rjbatista / tm1638-library Goto Github PK

function setDisplayToDecNumber
-----------------------------
incorrect parameter sequence

Modify the librairy \arduino-1.0.4\libraries\TM1638
on line 31,32,33


#define TM1638_COLOR_NONE   0
#define TM1638_COLOR_RED    2
#define TM1638_COLOR_GREEN  1

Thanks :D

setDisplayToDecNumber should support negative numbers, at least in the 
non-leadingZeros case (the first argument will be a signed long)

TM1640 support for setDisplayToBin/Hex/Dec/Number functions.

Could you use this syntax in your example code so we have a permanent note of 
wich is the position of clk dio and stb? Thanks 


#define TM1638CLK 52
#define TM1638DIO 53
#define TM1638STB0 51
TM1638 module1(TM1638DIO , TM1638CLK , TM1638STB0);

Support for displaying additional chars in the library.
Support for displaying 8 char strings.

See:
http://en.wikipedia.org/wiki/Seven-segment_display_character_representations

Would it be possible to implement a new 'getButton' like method that has 
debouncing?

It would save a step in basically every program that needs a reliable reading 
of button input.

You could leave the existing getButton method for those who want to implement 
their own debouncing.

I'd like to be able to set individual positions using the "FONT_DEFAULT" 
letters.

Perhaps you could change the setDisplayDigit to accept "font", FONT_DEFAULT as 
the fourth argument, but still have it default to "NUMBER_FONT".

Hi,
first i want to say thanks for your great library.
But your schematic for wiring the module with an arduino seemed to be wrong. 
the schematic use pin 9,8,7 but it must be 2,3,4 to work correcty with your 
examples in the library.

The PWM values that should cause gradual change of intensity appear to work in 
the following manner:

Values of 0; 1 and 2 do change the PWM noticeably

However once the value jumps from 2 to 3 a significant change is observed . 
Then values of 4;5;6 and 7 do not seem to cause any noticeable change in 
intensity.

So in summary, 0;1; and 2 cause gradual change. Then a significant jump occurs 
and 3;4;5;6; and 7 appear all the same.

This may very well be a display issue with the way it interprets the intensity 
commands and implements the PWM internally but wanted to mention it just in 
case.

Thanks

Testing code:


#include <TM1638.h>
#include <TM1640.h>

TM1640 module(3, 2);
int i=0;

void setup()
{
}

void loop()
{
  char text[17];
  module.setupDisplay(true,i);
  sprintf(text, "HELLO %u", millis());
  module.setDisplayToString(text);
  delay(550);
  i++;
  if (i>=8)
  {
  i=0;
  }
}

setLEDs stopped working correctly with the 2.0.0 version (because of some 
changes I added to support TM1640).

What steps will reproduce the problem?
1.Try to compile the TM1640 example for target ATtiny85 board (Arduino-Tiny 
cores)
2.Works with IDE pre-1.0 but not with any version 1.0 or younger
3.

What is the expected output? What do you see instead?
Expect compile without errors, instead get this:
TM1638\TM16XX.cpp.o:(.rodata._ZTV6TM16XX+0x14): undefined reference to 
`__cxa_pure_virtual'

What version of the product are you using? On what operating system?
Any that support TM1640 are the only ones I've tried.

Please provide any additional information below.
Discussion and remedy for the problem here:
http://arduino.cc/forum/index.php?topic=162094.new%3btopicseen#new

I've noticed the following issue on a TM1640 display.

Calling setDisplayDigit repeatedly in a loop, with the dot set to true, shows a 
weird half number on the spot adjacent to it. In the sample code bellow, the 
second 7-segment display will show a small inverted "r".

 for (int i=0; i<=9; i++)
 {
  module.setDisplayDigit(i,0,true);
  delay(500);
 }

If the dot parameter is set to false, it works correctly. It also works 
correctly when the function is called just once.

Good afternoon/morning, 


After seeing a post 
http://tronixstuff.wordpress.com/2012/04/09/arduino-and-tm1640-led-display-modul
es/ and decided to order two of them... just for fun really.

