Added OzOled menuIO and example

examples/OzOledAscii/OzOledAscii.ino

@@ -0,0 +1,166 @@
+
+//using https://github.com/kdkanishka/ozoled-oled-display-096-i2c-driver-library
+
+#include <Arduino.h>
+#include "OzOLED.h"
+
+#include <menu.h>
+#include <menuIO/OzOledAsciiOut.h>
+#include <menuIO/serialIn.h>
+using namespace Menu;
+
+//Redefine already existing object
+#define oled OzOled
+
+result doAlert(eventMask e, prompt &item);
+
+result showEvent(eventMask e,navNode& nav,prompt& item) {
+  Serial.print("event: ");
+  Serial.println(e);
+  return proceed;
+}
+
+int test=55;
+
+result action1(eventMask e) {
+  Serial.print(e);
+  Serial.println(" action1 executed, proceed menu");Serial.flush();
+  return proceed;
+}
+
+result action2(eventMask e,navNode& nav, prompt &item) {
+  Serial.print(e);
+  Serial.println(" action2 executed, quiting menu");
+  return quit;
+}
+
+int ledCtrl=LOW;
+
+result ledOn() {
+  ledCtrl=HIGH;
+  return proceed;
+}
+result ledOff() {
+  ledCtrl=LOW;
+  return proceed;
+}
+
+TOGGLE(ledCtrl,setLed,"Led: ",doNothing,noEvent,noStyle//,doExit,enterEvent,noStyle
+  ,VALUE("On",HIGH,doNothing,noEvent)
+  ,VALUE("Off",LOW,doNothing,noEvent)
+);
+
+int selTest=0;
+SELECT(selTest,selMenu,"Select",doNothing,noEvent,noStyle
+  ,VALUE("Zero",0,doNothing,noEvent)
+  ,VALUE("One",1,doNothing,noEvent)
+  ,VALUE("Two",2,doNothing,noEvent)
+);
+
+int chooseTest=-1;
+CHOOSE(chooseTest,chooseMenu,"Choose",doNothing,noEvent,noStyle
+  ,VALUE("First",1,doNothing,noEvent)
+  ,VALUE("Second",2,doNothing,noEvent)
+  ,VALUE("Third",3,doNothing,noEvent)
+  ,VALUE("Last",-1,doNothing,noEvent)
+);
+
+//customizing a prompt look!
+//by extending the prompt class
+class altPrompt:public prompt {
+public:
+  altPrompt(constMEM promptShadow& p):prompt(p) {}
+  Used printTo(navRoot &root,bool sel,menuOut& out, idx_t idx,idx_t len,idx_t) override {
+    return out.printRaw("special prompt!",len);
+  }
+};
+
+MENU(subMenu,"Sub-Menu",showEvent,anyEvent,noStyle
+  ,OP("Sub1",showEvent,anyEvent)
+  ,OP("Sub2",showEvent,anyEvent)
+  ,OP("Sub3",showEvent,anyEvent)
+  ,altOP(altPrompt,"",showEvent,anyEvent)
+  ,EXIT("<Back")
+);
+
+MENU(mainMenu,"Main menu",doNothing,noEvent,wrapStyle
+  ,OP("Op1",action1,anyEvent)
+  ,OP("Op2",action2,enterEvent)
+  ,FIELD(test,"Test","%",0,100,10,1,doNothing,noEvent,wrapStyle)
+  ,SUBMENU(subMenu)
+  ,SUBMENU(setLed)
+  ,OP("LED On",ledOn,enterEvent)
+  ,OP("LED Off",ledOff,enterEvent)
+  ,SUBMENU(selMenu)
+  ,SUBMENU(chooseMenu)
+  ,OP("Alert test",doAlert,enterEvent)
+  ,EXIT("<Back")
+);
+
+
+
+#define MAX_DEPTH 2
+//Only one build-in font 
+#define fontW 8
+#define fontH 8
+
+//describing a menu output device without macros
+//define at least one panel for menu output
+const panel panels[] MEMMODE={{0,0,128/fontW,64/fontH}};
+navNode* nodes[sizeof(panels)/sizeof(panel)];//navNodes to store navigation status
+panelsList pList(panels,nodes,1);//a list of panels and nodes
+idx_t tops[MAX_DEPTH]={0,0};//store cursor positions for each level
+OzOledAsciiOut outOLED(&oled,tops,pList);//oled output device menu driver
+menuOut* constMEM outputs[] MEMMODE={&outOLED};//list of output devices
+outputsList out(outputs,1);//outputs list
+
+//macro to create navigation control root object (nav) using mainMenu
+serialIn serial(Serial);
+NAVROOT(nav,mainMenu,MAX_DEPTH,serial,out);
+
+result alert(menuOut& o,idleEvent e) {
+  if (e==idling) {
+    o.setCursor(0,0);
+    o.print("alert test");
+    o.setCursor(0,1);
+    o.print("press [select]");
+    o.setCursor(0,2);
+    o.print("to continue...");
+  }
+  return proceed;
+}
+
+result doAlert(eventMask e, prompt &item) {
+  nav.idleOn(alert);
+  return proceed;
+}
+
+//when menu is suspended
+result idle(menuOut &o, idleEvent e) {
+  o.clear();
+  switch(e) {
+    case idleStart:o.println("suspending menu!");break;
+    case idling:o.println("suspended...");break;
+    case idleEnd:o.println("resuming menu.");break;
+  }
+  return proceed;
+}
+
+void setup() {
+  Serial.begin(115200);
+  while(!Serial);
+  Serial.println("menu 4.x test");Serial.flush();
+  oled.init();
+  oled.clearDisplay();
+  //Vertical flip, comment out if display upside down.
+  oled.sendCommand(0xC8);
+  oled.sendCommand(0xA1);
+  //End Vertical flip
+  oled.printString("Hello world!");
+  nav.idleTask=idle;//point a function to be used when menu is suspended
+}
+
+void loop() {
+  nav.poll();
+  delay(100);//simulate a delay when other tasks are done
+}

