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Merge pull request #10889 from ajithvasudevan/pr2_tm1637

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Added support for TM1637 Seven-Segment Display
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Theo Arends 2021-02-17 12:04:35 +01:00 committed by GitHub
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build
libraries
sketches
/.project
*.h.gch
.vscode

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language: c
before_install:
- "/sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_1.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :1 -ac -screen 0 1280x1024x16"
- sleep 3
- export DISPLAY=:1.0
- wget https://downloads.arduino.cc/arduino-1.8.12-linux64.tar.xz
- tar xf arduino-1.8.12-linux64.tar.xz
- sudo mv arduino-1.8.12 /usr/local/share/arduino
- sudo ln -s /usr/local/share/arduino/arduino /usr/local/bin/arduino
install:
- ln -s $PWD /usr/local/share/arduino/libraries/SevenSegmentTM1637
script:
- arduino --verify --board arduino:avr:uno --pref sketchbook.path="$PWD" $PWD/examples/Basic/Basic.ino
notifications:
email:
on_success: change
on_failure: change

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# SevenSegmentTM1637 Arduino Library
* master&nbsp;&nbsp;[![Build Status](https://travis-ci.org/bremme/arduino-tm1637.svg?branch=master)](https://travis-ci.org/bremme/arduino-tm1637)
* develop&nbsp;[![Build Status](https://travis-ci.org/bremme/arduino-tm1637.svg?branch=develop)](https://travis-ci.org/bremme/arduino-tm1637)
Arduino library for controlling a TM163x based 7-segment display module. These modules are sold under various names by various suppliers. For example:
* [Seed Studio: Grove 4 digit display](http://www.seeedstudio.com/depot/grove-4digit-display-p-1198.html)
* [Ebay: 4 Bits Digital Tube LED TM1637](http://www.ebay.com/sch/i.html?_odkw=4+Bits+Digital+Tube+LED&_osacat=0&_from=R40&_trksid=p2045573.m570.l1313.TR0.TRC0.H0.X4+Bits+Digital+Tube+LED+TM1637.TRS0&_nkw=4+Bits+Digital+Tube+LED+TM1637&_sacat=0)
* [DealExtreme: LED 4-Digit Display Module](http://www.dx.com/s/TM1637)
They come in different sizes, colors and there is a clock (with a colon) and decimal (with four decimal dots) display variant. But the most common one is the red 0.36" clock version, this is also the cheapest one (you can get those for about $1.50). I've written this library using the above module, if I get my hands on any of the other variants I might add some specific code, for example to print floats on the decimal version.
![TM1637](extras/img/TM1637-4-digit-colon.jpg)
# Hardware setup
| TM1637 PIN | Arduino PIN | Description |
|------------|------------------|---------------------|
| CLK | Any digital pin | Clock |
| DIO | Any digital pin | Digital output |
| VCC | 5V | Supply voltage |
| GND | GND | Ground |
# Installation
Like any other Arduino library this library is installed by copying the files into a directory on the Arduino IDE search path. Most common is to put all files in a director in `your sketch folder/libraries/SevenSegmentTM1637/`. See [installing additional Arduino libraries](https://www.arduino.cc/en/Guide/Libraries) for more information.
# Usage
This library uses the [LCD API v1.0](http://playground.arduino.cc/Code/LCDAPI) so you can use the same functions/methods using this library as any lcd library which conforms to the LCD API. Furthermore this library (like described in the LCD API) inherent the Print class (See [Serial.print()](https://www.arduino.cc/en/Serial/Print) and for more details [Print.h](https://github.com/arduino/Arduino/blob/master/hardware/arduino/avr/cores/arduino/Print.h)). This means that you can use all Print class functions/methods like you're used to when you're doing `Serial.print("Something")` or `Serial.print(128, BIN)` for example.
## Basic methods
* `SevenSegmentTM1637(clkPin, dioPin)`Creates a display object
* `init()` Initializes the display
* `print(value)` Prints anything to the display (e.g. a string, number..)
* `clear()` Clears the display (and resets cursor)
* `home()` Resets cursor
* `setCursor(row, col)` Set the cursor to specified position
* `setBacklight(value)` Sets the brightness of the display
* `on()` Turn the display on (set brightness to default)
* `off()` Turns the display off (set brightness to zero)
* `blink()` Blinks what ever is on the display
* `setColonOn(bool)` Sets the colon in the middle of the display
* `setPrintDelay(time)` Sets the delay when printing more than 4 characters
## Advanced methods
* `encode()` Encodes a single digit, single char or char array (C string)
* `printRaw()` Prints raw byte(s) to the display
* `command()` Sends one or more raw byte commands to the display
## Low level methods
* `comStart()` Serial communication start command
* `comWriteByte(bytes)` Serial communication send byte command
* `comAck()` Serial communication get acknowledged command
* `comStop()` Serial communication stop command
If you still want or need more functionality, I've included two super classes:
* `SevenSegmentExtended()` Extends the base class with more usefull functions.
* `SevenSegmentFun()` Even more extensions for fun.
If you use any of these super classes, you will also get all the basic, advanced and low level methods as well. If you use the fun class extension you will get the extended class methods as well.
## Extended class extra methods
* `SevenSegmentExtended(clkPin, dioPin)` Creates a display object
* `printTime(hour, min, [blink], [blinkDelay])` Prints the time to the display
* `printTime(time, [blink], [blinkDelay])` Prints the time to the display
* `printDualCounter(leftValue, rightValue)` Prints two digits to the display
## Fun class extra methods
* `SevenSegmentFun(clkPin, dioPin)` Creates a display object
* `printLevelVertical(level, [leftToRight])` Print 0-100% (2 steps per digit) vertical level e.g. volume, battery
* `printLevelVertical(level, leftToRight, symbol)` Print 0-100% (1 step per digit) vertical level using custom symbol
* `printLevelHorizontal(levels[])` Prints 4 horizontal levels e.g. equalizer
* `scrollingText()` Prints text and (keeps) scrolling
* `snake()` Classic snake demo
* `nightrider()` Nightrider Kit demo
* `bombTimer()` Count down a (bomb) timer
* `bouncingBall()` Bouncing ball demo
For more extended information on what arguments all above functions accept and return see the header files of the classes (SevenSegmentTM1637.h, SevenSegmentExtended.h and SevenSegmentFun.h).
# Trouble shooting
* Some boards might not have enough power on their 5V pin. In that case try to use an external 5V power supply. People reported that the ESP8266 might be one of those boards.
# Todo
* Refactor library to make it more modular and support more chips
+ Add support for all TM16xx chips (most should already work)
+ Add support for MAX7219 displays
+ Add support for TM74HC595 displays
# Changelog
+ 09-07-2020 version 1.1.1
+ Bug fixes
+ fixed a typo in SevenSegmentFun.h file
+ 04-07-2020 version 1.1.0
+ Improved `printLevelVertical()` using [pablo-lp](https://github.com/pablo-lp) suggestions
+ The default `printLevelVertical()` can diplay twice the number of levels now (e.g. 9 levels for a defaulf 4 digit display)
+ Add configurable blink delay when using the `printTime` methods (thanks to [simoneluconi](https://github.com/simoneluconi))
+ Added a new `printNumber()` method to make it easier to print right aligned numbers
+ Thanks [dan2600](https://github.com/dan2600), [Bilick88](https://github.com/Bilick88), [jasonacox](https://github.com/jasonacox) for your suggestions.
+ Bug fixes
+ Merge PR from [berendkleinhaneveld](https://github.com/berendkleinhaneveld) to fix some compiler warnings
+ Merge PR from [facelessloser](https://github.com/facelessloser) Remove some `Serial.prinln()` calls
+ Merge PR from [RAnders00](https://github.com/RAnders00) Fix incorrect repsonse from `comReadByte()`
+ Merge PR from [per1234](https://github.com/per1234) Use correct separator in `keywords.txt`
+ 04-11-2016 version 1.0.4
+ Fixed bombTimer not counting down to zero (thanks to [foons](https://github.com/fooons) for opening an issue)
* 22-05-2016 version 1.0.3
+ add support for all AVR MCU's (thanks to [per1234](https://github.com/per1234))
* 08-05-2016 version 1.0.2
+ fixed digitalHigh() macro for non AVR boards (thanks to [per1234](https://github.com/per1234))
* 28-09-2015 version 1.0.1
+ fixed folder structure to comply with Arduino library 1.5 rev 2 specifications
* 28-09-2015 version 1.0.0
+ First release
# Note
I spend quite a bit of time to build this library. I hope it will be useful to others. I decided to publish it, although there still might be small bugs. If you find one, just let me know and I will try to fix it. If you have any other suggestion, don't hesitate to contact me.
# Sources
I've looked at many sources while constructing this library, bassicly all alternative Arduino TM1637 libraries and some AVR TM1637 libraries. While doing so I've found some really nice improvements compared to other implementations. For example, most libraries use a really low clock speed (~50us), I've tested with clock speeds as low as 1us and the chip still seems to respond well. Furthermore, from the (Chinese) datasheet it seems that you always have to perform three operation when communicating with the IC; set some configuration, set the address and send 1-4 digit data and set the display brightness. I've found out that this is not the case, you can do all of those separately if you want.
Still without all these fine examples it would have taken me a lot more time to figure out the inner workings of this IC!
Sources:
* http://blog.3d-logic.com/2015/01/21/arduino-and-the-tm1637-4-digit-seven-segment-display/
* http://www.arduino.md/hardware/lcd-and-leds/0-36-led-display-4-digit-red/
* https://brainy-bits.com/tutorials/4-bits-7-segment-led-display-with-arduino/
#### Keywords
People will probably Google for keywords when looking for a driver, so here are some:
```TM1637 TM1636 library Arduino Led Driver 4 Digit Bits Digital LED Tube module LCD API Print.h Print class API display LCD AVR Atmega```

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#include "SevenSegmentAsciiMap.h"
// store an ASCII Map in PROGMEM (Flash memory)
const uint8_t AsciiMap::map[] PROGMEM = {
TM1637_CHAR_SPACE,
TM1637_CHAR_EXC,
TM1637_CHAR_D_QUOTE,
TM1637_CHAR_POUND,
TM1637_CHAR_DOLLAR,
TM1637_CHAR_PERC,
TM1637_CHAR_AMP,
TM1637_CHAR_S_QUOTE,
TM1637_CHAR_L_BRACKET,
TM1637_CHAR_R_BRACKET,
TM1637_CHAR_STAR,
TM1637_CHAR_PLUS,
TM1637_CHAR_COMMA,
TM1637_CHAR_MIN,
TM1637_CHAR_DOT,
TM1637_CHAR_F_SLASH,
TM1637_CHAR_0, // 48 (ASCII)
TM1637_CHAR_1,
TM1637_CHAR_2,
TM1637_CHAR_3,
TM1637_CHAR_4,
TM1637_CHAR_5,
TM1637_CHAR_6,
TM1637_CHAR_7,
TM1637_CHAR_8,
TM1637_CHAR_9,
TM1637_CHAR_COLON,
TM1637_CHAR_S_COLON,
TM1637_CHAR_LESS,
TM1637_CHAR_EQUAL,
TM1637_CHAR_GREAT,
TM1637_CHAR_QUEST,
TM1637_CHAR_AT,
TM1637_CHAR_A, // 65 (ASCII)
TM1637_CHAR_B,
TM1637_CHAR_C,
TM1637_CHAR_D,
TM1637_CHAR_E,
TM1637_CHAR_F,
TM1637_CHAR_G,
TM1637_CHAR_H,
TM1637_CHAR_I,
TM1637_CHAR_J,
TM1637_CHAR_K,
TM1637_CHAR_L,
TM1637_CHAR_M,
TM1637_CHAR_N,
TM1637_CHAR_O,
TM1637_CHAR_P,
TM1637_CHAR_Q,
TM1637_CHAR_R,
TM1637_CHAR_S,
TM1637_CHAR_T,
TM1637_CHAR_U,
TM1637_CHAR_V,
TM1637_CHAR_W,
TM1637_CHAR_X,
TM1637_CHAR_Y,
TM1637_CHAR_Z,
TM1637_CHAR_L_S_BRACKET, // 91 (ASCII)
TM1637_CHAR_B_SLASH,
TM1637_CHAR_R_S_BRACKET,
TM1637_CHAR_A_CIRCUM,
TM1637_CHAR_UNDERSCORE,
TM1637_CHAR_A_GRAVE, // 96 (ASCII)
TM1637_CHAR_a,
TM1637_CHAR_b,
TM1637_CHAR_c,
TM1637_CHAR_d,
TM1637_CHAR_e,
TM1637_CHAR_f,
TM1637_CHAR_g,
TM1637_CHAR_h,
TM1637_CHAR_i,
TM1637_CHAR_j,
TM1637_CHAR_k,
TM1637_CHAR_l,
TM1637_CHAR_m,
TM1637_CHAR_n,
TM1637_CHAR_o,
TM1637_CHAR_p,
TM1637_CHAR_q,
TM1637_CHAR_r,
TM1637_CHAR_s,
TM1637_CHAR_t,
TM1637_CHAR_u,
TM1637_CHAR_v,
TM1637_CHAR_w,
TM1637_CHAR_x,
TM1637_CHAR_y,
TM1637_CHAR_z,
TM1637_CHAR_L_ACCON, // 123 (ASCII)
TM1637_CHAR_BAR,
TM1637_CHAR_R_ACCON,
TM1637_CHAR_TILDE // 126 (ASCII)
};

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#ifndef SevenSegmentAsciiMap_H
#define SevenSegmentAsciiMap_H
#include <Arduino.h>
// ASCII MAPPINGS
#define TM1637_CHAR_SPACE B00000000 // 32 (ASCII)
#define TM1637_CHAR_EXC B00000110
#define TM1637_CHAR_D_QUOTE B00100010
#define TM1637_CHAR_POUND B01110110
#define TM1637_CHAR_DOLLAR B01101101
#define TM1637_CHAR_PERC B00100100
#define TM1637_CHAR_AMP B01111111
#define TM1637_CHAR_S_QUOTE B00100000
#define TM1637_CHAR_L_BRACKET B00111001
#define TM1637_CHAR_R_BRACKET B00001111
#define TM1637_CHAR_STAR B01011100
#define TM1637_CHAR_PLUS B01010000
#define TM1637_CHAR_COMMA B00010000
#define TM1637_CHAR_MIN B01000000
#define TM1637_CHAR_DOT B00001000
#define TM1637_CHAR_F_SLASH B00000110
#define TM1637_CHAR_0 B00111111 // 48
#define TM1637_CHAR_1 B00000110
#define TM1637_CHAR_2 B01011011
#define TM1637_CHAR_3 B01001111
#define TM1637_CHAR_4 B01100110
