Initial commit
reducing codesize by removing dependency on sprintf.
adding visual studio 2010 project files.
updating LUFA to latest version 100807.
fixing project file.
changed to ldiv
fixed a problem with unexpected tones
Merge remote branch 'upstream/master'
replacing the Tone_pitch_table[] with a simple linear equation,
which closely resembles the table.
changed int to int32_t
removing custom memcpy, memset and memcmp.
Merge remote branch 'upstream/master'
moved firmware into separate folder
pull audio pins down before calling bootloader
Added switch for bootloader location
Separated horizontal and vertical speed thresholds.
Added chirp option, SAS/TAS option, and version number.
Added function to play 8-bit PCM WAV files. There are still some issues with performance--when the GPS is active, sound becomes artifacted.
Removed WAV file play (not working) and added alarms.
Cleaned up tone ISR so it doesn't load volatile variable many times.