From dd8f8e6baeb1549735403edf2a2f04f07edb4bf2 Mon Sep 17 00:00:00 2001 From: Gabriel Young Date: Sat, 18 Feb 2017 05:32:55 -0800 Subject: implement modulation --- quantum/process_keycode/process_midi.c | 58 +++++++++- quantum/process_keycode/process_midi.h | 201 +-------------------------------- 2 files changed, 55 insertions(+), 204 deletions(-) (limited to 'quantum/process_keycode') diff --git a/quantum/process_keycode/process_midi.c b/quantum/process_keycode/process_midi.c index f7a8b6650..d09aa0b38 100644 --- a/quantum/process_keycode/process_midi.c +++ b/quantum/process_keycode/process_midi.c @@ -1,4 +1,5 @@ #include "process_midi.h" +#include "timer.h" typedef union { uint16_t raw; @@ -6,6 +7,7 @@ typedef union { uint8_t octave :4; uint8_t velocity :4; uint8_t channel :4; + uint8_t modulation_interval :4; }; } midi_config_t; @@ -16,6 +18,10 @@ midi_config_t midi_config; #define MIDI_TONE_COUNT (MIDI_TONE_MAX - MIDI_TONE_MIN + 1) static uint8_t tone_status[MIDI_TONE_COUNT]; +static uint8_t midi_modulation; +static int8_t midi_modulation_step; +static uint16_t midi_modulation_timer; + inline uint8_t compute_velocity(uint8_t setting) { return (setting + 1) * (128 / (MIDI_VELOCITY_MAX - MIDI_VELOCITY_MIN + 1)); @@ -26,14 +32,40 @@ void midi_init(void) midi_config.octave = MI_OCT_0 - MIDI_OCTAVE_MIN; midi_config.velocity = (MIDI_VELOCITY_MAX - MIDI_VELOCITY_MIN); midi_config.channel = 0; - #ifdef MIDI_USE_NOTE_ON_ARRAY - notes_on.length = 0; - #else + midi_config.modulation_interval = 8; + for (uint8_t i = 0; i < MIDI_TONE_COUNT; i++) { tone_status[i] = MIDI_INVALID_NOTE; } - #endif + + midi_modulation = 0; + midi_modulation_step = 0; + midi_modulation_timer = 0; +} + +void midi_task(void) +{ + if (timer_elapsed(midi_modulation_timer) < midi_config.modulation_interval) + return; + midi_modulation_timer = timer_read(); + + if (midi_modulation_step != 0) + { + dprintf("midi modulation %d\n", midi_modulation); + midi_send_cc(&midi_device, midi_config.channel, 0x1, midi_modulation); + + if (midi_modulation_step < 0 && midi_modulation < -midi_modulation_step) { + midi_modulation = 0; + midi_modulation_step = 0; + return; + } + + midi_modulation += midi_modulation_step; + + if (midi_modulation > 127) + midi_modulation = 127; + } } bool process_midi(uint16_t keycode, keyrecord_t *record) @@ -141,6 +173,24 @@ bool process_midi(uint16_t keycode, keyrecord_t *record) midi_send_cc(&midi_device, midi_config.channel, 0x43, record->event.pressed ? 127 : 0); dprintf("midi legato %d\n", record->event.pressed); return false; + case MI_MOD: + midi_modulation_step = record->event.pressed ? 