UM3236 LVGL Cov Tsev Qiv Ntawv rau LCD Zaub
Cov neeg siv phau ntawv

Taw qhia

Nyob rau hauv cov ntsiab lus niaj hnub ntawm kev lag luam tsheb, nws yog qhov tsim nyog los tsim ntau thiab ntau dua GUIs txawm tias me me LCD zaub. Txhawm rau ua kom tau raws li qhov xav tau no, ib qho kev tivthaiv tshiab, AEK-LCD-LVGL, tau tsim thiab ntxiv rau AutoDevKit ecosystem.
Cov khoom tshiab no imports LVGL cov tsev qiv ntawv duab, thiab nws tau siv nrog AEK-LCD-DT028V1 tivthaiv los tsim cov GUI nyuaj sai dua.
Lub LVGL (lub teeb thiab ntau lub tsev qiv ntawv duab) yog lub tsev qiv ntawv dawb, qhib cov duab kos, sau ua lus C, muab cov cuab yeej los tsim GUIs nrog cov duab siv tau yooj yim, pom kev zoo, thiab kev ua haujlwm nco tsawg.
LVGL muaj zog heev vim nws muaj cov ntsiab lus tau hais tseg, xws li cov nyees khawm, kab kos, cov npe, sliders, thiab cov duab. Tsim cov duab nrog cov animations, anti-aliasing, opacity, thiab du scrolling yog yooj yim nrog LVGL. Lub tsev qiv ntawv yog sib xws nrog ntau hom khoom siv, xws li touchpads, nas, keyboards, thiab encoders. Lub hom phiaj ntawm cov neeg siv phau ntawv no yog qhia yuav ua li cas los tsim ib qho LCD GUI yooj yim, siv AutoDevKit.
Nco tseg: Yog xav paub ntxiv txog LVGL, saib cov ntaub ntawv raug cai. Lub hauv paus code muaj rau rub tawm los ntawm GitHub.
AEK-LVGL architectureCov duab saum toj no qhia txog LVGL software architecture koom ua ke hauv AutoDevKit.
Lub software architecture yog characterized los ntawm:

• Lub tsev qiv ntawv LVGL: nws siv cov haujlwm ua haujlwm siab tshaj plaws raws li AEK-LCD-DT028V1 cov tsev qiv ntawv duab nraaj:
  - aek_ili9341_drawPixel: nws luam tawm pixels ntawm AEK-LCD-DT028V1 LCD;
  - aek_lcd_get_touchFeedback: nws pom kov ntawm AEK-LCD-DT028V1 LCD kov npo;
  - aek_lcd_read_touchPos: nws tau txais kev sib koom tes ntawm qhov kov;
  - aek_lcd_set_touch Tawm tswv yim: nws chij tias qhov kev ua tiav kov tiav.
• Lub tsev qiv ntawv duab nraaj yooj yim: nws siv cov duab nraaj yooj yim thiab hu rau cov tsav tsheb qis qis.
• Tus neeg tsav tsheb qis qis: nws siv MCU peripherals. Hauv qhov no, SPI raws tu qauv siv.
• AEK-LCD-DT028V1: LCD ntsuam xyuas pawg thawj coj saib.

LVGL Basics

Lub tsev qiv ntawv LVGL cuam tshuam nrog AEK-LCD-DT028V1 tivthaiv los ntawm ob tus tsav tsheb Disprove thiab IndevDriver, raws li qhia hauv daim duab hauv qab no.Lub Disprove yog tus saib xyuas ntawm kev npaj cov duab tsis thiab hla nws mus rau txheej qis kom pom nws ntawm LCD. Nws siv cov qauv hauv qab no lv_disp_drv_t ntaus ntawv:

