1 Commits

Author SHA1 Message Date
rjbatista@gmail.com
c327bf715a Version 1.2.0 2011-08-20 02:13:52 +00:00
3 changed files with 10 additions and 56 deletions

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@@ -1,16 +0,0 @@
Version 1.3.0
- added support for String Object;
- added support for removing leading zeros in displaying numbers.
Version 1.2.0
- added support for writing text.
Version 1.1.0
- restructuring and added 2 proper examples, available in the arduino ide.
Version 1.0.0
- initial release.

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@@ -20,7 +20,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "WProgram.h" #include "WProgram.h"
#include "TM1638.h" #include "TM1638.h"
#include "String.h"
TM1638::TM1638(byte dataPin, byte clockPin, byte strobePin, boolean activateDisplay, byte intensity) TM1638::TM1638(byte dataPin, byte clockPin, byte strobePin, boolean activateDisplay, byte intensity)
{ {
@@ -52,19 +51,15 @@ void TM1638::setupDisplay(boolean active, byte intensity)
} }
void TM1638::setDisplayToHexNumber(unsigned long number, byte dots, boolean leadingZeros) void TM1638::setDisplayToHexNumber(unsigned long number, byte dots)
{ {
for (int i = 0; i < 8; i++) { for (int i = 0; i < 8; i++) {
if (!leadingZeros && number == 0) { setDisplayDigit(number & 0xF, 7 - i, (dots & (1 << i)) != 0);
clearDisplayDigit(7 - i, (dots & (1 << i)) != 0); number >>= 4;
} else {
setDisplayDigit(number & 0xF, 7 - i, (dots & (1 << i)) != 0);
number >>= 4;
}
} }
} }
void TM1638::setDisplayToDecNumber(unsigned long number, byte dots, boolean leadingZeros) void TM1638::setDisplayToDecNumber(unsigned long number, byte dots)
{ {
if (number > 99999999L) { if (number > 99999999L) {
setDisplay(ERROR); setDisplay(ERROR);
@@ -74,11 +69,7 @@ void TM1638::setDisplayToDecNumber(unsigned long number, byte dots, boolean lead
setDisplayDigit(number % 10, 7 - i, (dots & (1 << i)) != 0); setDisplayDigit(number % 10, 7 - i, (dots & (1 << i)) != 0);
number /= 10; number /= 10;
} else { } else {
if (leadingZeros) { setDisplayDigit(0, 7 - i, (dots & (1 << i)) != 0);
setDisplayDigit(0, 7 - i, (dots & (1 << i)) != 0);
} else {
clearDisplayDigit(7 - i, (dots & (1 << i)) != 0);
}
} }
} }
} }
@@ -96,11 +87,6 @@ void TM1638::setDisplayDigit(byte digit, byte pos, boolean dot)
sendData(pos << 1, NUMBER_DATA[digit & 0xF] | (dot ? 0b10000000 : 0)); sendData(pos << 1, NUMBER_DATA[digit & 0xF] | (dot ? 0b10000000 : 0));
} }
void TM1638::clearDisplayDigit(byte pos, boolean dot)
{
sendData(pos << 1, (dot ? 0b10000000 : 0));
}
void TM1638::setDisplay(const byte values[]) void TM1638::setDisplay(const byte values[])
{ {
for (int i = 0; i < 8; i++) { for (int i = 0; i < 8; i++) {
@@ -122,19 +108,6 @@ void TM1638::setDisplayToString(const char* string, const byte font[])
} }
} }
void TM1638::setDisplayToString(const String string, const byte font[])
{
int stringLength = string.length();
for (int i = 0; i < 8; i++) {
if (i < stringLength) {
sendData(i << 1, font[string.charAt(i) - 32]);
} else {
sendData(i << 1, 0);
}
}
}
void TM1638::setLED(byte color, byte pos) void TM1638::setLED(byte color, byte pos)
{ {
sendData((pos << 1) + 1, color); sendData((pos << 1) + 1, color);

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@@ -36,24 +36,20 @@ class TM1638
/** Set the display (segments and LEDs) active or off and intensity (range from 0-7). */ /** Set the display (segments and LEDs) active or off and intensity (range from 0-7). */
void setupDisplay(boolean active, byte intensity); void setupDisplay(boolean active, byte intensity);
/** Set the display to a unsigned hexadecimal number (with or without leading zeros) */ /** Set the display to a unsigned hexadecimal number */
void setDisplayToHexNumber(unsigned long number, byte dots, boolean leadingZeros = true); void setDisplayToHexNumber(unsigned long number, byte dots);
/** Set the display to a unsigned decimal number (with or without leading zeros) */ /** Set the display to a unsigned decimal number */
void setDisplayToDecNumber(unsigned long number, byte dots, boolean leadingZeros = true); void setDisplayToDecNumber(unsigned long number, byte dots);
/** Set the display to a unsigned binary number */ /** Set the display to a unsigned binary number */
void setDisplayToBinNumber(byte number, byte dots); void setDisplayToBinNumber(byte number, byte dots);
/** Set a single display at pos (starting at 0) to a digit (left to right) */ /** Set a single display at pos (starting at 0) to a digit (left to right) */
void setDisplayDigit(byte digit, byte pos, boolean dot); void setDisplayDigit(byte digit, byte pos, boolean dot);
/** Clear a single display at pos (starting at 0, left to right) */
void clearDisplayDigit(byte pos, boolean dot);
/** Set the display to the 8 values (left to right) */ /** Set the display to the 8 values (left to right) */
void setDisplay(const byte values[]); void setDisplay(const byte values[]);
/** Clear the display */ /** Clear the display */
void clearDisplay(); void clearDisplay();
/** Set the display to the string (defaults to built in font) */ /** Set the display to the string (defaults to built in font) */
void setDisplayToString(const char* string, const byte font[] = FONT_DEFAULT); void setDisplayToString(const char* string, const byte font[] = FONT_DEFAULT);
/** Set the display to the String (defaults to built in font) */
void setDisplayToString(String string, const byte font[] = FONT_DEFAULT);
/** Set the LED at pos to color (TM1638_COLOR_RED, TM1638_COLOR_GREEN or both) */ /** Set the LED at pos to color (TM1638_COLOR_RED, TM1638_COLOR_GREEN or both) */
void setLED(byte color, byte pos); void setLED(byte color, byte pos);
@@ -76,3 +72,4 @@ class TM1638
}; };
#endif #endif