2. 目录分析

1.Ucos2

1.1 ucos2

本文主要来讲ucos2

1.2 ucos3

2.启动程序

app.c

int main(void)
{
   CPU_INT08U os_err;   //ucos2类型
   //BSP_IntDisAll();                                            /* Disable all ints until we are ready to accept them.  */
   CPU_IntDis();   //CPU中断禁止
   OSInit();   //操作系统初始化                      /* Initialize "uC/OS-II, The Real-Time Kernel".         */
   BSP_Init();     //BSP初始化                        /* Initialize BSP functions.  */
   App_DispScr_SignOn();
   printf("OS Init OK！\r\n");
   os_err = OSTaskCreate((void (*) (void *)) App_TaskStart,
               /* Create the start task.                               */
                          (void *) 0,
               (OS_STK *) &App_TaskStartStk[APP_TASK_START_STK_SIZE - 1],
               (INT8U) APP_TASK_START_PRIO);
   printf("Creat App_TaskStart！\r\n");
#if (OS_TASK_NAME_SIZE >= 11)
   OSTaskNameSet(APP_TASK_START_PRIO, (CPU_INT08U *) "Start Task", &os_err);
#endif
//   InfoSem = OSSemCreate(0); 
//   Disp_Box = OSMboxCreate((void *) 0);               
   OSTimeSet(0);
   OSStart();                                                  /* Start multitasking (i.e. give control to uC/OS-II).  */
   return (0);