• draw_buf: nws taw qhia rau lub cim xeeb tsis zoo uas LVGL kos.
•  neeg ntiav: kab rov tav daws teeb meem ntawm cov zaub hauv pixels.
• Verres: ntsug daws teeb meem ntawm cov zaub hauv pixels.
• flush_cb: nws taw qhia rau kev ua haujlwm siv los luam tawm lub cim xeeb tsis rau lub LCD zaub.
•  monitor_cb: nws saib xyuas cov pixels thiab lub sijhawm xav tau los tso saib cov ntaub ntawv.
  Ntawm qhov tod tes, IndevDriver retrieves LCD kov cov ntaub ntawv los ntawm txheej qis. Nws siv cov qauv hauv qab no lv_indev_drv_t ntaus ntawv:
  hom: daim teb no muaj hom khoom siv nkag. Predefined macro muaj xws li:
  - LV_INDEV_TYPE_POINTER (siv hauv peb rooj plaub)
  - LV_INDEV_TYPE_KEYPAD
  - LV_INDEV_TYPE_ENCODER
  - LV_INDEV_TYPE_BUTTON
  redact: nws taw qhia rau kev ua haujlwm siv los khaws cov ntaub ntawv kov.
  flush_cb thiab redact: raug hu ua ntu ntu raws li, raws li, ntawm tus neeg siv-txhais npo refresh lub sijhawm thiab kov cov tswv yim tshiab. Lub tsev qiv ntawv LVGL tswj xyuas lub sijhawm tshiab los ntawm lub moos sab hauv. Ob lub luag haujlwm LVGL yog siv los tswj lub sijhawm:
• lv_tick_inc(uint32_t x): lub hom phiaj ntawm txoj haujlwm no yog los synchronize lub sijhawm LVGL nrog lub sijhawm lub cev ntawm MCU. Cov zuam hloov tshiab yuav tsum tau teeb tsa ntawm 1 txog 10 milliseconds raws li LVGL specification. Hauv
  peb cov ntaub ntawv, peb teem nws rau 5 milliseconds.
• lv_timer_handler (void): nws hloov kho cov khoom hauv LVGL raws li lub sijhawm dhau los. Lub sijhawm lub cev raug saib xyuas los ntawm programmable interrupt timer (PIT) peripheral ntawm MCU.

Interface ntawm LVGL thiab AEK-LCD-DT028V1 tivthaiv

Lub interface ntawm AEK-LCD-LVGL thiab AEK-LCD-DT028V1 tivthaiv yog siv los ntawm ib tug file npe lcd_lvgl.c nyob hauv qab "aek_lcd_lvgl_component_rla" folder. Qhov no file muaj cov haujlwm rau:

• pib lub tsev qiv ntawv LVGL,
• tswj LVGL internal timer,
• interface lub tsev qiv ntawv LVGL nrog lub tsev qiv ntawv duab nraaj siv los ntawm AEK-LCD-DT028V1 tivthaiv.

