Implements an SPI master to drive an animation with overlapping green/blue waves and a moving white diagonal. Some 7-segment wires are used for a ‘sanity check’ animation.
Wire accordingly and use a clock up to 12.5 KHz. Asynchronous reset is synchronized to the clock.
| # | Input | Output |
|---|---|---|
| 0 | clock | SCLK |
| 1 | reset | MOSI |
| 2 | none | segment c |
| 3 | none | segment d |
| 4 | none | segment e |
| 5 | none | nCS |
| 6 | none | segment g |
| 7 | none | none (always high) |