ST7789T3 ESP32 #3111

bbuster2 · 2023-12-14T15:34:06Z

bbuster2
Dec 14, 2023

I have bought a 1.83" ST7789T3 display but cannot get it working.

Display is bought here:
https://nl.aliexpress.com/item/1005005565821377.html?spm=a2g0o.order_list.order_list_main.11.205779d2rzxJEm&gatewayAdapt=glo2nld

Schematic:

In platformio, i use these biuld_flags:

build_flags = 
	-D USER_SETUP_LOADED=1
	-D ST7789_DRIVER=1
	-D SMOOTH_FONT=1
	-D TFT_MISO=-1
	-D TFT_MOSI=23
	-D TFT_SCLK=18
	-D TFT_CS=-1
	-D TFT_DC=2
	-D TFT_RST=4
	-D SPI_FREQUENCY=40000000
	-D SPI_READ_FREQUENCY=20000000

The display stays "black". I can control the backlight but i cannot get text or an image on the display.
I have the reset pin high (but also tried low), and the CS port connected to ground.

Is this display incompatible with the ESP32 or am i doing something wrong?

Bodmer · 2023-12-14T17:11:19Z

Bodmer
Dec 14, 2023
Maintainer

Try using the CS line on a GPIO pin. The reason is that the ST7789 is easy to lock up with garbage commands during power up.

Also run the Read_User_Setup sketch and check the output is correct, this shows whether the correct settings are being picked up.

0 replies

bbuster2 · 2023-12-14T17:51:51Z

bbuster2
Dec 14, 2023
Author

Thank you for your reply. Adding the CS pin didn't make a difference (also connected to the ESP32).

Here is my output:

[code]
TFT_eSPI ver = 2.5.41
Processor    = ESP32
Frequency    = 240MHz
Transactions = Yes
Interface    = SPI
Display driver = 7789
Display width  = 240
Display height = 320

MOSI    = GPIO 23
SCK     = GPIO 18
TFT_CS   = GPIO 27
TFT_DC   = GPIO 2
TFT_RST  = GPIO 4

Font GLCD   loaded
Smooth font enabled

Display SPI frequency = 40.00
[/code]

0 replies

bbuster2 · 2023-12-18T08:33:26Z

bbuster2
Dec 18, 2023
Author

Any idea?

0 replies

Bodmer · 2023-12-18T17:55:02Z

Bodmer
Dec 18, 2023
Maintainer

The Read_User_Setup output looks good. Check the connections are sound and correct. Check the supply voltage to the display is correct. Software options to try:

Use the alternative replacement driver, viz. -D ST7789_2_DRIVER=1
Add option -D TFT_SPI_MODE SPI_MODE0=1
Reduce the SPI frequency to 27MHz

You also need to define the width and height to get the coordinate offsets correct, but that would not stop the display working.
-D TFT_WIDTH=240
-D TFT_HEIGHT=280

0 replies

bbuster2 · 2023-12-19T08:40:50Z

bbuster2
Dec 19, 2023
Author

I tried but the same result.
I couldn't get -D TFT_SPI_MODE SPI_MODE0=1 to work
When i added that, i got the following error:

*** [.pio/build/esp32dev/firmware.elf] Implicit dependency /Users/{username}/.platformio/platforms/espressif32/builder/SPI_MODE0=1' not found, needed by target .pio/build/esp32dev/firmware.elf'.

-D USER_SETUP_LOADED=1
	-D ST7789_2_DRIVER=1
	; -D TFT_SPI_MODE SPI_MODE0=1
	-D TFT_SPI_MODE=1
	-D SPI_MODE0=1

	-D DISPLAY_WIDTH=280
	-D DISPLAY_HEIGHT=240
	-D TFT_WIDTH=280
	-D TFT_HEIGHT=240
	-D SMOOTH_FONT=1
	-D TFT_MISO=-1
	-D TFT_MOSI=23
	-D TFT_SCLK=18
	-D TFT_CS=27
	-D TFT_DC=2
	-D TFT_RST=4
	-D TFT_WIDTH=240
	-D TFT_HEIGHT=280
	-D SPI_FREQUENCY=27000000
	-D SPI_READ_FREQUENCY=20000000

But i am not sure if that can work. The display is still black

0 replies

bbuster2 · 2023-12-28T13:38:30Z

bbuster2
Dec 28, 2023
Author

My display looks really similar to this: https://www.buydisplay.com/1-83-inch-ips-tft-lcd-display-240x280-round-circle-screen-for-smart-watch

I see here the specifications show it is a NV3030B IC.
Can this work?