Tsib lub luag haujlwm tseem ceeb tau piav qhia hauv kab lus hauv qab no.
 3.1 Display Init
Lub aek_lcd_lvgl_display_init muaj nuj nqi pib ua ob LVGL cov qauv tseem ceeb, Disprove thiab IndevDriver.
 3.1.1 Tsis lees paub
Lub hom phiaj tseem ceeb ntawm cov qauv Disprove yog tuav cov duab kos rau LVGL. Lub Disprove draw_buf teb cov ntsiab lus ntawm lub cim xeeb tsis tuaj yeem muaj txog li ob lub cim xeeb sib txawv. Lub draw_buf teb yog pib nrog lv_disp_draw_buf_init() muaj nuj nqi.Hauv cov cai saum toj no, DISP_HOR_RES thiab DISP_VER_RES tsis yog sawv cev rau LCD qhov ntev.
Nco tseg:
Qhov loj me me yuav tsum tau kho raws li qhov system muaj nco. Cov lus qhia ntawm LVGL pom zoo kom xaiv qhov loj ntawm cov duab kos ntawm qhov tsawg kawg yog 1/10 ntawm qhov screen loj. Yog tias qhov kev xaiv thib ob siv tsis tau, LVGL tuaj yeem coj mus rhaub rau hauv ib qho tsis thaum cov ntaub ntawv ntawm lwm qhov tsis raug xa mus rau hauv keeb kwm yav dhau.Lwm qhov tsis zoo ntawm cov qauv yog qhov screen qhov ntev, ob lub zog, yaug thiab monitor_cb, uas peb yuav txheeb xyuas tom qab. Ib zaug ua tiav, cov qauv yuav tsum tau sau npe nrog lub siab lv_disp_drv_register() muaj nuj nqi los teeb tsa cov khoom siv.
3.1.2 IndevDriver
IndevDriver yog pib raws li hauv qab no:Cov ntsiab lus tau hais tseg yog hom cuab yeej siv thiab ua haujlwm los tswj nws. Tsis tas li nyob rau hauv cov ntaub ntawv no, cov qauv pib yuav tsum tau sau npe ua kom lub cuab yeej ua haujlwm.
3.2 Flush
Lub tshuab nqus dej ua haujlwm siv AEK-LCD-DT028V1 tivthaiv cov duab kos duab yooj yim los kos, ntawm LCD, cov duab tam sim no hauv lub cim xeeb tsis tau pib ua raws li cov kab lus dhau los.Lub pob txha muaj nuj nqi flush tau muab los ntawm LVGL muaj nuj nqi thiab kho kom haum rau LCD npo tsav tsheb hauv kev siv (ie, aek_ili9341_drawPixel - pixel kos duab). Input parameter yog:

• qhuav: tus taw tes rau Disprove
• cheeb tsam: tsis muaj qhov tshwj xeeb uas yuav tsum tau hloov kho
• xim: tsis muaj cov xim yuav tsum luam tawm.

3.3 monitor_cb
Lub monitor_cb muaj nuj nqi yog txhais nyob rau hauv cov lus qhia LVGL thiab tsis tas yuav customizations.3.4 my_input_read
Lub my_input_read muaj nuj nqi yog tswj hwm cov tswv yim los ntawm LCD npo ntawm qib siab.
Lub cev muaj nuj nqi yog txhais los ntawm LVGL lub tsev qiv ntawv. Input parameter yog:

• drv: taw tes rau tus tsav tsheb pib nkag
• cov ntaub ntawv: muaj cov pixel-hloov x, y kev koom tes ntawm cov ntsiab lus kov Cov duab hauv qab no qhia txog kev siv my_input_read muaj nuj nqi:

3.5 Refresh npo
Lub aek_lcd_lvgl_refresh_screen muaj nuj nqi hloov kho LVGL sab hauv timers.
Nco tseg: Txoj haujlwm no yuav tsum raug muab tso rau hauv daim ntawv thov code kom ua tiav LVGL lub sijhawm txwv.

AutoDevKit ecosystem

Kev txhim kho daim ntawv thov uas siv AEK-LCD-LVGL siv tag nrho advantage cov AutoDevKit ecosystem, uas nws cov ntsiab lus tseem ceeb yog:

• AutoDevKit Studio IDE installable los ntawm www.st.com/autodevkitsw
• SPC5-UDESTK debugging software rau Windows lossis Qhib debugger
•  AEK-LCD-LVGL tsav

4.1 AutoDevKit Studio 
AutoDevKit Studio (STSW-AUTODEVKIT) yog ib puag ncig kev txhim kho kev sib koom ua ke (IDE) raws li Dab Ntxwg Nyoog tsim los pab txhim kho cov ntawv thov kos raws li SPC5 Power Architecture 32-ntsis microcontrollers.
Cov pob muaj xws li daim ntawv thov wizard los pib ua haujlwm nrog txhua yam khoom siv thiab cov ntsiab lus tseem ceeb uas yuav tsum tau ua los tsim cov ntawv thov zaum kawg. AutoDevKit Studio kuj nta:

