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Support for display on/off and intensity

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This commit is contained in:
rjbatista@gmail.com
2011-08-04 00:25:01 +00:00
parent d1e51e6ffa
commit 1b3265f0cc
3 changed files with 25 additions and 9 deletions
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10
TM1638.cpp
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@@ -61,7 +61,7 @@ const byte ERROR[] = {
0
};
TM1638::TM1638(byte dataPin, byte clockPin, byte strobePin)
TM1638::TM1638(byte dataPin, byte clockPin, byte strobePin, boolean activateDisplay, byte intensity)
{
this->dataPin = dataPin;
this->clockPin = clockPin;
@@ -74,8 +74,8 @@ TM1638::TM1638(byte dataPin, byte clockPin, byte strobePin)
digitalWrite(strobePin, HIGH);
digitalWrite(clockPin, HIGH);
sendCommand(0x8B);
sendCommand(0x40);
sendCommand(0x80 | (activateDisplay ? 8 : 0) | min(7, intensity));
digitalWrite(strobePin, LOW);
send(0xC0);
@@ -85,6 +85,12 @@ TM1638::TM1638(byte dataPin, byte clockPin, byte strobePin)
digitalWrite(strobePin, HIGH);
}
void TM1638::setupDisplay(boolean active, byte intensity)
{
sendCommand(0x80 | (active ? 8 : 0) | min(7, intensity));
}
void TM1638::setDisplayToHexNumber(unsigned long number, byte dots)
{
for (int i = 0; i < 8; i++) {