It is also 4 pin SPI

0 replies

Bodmer · 2023-12-28T22:00:43Z

Bodmer
Dec 28, 2023
Maintainer

That display may look similar but that does not mean yours has that NV3030B controller. You have to assume the vendors information is correct.

I made a mistake above, the option should read:

-D TFT_SPI_MODE=SPI_MODE0

And delete the line:
-D SPI_MODE0=1

0 replies

bbuster2 · 2023-12-29T11:09:32Z

bbuster2
Dec 29, 2023
Author

Thank you for your reply. Unfortunately i still cannot get anything on the display. It stays black

Maybe a really stupid question, but i don't see any chip on the display itself. It is just the screen with the 13 pin connector. Am i not missing something? (The driver chip?)

0 replies

bbuster2 · 2024-01-10T12:47:21Z

bbuster2
Jan 10, 2024
Author

Any idea?

0 replies

Bodmer · 2024-01-16T23:24:00Z

Bodmer
Jan 16, 2024
Maintainer

No further ideas on the problem.

I suggest you purchase a prebuilt board and get that running. That will help to identify the root cause (display/interface problem or library configuration issue. If you have access to an oscilloscope or logic analyser that may help debug the problem too.

0 replies

nstepanets · 2024-02-11T01:27:30Z

nstepanets
Feb 11, 2024

Most likely this display is on the NV3030B controller.

The controller is similar to ILI9341/GC9A01A but it seems that the initialization commands are different. I was able to get it working with ESP32 after using the code example from buydisplay.

0 replies

nstepanets · 2024-05-09T00:11:33Z

nstepanets
May 9, 2024

Any idea?

@bbuster2
If the question is still relevant, can you check the display with the changes from this pull request?
#3315

0 replies

belpower01 · 2024-06-14T22:18:00Z

belpower01
Jun 14, 2024

{
LCD_RST = 1;
Delayms(10);
LCD_RST = 0;
Delayms(10);
LCD_RST = 1;
Delayms(120);

NV3030B_MCU8_8080_CMD(0xfd);//private_access
NV3030B_MCU8_8080_DAT(0x06);
NV3030B_MCU8_8080_DAT(0x08);

NV3030B_MCU8_8080_CMD(0x61);//add
NV3030B_MCU8_8080_DAT(0x07);//
NV3030B_MCU8_8080_DAT(0x04);//
//bias
NV3030B_MCU8_8080_CMD(0x62);//bias setting
NV3030B_MCU8_8080_DAT(0x00);//01
NV3030B_MCU8_8080_DAT(0x44);//04 44
NV3030B_MCU8_8080_DAT(0x45);//44 65 40

NV3030B_MCU8_8080_CMD(0x63);//
NV3030B_MCU8_8080_DAT(0x41);//
NV3030B_MCU8_8080_DAT(0x07);//
NV3030B_MCU8_8080_DAT(0x12);//
NV3030B_MCU8_8080_DAT(0x12);//

NV3030B_MCU8_8080_CMD(0x64);//
NV3030B_MCU8_8080_DAT(0x37);//
//VSP
NV3030B_MCU8_8080_CMD(0x65);//Pump1=4.7MHz //PUMP1 VSP
NV3030B_MCU8_8080_DAT(0x09);//D6-5:pump1_clk[1:0] clamp 28 2b
NV3030B_MCU8_8080_DAT(0x10);//6.26
NV3030B_MCU8_8080_DAT(0x21);
//VSN
NV3030B_MCU8_8080_CMD(0x66); //pump=2 AVCL
NV3030B_MCU8_8080_DAT(0x09); //clamp 08 0b 09
NV3030B_MCU8_8080_DAT(0x10); //10
NV3030B_MCU8_8080_DAT(0x21);
//add source_neg_time
NV3030B_MCU8_8080_CMD(0x67);//pump_sel
NV3030B_MCU8_8080_DAT(0x20);//21 20
NV3030B_MCU8_8080_DAT(0x40);
//gamma vap/van
NV3030B_MCU8_8080_CMD(0x68);//gamma vap/van
NV3030B_MCU8_8080_DAT(0x90);//
NV3030B_MCU8_8080_DAT(0x4c);//
NV3030B_MCU8_8080_DAT(0x7c);//
NV3030B_MCU8_8080_DAT(0x66);//66 46 VCOM