• muaj peev xwm ntawm kev sib koom ua ke nrog lwm cov khoom siv software los ntawm cov qauv Eclipse marketplace
• daim ntawv tso cai pub dawb GCC GNU C Compiler tivthaiv
• kev txhawb nqa rau kev lag luam-tus qauv compilers
• kev txhawb nqa rau multi-core microcontrollers
•  PinMap editor los pab txhawb MCU tus pin configuration
•  integrated hardware thiab software Cheebtsam, Cheebtsam compatibility checking, thiab MCU thiab peripheral configuration cuab yeej
• muaj peev xwm tsim cov kev daws teeb meem tshiab los ntawm cov uas twb muaj lawm los ntawm kev ntxiv lossis tshem tawm cov khoom siv sib xws
• cov cai tshiab tuaj yeem tsim tawm tam sim ntawd rau txhua qhov sib xws MCU
•  Cov ntawv thov qib siab APIs los tswj txhua qhov kev ua haujlwm, suav nrog cov khoom siv rau AEK-LCDLVGL tivthaiv.

Yog xav paub ntxivq xa mus rau UWM 2623 (tshwj xeeb, Tshooj 6 thiab Tshooj 7) lossis saib cov yeeb yaj kiab qhia.
4.2 AEK_LCD_LVGL tivthaiv
Cov tsav tsheb AEK-LVGL tau muab nrog STSW-AUTODEVKIT (los ntawm version 2.0.0 rau) kev teeb tsa los pab txhawb rau theem programming.
Hloov kho koj qhov kev teeb tsa AutoDevKit kom tau txais qhov tseeb version. Thaum txhim kho kom zoo, xaiv cov khoom npe hu ua AEK_LVGL Component RLA.
4.2.1 AEK_LCD_LVGL tivthaiv configuration
Txhawm rau teeb tsa cov khoom, ua raws li cov txheej txheem hauv qab no.
Kauj ruam 1. Teem lub sij hawm Refr_Period. Qhov no yog lub sij hawm refresh screen (tus nqi pom zoo yog 30).
Kauj ruam 2. Teem lub sij hawm Read_Period. Qhov no yog lub sij hawm tsawg kawg nkaus ntawm ob qhov kev ntsuas tom qab kov (tus nqi pom zoo yog 30).
Kauj ruam 3. Kos lub Draw Complex box kom pab tau cov widget siab heev xws li duab ntxoov ntxoo, gradients, rounded fab, voj voog, arcs, skew kab, thiab cov duab transformations.
Kauj ruam 4. Xaiv cov fonts uas koj xav siv. Xav txog tias txhua tus font xav tau flash nco ntxiv rau daim ntawv thov code tsim.

Yuav ua li cas los tsim ib txoj haujlwm AutoDevKit nrog AEK-LCD-LVGL tivthaiv raws li SPC58EC

