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 */
}
}
/*
*********************************************************************************************************
* 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 */
}
}
/*
*********************************************************************************************************
* RECEIVETASK
*********************************************************************************************************
*/
void ReceiveTask(void *pdata) {
INT8U err;
INT8U pos_x = 0, pos_y = 0;
INT8U font_color;
char *str_receiv;
INT16U recev;
float result;
char avg[10];
char attention[2];
INT16U i = 0; ///used for row control
char str_print[10];
INT16U number = 0; //used for calculating averages in receiving data.
FILE* fp;
char filename[25];
INT16U data_iter = 0; //data_iter/10 is the row and data_iter%10 is the col
static INT16U times[10]; //used for count the times received
static INT16U data[10]; //used for record all the data.
static INT16U max[10];
static INT16U min[10];
static INT16U sumr[10];
pdata = pdata;
memset(min,1000,sizeof(min)); //initialize the min array
for (;;) {
GetDate(filename);
strcat(filename,"Rv.dat");
fp = fopen(filename, "a");
str_receiv = OSQPend(MSGQ,20,&err); //request message
pos_x = i;
i ++;
i %= 10;
if (pos_y/10 == 7) {
pos_y = 0;
PC_DispClrScr(DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
TaskStartDispInit();
}
PC_DispStr(5+6*pos_x, 10 + pos_y/10, str_receiv, DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
fprintf(fp, "%s", str_receiv);
recev = atoi(str_receiv);
if (data_iter == 70) {
data_iter = 0;
}
data[data_iter%10] = recev;
PntIntNum((++ times[data_iter%10]),5+6*pos_x, 17);
if (times[9] == 100) {
TaskSuspend();
}
max[data_iter%10] = (max[data_iter%10] < recev) ? recev : max[data_iter%10];
PntIntNum(max[data_iter%10],5+6*pos_x, 18);
min[data_iter%10] = (min[data_iter%10] > recev) ? recev : min[data_iter%10];
PntIntNum(min[data_iter%10],5+6*pos_x, 19);
sumr[data_iter%10] += recev;
PntFltNum((float)sumr[data_iter%10]/(float)times[data_iter%10],5+6*pos_x,20);
DrawGraph(sumr[data_iter%10]/times[data_iter%10], pos_x);
data_iter ++;
number += recev;
result = (float)number/10.0;
sprintf(avg,"%6.2f",result);
attention[0] = Classify((unsigned int)result);
attention[1] = 0; //the string ending
strcat(avg,attention);
font_color = 0x00 + ((*attention) - 'A');
PC_DispStr(68, 10 + pos_y/10, avg, font_color + DISP_BGND_LIGHT_GRAY);
if (pos_y%10 == 9) {
fprintf(fp, "%8s\n%6s",avg," ");
memset(avg,0,sizeof(avg));
number = 0;
RemoveGraph();
}
OSTimeDlyHMSM(0, 0, 0, 100);
pos_y ++;
fclose(fp);
}
}