After trying the sample code to display a string, I wanted to display a decimal 
and seeing the setDisplayToDecNumber function I implemented it and it fails to 
compile.

http://pastebin.com/rE6YXsrV is my sample code and it does not want to compile 
and I get the following error

sketch_jun10a.ino: In function 'void loop()':
sketch_jun10a:12: error: 'class TM1640' has no member named 
'setDisplayToDecNumber'


I'm not an expert in C++ but am poking around with it a little, any ideas you 
can have would be fantastic.

The only other idea is to convert all my decimal to a string before and display 
it that way rather then use the right feature although that seems kinda 
weird... Do you not have a 16 char LED display as the first link I provided you?

Thanks, 
--Aaron

Hello,

Could you insert a function to text scroll a string ?

I mean a very simple function (for us) just to display any string.

Thank's

[deleted issue]

I can't find a way to turn one led off without messing with the status of the 
others. I'm trying to find a way to make this work:

      if (ch1 == 1) {
        module.setLED(TM1638_COLOR_GREEN, 0); // set LED 0 to green
      } else {
        //something that turns ONLY led number 0 off
    }
      if (ch2 == 1) {
        module.setLED(TM1638_COLOR_GREEN, 1); // set LED 1 to green
      } else {
        //something that turns ONLY led number 1 off
    }


Thank you! Obrigado!

What steps will reproduce the problem?
1.Run the line "module1.setLEDs(0x0F);"
2.Rune the line "module1.setLEDs(0xF0);"


What is the expected output? What do you see instead?
1. Expect to see all LEDs as red. Only the left four light up red.
2. Expect to see all LEDs as green. Only right four light up, and as red.

I am developing an IO process which can switch on LED by Hall effect sensor and 
delay 500ms to turn off after I un-press it just like 555 monostable can do. I 
am using UNO R3, Arduino 1.0.5, Board is Tiny 8Mhz internal BOD off to program 
a tiny85.

1. Where is a very huge delay at the 1st time around 16-20 seconds. Next click 
is around 8 secs. After few time to activate the process it becomes normal 
(500ms).
2. Then I leave it alone for a while (let say 30 secs), the 1st delay time is 
back to 16-20 secs.

I am just thinking if the sleep function is enable by default cause this false. 
If so, can anyone help to solve this problem. Thank you very much.

Chris


//////////////////////////////
const int ledSensorPin = 3;
const int led_mosfet = 2;
int ledHallState = 0;
int ledLastHallState = 0;
long previousMillis = 0;
long interval = 500;
int startCountDown = 0;
//////////////////////////////
void setup()
    {
    pinMode(1, INPUT);
    pinMode(led_mosfet, OUTPUT);
    pinMode(ledSensorPin, INPUT); //pulled up by hardware
    }
//////////////////////////////
void loop()
    {
    unsigned long currentMillis = millis();

    if (digitalRead(ledSensorPin) == 0) ledHallState = 1;
    if (digitalRead(ledSensorPin) == 1) ledHallState = 0;
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
    //LED MOSFET SWITCH ON
    if (ledHallState != ledLastHallState && ledHallState == 1) // Save current state as the last state
        {
        ledLastHallState = ledHallState;  // Save current state as the last state
        startCountDown = 0;
        digitalWrite(led_mosfet, HIGH);   // LED on
        }
    //LED MOSFET SWITCH OFF
    if (ledHallState != ledLastHallState && ledHallState == 0)                  // Save current state as the last state
        {
        ledLastHallState = ledHallState;
        previousMillis = currentMillis;
        startCountDown = 1;
        }
    if (startCountDown == 1)
        {
        if(currentMillis - previousMillis > interval)
            {
            ledLastHallState =ledHallState;
            digitalWrite(led_mosfet, LOW);
            startCountDown = 0;
            goToSleep();
            }
        }
    }

What steps will reproduce the problem?
1.
String n = "320.23";
module.setDisplayToString (n);

What is the expected output? What do you see instead?

I Expected "320.23". In display appears "320 .23" the point should be appear in 
the "0" digit (with point) and next character should be "2".


What version of the product are you using? On what operating system?
I use Windows 7 with 2.1.3 library.