Cov kauj ruam yog:
Kauj ruam 1. Tsim ib daim ntawv thov AutoDevKit Studio tshiab rau SPC58EC series microcontroller thiab ntxiv cov khoom nram qab no:
- SPC58ECxx Init Package Component RLA
- SPC58ECxx Low Level Tsav Tsheb Cheeb Tsam RLA
Nco tseg:
Ntxiv cov khoom no thaum pib, txwv tsis pub cov khoom seem tsis pom.
Kauj ruam 2. Ntxiv cov khoom nram qab no ntxiv:
Kauj ruam 2 a. AutoDevKit Init Pob Khoom
Kauj ruam 2 b. SPC58ECxx Platform Component RLA
Kauj ruam 2 c. AEK-LCD-DT028V1 Component RLA (saib UWM 2939 rau configuration)
Kauj ruam 2 d. AEK-LCD-LVGL Component RLAKauj ruam 3. Nyem lub pob [Alocation] nyob rau hauv lub AEK-LCD-LVGL configuration qhov rais. Qhov haujlwm no tso cai rau AEK-LCD-LVGL teeb tsa rau AutoDevKit.
Kauj Ruam 4. Qhov kev faib tau ua rau PIT timer peripheral. Koj tuaj yeem txheeb xyuas nws hauv Low-Level Driver tivthaiv.Kauj ruam 5. Tsim thiab tsim daim ntawv thov siv cov cim tsim nyog hauv AutoDevKit Studio. Qhov project folder s ces populated nrog tshiab files, suav nrog main.c. Cov ntaub ntawv tais ceev tseg yog populated ces nrog AEKLCD-DT028V1 thiab
AEK-LCD-LVGL tsav tsheb.
Kauj ruam 6. Qhib lub manic file thiab suav nrog AEK-LCD-DT028V1.h thiab AEK_LCD_LVGL.h files.Kauj ruam 7. Nyob rau hauv lub manic file, tom qab irqIsrEnable() muaj nuj nqi, ntxig cov haujlwm hauv qab no:Kauj ruam 8. Nyob rau hauv lub main.c, luam thiab paste tus example los ntawm lub tsev qiv ntawv LVGL coj los ntawm cov lus qhia ua haujlwm thiab muab tso rau hauv lub ntsiab ().Kauj ruam 9. Txuag, tsim, thiab sau daim ntawv thov.
Kauj Ruam 10. Qhib lub rooj tsavxwm view Tus kws kho mob muab los ntawm AutoDevKit Qhov no muab cov lus qhia taw qhia taw qhia txog yuav ua li cas xaim cov laug cam.
Kauj ruam 11. Txuas lub AEK-LCD-DT028V1 mus rau ib tug USB chaw nres nkoj ntawm koj lub PC siv ib tug mini-USB rau USB cable.
Kauj ruam 12. Tua tawm SPC5-UDESTK-SW thiab qhib qhov debug's file hauv AEK-LCD-LVGL- Daim Ntawv Thov / UDE nplaub tshev.
Kauj ruam 13. Khiav thiab debug koj cov cai.

Muaj demos rau AEK-LVGL

Muaj ntau ntau qhov kev qhia tau muab nrog AEK-LCD-LVGL tivthaiv:

• SPC582Bxx_RLA AEK_LCD_LVGL Test Application
• SPC58ECxx_RLA AEK-LCD_LVGL Test Application
• dual screen AVAS demo - SPC58ECxx_RLA_MainEcuForIntegratAVASControl - Daim Ntawv Thov Kev Xeem

Nco tseg: Ntau qhov demos tuaj yeem muaj nrog AutoDevKit tso tawm tshiab.

Advanced application example – dual screen AVAS demo

Ib daim ntawv thov qib siab tau ua tiav siv LVGL. Daim ntawv thov no rub lub tsheb ntsuas lub cav rau lub cav rpms hauv cov zaub thiab tswj xyuas cov kev ntsuas cuam tshuam.
Daim ntawv thov AVAS tau siv yog raws li AEK-AUD-C1D9031 pawg thawj coj saib thiab simulates lub cav lub suab ntawm lub suab qis kom ceeb toom cov neeg taug kev ntawm lub tsheb hluav taws xob los txog.
Nyob rau hauv lub demo, peb simulate acceleration thiab deceleration (piv txwv li, nce / txo ntawm rpms) ntawm lub tsheb cav thiab nws ntim los ntawm ib tug tswj vaj huam sib luag siv nyob rau hauv lub LCD npo ntawm AEK-LCD-DT028V1.Peb tau txuas ntxiv lub demo los ntawm kev ntxiv qhov thib ob AEK-LCD-DT028V1 LCD thiab siv lub tsev qiv ntawv LVGL los tsim lub ntsuas ntsuas ntsuas ntsuas lub cav rpm qhov tseem ceeb.
7.1 LVGL widgets siv
Txhawm rau tsim dual screen AVAS demo, peb tau siv LVGL widgets hauv qab no:

• Ib daim duab siv los ua tachometer tom qab
• Ib qho arc siv los ua qhov taw qhia tachometer
• Ib qho animation uas hloov kho tus nqi arc raws li lub cav rpm

