adafruit-mirror/Adafruit_EPD
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

will look later

Browse source
This commit is contained in:
ladyada 2024-06-17 11:02:26 -04:00
parent 7ceba0d332
commit cae2506c50
6 changed files with 54 additions and 45 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

31
examples/ThinkInk_gray4/ThinkInk_gray4.ino
View file

@ -11,19 +11,19 @@
#ifdef ARDUINO_ADAFRUIT_FEATHER_RP2040_THINKINK // detects if compiling for #ifdef ARDUINO_ADAFRUIT_FEATHER_RP2040_THINKINK // detects if compiling for
// Feather RP2040 ThinkInk // Feather RP2040 ThinkInk
#define EPD_DC PIN_EPD_DC // ThinkInk 24-pin connector DC #define EPD_DC PIN_EPD_DC // ThinkInk 24-pin connector DC
#define EPD_CS PIN_EPD_CS // ThinkInk 24-pin connector CS #define EPD_CS PIN_EPD_CS // ThinkInk 24-pin connector CS
#define EPD_BUSY PIN_EPD_BUSY // ThinkInk 24-pin connector Busy #define EPD_BUSY PIN_EPD_BUSY // ThinkInk 24-pin connector Busy
#define SRAM_CS -1 // use onboard RAM #define SRAM_CS -1 // use onboard RAM
#define EPD_RESET PIN_EPD_RESET // ThinkInk 24-pin connector Reset #define EPD_RESET PIN_EPD_RESET // ThinkInk 24-pin connector Reset
#define EPD_SPI &SPI1 // secondary SPI for ThinkInk #define EPD_SPI &SPI1 // secondary SPI for ThinkInk
#else #else
#define EPD_DC 10 #define EPD_DC 10
#define EPD_CS 9 #define EPD_CS 9
#define EPD_BUSY 7 // can set to -1 to not use a pin (will wait a fixed delay) #define EPD_BUSY 7 // can set to -1 to not use a pin (will wait a fixed delay)
#define SRAM_CS 6 #define SRAM_CS 6
#define EPD_RESET 8 // can set to -1 and share with microcontroller Reset! #define EPD_RESET 8 // can set to -1 and share with microcontroller Reset!
#define EPD_SPI &SPI // primary SPI #define EPD_SPI &SPI // primary SPI
#endif #endif
// ThinkInk_154_Grayscale4_T8 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, // ThinkInk_154_Grayscale4_T8 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS,
@ -31,8 +31,11 @@
// EPD_CS, SRAM_CS, EPD_BUSY, EPD_SPI); // EPD_CS, SRAM_CS, EPD_BUSY, EPD_SPI);
// 2.9" Grayscale Featherwing or Breakout: // 2.9" Grayscale Featherwing or Breakout:
ThinkInk_290_Grayscale4_T5 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY, ThinkInk_290_Grayscale4_T5 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY, EPD_SPI);
EPD_SPI);
// 2.9" Grayscale Featherwing or Breakout with SSD1680
ThinkInk_290_Grayscale4_T94 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY, EPD_SPI);
// 4.2" Grayscale display // 4.2" Grayscale display
// ThinkInk_420_Grayscale4_T2 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, // ThinkInk_420_Grayscale4_T2 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS,
// EPD_BUSY, EPD_SPI); // EPD_BUSY, EPD_SPI);

5
src/Adafruit_EPD.cpp
View file

@ -521,9 +521,8 @@ void Adafruit_EPD::EPD_commandList(const uint8_t *init_code) {
continue; continue;
} }
if (num_args > sizeof(buf)) { if (num_args > sizeof(buf)) {
Serial.println("ERROR - buf not large enough!"); Serial.println("ERROR - buf not large enough, trying to send manually");
while (1) return EPD_command(cmd, init_code, num_args);
delay(10);
} }
for (int i = 0; i < num_args; i++) { for (int i = 0; i < num_args; i++) {

2
src/Adafruit_EPD.h
View file

@ -20,7 +20,7 @@
#ifndef _ADAFRUIT_EPD_H_ #ifndef _ADAFRUIT_EPD_H_
#define _ADAFRUIT_EPD_H_ #define _ADAFRUIT_EPD_H_
//#define EPD_DEBUG #define EPD_DEBUG
#define RAMBUFSIZE 64 ///< size of the ram buffer #define RAMBUFSIZE 64 ///< size of the ram buffer

6
src/drivers/Adafruit_SSD1680.cpp
View file

@ -139,7 +139,7 @@ void Adafruit_SSD1680::update() {
uint8_t buf[1]; uint8_t buf[1];
// display update sequence // display update sequence
buf[0] = 0xF4; buf[0] = 0xC7;
EPD_command(SSD1680_DISP_CTRL2, buf, 1); EPD_command(SSD1680_DISP_CTRL2, buf, 1);
EPD_command(SSD1680_MASTER_ACTIVATE); EPD_command(SSD1680_MASTER_ACTIVATE);
@ -169,6 +169,10 @@ void Adafruit_SSD1680::powerUp() {
} }
EPD_commandList(init_code); EPD_commandList(init_code);
if (_epd_lut_code) {
EPD_commandList(_epd_lut_code);
}
uint8_t height = HEIGHT; uint8_t height = HEIGHT;
if ((height % 8) != 0) { if ((height % 8) != 0) {
height += 8 - (height % 8); height += 8 - (height % 8);

2
src/drivers/Adafruit_SSD1680.h
View file

@ -31,7 +31,7 @@
#define SSD1680_SET_RAMXCOUNT 0x4E #define SSD1680_SET_RAMXCOUNT 0x4E
#define SSD1680_SET_RAMYCOUNT 0x4F #define SSD1680_SET_RAMYCOUNT 0x4F
#define SSD1680_SET_ANALOGBLOCKCTRL 0x74 #define SSD1680_SET_ANALOGBLOCKCTRL 0x74
#define SSD1680_SET_DIGITBLOCKCTRL 0x74 #define SSD1680_SET_DIGITBLOCKCTRL 0x7E
/**************************************************************************/ /**************************************************************************/
/*! /*!

