mirror of https://github.com/probonopd/MiniDexed
https://github.com/probonopd/MiniDexed/issues/53#issuecomment-1074356700 Thanks @rsta2pull/57/head
probonopd
2 years ago
committed by
GitHub
parent
3f4768dfc5
commit
e5c60e1ac0
@ -0,0 +1,442 @@ |
||||
//
|
||||
// userinterface.cpp
|
||||
//
|
||||
// MiniDexed - Dexed FM synthesizer for bare metal Raspberry Pi
|
||||
// Copyright (C) 2022 The MiniDexed Team
|
||||
//
|
||||
// This program is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// 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. See the
|
||||
// GNU General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
//
|
||||
#include "userinterface.h" |
||||
#include "minidexed.h" |
||||
#include <circle/logger.h> |
||||
#include <circle/string.h> |
||||
#include <circle/startup.h> |
||||
#include <stdio.h> |
||||
#include <string.h> |
||||
#include <string> |
||||
#include <assert.h> |
||||
|
||||
LOGMODULE ("ui"); |
||||
|
||||
CUserInterface::CUserInterface (CMiniDexed *pMiniDexed, CGPIOManager *pGPIOManager, CConfig *pConfig) |
||||
: m_pMiniDexed (pMiniDexed), |
||||
m_pGPIOManager (pGPIOManager), |
||||
m_pConfig (pConfig), |
||||
m_pLCD (0), |
||||
m_pLCDBuffered (0), |
||||
m_pRotaryEncoder (0), |
||||
m_UIMode (UIModeVoiceSelect), |
||||
m_nTG (0) |
||||
{ |
||||
for (unsigned nTG = 0; nTG < CConfig::ToneGenerators; nTG++) |
||||
{ |
||||
m_nBank[nTG] = 0; |
||||
m_nProgram[nTG] = 0; |
||||
m_nVolume[nTG] = 0; |
||||
m_nPan[nTG] = 64; |
||||
m_nMasterTune[nTG] = 0; |
||||
m_uchMIDIChannel[nTG] = CMIDIDevice::Disabled; |
||||
} |
||||
} |
||||
|
||||
CUserInterface::~CUserInterface (void) |
||||
{ |
||||
delete m_pRotaryEncoder; |
||||
delete m_pLCDBuffered; |
||||
delete m_pLCD; |
||||
} |
||||
|
||||
bool CUserInterface::Initialize (void) |
||||
{ |
||||
assert (m_pConfig); |
||||
|
||||
if (m_pConfig->GetLCDEnabled ()) |
||||
{ |
||||
m_pLCD = new CHD44780Device (CConfig::LCDColumns, CConfig::LCDRows, |
||||
m_pConfig->GetLCDPinData4 (), |
||||
m_pConfig->GetLCDPinData5 (), |
||||
m_pConfig->GetLCDPinData6 (), |
||||
m_pConfig->GetLCDPinData7 (), |
||||
m_pConfig->GetLCDPinEnable (), |
||||
m_pConfig->GetLCDPinRegisterSelect (), |
||||
m_pConfig->GetLCDPinReadWrite ()); |
||||
assert (m_pLCD); |
||||
|
||||
if (!m_pLCD->Initialize ()) |
||||
{ |
||||
return false; |
||||
} |
||||
|
||||
m_pLCDBuffered = new CWriteBufferDevice (m_pLCD); |
||||
assert (m_pLCDBuffered); |
||||
|
||||
LCDWrite ("\x1B[?25l\x1B""d+"); // cursor off, autopage mode
|
||||
|
||||
LOGDBG ("LCD initialized"); |
||||
} |
||||
|
||||
if (m_pConfig->GetEncoderEnabled ()) |
||||
{ |
||||
m_pRotaryEncoder = new CKY040 (m_pConfig->GetEncoderPinClock (), |
||||
m_pConfig->GetEncoderPinData (), |
||||
m_pConfig->GetEncoderPinSwitch (), |
||||
m_pGPIOManager); |
||||
assert (m_pRotaryEncoder); |
||||
|
||||
if (!m_pRotaryEncoder->Initialize ()) |
||||
{ |
||||