NV3030B_MCU8_8080_CMD(0xb1);//frame rate
NV3030B_MCU8_8080_DAT(0x0F);//0x0f fr_h[5:0] 0F
NV3030B_MCU8_8080_DAT(0x02);//0x02 fr_v[4:0] 02
NV3030B_MCU8_8080_DAT(0x01);//0x04 fr_div[2:0] 03

NV3030B_MCU8_8080_CMD(0xB4);
NV3030B_MCU8_8080_DAT(0x01); //01:1dot 00:column
////porch
NV3030B_MCU8_8080_CMD(0xB5);
NV3030B_MCU8_8080_DAT(0x02);//0x02 vfp[6:0]
NV3030B_MCU8_8080_DAT(0x02);//0x02 vbp[6:0]
NV3030B_MCU8_8080_DAT(0x0a);//0x0A hfp[6:0]
NV3030B_MCU8_8080_DAT(0x14);//0x14 hbp[6:0]

NV3030B_MCU8_8080_CMD(0xB6);
NV3030B_MCU8_8080_DAT(0x04);//
NV3030B_MCU8_8080_DAT(0x01);//
NV3030B_MCU8_8080_DAT(0x9f);//
NV3030B_MCU8_8080_DAT(0x00);//
NV3030B_MCU8_8080_DAT(0x02);//
////gamme sel
NV3030B_MCU8_8080_CMD(0xdf);//
NV3030B_MCU8_8080_DAT(0x11);//gofc_gamma_en_sel=1
////gamma_test1 A1#wangly
//3030b_gamma_new
//GAMMA---------------------------------/////////////

//GAMMA---------------------------------/////////////
NV3030B_MCU8_8080_CMD(0xE2);
NV3030B_MCU8_8080_DAT(0x13);//vrp0[5:0] V0
NV3030B_MCU8_8080_DAT(0x00);//vrp1[5:0] V1
NV3030B_MCU8_8080_DAT(0x00);//vrp2[5:0] V2
NV3030B_MCU8_8080_DAT(0x30);//vrp3[5:0] V61
NV3030B_MCU8_8080_DAT(0x33);//vrp4[5:0] V62
NV3030B_MCU8_8080_DAT(0x3f);//vrp5[5:0] V63

NV3030B_MCU8_8080_CMD(0xE5);
NV3030B_MCU8_8080_DAT(0x3f);//vrn0[5:0] V63
NV3030B_MCU8_8080_DAT(0x33);//vrn1[5:0] V62
NV3030B_MCU8_8080_DAT(0x30);//vrn2[5:0] V61
NV3030B_MCU8_8080_DAT(0x00);//vrn3[5:0] V2
NV3030B_MCU8_8080_DAT(0x00);//vrn4[5:0] V1
NV3030B_MCU8_8080_DAT(0x13);//vrn5[5:0] V0

NV3030B_MCU8_8080_CMD(0xE1);
NV3030B_MCU8_8080_DAT(0x00);//prp0[6:0] V15
NV3030B_MCU8_8080_DAT(0x57);//prp1[6:0] V51

NV3030B_MCU8_8080_CMD(0xE4);
NV3030B_MCU8_8080_DAT(0x58);//prn0[6:0] V51
NV3030B_MCU8_8080_DAT(0x00);//prn1[6:0] V15

NV3030B_MCU8_8080_CMD(0xE0);
NV3030B_MCU8_8080_DAT(0x01);//pkp0[4:0] V3
NV3030B_MCU8_8080_DAT(0x03);//pkp1[4:0] V7
NV3030B_MCU8_8080_DAT(0x0d);//pkp2[4:0] V21
NV3030B_MCU8_8080_DAT(0x0e);//pkp3[4:0] V29 //
NV3030B_MCU8_8080_DAT(0x0e);//pkp4[4:0] V37
NV3030B_MCU8_8080_DAT(0x0c);//pkp5[4:0] V45
NV3030B_MCU8_8080_DAT(0x15);//pkp6[4:0] V56
NV3030B_MCU8_8080_DAT(0x19);//pkp7[4:0] V60