53
src/panels/ThinkInk_290_Grayscale4_T94.h
View file

@ -4,7 +4,9 @@
// This file is #included by Adafruit_ThinkInk.h and does not need to // 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. // #include anything else to pick up the EPD header or ink mode enum.
const uint8_t ti_290t94_gray4_lut_code[153] = { const uint8_t ti_290t94_gray4_lut_code[156] = {
// gray LUT
0x32, 153,
0x40, 0x48, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, 0x48, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x8, 0x48, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x48, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x2, 0x48, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x48, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
@ -23,6 +25,8 @@ const uint8_t ti_290t94_gray4_lut_code[153] = {
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,
0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x0, 0x0, 0x0, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x0, 0x0, 0x0,
0xFE // EOM
}; };
static const uint8_t ti_290t94_monofull_init_code[] { static const uint8_t ti_290t94_monofull_init_code[] {
@ -44,15 +48,19 @@ static const uint8_t ti_290t94_monofull_init_code[] {
}; };
static const uint8_t ti_290t94_grayfull_init_code[] { static const uint8_t ti_290t94_gray4_init_code[] {
SSD1680_SW_RESET, 0, // soft reset SSD1680_SW_RESET, 0, // soft reset
0xFF, 20, // busy wait 0xFF, 20, // busy wait
SSD1680_SET_ANALOGBLOCKCTRL, 1, 0x54, //set analog block control SSD1680_SET_ANALOGBLOCKCTRL, 1, 0x54, //set analog block control
SSD1680_SET_DIGITBLOCKCTRL, 1, 0x3B, //set digital block control SSD1680_SET_DIGITBLOCKCTRL, 1, 0x3B, //set digital block control
SSD1680_DRIVER_CONTROL, 3, 0x27, 0x01, 0x00, //Driver output control SSD1680_DRIVER_CONTROL, 3, 0x27, 0x01, 0x00, //Driver output control
SSD1680_DATA_MODE, 1, 0x01, //data entry mode SSD1680_DATA_MODE, 1, 0x03, //data entry mode
SSD1680_SET_RAMXPOS, 2, 0x00, 0x0F, //set Ram-X address start/end position SSD1680_SET_RAMXPOS, 2, 0x00, 0x0F, //set Ram-X address start/end position
SSD1680_SET_RAMYPOS, 4, 0x27, 0x01, 0x00, 0x00, //set Ram-Y address start/end position SSD1680_SET_RAMYPOS, 4, 0x27, 0x01, 0x00, 0x00, //set Ram-Y address start/end position
SSD1680_WRITE_BORDER, 1, 0x00, //BorderWavefrom SSD1680_WRITE_BORDER, 1, 0x00, //BorderWavefrom
SSD1680_WRITE_VCOM, 1, 0x1C, SSD1680_WRITE_VCOM, 1, 0x1C,
@ -60,29 +68,12 @@ static const uint8_t ti_290t94_grayfull_init_code[] {
SSD1680_GATE_VOLTAGE, 1, 0x17, //VGH SSD1680_GATE_VOLTAGE, 1, 0x17, //VGH
SSD1680_SOURCE_VOLTAGE, 3, 0x41, 0x0, 0x32, // VSH1, VSH2, VSL SSD1680_SOURCE_VOLTAGE, 3, 0x41, 0x0, 0x32, // VSH1, VSH2, VSL
// gray LUT
0x32, 153, 0x40, 0x48, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x8, 0x48, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x2, 0x48, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x20, 0x48, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0xA, 0x19, 0x0, 0x3, 0x8, 0x0, 0x0,
0x14, 0x1, 0x0, 0x14, 0x1, 0x0, 0x3,
0xA, 0x3, 0x0, 0x8, 0x19, 0x0, 0x0,
0x1, 0x0, 0x0, 0x0, 0x0, 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,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x0, 0x0, 0x0,
SSD1680_DISP_CTRL1, 2, 0x00, 0x80, //Display update control SSD1680_DISP_CTRL1, 2, 0x00, 0x80, //Display update control
//SSD1680_TEMP_CONTROL, 1, 0x80, //Read built-in temperature sensor
SSD1680_SET_RAMXCOUNT, 1, 0x00, //set RAM x address count to 0 SSD1680_SET_RAMXCOUNT, 1, 0x00, //set RAM x address count to 0
SSD1680_SET_RAMYCOUNT, 2, 0x27, 0x01, //set RAM y address count to 0X199 SSD1680_SET_RAMYCOUNT, 2, 0x27, 0x01, //set RAM y address count to 0X199
0xFE // EOM 0xFE // EOM
}; };
@ -104,7 +95,20 @@ public:
inkmode = mode; // Preserve ink mode for ImageReader or others inkmode = mode; // Preserve ink mode for ImageReader or others
if (mode == THINKINK_MONO) { if (mode == THINKINK_GRAYSCALE4) {
_xram_offset = 0;
_epd_init_code = ti_290t94_gray4_init_code;
_epd_lut_code = ti_290t94_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;
default_refresh_delay = 2000;
} else if (mode == THINKINK_MONO) {
_xram_offset = 0; _xram_offset = 0;
_epd_init_code = ti_290t94_monofull_init_code; _epd_init_code = ti_290t94_monofull_init_code;
@ -119,7 +123,6 @@ public:
default_refresh_delay = 500; default_refresh_delay = 500;
} }
setRotation(0); setRotation(0);
powerDown(); powerDown();
} }