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by Markus1981
Thu Jul 11, 2019 7:01 pm
Forum: Advanced users
Topic: Anyone cross compiled QT for the Pi 4 yet.
Replies: 24
Views: 2126

Re: Anyone cross compiled QT for the Pi 4 yet.

So i got QT compiled and i managed to launch my programm with EGLFS from the command line with a sh script called start.sh #!/bin/sh export QT_QPA_EGLFS_KMS_CONFIG=/home/pi/eglfs.json cd /opt/MyProgram ./MyProgram I am trying to launch the script at startup via systemd like i used to on my Pi3 (whic...
by Markus1981
Wed Mar 06, 2019 8:27 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: Self made canbus board only working at 500kbs but not 1 Mbs
Replies: 4
Views: 635

Re: Self made canbus board only working at 500kbs but not 1 Mbs

Sorry for the late reply . I found my fault and it was a stupid one .
I connected R3 to Pin5 instead of Pin8 on the MCP2551 therefore the slope control was not connected .
by Markus1981
Wed Feb 20, 2019 6:14 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: Self made canbus board only working at 500kbs but not 1 Mbs
Replies: 4
Views: 635

Self made canbus board only working at 500kbs but not 1 Mbs

Good day everyone I have designed a can bus board for my application which i based of the PICAN2 schematics . The board is inteded to be used with a racecar ECU with a 1Mbs CAN bus - My configuration is correct , when put the Pican on and configure to 1Mbs ==> Perfect communication - I also modified...
by Markus1981
Tue Feb 20, 2018 8:34 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: HOW TO Connect CAN Module with Level Shifter
Replies: 1
Views: 515

HOW TO Connect CAN Module with Level Shifter

Hi I have read through various posts with regards to using a cheap can Module like the NiRen MCP2515 boards that are available for cheap on ebay . Now obviously these are made for 5V and not 3.3V so i would use a 8 channel Level shifter . I made a quick schematic and wanted to know if this is the co...
by Markus1981
Thu Feb 25, 2016 12:43 pm
Forum: Other projects
Topic: Cases for Pi and 7" touch screen?
Replies: 49
Views: 30100

Re: Cases for Pi and 7" touch screen?

Hi Guys i really love this case and also would like to modify it to install this on my RX-7 as dashmounted screen . Please can someone email me the STL files ? I love this design

Markus.ippy1981 at gmail.com
by Markus1981
Mon May 19, 2014 5:35 am
Forum: General discussion
Topic: how to shrink rootfs and img file
Replies: 2
Views: 1667

how to shrink rootfs and img file

Hi I made a image with some programs in it for myself , that i want to back up . How can i make the image smaller ? I deleted all unneccesary programms from the original raspbian image and installed the programms i need . Here are my two problems : 1. The used space by the distro is now 1.59 GB but ...
by Markus1981
Tue Apr 01, 2014 5:26 pm
Forum: General discussion
Topic: Start X program in terminal at boot without x desktop
Replies: 11
Views: 9239

Re: Start X program in terminal at boot without x desktop

Thanks for the useful tips . I managed to auto login into terminal . Also my program starts directly from terminal with the command . "Startx /home/pi/mtx/default/run.sh" The only thing that's left to do now is to execute this command automatically . What's the easiest way to do this ? Like I said I...
by Markus1981
Tue Apr 01, 2014 8:42 am
Forum: General discussion
Topic: Start X program in terminal at boot without x desktop
Replies: 11
Views: 9239

Start X program in terminal at boot without x desktop

Hello Guys I have a RPI and getting a software developed for my car tuning ECU . This is the only program i want to run on my RPI . I would like to boot up the program automatically at startup , without the need to boot into X Desktop (Like XBMC does ) . The program uses a single window . I am using...
by Markus1981
Tue Nov 26, 2013 8:28 am
Forum: General programming discussion
Topic: Car gauges (non OBD )
Replies: 0
Views: 1306

Car gauges (non OBD )

Hi I am relatively new to Linux and programming . I want to Programm digital gauges for my car , i have a tuning ECU in that i can read out via Serial port to USB . The basic code to read all the values out i already got ( VB script in excel that polls the sensors found here : http://kaele.com/~kash...

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