return false; |
||||
} |
||||
|
||||
m_pRotaryEncoder->RegisterEventHandler (EncoderEventStub, this); |
||||
|
||||
LOGDBG ("Rotary encoder initialized"); |
||||
} |
||||
|
||||
return true; |
||||
} |
||||
|
||||
void CUserInterface::Process (void) |
||||
{ |
||||
if (m_pLCDBuffered) |
||||
{ |
||||
m_pLCDBuffered->Update (); |
||||
} |
||||
} |
||||
|
||||
void CUserInterface::BankSelected (unsigned nBankLSB, unsigned nTG) |
||||
{ |
||||
assert (nBankLSB < 128); |
||||
assert (nTG < CConfig::ToneGenerators); |
||||
m_nBank[nTG] = nBankLSB; |
||||
|
||||
assert (m_pMiniDexed); |
||||
std::string BankName = m_pMiniDexed->GetSysExFileLoader ()->GetBankName (nBankLSB); |
||||
|
||||
// MIDI numbering starts with 0, user interface with 1
|
||||
printf ("TG%u: Select voice bank %u: \"%s\"\n", nTG+1, nBankLSB+1, BankName.c_str ()); |
||||
|
||||
if ( m_UIMode == UIModeBankSelect |
||||
&& m_nTG == nTG) |
||||
{ |
||||
CString TG; |
||||
TG.Format ("TG%u", nTG+1); |
||||
|
||||
CString String; |
||||
String.Format ("%u", nBankLSB+1); |
||||
|
||||
DisplayWrite (TG, "BANK", String, BankName.c_str ()); |
||||
} |
||||
} |
||||
|
||||
void CUserInterface::ProgramChanged (unsigned nProgram, unsigned nTG) |
||||
{ |
||||
assert (nProgram < 128); |
||||
assert (nTG < CConfig::ToneGenerators); |
||||
m_nProgram[nTG] = nProgram; |
||||
|
||||
nProgram++; // MIDI numbering starts with 0, user interface with 1
|
||||
|
||||
assert (m_pMiniDexed); |
||||
std::string VoiceName = m_pMiniDexed->GetVoiceName (nTG); |
||||
|
||||
printf ("TG%u: Loading voice %u: \"%s\"\n", nTG+1, nProgram, VoiceName.c_str ()); |
||||
|
||||
if ( m_UIMode == UIModeVoiceSelect |
||||
&& m_nTG == nTG) |
||||
{ |
||||
CString TG; |
||||
TG.Format ("TG%u", nTG+1); |
||||
|
||||
CString String; |
||||
String.Format ("%u", nProgram); |
||||
|
||||
DisplayWrite (TG, "VOICE", String, VoiceName.c_str ()); |
||||
} |
||||
} |
||||
|
||||
void CUserInterface::VolumeChanged (unsigned nVolume, unsigned nTG) |
||||
{ |
||||
assert (nVolume < 128); |
||||
assert (nTG < CConfig::ToneGenerators); |
||||
m_nVolume[nTG] = nVolume; |
||||
|
||||
if ( m_UIMode == UIModeVolume |
||||
&& m_nTG == nTG) |
||||
{ |
||||
CString TG; |
||||
TG.Format ("TG%u", nTG+1); |
||||
|
||||
char VolumeBar[CConfig::LCDColumns+1]; |
||||
memset (VolumeBar, 0xFF, sizeof VolumeBar); // 0xFF is the block character
|
||||
VolumeBar[nVolume * CConfig::LCDColumns / 127] = '\0'; |
||||
|
||||
DisplayWrite (TG, "VOLUME", VolumeBar); |
||||
} |
||||
} |
||||
|
||||
void CUserInterface::PanChanged (unsigned nPan, unsigned nTG) |
||||
{ |
||||
assert (nPan < 128); |
||||
assert (nTG < CConfig::ToneGenerators); |
||||
m_nPan[nTG] = nPan; |
||||
|
||||
if ( m_UIMode == UIModePan |
||||
&& m_nTG == nTG) |
||||
{ |
||||
CString TG; |
||||
TG.Format ("TG%u", nTG+1); |
||||
|
||||
char PanMarker[CConfig::LCDColumns+1]; |
||||
