From aeed8adc95fd06d285ac1e2cf0fb0db26c74d0cb Mon Sep 17 00:00:00 2001 From: norbert-walter Date: Fri, 20 Sep 2024 12:35:48 +0200 Subject: [PATCH] Modify GxEPD lib for GDEY042T81 --- .../GxEPD2_420_GDEY042T81_mod.cpp.txt | 394 ++++++++++++++++++ lib/obp60task/obp60task.cpp | 12 +- 2 files changed, 400 insertions(+), 6 deletions(-) create mode 100644 lib/obp60task/GxEPD2_420_GDEY042T81_mod.cpp.txt diff --git a/lib/obp60task/GxEPD2_420_GDEY042T81_mod.cpp.txt b/lib/obp60task/GxEPD2_420_GDEY042T81_mod.cpp.txt new file mode 100644 index 00000000..62bed9b5 --- /dev/null +++ b/lib/obp60task/GxEPD2_420_GDEY042T81_mod.cpp.txt @@ -0,0 +1,394 @@ +// Display Library for SPI e-paper panels from Dalian Good Display and boards from Waveshare. +// Requires HW SPI and Adafruit_GFX. Caution: the e-paper panels require 3.3V supply AND data lines! +// +// based on Demo Example from Good Display, available here: https://www.good-display.com/product/386.html +// Panel: GDEY042T81 : https://www.good-display.com/product/386.html +// Controller : SSD1683 : https://v4.cecdn.yun300.cn/100001_1909185148/SSD1683.PDF +// +// Author: Jean-Marc Zingg +// +// Version: see library.properties +// +// Library: https://github.com/ZinggJM/GxEPD2 + +#include "GxEPD2_420_GDEY042T81.h" + +GxEPD2_420_GDEY042T81::GxEPD2_420_GDEY042T81(int16_t cs, int16_t dc, int16_t rst, int16_t busy) : + GxEPD2_EPD(cs, dc, rst, busy, HIGH, 10000000, WIDTH, HEIGHT, panel, hasColor, hasPartialUpdate, hasFastPartialUpdate) +{ +} + +void GxEPD2_420_GDEY042T81::clearScreen(uint8_t value) +{ + // full refresh needed for all cases (previous != screen) + _writeScreenBuffer(0x26, value); // set previous + _writeScreenBuffer(0x24, value); // set current + refresh(false); // full refresh + _initial_write = false; +} + +void GxEPD2_420_GDEY042T81::writeScreenBuffer(uint8_t value) +{ + if (_initial_write) return clearScreen(value); + _writeScreenBuffer(0x24, value); // set current +} + +void GxEPD2_420_GDEY042T81::writeScreenBufferAgain(uint8_t value) +{ + _writeScreenBuffer(0x24, value); // set current + _writeScreenBuffer(0x26, value); // set previous +} + +void GxEPD2_420_GDEY042T81::_writeScreenBuffer(uint8_t command, uint8_t value) +{ + if (!_init_display_done) _InitDisplay(); + _setPartialRamArea(0, 0, WIDTH, HEIGHT); + _writeCommand(command); + _startTransfer(); + for (uint32_t i = 0; i < uint32_t(WIDTH) * uint32_t(HEIGHT) / 8; i++) + { + _transfer(value); + } + _endTransfer(); +} + +void GxEPD2_420_GDEY042T81::writeImage(const uint8_t bitmap[], int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm) +{ + _writeImage(0x24, bitmap, x, y, w, h, invert, mirror_y, pgm); +} + +void GxEPD2_420_GDEY042T81::writeImageForFullRefresh(const uint8_t bitmap[], int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm) +{ + _writeImage(0x26, bitmap, x, y, w, h, invert, mirror_y, pgm); // set previous + _writeImage(0x24, bitmap, x, y, w, h, invert, mirror_y, pgm); // set current +} + + +void GxEPD2_420_GDEY042T81::writeImageAgain(const uint8_t bitmap[], int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm) +{ + _writeImage(0x26, bitmap, x, y, w, h, invert, mirror_y, pgm); // set previous + _writeImage(0x24, bitmap, x, y, w, h, invert, mirror_y, pgm); // set current +} + +void GxEPD2_420_GDEY042T81::_writeImage(uint8_t command, const uint8_t bitmap[], int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm) +{ + delay(1); // yield() to avoid WDT on ESP8266 and ESP32 + int16_t wb = (w + 7) / 8; // width bytes, bitmaps are padded + x -= x % 8; // byte boundary + w = wb * 8; // byte boundary + int16_t x1 = x < 0 ? 0 : x; // limit + int16_t y1 = y < 0 ? 