rik/tm1638-library
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Restructuring for supporting other modules

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

157
TM1638.cpp
View File

@@ -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;
}

37
TM1638.h
View File

@@ -25,20 +25,18 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "WProgram.h"
#endif
#include "TM1638Fonts.h"
#include "TM16XX.h"
#include "TM16XXFonts.h"
#define TM1638_COLOR_RED 1
#define TM1638_COLOR_GREEN 2
class TM1638
class TM1638 : public TM16XX
{
public:
/** Instantiate a tm1638 module specifying the display state, the starting intensity (0-7) data, clock and stobe pins. */
TM1638(byte dataPin, byte clockPin, byte strobePin, boolean activateDisplay = true, byte intensity = 7);
/** Set the display (segments and LEDs) active or off and intensity (range from 0-7). */
void setupDisplay(boolean active, byte intensity);
/** Set the display to a unsigned hexadecimal number (with or without leading zeros) */
void setDisplayToHexNumber(unsigned long number, byte dots, boolean leadingZeros = true,
const byte numberFont[] = NUMBER_FONT);
@@ -48,23 +46,6 @@ class TM1638
/** Set the display to a unsigned binary number */
void setDisplayToBinNumber(byte number, byte dots,
const byte numberFont[] = NUMBER_FONT);
/** Set a single display at pos (starting at 0) to a digit (left to right) */
void setDisplayDigit(byte digit, byte pos, boolean dot,
const byte numberFont[] = NUMBER_FONT);
/** Set the display to an error message */
void setDisplayToError();
/** 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) */
void setDisplay(const byte values[]);
/** Clear the display */
void clearDisplay();
/** Set the display to the string (defaults to built in font) */
void setDisplayToString(const char* string, const byte dots = 0, const byte pos = 0,
const byte font[] = FONT_DEFAULT);
/** Set the display to the String (defaults to built in font) */
void setDisplayToString(String string, const byte dots = 0, const byte pos = 0,
const byte font[] = FONT_DEFAULT);
/** Set the LED at pos to color (TM1638_COLOR_RED, TM1638_COLOR_GREEN or both) */
virtual void setLED(byte color, byte pos);
@@ -75,17 +56,7 @@ class TM1638
virtual byte getButtons();
protected:
virtual void sendChar(byte pos, byte data, boolean dot);
void sendCommand(byte led);
void sendData(byte add, byte data);
void send(byte data);
byte receive();
private:
byte dataPin;
byte clockPin;
byte strobePin;
virtual void sendChar(byte pos, byte data, boolean dot);
};
#endif

167
TM16XX.cpp Normal file
View File

@@ -0,0 +1,167 @@
/*
TM16XX.cpp - Library implementation for TM16XX.
Copyright (C) 2011 Ricardo Batista (rjbatista <at> gmail <dot> com)
This program is free software: you can redistribute it and/or modify
it under the terms of the version 3 GNU General Public License as
published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#if defined(ARDUINO) && ARDUINO >= 100
#include "Arduino.h"
#else
#include "WProgram.h"
#endif
#include "TM16XX.h"
#include "string.h"
TM16XX::TM16XX(byte dataPin, byte clockPin, byte strobePin, byte displays, boolean activateDisplay,
byte intensity)
{
this->dataPin = dataPin;
this->clockPin = clockPin;
this->strobePin = strobePin;
this->displays = displays;
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 TM16XX::setupDisplay(boolean active, byte intensity)
{
sendCommand(0x80 | (active ? 8 : 0) | min(7, intensity));
}
void TM16XX::setDisplayDigit(byte digit, byte pos, boolean dot, const byte numberFont[])
{
sendChar(pos, numberFont[digit & 0xF], dot);
}
void TM16XX::setDisplayToError()
{
setDisplay(ERROR_DATA, 8);
for (int i = 8; i < displays; i++) {
clearDisplayDigit(i, 0);
}
}
void TM16XX::clearDisplayDigit(byte pos, boolean dot)
{
sendChar(pos, 0, dot);
}
void TM16XX::setDisplay(const byte values[], unsigned int size)
{
for (int i = 0; i < size; i++) {
sendChar(i, values[i], 0);
}
}
void TM16XX::clearDisplay()
{
for (int i = 0; i < displays; i++) {
sendData(i << 1, 0);
}
}
void TM16XX::setDisplayToString(const char* string, const word dots, const byte pos, const byte font[])
{
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);
} else {
break;
}
}
}
void TM16XX::setDisplayToString(const String string, const word dots, const byte pos, const byte font[])
{
int stringLength = string.length();
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);
} else {
break;
}
}
}
void TM16XX::sendCommand(byte cmd)
{
digitalWrite(strobePin, LOW);
send(cmd);
digitalWrite(strobePin, HIGH);
}
void TM16XX::sendData(byte address, byte data)
{
sendCommand(0x44);
digitalWrite(strobePin, LOW);
send(0xC0 | address);
send(data);
digitalWrite(strobePin, HIGH);
}
void TM16XX::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 TM16XX::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;
}

