/*
*********************************************************************************************************
* KILL A TASK ITSELF WHEN IT'S COMPLETE
*
* Note(s) : 1) Used in OSTaskStkInit.
*********************************************************************************************************
*/
void OSTaskEndSelf(void) {
INT8U err;
INT8U tsk_name[0x24];
OSTaskNameGet(OSPrioCur, tsk_name, &err);
if (OS_ERR_NONE == err) {
printf("\r\ntask %s (pid %d) over!", tsk_name, OSPrioCur);
}
while (1) {
if (OS_ERR_NONE != OSTaskDel(OSPrioCur)) {
printf("\r\nOSTaskDel(%d) error!", OSPrioCur);
}
OSTimeDlyHMSM(0, 0, 0, 500);
}
// return;
}
void start_task(void *pdata)
{
INT8U err;//错误码
INT8U *pname;
INT8U len;//名字的长度
char buffer[16];
OS_CPU_SR cpu_sr = 0;
pdata = pdata;
delay_init(168);
OS_ENTER_CRITICLE(); //进入临界区 无法被中断打断
OSTaskCreate( led0Task,
(void *)0,
(OS_STK *)LED0_TASK_STK[LED0_STK_SIZE-1],
LED0_TASK_PRIO);//创建LED任务
// OSTaskCreate( beepTask, (void *)0,
// (OS_STK *)BEEP_TASK_STK[BEEP_STK_SIZE-1],
// BEEP_TASK_PRIO);//创建BEEP任务
//用OSTaskCreateExt改写
OSTaskCreateExt( beepTask, (void *)0,
(OS_STK *)BEEP_TASK_STK[BEEP_STK_SIZE-1],
BEEP_TASK_PRIO,
BEEP_TASK_PRIO,//ID设置为跟优先级一样
(OS_STK *)BEEP_TASK_STK[0],//栈底指针
BEEP_STK_SIZE,//堆栈大小
(void *) 0,//额外参数为空
OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR//使用任务堆栈检查和清零功能
)
OSTaskNameSet(BEEP_TASK_PRIO,(INT8U *)BEEP_NAME,&err);//BEEP_NAME必须为全局变量
len = OSTaskNameGet(BEEP_TASK_PRIO,&pname,&err)//pname本身为一个指针变量，
//对pname取地址变成二维指针
memcopy(buffer,pname,len);//把pname的内容拷贝到buffer中
OSTaskSuspend(START_TASK_PRIO);//挂起起始任务
OS_EXIT_CRITICLE(); //退出临界区 可以被中断打断
}
ADI_OSAL_STATUS adi_osal_ThreadGetName(ADI_OSAL_THREAD_HANDLE const hThread,
char_t *pTaskName,
uint32_t nNumBytesToCopy)
{
char_t *sThreadName = NULL;
INT8U nErr;
INT8U nUcosNameSize;
ADI_OSAL_STATUS eRetStatus;
#pragma diag(push)
#pragma diag(suppress:misra_rule_11_4 : "typecasting is necessary to convert the handle type into a useful type")
ADI_OSAL_THREAD_INFO_PTR hThreadNode = (ADI_OSAL_THREAD_INFO_PTR) hThread;
#pragma diag(pop)
INT16U nUcosVersion = OSVersion();
#ifdef OSAL_DEBUG
/* check validity of the handle */
if ((hThreadNode==NULL) || (hThread==ADI_OSAL_INVALID_THREAD))
{
return (ADI_OSAL_BAD_HANDLE);
}
if (hThreadNode->pThreadLocalStorageBuffer==NULL)
{
return (ADI_OSAL_BAD_HANDLE);
}
#endif
/* In version 2.92 or later the task stores a pointer and GetName returns it
* so we don't need to allocate memory for this variable because the uCOS
* code does not copy the string to it, it simply sets the pointer
*
* In older versions the maximum Task name size (OSTaskNameSize) is only set
* in uCOS in debug mode so we cannot use it. We use UCHAR_MAX as the max
* length because the return value is an INT8U.
*
* Note that the prototype of OSTaskNameGet has changed and the pointer is
* different.
