Ukusetyenziswa koMbane oLungisayo weLCD waMandla asekwe kwi-DWIN T5L ASIC

——Kwabelwane ngayo kwi-DWIN Froum

Ukusebenzisa i-chip ye-DWIN T5L1 njengeyona nto ingundoqo yokulawula umatshini wonke, ifumana kunye neenkqubo zokuthinta, ukufumana i-ADC, ulwazi lolawulo lwe-PWM, kwaye iqhube isikrini se-LCD ye-3.5-intshi ukubonisa isimo sangoku ngexesha langempela. Ukuxhasa uhlengahlengiso olukude lokukhanya komthombo wokukhanya kwe-LED ngokusebenzisa imodyuli yeWiFi, kunye ne-alarm yenkxaso yelizwi.

Iimpawu zenkqubo:

1. Yamkela i-chip ye-T5L ukuba iqhube kwi-frequency ephezulu, isampuli ye-analog ye-AD izinzile, kwaye impazamo incinci;

2. Inkxaso TYPE C eqhagamshelwe ngokuthe ngqo kwi-PC ukwenzela ukulungisa iimpazamo kunye nokutshiswa kweprogram;

3. Ukuxhasa ujongano olungundoqo oluphezulu lwe-OS, i-16bit parallel port; UI core PWM port, AD port lead out, i-design yesicelo esiphantsi, akukho mfuneko yokongeza i-MCU;

4. Inkxaso ye-WiFi, i-Bluetooth remote control;

5. Inkxaso ye-5 ~ 12V DC yombane obanzi kunye nokufakwa koluhlu olubanzi

1.1 Umzobo wesicwangciso

1.2 ibhodi yePCB

1.3 Ujongano lomsebenzisi

Intshayelelo yehlazo:

(1) Uyilo lwesekethe yezixhobo

1.4 T5L48320C035 umzobo wesekethe

1. Unikezelo lwamandla engqiqo ye-MCU 3.3V: C18, C26, C27, C28, C29, C31, C32, C33;

2. Umbane ongundoqo we-MCU 1.25V: C23, C24;

3. Unikezelo lwamandla e-analog ye-MCU 3.3V: I-C35 ngumbane we-analog ye-MCU. Xa i-typesetting, i-core 1.25V yomhlaba kunye nomhlaba we-logic unokudibaniswa kunye, kodwa umhlaba we-analog kufuneka uhlukaniswe. Umhlaba we-analog kunye nomhlaba wedijithali kufuneka uqokelelwe kwisibonda esibi se-LDO semveliso ye-capacitor enkulu, kunye ne-analog positive pole kufuneka kwakhona iqokelelwe kwi-polepositive ye-LDO capacitor enkulu, ukwenzela ukuba i-sampling ye-AD Ingxolo iyancipha.

4. Isiphaluka se-AD ye-analog yokufumana isiphaluka: I-CP1 yi-AD ye-analog input filter capacitor. Ukuze kuncitshiswe impazamo yesampulu, umhlaba we-analog kunye nomhlaba wedijithali we-MCU uhlukaniswe ngokuzimeleyo. I-pole negative ye-CP1 kufuneka ixhunywe kumhlaba we-analog ye-MCU kunye ne-impedance encinci, kunye ne-capacitors ezimbini ezihambelanayo ze-crystal oscillator zixhunywe kumhlaba we-analog ye-MCU.

5. Isekethe ye-Buzzer: I-C25 yi-capacitor yonikezelo lwamandla kwi-buzzer. I-buzzer sisixhobo se-inductive, kwaye kuya kubakho i-peak current ngexesha lokusebenza. Ukuze unciphise i-peak, kuyimfuneko ukunciphisa i-MOS drive yangoku ye-buzzer ukwenza ityhubhu ye-MOS isebenze kwindawo yomgca, kwaye uyilo isiphaluka ukuze isebenze kwimodi yokutshintsha. Qaphela ukuba i-R18 kufuneka idityaniswe ngokunxuseneyo kuzo zombini iziphelo ze-buzzer ukulungisa umgangatho wesandi we-buzzer kwaye wenze i-buzzer isandi esimnandi kwaye simnandi.

6. Isekethe ye-WiFi: isampuli ye-chip ye-WiFi ESP32-C, ene-WiFi+Bluetooth+BLE. Kwiingcingo, umhlaba wombane weRF kunye nomhlaba wesignali zahluliwe.

