LCD wiki MRB3512 16BIT RTP Le CTP Module
Tlhaloso ea Sehlahisoa
Sehlahisoa ke 3.5-inch TFT LCD pontšo ea module e tšehetsang ho fetoha pakeng tsa skrine ea ho hanyetsa le capacitive touch screen. E na le qeto ea 480 × 320, e tšehetsa ponahalo ea mebala ea 16BIT RGB 65K, 'me mokhanni oa ka hare oa IC ke ST7796, e sebelisang puisano ea 16-bit e tšoanang ea port. Mojule ona o kenyelletsa ponts'o ea LCD, skrineng sa "touch touch" kapa "capacitance touch" skrineng, le sefofane sa morao sa PCB. E ka hokeloa ka har'a slot ea TFT LCD ea boto ea nts'etsopele ea letoto la STM32 kapa ea sebelisoa sethaleng sa C51.
Likarolo tsa Sehlahisoa
- Sesepa sa mebala sa 3.5-inch, se tšehetsa ponts'o ea mebala ea 16BIT RGB 65K, se bonts'a mebala e metle
- 320 × 480 resolution bakeng sa pontšo e hlakileng
- Tšehetsa 16-bit parallel data bus mode switching, lebelo la phetisetso e potlakileng
- E ts'ehetsa liboto tsa nts'etsopele tsa ALIENTEK STM32 Mini, Elite, WarShip, Explorer, le Apollo ka ts'ebeliso e tobileng ea plug-in.
- Tšehetso ea ho fetola pakeng tsa khanyetso ea touch screen le capacitive touch screen
- E fana ka morui sample lenaneo bakeng sa sethala sa STM32 le C51
- Litekanyetso tsa tšebetso ea boemo ba sesole, mosebetsi o tsitsitseng oa nako e telele
- Fana ka tšehetso ea tekheniki ea mokhanni
Lihlahisoa tsa lihlahisoa
Tlhaloso ea Sehokelo
HLOKOMELA
- Thepa ea mojule e ts'ehetsa ho fetoha lipakeng tsa "touch touch screen" le "capacitive touch" skrineng (joalo ka ha ho bonts'itsoe lebokoseng le nang le matheba setšoantšong sa 1 ka holimo), ka tsela e latelang:
- Sebelisa skrine ea ho hanyetsa: solder likarolo tse ka har'a lebokose le nang le matheba la RTOUCH, 'me ha ho hlokahale hore u tšele likarolo tse ka har'a lebokose le nang le matheba la CTOUCH;
- Sebelisa capacitive touch screen: solder likarolo tse ka har'a mela e nang le matheba a CTOUCH, 'me ha ho hlokahale hore u kenye likarolo tse ka har'a lebokose la mela ea matheba ea RTOUCH;
- Mojule ona o ka kenngoa ka kotloloho ho sekotjana sa TFTLCD sa boto ea ntlafatso ea athomo ea nako, ha ho hlokahale wiring ea letsoho.
- Thepa ea mojule ona e ts'ehetsa mokhoa oa 16 bit feela
Keletso ea Bohlokoa
- Linomoro tse latelang tsa phini 1~34 ke nomoro ea phini ea Module pin e nang le "PCB backplane" ea k'hamphani ea rona. Haeba u reka skrine e se nang letho, ka kopo sheba tlhaloso ea pin ea sebopeho sa skrine se se nang letho, sheba mohala ho latela mofuta oa lets'oao ho fapana le ho toba Wire ho latela linomoro tse latelang tsa phini. Bakeng sa mohlalaampLe: CS ke 1 pin mojuleng oa rona. E kanna ea ba x pin skrineng se se nang letho sa boholo bo fapaneng.
- Mabapi le phepelo ea VCC voltage: Haeba u reka mochine o nang le mokokotlo oa PCB, motlakase oa VCC / VDD o ka kopanngoa le 5V kapa 3.3V (mojule o na le mochine o kopantsoeng oa 5V ho ea ho 3V oa potoloho), haeba u reka LCD e se nang letho, hopola. ho hokela 3.3V feela.