#define TM1637_CHAR_5 B01101101
#define TM1637_CHAR_6 B01111101
#define TM1637_CHAR_7 B00000111
#define TM1637_CHAR_8 B01111111
#define TM1637_CHAR_9 B01101111
#define TM1637_CHAR_COLON B00110000
#define TM1637_CHAR_S_COLON B00110000
#define TM1637_CHAR_LESS B01011000
#define TM1637_CHAR_EQUAL B01001000
#define TM1637_CHAR_GREAT B01001100
#define TM1637_CHAR_QUEST B01010011
#define TM1637_CHAR_AT B01011111
#define TM1637_CHAR_A B01110111 // 65 (ASCII)
#define TM1637_CHAR_B B01111111
#define TM1637_CHAR_C B00111001
#define TM1637_CHAR_D TM1637_CHAR_d
#define TM1637_CHAR_E B01111001
#define TM1637_CHAR_F B01110001
#define TM1637_CHAR_G B00111101
#define TM1637_CHAR_H B01110110
#define TM1637_CHAR_I B00000110
#define TM1637_CHAR_J B00001110
#define TM1637_CHAR_K B01110101
#define TM1637_CHAR_L B00111000
#define TM1637_CHAR_M B00010101
#define TM1637_CHAR_N B00110111
#define TM1637_CHAR_O B00111111
#define TM1637_CHAR_P B01110011
#define TM1637_CHAR_Q B01100111
#define TM1637_CHAR_R B00110011
#define TM1637_CHAR_S B01101101
#define TM1637_CHAR_T TM1637_CHAR_t
#define TM1637_CHAR_U B00111110
#define TM1637_CHAR_V B00011100
#define TM1637_CHAR_W B00101010
#define TM1637_CHAR_X TM1637_CHAR_H
#define TM1637_CHAR_Y B01101110
#define TM1637_CHAR_Z B01011011
#define TM1637_CHAR_L_S_BRACKET B00111001 // 91 (ASCII)
#define TM1637_CHAR_B_SLASH B00110000
#define TM1637_CHAR_R_S_BRACKET B00001111
#define TM1637_CHAR_A_CIRCUM B00010011
#define TM1637_CHAR_UNDERSCORE B00001000
#define TM1637_CHAR_A_GRAVE B00010000
#define TM1637_CHAR_a B01011111 // 97 (ASCII)
#define TM1637_CHAR_b B01111100
#define TM1637_CHAR_c B01011000
#define TM1637_CHAR_d B01011110
#define TM1637_CHAR_e B01111011
#define TM1637_CHAR_f TM1637_CHAR_F
#define TM1637_CHAR_g B01101111
#define TM1637_CHAR_h B01110100
#define TM1637_CHAR_i B00000100
#define TM1637_CHAR_j B00001100
#define TM1637_CHAR_k TM1637_CHAR_K
#define TM1637_CHAR_l B00110000
#define TM1637_CHAR_m TM1637_CHAR_M
#define TM1637_CHAR_n B01010100
#define TM1637_CHAR_o B01011100
#define TM1637_CHAR_p TM1637_CHAR_P
#define TM1637_CHAR_q TM1637_CHAR_Q
#define TM1637_CHAR_r B01010000
#define TM1637_CHAR_s TM1637_CHAR_S
#define TM1637_CHAR_t B01111000
#define TM1637_CHAR_u B00011100
#define TM1637_CHAR_v B00011100
#define TM1637_CHAR_w TM1637_CHAR_W
#define TM1637_CHAR_x TM1637_CHAR_X
#define TM1637_CHAR_y B01100110
#define TM1637_CHAR_z TM1637_CHAR_Z
#define TM1637_CHAR_L_ACCON B01111001 // 123 (ASCII)
#define TM1637_CHAR_BAR B00000110
#define TM1637_CHAR_R_ACCON B01001111
#define TM1637_CHAR_TILDE B01000000 // 126 (ASCII)
class AsciiMap {
public:
const static uint8_t map[96];
};
// static const uint8_t asciiMap[96];
#endif

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#include "SevenSegmentExtended.h"
SevenSegmentExtended::SevenSegmentExtended(uint8_t pinClk, uint8_t pinDIO) :
SevenSegmentTM1637(pinClk, pinDIO)
{ };
void SevenSegmentExtended::printTime(uint16_t t, bool blink, uint16_t blinkDelay) {
uint16_t max = 2359;
t = ( t > max)?max:t;
uint8_t hour = t / 100;
t -= (hour * 100);
uint8_t min = t;
printTime(hour, min, blink);
};
void SevenSegmentExtended::printTime(uint8_t hour, uint8_t min, bool blink, uint16_t blinkDelay) {
bool colonWasOn = getColonOn();
setColonOn(true);
uint8_t buffer[4];
buffer[0] = encode(int16_t(hour / 10));
buffer[1] = encode(int16_t(hour % 10));
buffer[2] = encode(int16_t(min / 10));
buffer[3] = encode(int16_t(min % 10));
printRaw(buffer, 4, 0);
// turn colon off and on again
if (blink) {
delay(blinkDelay);
setColonOn(false);
printRaw(buffer[1],1);
delay(blinkDelay);
setColonOn(true);
printRaw(buffer[1],1);
}
setColonOn(colonWasOn);
};
void SevenSegmentExtended::printNumber(int16_t number, bool zeroPadding, bool rollOver, bool alignRight) {
const int16_t maxNumber = 9999;
const int16_t minNumber = -999;
bool positive = true;
// get and store sign
if (number < 0) {
positive = false;
};
// roll over if rollOver is set to true
if (rollOver == true) {
if (positive == true) {
number = number % int16_t(10000);
} else {
number = -1 * ((-1 * number) % 1000);
}
// limit number by default
} else {
number = number > maxNumber?maxNumber:number;
number = number < minNumber?minNumber:number;
}
// clear the display first
clear();
// align left is the default behavior, just forward to print
if (alignRight == false) {
print(number);
return;
}
if (positive == false) {
number *= -1;
print("-");
}
if (number > 999) {
setCursor(0, 0);
} else if (number > 99) {
if (zeroPadding == true) {print('0');}
setCursor(0, 1);
} else if (number > 9) {
if (zeroPadding == true) {print(F("00"));}
setCursor(0, 2);
} else {
if (zeroPadding == true) {print(F("000"));}
setCursor(0, 3);
};
print(number);
};
// positive counter 0..99, negative counter 0..-9
void SevenSegmentExtended::printDualCounter(int8_t leftCounter, int8_t rightCounter, bool zeroPadding) {
int8_t max = 99;
int8_t min = -9;
uint8_t zeroByte = encode('0');
leftCounter = (leftCounter > max)?max:leftCounter;
leftCounter = (leftCounter < min)?min:leftCounter;
rightCounter = (rightCounter > max)?max:rightCounter;
rightCounter = (rightCounter < min)?min:rightCounter;
bool colonWasOn = getColonOn(); // get current state
setColonOn(true); // turn on the colon
home(); // set cursor to zero
if ( leftCounter < 10 && leftCounter >= 0) {
if ( zeroPadding ) {
printRaw(zeroByte,1);
setCursor(0,1);
} else {
// print colon
printRaw(TM1637_COLON_BIT,1);
};
};
print(leftCounter);
if ( rightCounter < 10 && rightCounter >= 0) {
if ( zeroPadding ) {
printRaw(zeroByte,2);
}
uint8_t pos = 2;
printRaw(0,pos);
setCursor(0,3);
} else {
setCursor(0,2);
}
print(rightCounter);
// set to previous state
setColonOn(colonWasOn);
};

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#ifndef SevenSegmentExtended_H
#define SevenSegmentExtended_H
#if ARDUINO >= 100
#include <Arduino.h>
#else
#include <WProgram.h>
#endif
#include "SevenSegmentTM1637.h"
class SevenSegmentExtended : public SevenSegmentTM1637 {
public:
SevenSegmentExtended(uint8_t pinClk, uint8_t pinDIO);
/* Prints given time to the display
@param [in] hour hours or minutes
@param [in] min minutes or seconds
*/
void printTime(uint8_t hour, uint8_t min, bool blink = false, uint16_t blinkDelay = TM1637_DEFAULT_CLOCK_BLINK_DELAY);
/* Prints given time to the display
@param [in] t time given as an int, e.g. 1643 prints 16:43
*/
void printTime(uint16_t t, bool blink = false, uint16_t blinkDelay = TM1637_DEFAULT_CLOCK_BLINK_DELAY);
/* Prints a number and aligns it (right by default)
Can print both positive and negative numbers. When the the number is larger then 9999
it will roll over to 0, the same happens for a negative number smaller then -999.
@param [in] number the number to print to the display
@param [in] alignRight (optional) set to true to alightright (default)
@param [in] rollOver (optional) set to true make the number rollover*/
void printNumber(int16_t number, bool zeroPadding = false, bool rollOver = false, bool alignRight = true);
/* Print two one or two digit numbers to the display
* Prints a number to the left and right of the display
*
@param [in] leftCounter the number on the left side of the display
@param [in] rightcounter the numnber on the right side of the display
@param [in] zeroPadding optional: pad counters with zero
*/
void printDualCounter(int8_t leftCounter, int8_t rightCounter, bool zeroPadding = false);
};
#endif

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#include "SevenSegmentFun.h"
const PROGMEM uint8_t levelVerticalMap[4] = {
TM1637_CHAR_HOR_LEVEL_0,
TM1637_CHAR_HOR_LEVEL_1,
TM1637_CHAR_HOR_LEVEL_2,
TM1637_CHAR_HOR_LEVEL_3
};
SevenSegmentFun::SevenSegmentFun(uint8_t pinClk, uint8_t pinDIO) :
SevenSegmentExtended(pinClk, pinDIO)
{
randomSeed(analogRead(0));
};
// 9 levels ( 0, 12.5, 25, 37.4, 50, 62.5, 75.0, 87.5, 100)
void SevenSegmentFun::printLevelVertical(uint8_t level, bool leftToRight) {
level = (level > 100?100:level);
float levelScale = (100 / (TM1637_MAX_COLOM * 2.0));
uint8_t barsOn = float(level) / levelScale;
uint8_t d = leftToRight == true?0:TM1637_MAX_COLOM-1;
for (uint8_t i=0; i < TM1637_MAX_COLOM; i++) {
if (barsOn - (2 * (i + 1)) >= 0) {
_rawBuffer[d] = TM1637_CHAR_VERT_LEVEL_II;
} else if (barsOn - (2 * (i + 1)) >= 1) {
_rawBuffer[d] = (leftToRight == true)?TM1637_CHAR_VERT_LEVEL_I0:TM1637_CHAR_VERT_LEVEL_0I;
} else {
_rawBuffer[d] = 0;
}
if (leftToRight == true) {d++;}
else {d--;};
};
printRaw(_rawBuffer, TM1637_MAX_COLOM, 0);
};
void SevenSegmentFun::printLevelVertical(uint8_t level, bool leftToRight, uint8_t symbol) {
level /= (100 / TM1637_MAX_COLOM);
level = (level > TM1637_MAX_COLOM)?TM1637_MAX_COLOM:level;
for( uint8_t i=0; i < TM1637_MAX_COLOM;i++) {
if ( ( i < level && leftToRight ) || ( i >= ( TM1637_MAX_COLOM - level ) && !leftToRight) ) {
_rawBuffer[i] = symbol;
} else {
_rawBuffer[i] = 0;
}
};
printRaw(_rawBuffer, TM1637_MAX_COLOM, 0);
};
void SevenSegmentFun::nightrider(uint8_t repeats, uint16_t d, uint8_t symbol) {
uint8_t buffer[((TM1637_MAX_COLOM * 2) - 1)] = {0, };
for ( uint8_t i= 0; i < ((TM1637_MAX_COLOM * 2) - 1); i++) {
if ( i == (TM1637_MAX_COLOM - 1) ) {
buffer[i] = symbol;
} else {
buffer[i] = 0;
}
};
for( int8_t r=0; r < repeats; r++) {
for (int8_t i = (TM1637_MAX_COLOM - 1); i > 0; i--) {
printRaw( &buffer[i],4,0);
delay(d);
};
for ( int8_t i = 0; i < (TM1637_MAX_COLOM - 1); i++) {
printRaw( &buffer[i], TM1637_MAX_COLOM, 0);
delay(d);
};
}
}
// 5 levels ( 0, 33, 66, 100)
void SevenSegmentFun::printLevelHorizontal( uint8_t levels[4] ) {
for (uint8_t i=0; i < TM1637_MAX_COLOM;i++) {
levels[i] /= (100 / 3);
levels[i] = ( levels[i] > 3)?3:levels[i];
_rawBuffer[i] = pgm_read_byte_near(levelVerticalMap + levels[i]);
};
printRaw(_rawBuffer, TM1637_MAX_COLOM, 0);
}
void SevenSegmentFun::scrollingText(const char* str, uint8_t repeats) {
uint8_t buffer[TM1637_MAX_CHARS];
size_t length = encode(&buffer[3], str, TM1637_MAX_CHARS);
uint8_t paddingBegin = TM1637_MAX_COLOM - 1;
uint8_t totalPadding = (2 * paddingBegin) + 1;
// padd with three spaces in front
for(uint8_t i=0; i < paddingBegin; i++) {
buffer[i] = 0;
};
// padd with four spaces at the end (empty scree)
for(uint8_t i = length + paddingBegin; i < length + totalPadding ; i++) {
buffer[i] = 0;
};
for( ; repeats != 0; repeats--) {
printRaw(buffer, length + totalPadding);
if ( repeats > 250 ) { // more than 250 -> forever
repeats++;
}
};
}
void SevenSegmentFun::snake(uint8_t repeats, uint16_t d) {
uint8_t outerEdges = (4 * TM1637_MAX_LINES) + (TM1637_MAX_COLOM * 2);
uint8_t widthEdged = (TM1637_MAX_COLOM * 2);
// number of repeats/rounds
for ( uint8_t r=0; r < repeats; r++) {
// 12 steps for all outer edges
for (uint8_t i=0; i < outerEdges; i++) {
for (uint8_t j=0; j < TM1637_MAX_COLOM; j++) {
// set segments
// top edges
if ( i == j) {
_rawBuffer[j] =TM1637_CHAR_SNAKE_0;
}
// top right edge
else if ( i == TM1637_MAX_COLOM && j == 3) {
_rawBuffer[j] =TM1637_CHAR_SNAKE_1;
}
// bottom left edge
else if ( i == (TM1637_MAX_COLOM + 1) && j == 3) {
_rawBuffer[j] =TM1637_CHAR_SNAKE_2;
}
// bottom edges
else if ( i + j == (widthEdged + 1) ) {
_rawBuffer[j] =TM1637_CHAR_SNAKE_3;
}
// bottom left edge
else if ( i == (widthEdged + 2) && j == 0) {
_rawBuffer[j] =TM1637_CHAR_SNAKE_4;
}
// top left edge
else if ( i == (widthEdged + 3) && j == 0) {
_rawBuffer[j] =TM1637_CHAR_SNAKE_5;
} else {
_rawBuffer[j] = 0;
};
};
printRaw(_rawBuffer, 4, 0);
delay(d);
}
};
}
void SevenSegmentFun::bombTimer(uint8_t hours, uint8_t min, uint16_t speed) {
// maximum speed is 60000 -> 1min per ms
speed = (speed > 60000)?60000:speed;
uint16_t d = 60000 / speed;
// copy start minute
int8_t m = min;
int8_t h;
for ( h=hours; h >= 0; h--) {
for ( ; m >= 0; m--) {
printTime((uint8_t)h, (uint8_t)m);
delay(d);
};
m = 59; // reset minute timer
};
blink();
};
void SevenSegmentFun::bombTimer(uint8_t hours, uint8_t min, uint16_t speed, char* str) {
bombTimer(hours, min, speed);
print(str);
blink();
};
void SevenSegmentFun::bouncingBall(uint16_t moves, uint16_t d, bool runForever) {
int8_t wallRight = TM1637_MAX_COLOM - 1;
int8_t wallBottom = TM1637_MAX_LINES;
// start at top left
int8_t x = 0; int8_t y = 0;
int8_t newX; int8_t newY;
// default speed is 1 x right and 2 y down
int8_t vx = 1; int8_t vy = 1;
bool flipVx = false; bool flipVy = false;
// print initial state
printBall(x, y);
for ( ; moves != 0; moves--) {
newX = x + vx;
newY = y + vy;
// check if ball has hit the wall
if (newX > wallRight || newX < 0 ) {
vx = vx * -1;
newX = x + vx;
// random flip other direction as well
flipVy = (random(3) == 1);
};
if ( newY > wallBottom || newY < 0) {
vy = vy * -1;
newY = y + vy;
// random flip other direction as well
flipVx = (random(3) == 1);
};
if ( flipVy ) {
newY = y;
} else if ( flipVx ) {
newX = x;
};
// set new coordinates
x = newX; y = newY;
printBall(x, y);
delay(d);
if (runForever) {
moves++;
};
};
}
void SevenSegmentFun::printBall( const int8_t x, const int8_t y ) {
// uint8_t buffer[4] = {0,0,0,0};
