xF0 ) >> 4 );
printf( "tm_sec = %d\n", ahora.tm_sec );
sysOutByte( 0x70, 0x02 );/*minut*/
cMin = sysInByte( 0x71 );
ahora.tm_min = ( cMin & 0x0F ) + 10 * ( ( cMin & 0xF0 ) >> 4 );
printf( "tm_min = %d\n", ahora.tm_min );
sysOutByte( 0x70, 0x04 );/*hour*/
cHour = sysInByte( 0x71 );
ahora.tm_hour = ( cHour & 0x0F ) + 10 * ( ( cHour & 0xF0 ) >> 4 );
printf( "tm_hour = %d\n", ahora.tm_hour );
sysOutByte( 0x70, 0x07 );/*day*/
cDay = sysInByte( 0x71 );
ahora.tm_mday = ( cDay & 0x0F ) + 10 * ( ( cDay & 0xF0 ) >> 4 );
printf( "tm_mday = %d\n", ahora.tm_mday );
sysOutByte( 0x70, 0x08 );/*month*/
cMonth = sysInByte( 0x71 );
ahora.tm_mon = ( cMonth & 0x0F ) + 10 * ( ( cMonth & 0xF0 ) >>4 );
printf( "tm_mon = %d\n", ahora.tm_mon );
sysOutByte( 0x70, 0x09 );/*year*/
cY ear = sysInByte( 0x71 );
ahora.tm_year = ( cY ear & 0x0F ) + 10 * ( ( cY ear & 0xF0 ) >> 4 );
ahora.tm_year = 2000 + ahora.tm_year;
printf( "tm_year = %d\n", ahora.tm_year );
printf("Current Time is:%d.%d.%d %d:%d:%d\n",ahora.tm_year,ahora.tm_mon,ahora.tm_mday,ahora.tm_hour,ahora.t m_min,ahora.tm_sec );
return mktime( &ahora );
}
/***************************************************************************** //
// 函数名: SetRTCTime()
// 函数功能:设置当前时间为BIOS(实时时钟)时钟时间
// 返回值:
// 正确为0,错误为-1
******************************************************************************/
int SetRTCTime( void )
{
int res;
struct timespec ts;
_sec = GetBIOSTime();
_nsec = 0;
res = clock_settime( CLOCK_REALTIME, &ts );
return res;
}
void ctime_test(void)
{
struct tm newtime;
time_t cur;
SetRTCTime();
cur=time((time_t*)NULL);
time(&cur);
newtime=*localtime(&cur);
printf("%s\n",asctime(&newtime));
printf("%s\n",ctime(&cur));
printf("current data:%d-%d-%d\n",newtime.tm_mon,newtime.tm_mday,newtime.tm_year);
printf("current data:%02d-%02d\n",newtime.tm_hour,newtime.tm_min);
}。