setConsole()

[espruino-discuss]

Posted at 2015-12-09 by Sacha

Hi Gordon

The following code moves the console to LoopbackA. 10 sec. later back to USB.
It works as expected. But we do not have echo on the console and there is no prompt.

Code:

var test='Sacha';

setTimeout(function() {
    USB.setConsole();
    console.log('Console back to USB');
    console.log('Content of test: '+test);
    
    },10000);


console.log('Move console to loopback');
LoopbackA.setConsole();

[espruino-discuss]

Posted at 2015-12-09 by Sacha

In addition magic 'ec' is typed on the console.

After running the above code waiting ten seconds then hit return. We have the following output:

 _____                 _
|   __|___ ___ ___ _ _|_|___ ___
|   __|_ -| . |  _| | | |   | . |
|_____|___|  _|_| |___|_|_|_|___|
          |_| http://espruino.com
 1v83 Copyright 2015 G.Williams
>echo(0);
Move console to loopback
Console back to USB
Content of test: Sacha
Uncaught ReferenceError: "ec" is not defined

[gfwilliams]

Posted at 2015-12-09 by @gfwilliams

Just do setTimeout("LoopbackA.setConsole();",500);.

It's because the code is executed as it is sent to Espruino (in some cases there wouldn't be enough memory to hold all your program's text and execute it too!), so you're actually moving the console out of the way right in the middle of uploading the code (while echo is off).

Adding a setTimeout will mean it gets executed later, after code is executed and echo is turned back on.

[espruino-discuss]

Posted at 2015-12-09 by Sacha

Understand. Thanks. Works.

[espruino-discuss]

Posted at 2016-04-18 by sp33c

the USB.setConsole seems not be available anymore? Does anyone know why?

[gfwilliams]

Posted at 2016-04-18 by @gfwilliams

It's definitely still available - which board are you using, and are you using the latest firmware?

[espruino-discuss]

Posted at 2017-06-07 by sp33c

I get an error telling me command not found.
I use the big one

[espruino-discuss]

Posted at 2017-06-07 by ClearMemory041063

Some caution is needed when using setConsole if you save the program and do the onInit().
Be sure you have a working method to restore the console to the USB ( a pushbutton, a control-C, or a menu option).

[espruino-discuss]

Posted at 2017-06-07 by sp33c

Ic yes that makes sense otherwise reflashing could be an option

[espruino-discuss]

Posted at 2017-06-07 by sp33c

If connected to the usb and ide the Serial obe works just fine. How exactly trick Serial1 to allow the onData to work as in ide if powered from external power source?

[gfwilliams]

Posted at 2017-06-07 by @gfwilliams

I'm not quite sure I understand the question, but try just adding USB.setConsole(1).

That will force the console to always stay on USB, allowing you to use Serial1 for whatever you want.

[espruino-discuss]

Posted at 2017-06-07 by sp33c

Gordon, thank you. I could not get it to work. I will be away 3 days.
I was seeking a solution to get this simple test snippet to run, when not connected to a USB port of a computer. As I understood, the Serial port will be on USB by default. And on Serial1 by Default if unplugged. So this blocks my device (HM10). So I would like to set to USB or Serial2. I could not get it to work. I ll check later on it.

  Serial=Serial1
  Serial.setup(9600);
  Serial.on('data', function (data) {
    console.log(data);
    if (data==='1'){
      LED1.write(1);
      Serial.print("test\n");
    }
    if (data==='0'){
      LED1.write(0);
    }
    if (data==='d'){
      LED2.write(1);

      Serial.print("sensor: t="+temp_act+", p="+press_act+", h="+hum_act);
      LED2.write(0);

    }

[espruino-discuss]

Posted at 2017-06-07 by sp33c

I expected a Serial2.setConsole(true) should help, however this results in :
Uncaught Error: Function "setConsole" not found!
at line 41 col 9
Serial2.setConsole(true);

[gfwilliams]

Posted at 2017-06-08 by @gfwilliams

Hi - Serial is a built-in object, so by setting it to Serial1 you're probably causing yourself a lot of trouble. Try the following:

  var serial=Serial1
  USB.setConsole(true);
  serial.setup(9600);
  serial.on('data', function (data) {
    console.log(data);
    if (data==='1'){
      LED1.write(1);
      serial.print("test\n");
    }
    if (data==='0'){
      LED1.write(0);
    }
    if (data==='d'){
      LED2.write(1);
      serial.print("sensor: t="+temp_act+", p="+press_act+", h="+hum_act);
      LED2.write(0);
    }
});

Using Serial2.setConsole should work, but I'd set Serial2 up first or it'll use the default pins. Personally I'd use USB.setConsole(true) (as above) because then the console is still available on USB for updating code.

[espruino-discuss]

Posted at 2017-06-12 by sp33c

It was my fault. The declination outside of init Serial=Serial1 blocked the USB.setConsole command.