- About backlight voltage: Mojule o nang le mokokotlo oa PCB o na le potoloho e kopantsoeng ea triode backlight control, e hlokang feela ho kenya boemo bo phahameng ba BL pin kapa leqhubu la PWM ho khantša leseli la morao. Haeba u reka skrine e se nang letho, LEDAx e hokahane le 3.0V-3.3V mme LEDKx e thehiloe.
Sebopeho sa Hardware
The LCD module hardware circuit e na le likarolo tse tšeletseng: potoloho ea LCD ea ho laola, potoloho ea matla a ho laola matla, potoloho ea ho feto-fetoha ha tekanyo ea Impedance, capacitive touch screen control circuit, mochine oa ho thibela li-screen control le potoloho ea ho laola lebone. Pontšo ea potoloho ea LCD bakeng sa ho laola lithakhisa tsa LCD, ho kenyelletsa le likhoele tsa taolo le likhoele tsa phetisetso ea data. Potoloho ea taolo ea matla bakeng sa ho tsitsisa phepelo voltage le ho khetha phepelo ea ka ntle voltage Potoloho ea ho leka-lekanya ho leka-lekana e sebelisetsoa ho leka-lekanya tšitiso lipakeng tsa phini ea MCU le phini ea LCD. Residence touch screen control circuit e sebelisoa ho laola ho nkuoa ha tšitiso ea skrineng, data sampling, phetolo ea AD, phetiso ea data, joalo-joalo Capacitive touch screen control circuit e sebelisoa ho laola the touch screen interrupt phumano, data sampling, phetoho ea AD, phetisetso ea data, joalo-joalo Potoloho ea taolo ea backlight e sebelisoa ho laola khanya ea lebone la morao.
molao-motheo oa ho sebetsa
Kenyelletso ea taolo ea ST7796U
ST7796U ke taolo ea chip e le 'ngoe bakeng sa 262 K mebala ea TFT-LCDs. E ts'ehetsa qeto e phahameng ea 320*480 mme e na le GRAM ea 345600 byte. E boetse e tšehetsa 8-bit, 9-bit, 16-bit, le 18-bit parallel port libese tsa data. E boetse e ts'ehetsa likou tsa serial tsa terata tse 3 le tse 4 tsa SPI. Kaha qeto e tšehetsoeng e batla e le khōlō 'me palo ea data e fetisitsoeng e kholo, phetiso ea koung e tšoanang e amoheloa,' me lebelo la phetisetso le potlakile. ST7796U e boetse e ts'ehetsa 65K, 262K, 16M RGB ponts'o ea mebala, 'mala oa ponts'o o ruile haholo, ha o ntse o ts'ehetsa ponts'o e potolohang le ponts'o ea moqolo le ho bapala video, ho bonts'a ka mekhoa e fapaneng. Taolo ea ST7796U e sebelisa 16bit (RGB565) ho laola ponts'o ea pixel, kahoo e ka bonts'a mebala e fihlang ho 65K pixel ka 'ngoe. Boemo ba aterese ea pixel bo etsoa ka tatellano ea mela le likholomo, 'me tsela e ntseng e eketseha le e fokotsehang e khethoa ke mokhoa oa ho hlahloba. Mokhoa oa ho bonts'a ST7796U o etsoa ka ho beha aterese ebe o beha boleng ba 'mala.
