Is it possible to add the SSD1286 controller to tft_espi

[hannescam]

I am wondering if it would be possible to add the SSD1286 (something like LPU4CG031) controller to TFT_eSPI.

[Bodmer]

Yes it is possible, but since I do not have one of those displays, so it does not make sense for me to try and add it as any additions to the library must be tested and debugged.

[hannescam]

but would it be hard to do

[Bodmer]

Not hard but it can be time consuming tracking down problems if things do not work straight away.

[avtozapusk]

https://github.com/ZinggJM/SSD1283A/tree/master Maybe it's worth taking this library and changing it a little?

For example, make small changes in this file SSD1283A.cpp

Most likely you need to replace this piece of code:

void SSD1283A::init(void)
{
digitalWrite(_cs, HIGH);
SPI.begin();
//SPI.beginTransaction( { SPI_SPEED, MSBFIRST, SPI_MODE0 } );
if (_rst >= 0)
{
digitalWrite(_rst, LOW);
delay(2);
digitalWrite(_rst, HIGH);
}
setBackLight(true);
delay(200);
static const uint16_t SSD1283A_regValues[] PROGMEM =
{
0x10, 0x2F8E,
0x11, 0x000C,
0x07, 0x0021,
0x28, 0x0006,
0x28, 0x0005,
0x27, 0x057F,
0x29, 0x89A1,
0x00, 0x0001,
TFTLCD_DELAY16, 100,
0x29, 0x80B0,
TFTLCD_DELAY16, 30,
0x29, 0xFFFE,
0x07, 0x0223,
TFTLCD_DELAY16, 30,
0x07, 0x0233,
0x01, 0x2183,
0x03, 0x6830,
0x2F, 0xFFFF,
0x2C, 0x8000,
0x27, 0x0570,
0x02, 0x0300,
0x0B, 0x580C,
0x12, 0x0609,
0x13, 0x3100,
};
_init_table16(SSD1283A_regValues, sizeof(SSD1283A_regValues));
setRotation(_rotation);
invertDisplay(false);
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

This piece will probably be correct

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

void SSD1283A::init(void)
{
digitalWrite(_cs, HIGH);
SPI.begin();
//SPI.beginTransaction( { SPI_SPEED, MSBFIRST, SPI_MODE0 } );
if (_rst >= 0)
{
digitalWrite(_rst, LOW);
delay(2);
digitalWrite(_rst, HIGH);
}
setBackLight(true);
delay(200);
static const uint16_t SSD1283A_regValues[] PROGMEM =
{

/*
0x10, 0x2F8E,
0x11, 0x000C,
0x07, 0x0021,
0x28, 0x0006,
0x28, 0x0005,
0x27, 0x057F,
0x29, 0x89A1,
0x00, 0x0001,
TFTLCD_DELAY16, 100,
0x29, 0x80B0,
TFTLCD_DELAY16, 30,
0x29, 0xFFFE,
0x07, 0x0223,
TFTLCD_DELAY16, 30,
0x07, 0x0233,
0x01, 0x2183,
0x03, 0x6830,
0x2F, 0xFFFF,
0x2C, 0x8000,
0x27, 0x0570,
0x02, 0x0300,
0x0B, 0x580C,
0x12, 0x0609,
0x13, 0x3100,
*/

///////////////////////////////////////////////////////////////////////////////////////////
// This information is on page 27 of this document //
//////////https://datasheet.lcsc.com/lcsc/2303301800_ALPSALPINE-LPU4CG031B_C5439700.pdf///

0x00, 0x0001, // Oscillation start 00 0001
0x10, 0x1F92, // Power control (1) 10 1F92
0x11, 0x0014, // Power control (2) 11 0014
0x28, 0x0006, // Test Enable 28 0006
0x00, 0x0001, // Oscillation start 00 0001
0x10, 0x1F92, // Power control (1) 10 1F92
0x11, 0x0014, // Power control (2) 11 0014
0x02, 0x0000, // LCD drive AC control 02 0000
0x12, 0x040B, // Power control (3) 12 040B
0x03, 0x4830, // Entry mode 03 4830
0x01, 0x31AF, // Driver output control 01 31AF
0x07, 0x0033, // Display control 07 0033
0x42, 0xAF00, // 1st Screen driving 42 AF00
0x21, 0x0000, // RAM address set 21 0000
0x44, 0x8300, // Hor. RAM address 44 8300
0x45, 0xAF00, // Ver. RAM address 45 AF00
0x2C, 0x3000, // Oscillator frequency 2C 3000
0x29, 0x0000, // Analog Enable 29 0000
0x13, 0x3000, // Power Control 4 13 3000

};
_init_table16(SSD1283A_regValues, sizeof(SSD1283A_regValues));
setRotation(_rotation);
invertDisplay(false);
}

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

I have such a display (SSD1286A SPI).

If he's alive I can check it out

[hannescam]

maybe i will try
and will it require maintaning work or not