iziqondiso ze-PICO MIDI SysEx Patcher

Ulwazi Lomkhiqizo

• I-PICO MIDI SysEx Patcher eyenziwe nge-baritonomarchetto iyisixazululo sehadiwe esenzelwe ukukhulisa ukuhleleka kwe-vin.tagama-synthesizer angenakho ukuhleleka. Isekelwe ebhodini le-microcontroller ye-Raspberry Pi Pico futhi inesibonisi se-LED esakhelwe ngaphakathi, izishumeki ezijikelezayo ezimbili ezinezinkinobho zokucindezela ezakhelwe ngaphakathi, kanye nenkinobho yokusunduza. Kufaka futhi okokufaka kwe-MIDI kokusebenza kwe-serial kanye ne-firmware evulekile. Umhleli angabekwa phakathi kwesilawuli esiyinhloko kanye nesihlanganisi ukuze kuvunyelwe izinguquko zesikhathi sangempela samapharamitha ngenkathi idlala ukulandelana, kanye nokudluliselwa kwanoma yimuphi omunye umlayezo we-MIDI ukusuka kusilawuli esiyinhloko ukuya ku-synth eqondiwe.
• I-PICO MIDI SysEx Patcher isekela ama-vin amaningitage-synths, ehlanganisa u-Roland Alpha Juno (1/2), Korg DW8000/EX8000, kanye ne-Oberheim Matrix 6/6R (> 2.14 firmware).

Imiyalo yokusetshenziswa komkhiqizo

1. Xhuma i-PICO MIDI SysEx Patcher phakathi kwesilawuli sakho esiyinhloko ne-vintage-synthesizer ofuna ukuyenzela isichibi.
2. Vula isilawuli esiyinhloko kanye ne-vintage synthesizer.
3. Sebenzisa izishumeki ezimbili ezijikelezayo ukuze uzulazule futhi uguqule amapharamitha ngesikhathi sangempela ngenkathi udlala ukulandelana.
4. Sebenzisa inkinobho yokusunduza ukuze uthumele noma yimuphi omunye umlayezo we-MIDI usuka kusilawuli esiyinhloko uye ku-synth eqondiwe.
5. Bheka kumanuwali yomsebenzisi ukuze uthole ulwazi oluningiliziwe mayelana nendlela yokusebenzisa isibonisi nokuthi amapharamitha aqoqwa kanjani ezingeni lesofthiwe.
   Qaphela: Qiniseka ukuthi i-vin yakhotagI-e synth isekelwa yi-PICO MIDI SysEx Patcher ngaphambi kokuyisebenzisa. Futhi, bheka isigaba sezincazelo zezingxenyekazi zekhompuyutha zemanuwali yomsebenzisi ukuze uthole ulwazi mayelana nezingxenye ezidingekayo nokuthi zingahlanganiswa kanjani.

MAYELANA NOMKHIQIZO

• Nginendawo ethambile yevintagama-synthesizer. Isigcawu samanje sokukhiqiza umculo siyajabulisa, ungangizwa kabi, kodwa ngizithola ngidlala ngamakhibhodi “aphelelwe yisikhathi” kakhulu.
• Okunye okusibuyisela emuva ngezinsimbi kusukela maphakathi nawo-80s kwesinye isikhathi ukuntuleka kokuhleleka. Ukuhlela ezinye zazo kungaba yisicefe, futhi iqiniso lokuthi ama-software ezinkampani zangaphandle ngokuvamile awasekeli umthetho olandelwayo we-SysEx akusizi.
• Kunezindlela ezimbili zokubhekana nale nkinga noma kunjalo: isoftware (ubani othe Ctrl?) kanye nehadiwe.
• Akudingeki ukusho, sibhekene nesixazululo sehadiwe lapha.
• Sengike (ngicabanga) ukuthi sengikukhulisile ukuhleleka kwamanye amathuluzi ayisithonjana kusukela enkathini yegolide njenge-Roland a-Juno, i-Oberheim Matrix 6, i-Korg DW8000, i-SCI Multitrack nezinye ezine-combi SysEx programmer kanye nesequencer esekelwe ku-arduino MEGA. Ukulutheka kwami ​​kwakamuva ebhodini le-Raspberry Pi Pico microcontroller kungenze ngacabanga emuva ukuthi ngingaluxazulula kanjani lolu daba.
• I-Raspberry Pi Pico iyi-microcontroller eshibhile futhi enamandla futhi iyintandokazi yami, muva nje. Ngiyisebenzisela amaphrojekthi amasha, kodwa futhi nokuvakashela kabusha iphrojekthi yami endala.
• Njengoba imingcele yenkumbulo ye-IC ingasekho (kodwa inani elilinganiselwe lama-GPIO) ngigcine ngokuba nokuthile okunokuxhumana okuhlukile kakhulu nokusebenza: ngokuphathelene nephrojekthi yangaphambilini.
• Kungcono? Okubi kakhulu? Uyanquma 🙂

