void TaskStart (void *pdata)
{
#if OS_CRITICAL_METHOD == 3 /* Allocate storage for CPU status register */
OS_CPU_SR cpu_sr;
#endif
INT16S key;
pdata = pdata; /* Prevent compiler warning */
TaskStartDispInit(); /* Setup the display */
OSStatInit(); /* Initialize uC/OS-II's statistics */
MsgQueue = OSQCreate(&MsgQueueTbl[0], MSG_QUEUE_SIZE); /* Create a message queue */
TaskStartCreateTasks();
for (;;) {
TaskStartDisp(); /* Update the display */
if (PC_GetKey(&key)) { /* See if key has been pressed */
if (key == 0x1B) { /* Yes, see if it's the ESCAPE key */
exit(0); /* Yes, return to DOS */
}
}
OSCtxSwCtr = 0; /* Clear the context switch counter */
OSTimeDly(OS_TICKS_PER_SEC); /* Wait one second */
}
}
/*
*********************************************************************************************************
* STARTUP TASK
*********************************************************************************************************
*/
void TaskStart (void *pdata)
{
#if OS_CRITICAL_METHOD == 3 /* Allocate storage for CPU status register */
OS_CPU_SR cpu_sr;
#endif
char s[100];
INT16S key;
pdata = pdata; /* Prevent compiler warning */
TaskStartDispInit(); /* Initialize the display */
OS_ENTER_CRITICAL(); /* Used to disable interrupts (see chapter 13)*/
PC_VectSet(0x08, OSTickISR); /* Install uC/OS-II's clock tick ISR */
PC_SetTickRate(OS_TICKS_PER_SEC); /* Reprogram tick rate */
OS_EXIT_CRITICAL(); /* Re-enable interrupts*/
OSStatInit(); /* Initialize uC/OS-II's statistics */
TaskStartCreateTasks(); /* Create all the application tasks */
for (;;) {
if (PC_GetKey(&key) == TRUE) { /* See if key has been pressed */
if (key == 0x1B) { /* Yes, see if it's the ESCAPE key */
PC_DOSReturn(); /* Return to DOS */
}
}
OSCtxSwCtr = 0; /* Clear context switch counter */
OSTimeDlyHMSM(0, 0, 1, 0); /* Wait one second */
}
}
/*******************************************************************************
* Function Name : TaskStart
* Description : UCOS-II.
* Input : *pdata.
* Output : None
* Return : None
*******************************************************************************/
void TaskStart(void *pdata)
{
//u16 tp_xvalue = 0, tp_yvalue = 0;
//INT8U err = 0;
pdata = pdata; // 防止编译器告警
SysTick_Configuration(); // 初始化系统节拍(1ms)
OSStatInit(); // 初始化统计任务
TaskStartCreateTasks(); // 建立其他任务
/* 初始化TFT, 设置TFT背光 */
TFT_Init();
TFT_SetBlackLight(TFT_BL_PERCENT_90);
TFT_Clear(Blue);
TFT_DisplayD36x48(10, 150, '2', White, Blue);
TFT_DisplayD36x48(46, 150, '1', White, Blue);
TFT_DisplayD36x48(82, 150, ':', White, Blue);
TFT_DisplayD36x48(118, 150, '5', White, Blue);
TFT_DisplayD36x48(154, 150, '8', White, Blue);
TFT_DisplayString(200, 182, "2011", White, Blue);
TFT_DisplayString(30, 218, "Wendnesday, Septermber 23", White, Blue);
TFT_DrawHLine(30, 236, 230, Blue);
while(1)
{
//printf("Start task is running!\r\n");
/* 任务延时500ms */
OSTimeDlyHMSM(0, 0, 20, 0);
}
}
/*
*********************************************************************************************************
* TASK START FUNCTION
*********************************************************************************************************
*/
void TaskStart(void * pdata)
{
#if OS_CRITICAL_METHOD == 3 /* Allocate storage for CPU status register */
OS_CPU_SR cpu_sr;
#endif
pdata = pdata;
printf("Task start!\r\n");
OS_ENTER_CRITICAL();
os_timer_init();
OS_EXIT_CRITICAL();
#if OS_TASK_STAT_EN > 0
OSStatInit(); /* Initialize Statistics Task */
#endif
TaskStartCreateTasks(); /* Create Tasks */
for(;;) {
printf("OS context switch counter:%d\r\n", OSCtxSwCtr);
printf("OS CPU Usage:%d%%\r\n", OSCPUUsage);
OSCtxSwCtr = 0;
OSTimeDly(OS_TICKS_PER_SEC);
}
}
/*
*********************************************************************************************************
* STARTUP TASK
*********************************************************************************************************
*/
void TaskStart (void *pdata) {
#if OS_CRITICAL_METHOD == 3 /* Allocate storage for CPU status register */
OS_CPU_SR cpu_sr;
#endif
char s[100];
INT16S key;
pdata = pdata; /* Prevent compiler warning */
TaskStartDispInit(); /* Initialize the display */
OS_ENTER_CRITICAL();
PC_VectSet(0x08, OSTickISR); /* Install uC/OS-II's clock tick ISR */
PC_SetTickRate(OS_TICKS_PER_SEC); /* Reprogram tick rate */
OS_EXIT_CRITICAL();
OSStatInit(); /* Initialize uC/OS-II's statistics */
FileContentInit(); /* Initialize fileContent */
TaskStartCreateTasks(); /* Create all the application tasks */
OSTaskCreate(ReceiveTask,(void *)0, &ReceiveTaskStk[TASK_STK_SIZE - 1], 11);
for (;;) {
TaskStartDisp(); /* Update the display */
if (PC_GetKey(&key) == TRUE) { /* See if key has been pressed */
if (key == 'q') /* Yes, see if it's the ESCAPE key */
PC_DOSReturn(); /* Return to DOS */
if (key == 'b') /* See if it's b and then stop the tasks */
TaskSuspend();
if (key == 'r') /* See if it's r and then resume the tasks */
TaskResume();
}
OSCtxSwCtr = 0; /* Clear context switch counter */
OSTimeDlyHMSM(0, 0, 0, 100); /* Wait one second */
}
}