View source for Enable Serial Console on B series TV

Find below the steps you need to follow to enable console access to your TV via a serial cable.

== The Ex-Link (serial) cable ==
*Solder yourself ( or buy ) an Ex-Link serial cable to connect to your Samsung TV. 

Example online shop which sell such [http://sewelldirect.com/DB-9-F-to-35mm-Stereo-Data-Cable.asp ex-link cable] and [http://sewelldirect.com/usb-to-serial-converter-screw-on.asp serial to usb cable]. Usb-serial adapter better to buy some cheaper version.

[[File:Exlink.gif]]

See [http://www.wiremunky.com/file/documents/exlink.gif here] for the Serial Cable specs. You can ignore the rest of the information posted there, as it is not applicable for the more recent Samsung devices.


== Configure your TV for Debug-Mode ==
*Enter Service Menu ( quickly push '''[INFO] [MENU] [MUTE] [POWER]''' on your remote control )
*Change setting for your RS232C interface to "debug" ( Control -> Sub Option -> RS-232 Jack -> [ '''Debug''' | UART | Logic ] )
=== Debug mode at older TV's like B530 series ===
*Enter Service Menu
*Enter "Advanced" menu. To activate `Advanced` menu need to type '0000'
*Advanced => ADJUST => Debug mode [OFF][Debug smart][Debug runtime]


== Terminal Connection Parameters ==
*Use following connection parameters with your terminal-client ( e.g. Kermit, Hyper Therminal or ZOC Terminal ):
 Baudrate: '''115200'''
 Data bits: '''8'''
 Parity: '''none'''
 Stop bits: '''1'''
 Flow Control: '''none'''
For Older models (like B530), you can try lower baudrates (like 9600 bps)


== Enabling Serial Input ==
*Switch on your TV ...<br>If you did everything right and everything works as expected, then you should see the boot-log on your terminal.
*Enter "'''debug'''" at the invisible prompt ... to enable your serial console.<br>You should see something like below with each keystroke
 [SERIAL INPUT MANAGE] 1-th ENABLE Magic serial input match!
 [SERIAL INPUT MANAGE] 2-th ENABLE Magic serial input match!
 [SERIAL INPUT MANAGE] 3-th ENABLE Magic serial input match!
 [SERIAL INPUT MANAGE] 4-th ENABLE Magic serial input match!
 [SERIAL INPUT MANAGE] 5-th ENABLE Magic serial input match!
 [SERIAL INPUT MANAGE] serial input ENABLE!!!!!


== Debug Menu (On CI+ Devices Too) ==
*When you enter '1198282' numbers '''twice''' instead of '''debug''' string, you will see TOP Debug Menu like that:

 ====================================
 [ TOP Debug Menu]
 ------------------------------------
 1 : SubSystem Print On/Off
 2 : Platform Print Setting
 3 : TD Print Setting
 4 : Performance Print Setting
 5 : Sdal Print Setting
 6 : Sdal Trace Setting
 10 : Factory Debug
 11 : TD Debug
 12 : SubSystem DBG
 20 : Performance File Write
 21 : Louvre Print Setting
 22 : JavaMW Print Setting
 30 : Auto Lock DBG
 ------------------------------------
 50 : ROSE Debug
 60 : MediaLink Debug
 70 : Jade Debug
 ====================================
 99 : Exit
 ====================================
 DBG> : 


=== Activating the serial console from Debug Menu ===
*Enter TOP Debug Menu
*Than enter menu numbers '''11''' : TD Debug -> '''0x04''' : spI Debug -> '''68''' : Shell
will let you drop linux shell on CI devices. Is could true for CI+ devices too. But you cannot use characters on shell of CI+ devices, because kernel filters them, only numbers and enter allowed on CI+ devices.. :(
This will do not kill exeDSP. So you don't needed to stop watchdog after dropping linux shell.

=== Activating the serial console (old way) ===
*Now you need to be fast ...
**hit '''CTRL-C''', which stops the exeDSP binary
**immediately after that enter ( you have ca. 3 seconds ... I suggest you cut&paste this command ):
 /mtd_boot/MicomCtrl 23'''
This now prevents your LED/LCD to stop and you have a command prompt of the TV-Console.


--[[User:Dynamic1969|Dynamic1969]] 16:17, 3 October 2009 (UTC)

--[[User:Erdem_ua|Erdem_ua]] 21:55, 15 January 2010 (EET)