Merge pull request #1 from neu-rah/master

Update from source

Author: vladkozlov69

.travis.yml

@@ -26,7 +26,7 @@ cache:
 env:
    - PLATFORMIO_CI_SRC=examples/Blink/Blink/Blink.ino
    - PLATFORMIO_CI_SRC=examples/Serial/serialio/serialio/serialio.ino
-   - PLATFORMIO_CI_SRC=examples/Serial/ansiSerial/ansiSerial/ansiSerial.ino
+   # - PLATFORMIO_CI_SRC=examples/Serial/ansiSerial/ansiSerial/ansiSerial.ino
    - PLATFORMIO_CI_SRC=examples/codeCtrl/codeCtrl/codeCtrl.ino
    - PLATFORMIO_CI_SRC=examples/adafruitGfx/lcdMono/lcdMono/lcdMono.ino
    - PLATFORMIO_CI_SRC=examples/adafruitGfx/tft/tft/tft.ino

README.md

@@ -261,6 +261,9 @@ Matrix keypad
 http://playground.arduino.cc/Code/Keypad
 https://github.com/Nullkraft/Keypad
 
+PCF8574 based i2c matrix keypad
+https://github.com/whatnick/i2ckeypad
+
 User defined input calling menu navigation API
 
 Web browser (experimental) when using ESP devices

library.properties

@@ -1,5 +1,5 @@
 name=ArduinoMenu library
-version=4.13.4
+version=4.14.0
 author=Rui Azevedo, [email protected]
 maintainer=neu-rah, [email protected]
 sentence=Generic menu/interactivity system

src/menuIO/I2CkeypadIn.h

@@ -0,0 +1,43 @@
+/* -*- C++ -*- */
+/**************
+Jan. 2018 Rui Azevedo - ruihfazevedo(@rrob@)gmail.com
+
+I2C keypad driver
+using
+   https://github.com/whatnick/i2ckeypad
+
+   Note: you may be need to adjust keypad-to-pcf8574 pin mappings and keymap in i2ckeypad.cpp for your specific keypad.
+
+***/
+
+#ifndef RSITE_I2CKEYPAD_DEF_H
+  #define RSITE_I2CKEYPAD_DEF_H
+  #include "../menuDefs.h"
+
+  #include <i2ckeypad.h>
+  namespace Menu {
+
+    class I2CkeypadIn:public menuIn {
+    public:
+      char key=0;
+      i2ckeypad * in;
+      I2CkeypadIn(i2ckeypad * in):in(in) {}
+      int available(void) {
+		  return peek()!=0;
+	  }
+      int peek(void) { 
+		  return key != 0 ? key : (key=in->get_key()) ?key : 0;
+	  }
+      int read() {
+        if (key != 0) {
+          char k=key;
+          key=0;
+          return k;
+        }
+        return available()?read():0;
+      }
+      void flush() {}
+      size_t write(uint8_t v) {return 0;}
+    };
+  };
+#endif