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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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- 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
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- 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
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- 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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