Lichee RV Dock D1
Lichee RV Dock is a RISC-V Linux development kit. It expands the module’s usable interfaces by providing an HDMI port with support for up to 4K@30fps output, a 40-pin header with GPIO and power switches, among other things, plus headers and connectors that you can use for speakers, microphones, and more. It supports RGB and MIPI screen interfaces with its screen convert board. There is an onboard 2.4G WIFI+BT module, a 2.4G Patch antenna, an IPEX connector, and a USB Type-A host. The highest network speed is up to 30Mbps (with RTL8723DS), and the average network bandwidth is about 20Mbps.
For software, Lichee RV Dock supports Tina Linux, Debian Officially, and also Ubuntu/OpenSUSE, RustSBI community.
The features of high integration, small size, affordable price, and open-source are suitable for developers exploring more interesting Linux applications. No more waiting and soldering, it greatly shortens the developer’s research and development time by just simply connecting the kit to the display devices and input devices such as a keyboard or a mouse(only available on the Debian system).
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Adafruit Blinka Installation
We use a special library called adafruit_blinka (named after Blinka, the CircuitPython mascot) to provide the layer that translates the CircuitPython hardware API to whatever library the Linux board provides.
For example, on Raspberry Pi we use the python RPi.GPIO library. For any I2C interfacing we'll use ioctl messages to the /dev/i2c device. For SPI we'll use the spidev python library, etc. These details don't matter so much because they all happen underneath the adafruit_blinka layer.