yy.c

c8051f040单片机上的UCOS 移植代码

#include <includes.h>
#include <serial.h>
#include "stdio.h"
void TaskStartyya(void *yydata) reentrant;
void TaskStartyyb(void *yydata) reentrant;
void TaskStartyyc(void *yydata) reentrant;
void TaskStartyyd(void *yydata) reentrant;
void SYSCLK_Init (void)		reentrant ;
void PORT_Init (void)		reentrant  ;
OS_STK  TaskStartStkyya[MaxStkSize];//注意：我在ASM文件中设置?STACK空间为40H即64。
OS_STK TaskStartStkyyb[MaxStkSize];	//任务堆栈 ；静态堆栈
OS_STK TaskStartStkyyc[MaxStkSize];
 OS_STK TaskStartStkyyd[MaxStkSize];
void main(void)
{
    OSInit();
    SYSCLK_Init();
	PORT_Init();
    InitSerial();
    InitSerialBuffer();
	InitTimer0();
       OSTaskCreate(TaskStartyya, (void *)0, &TaskStartStkyya[0],1);
	    OSTaskCreate(TaskStartyyb, (void *)0, &TaskStartStkyyb[0],3);
	    OSTaskCreate(TaskStartyyc, (void *)0, &TaskStartStkyyc[0],4);
	    OSTaskCreate(TaskStartyyd, (void *)0, &TaskStartStkyyd[0],5);
    OSStart();
}


void TaskStartyya(void *yydata) reentrant
{
  char SFRPAGE_SAVE = SFRPAGE;        // Save Current SFR page
    yydata=yydata;
	InitTimer0();	 //用户必须在多任务系统启动以后再开启时钟节拍器
    PrintStr ("\n\t\t*******************************\n");
    PrintStr ("\t\t*     Hello! The world.       *\n");
    PrintStr("\t\t*******************************\n\n\n");
    for(;;){
    PrintStr ("\taaaaAAAAAA111111 is active.\n");
	SFRPAGE = UART1_PAGE;
    printf ("%lu\n", OSTime);
    SFRPAGE = SFRPAGE_SAVE;             // Restore SFR page
       OSTimeDly(2);   // 20hz   调用?C/OS-Ⅱ的服务例程之一:任务延时函数 OSTimeDly()
    }    
}

 void TaskStartyyb(void *yydata) reentrant
{
  char SFRPAGE_SAVE = SFRPAGE;        // Save Current SFR page
    yydata=yydata;
    for(;;){
	PrintStr ("\tbbbbBBBBBB111111 is active.\n");
    PrintStr ("\tbbbbBBBBBB222222 is active.\n");
	PrintStr ("\tbbbbBBBBBB333333 is active.\n");
	PrintStr ("\tbbbbBBBBBB444444 is active.\n");
	PrintStr ("\tbbbbBBBBBB555555 is active.\n");
       OSTimeDly(5);   //  10hz  调用?C/OS-Ⅱ的服务例程之一:任务延时函数 OSTimeDly()
    }    
}


 void TaskStartyyc(void *yydata) reentrant
{
  char SFRPAGE_SAVE = SFRPAGE;        // Save Current SFR page
    yydata=yydata;
    for(;;){
	     PrintStr ("\tcccCCCCCC6666666 is active.\n");
         OSTimeDly(10);   //  5hz  调用?C/OS-Ⅱ的服务例程之一:任务延时函数 OSTimeDly()
    }    
}
 void TaskStartyyd(void *yydata) reentrant
{
  char SFRPAGE_SAVE = SFRPAGE;        // Save Current SFR page
    yydata=yydata;
    for(;;){
		PrintStr ("\tddddddddd3333333 is active.\n");

       OSTimeDly(25);   //  2hz  调用?C/OS-Ⅱ的服务例程之一:任务延时函数 OSTimeDly()
    }    
}
void SYSCLK_Init (void)		reentrant
{
    char SFRPAGE_SAVE = SFRPAGE;        // Save Current SFR page
/*
   SFRPAGE = CONFIG_PAGE;              // set SFR page

   OSCICN = 0x83;                      // set internal oscillator to run
                                       // at its maximum frequency

   CLKSEL = 0x00;                      // Select the internal osc. as
                                       // the SYSCLK source
  */

    int i = 0;

   WDTCN = 0xde;                       // disable watchdog timer
   WDTCN = 0xad;

    SFRPAGE   = CONFIG_PAGE;
    OSCXCN    = 0x67;
    for (i = 0; i < 3000; i++);  // Wait 1ms for initialization
    while ((OSCXCN & 0x80) == 0);
    CLKSEL    = 0x01;
    OSCICN    = 0x83;

   SFRPAGE = SFRPAGE_SAVE;             // Restore SFR page
}

//-----------------------------------------------------------------------------
// PORT_Init
//-----------------------------------------------------------------------------
//
// This routine configures the crossbar and GPIO ports.
//
void PORT_Init (void)		   reentrant
{
   char SFRPAGE_SAVE = SFRPAGE;        // Save Current SFR page

   SFRPAGE = CONFIG_PAGE;              // set SFR page

   XBR0     = 0x00;
   XBR1     = 0x00;
   XBR2     = 0x44;                    // Enable crossbar and weak pull-up
                                       // Enable UART1

   P0MDOUT |= 0x01;                    // Set TX1 pin to push-pull
   P1MDOUT |= 0x40;                    // Set P1.6(LED) to push-pull

   SFRPAGE = SFRPAGE_SAVE;             // Restore SFR page
}