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/ao_teleterra.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_teleterra.c')
| -rw-r--r-- | src/ao_teleterra.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/ao_teleterra.c b/src/ao_teleterra.c index 422bd06a..c697b5df 100644 --- a/src/ao_teleterra.c +++ b/src/ao_teleterra.c @@ -27,7 +27,7 @@ main(void) ao_led_init(AO_LED_RED|AO_LED_GREEN); ao_led_on(AO_LED_RED); ao_timer_init(); - ao_beep_init(); + ao_audio_init(); ao_cmd_init(); ao_usb_init(); ao_serial_init(); |