// buffer[x] = (y > 0)?TM1637_CHAR_BALL_LOW:TM1637_CHAR_BALL_HIGH;
// printRaw(buffer);
uint8_t symbol = (y > 0)?TM1637_CHAR_BALL_LOW:TM1637_CHAR_BALL_HIGH;
print4Bit(x, y, symbol);
};
void SevenSegmentFun::print4Bit( const uint8_t x, const uint8_t y, uint8_t symbol) {
uint8_t buffer[4] = {0,0,0,0};
buffer[x] = symbol;
printRaw(buffer);
}

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#ifndef SevenSegmentFun_H
#define SevenSegmentFun_H
#if ARDUINO >= 100
#include <Arduino.h>
#else
#include <WProgram.h>
#endif
#include "SevenSegmentTM1637.h"
#include "SevenSegmentExtended.h"
// COMPILE TIME USER CONFIG ////////////////////////////////////////////////////
#define TM1637_SNAKE_DEFAULT_DELAY 50 // Snake step delay ms
#define TM1637_BOUNCING_BALL_DEFAULT_DELAY 100 // Bouncing ball delay ms
#define TM1637_NIGHTRIDER_DEFAULT_DELAY 200 // Nightrider delay ms
//
// A
// ---
// * F | | B
// X -G-
// * E | | C
// ---
// D
// X defines the colon (dots) and only applies to byte 1 (second from left)
// BXGFEDCBA
#define TM1637_CHAR_VERT_LEVEL_I0 B00110000 // | one bar left
#define TM1637_CHAR_VERT_LEVEL_0I B00000110 // | one bar right
#define TM1637_CHAR_VERT_LEVEL_II B00110110 // || two bars
#define TM1637_CHAR_HOR_LEVEL_0 B00000000
#define TM1637_CHAR_HOR_LEVEL_1 B00001000
#define TM1637_CHAR_HOR_LEVEL_2 B01001000
#define TM1637_CHAR_HOR_LEVEL_3 B01001001
#define TM1637_CHAR_SNAKE_0 B00000001
#define TM1637_CHAR_SNAKE_1 B00000010
#define TM1637_CHAR_SNAKE_2 B00000100
#define TM1637_CHAR_SNAKE_3 B00001000
#define TM1637_CHAR_SNAKE_4 B00010000
#define TM1637_CHAR_SNAKE_5 B00100000
#define TM1637_CHAR_BALL_HIGH B01100011
#define TM1637_CHAR_BALL_LOW B01011100
class SevenSegmentFun : public SevenSegmentExtended {
public:
SevenSegmentFun(uint8_t pinClk, uint8_t pinDIO);
void printLevelVertical(uint8_t level, bool leftToRight = true);
void printLevelVertical(uint8_t level, bool leftToRight, uint8_t symbol);
void printLevelHorizontal(uint8_t levels[4]);
void scrollingText(const char* str, uint8_t repeats);
void snake(uint8_t repeats = 1, uint16_t d = TM1637_SNAKE_DEFAULT_DELAY);
void nightrider(uint8_t repeats = 10, uint16_t d = TM1637_NIGHTRIDER_DEFAULT_DELAY, uint8_t symbol = TM1637_CHAR_VERT_LEVEL_II);
void bombTimer(uint8_t hours, uint8_t min, uint16_t speed = 60);
void bombTimer(uint8_t hours, uint8_t min, uint16_t speed, char* str);
void bouncingBall(uint16_t moves, uint16_t d, bool runForever = false);
void printBall(const int8_t x, const int8_t y);
void print4Bit(const uint8_t x, const uint8_t y, uint8_t symbol);
private:
};
#endif

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#include "SevenSegmentTM1637.h"
SevenSegmentTM1637::SevenSegmentTM1637(uint8_t pinClk, uint8_t pinDIO) :
_pinClk(pinClk),
_pinDIO(pinDIO)
{
// setup pins
pinAsOutput(_pinClk);
pinAsOutput(_pinDIO);
digitalHigh(_pinClk);
digitalHigh(_pinDIO);
// setup defaults
setCursor(0, TM1637_DEFAULT_CURSOR_POS);
setPrintDelay(TM1637_DEFAULT_PRINT_DELAY);
setColonOn(TM1637_DEFAULT_COLON_ON);
setBacklight(TM1637_DEFAULT_BACKLIGHT);
// write command SET_DATA (Command1) Defaults
command(
TM1637_COM_SET_DATA |
TM1637_SET_DATA_WRITE |
TM1637_SET_DATA_A_ADDR |
TM1637_SET_DATA_M_NORM
);
};
// Print API ///////////////////////////////////////////////////////////////////
// single byte
size_t SevenSegmentTM1637::write(uint8_t byte) {
TM1637_DEBUG_PRINT(F("write byte:\t")); TM1637_DEBUG_PRINTLN((char)byte);
size_t n = 0;
if ( _cursorPos == _numCols ) {
shiftLeft(_rawBuffer, _numCols);
_rawBuffer[_cursorPos] = encode( (char)byte );
// buffer, length, position
printRaw( _rawBuffer, _numCols, 0);
++n;
};
if (_cursorPos < _numCols) {
_rawBuffer[_cursorPos] = encode( (char)byte );
// buffer, length, position
printRaw( _rawBuffer, _cursorPos+1, 0);
setCursor(1, _cursorPos + 1);
++n;
}
return n;
}
// null terminated char array
size_t SevenSegmentTM1637::write(const char* str) {
TM1637_DEBUG_PRINT(F("write char*:\t")); TM1637_DEBUG_PRINTLN(str);
uint8_t encodedBytes[4];
encode(encodedBytes, str, 4);
uint8_t i =4;
while( str[i] != '\0' ) {
printRaw(encodedBytes);
shiftLeft(encodedBytes, 4);
encodedBytes[3] = encode( str[i] );
i++;
if ( i == TM1637_MAX_CHARS) {
break;
}
}
return i;
};
// byte array with length
size_t SevenSegmentTM1637::write(const uint8_t* buffer, size_t size) {
TM1637_DEBUG_PRINT(F("write uint8_t*:\t("));
for(size_t i=0; i < size; i++) {
TM1637_DEBUG_PRINT((char)buffer[i]);
TM1637_DEBUG_PRINT(i == size -1?F(""):F(", "));
}
TM1637_DEBUG_PRINT(F(") "));
TM1637_DEBUG_PRINT(size);
uint8_t encodedBytes[TM1637_MAX_CHARS];
if ( size > TM1637_MAX_CHARS) {
size = TM1637_MAX_CHARS;
}
size_t length = encode(encodedBytes, buffer, size);
TM1637_DEBUG_PRINT(F(" (")); TM1637_DEBUG_PRINT(length); TM1637_DEBUG_PRINT(F(", "));
TM1637_DEBUG_PRINT(_cursorPos); TM1637_DEBUG_PRINTLN(F(")"));
printRaw(encodedBytes, length, _cursorPos);
return length;
};
// Liquid cristal API
void SevenSegmentTM1637::begin(uint8_t cols, uint8_t rows) {
_numCols = cols;
_numRows = rows;
clear();
};
void SevenSegmentTM1637::init(uint8_t cols, uint8_t rows) {
begin(cols, rows);
}
void SevenSegmentTM1637::clear(void) {
uint8_t rawBytes[4] = {0,0,0,0};
printRaw(rawBytes);
home();
};
void SevenSegmentTM1637::home(void) {
setCursor(0, 0);
};
void SevenSegmentTM1637::setCursor(uint8_t row, uint8_t col) {
col = (col > TM1637_MAX_COLOM -1)?TM1637_MAX_COLOM-1:col;
_cursorPos = col;
};
void SevenSegmentTM1637::setBacklight(uint8_t value) {
value = (value > 100 )?100:value; // 0..100 brightness
// Store the backlight value
_backLightValue = value;
// scale backlight value to 0..8
value /= 10; // 0..10
value = (value > 8 )? 8:value; // only 8 levels and off
uint8_t cmd = TM1637_COM_SET_DISPLAY;;
switch ( value ) {
case 0:
cmd |= TM1637_SET_DISPLAY_OFF;
break;
case 1:
cmd |= TM1637_SET_DISPLAY_ON | TM1637_SET_DISPLAY_1;
break;
case 2:
cmd |= TM1637_SET_DISPLAY_ON | TM1637_SET_DISPLAY_2;
break;
case 3:
cmd |= TM1637_SET_DISPLAY_ON | TM1637_SET_DISPLAY_4;
break;
case 4:
cmd |= TM1637_SET_DISPLAY_ON | TM1637_SET_DISPLAY_10;
break;
case 5:
cmd |= TM1637_SET_DISPLAY_ON | TM1637_SET_DISPLAY_11;
break;
case 6:
cmd |= TM1637_SET_DISPLAY_ON | TM1637_SET_DISPLAY_12;
break;
case 7:
cmd |= TM1637_SET_DISPLAY_ON | TM1637_SET_DISPLAY_13;
break;
case 8:
cmd |= TM1637_SET_DISPLAY_ON | TM1637_SET_DISPLAY_14;
break;
};
#if TM1637_DEBUG
bool ack = command(cmd);
TM1637_DEBUG_PRINT(F("SET_DISPLAY:\t")); TM1637_DEBUG_PRINTLN((
cmd
), BIN);
TM1637_DEBUG_PRINT(F("Acknowledged:\t")); TM1637_DEBUG_PRINTLN(ack);
#else
command(cmd);
#endif
};
void SevenSegmentTM1637::setContrast(uint8_t value) {
setBacklight(value);
}
void SevenSegmentTM1637::on(void) {
setBacklight(TM1637_DEFAULT_BACKLIGHT);
};
void SevenSegmentTM1637::off(void) {
setBacklight(0);
clear();
};
// SevenSegmentTM1637 public methods
void SevenSegmentTM1637::blink(uint8_t blinkDelay, uint8_t repeats, uint8_t maxBacklight, uint8_t minBacklight) {
for (uint8_t i=0; i < repeats; i++) {
setBacklight(minBacklight); // turn backlight off
delay(blinkDelay);
setBacklight(maxBacklight); // turn backlight on
delay(blinkDelay);
}
// restore backlight
setBacklight(_backLightValue);
}
void SevenSegmentTM1637::setPrintDelay(uint16_t printDelay) {
_printDelay = printDelay;
};
bool SevenSegmentTM1637::getColonOn(void) {
return (_colonOn);
};
void SevenSegmentTM1637::setColonOn(bool setToOn) {
_colonOn = setToOn;
}
void SevenSegmentTM1637::printRaw(uint8_t rawByte, uint8_t position) {
uint8_t cmd[2];
cmd[0] = TM1637_COM_SET_ADR | position;
cmd[1] = rawByte;
if (position == 1) { cmd[1]|=(_colonOn)?TM1637_COLON_BIT:0; };
command(cmd, 2);
};
void SevenSegmentTM1637::printRaw(const uint8_t* rawBytes, size_t length, uint8_t position) {
// if fits on display
if ( (length + position) <= _numCols) {
uint8_t cmd[5] = {0, };
cmd[0] = TM1637_COM_SET_ADR | (position & B111); // sets address
memcpy(&cmd[1], rawBytes, length); // copy bytes
// do we have to print a colon?
if ( position < 2 ) { // printing after position 2 has never a colon
if ( position == 0 && length >= 2) {
// second index is the colon
cmd[2] |= (_colonOn)?TM1637_COLON_BIT:0;
} else {
// first index is the colon
cmd[1] |= (_colonOn)?TM1637_COLON_BIT:0;
}
}
// TM1637_DEBUG_PRINT(F("ADDR :\t")); TM1637_DEBUG_PRINTLN(cmd[0],BIN);
// TM1637_DEBUG_PRINT(F("DATA0:\t")); TM1637_DEBUG_PRINTLN(cmd[1],BIN);
command(cmd, length+1); // send to display
}
// does not fit on display, need to print with delay
else {
// First print 1-4 characters
uint8_t numtoPrint = _numCols - position;
printRaw(rawBytes, numtoPrint, position);
delay(_printDelay);
// keep printing 4 characters till done
uint8_t remaining = length - numtoPrint + 3;
uint8_t i = 1;
while( remaining >= _numCols) {
printRaw(&rawBytes[i], _numCols, 0);
delay(_printDelay);
remaining--;
i++;
};
}
};
// Helpers
uint8_t SevenSegmentTM1637::encode(char c) {
if ( c < ' ') { // 32 (ASCII)
return 0;
}
return pgm_read_byte_near(AsciiMap::map + c - ' ');
};
uint8_t SevenSegmentTM1637::encode(int16_t d) {
// can only encode single digit
if ( d > 9 || d < 0) {
return 0;
};
return pgm_read_byte_near(AsciiMap::map + d + '0' - ' ');
};
size_t SevenSegmentTM1637::encode(uint8_t* buffer, const char* str, size_t bufferSize) {
size_t i;
for (i=0; i < bufferSize; i++) {
if (str[i] == '\0' ) {
return i;
}
buffer[i] = encode( str[i] );
};
return i;
}
size_t SevenSegmentTM1637::encode(uint8_t* buffer, const uint8_t* byteArr, size_t bufferSize) {
size_t i;
for (i=0; i < bufferSize; i++) {
buffer[i] = encode( (char)byteArr[i] );
};
return i;
}
void SevenSegmentTM1637::shiftLeft(uint8_t* buffer, size_t length) {
for (uint8_t i=0; i < length ; i++) {
buffer[i] = buffer[i+1];
}
}
// SevenSegmentTM1637 LOW LEVEL
bool SevenSegmentTM1637::command(uint8_t cmd) const{
return command(_pinClk, _pinDIO, cmd);
};
bool SevenSegmentTM1637::command(uint8_t pinClk, uint8_t pinDIO, uint8_t cmd) {
comStart(pinClk, pinDIO);
comWriteByte(pinClk, pinDIO,cmd);
bool acknowledged = comAck(pinClk, pinDIO);
comStop(pinClk, pinDIO);
return acknowledged;
}
bool SevenSegmentTM1637::command(const uint8_t* commands, uint8_t length) const {
return command(_pinClk, _pinDIO, commands, length);
};
bool SevenSegmentTM1637::command(uint8_t pinClk, uint8_t pinDIO, const uint8_t* commands, uint8_t length) {
bool acknowledged = true;
comStart(pinClk, pinDIO);
for (uint8_t i=0; i < length;i++) {
comWriteByte(pinClk, pinDIO, commands[i]);
acknowledged &= comAck(pinClk, pinDIO);
};
comStop(pinClk, pinDIO);
return acknowledged;
}
uint8_t SevenSegmentTM1637::comReadByte(void) const {
uint8_t readKey = 0;
comStart();
comWriteByte(TM1637_COM_SET_DATA | TM1637_SET_DATA_READ);
comAck();
pinAsInput(_pinDIO);
digitalHigh(_pinDIO);
delayMicroseconds(5);
for ( uint8_t i=0; i < 8; i++) {
readKey >>= 1;
digitalLow(_pinClk);
delayMicroseconds(30);
digitalHigh(_pinClk);
if ( isHigh(_pinDIO) ) {
readKey = readKey | B10000000;
};
delayMicroseconds(30);
};
pinAsOutput(_pinDIO);
comAck();
comStop();
return readKey;
};
void SevenSegmentTM1637::comWriteByte(uint8_t command) const{
comWriteByte(_pinClk, _pinDIO, command);
};
void SevenSegmentTM1637::comWriteByte(uint8_t pinClk, uint8_t pinDIO, uint8_t command) {
// CLK in bits
for ( uint8_t i=0; i < 8; i++) {
digitalLow(pinClk); // CLK LOW
if ( command & B1) {
digitalHigh(pinDIO);// DIO HIGH
} else {
digitalLow(pinDIO); // DIO LOW
}
delayMicroseconds(TM1637_CLK_DELAY_US);
command >>= 1;
digitalHigh(pinClk); // CLK HIGH
delayMicroseconds(TM1637_CLK_DELAY_US);
};
}
void SevenSegmentTM1637::comStart(void) const {
comStart(_pinClk, _pinDIO);
};
void SevenSegmentTM1637::comStart(uint8_t pinClk, uint8_t pinDIO) {
digitalHigh(pinDIO); // DIO HIGH
digitalHigh(pinClk); // CLK HIGH
delayMicroseconds(TM1637_CLK_DELAY_US);
digitalLow(pinDIO); // DIO LOW
}
void SevenSegmentTM1637::comStop(void) const {
comStop(_pinClk, _pinDIO);
};
void SevenSegmentTM1637::comStop(uint8_t pinClk, uint8_t pinDIO) {
digitalLow(pinClk); // CLK LOW
delayMicroseconds(TM1637_CLK_DELAY_US);
digitalLow(pinDIO); // DIO LOW
delayMicroseconds(TM1637_CLK_DELAY_US);
digitalHigh(pinClk); // CLK HIGH
delayMicroseconds(TM1637_CLK_DELAY_US);
digitalHigh(pinDIO); // DIO HIGH
}
bool SevenSegmentTM1637::comAck(void) const {
return comAck(_pinClk, _pinDIO);
};
bool SevenSegmentTM1637::comAck(uint8_t pinClk, uint8_t pinDIO) {
bool acknowledged = false;
digitalLow(pinClk); // CLK LOW
pinAsInputPullUp(pinDIO); // DIO INPUT PULLUP (state==HIGH)
delayMicroseconds(TM1637_CLK_DELAY_US);
acknowledged = isLow(pinDIO);// Ack should pull the pin low again
digitalHigh(pinClk); // CLK HIGH
delayMicroseconds(TM1637_CLK_DELAY_US);
digitalLow(pinClk); // CLK LOW
pinAsOutput(pinDIO);
return acknowledged;
}

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/*
SevenSegmentTM1637 - class to control a 4 digit seven segment display with a TM1636 or TM1637 driver IC
Created by Bram Harmsen, September 25, 2015
Released into the public domain.
