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added grayscale4 2.66" (maybe could use a better LUT)

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ladyada 2025-07-08 11:13:32 -04:00
parent 47ff649e73
commit 13b24818d6
4 changed files with 188 additions and 4 deletions
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4
examples/ThinkInk_gray4/ThinkInk_gray4.ino
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@ -38,6 +38,10 @@
ThinkInk_213_Grayscale4_MFGN display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY,
EPD_SPI);
// 2.66" Grayscale Featherwing or Breakout (SSD1680)
// ThinkInk_266_Grayscale4_MFGN display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY,
// EPD_SPI);
// 2.9" Grayscale Featherwing or Breakout:
//ThinkInk_290_Grayscale4_T5 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY,
// EPD_SPI);

12
examples/ThinkInk_tricolor/ThinkInk_tricolor.ino
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@ -43,8 +43,8 @@ ThinkInk_213_Tricolor_RW display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY,
EPD_SPI);
// 2.13" Tricolor EPD with SSD1680Z chipset
//ThinkInk_213_Tricolor_MFGNR display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS,
// EPD_BUSY, EPD_SPI);
// ThinkInk_213_Tricolor_MFGNR display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS,
// EPD_BUSY, EPD_SPI);
// 2.13" Tricolor EPD with IL0373 chipset
// ThinkInk_213_Tricolor_Z16 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS,
@ -52,8 +52,8 @@ ThinkInk_213_Tricolor_RW display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY,
// 2.66" Tricolor EPD with SSD1680Z chipset
//ThinkInk_266_Tricolor_MFGNR display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS,
// EPD_BUSY, EPD_SPI);
// ThinkInk_266_Tricolor_MFGNR display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS,
// EPD_BUSY, EPD_SPI);
// 2.7" Tricolor Featherwing or Breakout with IL91874 chipset
@ -85,6 +85,10 @@ ThinkInk_213_Tricolor_RW display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY,
// ThinkInk_420_Tricolor_Z21 display(EPD_DC, EPD_RESET,
// EPD_CS, SRAM_CS, EPD_BUSY, EPD_SPI);
// 4.2" Tricolor EPD with SSD1683 chipset
// ThinkInk_420_Tricolor_MFGNR display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS,
// EPD_BUSY, EPD_SPI);
void setup() {
Serial.begin(115200);
while (!Serial) {

1
src/Adafruit_ThinkInk.h
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@ -21,6 +21,7 @@
#include "panels/ThinkInk_213_Tricolor_MFGNR.h"
#include "panels/ThinkInk_213_Tricolor_RW.h"
#include "panels/ThinkInk_213_Tricolor_Z16.h"
#include "panels/ThinkInk_266_Grayscale4_MFGN.h"
#include "panels/ThinkInk_266_Tricolor_MFGNR.h"
#include "panels/ThinkInk_270_Grayscale4_W3.h"
#include "panels/ThinkInk_270_Tricolor_C44.h"