memset (PanMarker, '.', CConfig::LCDColumns); |
||||
PanMarker[CConfig::LCDColumns] = '\0'; |
||||
unsigned nIndex = nPan * CConfig::LCDColumns / 127; |
||||
if (nIndex == CConfig::LCDColumns) |
||||
{ |
||||
nIndex--; |
||||
} |
||||
PanMarker[nIndex] = '\xFF'; |
||||
|
||||
DisplayWrite (TG, "PAN", PanMarker); |
||||
} |
||||
} |
||||
|
||||
void CUserInterface::MasterTuneChanged (int nMasterTune, unsigned nTG) |
||||
{ |
||||
assert (-99 <= nMasterTune && nMasterTune <= 99); |
||||
assert (nTG < CConfig::ToneGenerators); |
||||
m_nMasterTune[nTG] = nMasterTune; |
||||
|
||||
if ( m_UIMode == UIModeMasterTune |
||||
&& m_nTG == nTG) |
||||
{ |
||||
CString TG; |
||||
TG.Format ("TG%u", nTG+1); |
||||
|
||||
CString String; |
||||
String.Format ("%d", nMasterTune); |
||||
|
||||
DisplayWrite (TG, "MASTER TUNE", "DETUNE", (const char *) String); |
||||
} |
||||
} |
||||
|
||||
void CUserInterface::MIDIChannelChanged (uint8_t uchChannel, unsigned nTG) |
||||
{ |
||||
assert (nTG < CConfig::ToneGenerators); |
||||
m_uchMIDIChannel[nTG] = uchChannel; |
||||
|
||||
if ( m_UIMode == UIModeMIDI |
||||
&& m_nTG == nTG) |
||||
{ |
||||
CString TG; |
||||
TG.Format ("TG%u", nTG+1); |
||||
|
||||
CString String; |
||||
switch (uchChannel) |
||||
{ |
||||
case CMIDIDevice::OmniMode: String = "OMNI"; break; |
||||
case CMIDIDevice::Disabled: String = "OFF"; break; |
||||
|
||||
default: |
||||
String.Format ("%u", (unsigned) uchChannel+1); |
||||
break; |
||||
} |
||||
|
||||
DisplayWrite (TG, "MIDI", "CHANNEL", (const char *) String); |
||||
} |
||||
} |
||||
|
||||
void CUserInterface::DisplayWrite (const char *pInstance, const char *pMenu, |
||||
const char *pParam, const char *pValue) |
||||
{ |
||||
assert (pInstance); |
||||
assert (pMenu); |
||||
assert (pParam); |
||||
|
||||
// Do not show instance, if there is only one.
|
||||
if (CConfig::ToneGenerators == 1) |
||||
{ |
||||
pInstance = ""; |
||||
} |
||||
|
||||
CString Msg ("\x1B[H"); // cursor home
|
||||
|
||||
// first line
|
||||
Msg.Append (pInstance); |
||||
|
||||
size_t nLen = strlen (pInstance) + strlen (pMenu); |
||||
if (nLen < CConfig::LCDColumns) |
||||
{ |
||||
for (unsigned i = CConfig::LCDColumns-nLen; i > 0; i--) |
||||
{ |
||||
Msg.Append (" "); |
||||
} |
||||
} |
||||
|
||||
Msg.Append (pMenu); |
||||
|
||||
// second line
|
||||
CString ParamValue (pParam); |
||||
if (pValue) |
||||
{ |
||||
ParamValue.Append ("="); |
||||
ParamValue.Append (pValue); |
||||
} |
||||
|
||||
Msg.Append (ParamValue); |
||||
|
||||
if (ParamValue.GetLength () < CConfig::LCDColumns) |
||||
{ |
||||
Msg.Append ("\x1B[K"); // clear end of line
|
||||
} |
||||
|
||||
LCDWrite (Msg); |
||||
} |
||||
|
||||
void CUserInterface::LCDWrite (const char *pString) |
||||
{ |
||||
if (m_pLCDBuffered) |
||||
{ |
||||
m_pLCDBuffered->Write (pString, strlen (pString)); |
||||
} |
||||
} |
||||
|
||||
void CUserInterface::EncoderEventHandler (CKY040::TEvent Event) |
