Support for the TM1640

CHANGES.txt

@@ -1,3 +1,5 @@
+- Restructuring for supporting other modules.
+
 Version 1.6.0
 
 - ISSUE #10: Support for starting position on setDisplayToString() methods.

TM1640.cpp

@@ -0,0 +1,38 @@
+/*
+TM1640.cpp - Library implementation for TM1640.
+
+Copyright (C) 2011 Ricardo Batista (rjbatista <at> gmail <dot> com)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the version 3 GNU General Public License as
+published by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#if defined(ARDUINO) && ARDUINO >= 100
+	#include "Arduino.h"
+#else
+	#include "WProgram.h"
+#endif
+
+#include "TM1640.h"
+#include "string.h"
+
+
+TM1640::TM1640(byte dataPin, byte clockPin, boolean activateDisplay, byte intensity)
+	: TM16XX(dataPin, clockPin, dataPin, 16, activateDisplay, intensity)
+{
+  // nothing else to do - calling super is enough
+}
+
+void TM1640::sendChar(byte pos, byte data, boolean dot)
+{
+  sendData(pos, data | (dot ? 0b10000000 : 0));
+}

TM1640.h

@@ -0,0 +1,45 @@
+/*
+TM1640.h - Library for TM1640.
+
+Copyright (C) 2011 Ricardo Batista <rjbatista at gmail dot com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the version 3 GNU General Public License as
+published by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef TM1640_h
+#define TM1640_h
+
+#if defined(ARDUINO) && ARDUINO >= 100
+	#include "Arduino.h"
+#else
+	#include "WProgram.h"
+#endif
+
+#include "TM16XX.h"
+#include "TM16XXFonts.h"
+
+class TM1640 : public TM16XX
+{
+  public:
+	/** Instantiate a tm1640 module specifying the display state, the starting intensity (0-7) data and clock pins. */
+  	TM1640(byte dataPin, byte clockPin, boolean activateDisplay = true, byte intensity = 7);
+
+    /** Set the display to a unsigned decimal number (with or without leading zeros) */
+    void setDisplayToDecNumber(unsigned long number, word dots, boolean leadingZeros = true,
+		const byte numberFont[] = NUMBER_FONT);
+
+  protected:
+    virtual void sendChar(byte pos, byte data, boolean dot);
+};
+
+#endif

examples/tm1640_example/tm1640_example.pde

@@ -0,0 +1,36 @@
+/*
+Library examples for TM1640.
+
+Copyright (C) 2011 Ricardo Batista <rjbatista at gmail dot com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the version 3 GNU General Public License as
+published by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include <TM1638.h> // required because the way arduino deals with libraries
+#include <TM1640.h>
+
+// define a module on data pin 3, clock pin 2
+TM1640 module(3, 2);
+
+void setup()
+{
+  // nothing to do here
+}
+
+void loop()
+{
+  char text[17];
+
+  sprintf(text, "testing %u", millis());
+
+  module.setDisplayToString(text);
+}