Keil RTX51 Manual page 59

RTX TINY
otask
*/
os_wait (K_SIG, 0, 0);
*/
otask = 0xff;
*/
}
putbuf (0x0D);
*/
}
while (sendfull)
*/
otask
*/
os_wait (K_SIG, 0, 0);
*/
otask = 0xff;
*/
}
putbuf (c);
*/
return (c);
*/
}
/*****************************************************************************
*/
/*
*/
/*****************************************************************************
*/
char _getkey (void)
while (iend == istart)
itask
*/
os_wait (K_SIG, 0, 0);
*/
itask = 0xff;
*/
}
return (inbuf[istart++ & (ILEN-1)]);
}
/*****************************************************************************
*/
/*
*/
/*****************************************************************************
*/
serial () interrupt 4 using 2
*/
unsigned char c;
bit start_trans = 0;
if (RI)
*/
c = SBUF;
*/
RI = 0;
*/
= os_running_task_id
{
= os_running_task_id
_getkey:
{
{
= os_running_task_id
serial: serial
{
(); /* set
/* RTX-51 call: wait for signal
/* clear output task number
/* send CR before LF for <new line>
/* wait for transmission buffer empty
(); /* set
/* RTX-51 call: wait for signal
/* clear output task number
/* return character: ANSI requirement
interrupt
(); /* set
/* RTX-51 call: wait for signal
/* clear input task number
receiver / transmitter
{ /* use registerbank 2 for interrupt
/* if receiver interrupt
/* clear interrupt request flag
output task number
output task number
/* send character
controlled _getkey
input task number
interrupt
/* read character
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