testossignalsend.c

RTOS REWORKS ReWorks里一个有关信号的例子

#include "signalTest.h"

static int finish_flag=0;
static os_asr_entry asr_hander(os_signal_set the_signal_set)
{
    printf("asr_hander:the task \"TSIG\" catch signal %x\n",the_signal_set);
    printf("asr_hander:make set the finish_flag of TSIG\n");
    finish_flag=1;
}
static os_task_entry sig_entry(void *arg)
{
	printf("the \"TSIG\" do OSSignalCatch.\n");
    OSSignalCatch(asr_hander,1);
	
   	while(!finish_flag)
   	{  
    	printf("TSIG is running\n");
    	printf("TSIG delay 1000 ticks\n");
    	OSTaskDelay(1000);
	}   
 	printf("Task TSIG end\n");
}
int testOSSignalSendandCatch(void )
{
 	OS_STATUS status;
 	unsigned32 tid;
 	printf("*** test of OSSignalSendandCatch ***\n");
 	printf("create task TSIG\n");
 	status=OSTaskCreate("TSIG",200,4096,OS_PREEMPT,OS_DEFAULT,&tid);  
  	if(status!=OS_OK)
    {
		printf("OSTaskCreate error:[%s]\n",serrno(errno));   
		return -1; 
	}  
  	status=OSTaskStart(tid,(os_task_entry)sig_entry,0);
  	if(status!=OS_OK)
    {
		printf("OSTaskStart error:[%s]\n",serrno(errno));   
		return -1; 
	} 
  	
  	printf("make TSIG run\n");
   	OSTaskDelay(4000);
   	
   	
   	printf("the main task send signal to the task.\n");
  	OSSignalSend(tid,1);
  	if(status!=OS_OK)
    {
		printf("OSSignalSend error:[%s]\n",serrno(errno));   
		return -1; 
	}
	
  	OSTaskDelay(1000);
  	OSTaskDelete(tid);
  	
  	printf("*** OSSignalSendandCatch test OK! ***\n");
    return 1;
}