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mod_kikpad_MPC.h
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mod_kikpad_MPC.h
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/*
__ __| | | /_) | ___| | |
| __ \ _ \ ' / | | / | _ \ __ \ | _` | __ \ __|
| | | | __/ . \ | < | | __/ | | | ( | | |\__ \
_| _| |_|\___| _|\_\_|_|\_\\____|\___|_| _| _____|\__,_|_.__/ ____/
-----------------------------------------------------------------------------
KIKPAD - Alternative firmware for the Midiplus Smartpad.
Copyright (C) 2020 by The KikGen labs.
LICENCE CREATIVE COMMONS - Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
This file is part of the KIKPAD distribution
https://github.com/TheKikGen/kikpad
Copyright (c) 2020 TheKikGen Labs team.
-----------------------------------------------------------------------------
Disclaimer.
This work is licensed under the Creative Commons Attribution-NonCommercial 4.0 International License.
To view a copy of this license, visit http://creativecommons.org/licenses/by-nc/4.0/
or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.
NON COMMERCIAL - PERSONAL USE ONLY : You may not use the material for pure
commercial closed code solution without the licensor permission.
You are free to copy and redistribute the material in any medium or format,
adapt, transform, and build upon the material.
You must give appropriate credit, a link to the github site
https://github.com/TheKikGen/USBMidiKliK4x4 , provide a link to the license,
and indicate if changes were made. You may do so in any reasonable manner,
but not in any way that suggests the licensor endorses you or your use.
You may not apply legal terms or technological measures that legally restrict
others from doing anything the license permits.
You do not have to comply with the license for elements of the material
in the public domain or where your use is permitted by an applicable exception
or limitation.
No warranties are given. The license may not give you all of the permissions
necessary for your intended use. This program is distributed in the hope that
it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
// KIKPAD_MPC : MPC control surface emulation
#ifndef _KIKPAD_MODULE_H_
#define _KIKPAD_MODULE_H_
// 4 group of 4 Qlinks
static uint8_t QLinkCurrentGroup = 0 ;
// 2 master groups of 8 qlinks
static uint8_t QLinkCurrentMasterGroup = 0 ;
///////////////////////////////////////////////////////////////////////////////
// Set Qlink group by simulating Qlink select button press
///////////////////////////////////////////////////////////////////////////////
static void SetQLinkCurrentGroup(uint8_t group) {
midiPacket_t pk;
if (group == QLinkCurrentGroup || group > 3 ) return;
if ( group > QLinkCurrentGroup )
group -=QLinkCurrentGroup;
else
group = 4 - QLinkCurrentGroup + group;
for ( uint8_t i = 0 ; i < group ; i++ ) {
// Simulate QLink select button
pk.packet[0] = 0x09 ;
pk.packet[1] = 0x90 ;
pk.packet[2] = 0X00 ;
pk.packet[3] = 0x7F ;
MidiUSB.writePacket(&pk.i);
// Released
pk.packet[3] = 0x00 ;
MidiUSB.writePacket(&pk.i);
}
}
///////////////////////////////////////////////////////////////////////////////
// PARSE A RECEIVED USB MIDI PACKET
///////////////////////////////////////////////////////////////////////////////
void KikpadMod_USBMidiParse(midiPacket_t *pk)
{
if ( pk->packet[0] == 0x0B ) {
if ( pk->packet[1] == 0xB0 ) {
switch (pk->packet[2]) {
// TAP led
case 0x35:
if ( pk->packet[3] == 0x03 ) PadSetColor(0, RED);
else PadSetColor(0, BLACK);
break;
// QLink select led
// We use QLink led # to get the current QLink set set
case 0x5A: case 0x5B: case 0x5C: case 0x5D:
if ( pk->packet[3] == 0x03 ) QLinkCurrentGroup = pk->packet[2] - 0x5A;
break;
}
}
}
return;
}
///////////////////////////////////////////////////////////////////////////////
// PARSE A RECEIVED USER EVENT
///////////////////////////////////////////////////////////////////////////////
void KikpadMod_ProcessUserEvent(UserEvent_t *ev){
// Compute time between 2 events
static unsigned long lastEventMicros = micros();
unsigned long eventDelayMicros = micros() - lastEventMicros;
lastEventMicros = micros();
// To keep track of last event
static uint8_t lastEventId = EV_NONE;
static uint8_t lastEventIdx = 0;
enum MPCControls {
// Pads first and enum starts at 0 !
