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Example Programs
counter = 0;
rtos_run ( );
// once the rtos_terminate function has been called, rtos_run will
return
// program control back to main
printf("RTOS has been terminated\n\r");
}
/////////////////////////////////////////////////////////////////
///
This file demonstrates how to use the real time
///
///
///
operating system rtos_enable and rtos_disable functions ///
///
///
this demo makes use of the PIC18F452 prototyping board
///
/////////////////////////////////////////////////////////////////
#include <18F452.h>
#use delay(clock=20000000)
#use rs232(baud=9600,xmit=PIN_C6,rcv=PIN_C7)
#use rtos(timer=0,minor_cycle=100ms)
int8 counter;
// now that task names will be passed as parameters, it is best
// to declare function prototypes so that their are no undefined
// identifier errors from the compiler
#task(rate=1000ms,max=100ms)
void The_first_rtos_task ( );
#task(rate=500ms,max=100ms)
void The_second_rtos_task ( );
#task(rate=100ms,max=100ms)
void The_third_rtos_task ( );
void The_first_rtos_task ( ) {
printf("1\n\r");
if(counter==3)
{
// to disable a task, simply pass the task name
// into the rtos_disable function
rtos_disable(The_third_rtos_task);
}
}
void The_second_rtos_task ( ) {
printf("\t2!\n\r");
if(++counter==10) {
counter=0;
// enabling tasks is similar to disabling them
rtos_enable(The_third_rtos_task);
}
}
void The_third_rtos_task ( ) {
printf("\t\t3\n\r");
}
void main ( ) {
counter = 0;
rtos_run ( );
}
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