Kenyelletso ea puisano e tšoanang ea boema-kepe
Nako ea mokhoa oa ho ngola oa puisano ea port e ts'oanang e bonts'itsoe ka tlase:
Nako ea mokhoa oa ho bala oa puisano ea koung e bonts'itsoeng setšoantšong se ka tlase:
- CSX ke lets'oao la khetho ea chip bakeng sa ho nolofalletsa le ho tima puisano ea boema-kepe, e sebetsang e tlase
- RESX ke lets'oao la ho seta bocha kantle, le tlase le sebetsang
- D/CX ke lets'oao la khetho ea data kapa taelo, 1-ngola data kapa litekanyetso tsa taelo, taelo ea 0-ngola
- WRX ke lets'oao la taolo ea data
- RDX ke lets'oao la taolo ea data e baloang
- D[X:0] ke karoloana ea data e bapileng, e nang le mefuta e mene: 8-bit, 9-bit, 16-bit, le 18-bit.
Ha u etsa ts'ebetso ea ho ngola, motheong oa ho reset, qala ka ho beha letšoao la data kapa taelo ea khetho, ebe u hula letšoao la khetho ea chip, ebe u kenya litaba tse lokelang ho ngoloa ho tsoa ho moamoheli, ebe u hula letšoao la taolo ea data tlase. . Ha e huleloa holimo, data e ngotsoe ho LCD ea taolo ea IC moeling o ntseng o phahama oa lets'oao la taolo ea ho ngola. Qetellong, lets'oao la khetho ea chip le huleloa holimo mme ts'ebetso ea ho ngola data e phethetsoe.
Ha u kenya ts'ebetso ea ho bala, motheong oa reset, qala ka ho hula letšoao la chip khetha tlaase, ebe u hula data kapa u laele khetha letšoao le phahameng, ebe u hula letšoao la taolo ea data e baloang tlaase, ebe u bala lintlha tse tsoang ho LCD control IC. . 'Me joale Pontšo ea taolo ea data e baloang e huleloa holimo,' me data e baloa moeling o ntseng o phahama oa lets'oao la taolo ea data e baloang. Qetellong, lets'oao la khetho ea chip le huleloa holimo, 'me ts'ebetso ea ho bala data e phethetsoe.
Litaelo tsa tšebeliso
Litaelo tsa STM32
Litaelo tsa wiring:
Sheba tlhaloso ea sebopeho bakeng sa likabelo tsa phini.
Hlokomela
- Mojule ona o ka kenngoa ka kotloloho ho sekotjana sa TFTLCD sa boto ea ntlafatso ea athomo ea nako, ha ho hlokahale wiring ea letsoho.
- Lithako tse latelang tsa plug-in tsa MCU tse tsamaellanang li bua ka lithakhisa tsa MCU tse hokahaneng ka kotloloho le sekotjana sa TFTLCD ka har'a boto ea nts'etsopele, feela bakeng sa litšupiso.
Mehato ea Ts'ebetso
- Hokela mojule oa LCD (Joalokaha ho bonts'itsoe setšoantšong sa 1) le STM32 MCU ho latela litaelo tse kaholimo le matla a ho sebetsa;
- B. Khetha lenaneo la tlhahlobo la C51 le tla lekoa, joalokaha ho bontšitsoe ka tlase: (Ka kopo, sheba litokomane tsa lenaneo la teko bakeng sa tlhaloso ea lenaneo la tlhahlobo.)
- Bula morero o khethiloeng oa lenaneo la tlhahlobo, bokella le ho jarolla; Tlhaloso e qaqileng ea lenaneo la tlhahlobo ea STM32 le ho khoasolla e ka fumanoa tokomaneng e latelang:
http://www.lcdwiki.com/res/PublicFile/STM32_Keil_Use_Illustration_EN.pdf - Haeba module ea LCD e bonts'a litlhaku le lits'oants'o ka tloaelo, lenaneo le sebetsa ka katleho;
Litaelo tsa C51
Litaelo tsa wiring
Sheba tlhaloso ea sebopeho bakeng sa likabelo tsa phini.
