wince多媒体定时器无法设置断点求助
答案:2 悬赏:40
解决时间 2021-03-09 07:22
- 提问者网友：陪我到最后
- 2021-03-08 16:16
wince多媒体定时器无法设置断点求助
最佳答案
- 二级知识专家网友：一身浪痞味
- 2021-03-08 17:14
void delay_us(int n)
{
LARGE_INTEGER litmp;
LONGLONG QPart1,QPart2;
double dfMinus, dfFreq, dfTim;
if(QueryPerformanceFrequency(&litmp)==FALSE)
{
MessageBox(NULL,TEXT("Error：QueryPerformanceFrequency"),TEXT("Error"),MB_OK);
return;
}
dfFreq = (double)litmp.QuadPart;
QueryPerformanceCounter(&litmp);
QPart1 = litmp.QuadPart;
do
{
QueryPerformanceCounter(&litmp);
QPart2=litmp.QuadPart;
dfMinus=(double)(QPart2-QPart1);
dfTim=dfMinus/dfFreq;
}while(dfTim <0.000001*n);
}
//WINCE毫秒级延时函数
void delay_ms(DWORD tmp_time)
{
DWORD start;
DWORD time_i=0;
start=GetTickCount();
while(time_i<=tmp_time)
{
time_i=GetTickCount()-start;
}
}
{
LARGE_INTEGER litmp;
LONGLONG QPart1,QPart2;
double dfMinus, dfFreq, dfTim;
if(QueryPerformanceFrequency(&litmp)==FALSE)
{
MessageBox(NULL,TEXT("Error：QueryPerformanceFrequency"),TEXT("Error"),MB_OK);
return;
}
dfFreq = (double)litmp.QuadPart;
QueryPerformanceCounter(&litmp);
QPart1 = litmp.QuadPart;
do
{
QueryPerformanceCounter(&litmp);
QPart2=litmp.QuadPart;
dfMinus=(double)(QPart2-QPart1);
dfTim=dfMinus/dfFreq;
}while(dfTim <0.000001*n);
}
//WINCE毫秒级延时函数
void delay_ms(DWORD tmp_time)
{
DWORD start;
DWORD time_i=0;
start=GetTickCount();
while(time_i<=tmp_time)
{
time_i=GetTickCount()-start;
}
}
全部回答
- 1楼网友：白日梦制造商
- 2021-03-08 18:09
你说呢...
我要举报
如以上问答内容为低俗、色情、不良、暴力、侵权、涉及违法等信息，可以点下面链接进行举报！
大家都在看
推荐资讯