Version 2.0.1

CHANGES.txt

@@ -1,21 +1,3 @@
-Version 2.1.3
-
-- ISSUE #26: Added a define TM1638_COLOR_NONE for clarity when clearing a single LED.
-
-Version 2.1.2
-
-- ISSUE #22: Corrected setDisplayDigit repeatedly with the dot set to true;
-- ISSUE #24: Correction on setDisplayToDecNumber bug (thanks to hbx3485).
-
-Version 2.1.1
-
-- ISSUE #21: Problems on clearDisplay and setupDisplay.
-
-Version 2.1.0
-
-- ISSUE #20: Support for negative decimal numbers;
-- ISSUE #19: Corrected setDisplayToString dot bug.
-
 Version 2.0.1
 
 - ISSUE #15: Backwards compatibility with previous Arduino IDE (pure virtual functions were not supported);

TM1638.cpp

@@ -44,18 +44,18 @@ void TM1638::setDisplayToHexNumber(unsigned long number, byte dots, boolean lead
   }
 }
 
-void TM1638::setDisplayToDecNumberAt(unsigned long number, byte dots, byte startingPos, boolean leadingZeros,
+void TM1638::setDisplayToDecNumber(unsigned long number, byte dots, boolean leadingZeros,
 	const byte numberFont[])
 {
   if (number > 99999999L) {
     setDisplayToError();
   } else {
-    for (int i = 0; i < displays - startingPos; i++) {
+    for (int i = 0; i < displays; i++) {
       if (number != 0) {
         setDisplayDigit(number % 10, displays - i - 1, (dots & (1 << i)) != 0, numberFont);
         number /= 10;
       } else {
-		if (leadingZeros) {
+		  if (leadingZeros) {
 		  setDisplayDigit(0, displays - i - 1, (dots & (1 << i)) != 0, numberFont);
 		} else {
 		  clearDisplayDigit(displays - i - 1, (dots & (1 << i)) != 0);
@@ -65,27 +65,6 @@ void TM1638::setDisplayToDecNumberAt(unsigned long number, byte dots, byte start
   }
 }
 
-void TM1638::setDisplayToDecNumber(unsigned long number, byte dots, boolean leadingZeros,
-	const byte numberFont[])
-{
-	setDisplayToDecNumberAt(number, dots, 0, leadingZeros, numberFont);
-}
-
-void TM1638::setDisplayToSignedDecNumber(signed long number, byte dots, boolean leadingZeros,
-		const byte numberFont[])
-{
-	if (number >= 0) {
-		setDisplayToDecNumberAt(number, dots, 0, leadingZeros, numberFont);
-	} else {
-		if (-number > 9999999L) {
-		    setDisplayToError();
-		} else {
-			setDisplayToDecNumberAt(-number, dots, 1, leadingZeros, numberFont);
-			sendChar(0, MINUS, (dots & (0x80)) != 0);
-		}
-	}
-}
-
 void TM1638::setDisplayToBinNumber(byte number, byte dots, const byte numberFont[])
 {
   for (int i = 0; i < displays; i++) {

TM1638.h

@@ -28,7 +28,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "TM16XX.h"
 #include "TM16XXFonts.h"
 
-#define TM1638_COLOR_NONE   0
 #define TM1638_COLOR_RED    1
 #define TM1638_COLOR_GREEN  2
 
@@ -44,9 +43,6 @@ class TM1638 : public TM16XX
     /** Set the display to a unsigned decimal number (with or without leading zeros) */
     void setDisplayToDecNumber(unsigned long number, byte dots, boolean leadingZeros = true,
 		const byte numberFont[] = NUMBER_FONT);
-    /** Set the display to a signed decimal number (with or without leading zeros) */
-    void setDisplayToSignedDecNumber(signed long number, byte dots, boolean leadingZeros = true,
-		const byte numberFont[] = NUMBER_FONT);
     /** Set the display to a unsigned binary number */
     void setDisplayToBinNumber(byte number, byte dots,
 		const byte numberFont[] = NUMBER_FONT);
@@ -61,8 +57,6 @@ class TM1638 : public TM16XX
 
   protected:
     virtual void sendChar(byte pos, byte data, boolean dot);
-    void setDisplayToDecNumberAt(unsigned long number, byte dots, byte startingPos,
-    	boolean leadingZeros, const byte numberFont[]);
 };
 
 #endif

TM1640.cpp

@@ -35,20 +35,4 @@ TM1640::TM1640(byte dataPin, byte clockPin, boolean activateDisplay, byte intens
 void TM1640::sendChar(byte pos, byte data, boolean dot)
 {
   sendData(pos, data | (dot ? 0b10000000 : 0));
-  
-  // necessary for the TM1640
-  digitalWrite(strobePin, LOW);
-  digitalWrite(clockPin, LOW);
-  digitalWrite(clockPin, HIGH);
-  digitalWrite(strobePin, HIGH);
-}
-
-void TM1640::clearDisplay()
-{
-  digitalWrite(strobePin, LOW);
-  send(0xC0);
-  for (int i = 0; i < 16; i++) {
-    send(0x00);
-  }
-  digitalWrite(strobePin, HIGH);
 }

TM1640.h

@@ -33,8 +33,6 @@ 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);
-    /** Clear the display */
-	virtual void clearDisplay();
 
   protected:
     virtual void sendChar(byte pos, byte data, boolean dot);

TM16XX.cpp

@@ -54,12 +54,6 @@ TM16XX::TM16XX(byte dataPin, byte clockPin, byte strobePin, byte displays, boole
 void TM16XX::setupDisplay(boolean active, byte intensity)
 {
   sendCommand(0x80 | (active ? 8 : 0) | min(7, intensity));
-
-  // necessary for the TM1640
-  digitalWrite(strobePin, LOW);
-  digitalWrite(clockPin, LOW);
-  digitalWrite(clockPin, HIGH);
-  digitalWrite(strobePin, HIGH);
 }
 
 void TM16XX::setDisplayDigit(byte digit, byte pos, boolean dot, const byte numberFont[])
@@ -99,7 +93,7 @@ void TM16XX::setDisplayToString(const char* string, const word dots, const byte
 {
   for (int i = 0; i < displays - pos; i++) {
   	if (string[i] != '\0') {
-	  sendChar(i + pos, font[string[i] - 32], (dots & (1 << (displays - i - 1))) != 0);
+	  sendChar(i + pos, font[string[i] - 32], dots & (1 << (displays - i - 1)) != 0);
 	} else {
 	  break;
 	}
@@ -112,7 +106,7 @@ void TM16XX::setDisplayToString(const String string, const word dots, const byte
 
   for (int i = 0; i < displays - pos; i++) {
     if (i < stringLength) {
-      sendChar(i + pos, font[string.charAt(i) - 32], (dots & (1 << (displays - i - 1))) != 0);
+      sendChar(i + pos, font[string.charAt(i) - 32], dots & (1 << (displays - i - 1)) != 0);
     } else {
       break;
     }

TM16XXFonts.h

@@ -50,8 +50,6 @@ const byte NUMBER_FONT[] = {
   0b01110001  // F
 };
 
-const byte MINUS = 0b01000000;
-
 // definition for error
 const byte ERROR_DATA[] = {
   0b01111001, // E