==========================================================================================
=                                                                                        =
=                  WCH Multi-I/O Board Driver Installation Guide                         =
=                                                                                        =
=                            For Kernel 2.4 & 2.6 & 3.x & 5.x                            =
=                   Copyright 2014 WCH GROUP all right reserved                          =
=                                                                   Version: 3.0.0.1     =
=                                                                   Date: 2014/06/18     =
==========================================================================================

Item

A. Release note

B. Introduction

C. Distributions test

D. Installation

   D.1 Driver install
   D.2 Device node creation
	
E. Loading driver automatic after system bootup
   
   E.1 
    RedHat 8
    Fedora Core 1
    Fedora Core 8
    Fedora Core 10
    Fedora Core 11
    Mandriva 2008
       		
   E.2 
    Suse 9.3
    SuSE 11.2 Milestone 4

   E.3 
    Ubutu 8.04 Destop
    Ubuntu 12.04 Destop
    Ubuntu 13.10 Destop
	
   E.4 
    Turbo Liunx 10
    Red Hat Enterprise Liunx 4.0
       
   E.5 
    Others	

F. Utility

   F.1 wchterm

==========================================================================================

A. Release note

	Support kernel 2.4, 2.6 and 3.x on x86 machine only. Distributions test refer to item C. 
	Before driver installation. Make sure system with c compiler and kernel development 
	package.   
				
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B. Introduction

	Maximum 2 boards can be installed in combination(up to 64 serial port), 
	support wch multi i/o boards as list below.

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C. Distributions test

	Driver tested with distributions as list.

  	RedHat 8
  	Fedora Core 1	
  	Fedora Core 8
  	Fedora Core 10
  	Fedora Core 11
	Fedora Core 22
  	Mandriva 2008
  	Turbo Liunx 10
  	Red Hat Enterprise Liunx 4.0 
  	Suse 9.3
  	SuSE 11.2 Milestone 4
  	Ubutu 8.04 Desktop
  	Ubuntu 12.04 Desktop
        Ubuntu 13.10 Desktop
	Ubuntu 14.04 Desktop

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D. Installation
	
	D.1 Driver install
		Please create a directory under root directory,  e.g /temp, do commands:

		# cd /
		# mkdir temp

		After get driver file "ch38x.tar.gz". Copy file to /temp
		directory, then extract and install, do commands:

		# cp ch38x.tar.gz /temp 
		# cd /temp
		# tar xvfz ch38x.tar.gz
		# cd /temp/driver
		# make clean ; make install

		*************************************************************
		* If system is Suse 9.0 and errors occur when               *
		* "make clean ; make install", do commands:                 *
		*                                                           *
		* # cd /usr/src/linux/                                      *
		* # make cloneconfig                                        *
		* # make dep                                                * 
		*                                                           *
		* then do "make clean ; make install" again in /temp/driver *
		*************************************************************

		Load driver module, do command:

		# modprobe wch
		or
		# insmod /temp/ch38x/driver/wch.ko (wch.o for kernel 2.4)

		Check driver module, do command:
		# lsmod | grep wch

		Unload driver, do command:
		# rmmod wch


	D.2 Device node creation 
		Each serial port has one device node which is named "ttyWCH?",
		maximum up to 256 serial ports.
		
		This setup will be done when do "make clean ; make install", if
		device nodes aren't in /dev, try again. 

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E. Loading driver automatic after system bootup

  	
	E.1 
	    After finish item D. Edit /etc/rc.d/rc.local for loading driver 
	    automatic after system bootup. Use vi or other editor to open rc.local, 
	    and add "modprobe wch" in last line.


	E.2 
	    After finish item D.
	    Edit /etc/rc.d/boot.local for loading driver automatic after system bootup. 
	    Use vi or other	editor to open boot.local, and add "modprobe wch" in last line.
	    Edit /etc/rc.d/halt.lAfter finish item D. Edit /etc/rc.d/rc.local for loading driver 
	    automatic after system bootup. Use vi or other editor to open rc.local, 
	    and add "modprobe wch" in last line.ocal for unloading driver when system halt. 
	    Use vi or other editor to open halt.local, and add "rmmod wch" in last line.
	    
	    
	E.3 
	    After finish item D. Edit /etc/init.d/rc.local for loading driver 
	    automatic after system bootup. Use vi or other editor to open rc.local, 
	    and add words as below in last line.
				
			modprobe wch
		
	E.4 
	    After finish item D. Edit /etc/rc.d/rc.local for loading driver 
	    automatic after system bootup. Use vi or other editor to open rc.local, 
	    and add words as below in last lien. 
		
			modprobe wch
		
		
	E.5 
	    In general, other distributions will loading driver automatic after system bootup.		
	    If it doesn't, please refer to item E.1 or E.2. or E.3 or E.4
				
				
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F. Utility
	F1. wchterm - dumb terminal for test tty device node data transmitting and receiving, do command:

		# wchterm

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