465 TT_spiralPattern
465 : TT_spiralPattern
- Author: rkarl
- Description: Creates A Controllable Spiral Pattern
- GitHub repository
- Open in 3D viewer
- Clock: 25000000 Hz
How it works
Creates a arcemedes spiral (r=theta) using vga.
How to test
Set the frequency to 25 MHz and connect a pmod to vga to work. Changing the input values alters the foreground/background and speed of the spiral.
External hardware
PMOD VGA Switches (optional for control)
IO
| # | Input | Output | Bidirectional |
|---|---|---|---|
| 0 | ui_in[0] | uo_out[0] | |
| 1 | ui_in[1] | uo_out[1] | |
| 2 | ui_in[2] | uo_out[2] | |
| 3 | ui_in[3] | uo_out[3] | |
| 4 | ui_in[4] | uo_out[4] | |
| 5 | ui_in[5] | uo_out[5] | |
| 6 | ui_in[6] | uo_out[6] | |
| 7 | ui_in[7] | uo_out[7] |