src/menuIO/OzOledAsciiOut.h

@@ -0,0 +1,44 @@
+/* -*- C++ -*- */
+
+//using OzOled
+//using https://github.com/kdkanishka/ozoled-oled-display-096-i2c-driver-library
+
+#ifndef RSITE_ARDUINO_MENU_OZOLEDASCIIOUT
+#define RSITE_ARDUINO_MENU_OZOLEDASCIIOUT
+
+  #include "../menu.h"
+  // #include <Wire.h>
+  // #include <LCD.h>
+
+  namespace Menu {
+
+    class OzOledAsciiOut:public menuOut {
+      public:
+        OzOLED* device;
+        inline OzOledAsciiOut(OzOLED* o,idx_t *t,panelsList &p,menuOut::styles s=menuOut::minimalRedraw)
+          :menuOut(t,p,s),device(o) {}
+          size_t write(uint8_t ch) override { device->printChar(ch); return 1;}
+        void clearLine(idx_t ln,idx_t panelNr=0,colorDefs color=bgColor,bool selected=false,status stat=enabledStatus,bool edit=false) override {
+        	setCursor(0,ln,panelNr);
+        	for(int n=0;n<maxX();n++) print(' ');
+        	setCursor(0,ln,panelNr);
+        }
+        void clear() override {
+          device->clearDisplay();
+          panels.reset();
+        }
+        void clear(idx_t panelNr) override {
+          const panel p=panels[panelNr];
+          fill(p.x,p.y,p.x+p.w-1,p.y+p.h-1);
+          setCursor(0,0,panelNr);
+          panels.nodes[panelNr]=NULL;
+        }
+        void setCursor(idx_t x,idx_t y,idx_t panelNr=0) override {
+          const panel p=panels[panelNr];
+          device->setCursorXY(p.x+x,p.y+y);
+        }
+    };
+
+  }//namespace Menu
+
+#endif