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pci-serial.rar是 PCI转串口驱动程序

This installation guide describes the procedures to install and uninstall CH352 PCI to two serial ports and to one serial and one parport in Linux platform.
1-install and uninstall CH352 PCI to two serial ports
2-install and uninstall CH352 PCI to one serial port and one parport


1-install and uninstall CH352 PCI to two serial ports
(1)-install
<1>-copy install_ss_80x86.o to /usr/sbin
<2>-Add /usr/sbin/install_ss_80x86 at the end of the /etc/rc.d/rc.local.
<3>-reboot
The ttyS2 and ttyS3 are ready for application.
(2)-uninstall
(1)-Remove /usr/sbin/install_ss_80x86 at the end of the /etc/rc.d/rc.local.
(2)-Remove /usr/sbin/install_ss_80x86.o


2-install and uninstall CH352 PCI to one serial port and one parport
(1)install one serial 
<1>-copy install_s_80x86.o to /usr/sbin
<2>-Add /usr/sbin/install_s_80x86 at the end of the /etc/rc.d/rc.local.
The ttyS4 are ready for application.

(2)install one parport
Enter the command  more  /proc/pci or lspci -v
we supply a script file "install_p",but you must be make sure I/O base address is right.
<1>get I/O base address 
[root@WCH root]# lspci -v
......
//CH352 CHIP  
01:00.0 Serial controller: Unknown device 4348:5053 (rev 10) (prog-if 02 [16550]
)
        Subsystem: Unknown device 4348:5053
        Flags: medium devsel, IRQ 10
        I/O ports at df30 [size=8]
        I/O ports at df38 [size=8]    //parport I/O base address
...... 
I/O base address=0xdf38
<2>modify script file "install_p":
#!/bin/sh
cd /lib/modules/2.4.20-8/kernel/drivers/char
rmmod lp
cd /lib/modules/2.4.20-8/kernel/drivers/parport
rmmod parport_pc
insmod parport_pc.o io=0x378,0xdf38   //parport I/O base address  
cd /lib/modules/2.4.20-8/kernel/drivers/char
insmod lp.o
warning:2.4.20-8 is my system kernel version,if your kernel is different from it,you must amend.
<3>copy install_p to /usr/sbin
<4>Open the /etc/rc.d/rc.local,then edit it.
Add  /usr/sbin/install_p
at the end of the rc.local.
<5>reboot

(3)uninstall one serial 
<1>-Remove /usr/sbin/install_s_80x86 at the end of the /etc/rc.d/rc.local.
<2>-Remove /usr/sbin/install_s_80x86.o

(4)uninstall one parport 
<1>-Remove /usr/sbin/install_p