Izimpahla

Kulandela uMthethosivivinywa Wezinto Zokusebenza (BOM):

• Ama-Microcontroller, ama-IC, Isibonisi
  • I-1x Raspberry Pico (30 GPIO clone)
  • 1x 6N138 optocoupler
  • 1x 1602A isibonisi se-LED
• Ama-Capacitors, ama-Resistors, nama-trimmers
  • 3x 220 ohm resistor
  • 1x 330 ohm resistor
  • 1x 10K ohm resistor
  • 2x 1000 ohm izilungisi
    1x 100nF i-nonpolarized capacitor
• Ama-Diodes nama-encoder
  • I-1x 1N4148 diode
  • I-1x 1N4004 diode
  • 2x izifaki khodi ezikhulayo
• Abanye
  • 2x ama-pot knobs (uma uthanda)
  • 1x DC umgqomo
  • 1x B3F 4050 inkinobho yesikhashana ye-Omron
  • 2x MIDI (DIN 5) izixhumi

IZAKHIWO ZOMKHIQIZO

UKUFAKA UMYALELO

Isinyathelo 1: Izici Zomhleli

• Imisebenzi eyinhloko yomklami we-PICO MIDI SysEx yile:
  • Isibonisi se-LED esakhelwe ngaphakathi
  • Ukusebenza okulula okunamakhodi amabili kuphela e-rotary kanye nenkinobho yokuphusha
  • Okokufaka kwe-MIDI, kokusebenza kwe-serial
  • Vula i-Firmware
• Yebo, ngokobuchwepheshe lezo zishumeki ezijikelezayo zinenkinobho yokucindezela eyakhelwe ngaphakathi futhi empeleni ziyasebenza, ngakho-ke ukubala kwezinkinobho “kuthathu”, hhayi “okukodwa”.
• Umhleli wohlelo kufanele abekwe phakathi kwesilawuli sakho esiyinhloko kanye ne-synthesizer ofuna ukusenzela isiqeshana.
• Lokhu kwenza kube khona ukushintshwa kwesikhathi sangempela kwamapharamitha ngenkathi udlala ukulandelana kanye nokudluliswa kwanoma yimuphi omunye umlayezo we-MIDI ofuna ukuwuletha usuka kusilawuli esiyinhloko uye ku-synth eqondiwe.
• Okwamanje ama-synth asekelwayo yilawa:
  • U-Roland Alpha Juno (1/2)
  • Korg DW8000/EX8000
  • I-Oberheim Matrix 6/6R (> 2.14 rmware)
• Njengoba kuchazwe ngokwezwi nezwi kakhulu ezinyathelweni ezimbalwa ezilandelayo, isibonisi kanye nokuqoqwa kwamapharamitha ezingeni lesofthiwe kudlala indima enkulu kule phrojekthi. Qhubeka ufunde ukuze uthole imininingwane eyengeziwe 🙂

