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Added ST7789 initialization
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Andriy Makukha committed Aug 1, 2018
1 parent 73c1831 commit 8eefc6f
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Showing 3 changed files with 198 additions and 32 deletions.
90 changes: 82 additions & 8 deletions TFT_Drivers/ST7789_Defines.h
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Original file line number Diff line number Diff line change
@@ -1,7 +1,11 @@
// Change the width and height if required (defined in portrait mode)
// or use the constructor to over-ride defaults
#define TFT_WIDTH 240
#define TFT_HEIGHT 240
#ifndef TFT_WIDTH
#define TFT_WIDTH 240
#endif
#ifndef TFT_HEIGHT
#define TFT_HEIGHT 320
#endif

#define CGRAM_OFFSET

Expand All @@ -15,25 +19,20 @@

#define TFT_SLPIN 0x10
#define TFT_SLPOUT 0x11

#define TFT_NORON 0x13

#define TFT_INVOFF 0x20
#define TFT_INVON 0x21

#define TFT_DISPOFF 0x28
#define TFT_DISPON 0x29

#define TFT_CASET 0x2A
#define TFT_PASET 0x2B
#define TFT_RAMWR 0x2C

#define TFT_RAMRD 0x2E

#define TFT_MADCTL 0x36

#define TFT_COLMOD 0x3A

// Flags for TFT_MADCTL
#define TFT_MAD_MY 0x80
#define TFT_MAD_MX 0x40
#define TFT_MAD_MV 0x20
Expand All @@ -46,4 +45,79 @@

#define TFT_IDXRD 0x00 // ILI9341 only, indexed control register read

// ST7789 specific commands used in init
#define ST7789_NOP 0x00
#define ST7789_SWRESET 0x01
#define ST7789_RDDID 0x04
#define ST7789_RDDST 0x09

#define ST7789_RDDPM 0x0A // Read display power mode
#define ST7789_RDD_MADCTL 0x0B // Read display MADCTL
#define ST7789_RDD_COLMOD 0x0C // Read display pixel format
#define ST7789_RDDIM 0x0D // Read display image mode
#define ST7789_RDDSM 0x0E // Read display signal mode
#define ST7789_RDDSR 0x0F // Read display self-diagnostic result (ST7789V)

#define ST7789_SLPIN 0x10
#define ST7789_SLPOUT 0x11
#define ST7789_PTLON 0x12
#define ST7789_NORON 0x13

#define ST7789_INVOFF 0x20
#define ST7789_INVON 0x21
#define ST7789_GAMSET 0x26 // Gamma set
#define ST7789_DISPOFF 0x28
#define ST7789_DISPON 0x29
#define ST7789_CASET 0x2A
#define ST7789_RASET 0x2B
#define ST7789_RAMWR 0x2C
#define ST7789_RGBSET 0x2D // Color setting for 4096, 64K and 262K colors
#define ST7789_RAMRD 0x2E

#define ST7789_PTLAR 0x30
#define ST7789_VSCRDEF 0x33 // Vertical scrolling definition (ST7789V)
#define ST7789_TEOFF 0x34 // Tearing effect line off
#define ST7789_TEON 0x35 // Tearing effect line on
#define ST7789_MADCTL 0x36 // Memory data access control
#define ST7789_IDMOFF 0x38 // Idle mode off
#define ST7789_IDMON 0x39 // Idle mode on
#define ST7789_RAMWRC 0x3C // Memory write continue (ST7789V)
#define ST7789_RAMRDC 0x3E // Memory read continue (ST7789V)
#define ST7789_COLMOD 0x3A

#define ST7789_RAMCTRL 0xB0 // RAM control
#define ST7789_RGBCTRL 0xB1 // RGB control
#define ST7789_PORCTRL 0xB2 // Porch control
#define ST7789_FRCTRL1 0xB3 // Frame rate control
#define ST7789_PARCTRL 0xB5 // Partial mode control
#define ST7789_GCTRL 0xB7 // Gate control
#define ST7789_GTADJ 0xB8 // Gate on timing adjustment
#define ST7789_DGMEN 0xBA // Digital gamma enable
#define ST7789_VCOMS 0xBB // VCOMS setting
#define ST7789_LCMCTRL 0xC0 // LCM control
#define ST7789_IDSET 0xC1 // ID setting
#define ST7789_VDVVRHEN 0xC2 // VDV and VRH command enable
#define ST7789_VRHS 0xC3 // VRH set
#define ST7789_VDVSET 0xC4 // VDV setting
#define ST7789_VCMOFSET 0xC5 // VCOMS offset set
#define ST7789_FRCTR2 0xC6 // FR Control 2
#define ST7789_CABCCTRL 0xC7 // CABC control
#define ST7789_REGSEL1 0xC8 // Register value section 1
#define ST7789_REGSEL2 0xCA // Register value section 2
#define ST7789_PWMFRSEL 0xCC // PWM frequency selection
#define ST7789_PWCTRL1 0xD0 // Power control 1
#define ST7789_VAPVANEN 0xD2 // Enable VAP/VAN signal output
#define ST7789_CMD2EN 0xDF // Command 2 enable
#define ST7789_PVGAMCTRL 0xE0 // Positive voltage gamma control
#define ST7789_NVGAMCTRL 0xE1 // Negative voltage gamma control
#define ST7789_DGMLUTR 0xE2 // Digital gamma look-up table for red
#define ST7789_DGMLUTB 0xE3 // Digital gamma look-up table for blue
#define ST7789_GATECTRL 0xE4 // Gate control
#define ST7789_SPI2EN 0xE7 // SPI2 enable
#define ST7789_PWCTRL2 0xE8 // Power control 2
#define ST7789_EQCTRL 0xE9 // Equalize time control
#define ST7789_PROMCTRL 0xEC // Program control
#define ST7789_PROMEN 0xFA // Program mode enable
#define ST7789_NVMSET 0xFC // NVM setting
#define ST7789_PROMACT 0xFE // Program action

