[原创] 【NUCLEO-F410RB】2.给nucleo移植上ucos-ii，用信号量实现led闪烁

caizhiwei 2015-12-6 17:15 楼主

虽然管理员寄过来的板子不能用，但是还得完成任务。所以抽出时间把ucos-ii移植上另外一块Nucleo板子上，奉上工程源码，供大家享用~~

int main(void)
{
CPU_INT08U os_err;
#if (CPU_CFG_NAME_ERR == DEF_ENABLED)
CPU_ERR cpu_err;
#endif
//CPU_Init();
BSP_IntDisAll(); /* Disable all interrupts. */
OSInit(); /* Initialize "uC/OS-II, The Real-Time Kernel" */
OSTaskCreateExt((void (*)(void *)) AppTaskStart, /* Create the start task */
(void *) 0,
(OS_STK *)&AppTaskStartStk[APP_CFG_TASK_START_STK_SIZE - 1],
(INT8U ) APP_CFG_TASK_START_PRIO,
(INT16U ) APP_CFG_TASK_START_PRIO,
(OS_STK *)&AppTaskStartStk[0],
(INT32U ) APP_CFG_TASK_START_STK_SIZE,
(void *) 0,
(INT16U )(OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR));
#if (OS_TASK_NAME_EN > 0)
OSTaskNameSet((INT8U )APP_CFG_TASK_START_PRIO,
(INT8U *)"Start_Task",
(INT8U *)&os_err);
#endif
OSStart(); /* Start multitasking (i.e. give control to uC/OS-II) */
return (1);
}
/*
*********************************************************************************************************
* 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 'AppTaskStart()' by 'OSTaskCreate()'.
*
* Returns : none
*
* 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.
*********************************************************************************************************
*/
void AppTaskStart (void *p_arg)
{
(void)p_arg; /* Note #1 */
OS_CPU_SysTickInit(OS_TICKS_PER_SEC); /* Initialize tick counter */
Bsp_Init(); /* Initialize BSP functions */
CPU_Init(); /* Initialize the uC/CPU services */
BSP_Tick_Init(); /* Start Tick Initialization */
#if (OS_TASK_STAT_EN > 0)
OSStatInit(); /* Determine CPU capacity */
#endif
AppEventCreate(); /* Create Application Events */
AppTaskCreate(); /* Create application tasks */
while (1) /* Task body, always written as an infinite loop. */
{
OSSemPost(Led3_SEM);
OSTimeDlyHMSM(0, 0,0,800);
OSSemPost(Led4_SEM);
OSTimeDlyHMSM(0, 0,0,800);
}
}
/*
*********************************************************************************************************
* AppTaskEventCreate()
*
* Description : Create the application Events
*
* Argument(s) : none.
*
* Return(s) : none.
*
* Caller(s) : App_TaskStart()
*
* Note(s) : none.
*********************************************************************************************************
*/
void AppEventCreate (void)
{
Led3_SEM=OSSemCreate(0);
Led4_SEM=OSSemCreate(0);
}
/*
*********************************************************************************************************
* AppTaskCreate()
*
* Description : Create the application tasks.
*
* Argument(s) : none.
*
* Return(s) : none.
*
* Caller(s) : App_TaskStart()
*
* Note(s) : none.
*********************************************************************************************************
*/
void AppTaskCreate (void)
{
#if (OS_TASK_NAME_EN > 0)
CPU_INT08U os_err;
#endif
OSTaskCreateExt((void (*)(void *))AppTaskLED3, /* Create the task for LED3 semaphore blinking */
(void *) 0,
(OS_STK *)&AppTaskLED3Stk[APP_CFG_TASK_LED3_STK_SIZE - 1],
(INT8U ) APP_CFG_TASK_LED3_PRIO,
(INT16U ) APP_CFG_TASK_LED3_PRIO,
(OS_STK *)&AppTaskLED3Stk[0],
(INT32U ) APP_CFG_TASK_LED3_STK_SIZE,
(void *) 0,
(INT16U )OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR);
#if (OS_TASK_NAME_EN > 0)
OSTaskNameSet((INT8U )APP_CFG_TASK_LED3_PRIO,
(INT8U *)"App Task LED3",
(INT8U *)&os_err);
#endif
OSTaskCreateExt((void (*)(void *))AppTaskLED4, /* Task creation for LED 4 queue control with LED 3 too */
(void *) 0,
(OS_STK *)&AppTaskLED4Stk[APP_CFG_TASK_LED4_STK_SIZE - 1],
(INT8U ) APP_CFG_TASK_LED4_PRIO,
(INT16U ) APP_CFG_TASK_LED4_PRIO,
(OS_STK *)&AppTaskLED4Stk[0],
(INT32U ) APP_CFG_TASK_LED4_STK_SIZE,
(void *) 0,
(INT16U ) OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR);
#if (OS_TASK_NAME_EN > 0)
OSTaskNameSet((INT8U )APP_CFG_TASK_LED4_PRIO,
(INT8U *)"App Task LED4",
(INT8U *)&os_err);
#endif
}
/*
*********************************************************************************************************
* AppTaskLED3()
*
* Description : Task to activate and toggle LED2 after timer tick system expires.
*
* Argument(s) : p_arg is the argument passed to 'AppTaskLED2()' by 'OSTaskCreate()'.
*
* Return(s) : none.
*
* Caller(s) : none.
*
* Note(s) : none.
*********************************************************************************************************
*/
void AppTaskLED3(void *p_arg)
{
CPU_INT08U err;
(void)p_arg;
while(1)
{
OSSemPend(Led3_SEM,0,&err);
Bsp_Led_On(3);
Bsp_Led_Off(4);
OSTimeDly(500);
OSTimeDly(500);
}
}
/*
*********************************************************************************************************
* AppTaskLED4()
*
* Description : Toggle LED3 using semaphore services.
*
* Argument(s) : p_arg is the argument passed to 'AppTaskLED3()' by 'OSTaskCreate()'.
*
* Return(s) : none.
*
* Caller(s) : none.
*
* Note(s) : Calls the LED function to activate LED 3.
*********************************************************************************************************
*/
void AppTaskLED4(void *p_arg)
{
CPU_INT08U err;
(void)p_arg;
while (1)
{
OSSemPend(Led4_SEM,0,&err);
Bsp_Led_On(4);
Bsp_Led_Off(3);
OSTimeDly(500);
OSTimeDly(500);
}
}