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It is related to XCSoar with CAN implementation.

SteFly Remote-Knüppelgriff

We need to implement something that handles the speed command switch.

Key sequence from the Remote-Knüppelgriff

== Speed:
event at 1640083843.602031, code 04, type 04, val 458977
event at 1640083843.602031, code 42, type 01, val 01
event at 1640083843.602031, code 04, type 04, val 458777
event at 1640083843.602031, code 47, type 01, val 01
event at 1640083843.602031, code 00, type 00, val 00
event at 1640083843.603018, code 04, type 04, val 458977
event at 1640083843.603018, code 42, type 01, val 00
event at 1640083843.603018, code 04, type 04, val 458777
event at 1640083843.603018, code 47, type 01, val 00
event at 1640083843.603018, code 00, type 00, val 00
V


== Vario:
event at 1640083896.862303, code 04, type 04, val 458977
event at 1640083896.862303, code 42, type 01, val 01
event at 1640083896.862303, code 04, type 04, val 458774
event at 1640083896.862303, code 31, type 01, val 01
event at 1640083896.862303, code 00, type 00, val 00
event at 1640083896.863330, code 04, type 04, val 458977
event at 1640083896.863330, code 42, type 01, val 00
event at 1640083896.863330, code 04, type 04, val 458774
event at 1640083896.863330, code 31, type 01, val 00
event at 1640083896.863330, code 00, type 00, val 00
S


== CANaerospace message 1510 to generate:
  can0  5E6   [5]  01 0A 00 3C 00
    	            |  |  |  |  |
  	            |  |  |  |  +---- 0=vario, 1=speed
  	            |  |  |  +------- Message Code (UCHAR)
  	            |  |  +---------- Service Code (xCHAR*)
  	            |  +------------- Data Type (UCHAR)=0A
  	            +---------------- Node-ID (UCHAR)

Currently, set fix (maximum ?) on hardware.

Implement 'something' (background program, DTS, driver ...) to generate key press for the following buttons connected to the Colibri as following:

Buttons

Implement 'something' (background program, DTS, driver ...) to generate key press for the following rotary knobs connected to the Colibri as following:

Rotary knobs

Since XCSoar uses the C++20 feature, we can't compile anymore, the yocto BSP 2.8 comes with gcc 7.3.

Possible solutions:

1. Update yocto BSP 2.8 to a newer gcc compiler version (i.e. version 10.0)
   → It is not recommended by Toradex. Probably too may side effects.
2. Add a secondary toolchain yocto BSP 2.8 with a gcc 11
   → Mixing different toolchains is something hard to accomplish, but not impossible.
3. Cross compile and link XCSoar static on another host. XCSoar would be independent of the libs present in the module’s OS. Similar to TARGET=KOBO.
   → Seems a promising way to go.
4. Update Yocto Project to Kirkstone
   → Would need to replace Colibri T20 with Colibri iMX6, which should be pin compatible.

So we need a new target: TARGET=COLIBRI which would be similar with KOBO or upgrade Yocto Project to Kirkstone.

For example, download airspace data:
CURL failed: SSL certificate problem: certificate has expired

• Setup a todo list
• XCSoar: start on boot
• XCSoar: CAN device menu, remove speed setting
• XCSoar: investigate map jitter
• glide: test on Display L hardware
• glide: create a mini maintenance menu
• glide: maintenance menu: upload XCSoar site files
• glide: maintenance menu: update XCSoar
• glide: maintenance menu: download igc files from vario
• glide: maintenance better menu
• glide: detect idle and lower backlight power

We need a patch (for arch/arm/mach-tegra/board-colibri_t30.c ?) to get the CAN device working. BTW it works with the Colibri Evaluation Board. See the wiring differences between Evaluation Board and Display-L Board: