程序运行时间控制
ugi君 2018-12-06 10:42:15 想请教一下各位,我用GetTickCount函数来写了一段控制程序运行时间的部分,但是执行结果及其不理想,输出结果是那种阶梯状的,不是我想要的正弦波。
char buffer[10];
char ID = 1;
int qiangdu = 1200;
char pole = 0;
DWORD GVS_time;
float time = 5*1000;
float t = 0;
int ii = 0;
int width = 5;
int i = 0;
GVS_time = GetTickCount();
while (GetTickCount() - GVS_time<time)
{
t = (GetTickCount() - GVS_time)/1000;
ii = qiangdu*sin(PI *t/ width);
printf("%d|||",ii);
ID = 1;
buffer[0] = 'G';
buffer[1] = (ID << 5) + (pole << 4) + (ii >> 8);
buffer[2] = ii;
hCom1->transmit((BYTE*)buffer, 3);
}