program1.c

嵌入式系统基础课件

#include "libepc.h"

int main(void)
	{
	ClearScreen(0x07) ;

	/* -------------------------------------------------------
	Insert your code here to measure processor clock speed.
	Use library functions Now_Plus() and CPU_Clock_Cycles()
	to count the number of CPU clock cycles that occur in
	two seconds, then divide by 2,000,000.

	Use PutUnsigned() to output your result. Provide suitable
	labelling with PutString(), and position the printout
	near the middle of the screen using SetCursorPosition().
	---------------------------------------------------------*/
	
	return 0 ;
	}