Hlokomela
- Kaha maemo a ho kenya le ho hlahisa GPIO ea STC12C5A60S2 microcontroller ke 5V, IC ea capacitive touch e ke ke ea sebetsa ka mokhoa o tloaelehileng (ke 1.8 ~ 3.3V feela e ka amoheloang). Haeba o batla ho sebelisa ts'ebetso ea capacitive touch, o hloka ho hokela mojuleng oa phetoho ea boemo;
- Kaha microcontroller ea STC89C52RC ha e na ts'ebetso ea push-pull output, pin ea taolo ea backlight e hloka ho hokela motlakase oa 3.3V hore o bonese hantle.
- Kaha bokhoni ba Flash ea microcontroller ba STC89C52RC bo nyane haholo (ka tlase ho 25KB), lenaneo le nang le ts'ebetso ea ho ama le ke ke la khoasolla, ka hona skrini sa ho ama ha se hloke mohala.
Mehato ea ts'ebetso:
- A. Hokela mojule oa LCD (Joalokaha ho bonts'itsoe setšoantšong sa 1) le C51 MCU ho latela litaelo tse kaholimo tsa wiring 'me u e bulele;
- B. Khetha lenaneo la tlhahlobo la C51 le tla lekoa, joalo ka ha ho bonts'itsoe ka tlase: (Tlhaloso ea lenaneo la liteko ka kopo sheba tokomane ea tlhaloso ea lenaneo la tlhahlobo sephutheloana sa liteko)
- C. Bula projeke ea tlhahlobo e khethiloeng, bokella le ho khoasolla; tlhaloso e qaqileng ea pokello ea lenaneo la tlhahlobo ea C51 le ho e jarolla e ka fumanoa tokomaneng e latelang:
http://www.lcdwiki.com/res/PublicFile/C51_Keil%26stc-isp_Use_Illustration_EN.pdf - D. Haeba module ea LCD e bonts'a litlhaku le lits'oants'o ka tloaelo, lenaneo le sebetsa ka katleho;
Tlhaloso ea Software
Code Architecture
Tlhaloso ea kaho ea khoutu ea A. C51 le STM32 Moaho oa khoutu o bontšitsoe ka tlase:
Khoutu ea Demo API bakeng sa nako e kholo ea nako ea ho sebetsa e kenyelelitsoe khoutu ea teko; Ho qala ha LCD le ts'ebetso ea data e amanang le bin parallel port e kenyellelitsoe khoutu ea LCD; Lintlha tsa ho taka, mela, lits'oants'o, le ts'ebetso e amanang le sebopeho sa Sechaena le Senyesemane li kenyelelitsoe khoutu ea GUI; Mosebetsi o ka sehloohong o kenya ts'ebetsong ho sebetsa; Khoutu ea sethala e fapana ho ea ka sethala; Khoutu ea IIC e sebelisoa ke capacitive touch IC GT911, ho kenyelletsa le ho qala IIC, ho ngola data le ho bala, joalo-joalo; Khoutu ea ho ama e kenyelletsa likarolo tse peli: khoutu ea "touch screen" le "capacitance touch screen" (gt911) khoutu; Khoutu ea bohlokoa e amanang le ts'ebetso e kenyelelitsoe khoutu ea bohlokoa (sethala sa C51 ha se na khoutu ea ho sebetsa ea konopo); Khoutu e amanang le ts'ebetso ea tlhophiso e etelletsoeng pele e kenyelelitsoe khoutu e etelletsoeng pele (sethala sa C51 ha se na khoutu ea ts'ebetso e etelletsoeng pele);
Tlhaloso ea tlhaloso ea GPIO
Lenaneo la tlhahlobo la STM32 Tlhaloso ea tlhaloso ea GPIO
Tlhaloso ea GPIO ea skrine ea LCD ea lenaneo la tlhahlobo ea STM32 e behiloe ho lcd.h file, e hlalosoang ka litsela tse peli:
