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Buildroot + QT on RoadRunner

ln -s /usr/share/fonts/dejavu /usr/lib/fonts
/usr/lib/qt/examples/widgets/widgets/calculator/calculator -platform linuxfb

Settaggio frame buffer

./your_app -platform linuxfb:fb=/dev/fb0:size=720x576

/usr/lib/qt/examples/widgets/widgets/calculator/calculator -platform linuxfb:fb=/dev/fb0 
/usr/lib/qt/examples/widgets/widgets/calculator/calculator -platform linuxfb:fb=/dev/fb1

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Related products

RoadRunner D2

Info Doc Buy

  • CPU Microchip SAMA5D27
  • Cortex A5 @ 500 MHz
  • Very low power consumption:
    396mW in full speed mode
    198mW at Linux prompt
    17mW in standby mode
    10mW in suspend to RAM mode
  • Armhf architecture
  • DDR3L RAM 256 MB
  • QuadSPI 0/16/64/128MB
  • Size: 40x30 mm
  • Plug-in module
  • 200 pins 0.4 mm pitch
  • TFT parallel interface
  • Boot from internal Quad SPI or external uSD/eMMC
  • Linux Kernel 5.15 LTS
  • Debian, Buildroot and Yocto
  • Open source drivers
H10

Info Doc Buy

  • Single Board Computer based on RoadRunner Linux SOM (Included)
  • Classic "Credit Card" form factor
  • Two USB Host 2.0 ports (one configurable as USB client on the USB-C connector)
  • One 10/100 Mbit/s Lan port
  • Two AcmeSensor ports
  • Double placements for 2.54mm pitch 20x2 pinstrips (not soldered) for GPIOS, SPI, I2C, Serial etc ports
  • Credit Card footprint

Info Buy

  • All the circuitries you need to test the RoadRunner SOM
  • USB host, USB device, Ethernet port, MicroSD socket
  • Test points for power consumption measurements
  • All the Roadrunner signals exposed on 2.54mm pitch pins
  • On-board supercap for RTC and backup memory circuit

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