MPAD1 , MPAD2 , MPAD3 , MPAD4 ,
MPAD5 , MPAD6 , MPAD7 , MPAD8 ,
MPAD9 , MPAD10, MPAD11, MPAD12,
MPAD13 , MPAD14, MPAD15, MPAD16,
_END_MPADS,
// Buttons
MSHIFT, MMENU, MMAIN, MUNDO,
MCOPY , MTAP, MREC, MOVERDUB,
MSTOP , MPLAY, MPLAY_START, MPLUS,
MMINUS, MNOTE, MFULL_LEVEL, MLEVEL_16,
MERASE, MPAD_BANKA, MPAD_BANKB, MPAD_BANKC,
MPAD_BANKD, MQLINK_SELECT,SAMPLE_EDIT, PAD_MIXER,
CH_MIXER,
_END_MBUTTONS,
MNONE = 0xFF,
} ;
// Pads & simulated buttons note on/off message value
static const uint8_t MPCPadMidiValueMap[] = {
// Pads
0x25, 0x24, 0x2A, 0X52,
0x28, 0x26, 0x2E, 0x2C,
0x30, 0x2F, 0x2D, 0x2B,
0x31, 0x37, 0x33, 0x35,
0xFF,// end pad
// Buttons
0x31, 0x7B, 0x34, 0X43,
0x7A, 0x35, 0x49, 0X50,
0x51, 0x52, 0x53, 0x36,
0x37, 0x0B, 0x27, 0x28,
0x09, 0x23, 0x24, 0x25,
0x26, 0x00, 0x06, 0x73,
0x74,
0xFF, // end buttons
};
// // Encoders touch note on/off midi msg from 1 to 8
// static const uint8_t MPCEncTouchMidiValueMap[] = {
// 0x54, 0x55, 0x56, 0x57,
// 0x58, 0x59, 0x5A, 0x5B,
// }
// Kipad MPC control affectations
static const uint8_t MPCPadsMap[] = {
MNONE, MNONE, MNONE, MNONE, MNONE, SAMPLE_EDIT, PAD_MIXER, CH_MIXER,
MNONE, MNONE, MNONE, MNONE, MNONE, MNONE, MNONE, MNONE,
MNONE, MNONE, MNONE, MNONE, MNONE, MNONE, MNONE, MNONE,
MNONE, MNONE, MNONE, MNONE, MNONE, MNONE, MNONE, MNONE,
MPAD13, MPAD14, MPAD15, MPAD16, MNONE, MNONE, MNONE, MNONE,
MPAD9, MPAD10, MPAD11, MPAD12, MNONE, MNONE, MNONE, MNONE,
MPAD5, MPAD6, MPAD7, MPAD8, MNONE, MOVERDUB, MNONE, MPLAY_START,
MPAD1, MPAD2, MPAD3, MPAD4, MNONE, MREC , MSTOP, MPLAY,
};
// Corresponding colors
static const int8_t MPCPadsColors[] = {
BLACK,BLACK,BLACK,BLACK,BLACK,RED,YELLOW,BLUE,
BLACK,BLACK,BLACK,BLACK,BLACK,BLACK,BLACK,BLACK,
BLACK,BLACK,BLACK,BLACK,BLACK,BLACK,BLACK,BLACK,
BLACK,BLACK,BLACK,BLACK,BLACK,BLACK,BLACK,BLACK,
RED ,RED ,RED ,RED ,BLACK,BLACK,BLACK,BLACK,
RED ,RED ,RED ,RED ,BLACK,BLACK,BLACK,BLACK,
RED ,RED ,RED ,RED ,BLACK,MAGENTA,BLACK,YELLOW,
RED ,RED ,RED ,RED ,BLACK,RED, BLUE, GREEN,
};
static boolean setupMode = true;
static uint8_t encoderVal[8] = {0,0,0,0,0,0,0,0};
midiPacket_t pk;
if (setupMode ) {
setupMode = false;
QLinkCurrentMasterGroup = 0 ;
ButtonsLedStates[1] = BTMSK_MS1 ;
PadColorsBackground(BLACK);
memcpy(PadColorsCurrent,MPCPadsColors,sizeof(MPCPadsColors));
RGBMaskUpdateAll();
PadLedStates[0] = PadLedStates[1] = 0XFFFFFFFF ;
if ( !ev ) return;
}
uint8_t idx = SCAN_IDX(ev->d1,ev->d2);
switch (ev->ev) {
// Encoders Clock wise
case EV_EC_CW:
{
if ( ++encoderVal[idx] > 127 ) encoderVal[idx] = 127;
SetQLinkCurrentGroup(idx / 4 + QLinkCurrentMasterGroup * 2);
uint8_t i = idx % 4;
// MPC Encoder simulate touch
pk.packet[0] = 0x09 ;
pk.packet[1] = 0x90 ;
pk.packet[2] = 0X54 + i ;
pk.packet[3] = 0x7F ;
MidiUSB.writePacket(&pk.i);
// MPC Encoder rotate right : B0 10 01
pk.packet[0] = 0x0B ;