Licence: GNU GENERAL PUBLIC LICENSE V2.0
# Changelog
v1.0 25-10-2015
v1.1 04-07-2020
*/
#ifndef SevenSegmentTM1637_H
#define SevenSegmentTM1637_H
#include <Arduino.h>
#include "SevenSegmentAsciiMap.h"
// COMPILE TIME USER CONFIG ////////////////////////////////////////////////////
#define TM1637_DEBUG false // true for serial debugging
#define TM1637_BEGIN_DELAY 500 // ms
#define TM1637_PRINT_BUFFER_SIZE 128 // lower if you don't need it
// Default values //////////////////////////////////////////////////////////////
#define TM1637_DEFAULT_PRINT_DELAY 300 // 300 ms delay between characters
#define TM1637_DEFAULT_BLINK_DELAY 50 // ms
#define TM1637_DEFAULT_CLOCK_BLINK_DELAY 500 // the default delay for when using printTime
#define TM1637_DEFAULT_BLINK_REPEAT 10
#define TM1637_DEFAULT_CURSOR_POS 0 // 0-MAX-1 (e.g 3)
#define TM1637_DEFAULT_COLON_ON false //
#define TM1637_DEFAULT_BACKLIGHT 100 // 0..100
#define TM1637_MAX_LINES 1 // number of display lines
#define TM1637_MAX_COLOM 4 // number of coloms (digits)
#define TM1637_MAX_CHARS 128
// PROGRAM CONFIG (ONLY CHANGE WHEN YOU KNOW WHAT YOU RE DOING:)////////////////
#define TM1637_CLK_DELAY_US 5 // clock delay for communication
// mine works with 1us, perhaps increase if display does not function ( tested upto 1ms)
// COMMANDS ////////////////////////////////////////////////////////////////////
#define TM1637_COM_SET_DATA B01000000 // 0x40 (1) Data set
#define TM1637_COM_SET_ADR B11000000 // 0xC0 (2) Address command set
#define TM1637_COM_SET_DISPLAY B10000000 // 0x80 (3) Display control command set
// Data set (1) (use logical OR to contruct complete command)
#define TM1637_SET_DATA_WRITE B00000000 // Write data to the display register
#define TM1637_SET_DATA_READ B00000010 // Read the key scan data
#define TM1637_SET_DATA_A_ADDR B00000000 // Automatic address increment
#define TM1637_SET_DATA_F_ADDR B00000100 // Fixed address
#define TM1637_SET_DATA_M_NORM B00000000 // Normal mode
#define TM1637_SET_DATA_M_TEST B00100000 // Test mode
// Address settings (2) (use logical OR to contruct complete command)
#define TM1637_SET_ADR_00H B0000000 // addr 00
#define TM1637_SET_ADR_01H B0000001 // addr 01
#define TM1637_SET_ADR_02H B0000010 // addr 02
#define TM1637_SET_ADR_03H B0000011 // addr 03
#define TM1637_SET_ADR_04H B0000100 // addr 04 (only TM1637)
#define TM1637_SET_ADR_05H B0000101 // addr 05 (only TM1637)
// The command is used to set the display register address; if the address is set to 0C4H or higher, the data is ignored, until the effective address is set; when the power is on, the default is set to 00H address.
// Display control command set (use logical OR to consruct complete command)
#define TM1637_SET_DISPLAY_1 B0000000 // Pulse width 1/16 (0.0625) (0)
#define TM1637_SET_DISPLAY_2 B0000001 // Pulse width 2/16 (0.0625) (1)
#define TM1637_SET_DISPLAY_4 B0000010 // Pulse width 4/16 (0.0625) (2)
#define TM1637_SET_DISPLAY_10 B0000011 // Pulse width 10/16 (0.0625) (3)
#define TM1637_SET_DISPLAY_11 B0000100 // Pulse width 11/16 (0.0625) (4)
#define TM1637_SET_DISPLAY_12 B0000101 // Pulse width 12/16 (0.0625) (5)
#define TM1637_SET_DISPLAY_13 B0000110 // Pulse width 13/16 (0.0625) (6)
#define TM1637_SET_DISPLAY_14 B0000111 // Pulse width 14/16 (0.0625) (7)
#define TM1637_SET_DISPLAY_OFF B0000000 // OFF
#define TM1637_SET_DISPLAY_ON B0001000 // ON
// there are a total of 8 brighness values, plus off
// PROTOCOL SPECIFICATION
/*
* Structure
* START COMMAND ACK STOP set config or display
* START ADR_CMD DATA ACK STOP sets single digit
* START ADR_CMD DATA0 .. DATAN ACK STOP sets multiple digits when in auto mode
*
* There are basicly three things you can do:
* 1. Set some configuration values
* - read/write mode, auto/manual address, normal/test mode
* 2. Set a (starting) address followed by 1 or N data bytes
* 3. Set the display brightness (pwm) 0-7 and on or off
*
* From the datasheet it might seem that you always have to perform all three commands; setting configuration, setting address and data bytes and display. I'v tested this and this is not true. You can just set only one of these three. But ofcourse you have to make sure that your configuration is set properly. For example if you haven't set the configuration to automatic addresses, you can't just send out 4 data bytes, it won't work. Simlilair, if your display is off and you write some data to it, it won't display. On the other hand most default setting are what you want most of the time.
*/
class SevenSegmentTM1637 : public Print {
public:
// LIQUID CRISTAL API ///////////////////////////////////////////////////////
// See http://playground.arduino.cc/Code/LCDAPI for more details.
/* Constructor
@param [in] pinClk clock pin (any digital pin)
@param [in] pinDIO digital output pin (any digital pin)
*/
SevenSegmentTM1637(uint8_t pinClk, uint8_t pinDIO);
/* Initializes the display
* Initializes the display, sets some text and blinks the display
@param [in] cols optional: number of coloms (digits)
@param [in] rows optional: number of rows
*/
void init(uint8_t cols = TM1637_MAX_COLOM, uint8_t rows = TM1637_MAX_LINES);
/* Implemented for compatibility, see begin() above */
void begin(uint8_t cols = TM1637_MAX_COLOM, uint8_t rows = TM1637_MAX_LINES);
// Print class inheritance ///////////////////////////////////////////////////
// See https://github.com/arduino/Arduino/blob/master/hardware/arduino/avr/cores/arduino/Print.h for more details
/* This library inherent the Print class, this means that all regular print function can be used. For example:
* printing a number: print(78)
* printint a number in BIN, OCT, HEX..: print(78, BIN)
* printing a float: print(2.85)
* printing a PROGMEM c string: print(F("Arduino"))
*
* Also the more low level write() function can be used. (Actually all print function eventually call one of these write methods, every class that wants to inherent from the Print class needs to implement these)
*/
size_t write(uint8_t byte);
size_t write(const char* str);
size_t write(const uint8_t* buffer, size_t size);
/* Clears the display
* Writes zero to all digits and segments, display off.
*/
void clear(void);
/* Sets the cursor position to zero
*/
void home(void);
/* Sets the cursor position to a specfic position
*
@param [in] col colomn (position)
*/
void setCursor(uint8_t row, uint8_t col);
// Liquid cristal optional //////////////////////////////////////////////////
/* Sets the display backlight
* The display has 8 PWM modes and an off mode. The function accepts a value from 0 to 100, where 80-100 are the same; full brighness.
@param [in] value brightness value (0..80(100))
*/
void setBacklight(uint8_t value);
/* Sets the display contrast (identical to brightness)
* This function is mainly for compatibility with the LCD API
*/
void setContrast(uint8_t value);
/* Turns the display ON
* Identical to setting the brightness to the default value.
*/
void on(void);
/* Turns the display ON
* Identical to setting the brightness to zero and clearing the display.
*/
void off(void);
// SevenSegmentTM1637 METHODS ///////////////////////////////////////////////
/* Blink the last printed text
*
@param [in] blinkDelay optional: blink delay in ms
@param [in] repeats optional: number of blink repeats
*/
void blink(uint8_t blinkDelay = TM1637_DEFAULT_BLINK_DELAY, uint8_t repeats = TM1637_DEFAULT_BLINK_REPEAT, uint8_t maxBacklight=100, uint8_t minBacklight=0);
// getters and setters ///////////////////////////////////////////////////////
/* Turn the colon on or off
* When turing the colon on, the next displayed text/numbers will have a colon
@param [in] setToOn sets the colon to on or off
*/
void setColonOn(bool setToOn);
/* Get the currrent colon setting
*/
bool getColonOn(void);
/* Sets the delay for scrolling text
* When printing more than four characters/ the display will scroll, this setting determines the scrolling speed in ms
@param [in] printDelay the print delay in ms
*/
void setPrintDelay(uint16_t printDelay);
// helpers //////////////////////////////////////////////////////////////////
/* Encodes a character to sevensegment binairy
*
@param [in] c a character to encode
*/
uint8_t encode(char c);
/* Encodes a single digit to sevensegment binairy
*
@param [in] d a digit to encode
*/
uint8_t encode(int16_t d);
/* Encodes a null terminated c string (char array) to sevensegment binairy
*
@param [out] buffer holds the encodes char array
@param [in] str the c string to encode
@param [in] bufferSize the size/length of the buffer
*/
size_t encode(uint8_t* buffer, const char* str, size_t bufferSize);
/* Encodes a byte array to sevensegment binairy
*
@param [out] buffer holds the encodes char array
@param [in] byteArr the byte array to encode
@param [in] bufferSize the size/length of the buffer
*/
size_t encode(uint8_t* buffer, const uint8_t* byteArr, size_t arrSize);
/* Shift an array one position to the left
@param [out] buffer the buffer to be shifted
@param [in] length the length to the buffer
*/
void shiftLeft(uint8_t* buffer, size_t length);
// SevenSegmentTM1637 low level methods (use when you know what you're doing)
/* Prints raw (encoded) bytes to the display
* A
* ___
* * F | | B
* X -G-
* * E | | C
* ___
* D
* Bit: 76543210
* Segment: XGFEDCBA
*
* For example to print an H, you would set bits BCEFG, this gives B01110110 in binary or 118 in decimal or 0x76 in HEX.
* Bit 7 (X) only applies to the second digit and sets the colon
*/
/* Print raw (binary encodes) bytes to the display
@param [in] rawBytes Array of raw bytes
@param [in] length optional: length to print to display
@param [in] position optional: Start position
*/
void printRaw(const uint8_t* rawBytes, size_t length = 4, uint8_t position = 0);
/* Print raw (binary encodes) bytes to the display
@param [in] rawByte Raw byte
@param [in] position optional: Start position
*/
void printRaw(uint8_t rawByte, uint8_t position);
/* Write command to IC TM1637
@param [in] cmd command to send
@return acknowledged? command was (successful) acknowledged
*/
bool command(uint8_t cmd) const;
bool command(const uint8_t* command, uint8_t length) const;
/* Read bytes from IC TM1637
* The IC also can read the state of a keypad? TODO untested
*/
uint8_t comReadByte(void) const;
/* Write a single command to the display
@param [in] cmd command to send
*/
void comWriteByte(uint8_t command) const;
/* Send start signal
* Send the start signal for serial communication
*/
void comStart(void) const;
/* Send stop signal
* Send the stop signal for serial communication
*/
void comStop(void) const;
/* Get command acknowledged
* Get acknowledge signal (command was succesful received)
*/
bool comAck(void) const;
/* Static version of low level function
* If using more than one display, this saves some space since these methods will be shared among all instances/objects of the class
*/
static bool command(uint8_t pinClk, uint8_t pinDIO, uint8_t cmd);
static bool command(uint8_t pinClk, uint8_t pinDIO, const uint8_t* command, uint8_t length);
static void comStart(uint8_t pinClk, uint8_t pinDIO);
static void comWriteByte(uint8_t pinClk, uint8_t pinDIO, uint8_t command);
static bool comAck(uint8_t pinClk, uint8_t pinDIO);
static void comStop(uint8_t pinClk, uint8_t pinDIO);
protected:
const uint8_t _pinClk; // clock pin
const uint8_t _pinDIO; // digital out pin
uint8_t _numCols; // number of columns
uint8_t _numRows; // number of rows
uint8_t _backLightValue; // brightness of the display (0..100)
uint8_t _cursorPos; // current cursor position
uint16_t _printDelay; // print delay in ms (multiple chars)
uint8_t _colonOn; // colon bit if set
uint8_t _rawBuffer[TM1637_MAX_COLOM];// hold the last chars printed to display
};
#define TM1637_COLON_BIT B10000000
// debug macros for debugging
#if TM1637_DEBUG
#define TM1637_DEBUG_BEGIN(x) Serial.begin(x)
#define TM1637_DEBUG_PRINT(...) Serial.print(__VA_ARGS__)
#define TM1637_DEBUG_PRINTLN(...) Serial.println(__VA_ARGS__)
#define TM1637_DEBUG_WRITE(x) Serial.write(x)
#define TM1637_DEBUG_MESSAGE(...) \
Serial.print(millis()); \
Serial.print(F("\t")); \
Serial.print(__VA_ARGS__);
#define TM1637_DEBUG_MESSAGELN(...) \
TM1637_DEBUG_MESSAGE(__VA_ARGS__) \
Serial.println();
#else
#define TM1637_DEBUG_BEGIN(x)
#define TM1637_DEBUG_PRINT(...)
#define TM1637_DEBUG_PRINTLN(...)
