Design Example: Ti375 C529 Development Kit Design

Efinix preloads the Titanium Ti375 C529 Development Board with an example design that demonstrates the following functions:

• Using CPU 0 to calculate the moving positions of a spinning donut and render the image through the UART
• Using CPU 1 to make an alternate blink on 5 LEDs to show a running light effect by blinking the LEDs in an alternate pattern

The Spinning Donut Program

This program was invented by Andy Sloane in 2006. It draws a spinning donut in ASCII characters and sends the data through a UART to a PC terminal. Andy Sloane explained the math behind the program to do the 3D rendering and its movement in his article, Donut math: how donut.c works.

The Running Light Program

This program demonstrates that the quad-core RISC-V example design is actively running on the development board. The LEDs light up in series with a short delay between each one. the default direction is from left to right.

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