app.c

ARMLPC2129ucosii283(uCOSII2.83已经移植到arm7,iar环境)

/*
*********************************************************************************************************
*                                               uC/OS-II
*                                         The Real-Time Kernel
*
*                             (c) Copyright 1998-2005, Micrium, Weston, FL
*                                          All Rights Reserved
*
*
*                                            ARM Sample code
*
* File : APP.C
* By   : Jean J. Labrosse
*********************************************************************************************************
*/

#include <includes.h>


/*
*********************************************************************************************************
*                                                VARIABLES
*********************************************************************************************************
*/

OS_STK          AppTaskStartStk[APP_TASK_START_STK_SIZE];
OS_STK          AppTaskUserIFStk[APP_TASK_USER_IF_STK_SIZE];

CPU_INT08U      AppUserIFState;                                 /* User I/F state                                           */


/*
*********************************************************************************************************
*                                            FUNCTION PROTOTYPES
*********************************************************************************************************
*/

static  void  AppTaskCreate(void);
static  void  AppTaskStart(void *p_arg);
static  void  AppTaskUserIF(void *p_arg);




/*
*********************************************************************************************************
*                                                main()
*
* Description : This is the standard entry point for C code.  It is assumed that your code will call
*               main() once you have performed all necessary 68HC12 and C initialization.
* Arguments   : none
*********************************************************************************************************
*/

void  main (void)
{
    CPU_INT08U  err;


    BSP_IntDisAll();                                            /* Disable all interrupts until we are ready to accept them */

    OSInit();                                                   /* Initialize "uC/OS-II, The Real-Time Kernel"              */

    OSTaskCreateExt(AppTaskStart,                               /* Create the start task                                    */
                    (void *)0,
                    (OS_STK *)&AppTaskStartStk[APP_TASK_START_STK_SIZE - 1],
                    APP_TASK_START_PRIO,
                    APP_TASK_START_PRIO,
                    (OS_STK *)&AppTaskStartStk[0],
                    APP_TASK_START_STK_SIZE,
                    (void *)0,
                    OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR);

#if OS_TASK_NAME_SIZE > 13
    OSTaskNameSet(APP_TASK_START_PRIO, "Startup", &err);
#endif

    OSStart();                                                  /* Start multitasking (i.e. give control to uC/OS-II)       */
}


/*
*********************************************************************************************************
*                                          STARTUP TASK
*
* Description : This is an example of a startup task.  As mentioned in the book's text, you MUST
*               initialize the ticker only once multitasking has started.
* Arguments   : p_arg   is the argument passed to 'AppStartTask()' by 'OSTaskCreate()'.
* Notes       : 1) The first line of code is used to prevent a compiler warning because 'p_arg' is not
*                  used.  The compiler should not generate any code for this statement.
*               2) Interrupts are enabled once the task start because the I-bit of the CCR register was
*                  set to 0 by 'OSTaskCreate()'.
*********************************************************************************************************
*/

static  void  AppTaskStart (void *p_arg)
{
    (void)p_arg;


    BSP_Init();                                                 /* Initialize BSP functions                                 */


#if OS_TASK_STAT_EN > 0
    OSStatInit();                                               /* Determine CPU capacity                                   */
#endif

#if OS_VIEW_MODULE > 0
    OSView_Init(38400);
    OSView_TerminalRxSetCallback(AppTerminalRx);
    OSView_RxIntEn();                                           /* Enable Rx Interrupts                                     */
#endif

    LED_Off(0);                                                 /* Turn OFF all the LEDs                                    */

    AppTaskCreate();                                            /* Create application tasks                                 */

    while (DEF_TRUE) {                                          /* Task body, always written as an infinite loop.           */
        OSTimeDlyHMSM(0, 0, 0, 100);
    }
}

/*$PAGE*/
/*
*********************************************************************************************************
*                                         USER INTERFACE TASK
*********************************************************************************************************
*/

static  void  AppTaskUserIF (void *p_arg)
{

    (void)p_arg;
    CPU_INT08U i;
 
    while (DEF_TRUE) {                                          /* Task body, always written as an infinite loop. */
       LED_Off(i);
       OSTimeDlyHMSM(0, 0, 1, 0);     
       LED_On(i);
       OSTimeDlyHMSM(0, 0, 1, 0); 
    }
}

/*$PAGE*/
/*
*********************************************************************************************************
*                                      CREATE APPLICATION TASKS
*********************************************************************************************************
*/

static  void  AppTaskCreate (void)
{
    CPU_INT08U      err;


    OSTaskCreateExt(AppTaskUserIF,
                    (void *)0,
                    (OS_STK *)&AppTaskUserIFStk[APP_TASK_USER_IF_STK_SIZE - 1],
                    APP_TASK_USER_IF_PRIO,
                    APP_TASK_USER_IF_PRIO,
                    (OS_STK *)&AppTaskUserIFStk[0],
                    APP_TASK_USER_IF_STK_SIZE,
                    (void *)0,
                    OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR);

#if OS_TASK_NAME_SIZE > 13
    OSTaskNameSet(APP_TASK_USER_IF_PRIO, "User I/F", &err);
#endif
}