pk.packet[1] = 0xB0 ;
pk.packet[2] = 0X10 + i ;
pk.packet[3] = 0x01 ;
MidiUSB.writePacket(&pk.i);
// MPC Encoder simulate untouch
pk.packet[0] = 0x09 ;
pk.packet[1] = 0x90 ;
pk.packet[2] = 0X54 + i ;
pk.packet[3] = 0x00 ;
MidiUSB.writePacket(&pk.i);
break;
}
// Encoders Counter Clock wise
case EV_EC_CCW:
{
if ( encoderVal[idx] > 0 ) encoderVal[idx]--;
SetQLinkCurrentGroup( idx / 4 + QLinkCurrentMasterGroup * 2);
uint8_t i = idx % 4;
// MPC Encoder simulate touch
pk.packet[0] = 0x09 ;
pk.packet[1] = 0x90 ;
pk.packet[2] = 0X54 + i ;
pk.packet[3] = 0x7F ;
MidiUSB.writePacket(&pk.i);
// MPC Encoder rotate left : B0 10 7F
pk.packet[0] = 0x0B ;
pk.packet[1] = 0xB0 ;
pk.packet[2] = 0X10 + i ;
pk.packet[3] = 0x7F ;
MidiUSB.writePacket(&pk.i);
// MPC Encoder simulate untouch
pk.packet[0] = 0x09 ;
pk.packet[1] = 0x90 ;
pk.packet[2] = 0X54 + i ;
pk.packet[3] = 0x00 ;
MidiUSB.writePacket(&pk.i);
break;
}
// Pad pressed and not released
case EV_PAD_PRESSED:
if ( MPCPadsMap[idx] < _END_MBUTTONS ) {
PadColorsBackup[idx] = PadColorsCurrent[idx];
PadSetColor(idx, WHITE);
if ( MPCPadsMap[idx] < _END_MPADS )
pk.packet[1] = 0x99;
else
pk.packet[1] = 0x90; // Pad simulating a button
pk.packet[0] = 0x09;
pk.packet[2] = MPCPadMidiValueMap[MPCPadsMap[idx]];
pk.packet[3] = 0x7F;
MidiUSB.writePacket(&pk.i);
}
break;
// Pad released
case EV_PAD_RELEASED:
if ( MPCPadsMap[idx] < _END_MBUTTONS ) {
PadSetColor(idx, PadColorsBackup[idx]);
if ( MPCPadsMap[idx] < _END_MPADS )
pk.packet[1] = 0x89;
else
pk.packet[1] = 0x80; // Pad simulating a button
pk.packet[0] = 0x08;
pk.packet[2] = MPCPadMidiValueMap[MPCPadsMap[idx]];
pk.packet[3] = 0x00;
MidiUSB.writePacket(&pk.i);
}
break;
// Button pressed and not released
case EV_BTN_PRESSED:
break;
// Button released
case EV_BTN_RELEASED:
if ( idx >= BT_VOLUME && idx <= BT_CONTROL4 ) {
// Switch off all buttons of bank 0, left bar
ButtonsLedStates[0] &= 0xFF000000;
ButtonSetLed(idx, ON);
}
else
if ( idx >= BT_MS1 && idx <= BT_MS8 ) {
// Switch off all buttons of bank 1, right bar
ButtonsLedStates[1] = 0;
ButtonSetLed(idx, ON);
if ( idx == BT_MS1 ) QLinkCurrentMasterGroup = 0;
else if ( idx == BT_MS2 ) QLinkCurrentMasterGroup = 1;
}
else
if ( idx == BT_UP ) {
}
break;
// Button pressed and holded more than 2s
case EV_BTN_HOLDED:
break;
}
// Keep track of last event
lastEventId = ev->ev;
lastEventIdx = idx;
}
///////////////////////////////////////////////////////////////////////////////
// Kikpad module setup
///////////////////////////////////////////////////////////////////////////////
static void KikpadMod_Setup() {
}
///////////////////////////////////////////////////////////////////////////////
// Kikpad module loop
///////////////////////////////////////////////////////////////////////////////
static void KikpadMod_Loop() {
}
#endif