#define TM1637_DEBUG_WRITE(x)
#define TM1637_DEBUG_MESSAGE(x)
#define TM1637_DEBUG_MESSAGELN(x)
#endif
// arduino:standard variant direct port access macros for more speed ( communication is ~us)
#if defined(__AVR_ATmega8__) || defined(__AVR_ATmega8A__) || defined(__AVR_ATmega168__) || defined(__AVR_ATmega168A__) || defined(__AVR_ATmega168P__) || defined(__AVR_ATmega168PA__) || defined(__AVR_ATmega328__) || defined(__AVR_ATmega328P__)
#define portOfPin(P) \
( ((P) >= 0 && (P) < 8)? &PORTD:( ((P) > 7 && (P) < 14) ? &PORTB: &PORTC ) )
#define ddrOfPin(P) \
( ((P) >= 0 && (P) < 8)? &DDRD: ( ((P) > 7 && (P) < 14) ? &DDRB: &DDRC ) )
#define pinOfPin(P) \
( ((P) >= 0 && (P) < 8)? &PIND: ( ((P) > 7 && (P) < 14) ? &PINB: &PINC ) )
#define pinIndex(P) ( (uint8_t)( P > 13 ? P-14: P&7 ) )
#define pinMask(P) ( (uint8_t)( 1 << pinIndex(P) ) )
#define pinAsInput(P) *(ddrOfPin(P) ) &= ~pinMask(P)
#define pinAsInputPullUp(P) *(ddrOfPin(P) ) &= ~pinMask(P);digitalHigh(P)
#define pinAsOutput(P) *(ddrOfPin(P) ) |= pinMask(P)
#define digitalLow(P) *(portOfPin(P)) &= ~pinMask(P)
#define digitalHigh(P) *(portOfPin(P)) |= pinMask(P)
#define isHigh(P) ( ( *( pinOfPin(P) ) & pinMask(P) ) > 0 )
#define isLow(P) ( ( *( pinOfPin(P) ) & pinMask(P) ) == 0 )
#define digitalState(P) ((uint8_t)isHigh(P))
#else
#define pinAsOutput(P) pinMode(P, OUTPUT)
#define pinAsInput(P) pinMode(P, INPUT)
#define pinAsInputPullUp(P) pinMode(P, INPUT_PULLUP)
#define digitalLow(P) digitalWrite(P, LOW)
#define digitalHigh(P) digitalWrite(P, HIGH)
#define isHigh(P) (digitalRead(P) == 1)
#define isLow(P) (digitalRead(P) == 0)
#define digitalState(P) digitalRead(P)
#endif
#endif

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lib/lib_display/arduino-tm1637/examples/Basic/Basic.ino Executable file
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/*
Basic usage example
Demonstrated some of the basic functionality of the library. Initialize the display,
set the backlight brightness, print some text, count from 0 to 100 and
print and blink some text.
Note: make sure to set your serial monitor to line end: NEW LINE!
The circuit:
* connect TM1637 pin CLK to Arduino pin D4
* connect TM1637 pin DIO to Arduino pin D5
* connect TM1637 pin Vcc to Arduino pin 5V
* connect TM1637 pin GND to Arduino pin GND
Created 25 September 2015
By Bram Harmsen
https://github.com/bremme/arduino-tm1637
*/
// include the SevenSegmentTM1637 library
#include "SevenSegmentTM1637.h"
/* initialize global TM1637 Display object
* The constructor takes two arguments, the number of the clock pin and the digital output pin:
* SevenSegmentTM1637(byte pinCLK, byte pinDIO);
*/
const byte PIN_CLK = 4; // define CLK pin (any digital pin)
const byte PIN_DIO = 5; // define DIO pin (any digital pin)
SevenSegmentTM1637 display(PIN_CLK, PIN_DIO);
// run setup code
void setup() {
Serial.begin(9600); // initializes the Serial connection @ 9600 baud
display.begin(); // initializes the display
display.setBacklight(100); // set the brightness to 100 %
display.print("INIT"); // display INIT on the display
delay(1000); // wait 1000 ms
};
// run loop (forever)
void loop() {
display.print("LOOP"); // display LOOP on the display
delay(1000); // wait 1000 ms
display.print("COUNTING SOME DIGITS");// print COUNTING SOME DIGITS
display.clear(); // clear the display
for (uint8_t i=0; i < 100; i++) { // loop from 0 to 100
display.print(i); // display loop counter
delay(100); // wait 100 ms
};
display.clear(); // clear the display
display.print("SUCC"); // print SUCC for success
display.blink(); // blink SUCC
delay(1000); // wait 1000 ms
};

53
lib/lib_display/arduino-tm1637/examples/ExtClock/ExtClock.ino Executable file
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/*
Clock example example (Extended class example)
Display a clock on the display. For this demo you can add a speed multiplier to make the clock run faster. For a real clock you want to use a delay of 1 min or even use a Real Time Clock module (RTC)
The circuit:
* connect TM1637 pin CLK to Arduino pin D4
* connect TM1637 pin DIO to Arduino pin D5
* connect TM1637 pin Vcc to Arduino pin 5V
* connect TM1637 pin GND to Arduino pin GND
Created 25 September 2015
By Bram Harmsen
https://github.com/bremme/arduino-tm1637
*/
// include the SevenSegmentTM1637 library
#include "SevenSegmentTM1637.h"
#include "SevenSegmentExtended.h"
/* initialize global TM1637 Display object
* The constructor takes two arguments, the number of the clock pin and the digital output pin:
* SevenSegmentTM1637(byte pinCLK, byte pinDIO);
*/
const byte PIN_CLK = 4; // define CLK pin (any digital pin)
const byte PIN_DIO = 5; // define DIO pin (any digital pin)
SevenSegmentExtended display(PIN_CLK, PIN_DIO);
const unsigned int clockSpeed = 10000; // speed up clock for demo
// run setup code
void setup() {
Serial.begin(9600); // initializes the Serial connection @ 9600 baud
display.begin(); // initializes the display
display.setBacklight(100); // set the brightness to 100 %
delay(1000); // wait 1000 ms
};
// run loop (forever)
void loop() {
byte hours = 14; // initialize hours
byte minutes = 39; // initialize minutes
for ( ; hours < 24; hours++) { // count hours up to 24
for ( ; minutes < 60; minutes++) { // count minutes up to 59
display.printTime(hours, minutes, true); // display time
delay(60000 / clockSpeed); // clock delay ms
};
minutes = 0; // reset minutes
};
};

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lib/lib_display/arduino-tm1637/examples/ExtScoreboard/ExtScoreboard.ino Executable file
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/*
Dual counter example (Extended class example)
You could do many things with a dual counter. This example demoonstrates a scoreboard. Two players rol a dice every round, the player with the highest score wins the round. The number of rounds won are displayed on the scoreboard. Once one of the players reaches a maximum score the game is over. At the end of the game a player won message or draw will be displayed.
The circuit:
* connect TM1637 pin CLK to Arduino pin D4
* connect TM1637 pin DIO to Arduino pin D5
* connect TM1637 pin Vcc to Arduino pin 5V
* connect TM1637 pin GND to Arduino pin GND
Created 25 September 2015
By Bram Harmsen
https://github.com/bremme/arduino-tm1637
*/
// include the SevenSegmentTM1637 library
#include "SevenSegmentTM1637.h"
#include "SevenSegmentExtended.h"
/* initialize global TM1637 Display object
* The constructor takes two arguments, the number of the clock pin and the digital output pin:
* SevenSegmentTM1637(byte pinCLK, byte pinDIO);
*/
const byte PIN_CLK = 4; // define CLK pin (any digital pin)
const byte PIN_DIO = 5; // define DIO pin (any digital pin)
SevenSegmentExtended display(PIN_CLK, PIN_DIO);
// sets the maximum score for the game
const byte maxScore = 10;
// run setup code
void setup() {
Serial.begin(9600); // initializes the Serial connection @ 9600 baud
display.begin(); // initializes the display
display.setBacklight(100); // set the brightness to 100 %
delay(1000); // wait 1000 ms
randomSeed(analogRead(0)); // get a random seed for throwing dices
};
// run loop (forever)
void loop() {
byte playerOneScore = 0; // initialize player one score
byte playerTwoScore = 0; // initialize player two score
bool gameEnd = false; // initialize gameEnd?
display.print("START NEW GAME "); // Start a new round
delay(500); // delay 1000 ms
display.clear(); // clear the display
while( !gameEnd ) { // play till the end of the game
byte playerOneTurn = rollDice(); // player one rolls a dice
byte playerTwoTurn = rollDice(); // player two rolls a dice
if ( playerOneTurn > playerTwoTurn ) { // player one had a higher dice
playerOneScore++; // increase player one's score
} else if ( playerOneTurn < playerTwoTurn ){
playerTwoScore++; // increase player two's score
} else { // player one and two had same score
display.clear();
display.print("SAME");
display.blink();
display.clear();
}
// update scoreboard
display.printDualCounter(playerOneScore, playerTwoScore);
delay(500);
// check if game has ended (player one or two's score >= maxScore)
if ( (playerOneScore >= maxScore || playerTwoScore >= maxScore) ) {
gameEnd = true; // game has ended
printGameEnd(); // print end game message
break; // break from while loop (jump out)
};
};
// check who won
if ( playerOneScore > playerTwoScore ) {
printPlayerWon(1); // player one won
} else if ( playerOneScore < playerTwoScore ){
printPlayerWon(2); // player two won
} else {
display.clear(); display.print("DRAW"); // draw
display.blink(); display.clear();
};
};
// roll a dice: random rumber fom 0 to 5 + 1 = 0 to 6
byte rollDice() {
return (random(6) + 1);
}
// print winning player message
void printPlayerWon(byte player) {
display.clear();
char winText[] = "PLAYER x WON ";
winText[7] = (char)player + '0';
display.print(winText);
delay(500);
display.clear();
};
// print end game message
void printGameEnd(void) {
display.clear();
display.print("GAME END ");
display.blink();
delay(500);
};

139
lib/lib_display/arduino-tm1637/examples/FunPrintAll/FunPrintAll.ino Executable file
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/*
Fun Print all example
This is a demonstration off a lot of the possibilities of the Fun superclass
The circuit:
* connect TM1637 pin CLK to Arduino pin D4
* connect TM1637 pin DIO to Arduino pin D5
* connect TM1637 pin Vcc to Arduino pin 5V
* connect TM1637 pin GND to Arduino pin GND
Created 25 September 2015
By Bram Harmsen
https://github.com/bremme/arduino-tm1637
*/
// include the SevenSegmentTM1637 library
#include "SevenSegmentTM1637.h"
#include "SevenSegmentExtended.h"
#include "SevenSegmentFun.h"
/* initialize global TM1637 Display object
* The constructor takes two arguments, the number of the clock pin and the digital output pin:
* SevenSegmentTM1637(byte pinCLK, byte pinDIO);
*/
const byte PIN_CLK = 4; // define CLK pin (any digital pin)
const byte PIN_DIO = 5; // define DIO pin (any digital pin)
SevenSegmentFun display(PIN_CLK, PIN_DIO);
// run setup code
void setup() {
Serial.begin(9600); // initializes the Serial connection @ 9600 baud
display.begin(); // initializes the display
display.setBacklight(100); // set the brightness to 100 %
delay(1000); // wait 1000 ms
};
// run loop (forever)
void loop() {
// vertical level (e.g. audio volume)
introDuceNextDemo("AUDIO VOLUME DEMO");
audioVolume();
// bouncing ball
introDuceNextDemo("BOUNCING BALL DEMO");
unsigned int numMoves = 100; unsigned int timeDelay = 100;
display.bouncingBall(numMoves, timeDelay);
// scrolling text
introDuceNextDemo("SCROLLING TEXT DEMO");
byte repeats = 2;
display.scrollingText("ARDUINO TM1637 FUN", repeats);
// nightrider
introDuceNextDemo("REMEMBER KIT? NIGHTRIDER DEMO");
repeats = 4;
display.nightrider(repeats);
// snake
introDuceNextDemo("SNAKE DEMO");
display.snake(repeats);
// horizontal level (e.g equalizer)
introDuceNextDemo("EQUALIZER DEMO");
equalizer();
// bomb timer
introDuceNextDemo("GET READY FOR THE BOMB");
byte hours = 5; byte min = 16; unsigned int speed = 10000;
display.bombTimer(hours, min, speed, " RUN ");
delay(1000);;
};
// Demo for displaying a vertical level, for example audio volume, battery charge etc.
void audioVolume() {
for (byte repeats=0; repeats < 2; repeats++) {
for (byte level=0; level < 125; level+=25) {
display.printLevelVertical(level);
delay(200);
};
for (byte level=100; level != 0; level-=25) {
display.printLevelVertical(level);
delay(200);
};
}
// maybe try another symbol instead of default | |
byte symbol = display.encode((byte)0);
bool leftToRight = false; // print the other direction
for (byte repeats=0; repeats < 2; repeats++) {
for (byte level=0; level < 125; level+=25) {
display.printLevelVertical(level, leftToRight, symbol);
delay(200);
if ( level == 100 ) {
display.blink();
}
};
for (byte level=100; level != 0; level-=25) {
display.printLevelVertical(level, leftToRight, symbol);
delay(200);
};
}
// 0, 25, 50, 75, 100
}
void equalizer() {
// initialize horizontal level counters
char i,j,k,l;
byte levels[4];
// repeat 5 times
for ( byte r=0; r < 4; r++) {
// increae i and k, decrease j and l
for (i=0,j=100,k=0,l=100; i <= 100; i+=33, j-=33, k+=33, l-=33) {
levels[0] = i; levels[1] = j; levels[2] = k; levels[3] = l;
display.printLevelHorizontal(levels);
delay(100);
}
// increae j and l, decrease i and k
for (i=100,j=0,k=100,l=0; i >= 0; i-=33, j+=33, k-=33, l+=33) {
levels[0] = i; levels[1] = j; levels[2] = k; levels[3] = l;
display.printLevelHorizontal(levels);
delay(100);
}
}
}
void introDuceNextDemo(char* str) {
display.print(str);
delay(500);
}

52
lib/lib_display/arduino-tm1637/examples/FunPrintLevel/FunPrintLevel.ino Executable file
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#include "SevenSegmentTM1637.h"
#include "SevenSegmentExtended.h"
#include "SevenSegmentFun.h"
// define clock and digital input pins
#define PIN_CLK 4
#define PIN_DIO 5
// initialize TM1637 Display objects
SevenSegmentFun display(PIN_CLK, PIN_DIO);
void setup() {
// initialize the display
display.begin();
}
void loop() {
// increase level from 0 to 100
for (uint8_t i=0; i <= 100; i+=25) {
display.printLevelVertical(i);
delay(100);
};
// decrease level from 100 to 0
for (int8_t i=100; i >=0; i-=25) {
display.printLevelVertical(i);
delay(100);
}
// initialize horizontal level counters
int8_t i,j,k,l;
uint8_t levels[4];
// repeat 5 times
for ( uint8_t r=0; r < 4; r++) {
// increae i and k, decrease j and l
for (i=0,j=100,k=0,l=100; i <= 100; i+=33, j-=33, k+=33, l-=33) {
levels[0] = i; levels[1] = j; levels[2] = k; levels[3] = l;
display.printLevelHorizontal(levels);
delay(100);
}
// increae j and l, decrease i and k
for (i=100,j=0,k=100,l=0; i >= 0; i-=33, j+=33, k-=33, l+=33) {
levels[0] = i; levels[1] = j; levels[2] = k; levels[3] = l;
display.printLevelHorizontal(levels);
delay(100);
}
}
}

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lib/lib_display/arduino-tm1637/examples/LowLevel/LowLevel.ino Executable file
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/*
Low level (advanced) example
In this example the display is controlled by the low level command function.
See SevenSegmentTM1637.h for more details on how the protocol actually works and which commands it accepts.