Please provide any additional information below.

  module->setLED(0, (runningSecs - 1) % 8);
  module->setLED(1 + runningSecs % 3, runningSecs % 8);
  Serial.println("case 64");     
  break;
case 65:
  module->setDisplayToError();
  Serial.println("case 65"); 
  break;

In order to avoid the following compilation warning when using arduino-1.5.2 
with Eclipse Arduino 2.x plugin (see [1]):
"Class 'TM16XX' has virtual method 'receive' but non-virtual 
destructor  TM16XX.h"
- the base class' default destructor shall be virtual and therefore to be 
written explicitly.

Ref:
[1] Arduino Eclipse Plugin V2.x Installation (Eclipse Juno), 
    http://trippylighting.com/teensy-arduino-ect/arduino-eclipse-plugin/arduino-eclipse-plugin-installation/

What steps will reproduce the problem?

1.Install Arduino 0023 on Win XP

2.Download TM1638 Library v2.0.0.zip and install it according to the 
instructions

3.Open the example tm1638_one_module_example provided with the library, and 
compile it inside Arduino IDE.

4. TM1638\TM16XX.cpp.o:(.rodata._ZTV6TM16XX+0x14): undefined reference to 
`__cxa_pure_virtual'



What is the expected output? What do you see instead?

Binary sketch size: xxxx bytes (of a yyyy byte maximum)




What version of the product are you using? On what operating system?

Arduino 0023, Win XP
TM1638 Library v2.0.0.zip



Please provide any additional information below.

With the library 1.6, the same example compiles and links ok.

I'm trying to use some of my code that was written for the TM1638, on the TM1640

I'm only having this problem with this particular statement so far.

switch (Gear) { //Switch that displays correct gear on TM1638
    case 102:{  
          //Reverse gear
      gearDis.setDisplayToString("r",0,gearPos);
    } break;

    case 127:{  
           //Neutral gear
      gearDis.setDisplayToString("n",0,gearPos);
    } break;

    case 149: 
    case 153:{                                    //First gear

      gearDis.setDisplayDigit(1,gearPos,false);
    } break;

    case 170: 
    case 179:{                                    //Second gear

      gearDis.setDisplayDigit(2,gearPos,false);
    } break;

    case 191:  
    case 204:{                                    //Third gear

      gearDis.setDisplayDigit(3,gearPos,false);
    } break;

    case 213:  
    case 230:{                                    //Fourth gear

      gearDis.setDisplayDigit(4,gearPos,false);
    } break;

    case 234:  
    case 255:{                                    //Fifth gear

      gearDis.setDisplayDigit(5,gearPos,false);
    } break;
  } 

What steps will reproduce the problem?
1.Try to compule the attached  code
#include <TM1638.h>

TM1638 module(3, 2, 4);

String a = 0;
String b = 0;
String StringFinal = 0;

void setup() {  
}

void loop() {
  a = analogRead(1);
  b = analogRead(3);
  stringFinal = a+b;
  module.setDisplayToString(stringFinal), 0xF0);
  delay(100);
}
2.
3.

What is the expected output? What do you see instead?
The code should compile without errors.
The following errors are displayed:
 error: no matching function for call to 'TM1638::setDisplayToString(String&, int)'

What version of the product are you using? On what operating system?


Please provide any additional information below.

For users that want to use the TM1638 to display temperature, it would be nice 
to have the * character in the default font appear as follows instead of just 
being blank:

  0b01100011, // (42)   *

I know you wanted some more info on the TM1640 module for a possible library 
build. Check this out!

http://club.dealextreme.com/forums/Forums.dx/threadid.1013434?page=2

What steps will reproduce the problem?
1. Load up your example named "tm1638_one_module_example"
2. Try to upload it to Arduino without modification or try to compile it.

What is the expected output? What do you see instead?
I guess it should compile and upload it to the Arduino. Instead it gives me 
this error:

Error compiling.
TM1638\TM1638.cpp.o: In function `~TM1638':
D:\Program Files (x86)\Arduino-0023\libraries\TM1638/TM1638.cpp:55: undefined 
reference to `operator delete(void*)'


What version of the product are you using? On what operating system?
- tm1638-library (v1.5.1)
- Windows 7 Ultimate x64
- Arduino 0023
- Arduino UNO

Hi

Great work on the library, Thank you!

