main1.c

来自「ucosii移植到44b0的代码」· C语言 代码 · 共 76 行

#include "..\inc\44b.h"
#include "..\inc\44blib.h"
#include "..\inc\option.h"
#include "..\inc\def.h"
#include "..\source\includes.h"


#define printf Uart_Printf
extern void OSSchedLock(void);

//**********************************************************
// THE MAIN FUNCTION BODY
//**********************************************************
#define	N_TASKS			5					// Number of tasks
#define	TASK_STK_SIZE	1024				// Stack size, in sizeof OS_STK, or int 32bit

OS_STK	TaskStk[N_TASKS][TASK_STK_SIZE];	// Tasks stacks

void Task1(void *);
void Task2(void *);

int Main(int argc, char **argv)
{       	int task_1=0,task_2=1;
 rSYSCFG=SYSCFG_8KB;
 #if (PLLON==1)
    ChangePllValue(PLL_M,PLL_P,PLL_S);
  #endif

	sys_init();
         
	Uart_Printf("\n ### Main Starts !\n");

	OSInit();
	OSTaskCreate(Task1, &task_1, &TaskStk[0][TASK_STK_SIZE-1], 11);
	OSTaskCreate(Task2, &task_2, &TaskStk[1][TASK_STK_SIZE-1], 22);
	OSStart();

	return 0;
}

void Task1(void * pParam)
{
	Uart_Printf(" @@@ Task1 will starts time ticker !\n");
            tick_init(7);


	// enable Ticker, 16 ticks per second
		// why start tick here? see uCOS-II Doc Chapter 8 :
	
	/*"You MUST enable ticker interrupts AFTER multitasking has started, i.e. after 
	calling OSStart().  In other words, you should initialize and tick interrupts in
	the first task that executes following a call to OSStart().  A common mistake is
	to enable ticker interrupts between calling OSInit() and OSStart() ..."
	*/
while(1)	
	{
		OSSchedLock();
		
		printf( "@@@  go to sleep 1qqqqq11 time-ticks\n" );
		printf( "@@@\n" );
		OSSchedUnlock();
		OSTimeDly(12);
		

}}

void Task2(void * pParam)
{           while(1)	
	{    		OSSchedLock();
		
		printf( "@@@  go to sleewwwwwwwww22time-ticks\n" );
		printf( "@@@\n" );
		OSSchedUnlock();
		OSTimeDly(12);}}