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Refer to carrier board user manual for the Linux console cable connection. Then launch and setting the terminal as follow:

Minicom

It's a simple terminal program, easy to configure and use. Can be downloaded and installed from your Linux package distribution (Synaptic, apt-get, yum)

Minicom is a terminal emulation that can access a remote serial console enabling the configuration of Bootloader or the flash file system of the board.

Set the Serial Port

Launch the program in the terminal :

minicom -s

In menu, choose Serial Port Setup

Below, the configuration option:

+-----------------------------------------------------------------------+
| A -    Serial Device      : /dev/ttyUSB0                              |
| B - Lockfile Location     : /var/lock                                 |
| C -   Callin Program      :                                           |
| D -  Callout Program      :                                           |
| E -    Bps/Par/Bits       : 115200 8N1                                |
| F - Hardware Flow Control : No                                        |
| G - Software Flow Control : No                                        |
|                                                                       |
|    Change which setting?                                              |
+-----------------------------------------------------------------------+

Type the letter of option to enable the modification.

Remember to choose the right Serial Device, and then choose Exit.

Setting up the u-boot devicetree variables for Engicam boards.

Power on the board and stop on the u-boot command line prompt.

To stop the automatic booting of the pre-installed kernel, you must send a character to the serial port by pressing a key from the serial console connected to the target (See the hardware manual for serial port connection).

Once the u-Boot is stopped, you can send the commands to set the right devicetree for your board.

I.E. :

Suppose to have an openframe 7 inch with the microdev board connected.

The commands to send for devicetree configuiration are:

setenv fdt_file microgea-mx6ull-microdev-yes7.dtb
saveenv

Below a table with all the devicetree used:

Microdev

Board Devicetree
Microdev Openframe 7' microgea-mx6ull-microdev-yes7.dtb
Microdev Openframe 10.1' microgea-mx6ull-microdev-yes10.dtb
Microdev no LCD microgea-mx6ull-microdev.dtb

i.Coremx6 solo /dl

Board Devicetree
Resistive starterkit icoremx6dl-starterkit.dtb
Capacitive starterkit icoremx6dl-starterkit-cap.dtb
Openframe 7 cap ampire icoremx6dl-amp-ofcap7.dtb
C.Touch 10 icoremx6dl-ofcap10.dtb
C.Touch 7 icoremx6dl-ofcap7.dtb

i.Coremx6 dual /quad

Board Devicetree
Resistive starterkit icoremx6q-starterkit.dtb
Capacitive starterkit icoremx6q-starterkit-cap.dtb
Openframe 7 cap ampire icoremx6q-amp-ofcap7.dtb
C.Touch 10 icoremx6q-ofcap10.dtb
C.Touch 7 icoremx6q-ofcap7.dtb

10 December 2018

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