*/
#pragma diag(push)
#pragma diag(suppress:misra_rule_11_4 : "typecasting is necessary to convert the char_t type into INT8U type")
if (nUcosVersion < 292u)
{
/* allocate memory to get the task name based on the maximum task name size
*/
if (ADI_OSAL_SUCCESS != _adi_osal_MemAlloc((void*) &sThreadName, UCHAR_MAX))
{
return (ADI_OSAL_MEM_ALLOC_FAILED);
}
PAUSE_PROFILING();
nUcosNameSize = OSTaskNameGet(hThreadNode->nThreadPrio,
(void*) sThreadName, &nErr);
RESUME_PROFILING();
}
else
{
PAUSE_PROFILING();
nUcosNameSize = OSTaskNameGet(hThreadNode->nThreadPrio,
(void*) &sThreadName, &nErr);
RESUME_PROFILING();
}
#pragma diag(pop)
switch(nErr)
{
case OS_ERR_NONE:
strncpy(pTaskName, sThreadName, nNumBytesToCopy - 1u);
/* We zero-terminate the string in either the last element or
where the uCOS name finished
*/
if (nUcosNameSize < (nNumBytesToCopy) )
{
pTaskName[nUcosNameSize + 1u] ='\0';
}
else
{
pTaskName[nNumBytesToCopy] ='\0';
}
eRetStatus = ADI_OSAL_SUCCESS;
break;
case OS_ERR_TASK_NOT_EXIST:
case OS_ERR_PRIO_INVALID:
eRetStatus = ADI_OSAL_BAD_HANDLE;
break;
case OS_ERR_NAME_GET_ISR:
eRetStatus = ADI_OSAL_CALLER_ERROR;
break;
case OS_ERR_PNAME_NULL:
default:
eRetStatus = ADI_OSAL_FAILED;
break;
}
if (nUcosVersion < 292u)
{
_adi_osal_MemFree(sThreadName);
}
return (eRetStatus);
}
int
TK_NEWTASK(struct inet_taskinfo * nettask)
{
INT8U error;
OS_STK * stack;
stack = (OS_STK*)npalloc(nettask->stacksize);
if(!stack)
panic("stack alloc");
#if OS_TASK_CREATE_EXT_EN > 0
error = OSTaskCreateExt(
nettask->entry,
NULL,
stack + (nettask->stacksize/sizeof(OS_STK)) - 1,
nettask->priority,
nettask->priority,
stack,
(INT32U)nettask->stacksize / sizeof(OS_STK),
NULL,
OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR);
#else
#ifndef TCPWAKE_RTOS
#error !TCPWAKE_RTOS requires OS_TASK_CREATE_EXT_EN
#endif
error = OSTaskCreate(
(void (*)(void *)) nettask->entry,
NULL,
stack + (nettask->stacksize/sizeof(OS_STK)) - 1,
nettask->priority);
#endif
/* If we go here, then there's another task using our priority */
/* Tell the user and exit with an error */
if (error == OS_PRIO_EXIST)
{
char curr_task[OS_TASK_NAME_SIZE];
INT8U err;
OSTaskNameGet(nettask->priority, curr_task, &err);
curr_task[OS_TASK_NAME_SIZE-1]=0;
printf("Priority requested for task \"%s\" (Prio:%d) conflicts with "\
"already running task \"%s\" (Prio: %d)\n",
nettask->name, nettask->priority, curr_task, nettask->priority);
printf("You may wish to check your task priority settings in "\
"\"<bsp path>\\iniche\\src\\h\\nios2\\ipport.h\" against "\
"the priority settings in your application and recompile.\n\n");
}
else if (error == OS_PRIO_INVALID)
{
printf("Priority requested for task \"%s\" (Prio:%d) exceeds "\
"available priority levels in the system (OS_LOWEST_PRIO = %d)\n\n",
nettask->name, nettask->priority, OS_LOWEST_PRIO);
printf("Please modify the tasks priority level, or modify the "\
"\"Lowest assignable priority\" setting in the MicroC/OS-II "\
"component\n");
}
else if (error != OS_NO_ERR)
{ /* All other errors are fatal */
printf("Task create error /(MicroC/OS-II error code:%d/) on %s\n",
error, nettask->name);
return (-1);
}
/* Include the task name, so that uc/osII (os aware) debuggers can
* display it.
*/
OSTaskNameSet(nettask->priority, &nettask->name[0], &error);
nettask->stackbase = (char*)stack;
*nettask->tk_ptr = (INT8U)nettask->priority;
printf("Created \"%s\" task (Prio: %d)\n",
(char *)nettask->name, nettask->priority);
return (0);
}
