Re: PPP object questions

Shawn,
> 
> Hello.  I would like to understand how to more effectively use the PPP
> object.  I am confused about the points brought up in these emails:
> 
> http://lists.dalsemi.com/maillists/tini/2003-July/028179.html

The ACCM is a bit map used to escape the 32 ASCII control characters in
the range 0x00 to 0x1f. The ACCM is a 32 bit field where bit 0
represents the character 0x00. A bit value of 1 enables and a value of 0
disables escaping of a character. The default is to escape all 32
characters, an ACCM of 0xffffffff. For a link that can handle arbitrary
data a value of 0x00000000 can be used. For a link using XON/XOFF flow
control a value of 0x000a0000 will escape characters 0x11(XON) and
0x13(XOFF). 

If your link is using XON/XOFF flow control use setLocalACCM and
setRemoteACCM to set an ACCM of 0x000a0000. The setting of an ACCM value
is not dependent on server/client operation. 


> http://lists.dalsemi.com/maillists/tini/2003-July/028177.html

freePort() forces the PPP native library to release the serial port
object. This allows the serial port object to be used by the application
again. The application should not read or write to the serial port
between the up() and and freePort() methods. 

The next two methods need to be called if you are going to release the
handle of the current PPP object and create a new PPP object. This is
the case when an application creates a new PPP object for each new
connection. If the application reuses a single PPP object for the
lifetime of the application these method do not need to be used. These
methods release native resources that would normally be released in a
finalize method. In the case of reusing the PPP object, the native
resources will be released when the application exits or is killed. The
use of a single PPP object is recommended.

finish() terminates a sleeping read thread within the PPP native object,
kills an internal timer thread and kills an internal queue thread.

freeNativeInterface() releases native resources used by the PPP object.
This should be the last of the methods called.


Because of the bank 7 size limit the PPPCommand was removed from the
optional Slush commands. 

> 
> Thanks,
>         -Shawn
> 
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Jesse
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