Simple port of wispy-curses (in wispy-tools-1.0 from: http://kismetwireless.net/code/wispy-tools-1.0.tar.gz ) spectrum analysis visualisation to the Cypress CYWM6935 running with ATmega128 on the scrying (http://scrying.org) platform.
On one side: http://1010.co.uk/xxxxx_cywm.c
And on the ATmega128: http://1010.co.uk/spectrumtest.c