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| author | Keith Packard <keithp@keithp.com> | 2010-10-31 00:38:39 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2010-10-31 00:38:39 -0700 |
| commit | 3493b456399bcc0ea43d28fd4105928bd8793cff (patch) | |
| tree | 869bc731152146632fc55cf9df7d4d6f125e8b68 /src/ao_flash.c | |
| parent | 3f53e5daeca4d9257aef017594fd65b379b97a1e (diff) | |
teleterra: Add PWM audio system
This uses timers 3 and 4 to emit 8-bit 11025Hz audio using a 93.8kHz
carrier. A simple low-pass filter to eliminate the 93.8kHz signal
results in credible 8-bit audio.
There is a giant sample for testing in the ao_audio code which shouldn't
be included in a product.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/ao_flash.c')
0 files changed, 0 insertions, 0 deletions