The circuit:
* connect TM1637 pin CLK to Arduino pin D4
* connect TM1637 pin DIO to Arduino pin D5
* connect TM1637 pin Vcc to Arduino pin 5V
* connect TM1637 pin GND to Arduino pin GND
Created 25 September 2015
By Bram Harmsen
https://github.com/bremme/arduino-tm1637
*/
// include the SevenSegmentTM1637 library
#include "SevenSegmentTM1637.h"
/* initialize global TM1637 Display object
* The constructor takes two arguments, the number of the clock pin and the digital output pin:
* SevenSegmentTM1637(byte pinCLK, byte pinDIO);
*/
const byte PIN_CLK = 4; // define CLK pin (any digital pin)
const byte PIN_DIO = 5; // define DIO pin (any digital pin)
SevenSegmentTM1637 display(PIN_CLK, PIN_DIO);
// run setup code
void setup() {
Serial.begin(9600); // initializes the Serial connection @ 9600 baud
};
void loop() {
// set brightness
uint8_t setDisplayCmd = B10000000; // bit 6,7
uint8_t brightnessBits = B111; // bit 0,1,2 (7 = max)
uint8_t displayOnBit = B1000; // bit 3
// construct complete command
uint8_t command = setDisplayCmd | brightnessBits | displayOnBit;
// turn display on and set brightness to max (7)
bool ack = display.command(command);
// print acknowledged?
Serial.println(ack);
// write init to display using automatic address
uint8_t setDataCmd = B01000000; // bit 6,7
ack = display.command(setDataCmd);
Serial.println(ack);
uint8_t setAddrCmd = B11000000; // bit 6,7 set addr to 0
uint8_t dataI = B00000110; // I
uint8_t dataN = B00110111; // N
uint8_t dataT = B01111000; // T
uint8_t commands[5];
commands[0] = setAddrCmd;
commands[1] = dataI;
commands[2] = dataN;
commands[3] = dataI;
commands[4] = dataT;
ack = display.command(commands, 5);
Serial.println(ack);
delay(1000);
// dim display
brightnessBits = B001; // bit 0,1,2 level=1;
command = setDisplayCmd | brightnessBits | displayOnBit;
display.command(command);
delay(1000);
// set back to full brightness
brightnessBits = B111; // bit 0,1,2 (7 = max)
command = setDisplayCmd | brightnessBits | displayOnBit;
display.command(command);
delay(1000);
// write characters to display in non auto mode
setDataCmd |= 1 << 2; // bit 2 control auto/manual address
ack = display.command(setDataCmd);
Serial.println(ack);
commands[1] = B01110111;
commands[2] = B01111111;
commands[3] = B00111001;
commands[4] = B01011110;
for (uint8_t i = 1; i < 5; i++) {
commands[1] = commands[i]; // set character
display.command(commands, 2); // write character to display
commands[0]++; // increase address
}
delay(1000);
// set back to auto address mode
setDataCmd &= ~(1 << 2); // bit 2 control auto/manual address
ack = display.command(setDataCmd);
Serial.println(ack);
// clear display
commands[0] = setAddrCmd;
commands[1] = 0; commands[2] = 0;commands[3] = 0; commands[4] = 0;
// clear display
display.command(commands, 5);
delay(1000);
}

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lib/lib_display/arduino-tm1637/examples/PrintNumber/PrintNumber.ino Executable file
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/*
Printing numbers example
Demonstrate a couple different ways nubers can be printed: positive, negative,
with padding and with rollover.
The circuit:
* connect TM1637 pin CLK to Arduino pin D4
* connect TM1637 pin DIO to Arduino pin D5
* connect TM1637 pin Vcc to Arduino pin 5V
* connect TM1637 pin GND to Arduino pin GND
Created 22 June 2020
By Bram Harmsen
https://github.com/bremme/arduino-tm1637
*/
// include the SevenSegmentTM1637 library
#include "SevenSegmentTM1637.h"
#include "SevenSegmentExtended.h"
/* initialize global TM1637 Display object
* The constructor takes two arguments, the number of the clock pin and the digital output pin:
* SevenSegmentTM1637(byte pinCLK, byte pinDIO);
*/
const byte PIN_CLK = 4; // define CLK pin (any digital pin)
const byte PIN_DIO = 5; // define DIO pin (any digital pin)
SevenSegmentExtended display(PIN_CLK, PIN_DIO);
// run setup code
void setup() {
Serial.begin(9600); // initializes the Serial connection @ 9600 baud
display.begin(); // initializes the display
display.setBacklight(100); // set the brightness to 100 %
display.print("INIT"); // display INIT on the display
delay(1000); // wait 1000 ms
};
// run loop (forever)
void loop() {
// print positive numbers
display.print("PRINT POSITIVE NUMBERS");
delay(1000); // wait 1000 ms
for (int16_t number=0; number < 2000; number++) {
display.printNumber(number);
delay(1);
};
// print negative numbers
display.print("PRINT NEGATIVE NUMBERS");
delay(1000); // wait 1000 ms
for (int16_t number=0; number > -999; number--) {
display.printNumber(number);
delay(2);
};
// print with positive with zero padding
display.print("PRINT POSITIVE NUMBERS WITH PADDING");
delay(1000); // wait 1000 ms
for (int16_t number=0; number < 2000; number++) {
display.printNumber(number, true);
delay(1);
};
// print with rollover (e.g. 10000 -> 0, 10001 -> 1)
display.print("PRINT POSITIVE NUMBERS WITH ROLLOVER");
delay(1000); // wait 1000 ms
for (int16_t number=0; number < 20000; number+=250) {
display.printNumber(number, false, true);
delay(50);
};
};

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lib/lib_display/arduino-tm1637/examples/SerialPrint/SerialPrint.ino Executable file
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/*
Serial Print example
Prints text typed to the Serial Monitor on the display. Connect an Arduino to a TM1637 4 digit 7-segment display. Connect the wires as descibed below. Run the sketch and open the Serial Monitor. Set the the speed to 9600 baud, set the line ending to Newline. Now type some text and press enter, the text will be displayed on the 7-segment display.
Note: make sure to set your serial monitor to line end: NEW LINE!
The circuit:
* connect TM1637 pin CLK to Arduino pin D4
* connect TM1637 pin DIO to Arduino pin D5
* connect TM1637 pin Vcc to Arduino pin 5V
* connect TM1637 pin GND to Arduino pin GND
Created 25 September 2015
By Bram Harmsen
http://url/of/online/tutorial.cc
*/
// include the SevenSegmentTM1637 library
#include "SevenSegmentTM1637.h"
/* initialize global TM1637 Display object
* The constructor takes two arguments, the number of the clock pin and the digital output pin:
* SevenSegmentTM1637(byte pinCLK, byte pinDIO);
*/
const byte PIN_CLK = 4; // define CLK pin (any digital pin)
const byte PIN_DIO = 5; // define DIO pin (any digital pin)
SevenSegmentTM1637 display(PIN_CLK, PIN_DIO);
// define a fixed buffer size for receiving characters via Serial
const byte BUFFER_SIZE = 128;
char serialBuffer[BUFFER_SIZE]; // initialize global serial buffer
// run setup code
void setup() {
display.begin(); // initializes the display
Serial.begin(9600); // initializes the Serial connection @ 9600 baud
Serial.println(F("Enter some text followed by ENTER"));
Serial.println(F("also make sure to set the line ending to Newline (\\n)"));
};
// run loop (forever)
void loop() {
// if received new serial data, print to display
if ( receivedSerialString() ) {
display.print(serialBuffer); // Print received serial data to display
Serial.print(F("Echo:\t")); // Echo serial data back to Serial Monitor
Serial.println(serialBuffer);
};
};
// Read in bytes from Serial Monitor and return true is ether the serialBuffer is full or a Newline character is received
bool receivedSerialString() {
static unsigned int i=0; // init static counter to keep track of count
while( Serial.available() ) { // check if new data arrived
if ( i == BUFFER_SIZE-1) { // if buffer is full RETURN true
serialBuffer[i] = '\0'; // add termination char
i = 0;
Serial.println(F("Buffer full!"));
return true;
};
char c = Serial.read(); // read new char from serial port
if ( c == '\n') { // if new line RETURN true
serialBuffer[i] = '\0'; // add termination char
i = 0;
return true;
} else {
serialBuffer[i] = c; // add received character to buffer
}
i++; // increase counter
};
return false; // default RETURN false
};

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lib/lib_display/arduino-tm1637/extras/img/TM1638-8-digit-dot-8-led-8key-large.jpg Executable file
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56
lib/lib_display/arduino-tm1637/keywords.txt Normal file
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@ -0,0 +1,56 @@
#######################################
# Syntax Coloring Map For SevenSegmentTM1637
#######################################
#######################################
# Datatypes (KEYWORD1)
#######################################
SevenSegmentTM1637 KEYWORD1
SevenSegmentExtended KEYWORD1
SevenSegmentFun KEYWORD1
#######################################
# Methods and Functions (KEYWORD2)
#######################################
init KEYWORD2
begin KEYWORD2
write KEYWORD2
clear KEYWORD2
home KEYWORD2
setCursor KEYWORD2
setBacklight KEYWORD2
setContrast KEYWORD2
on KEYWORD2
off KEYWORD2
blink KEYWORD2
setColonOn KEYWORD2
getColonOn KEYWORD2
setPrintDelay KEYWORD2
encode KEYWORD2
shiftLeft KEYWORD2
printRaw KEYWORD2
command KEYWORD2
comReadByte KEYWORD2
comWriteByte KEYWORD2
comStart KEYWORD2
comStop KEYWORD2
comAck KEYWORD2
printTime KEYWORD2
printNumber KEYWORD2
printDualCounter KEYWORD2
printLevelVertical KEYWORD2
printLevelHorizontal KEYWORD2
scrollingText KEYWORD2
snake KEYWORD2
nightrider KEYWORD2
bombTimer KEYWORD2
bouchingBall KEYWORD2
printBall KEYWORD2
print4Bit KEYWORD2
#######################################
# Constants (LITERAL1)
#######################################

9
lib/lib_display/arduino-tm1637/library.properties Normal file
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@ -0,0 +1,9 @@
name=SevenSegmentTM1637
version=1.1.0
author=Bram Harmsen <bramharmsen@gmail.com>
maintainer=Bram Harmsen <bramharmsen@gmail.com>
sentence=Library for using a 4 digit seven segment display with TM1636 or TM1637 driver IC
paragraph=Extensive library for controlling a 4 digit seven segment display. This library inherent the Print class and uses the LCDAPI 1.0. For example you can use all normal Print methods like: print() and println(). From the LCDAPI among others begin(), clear(), home(), setCursor() and setBacklight() are implementend. On top of these regular functionality a segerate fun class which adds more features can be used. For example a bombtimer(), nightrider() and bouncingBall() method can be used when using the fun class.
category=Display
url=https://github.com/bremme/arduino-tm1637
architectures=*

1
tasmota/my_user_config.h
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@ -635,6 +635,7 @@
// #define USE_DISPLAY_RA8876 // [DisplayModel 10] [I2cDriver39] (Touch)
// #define USE_DISPLAY_ST7789 // [DisplayModel 12] Enable ST7789 module
// #define USE_DISPLAY_SSD1331 // [DisplayModel 14] Enable SSD1331 module
// #define USE_DISPLAY_TM1637 // [DisplayModel 15] Enable TM1637 module
// #define USE_RC522 // Add support for MFRC522 13.56Mhz Rfid reader (+6k code)
// #define USE_RC522_DATA_FUNCTION // Add support for reading data block content (+0k4 code)
// #define USE_RC522_TYPE_INFORMATION // Add support for showing card type (+0k4 code)

1
tasmota/tasmota_configurations.h
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@ -320,6 +320,7 @@
#define USE_DISPLAY_RA8876 // [DisplayModel 10]
#define USE_DISPLAY_ST7789 // [DisplayModel 12] Enable ST7789 module
#define USE_DISPLAY_SSD1331 // [DisplayModel 14] Enable SSD1331 module
#define USE_DISPLAY_TM1637 // [DisplayModel 15] Enable TM1637 module
#undef DEBUG_THEO // Disable debug code
#undef USE_DEBUG_DRIVER // Disable debug code

187
tasmota/xdrv_13_display.ino
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@ -65,6 +65,25 @@ const uint8_t DISPLAY_LOG_ROWS = 32; // Number of lines in display log
#define D_CMND_DISP_HEIGHT "Height"
#define D_CMND_DISP_BLINKRATE "Blinkrate"
#define D_CMND_DISP_BATCH "Batch"
#define D_CMND_DISP_CLEAR "Clear"
#define D_CMND_DISP_NUMBER "Number"
#define D_CMND_DISP_FLOAT "Float"
#define D_CMND_DISP_NUMBERNC "NumberNC" // NC - "No Clear"
#define D_CMND_DISP_FLOATNC "FloatNC" // NC - "No Clear"
#define D_CMND_DISP_BRIGHTNESS "Brightness"
#define D_CMND_DISP_RAW "Raw"
#define D_CMND_DISP_LEVEL "Level"
#define D_CMND_DISP_SEVENSEG_TEXT "SevensegText"
#define D_CMND_DISP_SEVENSEG_TEXTNC "SevensegTextNC" // NC - "No Clear"
#define D_CMND_DISP_SCROLLDELAY "ScrollDelay"
#define D_CMND_DISP_CLOCK "Clock"
#define D_CMND_DISP_TEXTNC "TextNC" // NC - "No Clear"
#define D_CMND_DISP_SETLEDS "SetLEDs"
#define D_CMND_DISP_SETLED "SetLED"
#define D_CMND_DISP_BUTTONS "Buttons"
#define D_CMND_DISP_SCROLLTEXT "ScrollText"
enum XdspFunctions { FUNC_DISPLAY_INIT_DRIVER, FUNC_DISPLAY_INIT, FUNC_DISPLAY_EVERY_50_MSECOND, FUNC_DISPLAY_EVERY_SECOND,
FUNC_DISPLAY_MODEL, FUNC_DISPLAY_MODE, FUNC_DISPLAY_POWER,
@ -77,6 +96,10 @@ enum XdspFunctions { FUNC_DISPLAY_INIT_DRIVER, FUNC_DISPLAY_INIT, FUNC_DISPLAY_E
#ifdef USE_UFILESYS
,FUNC_DISPLAY_BATCH
#endif
