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Support for inverted module

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This commit is contained in:
rjbatista@gmail.com
2011-12-04 00:20:44 +00:00
parent 39fd21d26f
commit 2c722493c1
8 changed files with 177 additions and 45 deletions
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75
TM1638.cpp
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@@ -1,5 +1,5 @@
/*
TM1638.h - Library for TM1638.
TM1638.cpp - Library implementation for TM1638.
Copyright (C) 2011 Ricardo Batista (rjbatista <at> gmail <dot> com)
@@ -49,65 +49,76 @@ TM1638::TM1638(byte dataPin, byte clockPin, byte strobePin, boolean activateDisp
digitalWrite(strobePin, HIGH);
}
TM1638::~TM1638()
{
// nothing to do
}
void TM1638::setupDisplay(boolean active, byte intensity)
{
sendCommand(0x80 | (active ? 8 : 0) | min(7, intensity));
}
void TM1638::setDisplayToHexNumber(unsigned long number, byte dots, boolean leadingZeros)
void TM1638::setDisplayToHexNumber(unsigned long number, byte dots, boolean leadingZeros,
const byte numberFont[])
{
for (int i = 0; i < 8; i++) {
if (!leadingZeros && number == 0) {
clearDisplayDigit(7 - i, (dots & (1 << i)) != 0);
} else {
setDisplayDigit(number & 0xF, 7 - i, (dots & (1 << i)) != 0);
number >>= 4;
if (!leadingZeros && number == 0) {
clearDisplayDigit(7 - i, (dots & (1 << i)) != 0);
} else {
setDisplayDigit(number & 0xF, 7 - i, (dots & (1 << i)) != 0, numberFont);
number >>= 4;
}
}
}
void TM1638::setDisplayToDecNumber(unsigned long number, byte dots, boolean leadingZeros)
void TM1638::setDisplayToDecNumber(unsigned long number, byte dots, boolean leadingZeros,
const byte numberFont[])
{
if (number > 99999999L) {
setDisplay(ERROR);
setDisplayToError();
} else {
for (int i = 0; i < 8; i++) {
if (number != 0) {
setDisplayDigit(number % 10, 7 - i, (dots & (1 << i)) != 0);
setDisplayDigit(number % 10, 7 - i, (dots & (1 << i)) != 0, numberFont);
number /= 10;
} else {
if (leadingZeros) {
setDisplayDigit(0, 7 - i, (dots & (1 << i)) != 0);
} else {
clearDisplayDigit(7 - i, (dots & (1 << i)) != 0);
}
if (leadingZeros) {
setDisplayDigit(0, 7 - i, (dots & (1 << i)) != 0, numberFont);
} else {
clearDisplayDigit(7 - i, (dots & (1 << i)) != 0);
}
}
}
}
}
void TM1638::setDisplayToBinNumber(byte number, byte dots)
void TM1638::setDisplayToBinNumber(byte number, byte dots, const byte numberFont[])
{
for (int i = 0; i < 8; i++) {
setDisplayDigit((number & (1 << i)) == 0 ? 0 : 1, 7 - i, (dots & (1 << i)) != 0);
setDisplayDigit((number & (1 << i)) == 0 ? 0 : 1, 7 - i, (dots & (1 << i)) != 0, numberFont);
}
}
void TM1638::setDisplayDigit(byte digit, byte pos, boolean dot)
void TM1638::setDisplayDigit(byte digit, byte pos, boolean dot, const byte numberFont[])
{
sendData(pos << 1, NUMBER_DATA[digit & 0xF] | (dot ? 0b10000000 : 0));
sendChar(pos, numberFont[digit & 0xF], dot);
}
void TM1638::setDisplayToError()
{
setDisplay(ERROR_DATA);
}
void TM1638::clearDisplayDigit(byte pos, boolean dot)
{
sendData(pos << 1, (dot ? 0b10000000 : 0));
sendChar(pos, 0, dot);
}
void TM1638::setDisplay(const byte values[])
{
for (int i = 0; i < 8; i++) {
sendData(i << 1, values[i]);
sendChar(i, values[i], 0);
}
}
@@ -121,7 +132,7 @@ void TM1638::clearDisplay()
void TM1638::setDisplayToString(const char* string, const byte dots, const byte font[])
{
for (int i = 0; i < 8; i++) {
sendData(i << 1, font[string[i] - 32] | ((dots & (1 << (7 - i))) != 0 ? 0b10000000 : 0));
sendChar(i, font[string[i] - 32], dots & (1 << (7 - i)));
}
}
@@ -131,9 +142,9 @@ void TM1638::setDisplayToString(const String string, const byte dots, const byte
for (int i = 0; i < 8; i++) {
if (i < stringLength) {
sendData(i << 1, font[string.charAt(i) - 32] | ((dots & (1 << (7 - i))) != 0 ? 0b10000000 : 0));
sendChar(i, font[string.charAt(i) - 32], dots & (1 << (7 - i)));
} else {
sendData(i << 1, 0);
sendChar(i, 0, dots & (1 << (7 - i)));
}
}
}
@@ -146,17 +157,17 @@ void TM1638::setLED(byte color, byte pos)
void TM1638::setLEDs(word leds)
{
for (int i = 0; i < 8; i++) {
byte val = 0;
byte color = 0;
if (leds & (1 << i)) {
val |= 1;
color |= TM1638_COLOR_RED;
}
if (leds & (1 << (i + 8))) {
val |= 2;
color |= TM1638_COLOR_GREEN;
}
sendData((i << 1) + 1, val);
setLED(color, i);
}
}
@@ -174,6 +185,11 @@ byte TM1638::getButtons(void)
return keys;
}
void TM1638::sendChar(byte pos, byte data, boolean dot)
{
sendData(pos << 1, data | (dot ? 0b10000000 : 0));
}
void TM1638::sendCommand(byte cmd)
{
digitalWrite(strobePin, LOW);
@@ -226,4 +242,3 @@ byte TM1638::receive()
return temp;
}