implement modulation

This commit is contained in:
Gabriel Young 2017-02-18 05:32:55 -08:00
parent 7c5e510fe2
commit dd8f8e6bae
4 changed files with 61 additions and 206 deletions

View file

@ -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;

View file

@ -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

View file

@ -224,8 +224,12 @@ enum quantum_keycodes {
MI_SUS, // sustain
MI_PORT, // portamento
MI_SOST, // sostenuto
MI_SOFT, // soft
MI_SOFT, // soft pedal
MI_LEG, // legato
MI_MOD, // modulation
MI_MODSD, // decrease modulation speed
MI_MODSU, // increase modulation speed
#endif
// Backlight functionality

View file

@ -1180,7 +1180,7 @@ int main(void)
#ifdef MIDI_ENABLE
midi_device_process(&midi_device);
// MIDI_Task();
midi_task();
#endif
#if defined(RGBLIGHT_ANIMATIONS) & defined(RGBLIGHT_ENABLE)