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by Barri
Tue Feb 09, 2016 8:03 pm
Forum: Bare metal, Assembly language
Topic: Ultibo core a bare metal environment for Raspberry Pi
Replies: 65
Views: 22820

Re: Ultibo core a bare metal environment for Raspberry Pi

Is it possible to use c++ code together with ultibo ?
by Barri
Sun Jan 17, 2016 7:11 pm
Forum: Bare metal, Assembly language
Topic: Circle - C++ bare metal environment (with USB)
Replies: 242
Views: 68047

Re: Circle - C++ bare metal environment (with USB)

My first tests using the motorola lapdock and circle are positiv. HDMI and keyboard are working. For the CLogger console working on the screen I checked different screen resolutions in the file cmdline.txt: width=640 height=480 // ok width=800 height=600 // ok, but I get no more screen line count as...
by Barri
Sat Jan 02, 2016 5:43 pm
Forum: Bare metal, Assembly language
Topic: Circle - C++ bare metal environment (with USB)
Replies: 242
Views: 68047

Re: Circle - C++ bare metal environment (with USB)

Looking for a hdmi ready display points me to the Motorola Lapdock. http://www.ebay.de/itm/MOTOROLA-LAPDOCK-STATION-FUR-ATRIX-TOUCHPAD-TASTATUR-29-5cm-11-6-DISPLAY-NEU-/140754258558?hash=item20c59b8a7e:g:YC8AAOSwxH1UHlVE sorry for german websites: http://www.stefanjunger.de/2013/08/04/raspberry-pi-a...
by Barri
Sun Dec 27, 2015 4:23 pm
Forum: Bare metal, Assembly language
Topic: Circle - C++ bare metal environment (with USB)
Replies: 242
Views: 68047

Re: Circle - C++ bare metal environment (with USB)

Thank you, after I added a: m_pActLED->Blink (3); // show we understand reboot request reboot(); and correct my errors on the index.html page I can reboot the raspberry from the webpage (started then the dwelch armjtag code from the sd-card, slow blinking). In openocd telnet a simple: halt load_imag...
by Barri
Fri Dec 25, 2015 11:45 am
Forum: Bare metal, Assembly language
Topic: Circle - C++ bare metal environment (with USB)
Replies: 242
Views: 68047

Re: Circle - C++ bare metal environment (with USB)

For learning I used very well raspberry PI 1 B model + dwelch armjtag + openocd with ulink 1 (keil). Now I inserted in 21-webserver a reset button which calls the circle reboot() function (using the watchdog). But there are some issues. The reboot command is not working in this combination. It seems...
by Barri
Sun Dec 06, 2015 12:30 pm
Forum: Bare metal, Assembly language
Topic: Circle - C++ bare metal environment (with USB)
Replies: 242
Views: 68047

Re: Circle - C++ bare metal environment (with USB)

Which kind of display can i use with the Circle C++ project ?

- normal hdmi display - ok
- a lcd display with spi control ?

like this

http://www.sainsmart.com/sainsmart-3-5- ... 2-b-b.html

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