New Micros NMIY-0031, Руководство пользователя

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2 / 2 6 / 2 0 0 2 2 : 0 6 P M 2 / 2 6 / 2 0 0 2 1 2 2
N M I L - 5 0 0 0 A C I A S E R I A L C O M M U N I C A T I O N
C S A M P L E P R O G R A M
parity_report()
{
if ((cmmand & 0x20) == 0)
printf("\nParity disabled, not sent, no checking ");
else
{
printf("\nParity enabled ");
switch (cmmand & 0xC0)
{
case 0x0 : printf("\nOdd parity "); break;
case 0x40 : printf("\nEven parity "); break;
case 0x80 : printf("\nMark parity set, no checking "); break;
case 0xC0 : printf("\nSpace parity set, no checking ");
default : break;
}; /* end switch */
}; /* end else */
} /* end parity report */
rd_status()
{
return(peekb(STATUS_REG) & 0x08);
} /* end rd status */
receive_test1()
{
cmmand = 0xCB; cntrol = 0x1C; initialize();
printf("\n\n");
while ( (fputc(data_in(), stdout)) != 0x03 );
} /* end receiver test 1 */
report_all()
{
command_report();
control_report();
status_report();
} /* end report all registers */
rts_report()
{
if ((cmmand & 0x10) == 0)
printf("\n Receiver normal mode ");
else
{
printf("\n Receiver echoes ");
switch (cmmand & 0x0C)
{
case 0x0 : printf("\nRTS high, xmit disabled "); break;
case 0x4 : printf("\nRTS low, xmit interrupt enabled "); break;
case 0x8 : printf("\nRTS low, xmit interrupt disabled "); break;
case 0xC : printf("\nRTS low, xmit int. disabled, break on TxD ");
default : break;
}; /* end switch */
}; /* end else */
} /* end rts report */