worked on SPI, fixed some bugs

adjusted LCD code
added code for INA3221
worked on UI

ext/lcd/ui/UI.h

@@ -44,15 +44,16 @@ class UI {
 	UIPainter p;
 	UIElement root;
 
-	UIElement* eFocused = nullptr;
+	int focusIdx = 0;
+	//UIElement* eFocused = nullptr;
 	UIElement* eDown = nullptr;
 
 	Color cBackground = Color::fromRGB(180,240,180);
 
 public:
 
-	UI() {
-		root.setRect(0,0,240,320);
+	UI(int w, int h) {
+		root.setRect(0,0,w,h);
 		root.setVisible(true);
 		p.setFG(cBackground);
 		p.fillRect(root.getRect());
@@ -77,7 +78,6 @@ public:
 
 		}
 
-
 	}
 
 	void onTouchDone() {
@@ -87,13 +87,28 @@ public:
 		}
 	}
 
-
+	void focusNext() {
+		root.children[focusIdx]->setFocus(false);
+		focusIdx = (focusIdx + 1) % root.children.size();
+		root.children[focusIdx]->setFocus(true);
+	}
+	void focusPrev() {
+		root.children[focusIdx]->setFocus(false);
+		focusIdx = ((focusIdx - 1) + root.children.size()) % root.children.size();
+		root.children[focusIdx]->setFocus(true);
+	}
+	
 	void draw() {
 		//debugMod1("UI", "draw %zu elements", elements.size());
 //		for (UIElement* e : elements) {
 //			e->_draw(p);
 //		}
+
+		//p.setFG(cBackground);
+		//p.fillRect(root.getRect());
+
 		root._draw(p);
+		
 	}
 
 };

ext/lcd/ui/UIButton.h

@@ -23,6 +23,9 @@ private:
 
 	const Color fillNormal = Color::fromRGB(180,180,180);
 	const Color fillDown = Color::fromRGB(120,120,120);
+	const Color fillFocus = Color::fromRGB(120,120,140);
+
+
 	const Color frameBright = Color::fromRGB(230,230,230);
 	const Color frameDark = Color::fromRGB(50,50,50);
 
@@ -58,7 +61,11 @@ public:
 
 	void draw(UIPainter& p) override {
 
-		p.setFG( down ? fillDown : fillNormal );
+		if (focus) {
+			p.setFG( fillFocus );
+		} else {
+			p.setFG( down ? fillDown : fillNormal );
+		}
 		p.fillRect(rect);
 
 		p.setFG( down ? frameDark : frameBright );

ext/lcd/ui/UIElement.h

@@ -15,13 +15,20 @@ protected:
 	UIRect rect;
 	bool _visible = true;
 	bool _needsRedraw = true;
-
+	
+	bool opaque = true;
+	bool focus = false;
+	
 	std::vector<UIElement*> children;
 
 	static constexpr const char* TAG = "UIElement";
 
 public:
 
+	void setOpaque(bool opaque) {
+		this->opaque = opaque;
+	}
+
 	void setRect(const UIRect r) {
 		this->rect = r;
 		setNeedsRedraw();
@@ -44,6 +51,11 @@ public:
 		return this->_visible;
 	}
 
+	void setFocus(bool focus) {
+		this->focus = focus;
+		setNeedsRedraw();
+	}
+
 	void setNeedsRedraw() {
 		this->_needsRedraw = true;
 	}
@@ -99,7 +111,7 @@ protected:
 
 	void _draw(UIPainter& p) {
 
-		// if hidde, ignore for me and children
+		// if hiden, ignore for me and children
 		if (!_visible) {return;}
 
 		// draw myself (if needed)

ext/lcd/ui/UILabel.h

@@ -11,7 +11,7 @@
 class UILabel : public UIElement {
 
 	std::string txt;
-
+	
 	Color cBackground = Color::fromRGB(255,255,255);
 	Color cText = Color::fromRGB(0,0,0);
 
@@ -21,18 +21,21 @@ public:
 		;
 	}
 
+	/** set the text to draw */
 	void setText(const std::string& txt) {
 		this->txt = txt;
 		setNeedsRedraw();
 	}
+	
+	
 
-	void draw(UIPainter& p) {
+	/** draw the label */
+	void draw(UIPainter& p) override {
 
-		p.setFG(cBackground);
-		p.fillRect(rect);
-
-		//const uint16_t txtW = fnt_f1.getWidth(txt);
-		//const uint16_t txtH = fnt_f1.getHeight();
+		if (opaque) {
+			p.setFG(cBackground);
+			p.fillRect(rect);
+		}
 
 		p.setFG(cText);
 		p.drawText(rect.x, rect.y, txt.c_str());