134 changes: 115 additions & 19 deletions TFT_Drivers/ST7789_Init.h
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@@ -1,24 +1,120 @@

// This is the command sequence that initialises the ST7789 driver

// Configure ST7789 display
//
// This setup information uses simple 8 bit SPI writecommand() and writedata() functions
//
// See ST7735_Setup.h file for an alternative format

{
static const uint8_t PROGMEM
st7789[] = {
9,
TFT_SWRST, TFT_INIT_DELAY, 150,
TFT_SLPOUT, TFT_INIT_DELAY, 255,
TFT_COLMOD, 1+TFT_INIT_DELAY, 0x55, 10,
TFT_MADCTL, 1, TFT_MAD_RGB,
TFT_CASET, 4, 0x00, 0x00, 0x00, 0xF0,
TFT_PASET, 4, 0x00, 0x00, 0x00, 0xF0,
TFT_INVON, TFT_INIT_DELAY, 10,
TFT_NORON, TFT_INIT_DELAY, 10,
TFT_DISPON, TFT_INIT_DELAY, 255
};

commandList(st7789);
}
// End of ST7789 display configuration
writecommand(ST7789_SLPOUT); // Sleep out
delay(120);

writecommand(ST7789_NORON); // Normal display mode on

//------------------------------display and color format setting--------------------------------//
writecommand(ST7789_MADCTL);
writedata(0x00);
writedata(0x48);

// JLX240 display datasheet
writecommand(0xB6);
writedata(0x0A);
writedata(0x82);

writecommand(ST7789_COLMOD);
writedata(0x55);

//--------------------------------ST7789V Frame rate setting----------------------------------//
writecommand(ST7789_PORCTRL);
writedata(0x0c);
writedata(0x0c);
writedata(0x00);
writedata(0x33);
writedata(0x33);

writecommand(ST7789_GCTRL); // Voltages: VGH / VGL
writedata(0x35);

//---------------------------------ST7789V Power setting--------------------------------------//
writecommand(ST7789_VCOMS);
writedata(0x28); // JLX240 display datasheet

writecommand(ST7789_LCMCTRL);
writedata(0x0C);

writecommand(ST7789_VDVVRHEN);
writedata(0x01);
writedata(0xFF);

writecommand(ST7789_VRHS); // voltage VRHS
writedata(0x10);

writecommand(ST7789_VDVSET);
writedata(0x20);

writecommand(ST7789_FRCTR2);
writedata(0x0f);

writecommand(ST7789_PWCTRL1);
writedata(0xa4);
writedata(0xa1);

//--------------------------------ST7789V gamma setting---------------------------------------//
writecommand(ST7789_PVGAMCTRL);
writedata(0xd0);
writedata(0x00);
writedata(0x02);
writedata(0x07);
writedata(0x0a);
writedata(0x28);
writedata(0x32);
writedata(0x44);
writedata(0x42);
writedata(0x06);
writedata(0x0e);
writedata(0x12);
writedata(0x14);
writedata(0x17);

writecommand(ST7789_NVGAMCTRL);
writedata(0xd0);
writedata(0x00);
writedata(0x02);
writedata(0x07);
writedata(0x0a);
writedata(0x28);
writedata(0x31);
writedata(0x54);
writedata(0x47);
writedata(0x0e);
writedata(0x1c);
writedata(0x17);
writedata(0x1b);
writedata(0x1e);

writecommand(ST7789_INVOFF);

writecommand(ST7789_CASET); // Column address set
writedata(0x00);
writedata(0x00);
writedata(0x00);
writedata(0xE5); // 239

writecommand(ST7789_RASET); // Row address set
writedata(0x00);
writedata(0x00);
writedata(0x01);
writedata(0x3F); // 319

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

spi_end();
delay(120);
spi_begin();

writecommand(ST7789_DISPON); //Display on

// Turn on the back-light LED
digitalWrite(TFT_BL, HIGH);
pinMode(TFT_BL, OUTPUT);
}
6 changes: 1 addition & 5 deletions TFT_eSPI.h
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Expand Up @@ -35,11 +35,7 @@
#define SPI_READ_FREQUENCY SPI_FREQUENCY
#endif

#ifdef ST7789_DRIVER
#define TFT_SPI_MODE SPI_MODE3
#else
#define TFT_SPI_MODE SPI_MODE0
#endif
#define TFT_SPI_MODE SPI_MODE0

// If the frequency is not defined, set a default
#ifndef SPI_TOUCH_FREQUENCY
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