75
TM16XX.h Normal file
View File

@@ -0,0 +1,75 @@
/*
TM16XX.h - Library for TM1638.
Copyright (C) 2011 Ricardo Batista <rjbatista at gmail dot com>
This program is free software: you can redistribute it and/or modify
it under the terms of the version 3 GNU General Public License as
published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TM16XX_h
#define TM16XX_h
#if defined(ARDUINO) && ARDUINO >= 100
#include "Arduino.h"
#else
#include "WProgram.h"
#endif
#include "TM16XXFonts.h"
class TM16XX
{
public:
/**
* Instantiate a tm16xx module specifying the number of displays, display state,
* the starting intensity (0-7) data, clock and stobe pins.
*/
TM16XX(byte dataPin, byte clockPin, byte strobePin, byte displays, boolean activateDisplay = true,
byte intensity = 7);
/** Set the display (segments and LEDs) active or off and intensity (range from 0-7). */
virtual void setupDisplay(boolean active, byte intensity);
/** Set a single display at pos (starting at 0) to a digit (left to right) */
virtual void setDisplayDigit(byte digit, byte pos, boolean dot, const byte numberFont[] = NUMBER_FONT);
/** Set the display to an error message */
virtual void setDisplayToError();
/** Clear a single display at pos (starting at 0, left to right) */
virtual void clearDisplayDigit(byte pos, boolean dot);
/** Set the display to the values (left to right) */
virtual void setDisplay(const byte values[], unsigned int length = 8);
/** Clear the display */
virtual void clearDisplay();
/** Set the display to the string (defaults to built in font) */
virtual void setDisplayToString(const char* string, const word dots = 0, const byte pos = 0,
const byte font[] = FONT_DEFAULT);
/** Set the display to the String (defaults to built in font) */
virtual void setDisplayToString(String string, const word dots = 0, const byte pos = 0,
const byte font[] = FONT_DEFAULT);
protected:
virtual void sendChar(byte pos, byte data, boolean dot) = 0;
virtual void sendCommand(byte led);
virtual void sendData(byte add, byte data);
virtual void send(byte data);
virtual byte receive();
byte displays;
byte dataPin;
byte clockPin;
byte strobePin;
};
#endif

6
TM1638Fonts.h → TM16XXFonts.h
View File

@@ -1,5 +1,5 @@
/*
TM1638Fonts.h - Font definition for TM1638.
TM16XXFonts.h - Font definition for TM16XX.
Copyright (C) 2011 Ricardo Batista (rjbatista <at> gmail <dot> com)
@@ -27,8 +27,8 @@ The bits are displayed by mapping bellow
*/
#ifndef TM1638Fonts_h
#define TM1638Fonts_h
#ifndef TM16XXFonts_h
#define TM16XXFonts_h
// definition for standard hexadecimal numbers
const byte NUMBER_FONT[] = {

2
examples/tm1638_one_module_example/tm1638_one_module_example.pde
View File

@@ -1,5 +1,5 @@
/*
TM1638.h - Library for TM1638.
Library examples for TM1638.
Copyright (C) 2011 Ricardo Batista <rjbatista at gmail dot com>

2
examples/tm1638_scrolling_modules_example/tm1638_scrolling_modules_example.pde
View File

@@ -1,5 +1,5 @@
/*
TM1638.h - Library for TM1638.
Library examples for TM1638.
Copyright (C) 2011 Ricardo Batista <rjbatista at gmail dot com>

2
examples/tm1638_two_modules_example/tm1638_two_modules_example.pde
View File

@@ -1,5 +1,5 @@
/*
TM1638.h - Library for TM1638.
Library examples for TM1638.
Copyright (C) 2011 Ricardo Batista <rjbatista at gmail dot com>