1.5 uyilo lwesekethe yeWiFi

Kulo mfanekiso ungentla, inxalenye ephezulu yobhedu yobhedu yi-loop yomhlaba wamandla. I-antenna ye-WiFi ebonisa iluphu yomhlaba kufuneka ibe nommandla omkhulu kumhlaba wamandla, kwaye indawo yokuqokelela indawo yamandla yipali engalunganga ye-C6. Umbane okhoyo obonakalisiweyo kufuneka unikezwe phakathi komhlaba wamandla kunye ne-eriyali ye-WiFi, ngoko ke kufuneka kubekho i-copper coating phantsi kwe-eriyali ye-WiFi. Ubude bengubo yobhedu budlula ubude bokwandiswa kwe-antenna ye-WiFi, kwaye ukwandiswa kuya kwandisa uvakalelo lwe-WiFi; khomba kwipali engafanelekanga yeC2. Indawo enkulu yobhedu inokukhusela ingxolo ebangelwa yimitha ye-antenna ye-WiFi. Imihlaba emi-2 yobhedu yahlulwe kumqolo osezantsi kwaye iqokelelwe kwipadi ephakathi ye-ESP32-C nge-vias. Umhlaba wamandla weRF udinga i-impedance esezantsi kunelophu yomqondiso, ngoko ke kukho ii-vias ezi-6 ukusuka kumhlaba wamandla ukuya kwi-chip pad ukuqinisekisa ukuthintela okuphantsi ngokwaneleyo. Iluphu esemhlabeni yecrystal oscillator ayinakuba namandla eRF aqukuqelayo kuyo, kungenjalo icrystal oscillator iya kuvelisa ijitha yamaxesha, kwaye iWiFi frequency offset ayizukwazi ukuthumela nokufumana idatha.

7. I-backlight ye-LED yesiphaluka sombane: I-SOT23-6LED isampula ye-chip yomqhubi. Umbane we-DC / DC kwi-LED ngokuzimeleyo yenza i-loop, kunye ne-DC / DC umhlaba uqhagamshelwe kumhlaba we-3.3V LOD. Ekubeni i-port core ye-PWM2 ikhethekileyo, ikhupha isignali ye-600K ye-PWM, kwaye i-RC yongezwa ukusebenzisa imveliso ye-PWM njengolawulo lwe-ON / OFF.

8. Uluhlu lwegalelo lombane: ezimbini ze-DC / DC ze-step-downs ziyilwe. Qaphela ukuba i-R13 kunye ne-R17 resistors kwisekethe ye-DC/DC ayinakushiyeka. Iitshiphusi ezimbini zeDC/DC zixhasa ukuya kuthi ga kwigalelo le-18V, elilungele unikezelo lwamandla lwangaphandle.

9. I-USB TYPE C debug port: UHLOBO C lunokudityaniswa kwaye lukhutshwe ngaphambili nangasemva. Ufakelo lwangaphambili lunxibelelana netshiphu yeWIFI ESP32-C ukucwangcisa itshiphu yeWIFI; ukufakela umva kunxibelelana ne-XR21V1410IL16 ukulungiselela i-T5L. UHLOBO C luxhasa umbane we-5V.

10. Unxibelelwano lwe-port parallel: I-T5L OS engundoqo inamachweba amaninzi e-IO yamahhala, kunye ne-16bit parallel unxibelelwano lwe-port lungenziwa. Idityaniswe ne-ST ARM FMC ehambelanayo ye-port protocol, ixhasa ukufunda nokubhala okuhambelanayo.

11. I-LCM RGB idizayini ye-interface ye-speed-speed interface: I-T5L RGB imveliso iqhagamshelwe ngokuthe ngqo kwi-LCM RGB, kwaye ukuxhathisa i-buffer yongezwa phakathi ukunciphisa ukuphazamiseka kwamanzi e-LCM. Xa i-wiring, nciphisa ubude be-interface ye-RGB yoxhumo, ngokukodwa i-PCLK uphawu, kwaye ukwandise i-PCLK ye-RGB interface, i-HS, i-VS, i-DE amanqaku okuvavanya; i-SPI port yesikrini ixhunyiwe kwi-P2.4 ~ P2.7 izibuko ze-T5L, ezilungele ukuyila umqhubi wesikrini. Ukukhokela ngaphandle kwe-RST, i-nCS, i-SDA, i-SCI amanqaku okuvavanya ukuququzelela ukuphuhliswa kwesoftware ephantsi.

