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Added support for audio using pins C4, C5, B6, B7

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Michael L. Walker
2018-04-12 08:16:35 -07:00
committed by Jack Humbert
parent 5319667c55
commit 22215a0e92
3 changed files with 137 additions and 78 deletions
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10
docs/config_options.md
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@ -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`

13
docs/feature_audio.md
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@ -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:

192
quantum/audio/audio.c
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