||||
{ |
||||
int nStep = 0; |
||||
|
||||
switch (Event) |
||||
{ |
||||
case CKY040::EventClockwise: |
||||
nStep = 1; |
||||
break; |
||||
|
||||
case CKY040::EventCounterclockwise: |
||||
nStep = -1; |
||||
break; |
||||
|
||||
case CKY040::EventSwitchClick: |
||||
m_UIMode = static_cast <TUIMode> (m_UIMode+1); |
||||
if (m_UIMode == UIModeUnknown) |
||||
{ |
||||
m_UIMode = UIModeStart; |
||||
} |
||||
break; |
||||
|
||||
case CKY040::EventSwitchDoubleClick: |
||||
if (++m_nTG == CConfig::ToneGenerators) |
||||
{ |
||||
m_nTG = 0; |
||||
} |
||||
break; |
||||
|
||||
case CKY040::EventSwitchHold: |
||||
if (m_pRotaryEncoder->GetHoldSeconds () >= 3) |
||||
{ |
||||
delete m_pLCD; // reset LCD
|
||||
|
||||
reboot (); |
||||
} |
||||
else |
||||
{ |
||||
m_UIMode = UIModeStart; |
||||
m_nTG = 0; |
||||
} |
||||
break; |
||||
|
||||
default: |
||||
return; |
||||
} |
||||
|
||||
switch (m_UIMode) |
||||
{ |
||||
case UIModeBankSelect: |
||||
if (m_nBank[m_nTG] + nStep < 128) |
||||
{ |
||||
m_pMiniDexed->BankSelectLSB (m_nBank[m_nTG] + nStep, m_nTG); |
||||
} |
||||
break; |
||||
|
||||
case UIModeVoiceSelect: |
||||
if (m_nProgram[m_nTG] + nStep < 32) |
||||
{ |
||||
m_pMiniDexed->ProgramChange (m_nProgram[m_nTG] + nStep, m_nTG); |
||||
} |
||||
break; |
||||
|
||||
case UIModeVolume: { |
||||
const int Increment = 128 / CConfig::LCDColumns; |
||||
|
||||
int nVolume = m_nVolume[m_nTG] + nStep*Increment; |
||||
if (nVolume < 0) |
||||
{ |
||||
nVolume = 0; |
||||
} |
||||
else if (nVolume > 127) |
||||
{ |
||||
nVolume = 127; |
||||
} |
||||
|
||||
m_pMiniDexed->SetVolume (nVolume, m_nTG); |
||||
} break; |
||||
|
||||
case UIModePan: { |
||||
const int Increment = 128 / CConfig::LCDColumns; |
||||
|
||||
int nPan = m_nPan[m_nTG] + nStep*Increment; |
||||
if (nPan < 0) |
||||
{ |
||||
nPan = 0; |
||||
} |
||||
else if (nPan > 127) |
||||
{ |
||||
nPan = 127; |
||||
} |
||||
|
||||
m_pMiniDexed->SetPan (nPan, m_nTG); |
||||
} break; |
||||
|
||||
case UIModeMasterTune: { |
||||
int nMasterTune = m_nMasterTune[m_nTG] + nStep; |
||||
if (nMasterTune < -99) |
||||
{ |
||||
nMasterTune = -99; |
||||
} |
||||
else if (nMasterTune > 99) |
||||
{ |
||||
nMasterTune = 99; |
||||
} |
||||
|
||||
m_pMiniDexed->SetMasterTune (nMasterTune, m_nTG); |
||||
} break; |
||||
|
||||
case UIModeMIDI: |
||||
if ((uint8_t) (m_uchMIDIChannel[m_nTG] + nStep) < CMIDIDevice::ChannelUnknown) |
||||
{ |
||||
m_pMiniDexed->SetMIDIChannel (m_uchMIDIChannel[m_nTG] + nStep, m_nTG); |
||||
} |
||||
break; |
||||
|
||||
default: |
||||
break; |
||||
} |
||||
} |
||||
|
||||
void CUserInterface::EncoderEventStub (CKY040::TEvent Event, void *pParam) |
||||
{ |
||||
CUserInterface *pThis = static_cast<CUserInterface *> (pParam); |
||||
assert (pThis != 0); |
||||
|
||||
pThis->EncoderEventHandler (Event); |
||||
} |
||||
Loading…
Reference in new issue