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  • 20x4 display and big_number not working ?
    in General •
    Avatar for Pat

    Works :) Brilliant. Thanks ever so. Absolutely amazed at your responsiveness !

  • 20x4 display and big_number not working ?
    in General •
    Avatar for Pat

    Flash 1.60 ?

  • 20x4 display and big_number not working ?
    in General •
    Avatar for Pat

    JumJum, am sorry - I don't know what that means, or what to do !

    It looks to me like there is a problem in big_number itself somewhere.

    Pat

  • 20x4 display and big_number not working ?
    in General •
    Avatar for Pat

    Display works fine on I2C. Trying this code

    I2C1.setup({scl:B6, sda:B7});
var lcd = require("HD44780").connectI2C(I2C1);

// var lcd = ... from simple example above ...
var disp = require("big_number").use(lcd);
// fill the screen with '12345'
disp.showNumber(12345);
// or draw just the digits you want, where you want

    but get this ..

     _____                 _ 
|   __|___ ___ ___ _ _|_|___ ___ 
|   __|_ -| . |  _| | | |   | . |
|_____|___|  _|_| |___|_|_|_|___|
          |_| http://espruino.com
 1v60 Copyright 2014 G.Williams
>echo(0);
ERROR: Function not found! Skipping. at line 2 col 1
showDigit(17,a%10);9<a&&showDigit(14,a/1­0%10);99<a&&showDigit(11,a/100%10);999<a­&&showDigit(8,a/1E3%10);9999<a&&showDigi­t(5,a/1E4%10)}
 ^
at line 2 col 10
showDigit(17,a%10);9<a&&showDigit(14,a/1­0%10);99<a&&showDigit(11,a/100%10);999<a­&&showDigit(8,a/1E3%10);9999<a&&showDigi­t(5,a/1E4%10)}
          ^
in function "showNumber" called from line 1 col 22
=undefined
>

    Any ideas ?

  • CC3000 initialisation and/or timeout issues

    in General •
    Avatar for Pat

    Perhaps I spoke too soon. Latest is that after some period, the Esprunio becomes unresponsive and the GUI disconnected. COM port disappears, so have to re-power.

  • CC3000 initialisation and/or timeout issues

    in General •
    Avatar for Pat

    Just wanted to report that this is much better now, but still not 100% .. I am running this code ..

    E.enableWatchdog(10);
function onPageRequest(req, res) {
  res.writeHead(200, {'Content-Type': 'text/html'});
  res.write('<html><body>');
  res.write('<p>Button is '+(BTN.read()?'on':'off')+'</p>');
  res.write('<p>Turn LED1 <a href="/on1">on</a> or <a href="/off1">off</a></p>');
  res.write('<p>Turn LED3 <a href="/on2">on</a> or <a href="/off2">off</a></p>');
  res.end('</body></html>');
  if (req.url=="/on1") digitalWrite(LED1, 1);
  if (req.url=="/off1") digitalWrite(LED1, 0);
  if (req.url=="/on2") digitalWrite(LED3, 1);
  if (req.url=="/off2") digitalWrite(LED3, 0);
}

var wlan = require("CC3000").connect();
wlan.connect( "mbed", "Syzygy1313!", function (s) { 
  if (s=="dhcp") {
    console.log("My IP is "+wlan.getIP().ip);
    require("http").createServer(onPageReque­st).listen(80);
  }
});

    Which will run for several days without trouble. I no longer see the 16384 or other errors. But I do now see (eventually) ..

    I'm afraid my JavaScript is not up to really understanding how the whole script works, but I assume at some point, wlan.connect got executed again, s was dhcp but all was not well ?

    There has been one other change, in that I swapped out the actual Espruino board. The previous board had the HC05 bluetooth module soldered on. I experienced some really mysterious goings on which may or may not be related, but ...

    From time to time, All of my 2.4GHz wifi (5Ghz Ok) and All of my bluetooth devices (mice, headsets) etc would stop working in my study/workroom. None could connect to relevant APs or hosts. Elsewhere in house, all Ok. I eventually traced this to the Espruino board .. unplugging it from power, would bring everything back to life. First few times, I thought it was just an oddity. But left long enough, that Espruino board would eventually cause the problem. I have absolutely no way of knowing whether it was the CC3000 or HC05 or something else ??