1 : -1; + return false; + case MI_MODSD: + if (record->event.pressed) { + midi_config.modulation_interval++; + // prevent overflow + if (midi_config.modulation_interval == 0) + midi_config.modulation_interval--; + dprintf("midi modulation interval %d\n", midi_config.modulation_interval); + } + return false; + case MI_MODSU: + if (record->event.pressed && midi_config.modulation_interval > 0) { + midi_config.modulation_interval--; + dprintf("midi modulation interval %d\n", midi_config.modulation_interval); + } + return false; }; return true; diff --git a/quantum/process_keycode/process_midi.h b/quantum/process_keycode/process_midi.h index b0e0aeb83..66ce60b0e 100644 --- a/quantum/process_keycode/process_midi.h +++ b/quantum/process_keycode/process_midi.h @@ -5,206 +5,7 @@ #include "midi.h" void midi_init(void); - +void midi_task(void); bool process_midi(uint16_t keycode, keyrecord_t *record); -#define MIDI(n) ((n) | 0x6000) -#define MIDI12 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000 - -#define CHNL(note, channel) (note + (channel << 8)) - -#define SCALE (int8_t []){ 0 + (12*0), 2 + (12*0), 4 + (12*0), 5 + (12*0), 7 + (12*0), 9 + (12*0), 11 + (12*0), \ - 0 + (12*1), 2 + (12*1), 4 + (12*1), 5 + (12*1), 7 + (12*1), 9 + (12*1), 11 + (12*1), \ - 0 + (12*2), 2 + (12*2), 4 + (12*2), 5 + (12*2), 7 + (12*2), 9 + (12*2), 11 + (12*2), \ - 0 + (12*3), 2 + (12*3), 4 + (12*3), 5 + (12*3), 7 + (12*3), 9 + (12*3), 11 + (12*3), \ - 0 + (12*4), 2 + (12*4), 4 + (12*4), 5 + (12*4), 7 + (12*4), 9 + (12*4), 11 + (12*4), } - -#define N_CN1 (0x600C + (12 * -1) + 0 ) -#define N_CN1S (0x600C + (12 * -1) + 1 ) -#define N_DN1F (0x600C + (12 * -1) + 1 ) -#define N_DN1 (0x600C + (12 * -1) + 2 ) -#define N_DN1S (0x600C + (12 * -1) + 3 ) -#define N_EN1F (0x600C + (12 * -1) + 3 ) -#define N_EN1 (0x600C + (12 * -1) + 4 ) -#define N_FN1 (0x600C + (12 * -1) + 5 ) -#define N_FN1S (0x600C + (12 * -1) + 6 ) -#define N_GN1F (0x600C + (12 * -1) + 6 ) -#define N_GN1 (0x600C + (12 * -1) + 7 ) -#define N_GN1S (0x600C + (12 * -1) + 8 ) -#define N_AN1F (0x600C + (12 * -1) + 8 ) -#define N_AN1 (0x600C + (12 * -1) + 9 ) -#define N_AN1S (0x600C + (12 * -1) + 10) -#define N_BN1F (0x600C + (12 * -1) + 10) -#define N_BN1 (0x600C + (12 * -1) + 11) -#define N_C0 (0x600C + (12 * 0) + 0 ) -#define N_C0S (0x600C + (12 * 0) + 1 ) -#define N_D0F (0x600C + (12 * 0) + 1 ) -#define N_D0 (0x600C + (12 * 0) + 2 ) -#define N_D0S (0x600C + (12 * 0) + 3 ) -#define N_E0F (0x600C + (12 * 0) + 3 ) -#define N_E0 (0x600C + (12 * 0) + 4 ) -#define N_F0 (0x600C + (12 * 0) + 5 ) -#define N_F0S (0x600C + (12 * 0) + 6 ) -#define N_G0F (0x600C + (12 * 0) + 6 ) -#define N_G0 (0x600C + (12 * 0) + 7 ) -#define N_G0S (0x600C + (12 * 0) + 8 ) -#define N_A0F (0x600C + (12 * 0) + 8 ) -#define N_A0 (0x600C + (12 * 0) + 9 ) -#define N_A0S (0x600C + (12 * 0) + 10) -#define N_B0F (0x600C + (12 * 0) + 10) -#define N_B0 (0x600C + (12 * 0) + 11) -#define N_C1 (0x600C + (12 * 1) + 0 ) -#define N_C1S (0x600C + (12 * 1) + 1 ) -#define N_D1F (0x600C + (12 * 1) + 1 ) -#define N_D1 (0x600C + (12 * 1) + 2 ) -#define N_D1S (0x600C + (12 * 1) + 3 ) -#define N_E1F (0x600C + (12 * 1) + 3 ) -#define N_E1 (0x600C + (12 * 1) + 4 ) -#define N_F1 (0x600C + (12 * 1) + 5 ) -#define N_F1S (0x600C + (12 * 1) + 6 ) -#define N_G1F (0x600C + (12 * 1) + 6 ) -#define N_G1 (0x600C + (12 * 1) + 7 ) -#define N_G1S (0x600C + (12 * 1) + 8 ) -#define N_A1F (0x600C + (12 * 1) + 8 ) -#define N_A1 (0x600C + (12 * 1) + 9 ) -#define N_A1S (0x600C + (12 * 1) + 10) -#define N_B1F (0x600C + (12 * 1) + 10) -#define N_B1 (0x600C + (12 * 1) + 11) -#define N_C2 (0x600C + (12 * 2) + 0 ) -#define N_C2S (0x600C + (12 * 2) + 1 ) -#define N_D2F (0x600C + (12 * 2) + 1 ) -#define N_D2 (0x600C + (12 * 2) + 2 ) -#define N_D2S (0x600C + (12 * 2) + 3 ) -#define N_E2F (0x600C + (12 * 2) + 3 ) -#define N_E2 (0x600C + (12 * 2) + 4 ) -#define N_F2 (0x600C + (12 * 2) + 5 ) -#define N_F2S (0x600C + (12 * 2) + 6 ) -#define N_G2F (0x600C + (12 * 2) + 6 ) -#define N_G2 (0x600C + (12 * 2) + 7 ) -#define N_G2S (0x600C + (12 * 2) + 8 ) -#define N_A2F (0x600C + (12 * 2) + 8 ) -#define N_A2 (0x600C + (12 * 2) + 9 ) -#define N_A2S (0x600C + (12 * 2) + 10) -#define N_B2F (0x600C + (12 * 2) + 10) -#define N_B2 (0x600C + (12 * 2) + 11) -#define N_C3 (0x600C + (12 * 3) + 0 ) -#define N_C3S (0x600C + (12 * 3) + 1 ) -#define N_D3F (0x600C + (12 * 3) + 1 ) -#define N_D3 (0x600C + (12 * 3) + 2 ) -#define N_D3S (0x600C + (12 * 3) + 3 ) -#define N_E3F (0x600C + (12 * 3) + 3 ) -#define N_E3 (0x600C + (12 * 3) + 4 ) -#define N_F3 (0x600C + (12 * 3) + 5 ) -#define N_F3S (0x600C + (12 * 3) + 6 ) -#define N_G3F (0x600C + (12 * 3) + 6 ) -#define N_G3 (0x600C + (12 * 3) + 7 ) -#define N_G3S (0x600C + (12 * 3) + 8 ) -#define N_A3F (0x600C + (12 * 3) + 8 ) -#define N_A3 (0x600C + (12 * 3) + 9 ) -#define N_A3S (0x600C + (12 * 3) + 10) -#define N_B3F (0x600C + (12 * 3) + 10) -#define N_B3 (0x600C + (12 * 3) + 11) -#define N_C4 (0x600C + (12 * 4) + 0 ) -#define N_C4S (0x600C + (12 * 4) + 1 ) -#define N_D4F (0x600C + (12 * 4) + 1 ) -#define N_D4 (0x600C + (12 * 4) + 2 ) -#define N_D4S (0x600C + (12 * 4) + 3 ) -#define N_E4F (0x600C + (12 * 4) + 3 ) -#define N_E4 (0x600C + (12 * 4) + 4 ) -#define N_F4 (0x600C + (12 * 4) + 5 ) -#define N_F4S (0x600C + (12 * 4) + 6 ) -#define N_G4F (0x600C + (12 * 4) + 6 ) -#define N_G4 (0x600C + (12 * 4) + 7 ) -#define N_G4S (0x600C + (12 * 4) + 8 ) -#define N_A4F (0x600C + (12 * 4) + 8 ) -#define N_A4 (0x600C + (12 * 4) + 9 ) -#define N_A4S (0x600C + (12 * 4) + 10) -#define N_B4F (0x600C + (12 * 4) + 10) -#define N_B4 (0x600C + (12 * 4) + 11) -#define N_C5 (0x600C + (12 * 5) + 0 ) -#define N_C5S (0x600C + (12 * 5) + 1 ) -#define N_D5F (0x600C + (12 * 5) + 1 ) -#define N_D5 (0x600C + (12 * 5) + 2 ) -#define N_D5S (0x600C + (12 * 5) + 3 ) -#define N_E5F (0x600C + (12 * 5) + 3 ) -#define N_E5 (0x600C + (12 * 5) + 4 ) -#define N_F5 (0x600C + (12 * 5) + 5 ) -#define N_F5S (0x600C + (12 * 5) + 6 ) -#define N_G5F (0x600C + (12 * 5) + 6 ) -#define N_G5 (0x600C + (12 * 5) + 7 ) -#define N_G5S (0x600C + (12 * 5) + 8 ) -#define N_A5F (0x600C + (12 * 5) + 