NV3030B_MCU8_8080_CMD(0xE3);
NV3030B_MCU8_8080_DAT(0x1a);//pkn0[4:0] V60
NV3030B_MCU8_8080_DAT(0x16);//pkn1[4:0] V56
NV3030B_MCU8_8080_DAT(0x0c);//pkn2[4:0] V45
NV3030B_MCU8_8080_DAT(0x0f);//pkn3[4:0] V37
NV3030B_MCU8_8080_DAT(0x0e);//pkn4[4:0] V29 //
NV3030B_MCU8_8080_DAT(0x0d);//pkn5[4:0] V21
NV3030B_MCU8_8080_DAT(0x02);//pkn6[4:0] V7
NV3030B_MCU8_8080_DAT(0x01);//pkn7[4:0] V3
//GAMMA---------------------------------/////////////

//source
NV3030B_MCU8_8080_CMD(0xE6);
NV3030B_MCU8_8080_DAT(0x00);
NV3030B_MCU8_8080_DAT(0xff);//SC_EN_START[7:0] f0

NV3030B_MCU8_8080_CMD(0xE7);
NV3030B_MCU8_8080_DAT(0x01);//CS_START[3:0] 01
NV3030B_MCU8_8080_DAT(0x04);//scdt_inv_sel cs_vp_en
NV3030B_MCU8_8080_DAT(0x03);//CS1_WIDTH[7:0] 12
NV3030B_MCU8_8080_DAT(0x03);//CS2_WIDTH[7:0] 12
NV3030B_MCU8_8080_DAT(0x00);//PREC_START[7:0] 06
NV3030B_MCU8_8080_DAT(0x12);//PREC_WIDTH[7:0] 12

NV3030B_MCU8_8080_CMD(0xE8); //source
NV3030B_MCU8_8080_DAT(0x00); //VCMP_OUT_EN 81-
NV3030B_MCU8_8080_DAT(0x70); //chopper_sel[6:4]
NV3030B_MCU8_8080_DAT(0x00); //gchopper_sel[6:4] 60
////gate
NV3030B_MCU8_8080_CMD(0xEc);
NV3030B_MCU8_8080_DAT(0x52);//52

NV3030B_MCU8_8080_CMD(0xF1);
NV3030B_MCU8_8080_DAT(0x01);//te_pol tem_extend 00 01 03
NV3030B_MCU8_8080_DAT(0x01);
NV3030B_MCU8_8080_DAT(0x02);

NV3030B_MCU8_8080_CMD(0xF6);//
NV3030B_MCU8_8080_DAT(0x09);//
NV3030B_MCU8_8080_DAT(0x10);//
NV3030B_MCU8_8080_DAT(0x00);//
NV3030B_MCU8_8080_DAT(0x00);//40 3ПЯ2НЁµА

NV3030B_MCU8_8080_CMD(0xfd);
NV3030B_MCU8_8080_DAT(0xfa);
NV3030B_MCU8_8080_DAT(0xfc);

NV3030B_MCU8_8080_CMD(0x3a);
NV3030B_MCU8_8080_DAT(0x05);//SH 0x66

NV3030B_MCU8_8080_CMD(0x35);
NV3030B_MCU8_8080_DAT(0x00);

NV3030B_MCU8_8080_CMD(0x36);//bgr_[3]
NV3030B_MCU8_8080_DAT(0x00);//c0

NV3030B_MCU8_8080_CMD(0x21);

NV3030B_MCU8_8080_CMD(0x11); // exit sleep
Delayms(200);
NV3030B_MCU8_8080_CMD(0x29); // display on
Delayms(10);
}

/====================================================/
void address(void)
{
NV3030B_MCU8_8080_CMD(0x2A); //Column Address Set
NV3030B_MCU8_8080_DAT(0x00);
NV3030B_MCU8_8080_DAT(0x00);
NV3030B_MCU8_8080_DAT(0x00);
NV3030B_MCU8_8080_DAT(0xEF); /* 240 */