Isinyathelo sesi-2: Incazelo yezingxenyekazi zekhompuyutha

• Isixhumi esibonakalayo
  • Kulo mhleli bengifuna ukusebenzisa indlela ehlukile ngokuphathelene nephrojekthi yangaphambilini: Izakhi zesixhumi esibonakalayo zigcinwa okungenani, zinezishumeki ezikhulayo ezijikelezayo ezimbili kuphela nenkinobho yemenyu (kulungile: izinkinobho ezintathu).
  • Kungase kubonakale kuyisinyathelo esibuyela emuva ekunciphiseni inani lamafindo kumhleli ozalwa ukuze abhekane nokushoda kokuhleleka kwamaphakathi no-'80s synths. Hhayi uma ucabangela i-sinergy nge-rmware lapho wonke amapharamitha ahlukaniswe ngokunengqondo (bona Isinyathelo esilandelayo) nesibonisi se-LED esibonisa ngesikhathi sangempela ipharamitha yepharamitha ye-patch, igama kanye nenani.
• Isibonisi se-LED
  Isibonisi se-LED esinosayizi ozwakalayo senza ukupeshishwa kube mnandi kakhulu, ikakhulukazi uma ufuna ukuchitha isikhathi kukho. Iphrojekthi yami yangaphambilini yomhleli wehadiwe ifakwe isibonisi esincane se-OLED. Kwanele kuleyo hardware ngoba ulwazi olubonisiwe lukhawulelwe ezicini zokulandelana, kodwa kulokhu wonke amagama wepharamitha yesichibi ayabonakala, ngaphandle kwesidingo seshidi lokuqhathanisa.
• I-Microcontroller
  • Njengoba kushiwo, isilawuli esincane esisetshenziswayo yi-Raspberry Pi Pico. Lesi silawuli esincane sinamandla kokubili ngokwamandla ekhompyutha (afinyelela ku-133Mhz, i-dual core) nokugcinwa kwememori (kufika ku-16Mb). Lokho kukhulu - ngokwezindinganiso zanamuhla - inkumbulo ivumela ukufaka izintambo ze-verbose ku-rmware, okwenza indlela entsha yamukeleke.
  • I-Raspberry Pi Pico nayo ishibhile, okwamanje, soo…
• I-MIDI
  • Womabili amasekhethi e-MIDI IN kanye ne-MIDI OUT akhelwe ngaphakathi.
  • I-MIDI OUT iyimpoqo ukuze ukwazi ukuthumela imilayezo ye-MIDI futhi ayikho indlela engeke ishiywe ngaphandle.
  • I-MIDI IN iyadingeka futhi, ngoba i-synth ayikwazanga ukwamukela imilayezo evela kunoma iyiphi enye insimbi (okungukuthi ikhibhodi eyinhloko noma i-DAW) uma umhleli exhunyiwe. Lokhu kusho ukuthi izigaba zokuchibiyela nokulandelanisa zizohlukaniswa/zihluke. Ngesekhethi eyakhelwe ngaphakathi ye-MIDI IN ungaba nakho kokubili ukulandelana okusebenzayo kanye nethuba lokulungisa isichibi ngesikhathi esisodwa (okungukuthi ungathumela ukushanela okuhle ngesikhathi sangempela).
  • Isekethe ye-MIDI IN iyisekhethi ehlukanisiwe ne-opto ehlonipha imininingwane yenhlangano ye-MIDI. Akukho okusha phansi kwelanga.
• Ukunikezwa kwamandla kagesi
  • Umhleli we-SysEx anganikwa amandla ngezindlela ezimbili ezihlukene: ngqo kusuka kusixhumi se-USB-C sebhodi le-microcontroller, noma ngokusebenzisa umgqomo we-DC ofakwe kwi-PCB. Zombili zisemthethweni, kodwa ngingathanda okwakamuva ngoba:
    1. umgqomo we-DC uqine kakhulu
    2. I-DC barrel input ixhunywe ngokuqondile nolayini we-PICO's +5V (leyo ebizwa ngokuthi “iphinikhodi ye-Vsys”) edlula eyangaphakathi.
       ukuvikelwa kwe-diode ochungechungeni.
  • Kufanele kusetshenziswe i-PSU evumayo emaphakathi. Ngisho noma i-diode ephambene yokuvikela i-polarity ikhona, awufuni ukusebenzisa i-polarity ehlanekezelwe ngoba ingalimaza i-PSU yakho (hhayi umhleli ngenxa yokushoda kokuvikela kwe-diode GND kanye +5V esimweni esinjalo).
• Ibhodi le-Microcontroller
  Sengivele ngicule izindumiso zebhodi le-Raspberry Pi Pico microcontroller. Lapha ngifuna ukwengeza isexwayiso. Kukhona izinguqulo ezimbili zaleli bhodi le-microcontroller (uma singalinaki iqiniso lokuthi ungalithenga ngememori esukela ku-2Mb kuya ku-16Mb). Lapha bengisebenzisa i-30 pins clone, ene-di9erent pinout mayelana ne-oKcial Pico. Okwamanje, inguqulo ye-2Mb i-suKcient.