, FUNC_DISPLAY_NUMBER, FUNC_DISPLAY_FLOAT, FUNC_DISPLAY_NUMBERNC, FUNC_DISPLAY_FLOATNC,
FUNC_DISPLAY_BRIGHTNESS, FUNC_DISPLAY_RAW, FUNC_DISPLAY_LEVEL, FUNC_DISPLAY_SEVENSEG_TEXT, FUNC_DISPLAY_SEVENSEG_TEXTNC,
FUNC_DISPLAY_SCROLLDELAY, FUNC_DISPLAY_CLOCK, FUNC_DISPLAY_SETLEDS, FUNC_DISPLAY_SETLED,
FUNC_DISPLAY_BUTTONS, FUNC_DISPLAY_SCROLLTEXT
};
enum DisplayInitModes { DISPLAY_INIT_MODE, DISPLAY_INIT_PARTIAL, DISPLAY_INIT_FULL };
@ -88,6 +111,10 @@ const char kDisplayCommands[] PROGMEM = D_PRFX_DISPLAY "|" // Prefix
#ifdef USE_UFILESYS
"|" D_CMND_DISP_BATCH
#endif
"|" D_CMND_DISP_CLEAR "|" D_CMND_DISP_NUMBER "|" D_CMND_DISP_FLOAT "|" D_CMND_DISP_NUMBERNC "|" D_CMND_DISP_FLOATNC "|"
D_CMND_DISP_BRIGHTNESS "|" D_CMND_DISP_RAW "|" D_CMND_DISP_LEVEL "|" D_CMND_DISP_SEVENSEG_TEXT "|" D_CMND_DISP_SEVENSEG_TEXTNC "|"
D_CMND_DISP_SCROLLDELAY "|" D_CMND_DISP_CLOCK "|" D_CMND_DISP_TEXTNC "|" D_CMND_DISP_SETLEDS "|" D_CMND_DISP_SETLED "|"
D_CMND_DISP_BUTTONS "|" D_CMND_DISP_SCROLLTEXT
;
void (* const DisplayCommand[])(void) PROGMEM = {
@ -97,6 +124,10 @@ void (* const DisplayCommand[])(void) PROGMEM = {
#ifdef USE_UFILESYS
,&CmndDisplayBatch
#endif
, &CmndDisplayClear, &CmndDisplayNumber, &CmndDisplayFloat, &CmndDisplayNumberNC, &CmndDisplayFloatNC,
&CmndDisplayBrightness, &CmndDisplayRaw, &CmndDisplayLevel, &CmndDisplaySevensegText, &CmndDisplaySevensegTextNC,
&CmndDisplayScrollDelay, &CmndDisplayClock, &CmndDisplayTextNC, &CmndDisplaySetLEDs, &CmndDisplaySetLED,
&CmndDisplayButtons, &CmndDisplayScrollText
};
char *dsp_str;
@ -1658,6 +1689,7 @@ void CmndDisplayBlinkrate(void)
ResponseCmndNumber(XdrvMailbox.payload);
}
#ifdef USE_UFILESYS
void CmndDisplayBatch(void) {
if (XdrvMailbox.data_len > 0) {
@ -1669,9 +1701,160 @@ void CmndDisplayBatch(void) {
}
#endif
void CmndDisplayClear(void)
{
if (!renderer)
XdspCall(FUNC_DISPLAY_CLEAR);
ResponseCmndChar(XdrvMailbox.data);
}
void CmndDisplayNumber(void)
{
if (!renderer) {
XdspCall(FUNC_DISPLAY_NUMBER);
}
ResponseCmndChar(XdrvMailbox.data);
}
void CmndDisplayFloat(void)
{
if (!renderer) {
XdspCall(FUNC_DISPLAY_FLOAT);
}
ResponseCmndChar(XdrvMailbox.data);
}
void CmndDisplayNumberNC(void)
{
if (!renderer) {
XdspCall(FUNC_DISPLAY_NUMBERNC);
}
ResponseCmndChar(XdrvMailbox.data);
}
void CmndDisplayFloatNC(void)
{
if (!renderer) {
XdspCall(FUNC_DISPLAY_FLOATNC);
}
ResponseCmndChar(XdrvMailbox.data);
}
void CmndDisplayBrightness(void)
{
bool result = false;
if (!renderer) {
result = XdspCall(FUNC_DISPLAY_BRIGHTNESS);
}
if(result) ResponseCmndNumber(XdrvMailbox.payload);
else ResponseCmndChar(XdrvMailbox.data);
}
void CmndDisplayRaw(void)
{
if (!renderer) {
XdspCall(FUNC_DISPLAY_RAW);
}
ResponseCmndChar(XdrvMailbox.data);
}
void CmndDisplayLevel(void)
{
bool result = false;
if (!renderer) {
result = XdspCall(FUNC_DISPLAY_LEVEL);
}
if(result) ResponseCmndNumber(XdrvMailbox.payload);
else ResponseCmndChar(XdrvMailbox.data);
}
void CmndDisplaySevensegText(void)
{
if (!renderer) {
XdspCall(FUNC_DISPLAY_SEVENSEG_TEXT);
}
ResponseCmndChar(XdrvMailbox.data);
}
void CmndDisplayTextNC(void)
{
if (!renderer) {
XdspCall(FUNC_DISPLAY_SEVENSEG_TEXTNC);
}
ResponseCmndChar(XdrvMailbox.data);
}
void CmndDisplaySevensegTextNC(void)
{
if (!renderer) {
XdspCall(FUNC_DISPLAY_SEVENSEG_TEXTNC);
}
ResponseCmndChar(XdrvMailbox.data);
}
void CmndDisplayScrollDelay(void)
{
if (!renderer) {
XdspCall(FUNC_DISPLAY_SCROLLDELAY);
}
ResponseCmndNumber(XdrvMailbox.payload);
}
void CmndDisplayClock(void)
{
if (!renderer) {
XdspCall(FUNC_DISPLAY_CLOCK);
}
ResponseCmndNumber(XdrvMailbox.payload);
}
void CmndDisplaySetLEDs(void)
{
bool result = false;
if (!renderer) {
result = XdspCall(FUNC_DISPLAY_SETLEDS);
}
if(result) ResponseCmndNumber(XdrvMailbox.payload);
else ResponseCmndChar(XdrvMailbox.data);
}
void CmndDisplaySetLED(void)
{
if (!renderer) {
XdspCall(FUNC_DISPLAY_SETLED);
}
ResponseCmndChar(XdrvMailbox.data);
}
void CmndDisplayButtons(void)
{
if (!renderer) {
XdspCall(FUNC_DISPLAY_BUTTONS);
}
ResponseCmndNumber(XdrvMailbox.payload);
}
void CmndDisplayScrollText(void)
{
bool result = false;
if (!renderer) {
result = XdspCall(FUNC_DISPLAY_SCROLLTEXT);
}
if(result) ResponseCmndNumber(XdrvMailbox.payload);
else ResponseCmndChar(XdrvMailbox.data);
}
void CmndDisplaySize(void)
{
#ifdef USE_DISPLAY_TM1637
if ((XdrvMailbox.payload > 0) && (XdrvMailbox.payload <= 6)) {
#else
if ((XdrvMailbox.payload > 0) && (XdrvMailbox.payload <= 4)) {
#endif
Settings.display_size = XdrvMailbox.payload;
if (renderer) renderer->setTextSize(Settings.display_size);
//else DisplaySetSize(Settings.display_size);
@ -1720,7 +1903,9 @@ void CmndDisplayText(void)
#ifndef USE_DISPLAY_MODES1TO5
DisplayText();
#else
if (!Settings.display_mode) {
if(Settings.display_model == 15) {
XdspCall(FUNC_DISPLAY_SEVENSEG_TEXT);
} else if (!Settings.display_mode) {
DisplayText();
} else {
DisplayLogBufferAdd(XdrvMailbox.data);

783
tasmota/xdsp_15_tm1637.ino Normal file
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@ -0,0 +1,783 @@
/*
xdsp_15_tm1637.ino - Support for TM1637 seven-segment display (upto 6 digits) for Tasmota
Copyright (C) 2020 Ajith Vasudevan
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
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/>.
*/
/*
This driver enables the display of numbers (both integers and floats) and basic text
on the inexpensive TM1637-based seven-segment modules (tested on both 4- and 6-digit variants).
Raw segments can also be displayed.
In addition, it is also possible to set brightness (8 levels), clear the display, scroll text, display
a rudimentary bar graph, and a Clock (12 hr and 24 hr).
To use, compile Tasmota with USE_DISPLAY and USE_DISPLAY_TM1637, or build the tasmota-display env.
The pins to use are "SSPI MOSI" and "SSPI SCLK".
Connect the TM1637 display module's DIO and CLK pins to any free GPIOs of the ESP8266 module
and assign the pins as follows from Tasmota's GUI:
DIO hardware pin --> "SSPI MOSI"
CLK hardware pin --> "SSPI SCLK"
Once the device restarts the following "Display" commands become available:
DisplaySize size {1-6}
Sets the number of digits to use. This is typically set to the actual number of digits available
in the display module. command e.g., "DisplaySize 6"
DisplayClear
Clears the display, command: "DisplayClear"
DisplayNumber num [,position {0-(NUM_DIGITS-1))} [,leading_zeros {0|1} [,length {1 to NUM_DIGITS}]]]
Clears and then displays number without decimal. command e.g., "DisplayNumber 1234"
Control 'leading zeros', 'length' and 'position' with "DisplayNumber 1234, <position>, <leadingZeros>, <length>"
'leading zeros' can be 1 or 0 (default), 'length' can be 1 to NUM_DIGITS, 'position' can be 0 (left-most) to NUM_DIGITS (right-most).
See function description below for more details.
DisplayNumberNC num [,position {0-(NUM_DIGITS-1))} [,leading_zeros {0|1} [,length {1 to NUM_DIGITS}]]]
Display integer number as above, but without clearing first. e.g., "DisplayNumberNC 1234". Usage is same as above.
DisplayFloat num [,position {0-(NUM_DIGITS-1)} [,precision {0-NUM_DIGITS} [,length {1 to NUM_DIGITS}]]]
Clears and then displays float (with decimal point) command e.g., "DisplayFloat 12.34"
See function description below for more details.
DisplayFloatNC num [,position {0-(NUM_DIGITS-1)} [,precision {0-NUM_DIGITS} [,length {1 to NUM_DIGITS}]]]
Displays float (with decimal point) as above, but without clearing first. command e.g., "DisplayFloatNC 12.34"
See function description below for more details.
DisplayBrightness num {0-8}
Set brightness (0 (off) to 8) command e.g., "DisplayBrightness 2"
DisplayRaw position {0-(NUM_DIGITS-1)},length {1 to NUM_DIGITS}, num1 [, num2[, num3[, num4[, ...upto NUM_DIGITS numbers]]]]]
Takes upto NUM_DIGITS comma-separated integers (0-255) and displays raw segments. Each number represents a
7-segment digit. Each 8-bit number represents individual segments of a digit.
For example, the command "DisplayRaw 0, 4, 255, 255, 255, 255" would display "[8.8.8.8.]"
DisplayText text [, position {0-(NUM_DIGITS-1)} [,length {1 to NUM_DIGITS}]]
Clears and then displays basic text. command e.g., "DisplayText ajith vasudevan"
Control 'length' and 'position' with "DisplayText <text>, <position>, <length>"
'length' can be 1 to NUM_DIGITS, 'position' can be 0 (left-most) to NUM_DIGITS-1 (right-most)
A caret(^) symbol in the text input is dispayed as the degrees(°) symbol. This is useful for displaying Temperature!
For example, the command "DisplayText 22.5^" will display "22.5°".
DisplayTextNC text [, position {0-NUM_DIGITS-1} [,length {1 to NUM_DIGITS}]]
Clears first, then displays text. Usage is same as above.
DisplayScrollText text
Displays scrolling text.
DisplayScrollDelay delay {0-15} // default = 4
Sets the speed of text scroll. Smaller delay = faster scrolling.
DisplayLevel num {0-100}
Display a horizontal bar graph (0-100) command e.g., "DisplayLevel 50" will display [|||| ]
DisplayClock 1|2|0
Displays a clock.
Commands "DisplayClock 1" // 12 hr format
"DisplayClock 2" // 24 hr format
"DisplayClock 0" // turn off clock
*/
#ifdef USE_DISPLAY
#ifdef USE_DISPLAY_TM1637
/*********************************************************************************************\
* TM1637 support
\*********************************************************************************************/
#define XDSP_15 15
#include "SevenSegmentTM1637.h"
SevenSegmentTM1637 *display;
bool showClock = false;
bool clock24 = false;
char tm[5];
char msg[60];
uint32_t NUM_DIGITS = 4;
uint32_t prev_num_digits = 4;
bool scroll = false;
uint32_t scrolldelay = 4;
uint32_t scrollindex = 0;
uint32_t iteration = 0;
uint32_t brightness = 5;
#define BRIGHTNESS_MIN 0 // Display OFF
#define BRIGHTNESS_MAX 8
#define CMD_MAX_LEN 55
#define LEVEL_MIN 0
#define LEVEL_MAX 100
#define SCROLL_MAX_LEN 50
char scrolltext[CMD_MAX_LEN];
/*********************************************************************************************\
* Init function
\*********************************************************************************************/
bool TM1637Init(void) {
display = new SevenSegmentTM1637(Pin(GPIO_SSPI_SCLK), Pin(GPIO_SSPI_MOSI) );
NUM_DIGITS = Settings.display_size > 3 ? Settings.display_size : 4;
Settings.display_size = NUM_DIGITS;
display->begin(NUM_DIGITS, 1);
display->setBacklight(brightness * 10);
clearDisplay();
Settings.display_model = XDSP_15;
AddLog(LOG_LEVEL_INFO, PSTR("DSP: TM1637 display driver initialized"));
return true;
}
/*********************************************************************************************\
* Displays number without decimal, with/without leading zeros, specifying start-position
* and length, optionally skipping clearing display before displaying the number.
* commands: DisplayNumber num [,position {0-(NUM_DIGITS-1)} [,leading_zeros {0|1} [,length {1 to NUM_DIGITS}]]]
* DisplayNumberNC num [,position {0-(NUM_DIGITS-1)} [,leading_zeros {0|1} [,length {1 to NUM_DIGITS}]]] // "NC" --> "No Clear"
\*********************************************************************************************/
bool CmndTM1637Number(bool clear) {
char sNum[CMD_MAX_LEN];
char sLeadingzeros[CMD_MAX_LEN];
char sPosition[CMD_MAX_LEN];
char sLength[CMD_MAX_LEN];
uint8_t length = 0;
bool leadingzeros = false;
uint8_t position = 0;
uint32_t num = 0;
switch (ArgC())
{
case 4 :
subStr(sLength, XdrvMailbox.data, ",", 4);
length = atoi(sLength);
case 3 :
subStr(sLeadingzeros, XdrvMailbox.data, ",", 3);
leadingzeros = atoi(sLeadingzeros);
case 2 :
subStr(sPosition, XdrvMailbox.data, ",", 2);
position = atoi(sPosition);
case 1 :
subStr(sNum, XdrvMailbox.data, ",", 1);
num = atof(sNum);
}
if((position < 0) || (position > (NUM_DIGITS-1))) position = 0;
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: num=%d"), num);
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: position=%d"), position);
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: leadingzeros=%d"), leadingzeros);
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: length=%d"), length);
if(clear) clearDisplay();
char txt[30];
snprintf_P(txt, sizeof(txt), PSTR("%d"), num);
if(!length) length = strlen(txt);
if((length < 0) || (length > NUM_DIGITS)) length = NUM_DIGITS;
char pad = (leadingzeros ? '0': ' ');
uint32_t i = position;
uint8_t rawBytes[1];
rawBytes[0] = display->encode(pad);
for(; i<position + (length - strlen(txt)); i++) {
if(i>NUM_DIGITS) break;
display->printRaw(rawBytes, 1, i);
}
for(uint32_t j = 0; i< position + length; i++, j++) {
if(txt[j] == 0) break;
rawBytes[0] = display->encode(txt[j]);
if(i>NUM_DIGITS) break;
display->printRaw(rawBytes, 1, i);
}
return true;
}
/*********************************************************************************************\
* Displays number with decimal, specifying position, precision and length,
* optionally skipping clearing display before displaying the number.