(2) I-interface ye-DGUS

1.6 Ulawulo lokubonisa oluguquguqukayo lwedatha

(3) OS
//——————————— DGUS ukufunda nokubhala ifomathi
uhlobo lwe-typedef
{
u16 ukongeza; //UI 16bit idilesi eguquguqukayo
u8 DatLen; //8bitdata ubude
u8 *pBuf; //8bit isalathisi sedatha
} UI_packTypeDef; //DGUS funda kwaye ubhale iipakethi

//——————————-ulawulo oluguquguqukayo lwedatha
uhlobo lwe-typedef
{
u16 VP;
u16 X;
u16 Y;
U16 Umbala;
u8 Lib_ID;
u8 Ubungakanani befonti;
u8 Ulungelelwaniso;
u8 IntNum;
u8 Disemba;
u8 Uhlobo;
u8 LenUint;
u8 StringUinit[11];
} Inani_spTypeDef; //ulwakhiwo lwenkcazo eguquguqukayo yedatha

uhlobo lwe-typedef
{
Inani_spTypeDef sp; //chaza isalathi senkcazo ye-SP
UI_packTypeDef spPack; //chaza SP variable DGUS funda kwaye ubhale ipakethe
UI_packTypeDef vpPack; //chaza i-vp eguquguqukayo ye-DGUS yokufunda nokubhala ipakethe
} Number_HandleTypeDef; //ulwakhiwo oluguquguqukayo lwedatha

Ngenkcazelo yangaphambili yokutshintsha komqheba wedatha. Okulandelayo, chaza ukuguquguquka kwesiboniso sesampulu sombane:
Inombolo_HandleTypeDef Hsample;
U16 isampuli yombane;

Okokuqala, yenza umsebenzi wokuqalisa
NumberSP_Init(&Hsample,voltage_sample,0×8000); //0×8000 nantsi isalathisi senkcazo
//——Utshintsho lwedatha olubonisa ukuqaliswa kwesakhiwo sesalathisi se-SP——
iVoid NumberSP_Init(Number_HandleTypeDef *inombolo,u8 *ixabiso, u16 numberAddr)
{
inombolo->spPack.addr = numberAddr;
inani->spPack.datLen = sizeof(inombolo->sp);
inani->spPack.pBuf = (u8 *)&number->sp;
        
Funda_Dgus(&inombolo->spPack);
inombolo-> vpPack.addr = inombolo-> sp.VP;
tshintsha (inombolo-> sp.Type) // Ubude bedatha ye-vp eguquguqukayo ikhethwa ngokuzenzekelayo ngokohlobo lwedatha oluyilwe kwi-interface ye-DGUS.

{
imeko 0:
imeko 5:
inombolo->vpPack.datLen = 2;
ikhefu;
imeko 1:
ityala 2:
ityala 3:
imeko 6:
inombolo->vpPack.datLen = 4;
imeko 4:
inombolo->vpPack.datLen = 8;
ikhefu;
}
inombolo->vpPack.pBuf = ixabiso;
}

Emva kokuqaliswa, i-Hsample.sp sisalathisi senkcazo yedatha yesampulu yombane; I-Hsample.spPack sisalathisi sonxibelelwano phakathi kwe-OS engundoqo kunye ne-UI yombane wesampulu yedatha eguquguqukayo ngokusebenzisa umsebenzi wojongano lwe-DGUS; I-Hsample.vpPack luphawu lokutshintsha i-voltage yesampuli yedatha eguquguqukayo, njengeMibala yefonti, njl njl. I-Hsample.vpPack.addr yidilesi yedatha yesampulu yombane, efunyenwe ngokuzenzekelayo kumsebenzi wokuqalisa. Xa utshintsha idilesi eguquguqukayo okanye uhlobo lwedatha eguquguqukayo kwi-interface ye-DGUS, akukho mfuneko yokuhlaziya idilesi eguquguqukayo kwi-OS core synchronously. Emva kokuba i-OS core ibala i-voltage_sample variable, idinga kuphela ukwenza umsebenzi we-Writ_Dgus (&Hsample.vpPack) ukuyihlaziya. Akukho mfuneko yokupakisha i-voltage_sample yokuhanjiswa kwe-DGUS.