main.c

来自「ucos-II 在英飞凌xc164的移植」· C语言 代码 · 共 175 行

#include "includes.h"

/*
*********************************************************************************************************
	CPU Configuration 
*********************************************************************************************************
*/
void MAIN_vInit(void)
{
  // USER CODE BEGIN (Init,2)

  // USER CODE END

  ///  -----------------------------------------------------------------------
  ///  Configuration of the System Clock:
  ///  -----------------------------------------------------------------------
  ///  - VCO clock used, input clock is connected
  ///  - input frequency is 12 MHz
  ///  - VCO output frequency 100 .. 150 MHz
  ///  - system clock is 30 MHz

	MAIN_vUnlockProtecReg();        // unlock write security
	PLLCON         =  0x7814;       // load PLL control register
	//OSTickISRInit();				  // RTC initiates as timertick;
	PSW_IEN        =  1;          

} 

/*
*********************************************************************************************************
	@Function      void MAIN_vUnlockProtecReg(void) 

---------------------------------------------------------------------------------------------------------
    @Description   This function makes it possible to write one protected 
                   register. After calling of this function and write on the 
                   protected register is the security level set to low 
                   protected mode.


*********************************************************************************************************
*/


void MAIN_vUnlockProtecReg(void)
{
	INT8U ubPASSWORD;

	if((SCUSLS & 0x1800) == 0x0800)      // if low protected mode
  {

	ubPASSWORD = SCUSLS & 0x00FF;
    ubPASSWORD = ~ubPASSWORD;
    SCUSLC = 0x8E00 | ubPASSWORD;      // command 4

  }  // end if low protected mode

  if((SCUSLS & 0x1800) == 0x1800)      // if write protected mode
  {
    SCUSLC = 0xAAAA;                   // command 0
    SCUSLC = 0x5554;                   // command 1

    ubPASSWORD = SCUSLS & 0x00FF;
    ubPASSWORD = ~ubPASSWORD;

    SCUSLC = 0x9600 | ubPASSWORD;      // command 2
    SCUSLC = 0x0800;                   // command 3; new PASSWOR is 0x00

    ubPASSWORD = SCUSLS & 0x00FF;
    ubPASSWORD = ~ubPASSWORD;
    SCUSLC = 0x8E00 | ubPASSWORD;      // command 4

  }  

} 

/*
*********************************************************************************************************
	Task's parameters declaration 
*********************************************************************************************************
*/

#define  TimeTick1Prio 11					/* define task's priority  */
#define  TimeTick2Prio 12

#define  TimeTick1Stk_Num 100				/*define task's stack      */
#define  TimeTick2Stk_Num 100

OS_STK  TimeTick1Stk[TimeTick1Stk_Num];
OS_STK  TimeTick2Stk[TimeTick2Stk_Num];

/*
*********************************************************************************************************
	@Function     void TimeTick1(void *pdata) 
----------------------------------------------------------------------------------------------------------
	@Description  使P1L＝0x0F，并通过OSTimeDly（1）来实现与TimeTick2的切换  			   
           
*********************************************************************************************************
*/


void TimeTick1(void *pdata)
{
	INT32U i;
	pdata = pdata;
	while (1)
   {
        P1L = 0x0F; 						/* cotrol P1L0 */
		for(i=0; i<3000000; i++);           /* delay time  */
        OSTimeDly(1);                     	/* Set ticks = 40 , excute OSSched; */
   }
} 

/*
*********************************************************************************************************

	@Function     void TimeTick1(void *pdata) 
---------------------------------------------------------------------------------------------------------
	@Description  使P1L＝0xF0，一个时钟节拍后，自动切换到TimeTick1 				   
																													           
*********************************************************************************************************
*/

void TimeTick2(void *pdata)
{
  
	pdata = pdata;

	while(1)
	{
		P1L = 0xF0;
	}
}

/*
*********************************************************************************************************
	@Function	void Port1_init(void)
---------------------------------------------------------------------------------------------------------	  
	@Description	P1口的初始化，输出方向

*********************************************************************************************************
*/

void Port1_init(void)
{
	DP1L = 0x0000;						 //Port direction : output ;
	DP1H = 0x0000;
	P1L = 0x00AA;
	P1H = 0x00AA;
 }


/*
*********************************************************************************************************
     @Function     void main(void) 
---------------------------------------------------------------------------------------------------------
	 @Description   主函数 
                              
*********************************************************************************************************
*/
 void main(void)
{

	
	MAIN_vInit();
	Port1_init();
 
	OSInit();																				/* initiate Ucos-II */
	OSTaskCreate(TimeTick1, (void*)0, &TimeTick1Stk[TimeTick1Stk_Num-1], TimeTick1Prio);	/* Create TimeTick1 */
	OSTaskCreate(TimeTick2, (void*)0, &TimeTick2Stk[TimeTick2Stk_Num-1], TimeTick2Prio);	/* Create TimeTick2 */		 
	OSStart();																				/* Start Ucso-II    */
}