Advantech ADAM-5511, Руководство пользователя, Страница: 281 / 340

6-138 ADAM-5511
Function Library
Example:
void main ()
{
int MCR_Value, MCR_Params;
port_install(1);
:
:
port_enable_fifo(1);
//set MCR value=3 (RTS=1; DTR=1)
MCR_Params=3
port_set_modem_control_params(1, MCR_Params);
//get MCR value
MCR_Value=port_get_modem_control_status(1);
// MCR value must be 3
}
UART Register Description Table
Register
Name Description Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
LSR Line Status
Register Data
Error Tx
Empty THR
Empty Rx Break Framing
Error Parity
Error Overrun
Error
RxRDY
LCR Line Control
Register divisor
latch
access
Tx
Break Force
parity odd/even
parity
Parity
enable
Number
of
stop bit
data length bits[1:0]