* commands: DisplayFloat num [,position {0-(NUM_DIGITS-1)} [,precision {0-NUM_DIGITS} [,length {1 to NUM_DIGITS}]]]
* DisplayFloatNC num [,position {0-(NUM_DIGITS-1)} [,precision {0-NUM_DIGITS} [,length {1 to NUM_DIGITS}]]] // "NC" --> "No Clear"
\*********************************************************************************************/
bool CmndTM1637Float(bool clear) {
char sNum[CMD_MAX_LEN];
char sPrecision[CMD_MAX_LEN];
char sPosition[CMD_MAX_LEN];
char sLength[CMD_MAX_LEN];
uint8_t length = 0;
uint8_t precision = NUM_DIGITS;
uint8_t position = 0;
float fnum = 0.0f;
switch (ArgC())
{
case 4 :
subStr(sLength, XdrvMailbox.data, ",", 4);
length = atoi(sLength);
case 3 :
subStr(sPrecision, XdrvMailbox.data, ",", 3);
precision = atoi(sPrecision);
case 2 :
subStr(sPosition, XdrvMailbox.data, ",", 2);
position = atoi(sPosition);
case 1 :
subStr(sNum, XdrvMailbox.data, ",", 1);
fnum = atof(sNum);
}
if((position < 0) || (position > (NUM_DIGITS-1))) position = 0;
if((precision < 0) || (precision > NUM_DIGITS)) precision = NUM_DIGITS;
if(clear) clearDisplay();
char txt[30];
ext_snprintf_P(txt, sizeof(txt), PSTR("%*_f"), precision, &fnum);
if(!length) length = strlen(txt);
if((length <= 0) || (length > NUM_DIGITS)) length = NUM_DIGITS;
char s[30];
ext_snprintf_P(s, sizeof(s), PSTR("LOG: TM1637: num=%*_f"), 4, &fnum);
AddLog(LOG_LEVEL_DEBUG, PSTR("%s"), s);
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: precision=%d"), precision);
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: length=%d"), length);
uint8_t rawBytes[1];
for(uint32_t i=0, j=0; i<length; i++, j++) {
if(txt[i] == 0) break;
rawBytes[0] = display->encode(txt[i]);
if(txt[i+1] == '.') {
rawBytes[0] = rawBytes[0] | 128;
i++;
length++;
}
if((j+position) > NUM_DIGITS) break;
display->printRaw(rawBytes, 1, j+position);
}
return true;
}
// /*********************************************************************************************\
// * Clears the display
// * Command: DisplayClear
// \*********************************************************************************************/
bool CmndTM1637Clear(void) {
clearDisplay();
sprintf(msg, PSTR("Cleared"));
XdrvMailbox.data = msg;
return true;
}
void clearDisplay (void) {
unsigned char arr[] = {0};
AddLog(LOG_LEVEL_DEBUG, PSTR("Clearing digit %d"), NUM_DIGITS);
for(int i=0; i<NUM_DIGITS; i++) display->printRaw(arr, 1, i);
}
/*********************************************************************************************\
* Display scrolling text
* Command: DisplayScrollText text
\*********************************************************************************************/
bool CmndTM1637ScrollText(void) {
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: text=%s"), XdrvMailbox.data);
if(XdrvMailbox.data_len > SCROLL_MAX_LEN) {
snprintf(msg, sizeof(msg), PSTR("Text too long. Length should be less than %d"), SCROLL_MAX_LEN);
XdrvMailbox.data = msg;
return false;
} else {
snprintf(scrolltext, sizeof(scrolltext), PSTR("%s"), XdrvMailbox.data);
scrolltext[XdrvMailbox.data_len] = 0;
scrollindex = 0;
scroll = true;
return true;
}
}
/*********************************************************************************************\
* Sets the scroll delay for scrolling text.
* Command: DisplayScrollDelay delay {0-15} // default = 4
\*********************************************************************************************/
bool CmndTM1637ScrollDelay(void) {
if(scrolldelay<0) scrolldelay=0;
scrolldelay = XdrvMailbox.payload;
return true;
}
/*********************************************************************************************\
* Scrolls a given string. Called every 50ms
\*********************************************************************************************/
void scrollText(void) {
if(scroll) {
iteration++;
if(scrolldelay) iteration = iteration % scrolldelay;
else iteration = 0;
if(iteration) return;
if(scrollindex > strlen(scrolltext)) {
scroll = false;
scrollindex = 0;
return;
}
bool clr = false;
uint8_t rawBytes[1];
for(uint32_t i=0, j=scrollindex; i< strlen(scrolltext); i++, j++) {
if(i > (NUM_DIGITS-1)) break;
if(scrolltext[j] == 0) {clr = true;};
char charToDisp = (clr ? ' ' : scrolltext[j]);
rawBytes[0] = display->encode(charToDisp);
display->printRaw(rawBytes, 1, i);
}
scrollindex++;
}
}
/*********************************************************************************************\
* Displays a horizontal bar graph. Takes a percentage number (0-100) as input
* Command: DisplayLevel level {0-100}
\*********************************************************************************************/
bool CmndTM1637Level(void) {
uint16_t val = XdrvMailbox.payload;
if((val < LEVEL_MIN) || (val > LEVEL_MAX)) {
sprintf(msg, PSTR("Level should be a number in the range [%d, %d]"), LEVEL_MIN, LEVEL_MAX);
XdrvMailbox.data = msg;
return false;
}
uint8_t totalBars = 2*NUM_DIGITS;
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: CmndTM1637Level totalBars=%d"), totalBars);
float barsToDisplay = totalBars * val / 100.0f;
char txt[5];
ext_snprintf_P(txt, sizeof(txt), PSTR("%*_f"), 1, &barsToDisplay);
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: CmndTM1637Level barsToDisplay=%s"), txt);
char s[4];
ext_snprintf_P(s, sizeof(s), PSTR("%*_f"), 0, &barsToDisplay);
uint8_t numBars = atoi(s);
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: CmndTM1637Level numBars=%d"), numBars);
clearDisplay();
uint8_t rawBytes[1];
for(int i=1; i<=numBars; i++) {
uint8_t digit = (i-1) / 2;
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: CmndTM1637Level digit=%d"), digit);
uint8_t value = (((i%2) == 0) ? 54 : 48);
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: CmndTM1637Level value=%d"), value);
rawBytes[0] = value;
display->printRaw(rawBytes, 1, digit);
}
return true;
}
/*********************************************************************************************\
* Display arbitrary data on the display module
* Command: DisplayRaw position {0-(NUM_DIGITS-1)},length {1 to NUM_DIGITS}, a [, b[, c[, d[...upto NUM_DIGITS]]]]
* where a,b,c,d... are upto NUM_DIGITS numbers in the range 0-255, each number (byte)
* corresponding to a single 7-segment digit. Within each byte, bit 0 is segment A,
* bit 1 is segment B etc. The function may either set the entire display
* or any desired part using the length and position parameters.
\*********************************************************************************************/
bool CmndTM1637Raw(void) {
uint8_t DATA[6] = { 0, 0, 0, 0, 0, 0 };
char as[CMD_MAX_LEN];
char bs[CMD_MAX_LEN];
char cs[CMD_MAX_LEN];
char ds[CMD_MAX_LEN];
char es[CMD_MAX_LEN];
char fs[CMD_MAX_LEN];
char sLength[CMD_MAX_LEN];
char sPos[CMD_MAX_LEN];
uint32_t position = 0;
uint32_t length = 0;
switch (ArgC())
{
case 8 :
subStr(fs, XdrvMailbox.data, ",", 8);
DATA[5] = atoi(fs);
case 7 :
subStr(es, XdrvMailbox.data, ",", 7);
DATA[4] = atoi(es);
case 6 :
subStr(ds, XdrvMailbox.data, ",", 6);
DATA[3] = atoi(ds);
case 5 :
subStr(cs, XdrvMailbox.data, ",", 5);
DATA[2] = atoi(cs);
case 4 :
subStr(bs, XdrvMailbox.data, ",", 4);
DATA[1] = atoi(bs);
case 3 :
subStr(as, XdrvMailbox.data, ",", 3);
DATA[0] = atoi(as);
case 2 :
subStr(sLength, XdrvMailbox.data, ",", 2);
length = atoi(sLength);
case 1 :
subStr(sPos, XdrvMailbox.data, ",", 1);
position = atoi(sPos);
}
if(!length) length = ArgC() - 2;
if(length < 0 || length > NUM_DIGITS) length = NUM_DIGITS;
if(position < 0 || position > (NUM_DIGITS-1)) position = 0;
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: a=%d"), DATA[0]);
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: b=%d"), DATA[1]);
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: c=%d"), DATA[2]);
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: d=%d"), DATA[3]);
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: e=%d"), DATA[4]);
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: f=%d"), DATA[5]);
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: length=%d"), length);
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: position=%d"), position);
uint8_t rawBytes[1];
for(uint32_t i=position; i<position+length; i++ ) {
if(i>(NUM_DIGITS-1)) break;
rawBytes[0] = DATA[i-position];
display->printRaw(rawBytes, 1, i);
}
return true;
}
/*********************************************************************************************\
* Display a given string.
* Text can be placed at arbitrary location on the display using the length and
* position parameters without affecting the rest of the display.
* Command: DisplayText text [, position {0-(NUM_DIGITS-1)} [,length {1 to NUM_DIGITS}]]
\*********************************************************************************************/
bool CmndTM1637Text(bool clear) {
char sString[CMD_MAX_LEN + 1];
char sPosition[CMD_MAX_LEN];
char sLength[CMD_MAX_LEN];
uint8_t length = 0;
uint8_t position = 0;
switch (ArgC())
{
case 3 :
subStr(sLength, XdrvMailbox.data, ",", 3);
length = atoi(sLength);
case 2 :
subStr(sPosition, XdrvMailbox.data, ",", 2);
position = atoi(sPosition);
case 1 :
subStr(sString, XdrvMailbox.data, ",", 1);
}
if((position < 0) || (position > (NUM_DIGITS-1))) position = 0;
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: sString=%s"), sString);
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: position=%d"), position);
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: length=%d"), length);
if(clear) clearDisplay();
if(!length) length = strlen(sString);
if((length < 0) || (length > NUM_DIGITS)) length = NUM_DIGITS;
uint32_t i = position;
uint8_t rawBytes[1];
for(uint32_t j = 0; i< position + length; i++, j++) {
if(i > (NUM_DIGITS-1)) break;
if(sString[j] == 0) break;
rawBytes[0] = display->encode(sString[j]);
if(sString[j+1] == '.') {
rawBytes[0] = rawBytes[0] | 128;
j++;
} else if(sString[j] == '^') {
rawBytes[0] = 1 | 2 | 32 | 64;
}
display->printRaw(rawBytes, 1, i);
}
return true;
}
/*********************************************************************************************\
* Sets brightness of the display.
* Command: DisplayBrightness {0-8} // 0 => off
\*********************************************************************************************/
bool CmndTM1637Brightness(void) {
uint16_t val = XdrvMailbox.payload;
if(ArgC() == 0) {
XdrvMailbox.payload = brightness;
return true;
}
if((val < BRIGHTNESS_MIN) || (val > BRIGHTNESS_MAX)) {
sprintf(msg, PSTR("Brightness should be a number in the range [%d, %d]"), BRIGHTNESS_MIN, BRIGHTNESS_MAX);
XdrvMailbox.data = msg;
return false;
}
brightness = val;
display->setBacklight(brightness*10);
return true;
}
/*********************************************************************************************\
* Displays a clock.
* Command: DisplayClock 1 // 12-hour format
* DisplayClock 2 // 24-hour format
* DisplayClock 0 // turn off clock and clear
\*********************************************************************************************/
bool CmndTM1637Clock(void) {
showClock = XdrvMailbox.payload;
if(ArgC() == 0) XdrvMailbox.payload = 1;
if(XdrvMailbox.payload > 1) clock24 = true;
else if(XdrvMailbox.payload == 1) clock24 = false;
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: showClock=%d"), showClock);
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: clock24=%d"), clock24);
if(!showClock) {
clearDisplay();
}
return true;
}
/*********************************************************************************************\
* refreshes the time if clock is displayed
\*********************************************************************************************/
void showTime() {
uint8_t hr = RtcTime.hour;
uint8_t mn = RtcTime.minute;
// uint8_t hr = 1;
// uint8_t mn = 0;
char z = ' ';
if(clock24) {
z = '0';
} else {
if(hr > 12) hr -= 12;
if(hr == 0) hr = 12;
}
if(hr < 10) {
if(mn < 10) snprintf(tm, sizeof(tm), PSTR("%c%d0%d"), z, hr, mn);
else snprintf(tm, sizeof(tm), PSTR("%c%d%d"), z, hr, mn);
} else {
if(mn < 10) snprintf(tm, sizeof(tm), PSTR("%d0%d"), hr, mn);
else snprintf(tm, sizeof(tm), PSTR("%d%d"), hr, mn);
}
uint8_t rawBytes[1];
for(uint32_t i = 0; i< 4; i++) {
rawBytes[0] = display->encode(tm[i]);
if((millis() % 1000) > 500 && (i == 1)) rawBytes[0] = rawBytes[0] | 128;
display->printRaw(rawBytes, 1, i);
}
}
/*********************************************************************************************\
* This function is called for all TM1637 Display functions.
\*********************************************************************************************/
bool TM1637Cmd(uint8_t fn) {
bool result = false;
NUM_DIGITS = Settings.display_size;
if(prev_num_digits != NUM_DIGITS) { // Cleck for change of display size, and re-init the library
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: Size changed. Re-initializing library..."));
display = new SevenSegmentTM1637(Pin(GPIO_SSPI_SCLK), Pin(GPIO_SSPI_MOSI) );
display->begin(NUM_DIGITS, 1);
display->setBacklight(40);
clearDisplay();
prev_num_digits = NUM_DIGITS;
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: Re-initialized library"));
}
if(XdrvMailbox.data_len > CMD_MAX_LEN) {
sprintf(msg, PSTR("Command text too long. Please limit it to %d characters"), CMD_MAX_LEN);
XdrvMailbox.data = msg;
return result;
}
switch (fn) {
case FUNC_DISPLAY_CLEAR:
result = CmndTM1637Clear();
break;
case FUNC_DISPLAY_NUMBER :
result = CmndTM1637Number(true);
break;
case FUNC_DISPLAY_NUMBERNC :
result = CmndTM1637Number(false);
break;
case FUNC_DISPLAY_FLOAT :
result = CmndTM1637Float(true);
break;
case FUNC_DISPLAY_FLOATNC :
result = CmndTM1637Float(false);
break;
case FUNC_DISPLAY_BRIGHTNESS:
result = CmndTM1637Brightness();
break;
case FUNC_DISPLAY_RAW:
result = CmndTM1637Raw();
break;
case FUNC_DISPLAY_SEVENSEG_TEXT:
result = CmndTM1637Text(true);
break;
case FUNC_DISPLAY_SEVENSEG_TEXTNC:
result = CmndTM1637Text(false);
break;
case FUNC_DISPLAY_LEVEL:
result = CmndTM1637Level();
break;
case FUNC_DISPLAY_SCROLLTEXT:
result = CmndTM1637ScrollText();
break;
case FUNC_DISPLAY_SCROLLDELAY:
result = CmndTM1637ScrollDelay();
break;
case FUNC_DISPLAY_CLOCK:
result = CmndTM1637Clock();
break;
}
return result;
}
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xdsp15(uint8_t function)
{
bool result = false;
if (FUNC_DISPLAY_INIT_DRIVER == function) {
result = TM1637Init(); // init
}
else if (XDSP_15 == Settings.display_model) {
switch (function) {
case FUNC_DISPLAY_MODEL:
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: FUNC_DISPLAY_MODEL"));
result = true;
break;
case FUNC_DISPLAY_INIT:
CmndTM1637Clear();
AddLog(LOG_LEVEL_DEBUG, PSTR("LOG: TM1637: FUNC_DISPLAY_INIT"));
break;
case FUNC_DISPLAY_SEVENSEG_TEXT:
case FUNC_DISPLAY_CLEAR:
case FUNC_DISPLAY_NUMBER:
case FUNC_DISPLAY_FLOAT:
case FUNC_DISPLAY_NUMBERNC:
case FUNC_DISPLAY_FLOATNC:
case FUNC_DISPLAY_BRIGHTNESS:
case FUNC_DISPLAY_RAW:
case FUNC_DISPLAY_LEVEL:
case FUNC_DISPLAY_SEVENSEG_TEXTNC:
case FUNC_DISPLAY_SCROLLTEXT:
case FUNC_DISPLAY_SCROLLDELAY:
case FUNC_DISPLAY_CLOCK:
result = TM1637Cmd(function);
break;
case FUNC_DISPLAY_EVERY_50_MSECOND:
scrollText();
if(showClock) {
showTime();
}
break;
}
}
return result;
}
#endif // USE_DISPLAY_TM1637
#endif // USE_DISPLAY