8 ) -#define N_A5 (0x600C + (12 * 5) + 9 ) -#define N_A5S (0x600C + (12 * 5) + 10) -#define N_B5F (0x600C + (12 * 5) + 10) -#define N_B5 (0x600C + (12 * 5) + 11) -#define N_C6 (0x600C + (12 * 6) + 0 ) -#define N_C6S (0x600C + (12 * 6) + 1 ) -#define N_D6F (0x600C + (12 * 6) + 1 ) -#define N_D6 (0x600C + (12 * 6) + 2 ) -#define N_D6S (0x600C + (12 * 6) + 3 ) -#define N_E6F (0x600C + (12 * 6) + 3 ) -#define N_E6 (0x600C + (12 * 6) + 4 ) -#define N_F6 (0x600C + (12 * 6) + 5 ) -#define N_F6S (0x600C + (12 * 6) + 6 ) -#define N_G6F (0x600C + (12 * 6) + 6 ) -#define N_G6 (0x600C + (12 * 6) + 7 ) -#define N_G6S (0x600C + (12 * 6) + 8 ) -#define N_A6F (0x600C + (12 * 6) + 8 ) -#define N_A6 (0x600C + (12 * 6) + 9 ) -#define N_A6S (0x600C + (12 * 6) + 10) -#define N_B6F (0x600C + (12 * 6) + 10) -#define N_B6 (0x600C + (12 * 6) + 11) -#define N_C7 (0x600C + (12 * 7) + 0 ) -#define N_C7S (0x600C + (12 * 7) + 1 ) -#define N_D7F (0x600C + (12 * 7) + 1 ) -#define N_D7 (0x600C + (12 * 7) + 2 ) -#define N_D7S (0x600C + (12 * 7) + 3 ) -#define N_E7F (0x600C + (12 * 7) + 3 ) -#define N_E7 (0x600C + (12 * 7) + 4 ) -#define N_F7 (0x600C + (12 * 7) + 5 ) -#define N_F7S (0x600C + (12 * 7) + 6 ) -#define N_G7F (0x600C + (12 * 7) + 6 ) -#define N_G7 (0x600C + (12 * 7) + 7 ) -#define N_G7S (0x600C + (12 * 7) + 8 ) -#define N_A7F (0x600C + (12 * 7) + 8 ) -#define N_A7 (0x600C + (12 * 7) + 9 ) -#define N_A7S (0x600C + (12 * 7) + 10) -#define N_B7F (0x600C + (12 * 7) + 10) -#define N_B7 (0x600C + (12 * 7) + 11) -#define N_C8 (0x600C + (12 * 8) + 0 ) -#define N_C8S (0x600C + (12 * 8) + 1 ) -#define N_D8F (0x600C + (12 * 8) + 1 ) -#define N_D8 (0x600C + (12 * 8) + 2 ) -#define N_D8S (0x600C + (12 * 8) + 3 ) -#define N_E8F (0x600C + (12 * 8) + 3 ) -#define N_E8 (0x600C + (12 * 8) + 4 ) -#define N_F8 (0x600C + (12 * 8) + 5 ) -#define N_F8S (0x600C + (12 * 8) + 6 ) -#define N_G8F (0x600C + (12 * 8) + 6 ) -#define N_G8 (0x600C + (12 * 8) + 7 ) -#define N_G8S (0x600C + (12 * 8) + 8 ) -#define N_A8F (0x600C + (12 * 8) + 8 ) -#define N_A8 (0x600C + (12 * 8) + 9 ) -#define N_A8S (0x600C + (12 * 8) + 10) -#define N_B8F (0x600C + (12 * 8) + 10) -#define N_B8 (0x600C + (12 * 8) + 11) -#define N_C8 (0x600C + (12 * 8) + 0 ) -#define N_C8S (0x600C + (12 * 8) + 1 ) -#define N_D8F (0x600C + (12 * 8) + 1 ) -#define N_D8 (0x600C + (12 * 8) + 2 ) -#define N_D8S (0x600C + (12 * 8) + 3 ) -#define N_E8F (0x600C + (12 * 8) + 3 ) -#define N_E8 (0x600C + (12 * 8) + 4 ) -#define N_F8 (0x600C + (12 * 8) + 5 ) -#define N_F8S (0x600C + (12 * 8) + 6 ) -#define N_G8F (0x600C + (12 * 8) + 6 ) -#define N_G8 (0x600C + (12 * 8) + 7 ) -#define N_G8S (0x600C + (12 * 8) + 8 ) -#define N_A8F (0x600C + (12 * 8) + 8 ) -#define N_A8 (0x600C + (12 * 8) + 9 ) -#define N_A8S (0x600C + (12 * 8) + 10) -#define N_B8F (0x600C + (12 * 8) + 10) -#define N_B8 (0x600C + (12 * 8) + 11) - #endif \ No newline at end of file -- cgit v1.2.3-24-g4f1b