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-rw-r--r--docs/config_options.md10
-rw-r--r--docs/feature_audio.md13
2 files changed, 21 insertions, 2 deletions
diff --git a/docs/config_options.md b/docs/config_options.md
index af8602c3ff..d45592f82f 100644
--- a/docs/config_options.md
+++ b/docs/config_options.md
@@ -61,10 +61,18 @@ This is a C header file that is one of the first things included, and will persi
* COL2ROW or ROW2COL - how your matrix is configured. COL2ROW means the black mark on your diode is facing to the rows, and between the switch and the rows.
* `#define AUDIO_VOICES`
* turns on the alternate audio voices (to cycle through)
+* `#define C4_AUDIO`
+ * enables audio on pin C4
+* `#define C5_AUDIO`
+ * enables audio on pin C5
* `#define C6_AUDIO`
* enables audio on pin C6
* `#define B5_AUDIO`
- * enables audio on pin B5 (duophony is enable if both are enabled)
+ * enables audio on pin B5 (duophony is enables if one of B[5-7]_AUDIO is enabled along with one of C[4-6]_AUDIO)
+* `#define B6_AUDIO`
+ * enables audio on pin B6 (duophony is enables if one of B[5-7]_AUDIO is enabled along with one of C[4-6]_AUDIO)
+* `#define B7_AUDIO`
+ * enables audio on pin B7 (duophony is enables if one of B[5-7]_AUDIO is enabled along with one of C[4-6]_AUDIO)
* `#define BACKLIGHT_PIN B7`
* pin of the backlight - B5, B6, B7 use PWM, others use softPWM
* `#define BACKLIGHT_LEVELS 3`
diff --git a/docs/feature_audio.md b/docs/feature_audio.md
index 5b11aa3aba..eaaa2fe512 100644
--- a/docs/feature_audio.md
+++ b/docs/feature_audio.md
@@ -1,6 +1,17 @@
# Audio
-Your keyboard can make sounds! If you've got a Planck, Preonic, or basically any AVR keyboard that allows access to the C6 or B5 port (`#define C6_AUDIO` and/or `#define B5_AUDIO`), you can hook up a simple speaker and make it beep. You can use those beeps to indicate layer transitions, modifiers, special keys, or just to play some funky 8bit tunes.
+Your keyboard can make sounds! If you've got a Planck, Preonic, or basically any AVR keyboard that allows access to certain PWM-capable pins, you can hook up a simple speaker and make it beep. You can use those beeps to indicate layer transitions, modifiers, special keys, or just to play some funky 8bit tunes.
+
+Up to two simultaneous audio voices are supported, one driven by timer 1 and another driven by timer 3. The following pins can be defined as audio outputs in config.h:
+Timer 1:
+`#define B5_AUDIO`
+`#define B6_AUDIO`
+`#define B7_AUDIO`
+
+Timer 3:
+`#define C4_AUDIO`
+`#define C5_AUDIO`
+`#define C6_AUDIO`
If you add `AUDIO_ENABLE = yes` to your `rules.mk`, there's a couple different sounds that will automatically be enabled without any other configuration: