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* Branch point for 2020 November 28 Breaking Change * Remove matrix_col_t to allow MATRIX_ROWS > 32 (#10183) * Add support for soft serial to ATmega32U2 (#10204) * Change MIDI velocity implementation to allow direct control of velocity value (#9940) * Add ability to build a subset of all keyboards based on platform. * Actually use eeprom_driver_init(). * Make bootloader_jump weak for ChibiOS. (#10417) * Joystick 16-bit support (#10439) * Per-encoder resolutions (#10259) * Share button state from mousekey to pointing_device (#10179) * Add hotfix for chibios keyboards not wake (#10088) * Add advanced/efficient RGB Matrix Indicators (#8564) * Naming change. * Support for STM32 GPIOF,G,H,I,J,K (#10206) * Add milc as a dependency and remove the installed milc (#10563) * ChibiOS upgrade: early init conversions (#10214) * ChibiOS upgrade: configuration file migrator (#9952) * Haptic and solenoid cleanup (#9700) * XD75 cleanup (#10524) * OLED display update interval support (#10388) * Add definition based on currently-selected serial driver. (#10716) * New feature: Retro Tapping per key (#10622) * Allow for modification of output RGB values when using rgblight/rgb_matrix. (#10638) * Add housekeeping task callbacks so that keyboards/keymaps are capable of executing code for each main loop iteration. (#10530) * Rescale both ChibiOS and AVR backlighting. * Reduce Helix keyboard build variation (#8669) * Minor change to behavior allowing display updates to continue between task ticks (#10750) * Some GPIO manipulations in matrix.c change to atomic. (#10491) * qmk cformat (#10767) * [Keyboard] Update the Speedo firmware for v3.0 (#10657) * Maartenwut/Maarten namechange to evyd13/Evy (#10274) * [quantum] combine repeated lines of code (#10837) * Add step sequencer feature (#9703) * aeboards/ext65 refactor (#10820) * Refactor xelus/dawn60 for Rev2 later (#10584) * add DEBUG_MATRIX_SCAN_RATE_ENABLE to common_features.mk (#10824) * [Core] Added `add_oneshot_mods` & `del_oneshot_mods` (#10549) * update chibios os usb for the otg driver (#8893) * Remove HD44780 References, Part 4 (#10735) * [Keyboard] Add Valor FRL TKL (+refactor) (#10512) * Fix cursor position bug in oled_write_raw functions (#10800) * Fixup version.h writing when using SKIP_VERSION=yes (#10972) * Allow for certain code in the codebase assuming length of string. (#10974) * Add AT90USB support for serial.c (#10706) * Auto shift: support repeats and early registration (#9826) * Rename ledmatrix.h to match .c file (#7949) * Split RGB_MATRIX_ENABLE into _ENABLE and _DRIVER (#10231) * Split LED_MATRIX_ENABLE into _ENABLE and _DRIVER (#10840) * Merge point for 2020 Nov 28 Breaking Change
88 lines
5.8 KiB
Markdown
88 lines
5.8 KiB
Markdown
# Sequencer
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Since QMK has experimental support for MIDI, you can now turn your keyboard into a [step sequencer](https://en.wikipedia.org/wiki/Music_sequencer#Step_sequencers)!
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!> **IMPORTANT:** This feature is highly experimental, it has only been tested on a Planck EZ so far. Also, the scope will be limited to support the drum machine use-case to start with.
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## Enable the step sequencer
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Add the following line to your `rules.mk`:
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```make
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SEQUENCER_ENABLE = yes
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```
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By default the sequencer has 16 steps, but you can override this setting in your `config.h`:
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```c
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#define SEQUENCER_STEPS 32
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```
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## Tracks
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You can program up to 8 independent tracks with the step sequencer. Select the tracks you want to edit, enable or disable some steps, and start the sequence!
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## Resolutions
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While the tempo defines the absolute speed at which the sequencer goes through the steps, the resolution defines the granularity of these steps (from coarser to finer).
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|Resolution |Description |
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|---------- |----------- |
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|`SQ_RES_2` |Every other beat |
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|`SQ_RES_2T` |Every 1.5 beats |
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|`SQ_RES_4` |Every beat |
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|`SQ_RES_4T` |Three times per 2 beats|
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|`SQ_RES_8` |Twice per beat |
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|`SQ_RES_8T` |Three times per beat |
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|`SQ_RES_16` |Four times per beat |
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|`SQ_RES_16T` |Six times per beat |
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|`SQ_RES_32` |Eight times per beat |
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## Keycodes
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|Keycode |Description |
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|------- |----------- |
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|`SQ_ON` |Start the step sequencer |
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|`SQ_OFF` |Stop the step sequencer |
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|`SQ_TOG` |Toggle the step sequencer playback |
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|`SQ_SALL`|Enable all the steps |
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|`SQ_SCLR`|Disable all the steps |
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|`SQ_S(n)`|Toggle the step `n` |
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|`SQ_TMPD`|Decrease the tempo |
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|`SQ_TMPU`|Increase the tempo |
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|`SQ_R(n)`|Set the resolution to n |
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|`SQ_RESD`|Change to the slower resolution |
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|`SQ_RESU`|Change to the faster resolution |
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|`SQ_T(n)`|Set `n` as the only active track or deactivate all |
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## Functions
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|Function |Description |
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|-------- |----------- |
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|`bool is_sequencer_on(void);` |Return whether the sequencer is playing |
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|`void sequencer_toggle(void);` |Toggle the step sequencer playback |
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|`void sequencer_on(void);` |Start the step sequencer |
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|`void sequencer_off(void);` |Stop the step sequencer |
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|`bool is_sequencer_step_on(uint8_t step);` |Return whether the step is currently enabled |
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|`void sequencer_set_step(uint8_t step, bool value);` |Enable or disable the step |
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|`void sequencer_set_step_on();` |Enable the step |
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|`void sequencer_set_step_off();` |Disable the step |
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|`void sequencer_toggle_step(uint8_t step);` |Toggle the step |
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|`void sequencer_set_all_steps(bool value);` |Enable or disable all the steps |
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|`void sequencer_set_all_steps_on();` |Enable all the steps |
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|`void sequencer_set_all_steps_off();` |Disable all the steps |
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|`uint8_t sequencer_get_tempo(void);` |Return the current tempo |
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|`void sequencer_set_tempo(uint8_t tempo);` |Set the tempo to `tempo` (between 1 and 255) |
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|`void sequencer_increase_tempo(void);` |Increase the tempo |
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|`void sequencer_decrease_tempo(void);` |Decrease the tempo |
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|`sequencer_resolution_t sequencer_get_resolution(void);` |Return the current resolution |
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|`void sequencer_set_resolution(sequencer_resolution_t resolution);` |Set the resolution to `resolution` |
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|`void sequencer_increase_resolution(void);` |Change to the faster resolution |
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|`void sequencer_decrease_resolution(void);` |Change to the slower resolution |
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|`bool is_sequencer_track_active(uint8_t track);` |Return whether the track is active |
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|`void sequencer_set_track_activation(uint8_t track, bool value);` |Activate or deactivate the `track` |
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|`void sequencer_toggle_track_activation(uint8_t track);` |Toggle the `track` |
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|`void sequencer_activate_track(uint8_t track);` |Activate the `track` |
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|`void sequencer_deactivate_track(uint8_t track);` |Deactivate the `track` |
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|`void sequencer_toggle_single_active_track(uint8_t track);` |Set `track` as the only active track or deactivate all |
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