Isinyathelo sesi-3: Amapharamitha we-Programmer Cathegorizations

• Ukuskrola kumapharamitha angu-30+ ngendlela elandelanayo (enye ngemva kwenye) akwenzeki. Noma kunjalo, lo Mhleli ufuna ukwenziwa lula kwesixhumi esibonakalayo “sesilayidi sedatha esisodwa” sama-synthesizer asekelwayo. Kunjani lokho?
• Isixazululo esingaba khona sokubona okuhlosiwe, kimina, kwaba ukuhlanganisa amapharamitha ngaphakathi kwezigaba. I-Cathegorization yenza amapharamitha afinyeleleke kakhulu ngokunciphisa inombolo yawo, futhi kwenza kube lula ukuwathola ngempela.
• I-Cathegorization ilandele isimiso esifanayo kuwo wonke ama-synthesizers asekelwayo futhi, ngezinhloso zami, ifana nesakhiwo esivamile se-phisical block yama-analogue synthesizers esiwathandayo: ama-oscillators -> voltage controlled lters -> voltage elawulwa ampamanga. Imithombo yokuguquguquka kanye nama-e9ects alandelayo (imininingwane eyengeziwe kokulandelayo
• Korg DW8000
  • I-DW8000 (kanye ne-EX8000) imingcele yesichibi lapho isivele ibekwe kahle ngu-Korg, ngakho-ke i-Programmer cathegorization ilandela ngobugqila iqembu lephaneli yangaphambili.
  • Amapharamitha aqoqwe ngezigaba eziyi-8:
    • I-oscillator 1
    • I-oscillator 2
    • Voltage Isihlungi esilawulwayo
    • Voltage Elawulwayo Ampumqambimanga
    • I-Low Frequency Oscillator
    • Isondo
    • Ukubambezeleka Kwedijithali
    • Abanye (portamento)
      Bona ihedashidi yesinyathelo ngemininingwane mayelana nezigaba ezincane.
  • Hlunga futhi ampama-lier anemvilophu eyodwa ezinikele ngamunye. Kulesi simo, i-envelopers paramenters ihlanganiswa ne-voltagIsici esilawulwayo sendawo oya kuyo.
  • Wonke amapharamitha e-DW8000 asekelwa, ngaphandle kwamamodi/isiteshi se-MIDI.
• U-Roland a-JUNO
  • Noma ngabe i-Roland a-Juno inenani elilinganiselwe lamapharamitha wokuchibiyela, ukulandelana kwawo ekusetshenzisweni kwe-MIDI kuyindida kakhulu phakathi kwe-synthesizer esekelwayo. Kungithathe isikhathi ukuhlanganisa ukuqaliswa kwe-MIDI ngendlela efanayo nokulandelana kwephaneli yangaphambili (ngisho noma akufani).
  • Umgomo ufeziwe, noma kunjalo:
    • I-oscillator
    • Voltage Isihlungi esilawulwayo
    • Voltage Elawulwayo Ampumqambimanga
    • Imvilophu
    • I-LFO
    • Ikhorasi nokugoba
      Bona ihedashidi yesinyathelo ngemininingwane mayelana nezigaba ezincane.
  • Wonke amapharamitha angu-36 e-Roland a-Juno asekelwa uMhleli. Imingcele yemvilophu eyodwa (eyabelwe) ihlanganiswa ngaphansi kweqembu elizinikele.
• I-Oberheim Matrix 6
  • I-Oberheim M6/M6r iyi-synthesizer ethuthuke kakhulu esakhiweni futhi ifaka inkimbinkimbi yendlela emangalisayo uma iqhathaniswa nezinsimbi zanamuhla.
  • Isikhathi esisitshelile ukuthi “ubunzima” bungaba ummese wezinhlamvu ezimbili emhlabeni wokukhiqiza umculo, futhi ukungabi bikho kwamathuba okukhohlisa amapharamitha aqondile kwenza i-Matrix 6 ibe ngenye “yefekthri yemisindo” engaphansi kakhulu lapho ngokobunjiniyela bomsindo.
  • Kumapharamitha angama-99 asekelwa yi-synth, "kuphela" angama-52 afakiwe ku-rmware ye-Programmer. Ngizihlukanise ngamaqembu angu-9:
    • I-oscillator 1
    • I-oscillator 2
    • Voltage Isihlungi esilawulwayo
    • Voltage Elawulwayo Ampumqambimanga
    • Ramps
    • Imvilophu 1
    • Imvilophu 2
    • I-LFO 1
    • I-LFO 2
      Bona ihedashidi yesinyathelo ngemininingwane mayelana nezigaba ezincane.
  • Ngizame ukukhawulela amapharamitha enombolweni ephusile ngokushiya ngaphandle kwezibalo imvilophu yesithathu, amaphuzu okulandelela, ukuchofoza, njll. Ngingakwazi ukuwaphatha wonke, noma kunjalo, ngenxa yosayizi wenkumbulo ye-Raspberry Pi Pico.
  • Amapharamitha angaphathwanga uMhleli "awakhutshaziwe", kodwa afinyeleleka ngephaneli ye-synth, noma kunjalo!
  • I-Matrix Modulation yayiyinkimbinkimbi kakhulu ukuthi ingafakwa, ngakho yayishiywe ngaphandle.

