main.c

提高μCOS-II在ARM上执行效率的几种方法》相应代码

#include	"..\ucosii\ucos_ii.h"
#include	"..\Architecture\ARM_ADS\2410addr.h"
#include	"..\Architecture\ARM_ADS\LEDTest.h"
#include 	"..\Architecture\ARM_ADS\Uart.h"
#include 	"..\Architecture\ARM_ADS\arch_arm.h"

OS_STK Task1Stack[STACKSIZE];
OS_STK Task2Stack[STACKSIZE];

OS_EVENT  * mysem;
unsigned char err;

void Task1(void * ppdata)
{
	unsigned t1,t2;
	ppdata = ppdata;

	TimerStart();
	
	mysem = OSSemCreate(0);
	while(1)
	{
		Led_Display(0x0);
		OSSemPend(mysem, 0, &err);
		Uart_SendUWord32((unsigned)0xFFFF-(unsigned)rTCNTO2);
		Uart_SendString(",\n ldr instruction time:");
		t1 = rTCNTO2;
		t2 = rTCNTO2;
		Uart_SendUWord32(t1-t2);		
		Uart_SendString(",\n");
		rTCON  = (rTCON  & ~(0xF000))|0x8000;

	}
}

void Task2(void * ppdata)
{
	ppdata = ppdata;
	while(1)
	{
		Led_Display(0x1);
		OSTimeDlyHMSM(0, 0, 1, 0);
	}
}
void Main(void)
{
	SysInit();

    OSInit();
    OSTaskCreate(Task1, (void *)0, &Task1Stack[0],2);
	OSTaskCreate(Task2, (void *)0, &Task2Stack[0],3);
		
    OSStart();
}