- Lenaneo la tlhahlobo la microcontroller la STM32F103RCT6 le sebelisa mokhoa oa analog oa IO (ha o tšehetse bese ea FSMC)
- Mananeo a mang a liteko tsa STM32 MCU a sebelisa mokhoa oa libese oa FSMC STM32F103RCT6 MCU IO lenaneo la tlhahlobo ea analoge LCD skrini GPIO tlhaloso e bontšitsoeng ka tlase:
Lenaneo la tlhahlobo la FSMC LCD skrini GPIO le hlalosoa joalo ka ha ho bonts'itsoe ka tlase (nka STM32F103ZET6 microcontroller FSMC test programme e le ex.ample):
Khoutu e amanang le sekirini sa sethala sa STM32 e na le likarolo tse peli: khoutu ea skrineng sa ho hanyetsa le khoutu ea skrine ea capacitance. Resistance touch screen GPIO tlhaloso e behiloe ho rtp.h file joalo ka ha ho bonts'itsoe ka tlase (nka STM32F103ZET6 microcontroller IO lenaneo la tlhahlobo ea analog e le ex.ample):
Tlhaloso ea GPIO e amanang le "capacitance touch screen" e na le likarolo tse peli: Tlhaloso ea GPIO ea IIC le ho sitisa skrine le ho tsosolosa tlhaloso ea GPIO. Tlhaloso ea IIC GPIO e behiloe ho ctpiic.h file joalo ka ha ho bonts'itsoe ka tlase (nka lenaneo la tlhahlobo la STM32F103RCT6 microcontroller FSMC joalo ka ex.ample):
Khatiso ea skrine ea ho ama le tlhaloso ea GPIO ea reset li behiloe ho GT911.h, joalokaha ho bontšitsoe setšoantšong se latelang (nka lenaneo la tlhahlobo la STM32F103ZET6 microcontroller FSMC e le ex.ample):
Tlhaloso ea tlhaloso ea lenaneo la C51 GPIO
Lenaneo la tlhahlobo la C51 LCD skrini GPIO Tlhaloso e behiloe ho lcd.h file, joalo ka ha ho bonts'itsoe ka tlase (Ho nka lenaneo la tlhahlobo la STC12C5A60S2 microcontroller joalo ka ex.ample):
Tlhaloso ea pin e tšoanang e hloka ho khetha sehlopha sohle sa lihlopha tsa boema-kepe tsa GPIO, tse kang P0, P2, joalo-joalo, e le hore ha ho fetisoa data, ts'ebetso e be bonolo.Lipini tse ling li ka hlalosoa e le GPIO leha e le efe ea mahala. Khoutu e amanang le skrineng ea C51platform e na le likarolo tse peli: khoutu ea skrineng sa ho hanyetsa le khoutu ea skrine ea capacitance. Resistance touch screen GPIO tlhaloso e behiloe ho rtp.h file joalo ka ha ho bonts'itsoe ka tlase (Ho nka lenaneo la tlhahlobo la STC12C5A60S2 microcontroller joalo ka example):
Tlhaloso ea GPIO e amanang le "capacitance touch screen" e na le likarolo tse peli: Tlhaloso ea GPIO ea IIC le ho sitisa skrine le ho tsosolosa tlhaloso ea GPIO. Tlhaloso ea IIC GPIO e behiloe ho gtiic.h file joalo ka ha ho bonts'itsoe ka tlase (nka lenaneo la tlhahlobo la STC12C5A60S2 microcontroller joalo ka example):
Khatiso ea skrine le tlhaloso ea GPIO ea ho tsosolosa li behiloe ho GT911.h, joalokaha ho bontšitsoe setšoantšong se latelang (nka lenaneo la tlhahlobo ea STC12C5A60S2 microcontroller e le ex.ample):
Tlhaloso ea GPIO ea skrine ea ho ama e ka fetoloa 'me e ka hlalosoa e le GPIO efe kapa efe ea mahala.
