软件方法测试RTX时钟

// // TEST3.C // #include "test3.h" void _cdecl wmain( int argc, wchar_t **argv, wchar_t **envp ) { LARGE_INTEGER Time1,Time2; // for periodic timer code int i = 0 ; LARGE_INTEGER liPeriod; // timer period LARGE_INTEGER Time ; // the parameter used in the TimerHandler() HANDLE hTimer; // timer handle // RTX periodic timer code: // TO DO: Set default timer period to your desired time. // The period needs to be an even multiple of the HAL // period found in the control panel. // This example uses a period of 1 milisecond. liPeriod.QuadPart = 9000; // Create a periodic timer if (! (hTimer = RtCreateTimer( NULL, // security 0, // stack size - 0 uses default TimerHandler, // timer handler &Time, // NULL context (argument to handler) RT_PRIORITY_MAX, // priority CLOCK_3) )) // RTX HAL timer { // TO DO: exception code here RtWprintf(L"RtCreateTimer error = %d\n",GetLastError()); ExitProcess(1); } if (! RtSetTimerRelative( hTimer, &liPeriod, &liPeriod) ) { // TO DO: exception code here RtWprintf(L"RtSetTimerRelative error = %d\n",GetLastError()); ExitProcess(1); } // // TO DO: your program code here // RtGetClockTime(CLOCK_3,pTime); Sleep(1000); RtDeleteTimer( hTimer ); for (i = 2 ; i<=900 ; i++) { RtWprintf(L"%d\n",buffer[i].QuadPart - buffer[i-1].QuadPart); } ExitProcess(0); }