NV3030B_MCU8_8080_CMD(0x2B);   //Row Address Set   
NV3030B_MCU8_8080_DAT(0x00);
NV3030B_MCU8_8080_DAT(0x14);    /*  20  */
NV3030B_MCU8_8080_DAT(0x01);
NV3030B_MCU8_8080_DAT(0x2B);   /*  299  */
			   
NV3030B_MCU8_8080_CMD(0x2C);

}

/SLEEP IN*****/
void EnterSleep(void)
{
NV3030B_MCU8_8080_CMD(0x28);
NV3030B_MCU8_8080_CMD(0x10);
Delayms(120);
}

/SLEEP OUT*****/
void ExitSleep(void)
{

NV3030B_MCU8_8080_CMD(0x11);
Delayms(120);
NV3030B_MCU8_8080_CMD(0x29);
    Delayms(10);

}

1 reply

nstepanets Jun 18, 2024

NV3030B_MCU8_8080_CMD(0x3a);
NV3030B_MCU8_8080_DAT(0x05);//SH 0x66

According to the datasheet, the correct value is 0x55

NV3030B_MCU8_8080_CMD(0x35);
NV3030B_MCU8_8080_DAT(0x00);

Tearing effect line on - I'm not sure that modes that are not used on other displays should be enabled.

NV3030B_MCU8_8080_CMD(0x36);//bgr_[3]
NV3030B_MCU8_8080_DAT(0x00);//c0

This is the default value, there is no point in setting it again.

belpower01 · 2024-06-14T22:35:29Z

belpower01
Jun 14, 2024

void LCD_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_SetBits(GPIOA,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5);

}

void LCD_Writ_Bus(u8 dat)
{
u8 i;
LCD_CS_Clr();
for(i=0;i<8;i++)
{
LCD_SCLK_Clr();
if(dat&0x80)
{
LCD_MOSI_Set();
}
else
{
LCD_MOSI_Clr();
}
LCD_SCLK_Set();
dat<<=1;
}
LCD_CS_Set();
}

void LCD_WR_DATA8(u8 dat)
{
LCD_Writ_Bus(dat);
}

void LCD_WR_DATA(u16 dat)
{
LCD_Writ_Bus(dat>>8);
LCD_Writ_Bus(dat);
}

void LCD_WR_REG(u8 dat)
{
LCD_DC_Clr();
LCD_Writ_Bus(dat);
LCD_DC_Set();
}

void LCD_Address_Set(u16 x1,u16 y1,u16 x2,u16 y2)
{
if(USE_HORIZONTAL==0)
{
LCD_WR_REG(0x2a);
LCD_WR_DATA(x1);
LCD_WR_DATA(x2);
LCD_WR_REG(0x2b);
LCD_WR_DATA(y1+20);
LCD_WR_DATA(y2+20);
LCD_WR_REG(0x2c);
}
else if(USE_HORIZONTAL==1)
{
LCD_WR_REG(0x2a);
LCD_WR_DATA(x1);
LCD_WR_DATA(x2);
LCD_WR_REG(0x2b);
LCD_WR_DATA(y1+20);
LCD_WR_DATA(y2+20);
LCD_WR_REG(0x2c);
}
else if(USE_HORIZONTAL==2)
{
LCD_WR_REG(0x2a);
LCD_WR_DATA(x1+20);
LCD_WR_DATA(x2+20);
LCD_WR_REG(0x2b);
LCD_WR_DATA(y1);
LCD_WR_DATA(y2);
LCD_WR_REG(0x2c);
}
else
{
LCD_WR_REG(0x2a);
LCD_WR_DATA(x1+20);
LCD_WR_DATA(x2+20);
LCD_WR_REG(0x2b);
LCD_WR_DATA(y1);
LCD_WR_DATA(y2);
LCD_WR_REG(0x2c);
}
}
void LCD_Init(void)
{
LCD_GPIO_Init();

LCD_RES_Set();
delay_ms(10);
LCD_RES_Clr();
delay_ms(10);
LCD_RES_Set();
delay_ms(120);

LCD_BLK_Set();

