ucos2下多任务应用程序的例子（基于TMS320LF2407平台，ucos-V2.85）

昨天移植完了ucos-v2.85到2407平台上，现在写了一个两个任务的应用程序，希望对和我一样的初学者有帮助。代码如下：

 

#include "lf2407.h"
#include "ucos_ii.h"

OS_STK Main_TaskStk[64];
OS_STK Sub_TaskStk[64];

void Main_Task(void *data);
void Sub_Task(void *data);

void InitCPU(void)
{    
    SCSR1 = 0x00fd;
    SCSR2 = (SCSR2|0x000b) & 0x000f;
    WDCR = 0x00e8;
    WSGR = 0x0040;
    
    MCRA = 0x0FFF;
    PBDATDIR = PBDATDIR|0x0F000;
    
    T2CON = 0x0000;
    GPTCONA = 0x0000;
    
    T2CNT = 0x0000;
    T2PR = 50000;
    T2CON = 0xd340;
    
    IMR = 0x0000;
    IFR = 0x003f;
    IMR = 0x0004;
    
    EVAIFRA = 0xFFFF;
    EVAIFRB = 0xFFFF;
    EVAIFRC = 0xFFFF;
    EVAIMRA = 0x0000;
    EVAIMRB = 0x0000;
    EVAIMRC = 0x0000;

    EVBIFRA = 0xFFFF;
    EVBIFRB = 0xFFFF;
    EVBIFRC = 0xFFFF;
    EVBIMRA = 0x0000;
    EVBIMRB = 0x0000;
    EVBIMRC = 0x0000;

    asm(" CLRC INTM");
}

int main(void)
{
    InitCPU();
    OSInit();
    OSTaskCreate(Main_Task, (void *)0, &Main_TaskStk[63], 0);
    OSStart();
    return 0;
}

void Main_Task(void *p_arg)
{    
    EnableTick();
    OSTaskCreate(Sub_Task, (void *)0, &Sub_TaskStk[63],10);    
    while(1)
    {
            PBDATDIR |= 0x0010;
            OSTimeDlyHMSM(0, 0, 0, 500);
            PBDATDIR &= 0x0ffef;
            OSTimeDlyHMSM(0, 0, 0, 500);
    }
}

void Sub_Task(void *p_arg)
{             
    while(1)
    {
            PBDATDIR |= 0x0020;
            OSTimeDlyHMSM(0, 0, 2, 0);
            PBDATDIR &= 0x0ffdf;
            OSTimeDlyHMSM(0, 0, 2, 0);
    }
}


 

两个任务分别控制一个led，位于PB4和PB5. PB4上的led每秒闪一次，PB5上的led每四秒闪一次。代码比较简单，就不多说了。

如果希望移植ucos-v2.85，可以参考：

http://blog.chinaunix.net/u1/57747/showart_1072239.html