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Merge pull request #722 from fdlamotte/techo_epd_damage

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Techo epd damage
This commit is contained in:
ripplebiz 2025-09-04 13:25:09 +10:00 • committed by GitHub
commit 6334971e2b
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GPG key ID: B5690EEEBB952194
5 changed files with 69 additions and 21 deletions
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31
src/helpers/ui/GxEPDDisplay.cpp
View file

@ -19,6 +19,7 @@ bool GxEPDDisplay::begin() {
display.fillScreen(GxEPD_WHITE);
display.display(true);
#if DISP_BACKLIGHT
digitalWrite(DISP_BACKLIGHT, LOW);
pinMode(DISP_BACKLIGHT, OUTPUT);
#endif
_init = true;
@ -27,14 +28,14 @@ bool GxEPDDisplay::begin() {
void GxEPDDisplay::turnOn() {
if (!_init) begin();
#if DISP_BACKLIGHT
#if defined(DISP_BACKLIGHT) && !defined(BACKLIGHT_BTN)
digitalWrite(DISP_BACKLIGHT, HIGH);
#endif
_isOn = true;
}
void GxEPDDisplay::turnOff() {
#if DISP_BACKLIGHT
#if defined(DISP_BACKLIGHT) && !defined(BACKLIGHT_BTN)
digitalWrite(DISP_BACKLIGHT, LOW);
#endif
_isOn = false;
@ -43,14 +44,17 @@ void GxEPDDisplay::turnOff() {
void GxEPDDisplay::clear() {
display.fillScreen(GxEPD_WHITE);
display.setTextColor(GxEPD_BLACK);
display_crc.reset();
}
void GxEPDDisplay::startFrame(Color bkg) {
display.fillScreen(GxEPD_WHITE);
display.setTextColor(_curr_color = GxEPD_BLACK);
display_crc.reset();
}
void GxEPDDisplay::setTextSize(int sz) {
display_crc.update<int>(sz);
switch(sz) {
case 1: // Small
display.setFont(&FreeSans9pt7b);
@ -68,6 +72,7 @@ void GxEPDDisplay::setTextSize(int sz) {
}
void GxEPDDisplay::setColor(Color c) {
display_crc.update<Color> (c);
// colours need to be inverted for epaper displays
if (c == DARK) {
display.setTextColor(_curr_color = GxEPD_WHITE);
@ -77,22 +82,38 @@ void GxEPDDisplay::setColor(Color c) {
}
void GxEPDDisplay::setCursor(int x, int y) {
display_crc.update<int>(x);
display_crc.update<int>(y);
display.setCursor(x*SCALE_X, (y+10)*SCALE_Y);
}
void GxEPDDisplay::print(const char* str) {
display_crc.update<char>(str, strlen(str));
display.print(str);
}
void GxEPDDisplay::fillRect(int x, int y, int w, int h) {
display_crc.update<int>(x);
display_crc.update<int>(y);
display_crc.update<int>(w);
display_crc.update<int>(h);
display.fillRect(x*SCALE_X, y*SCALE_Y, w*SCALE_X, h*SCALE_Y, _curr_color);
}
void GxEPDDisplay::drawRect(int x, int y, int w, int h) {
display_crc.update<int>(x);
display_crc.update<int>(y);
display_crc.update<int>(w);
display_crc.update<int>(h);
display.drawRect(x*SCALE_X, y*SCALE_Y, w*SCALE_X, h*SCALE_Y, _curr_color);
}
void GxEPDDisplay::drawXbm(int x, int y, const uint8_t* bits, int w, int h) {
display_crc.update<int>(x);
display_crc.update<int>(y);
display_crc.update<int>(w);
display_crc.update<int>(h);
display_crc.update<uint8_t>(bits, w * h / 8);
// Calculate the base position in display coordinates
uint16_t startX = x * SCALE_X;
uint16_t startY = y * SCALE_Y;
@ -136,5 +157,9 @@ uint16_t GxEPDDisplay::getTextWidth(const char* str) {
}
void GxEPDDisplay::endFrame() {
display.display(true);
uint32_t crc = display_crc.finalize();
if (crc != last_display_crc_value) {
display.display(true);
last_display_crc_value = crc;
}
}

3
src/helpers/ui/GxEPDDisplay.h
View file

@ -17,6 +17,7 @@
#define GxEPD2_DRIVER_CLASS GxEPD2_150_BN // DEPG0150BN 200x200, SSD1681, (FPC8101), TTGO T5 V2.4.1
#include <epd/GxEPD2_150_BN.h> // 1.54" b/w
#include <CRC32.h>
#include "DisplayDriver.h"
@ -29,6 +30,8 @@ class GxEPDDisplay : public DisplayDriver {
bool _init = false;
bool _isOn = false;
uint16_t _curr_color;
CRC32 display_crc;
int last_display_crc_value = 0;
public:
// there is a margin in y...