7.1.1 LVGL duab widget
Txhawm rau siv cov duab nrog lub tsev qiv ntawv LVGL, hloov nws mus rau hauv C array los ntawm kev siv online dawb converter.Nco tseg:
Thaum hloov cov duab nco ntsoov zuam lub thawv ntawm Big-Endian hom.
Hauv ob lub vijtsam AVAS demo, C array sawv cev rau daim duab tachometer tau raug hu ua Gauge. Cov duab widget tau raug kho raws li raws li nram no:Qhov twg:

• lv_img_declare: yog siv los tshaj tawm cov duab hu ua Gauge.
• lv_img_create: yog siv los tsim cov duab khoom thiab muab nws tso rau hauv qhov screen tam sim no.
•  lv_img_set_src: qhov no yog cov duab tau los ntawm LVGL converter yav dhau los qhia (nws pom zoo kom siv hom jpg).
• lv_obj_align: yog siv los kho cov duab mus rau qhov chaw nrog ib qho offset.
• lv_obj_set_size: yog siv los teeb tsa cov duab loj.

Nco tseg:
Yog xav paub ntxiv txog kev tswj cov duab nrog lub tsev qiv ntawv LVGL, saib cov ntaub ntawv raug cai.
7.1.2 Ib qho LVGL arc widget
Ib tug multicolored arc tau tsim los qhia lub cav instantaneous rpms. Lub multicolored arc muaj ob qho tib si xim, liab thiab xiav, feem.Cov cai hauv qab no qhia yuav ua li cas los tsim ib qho arc:Qhov twg:

• lv_arc_create: tsim cov khoom arc.
• lv_arc_set_rotation: teeb tsa lub arc rotation.
•  lv_arc_set_bg_angles: teev qhov siab tshaj plaws thiab qhov tsawg kawg nkaus arc tus nqi hauv degrees.
• lv_arc_set_value: teev tus nqi pib ntawm arc ntawm xoom.
•  lv_obj_set_size: teeb tsa qhov ntev arc.
• lv_obj_remove_style: tshem tawm lub arc kawg pointer.
• lv_obj_clear_flag: teeb lub arc li tsis tau clickable.
• lv_obj_aligns: aligns arc mus rau qhov chaw nrog ib qho kev teev tseg.

7.1.3 Widget txuam animation
Ib qho tshwj xeeb arc animation muaj nuj nqi yog tsim thiab dhau mus rau LVGL lub cav kom pom cov kev hloov pauv rpm. Lub function code yog lub hauv qab no:Qhov twg:

• arc: yog tus taw tes rau qhov tam sim no arc widget
•  ncua: yog lub sijhawm ncua ua ntej cov animation pib
• pib: yog thawj qhov chaw arc
•  kawg: yog qhov kawg arc txoj hauj lwm
• ceev: yog lub animation ceev nyob rau hauv unit/sec.

Nco tseg: Yog xav paub ntxiv txog kev siv cov yeeb yaj kiab, xa mus rau LVGL cov ntaub ntawv. Xav tias qhov ua tiav arc muaj ob qhov sib txuas ua ke, peb yuav tsum tswj hwm cov duab ua kom zoo. Rau lub hom phiaj no, cia peb txheeb xyuas ob qhov xwm txheej sib txawv:

1. Case: cov animation koom nrog ib qho arc Hauv qhov yooj yim no, peb muab ib qho animation rau arc.
2. Case: cov animation muaj ob arches Nyob rau hauv cov ntaub ntawv no, lub animation ntawm lub thib ob arc pib thaum kawg ntawm lub animation ntawm thawj ib.