0 : y; // limit + int16_t w1 = x + w < int16_t(WIDTH) ? w : int16_t(WIDTH) - x; // limit + int16_t h1 = y + h < int16_t(HEIGHT) ? h : int16_t(HEIGHT) - y; // limit + int16_t dx = x1 - x; + int16_t dy = y1 - y; + w1 -= dx; + h1 -= dy; + if ((w1 <= 0) || (h1 <= 0)) return; + if (!_init_display_done) _InitDisplay(); + if (_initial_write) writeScreenBuffer(); // initial full screen buffer clean + _setPartialRamArea(x1, y1, w1, h1); + _writeCommand(command); + _startTransfer(); + for (int16_t i = 0; i < h1; i++) + { + for (int16_t j = 0; j < w1 / 8; j++) + { + uint8_t data; + // use wb, h of bitmap for index! + int16_t idx = mirror_y ? j + dx / 8 + ((h - 1 - (i + dy))) * wb : j + dx / 8 + (i + dy) * wb; + if (pgm) + { +#if defined(__AVR) || defined(ESP8266) || defined(ESP32) + data = pgm_read_byte(&bitmap[idx]); +#else + data = bitmap[idx]; +#endif + } + else + { + data = bitmap[idx]; + } + if (invert) data = ~data; + _transfer(data); + } + } + _endTransfer(); + delay(1); // yield() to avoid WDT on ESP8266 and ESP32 +} + +void GxEPD2_420_GDEY042T81::writeImagePart(const uint8_t bitmap[], int16_t x_part, int16_t y_part, int16_t w_bitmap, int16_t h_bitmap, + int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm) +{ + _writeImagePart(0x24, bitmap, x_part, y_part, w_bitmap, h_bitmap, x, y, w, h, invert, mirror_y, pgm); +} + +void GxEPD2_420_GDEY042T81::writeImagePartAgain(const uint8_t bitmap[], int16_t x_part, int16_t y_part, int16_t w_bitmap, int16_t h_bitmap, + int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm) +{ + _writeImagePart(0x24, bitmap, x_part, y_part, w_bitmap, h_bitmap, x, y, w, h, invert, mirror_y, pgm); + _writeImagePart(0x26, bitmap, x_part, y_part, w_bitmap, h_bitmap, x, y, w, h, invert, mirror_y, pgm); +} + +void GxEPD2_420_GDEY042T81::_writeImagePart(uint8_t command, const uint8_t bitmap[], int16_t x_part, int16_t y_part, int16_t w_bitmap, int16_t h_bitmap, + int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm) +{ + delay(1); // yield() to avoid WDT on ESP8266 and ESP32 + if ((w_bitmap < 0) || (h_bitmap < 0) || (w < 0) || (h < 0)) return; + if ((x_part < 0) || (x_part >= w_bitmap)) return; + if ((y_part < 0) || (y_part >= h_bitmap)) return; + int16_t wb_bitmap = (w_bitmap + 7) / 8; // width bytes, bitmaps are padded + x_part -= x_part % 8; // byte boundary + w = w_bitmap - x_part < w ? w_bitmap - x_part : w; // limit + h = h_bitmap - y_part < h ? h_bitmap - y_part : h; // limit + x -= x % 8; // byte boundary + w = 8 * ((w + 7) / 8); // byte boundary, bitmaps are padded + int16_t x1 = x < 0 ? 0 : x; // limit + int16_t y1 = y < 0 ? 0 : y; // limit + int16_t w1 = x + w < int16_t(WIDTH) ? w : int16_t(WIDTH) - x; // limit + int16_t h1 = y + h < int16_t(HEIGHT) ? h : int16_t(HEIGHT) - y; // limit + int16_t dx = x1 - x; + int16_t dy = y1 - y; + w1 -= dx; + h1 -= dy; + if ((w1 <= 0) || (h1 <= 0)) return; + if (!_init_display_done) _InitDisplay(); + if (_initial_write) writeScreenBuffer(); // initial full screen buffer clean + _setPartialRamArea(x1, y1, w1, h1); + _writeCommand(command); + _startTransfer(); + for (int16_t i = 0; i < h1; i++) + { + for (int16_t j = 0; j < w1 / 8; j++) + { + uint8_t data; + // use wb_bitmap, h_bitmap of bitmap for index! + int16_t idx = mirror_y ? x_part / 8 + j + dx / 8 + ((h_bitmap - 1 - (y_part + i + dy))) * wb_bitmap : x_part / 8 + j + dx / 8 + (y_part + i + dy) * wb_bitmap; + if (pgm) + { +#if defined(__AVR) || defined(ESP8266) || defined(ESP32) + data = pgm_read_byte(&bitmap[idx]); +#else + data = bitmap[idx]; +#endif + } + else + { + data = bitmap[idx]; + } + if (invert) data = ~data; + _transfer(data); + } + } + _endTransfer(); + delay(1); // yield() to avoid WDT on ESP8266 and ESP32 +} + +void GxEPD2_420_GDEY042T81::writeImage(const