    Beat that !

    Pat

  • 20x4 LCD Display with I2C serial interface
    in General •
    Avatar for Pat

    Thanks all. Sorry again, I failed to scroll down far enough at http://espruino.com/HD44780

  • 20x4 LCD Display with I2C serial interface
    in General •
    Avatar for Pat

    Have one of these, works fine. First time (well once I understood which pins support I2c - another thread on that). But I want to know whether I need to tell Espruino that it's 20x4, and if so how?

    This code

    I2C1.setup({scl:B6, sda:B7});
var lcd = require("HD44780").connectI2C(I2C1);
lcd.clear();
lcd.print("Testing 123 123 123 123 123 123 123");

    Prints "Testing 123 123 123" on the top row of the display, then there is a blank row, and then I get the final "123 123 123 123" on the third row. As expected ?

    Is the a way to specify which row/column I want a piece of text to start ?

    Pat

  • Which pins on Espruino can I use for i2C ?
    in General •
    Avatar for Pat

    Sorry, I was looking in the wrong place ... I2C in the reference guide ...

  • Which pins on Espruino can I use for i2C ?
    in General •
    Avatar for Pat

    Can't see this in the reference material. I know that B6 and B7 work, and that B14 ad 15 don't !

    Pat

  • Constant crashing of TEMPERATURE ON A PCD8544 DISPLAY, WITH DS18B20 TEMPERATURE SENSOR
    in General •
    Avatar for Pat

    Ah. Thanks :)

  • Constant crashing of TEMPERATURE ON A PCD8544 DISPLAY, WITH DS18B20 TEMPERATURE SENSOR
    in General •
    Avatar for Pat

    Hmm. Perhaps I am missing something .. this is my code, I changed the Temp drawstring back to 0,0 and sent the code to espruino, but the display of "Temp" is off the screen again ..

    var ow = new OneWire(B13);
var g, temp;
function onInit() {
  SPI1.setup({ baud: 1000000, sck:B3, mosi:B5 });
  clearInterval();
  temp = require("DS18B20").connect(ow);
  g = require("PCD8544").connect(SPI1,B6,B7,B8­, function() {
    setInterval(onTimer, 500);
  });
}
function onTimer() {
  // Get the temperature
  var t = temp.getTemp();
  // Round it to the nearest 0.1
  t = Math.round(t*10)/10;
  // Now draw!
  g.clear();
  g.setFontBitmap(); // simple 8x8 font
  g.drawString("Temp",0,0);
  g.drawLine(0,10,84,10);
  g.setFontVector(25); // large font
  g.drawString(t, 0, 15);
  g.flip(); // copy this to the screen
}
onInit();

  • Constant crashing of TEMPERATURE ON A PCD8544 DISPLAY, WITH DS18B20 TEMPERATURE SENSOR
    in General •
    Avatar for Pat

    Ah, got it. Thanks. I am learning. Slowly.

  • Constant crashing of TEMPERATURE ON A PCD8544 DISPLAY, WITH DS18B20 TEMPERATURE SENSOR
    in General •
    Avatar for Pat

    Ok, so this code

    var ow = new OneWire(B13);
var g, temp;
function onInit() {
  SPI1.setup({ baud: 1000000, sck:B3, mosi:B5 });
  clearInterval();
  temp = require("DS18B20").connect(ow);
  g = require("PCD8544").connect(SPI1,B6,B7,B8­, function() {
    setInterval(onTimer, 500);
  });
}
function onTimer() {
  // Get the temperature
  var t = temp.getTemp();
  // Round it to the nearest 0.1
  t = Math.round(t*10)/10;
  // Now draw!
  g.clear();
  g.setFontBitmap(); // simple 8x8 font
  g.drawString("Temp",2,0);
  g.drawLine(0,10,84,10);
  g.setFontVector(25); // large font
  g.drawString(t, 0, 15);
  g.flip(); // copy this to the screen
}
onInit();

    survives the reset.

    Gordon, when you say "I just fixed this in the LCD driver. Try loading it into your board again and it should 'just work'." .. you need to push a firmware update ?

