Merge pull request #889 from fdlamotte/sensecap_indicator

Sensecap indicator

src/helpers/ui/LGFXDisplay.cpp

@@ -0,0 +1,125 @@
+#include "LGFXDisplay.h"
+
+bool LGFXDisplay::begin() {
+  turnOn();
+  display->init();
+  display->setRotation(1);
+  display->setBrightness(64);
+  display->setColorDepth(8);
+  display->setTextColor(TFT_WHITE);
+
+  buffer.setColorDepth(8);
+  buffer.setPsram(true);
+  buffer.createSprite(width(), height());
+
+  return true;
+}
+
+void LGFXDisplay::turnOn() {
+//  display->wakeup();
+  if (!_isOn) {
+    display->wakeup();
+  }
+  _isOn = true;
+}
+
+void LGFXDisplay::turnOff() {
+  if (_isOn) {
+    display->sleep();
+  }
+  _isOn = false;
+}
+
+void LGFXDisplay::clear() {
+//  display->clearDisplay();
+  buffer.clearDisplay();
+}
+
+void LGFXDisplay::startFrame(Color bkg) {
+//  display->startWrite();
+//  display->getScanLine();
+  buffer.clearDisplay();
+  buffer.setTextColor(TFT_WHITE);
+}
+
+void LGFXDisplay::setTextSize(int sz) {
+  buffer.setTextSize(sz);
+}
+
+void LGFXDisplay::setColor(Color c) {
+  // _color = (c != 0) ? ILI9342_WHITE : ILI9342_BLACK;
+  switch (c) {
+    case DARK:
+      _color = TFT_BLACK;
+      break;
+    case LIGHT:
+      _color = TFT_WHITE;
+      break;
+    case RED:
+      _color = TFT_RED;
+      break;
+    case GREEN:
+      _color = TFT_GREEN;
+      break;
+    case BLUE:
+      _color = TFT_BLUE;
+      break;
+    case YELLOW:
+      _color = TFT_YELLOW;
+      break;
+    case ORANGE:
+      _color = TFT_ORANGE;
+      break;
+    default:
+      _color = TFT_WHITE;
+  }
+  buffer.setTextColor(_color);
+}
+
+void LGFXDisplay::setCursor(int x, int y) {
+  buffer.setCursor(x, y);
+}
+
+void LGFXDisplay::print(const char* str) {
+  buffer.println(str);
+//  Serial.println(str);
+}
+
+void LGFXDisplay::fillRect(int x, int y, int w, int h) {
+  buffer.fillRect(x, y, w, h, _color);
+}
+
+void LGFXDisplay::drawRect(int x, int y, int w, int h) {
+  buffer.drawRect(x, y, w, h, _color);
+}
+
+void LGFXDisplay::drawXbm(int x, int y, const uint8_t* bits, int w, int h) {
+  buffer.drawBitmap(x, y, bits, w, h, _color);
+}
+
+uint16_t LGFXDisplay::getTextWidth(const char* str) {
+  return buffer.textWidth(str);
+}
+
+void LGFXDisplay::endFrame() {
+  display->startWrite();
+  if (UI_ZOOM != 1) {
+    buffer.pushRotateZoom(display, display->width()/2, display->height()/2 , 0, UI_ZOOM, UI_ZOOM);
+  } else {
+    buffer.pushSprite(display, 0, 0);
+  }
+  display->endWrite();
+}
+
+bool LGFXDisplay::getTouch(int *x, int *y) {
+  lgfx::v1::touch_point_t point;
+  display->getTouch(&point);
+  if (UI_ZOOM != 1) {
+    *x = point.x / UI_ZOOM;
+    *y = point.y / UI_ZOOM;
+  } else {
+    *x = point.x;
+    *y = point.y;
+  }
+  return (*x >= 0) && (*y >= 0);
+}

src/helpers/ui/LGFXDisplay.h

@@ -0,0 +1,39 @@
+#pragma once
+
+#include <helpers/ui/DisplayDriver.h>
+
+#define LGFX_USE_V1
+#include <LovyanGFX.hpp>
+
+#ifndef UI_ZOOM
+  #define UI_ZOOM 1
+#endif
+
+class LGFXDisplay : public DisplayDriver {
+protected:
+  LGFX_Device* display;
+  LGFX_Sprite buffer;
+
+  bool _isOn = false;
+  int _color = TFT_WHITE;
+
+public:
+  LGFXDisplay(int w, int h, LGFX_Device &disp)
+    : DisplayDriver(w/UI_ZOOM, h/UI_ZOOM), display(&disp) {}
+  bool begin();
+  bool isOn() override { return _isOn; }
+  void turnOn() override;
+  void turnOff() override;
+  void clear() override;
+  void startFrame(Color bkg = DARK) override;
+  void setTextSize(int sz) override;
+  void setColor(Color c) override;
+  void setCursor(int x, int y) override;
+  void print(const char* str) override;
+  void fillRect(int x, int y, int w, int h) override;
+  void drawRect(int x, int y, int w, int h) override;
+  void drawXbm(int x, int y, const uint8_t* bits, int w, int h) override;
+  uint16_t getTextWidth(const char* str) override;
+  void endFrame() override;
+  virtual bool getTouch(int *x, int *y);
+};