Ts'ebetsong ea khoutu ea puisano ea boema-kepe
- Lenaneo la tlhahlobo la STM32 le tsamaisanang le khoutu ea khokahanyo ea koung Lenaneo la tlhahlobo la STM32 le ts'oanang khoutu ea puisano ea koung e behiloe ho LCD.c file, e sebelisoang ka litsela tse peli:
- Lenaneo la tlhahlobo la microcontroller la STM32F103RCT6 le sebelisa mokhoa oa analog oa IO (ha o tšehetse bese ea FSMC)
- Mananeo a mang a liteko tsa STM32 MCU a sebelisa mokhoa oa libese oa FSMC
Lenaneo la tlhahlobo ea IO le kengoa tšebetsong joalo ka ha ho bonts'itsoe ka tlase:
Lenaneo la tlhahlobo la FSMC le kengoa tšebetsong joalokaha ho bontšitsoe ka tlase:
Ka bobeli taelo ea 8- le 16-bit e ngola 'me data ea 8- le 16-bit e ngola le ho bala e kentsoe ts'ebetsong.
Lenaneo la tlhahlobo la C51 le tsamaisanang le khoutu ea khokahanyo ea koung
Khoutu e amehang e kengoa tšebetsong ho LCD.c file joalokaha ho bontšitsoe ka tlase:
E kentse tšebetsong litaelo tsa 8-bit le 16-bit le 8-bit le 16-bit data ngola le ho bala.
litaelo tsa ho lekanya skrineng
Litaelo tsa ho lekanya skrineng sa ho ama skrineng sa STM32
The STM32 touch screen calibration programme e lemoha ka bo eona hore na calibration ea hlokahala kapa ka bowena e kenya calibration ka ho tobetsa konopo. E kenyelelitsoe nthong ea teko ea skrine ea ho ama. Letšoao la calibration le li-parameter tsa calibration li bolokiloe ho flash AT24C02. Haeba ho hlokahala, bala ho tloha ho flash. Mokhoa oa calibration o bontšitsoe ka tlase:
Litaelo tsa ho lekanya skrineng sa C51 tekolo
C51 touch screen calibration e hloka ho sebelisa ntho ea teko ea Touch_Adjust (e fumaneha feela lenaneong la tlhahlobo la STC12C5A60S2), joalokaha ho bontšitsoe ka tlase:
Software e tloaelehileng
Sete ena ea liteko exampLes e hloka pontšo ea Sechaena le Senyesemane, matšoao le litšoantšo, kahoo software ea modulo e sebelisoa. Ho na le mefuta e 'meli ea software ea modulo: Image2Lcd le PCtoLCD2002. Mona ke feela tlhophiso ea software ea modulo bakeng sa lenaneo la tlhahlobo.
Litlhophiso tsa software ea PCtoLCD2002 modulo ke tse latelang:
Sebopeho sa matrix sa letheba khetha Khoutu e lefifi mokhoa oa modulo khetha mokhoa o tsoelang pele Nka mohlala ho khetha tsela (boemo bo phahameng pele) Sisteme ea Nomoro ea Output e khetha nomoro ea hexadecimal Khetho ea sebopeho sa tloaelo C51 Sebopeho sa CXNUMX Mokhoa o ikhethileng oa ho seta ke o latelang:
Litlhophiso tsa software ea Image2Lcd modulo li bontšitsoe ka tlase:
Software ea Image2Lcd e hloka ho hlophisoa ho ea holimo, ho le letšehali ho ea ho le letona, holimo ho ea tlase, le boemo bo tlaase ho mokhoa oa pele oa scan.
Litokomane / Lisebelisoa
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LCD wiki MRB3512 16BIT RTP Le CTP Module [pdf] Bukana ea Mosebelisi MRB3512 16BIT RTP Le CTP Mojule, MRB3512, 16BIT RTP Le CTP Mojule, RTP le CTP Mojule, CTP Mojule, |