National Instruments and PCI-485/4 Isolated 用户手册

For more information about using 

setserial

, refer to 

linux # more 

/usr/doc/setserial*/README

.

1.

Enter the following:

cp /usr/doc/setserial*/rc.serial /etc/rc.d/ 

pico /etc/rc.d/rc.serial

a.

Make sure that 

SETSERIAL=

 points to the correct location. Check 

your 

/bin

 and 

/sbin

 directories, and change the 

SETSERIAL=

 

line to say either 

SETSERIAL=/bin/setserial

 or 

SETSERIAL=/sbin/setserial

b.

Under 

AUTOMATIC CONFIGURATION

, leave the following lines 

uncommented and delete or comment out (by adding a # to the 
beginning of the line) all the other lines in the section. (Depending 
on your version of 

setserial

, 

ttyS

 might replace 

cua

):

AUTO_IRQ=auto_irq

${SETSERIAL} /dev/cua0 ${AUTO_IRQ} skip_test 

autoconfig ${STD_FLAGS}

${SETSERIAL} /dev/cua1 ${AUTO_IRQ} skip_test 

autoconfig ${STD_FLAGS}

${SETSERIAL} /dev/cua2 ${AUTO_IRQ} skip_test 

autoconfig ${STD_FLAGS}

${SETSERIAL} /dev/cua3 ${AUTO_IRQ} autoconfig 

${STD_FLAGS}

c.

Under 

MANUAL CONFIGURATION

, comment out or delete 

everything but the following lines. Change the lines concerning 

/dev/cua4-/dev/cua(4+

n)

 (where 

n

 is the number of ports on 

the PCI serial interface) to the following:

# These are the first set of AST Fourport ports

#

${SETSERIAL} /dev/ttyS4 uart 16550A port <

port 

address> irq <irq> ^fourport

${SETSERIAL} /dev/ttyS5 uart 16550A port <

port 

address> irq <irq> ^fourport

${SETSERIAL} /dev/ttyS6 uart 16550A port <

port 

address> irq <irq> ^fourport 

${SETSERIAL} /dev/ttyS7 uart 16550A port <

port 

address> irq <irq> ^fourport 

Refer to the section 

 for an example 

(configured according to the 

lspci

 example above). 

2.

Enter the following:

pico /etc/rc.d/rc