uint8_t* black, const uint8_t* color, int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm) +{ + if (black) + { + writeImage(black, x, y, w, h, invert, mirror_y, pgm); + } +} + +void GxEPD2_420_GDEY042T81::writeImagePart(const uint8_t* black, const uint8_t* color, int16_t x_part, int16_t y_part, int16_t w_bitmap, int16_t h_bitmap, + int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm) +{ + if (black) + { + writeImagePart(black, x_part, y_part, w_bitmap, h_bitmap, x, y, w, h, invert, mirror_y, pgm); + } +} + +void GxEPD2_420_GDEY042T81::writeNative(const uint8_t* data1, const uint8_t* data2, int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm) +{ + if (data1) + { + writeImage(data1, x, y, w, h, invert, mirror_y, pgm); + } +} + +void GxEPD2_420_GDEY042T81::drawImage(const uint8_t bitmap[], int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm) +{ + writeImage(bitmap, x, y, w, h, invert, mirror_y, pgm); + refresh(x, y, w, h); + writeImageAgain(bitmap, x, y, w, h, invert, mirror_y, pgm); +} + +void GxEPD2_420_GDEY042T81::drawImagePart(const uint8_t bitmap[], int16_t x_part, int16_t y_part, int16_t w_bitmap, int16_t h_bitmap, + int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm) +{ + writeImagePart(bitmap, x_part, y_part, w_bitmap, h_bitmap, x, y, w, h, invert, mirror_y, pgm); + refresh(x, y, w, h); + writeImagePartAgain(bitmap, x_part, y_part, w_bitmap, h_bitmap, x, y, w, h, invert, mirror_y, pgm); +} + +void GxEPD2_420_GDEY042T81::drawImage(const uint8_t* black, const uint8_t* color, int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm) +{ + if (black) + { + drawImage(black, x, y, w, h, invert, mirror_y, pgm); + } +} + +void GxEPD2_420_GDEY042T81::drawImagePart(const uint8_t* black, const uint8_t* color, int16_t x_part, int16_t y_part, int16_t w_bitmap, int16_t h_bitmap, + int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm) +{ + if (black) + { + drawImagePart(black, x_part, y_part, w_bitmap, h_bitmap, x, y, w, h, invert, mirror_y, pgm); + } +} + +void GxEPD2_420_GDEY042T81::drawNative(const uint8_t* data1, const uint8_t* data2, int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm) +{ + if (data1) + { + drawImage(data1, x, y, w, h, invert, mirror_y, pgm); + } +} + +void GxEPD2_420_GDEY042T81::refresh(bool partial_update_mode) +{ + if (partial_update_mode) refresh(0, 0, WIDTH, HEIGHT); + else + { + _Update_Full(); + _initial_refresh = false; // initial full update done + } +} + +void GxEPD2_420_GDEY042T81::refresh(int16_t x, int16_t y, int16_t w, int16_t h) +{ + if (_initial_refresh) return refresh(false); // initial update needs be full update + // intersection with screen + int16_t w1 = x < 0 ? w + x : w; // reduce + int16_t h1 = y < 0 ? h + y : h; // reduce + int16_t x1 = x < 0 ? 0 : x; // limit + int16_t y1 = y < 0 ? 0 : y; // limit + w1 = x1 + w1 < int16_t(WIDTH) ? w1 : int16_t(WIDTH) - x1; // limit + h1 = y1 + h1 < int16_t(HEIGHT) ? h1 : int16_t(HEIGHT) - y1; // limit + if ((w1 <= 0) || (h1 <= 0)) return; + // make x1, w1 multiple of 8 + w1 += x1 % 8; + if (w1 % 8 > 0) w1 += 8 - w1 % 8; + x1 -= x1 % 8; + _setPartialRamArea(x1, y1, w1, h1); + _Update_Part(); +} + +void GxEPD2_420_GDEY042T81::powerOff() +{ + _PowerOff(); +} + +void GxEPD2_420_GDEY042T81::hibernate() +{ + _PowerOff(); + if (_rst >= 0) + { + _writeCommand(0x10); // deep sleep mode + _writeData(0x1); // enter deep sleep + _hibernating = true; + _init_display_done = false; + } +} + +void GxEPD2_420_GDEY042T81::_setPartialRamArea(uint16_t x, uint16_t y, uint16_t w, uint16_t h) +{ + _writeCommand(0x11); // set ram entry mode + _writeData(0x03); // x increase, y increase : normal mode + _writeCommand(0x44); + _writeData(x / 8); + _writeData((x + w - 1) / 8); + _writeCommand(0x45); + _writeData(y % 256); + _writeData(y / 256); + _writeData((y + h - 1) % 256); + _writeData((y + h - 1) / 256); + _writeCommand(0x4e); + _writeData(x / 8); + _writeCommand(0x4f); + _writeData(y % 256); + _writeData(y / 256); +} + +void GxEPD2_420_GDEY042T81::_PowerOn() +{ + if (!