175
src/panels/ThinkInk_266_Grayscale4_MFGN.h Normal file
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@ -0,0 +1,175 @@
#ifndef _THINKINK_266_GRAYSCALE4_MFGN_H
#define _THINKINK_266_GRAYSCALE4_MFGN_H
// This file is #included by Adafruit_ThinkInk.h and does not need to
// #include anything else to pick up the EPD header or ink mode enum.
// clang-format off
static const uint8_t ti_266mfgn_gray4_init_code[] {
SSD1680_SW_RESET, 0, // soft reset
0xFF, 100, // busy wait
SSD1680_DRIVER_CONTROL, 3, 0x27, 0x01, 0x00, // Driver output
SSD1680_DATA_MODE, 1, 0x03, // Ram data entry mode
SSD1680_WRITE_BORDER, 1, 0x04, // border color
SSD1680_SET_RAMXCOUNT, 1, 1,
SSD1680_SET_RAMYCOUNT, 2, 0, 0,
0x3F, 1, 0x22, // ???
SSD1680_GATE_VOLTAGE, 1, 0x17, // Set gate voltage
SSD1680_SOURCE_VOLTAGE, 3, 0x41, 0xAE, 0x32, // Set source voltage
SSD1680_WRITE_VCOM, 1, 0x28, // Vcom Voltage
0xFE // EOM
};
static const uint8_t ti_266mfgn_monopart_init_code[] {
SSD1680_SW_RESET, 0, // soft reset
0xFF, 20, // busy wait
SSD1680_DRIVER_CONTROL, 3, 0x27, 0x01, 0x00, // Driver output
SSD1680_DATA_MODE, 1, 0x03, // Ram data entry mode
SSD1680_DISP_CTRL1, 2, 0x00, 0x80, // Display update
SSD1680_SET_RAMXCOUNT, 1, 1,
SSD1680_SET_RAMYCOUNT, 2, 0, 0,
SSD1680_WRITE_BORDER, 1, 0x05, // border color
0x3F, 1, 0x22, // ???
SSD1680_GATE_VOLTAGE, 1, 0x17, // Set gate voltage
SSD1680_SOURCE_VOLTAGE, 3, 0x41, 0x00, 0x32, // Set source voltage
SSD1680_WRITE_VCOM, 1, 0x36, // Vcom Voltage
0xFE // EOM
};
static const uint8_t ti_266mfgn_monofull_init_code[] {
SSD1680_SW_RESET, 0, // soft reset
0xFF, 20, // busy wait
SSD1680_DRIVER_CONTROL, 3, 0x27, 0x01, 0x00, // Driver output
SSD1680_DATA_MODE, 1, 0x03, // Ram data entry mode
SSD1680_DISP_CTRL1, 2, 0x00, 0x80, // Display update
SSD1680_SET_RAMXCOUNT, 1, 1,
SSD1680_SET_RAMYCOUNT, 2, 0, 0,
SSD1680_WRITE_BORDER, 1, 0x05, // border color
//0x3F, 1, 0x22, // End of LUT normal
//SSD1680_GATE_VOLTAGE, 1, 0x17, // Set gate voltage
//SSD1680_SOURCE_VOLTAGE, 3, 0x41, 0x00, 0x32, // Set source voltage
//SSD1680_WRITE_VCOM, 1, 0x36, // Vcom Voltage
SSD1680_DISP_CTRL2, 1, 0x20, // Load LUT from OTP (default mono)
0xFE
};
static const uint8_t ti_266mfgn_monofull_lut_code[] = {
0x32, 153,
0x80, 0x66, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0,
0x10, 0x66, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0,
0x80, 0x66, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0,
0x10, 0x66, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x14, 0x8, 0x0, 0x0,
0x0, 0x0, 0x1, 0xA, 0xA, 0x0, 0xA, 0xA,
0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x14, 0x8, 0x0, 0x1,
0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x0, 0x0, 0x0,
0xFE
};
static const uint8_t ti_266mfgn_monopart_lut_code[] = {
0xFE // EOM
};
static const uint8_t ti_266mfgn_gray4_lut_code[] = {
0x32, 233,
0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x60, 0x10, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x28, 0x60, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x2A, 0x60, 0x15, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x05,
0x14, 0x00, 0x00, 0x1E, 0x1E, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02, 0x00, 0x05, 0x14, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x24, 0x22, 0x22, 0x22, 0x23, 0x32, 0x00, 0x00, 0x00,
0xFE // EOM
};
// clang-format on
class ThinkInk_266_Grayscale4_MFGN : public Adafruit_SSD1680 {
public:
ThinkInk_266_Grayscale4_MFGN(int16_t SID, int16_t SCLK, int16_t DC,
int16_t RST, int16_t CS, int16_t SRCS,
int16_t MISO, int16_t BUSY = -1)
: Adafruit_SSD1680(296, 152, SID, SCLK, DC, RST, CS, SRCS, MISO, BUSY){};
ThinkInk_266_Grayscale4_MFGN(int16_t DC, int16_t RST, int16_t CS,
int16_t SRCS, int16_t BUSY = -1,
SPIClass* spi = &SPI)
: Adafruit_SSD1680(296, 152, DC, RST, CS, SRCS, BUSY, spi){};
void begin(thinkinkmode_t mode = THINKINK_GRAYSCALE4) {
Adafruit_SSD1680::begin(true);
inkmode = mode; // Preserve ink mode for ImageReader or others
_xram_offset = 0;
if (mode == THINKINK_GRAYSCALE4) {
setColorBuffer(1, false); // layer 0 inverted
setBlackBuffer(0, false); // layer 1 inverted
_epd_init_code = ti_266mfgn_gray4_init_code;
_epd_lut_code = ti_266mfgn_gray4_lut_code;
layer_colors[EPD_WHITE] = 0b00;
layer_colors[EPD_BLACK] = 0b11;
layer_colors[EPD_RED] = 0b01;
layer_colors[EPD_GRAY] = 0b10;
layer_colors[EPD_LIGHT] = 0b01;
layer_colors[EPD_DARK] = 0b10;
_display_update_val = 0xC7;
} else if (mode == THINKINK_MONO) {
_epd_init_code = ti_266mfgn_monofull_init_code;
//_epd_lut_code = ti_266mfgn_monofull_lut_code;
//_epd_partial_init_code = ti_266mfgn_monopart_init_code;
//_epd_partial_lut_code = ti_266mfgn_monopart_lut_code;
setColorBuffer(0, true); // layer 0 uninverted
setBlackBuffer(0, true); // only one buffer
layer_colors[EPD_WHITE] = 0b00;
layer_colors[EPD_BLACK] = 0b01;
layer_colors[EPD_RED] = 0b01;
layer_colors[EPD_GRAY] = 0b01;
layer_colors[EPD_LIGHT] = 0b00;
layer_colors[EPD_DARK] = 0b01;
setRotation(0);
}
default_refresh_delay = 1000;
powerDown();
}
};
#endif // _THINKINK_266_GRAYSCALE4_MFGN_H