diff options
| 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/Makefile.proto | |
| 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/Makefile.proto')
| -rw-r--r-- | src/Makefile.proto | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/Makefile.proto b/src/Makefile.proto index 2365030b..1a590969 100644 --- a/src/Makefile.proto +++ b/src/Makefile.proto @@ -149,6 +149,7 @@ TT_MAIN_SRC = \ ao_teleterra.c TT_TASK_SRC = \ + ao_audio.c \ ao_terraui.c # |