    Pat

  • Constant crashing of TEMPERATURE ON A PCD8544 DISPLAY, WITH DS18B20 TEMPERATURE SENSOR
    in General •
    Avatar for Pat

    Hehe :) I think I can live with it .. not a thing of beauty, but perfectly functional.

    Moving SPI1 into onInit - no change. I'll find the other thread and take a look. Again this did work at some point in the past, but stupidly did not pay attention when it changed.

  • CC3000 initialisation and/or timeout issues

    in General •
    Avatar for Pat

    I figured, could go in the docs. TVM :)

  • Constant crashing of TEMPERATURE ON A PCD8544 DISPLAY, WITH DS18B20 TEMPERATURE SENSOR
    in General •
    Avatar for Pat

    My next slight mystery (apart from not surviving a reset/power cycle) is that the font has become very ugly. I am not sure at what point this happened, and actually thought it might be the LCD, so replaced. But same effect ...

    SPI1.setup({ baud: 1000000, sck:B3, mosi:B5 });
var ow = new OneWire(B13);
var g, temp;
function onInit() {
  clearInterval();
  temp = require("DS18B20").connect(ow);
  g = require("PCD8544").connect(SPI1,B6,B7,B8­, function() {
    setInterval(onTimer, 500);
  });
}
function onTimer() {
  // Get the temperature
  var t = temp.getTemp();
  // Round it to the nearest 0.1
  t = Math.round(t*10)/10;
  // Now draw!
  g.clear();
  g.setFontBitmap(); // simple 8x8 font
  g.drawString("Temp",2,0);
  g.drawLine(0,10,84,10);
  g.setFontVector(25); // large font
  g.drawString(t, 0, 15);
  g.flip(); // copy this to the screen
}
onInit();

    Incidentally the default 0,0 for Temp, puts the text off the LHS of the screen slightly, so I changed to 2,0. Changing setFontVector to other numbers has little effect .

    Is this to be expected/as intended ?

    Pat

  • CC3000 initialisation and/or timeout issues

    in General •
    Avatar for Pat

    No, Espruino is dead then, can't enter commands etc. Full power cycle necessary.

    E.enableWatchdog(1000) given me ERROR: Maximum watchdog timeout exceeded.

    In fact, anything over 26 gives the error. 26 is Ok, 27 is not !

  • CC3000 initialisation and/or timeout issues

    in General •
    Avatar for Pat

    Thanks. Afraid it is still rather unhappy. A mix of 4101 and 16384s on both of my CC3000 boards. Sometimes recovers, but eventually dies.

    I'll see if I can have a hack with an Arduino. Gulp :(

    Pat

  • Constant crashing of TEMPERATURE ON A PCD8544 DISPLAY, WITH DS18B20 TEMPERATURE SENSOR
    in General •
    Avatar for Pat

    Not really sure what the problem is .. or how to debug .. the main problem of constant crashing is banished, though :)

  • CC3000 initialisation and/or timeout issues

    in General •
    Avatar for Pat

    Gordon, happened later on, but kept going. However, a few hours later I looked at the console again and there was another 4101, but the thing had died again.

    I've tried a couple of different CC3000 modules .. both behave the same way (I thought my original must be a dud).

    Have contemplated a firmware update, but it looked a bit of a production. And I'm not even sure how to check the current rev level actually. Can that be done on the Espruino ?

    I've just kicked it off running again and will keep an eye on it this evening.

    I suspect they are just somewhat flakey !

    Pat

  • Constant crashing of TEMPERATURE ON A PCD8544 DISPLAY, WITH DS18B20 TEMPERATURE SENSOR
    in General •
    Avatar for Pat

    Running all day. Not a wobble. Fixed, I would say :)

    Still does not survive a reset/power cycle though after a save()

    Pat

  • CC3000 initialisation and/or timeout issues

    in General •
    Avatar for Pat

    Will try a different PSU and have installed 1.59, seems better but getting a few new messages !

  • Constant crashing of TEMPERATURE ON A PCD8544 DISPLAY, WITH DS18B20 TEMPERATURE SENSOR
    in General •
    Avatar for Pat

    Gordon, thanks ever so. I'll give it a shot now and report back !

  • @Pat
    in Profiles •
    Avatar for Pat

    An IoT fan, but total novice. Love Espruino !

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