LCD_WR_REG(0xfd);
LCD_WR_DATA8(0x06);
LCD_WR_DATA8(0x08);

LCD_WR_REG(0x61);
LCD_WR_DATA8(0x07);
LCD_WR_DATA8(0x04);

LCD_WR_REG(0x62);
LCD_WR_DATA8(0x00);
LCD_WR_DATA8(0x44);
LCD_WR_DATA8(0x45);

LCD_WR_REG(0x63);
LCD_WR_DATA8(0x41);
LCD_WR_DATA8(0x07);
LCD_WR_DATA8(0x12);
LCD_WR_DATA8(0x12);

LCD_WR_REG(0x64);
LCD_WR_DATA8(0x37);
//VSP
LCD_WR_REG(0x65);
LCD_WR_DATA8(0x09);
LCD_WR_DATA8(0x10);
LCD_WR_DATA8(0x21);
//VSN
LCD_WR_REG(0x66); 
LCD_WR_DATA8(0x09); 
LCD_WR_DATA8(0x10); 
LCD_WR_DATA8(0x21);
//add source_neg_time
LCD_WR_REG(0x67);//pump_sel
LCD_WR_DATA8(0x20);//21 20
LCD_WR_DATA8(0x40);

//gamma vap/van
LCD_WR_REG(0x68);//gamma vap/van
LCD_WR_DATA8(0x90);//
LCD_WR_DATA8(0x4c);//
LCD_WR_DATA8(0x7C);//VCOM  
LCD_WR_DATA8(0x66);//

LCD_WR_REG(0xb1);//frame rate
LCD_WR_DATA8(0x0F);//0x0f fr_h[5:0] 0F
LCD_WR_DATA8(0x02);//0x02 fr_v[4:0] 02
LCD_WR_DATA8(0x01);//0x04 fr_div[2:0] 04

LCD_WR_REG(0xB4);
LCD_WR_DATA8(0x01); //01:1dot 00:column
////porch
LCD_WR_REG(0xB5);
LCD_WR_DATA8(0x02);//0x02 vfp[6:0]
LCD_WR_DATA8(0x02);//0x02 vbp[6:0]
LCD_WR_DATA8(0x0a);//0x0A hfp[6:0]
LCD_WR_DATA8(0x14);//0x14 hbp[6:0]

LCD_WR_REG(0xB6);
LCD_WR_DATA8(0x04);//
LCD_WR_DATA8(0x01);//
LCD_WR_DATA8(0x9f);//
LCD_WR_DATA8(0x00);//
LCD_WR_DATA8(0x02);//
////gamme sel
LCD_WR_REG(0xdf);//
LCD_WR_DATA8(0x11);//gofc_gamma_en_sel=1
////gamma_test1 A1#_wangly
//3030b_gamma_new_
//GAMMA---------------------------------/////////////

//GAMMA---------------------------------/////////////
LCD_WR_REG(0xE2);	
LCD_WR_DATA8(0x13);//vrp0[5:0]	V0 13
LCD_WR_DATA8(0x00);//vrp1[5:0]	V1 
LCD_WR_DATA8(0x00);//vrp2[5:0]	V2 
LCD_WR_DATA8(0x30);//vrp3[5:0]	V61 
LCD_WR_DATA8(0x33);//vrp4[5:0]	V62 
LCD_WR_DATA8(0x3f);//vrp5[5:0]	V63

LCD_WR_REG(0xE5);	
LCD_WR_DATA8(0x3f);//vrn0[5:0]	V63
LCD_WR_DATA8(0x33);//vrn1[5:0]	V62	
LCD_WR_DATA8(0x30);//vrn2[5:0]	V61 
LCD_WR_DATA8(0x00);//vrn3[5:0]	V2 
LCD_WR_DATA8(0x00);//vrn4[5:0]	V1 
LCD_WR_DATA8(0x13);//vrn5[5:0]  V0 13

LCD_WR_REG(0xE1);	
LCD_WR_DATA8(0x00);//prp0[6:0]	V15
LCD_WR_DATA8(0x57);//prp1[6:0]	V51 

LCD_WR_REG(0xE4);	
LCD_WR_DATA8(0x58);//prn0[6:0]	V51 
LCD_WR_DATA8(0x00);//prn1[6:0]  V15