Ib qho kev ua haujlwm LVGL tshwj xeeb (lv_anim_speed_to_time) suav cov sijhawm animation. Lub sijhawm ua tiav no yog siv los suav qhov qeeb ntawm qhov thib ob arc animation.7.2 Dual core siv
Hauv ob lub vijtsam AVAS demo, tso saib thiab lub suab ua haujlwm ua haujlwm tau ua tiav nyob rau hauv lub sijhawm tiag tiag embedded system. Txhawm rau kov yeej qhov ua tsis tau ntawm lub cev ua haujlwm, peb tau txiav txim siab siv ob lub cores sib txawv: ib qho rau cov zaub thiab ib qho rau lub suab playback.
AEK-MCU-C4MLIT1 pawg thawj coj saib xyuas SPC58EC80E5 microcontroller nrog dual-core processor, qhov zoo tshaj plaws haum rau cov lus piav qhia saum toj no.
Hauv kev nthuav dav:

• Core 2: Nws yog thawj zaug pib, nws pib lub tsev qiv ntawv thiab tom qab ntawd ua tiav daim ntawv thov code.
• Core 0: Nws hu rau aek_lcd_lvgl_refresh_screen() ua haujlwm nyob rau hauv lub voj tseem ceeb, txhawm rau hloov kho tsis tu ncua cov zaub thiab nyeem cov lus kov.

Lub PIT ua haujlwm thiab aek_lcd_lvgl_refresh_screen() yuav tsum muab tso rau hauv tib lub ntsiab lus.
Kev kho keeb kwm
Table 1. Cov ntaub ntawv kho dua tshiab

Hnub tim	Kev kho dua	Hloov
4-Aug-23	1	Kev tso tawm thawj zaug.

CEEB TOOM - Nyeem ua tib zoo nyeem
STMicroelectronics NV thiab nws cov koom tes (“ST”) muaj cai hloov pauv, kho, txhim kho, hloov kho, thiab txhim kho rau ST cov khoom thiab/lossis cov ntaub ntawv no txhua lub sijhawm yam tsis muaj ntawv ceeb toom. Cov neeg yuav khoom yuav tsum tau txais cov ntaub ntawv tseem ceeb ntawm ST cov khoom ua ntej muab xaj. ST cov khoom raug muag raws li ST cov nqe lus thiab cov xwm txheej ntawm kev muag khoom nyob rau hauv qhov chaw thaum lub sijhawm lees paub kev txiav txim. Cov neeg yuav khoom tsuas yog lub luag haujlwm rau kev xaiv, xaiv, thiab siv cov khoom ST thiab ST xav tias tsis muaj kev lav phib xaub rau daim ntawv thov kev pab lossis kev tsim khoom ntawm cov neeg yuav khoom.
Tsis muaj daim ntawv tso cai, qhia lossis qhia, rau txhua txoj cai kev txawj ntse tau tso cai los ntawm ST ntawm no.
Kev muag khoom ntawm ST cov khoom lag luam nrog cov kev cai sib txawv ntawm cov ntaub ntawv tau teev tseg hauv qab no yuav tsis muaj kev lees paub los ntawm ST rau cov khoom lag luam zoo li no.
ST thiab ST logo yog cov cim lag luam ntawm ST. Yog xav paub ntxiv txog ST cov cim lag luam, xa mus rau www.st.com/trademarks. Tag nrho lwm yam khoom lossis kev pabcuam npe yog cov cuab yeej ntawm lawv cov tswv.
Cov ntaub ntawv hauv daim ntawv no hloov pauv thiab hloov cov ntaub ntawv yav dhau los uas tau muab rau hauv ib qho ua ntej ntawm daim ntawv no. © 2023 STMicroelectronics - All rights reserved

UM3236 – Rev 1 – October 2023
Yog xav paub ntxiv hu rau koj lub zos STMicroelectronics muag ntawm

Cov ntaub ntawv / Cov ntaub ntawv

STMicroelectronics UM3236 LVGL Cov Tsev Qiv Ntawv rau LCD Zaub [ua pdf] Tus neeg siv phau ntawv AEK-LCD-DT028V1, UM3236, UM3236 LVGL Cov Tsev Qiv Ntawv rau LCD Zaub, LVGL Cov Tsev Qiv Ntawv rau LCD Zaub

Cov ntaub ntawv

• Cov neeg siv phau ntawv