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Restructuring for supporting other modules

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This commit is contained in:
rjbatista@gmail.com
2012-01-11 01:39:34 +00:00
parent b32993401f
commit c297ea9e9f
8 changed files with 266 additions and 182 deletions
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157
TM1638.cpp
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@@ -26,42 +26,19 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "string.h"
TM1638::TM1638(byte dataPin, byte clockPin, byte strobePin, boolean activateDisplay, byte intensity)
: TM16XX(dataPin, clockPin, strobePin, 8, activateDisplay, intensity)
{
this->dataPin = dataPin;
this->clockPin = clockPin;
this->strobePin = strobePin;
pinMode(dataPin, OUTPUT);
pinMode(clockPin, OUTPUT);
pinMode(strobePin, OUTPUT);
digitalWrite(strobePin, HIGH);
digitalWrite(clockPin, HIGH);
sendCommand(0x40);
sendCommand(0x80 | (activateDisplay ? 8 : 0) | min(7, intensity));
digitalWrite(strobePin, LOW);
send(0xC0);
for (int i = 0; i < 16; i++) {
send(0x00);
}
digitalWrite(strobePin, HIGH);
}
void TM1638::setupDisplay(boolean active, byte intensity)
{
sendCommand(0x80 | (active ? 8 : 0) | min(7, intensity));
// nothing else to do - calling super is enough
}
void TM1638::setDisplayToHexNumber(unsigned long number, byte dots, boolean leadingZeros,
const byte numberFont[])
{
for (int i = 0; i < 8; i++) {
for (int i = 0; i < displays; i++) {
if (!leadingZeros && number == 0) {
clearDisplayDigit(7 - i, (dots & (1 << i)) != 0);
clearDisplayDigit(displays - i - 1, (dots & (1 << i)) != 0);
} else {
setDisplayDigit(number & 0xF, 7 - i, (dots & (1 << i)) != 0, numberFont);
setDisplayDigit(number & 0xF, displays - i - 1, (dots & (1 << i)) != 0, numberFont);
number >>= 4;
}
}
@@ -73,15 +50,15 @@ void TM1638::setDisplayToDecNumber(unsigned long number, byte dots, boolean lead
if (number > 99999999L) {
setDisplayToError();
} else {
for (int i = 0; i < 8; i++) {
for (int i = 0; i < displays; i++) {
if (number != 0) {
setDisplayDigit(number % 10, 7 - i, (dots & (1 << i)) != 0, numberFont);
setDisplayDigit(number % 10, displays - i - 1, (dots & (1 << i)) != 0, numberFont);
number /= 10;
} else {
if (leadingZeros) {
setDisplayDigit(0, 7 - i, (dots & (1 << i)) != 0, numberFont);
setDisplayDigit(0, displays - i - 1, (dots & (1 << i)) != 0, numberFont);
} else {
clearDisplayDigit(7 - i, (dots & (1 << i)) != 0);
clearDisplayDigit(displays - i - 1, (dots & (1 << i)) != 0);
}
}
}
@@ -90,61 +67,8 @@ void TM1638::setDisplayToDecNumber(unsigned long number, byte dots, boolean lead
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, numberFont);
}
}
void TM1638::setDisplayDigit(byte digit, byte pos, boolean dot, const byte numberFont[])
{
sendChar(pos, numberFont[digit & 0xF], dot);
}
void TM1638::setDisplayToError()
{
setDisplay(ERROR_DATA);
}
void TM1638::clearDisplayDigit(byte pos, boolean dot)
{
sendChar(pos, 0, dot);
}
void TM1638::setDisplay(const byte values[])
{
for (int i = 0; i < 8; i++) {
sendChar(i, values[i], 0);
}
}
void TM1638::clearDisplay()
{
for (int i = 0; i < 8; i++) {
sendData(i << 1, 0);
}
}
void TM1638::setDisplayToString(const char* string, const byte dots, const byte pos, const byte font[])
{
for (int i = 0; i < 8 - pos; i++) {
if (string[i] != '\0') {
sendChar(i + pos, font[string[i] - 32], dots & (1 << (7 - i)));
} else {
break;
}
}
}
void TM1638::setDisplayToString(const String string, const byte dots, const byte pos, const byte font[])
{
int stringLength = string.length();
for (int i = 0; i < 8 - pos; i++) {
if (i < stringLength) {
sendChar(i + pos, font[string.charAt(i) - 32], dots & (1 << (7 - i)));
} else {
break;
}
for (int i = 0; i < displays; i++) {
setDisplayDigit((number & (1 << i)) == 0 ? 0 : 1, displays - i - 1, (dots & (1 << i)) != 0, numberFont);
}
}
@@ -155,14 +79,14 @@ void TM1638::setLED(byte color, byte pos)
void TM1638::setLEDs(word leds)
{
for (int i = 0; i < 8; i++) {
for (int i = 0; i < displays; i++) {
byte color = 0;
if (leds & (1 << i)) {
if (leds & (1 << i) != 0) {
color |= TM1638_COLOR_RED;
}
if (leds & (1 << (i + 8))) {
if (leds & (1 << (i + 8)) != 0) {
color |= TM1638_COLOR_GREEN;
}
@@ -188,56 +112,3 @@ void TM1638::sendChar(byte pos, byte data, boolean dot)
{
sendData(pos << 1, data | (dot ? 0b10000000 : 0));
}
void TM1638::sendCommand(byte cmd)
{
digitalWrite(strobePin, LOW);
send(cmd);
digitalWrite(strobePin, HIGH);
}
void TM1638::sendData(byte add, byte data)
{
sendCommand(0x44);
digitalWrite(strobePin, LOW);
send(0xc0 | add);
send(data);
digitalWrite(strobePin, HIGH);
}
void TM1638::send(byte data)
{
for (int i = 0; i < 8; i++) {
digitalWrite(clockPin, LOW);
digitalWrite(dataPin, data & 1 ? HIGH : LOW);
data >>= 1;
digitalWrite(clockPin, HIGH);
}
}
byte TM1638::receive()
{
byte temp = 0;
// Pull-up on
pinMode(dataPin, INPUT);
digitalWrite(dataPin, HIGH);
for (int i = 0; i < 8; i++) {
temp >>= 1;
digitalWrite(clockPin, LOW);
if (digitalRead(dataPin)) {
temp |= 0x80;
}
digitalWrite(clockPin, HIGH);
}
// Pull-up off
pinMode(dataPin, OUTPUT);
digitalWrite(dataPin, LOW);
return temp;
}