LCD_WR_REG(0xE0);
LCD_WR_DATA8(0x01);//pkp0[4:0]	V3 
LCD_WR_DATA8(0x03);//pkp1[4:0]	V7  
LCD_WR_DATA8(0x0d);//pkp2[4:0]	V21
LCD_WR_DATA8(0x0e);//pkp3[4:0]	V29 
LCD_WR_DATA8(0x0e);//pkp4[4:0]	V37 
LCD_WR_DATA8(0x0c);//pkp5[4:0]	V45 
LCD_WR_DATA8(0x15);//pkp6[4:0]	V56 
LCD_WR_DATA8(0x19);//pkp7[4:0]	V60 

LCD_WR_REG(0xE3);	
LCD_WR_DATA8(0x1a);//pkn0[4:0]	V60 
LCD_WR_DATA8(0x16);//pkn1[4:0]	V56 
LCD_WR_DATA8(0x0C);//pkn2[4:0]	V45 
LCD_WR_DATA8(0x0f);//pkn3[4:0]	V37 
LCD_WR_DATA8(0x0e);//pkn4[4:0]	V29 
LCD_WR_DATA8(0x0d);//pkn5[4:0]	V21 
LCD_WR_DATA8(0x02);//pkn6[4:0]	V7  
LCD_WR_DATA8(0x01);//pkn7[4:0]	V3 
//GAMMA---------------------------------/////////////

//source
LCD_WR_REG(0xE6);
LCD_WR_DATA8(0x00);
LCD_WR_DATA8(0xff);//SC_EN_START[7:0] f0

LCD_WR_REG(0xE7);
LCD_WR_DATA8(0x01);//CS_START[3:0] 01
LCD_WR_DATA8(0x04);//scdt_inv_sel cs_vp_en
LCD_WR_DATA8(0x03);//CS1_WIDTH[7:0] 12
LCD_WR_DATA8(0x03);//CS2_WIDTH[7:0] 12
LCD_WR_DATA8(0x00);//PREC_START[7:0] 06
LCD_WR_DATA8(0x12);//PREC_WIDTH[7:0] 12

LCD_WR_REG(0xE8); //source
LCD_WR_DATA8(0x00); //VCMP_OUT_EN 81-
LCD_WR_DATA8(0x70); //chopper_sel[6:4]
LCD_WR_DATA8(0x00); //gchopper_sel[6:4] 60
////gate
LCD_WR_REG(0xEc);
LCD_WR_DATA8(0x52);//52

LCD_WR_REG(0xF1);
LCD_WR_DATA8(0x01);//te_pol tem_extend 00 01 03
LCD_WR_DATA8(0x01);
LCD_WR_DATA8(0x02);


LCD_WR_REG(0xF6);
LCD_WR_DATA8(0x09);
LCD_WR_DATA8(0x10);
LCD_WR_DATA8(0x00);//
LCD_WR_DATA8(0x00);//40 3ПЯ2НЁµА

LCD_WR_REG(0xfd);
LCD_WR_DATA8(0xfa);
LCD_WR_DATA8(0xfc);

LCD_WR_REG(0x3a);
LCD_WR_DATA8(0x05);//

LCD_WR_REG(0x35);
LCD_WR_DATA8(0x00);

LCD_WR_REG(0x36);
if(USE_HORIZONTAL==0)LCD_WR_DATA8(0x08);
else if(USE_HORIZONTAL==1)LCD_WR_DATA8(0xC8);
else if(USE_HORIZONTAL==2)LCD_WR_DATA8(0x78);
else LCD_WR_DATA8(0xA8);


LCD_WR_REG(0x21); 

LCD_WR_REG(0x11); // exit sleep
delay_ms(200);
LCD_WR_REG(0x29); // display on
delay_ms(10);

}

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ST7789T3 ESP32 #3111

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ST7789T3 ESP32 #3111

bbuster2 Dec 14, 2023

Replies: 14 comments · 1 reply

Bodmer Dec 14, 2023 Maintainer

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bbuster2
Dec 14, 2023

Replies: 14 comments 1 reply

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Dec 14, 2023
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Bodmer
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