    
    
    

Isinyathelo sesi-4: Isetshenziswa Kanjani

• Lapho ukhanyisa, ikhasi lemenyu lesiteshi se-MIDI liyavezwa.
  • Zungezisa ifindo LEFT (PARAMETER knob) ukuze ukhethe ukuthi iyiphi ishaneli ye-MIDI i-synth eqondiwe elalele.
  • Zungezisa inkinobho ye-RIGHT (VALUE knob) ukuze ukhethe i-synthesizer ofuna ukuthumela kuyo imilayezo ye-MIDI.
• Uzodinga ukwenza lokhu noma nini uma usetha kabusha uMhleli. Kulula kakhulu ukuba nezinto ezimbili eziguquguqukayo eziphika i-synth yokuqala kanye nesiteshi se-MIDI zishintshe unomphela ngenxa yemvelo yomthombo ovulekile we-rmware.
• Manje singaphuma kumodi yemenyu ngokucindezela inkinobho "Imenyu". Ukushintsha noma iyiphi ipharamitha yesichibi esisekelwayo:
  • Zungezisa isishumeki esijikelezayo sesandla sobunxele (i-PARAMETER knob) ukuze ukhethe i-cathegory yepharamitha oyithakaselayo (amagama engxenyeni engenhla yesibonisi se-LED)
  • Chofoza inkinobho yokusunduza yesandla sokunxele ukuze ushintshele ekukhetheni ipharamitha yangempela (amagama engxenyeni engezansi yesibonisi se-LED)
  • Khetha ipharamitha yangempela ofuna ukuyishintsha ngokuzungezisa isishumeki sesandla sobunxele (PARAMETER knob)
  • Zungezisa isishumeki esijikelezayo sesandla sokudla sibe ivelu yepharamitha oyifunayo. Ungakwazi ukuqhubekisela phambili amanani epharamitha 10-by-10 ngokucindezela inkinobho yokucindezela yesishumeki esijikelezayo esandleni sokudla
• Amanani epharamitha yepheshi adluliselwa nge-MIDI ngokushesha nje lapho inani lishintshwa ukuze lipheshelwe "isikhathi sangempela".
• Phinda inqubo yanoma iyiphi ipharamitha oyithandayo.
• Uma ufuna ukubuyela kusikrini semenyu, mane ucindezele inkinobho yemenyu.
• Sicela uqaphele ukuthi:
  • Amapharamitha oMhleli wonke aqalwa abe inani elithi “ziro” lapho uMhleli evulwa okokuqala ngemva kokuvala shaqa noma lapho ukhetha i-di9erent synthesizer kumenyu.
  • Uma inani lepharamitha lishintshwa, lelo nani ligcinwa enkumbulweni inqobo nje uma uMhleli engakasethwa kabusha noma engazange aguqulelwe ku-o9.
  • Uma ushintsha inani lepharamitha kuphaneli yangaphambili ye-synthesizer, ipharamitha ye-Programmer ayibuyekeziwe (ayivumelanisiwe).
    >> LAPHA<< iyinqolobane yomdwebo (Github) enenguqulo yakamuva. Njengoba ungumthombo ovulekile, wamukelekile ukuthi uguqule umdwebo ngokuthanda kwakho futhi x izimbungulu (bona Isinyathelo esilandelayo) 😉