_power_is_on) + { + _writeCommand(0x22); + _writeData(0xe0); + _writeCommand(0x20); + _waitWhileBusy("_PowerOn", power_on_time); + } + _power_is_on = true; +} + +void GxEPD2_420_GDEY042T81::_PowerOff() +{ + if (_power_is_on) + { + _writeCommand(0x22); + _writeData(0x83); + _writeCommand(0x20); + _waitWhileBusy("_PowerOff", power_off_time); + } + _power_is_on = false; + _using_partial_mode = false; +} + +void GxEPD2_420_GDEY042T81::_InitDisplay() +{ + if (_hibernating) _reset(); + delay(10); // 10ms according to specs + _writeCommand(0x12); //SWRESET + delay(10); // 10ms according to specs + _writeCommand(0x01); // Set MUX as 300 + _writeData(0x2B); + _writeData(0x01); + _writeData(0x00); + _writeCommand(0x3C); //BorderWavefrom + _writeData(0x01); // + _writeCommand(0x18); //Read built-in temperature sensor + _writeData(0x80); + _setPartialRamArea(0, 0, WIDTH, HEIGHT); + _init_display_done = true; +} + +void GxEPD2_420_GDEY042T81::_Update_Full() +{ + _writeCommand(0x21); // Display Update Controll + _writeData(0x40); // bypass RED as 0 + _writeData(0x00); // single chip application + if (useFastFullUpdate) + { + _writeCommand(0x1A); // Write to temperature register +// _writeData(0x64); + _writeData(0x19); + _writeCommand(0x22); + _writeData(0xd7); + } + else + { + _writeCommand(0x22); + _writeData(0xf7); + } + _writeCommand(0x20); + _waitWhileBusy("_Update_Full", full_refresh_time); + _power_is_on = false; +} + +void GxEPD2_420_GDEY042T81::_Update_Part() +{ + _writeCommand(0x21); // Display Update Controll + _writeData(0x00); // RED normal + _writeData(0x00); // single chip application + _writeCommand(0x22); +// _writeData(0xfc); + _writeData(0xff); + _writeCommand(0x20); + _waitWhileBusy("_Update_Part", partial_refresh_time); + _power_is_on = true; +} diff --git a/lib/obp60task/obp60task.cpp b/lib/obp60task/obp60task.cpp index 7857d313..e38e1b3e 100644 --- a/lib/obp60task/obp60task.cpp +++ b/lib/obp60task/obp60task.cpp @@ -531,9 +531,9 @@ void OBP60Task(GwApi *api){ if(millis() > starttime4 + 4000 && delayedDisplayUpdate == true){ starttime1 = millis(); starttime2 = millis(); - getdisplay().init(115200); // Display init +// getdisplay().init(115200); // Display init getdisplay().setFullWindow(); // Set full update - getdisplay().firstPage(); + getdisplay().nextPage(); if(fastrefresh == "false"){ getdisplay().fillScreen(pixelcolor);// Clear display getdisplay().nextPage(); // Full update @@ -549,9 +549,9 @@ void OBP60Task(GwApi *api){ starttime1 = millis(); starttime2 = millis(); LOG_DEBUG(GwLog::DEBUG,"E-Ink full refresh first 5 min"); - getdisplay().init(115200); // Display init +// getdisplay().init(115200); // Display init getdisplay().setFullWindow(); // Set full update - getdisplay().firstPage(); + getdisplay().nextPage(); if(fastrefresh == "false"){ getdisplay().fillScreen(pixelcolor);// Clear display getdisplay().nextPage(); // Full update @@ -564,9 +564,9 @@ void OBP60Task(GwApi *api){ if(millis() > starttime2 + fullrefreshtime * 60 * 1000){ starttime2 = millis(); LOG_DEBUG(GwLog::DEBUG,"E-Ink full refresh"); - getdisplay().init(115200); // Display init +// getdisplay().init(115200); // Display init getdisplay().setFullWindow(); // Set full update - getdisplay().firstPage(); + getdisplay().nextPage(); if(fastrefresh == "false"){ getdisplay().fillScreen(pixelcolor);// Clear display getdisplay().nextPage(); // Full update