Few observations while playing with my newly arrived tm1640:

1. If clearDisplay() is used then anything after that will not print to the 
module. The fix is to use setupDisplay(), then consecutive print commands 
appears on the LEDs.

2. If setupDisplay() is used then consecutive setDisplayToString() will produce 
an extra character at the end of the string. If setupDisplay() is NOT used then 
that extra character does not appear. The character is always the same - looks 
like "L" shaped bracket. See pix.

What is the expected output?
Dot's on display
Please provide any additional information below.
Would be nice to add this command so we can turn on any dot on display without 
erasing existing content so that if i send string "234 TEST" and afterwards i 
send module.setDots(0b01000000) i get on display "23.4 TEST"

What steps will reproduce the problem?
Any output to display.

What is the expected output? What do you see instead?
Expected: "01234567"
Reality: "45670123"

What version of the product are you using? On what operating system?
library version: 2.2.0


To solve this problem change following code in TM1638QYF.cpp in function 
TM1638QYF::setDisplay:

change line:
    sendData(i << 1, val);
... to:
    sendData(i << 1, ((val & 0x0F) << 4) | ((val & 0xF0) >> 4)); // swap Hi-Lo nibble

What steps will reproduce the problem?
1.char* zeropower = "  00  00";
2.module1.setDisplayToString(zeropower, 0b00100010);
3.

What is the expected output? What do you see instead?
- Expecting dots on the third and seventh digit. Seeing no dots. Works with 
setDisplayToDecNumber and others, but need to use strings in my setup.

What version of the product are you using? On what operating system?
2.0.1 on Windows XP, Arduino Nano 3.0

Please provide any additional information below.
Thank you for your wonderful library. I am making speed/power/consumption meter 
for my electric bike with TM1638 module using your libraries.

What steps will reproduce the problem?
1. myDisplay.setLED(TM1638_COLOR_GREEN, 7);
2.
3.

What is the expected output? What do you see instead?
LED 7 should become green, it becomes red instead.

What version of the product are you using? On what operating system?


Please provide any additional information below.
I suspect this is just my batch of boards, ref picture. I've added a #ifndef 
section to invert the colours if TM1638_INVERT_LED is set.

#define TM1638_INVERT_LED 1
#include <TM1638.h>

What steps will reproduce the problem?
Run on TM1640:
byte values[] = { 73,73,73,73,73,73,73,73,73,73,73,73,73,73,73,73 };
module.setDisplay(values);

What is the expected output? What do you see instead?
Updates only the first 8 positions out of expected 16 positions.

What version of the product are you using? On what operating system?
TM1638 Library v2.1.3.zip with Arduino 1.0.3 environment.

Please provide any additional information below.
Partial fix is changing
virtual void setDisplay(const byte values[], unsigned int length = 8);
to
virtual void setDisplay(const byte values[], unsigned int length = 16);
in TM16XX.h

As describes in Issue 7, for users that want to use the TM1638 to display 
temperature, it would be nice to have the * character in the default font 
appear as follows:
 - 
| |
 - 

Although the TM1638 library works fine on Windows, those using it on Linux, 
BSD, Mac OS or other case-sensitive operating systems will find it fails at the 
compilation stage.

Reproduce:
1. Unzip the library into the Arduino Libaries folder on Linux.
2. Load any of the TM1638 sample sketches.
3. Attempt to compile.

Instead of a successful compilation, you'll find it fails to find the String.h 
library. There's a good reason for this: it's called string.h.

Thankfully, it's a simple fix. Line 23 of TM1638.cpp reads:
#include "String.h"

Modify this to read:
#include "string.h"

and the package compiles successfully.

Hi Ricardo,

I've got the TM1638/TM1640 library running on an ATtiny85.
I've tested with the TM1640, but have yet to try the TM1638.

http://www.instructables.com/id/Self-contained-16-Digit-display-Arduino-Attiny/



Are there any issues you can forsee with this library and the ATtiny85?

I've found the millis() function is 16 times too fast, due to the difference in 
clock speeds (16Mhz vs 1Mhz). Nothing else has come up yet though.

Cheers!,
Panici