    
    
    

Isinyathelo sesi-5: Sketch Imikhawulo/izimbungulu

• Kukhona indawo yokuthuthukiswa okukhulu kumdwebo wamanje, owandulelayo, nomdwebo.
• Exampfuthi, singangeza umsebenzi ukuze silondoloze isiteshi se-midi ne-synthesizer esikhundleni sokuyikhetha ekuqaleni njalo uma uMhleli evuliwe. Uma kunikezwe inani lememori elisakhululekile kungaba kuhle futhi ukusekela amanye ama-synthesizer. Kungaba kuhle futhi ukuthola nokugcina amapharamitha epeshi amanje futhi wenze i-Programmer ne-synthesizer ivumelaniswe.
• Kufanele futhi ngibike izimbungulu ezimbalwa ezicasulayo kulokhu kuphindaphindwa kokuqala kwekhodi. Isikhathi sokuqala uvula esinye sezishumeki ze-optical ezimbili, umtapo wolwazi (ngicabanga ukuthi umtapo wezincwadi we-LCD, kodwa angiqiniseki) uqalisa futhi wenze uMhleli angaphenduli imizuzwana ethile (emibili noma emithathu). Akuyona into enkulu, kodwa ecasulayo.
• Esinye isiphazamisi ukulahlekelwa kokunye okuthunyelwe kwe-SysEx (lonke ukuphenduka okukodwa kwesifaki khodi kuyarekhodwa, kodwa ngezinye izikhathi akukho okudluliselwa ku-MIDI ngaphandle). Lokhu kuyinto engenakuphikwa ku-x.

Isinyathelo sesi-6: Ukubongwa

• I-PCB efanekiselwa kule Instructionable ixhaswe yi-JLCPCB, umkhiqizi wobuchwepheshe obuphezulu okhethekile ekukhiqizeni ama-PCB athembekile futhi angabizi kakhulu.
• Benza i:isevisi yokuhlanganisa ye-PCB ephathekayo enomtapo wezincwadi omkhulu wezingxenye ezingaphezu kuka-9 esitokweni. Ukuphrinta kwe-350.000D "muva nje" kwengezwe kuphothifoliyo yabo yezinsizakalo ukuze umuntu akwazi ukudala umkhiqizo osuphelile wonke endaweni eyodwa!
• Isevisi yabo yamakhasimende iyasabela futhi iyasiza futhi ama-PCB anenani elikhulu lemali.
• Iqhaza labo ekufezekiseni le phrojekthi belibalulekile kakhulu... ngiyabonga kakhulu! 🙂
• Ngokubhalisa kusayithi le-JLCPCB nge- THIS LINK (isixhumanisi esihlanganisiwe) uzothola uchungechunge lwamakhuphoni kuma-oda akho. Ukubhalisa akubizi lutho, ngakho kungaba ithuba elihle lokuzama isevisi yabo 😉

  
  

Amadokhumenti / Izinsiza

iziqondiso ze-PICO MIDI SysEx Patcher [pdf] Incwadi Yeziqondiso I-PICO MIDI SysEx Patcher, MIDI SysEx Patcher, SysEx Patcher, Patcher, PICO MIDI SysEx

Izithenjwa

• Imaniwali yosebenzisayo