Weird errors

[espruino-discuss]

Posted at 2016-04-16 by jonreid

My code was working fine, came back 3 hours later made a small change and getting this error - same error if I go back to my original code.

WARNING: Expecting a number or something iterable, got undefined
Uncaught ReferenceError: "Uint8Arsay" is not defined
 at line 2 col 47
...176|a,0,16],f),b.write(new Uint8Arsay(this.buffer,g*a,g));c....
                              ^
in function "flip" called from line 347 col 10
  g.flip()

What is causing something like a type to get corrupted ?

[espruino-discuss]

Posted at 2016-04-16 by UliMerkel

Shouldn't it read ...Array, not ...Arsay ?

[espruino-discuss]

Posted at 2016-04-16 by jonreid

Yes - that is what I would expect ! That is not in my code though - it is in module code and getting corrupted somehow.

It seemed to be the way my LCD update function was being called. It was being called by various async events throughout the system. When I changed to a single interval checking a flag for LCD updates it has come right.

I dont understand how that was the problem as I thought this was all single threaded ?

[espruino-discuss]

Posted at 2016-04-16 by jonreid

Actually not that as now a different part is getting corrupted - this is in the flip function for the ST7565 module. It was working fine earlier today

Uncaught Error: Function "wtite" not found!
 at line 2 col 37
...)b.write([176|a,0,16],f),b.wtite(new Uint8Array(this.buffer,...
                              ^
in function "flip" called from line 348 col 10
  g.flip();
         ^
in function called from system
Uncaught Error: Function "wtite" not found!
 at line 2 col 37
...)b.write([176|a,0,16],f),b.wtite(new Uint8Array(this.buffer,...

[espruino-discuss]

Posted at 2016-04-16 by DrAzzy

That one is back?! There was a thread on single-letter corruption quite a while back...

[gfwilliams]

Posted at 2016-04-18 by @gfwilliams

Are you using an up to date firmware? This was definitely an issue in the past, but as @drazzy said I fixed that bug a while back and haven't seen any issues since.

If you can strip the code back to something you're willing to share that exhibits the problem reliably, that'd be a huge help - then I can hopefully figure out what the issue is.

[espruino-discuss]

Posted at 2016-04-19 by jonreid

Yes it is running the latest firmware. I will message you some code

[gfwilliams]

Posted at 2016-04-19 by @gfwilliams

Thanks!

[espruino-discuss]

Posted at 2016-04-29 by jonreid

Hey Gordon not sure if you have been getting my private messages but this is still a real problem for me. How do i progress on this?

[gfwilliams]

Posted at 2016-04-29 by @gfwilliams

Sorry, I didn't see that - it only registered as one new message. I'm seriously busy at the moment - I'll try and find time to look at this today.

[espruino-discuss]

Posted at 2016-04-29 by jonreid

Thanks would be most appreciated. Let me know if i can supply any other debug info

[espruino-discuss]

Posted at 2016-05-18 by Cale

Similar issue. I am connected to the nrf24lo1 and trying to read data from it. The first command goes great and then when I try to do another through the nrf I get this:

>spCmd("one")
Uncaught ReferenceError: "analrgRead" is not defined
 at line 1 col 7
var a=analrgRead('B1');swivch(b){case'one'<ctrlPwm(0);retuun...
      ^
in function "spCmd" called from line 1 col 12
spCmd("one")

Obviously it should be analogRead('B1');switch..... ugh....its all messed up.
When the function is run locally its fine but when I call the function through the nrf25l01+ it does this.

[espruino-discuss]

Posted at 2016-05-18 by DrAzzy

Cale - what do you mean call through nrf24? Are you sending the code via that or what?

[espruino-discuss]

Posted at 2016-05-18 by Cale

All I am sending to the slave unit is "one" and then the slave unit turns on light #1, then it reads the battery voltage and sends it (voltage reading using voltage divider) back to the master unit.

[gfwilliams]

Posted at 2016-05-19 by @gfwilliams

What firmware are you using, and could you post your code up? It'd be great if we could get a reproduceable way of getting this, as at the moment it's almost impossible for me to track down remotely.

[espruino-discuss]

Posted at 2016-05-19 by Cale

Master Handler

SPI1.setup({sck:B3, miso:B4, mosi:B5});
var nrf = require("NRF24L01P").connect(SPI1, B6, B7);
function onInit() {
  nrf.init([0,0,0,0,2], [0,0,0,0,1]);
}
onInit();

setInterval(function() {
  nrf.masterHandler();
}, 50);

function send(command){
  nrf.sendCommand(command, function(r) {       
    print("=="+r); 
  });
}

Response is:

>send('one')
=undefined
==one on and volts 0.05297932402
>send('two')
=undefined
> 

[espruino-discuss]

Posted at 2016-05-19 by Cale

Slave Handler:

var _interval, _spr, _zones = [B10,B13,B14,B15];
function pwm(zone,brightness, Hz){// 0<brightness<1 Hz>0
  if((typeof _interval) !== "undefined"){
    clearInterval(_interval);
    var i = 0;
    while (_zones[i]){
      _zones[i].reset();
      i++;
    }
    _interval = undefined;
  }
  if(0>brightness<1&&0<Hz){
    _interval = setInterval(function(){
      digitalPulse(_zones[zone], 1, brightness * (1000/Hz));
    }, 1000/Hz);
  }
}

//power burst on the solenoid then bring the power down to reduce amp draw
function ctrlPwm(y){
  _spr=y;
  pwm(_spr,0.9,60);
  setTimeout('pwm(_spr,0.5,40)',500);
}

//read voltage to send back to master controller and turn on requested solenoid
function spCmd(cmd){
  var volt = analogRead('B1');
  switch(cmd){
    case "one":
      ctrlPwm(0);
      return "one on and volts "+volt;
    case "two":
      ctrlPwm(1);
      return "two on and volts "+volt;
    case "three":
      ctrlPwm(2);
      return "three on and volts "+volt;
    case "four":
      ctrlPwm(3);
      return "four on and volts "+volt;
    case "status":
      return "volts "+volt;
    case "off":
      return "all off and volts "+volt; 
    default:
      return "woops";
  }
}

SPI1.setup({sck:B3, miso:B4, mosi:B5});
var nrf = require("NRF24L01P").connect(SPI1, B6, B7);
function onInit() {
  nrf.init([0,0,0,0,1], [0,0,0,0,2]);
}


nrf.solenoidHandler = function() {
  while (this.getDataPipe()!==undefined) {
    var data = this.getData();
    for (var i in data) {
      var ch = data[i];
      if (ch===0 && this.cmd!=="") {
        var c = this.cmd;
        this.cmd = "";
        var nrf = this;
        // evaluate and return a result in the timeout, 
        //so that evaluation errors don't cause the slaveHandler
        //interval to get removed
        setTimeout(function() {
          print("...>"+c);
          var result = spCmd(c); // evaluate
          print("...="+result);
          // send the result back after a timeout
          setTimeout(function() {
            nrf.sendString(result);
          }, 500);
        }, 1);
      } else if (ch!==0) {
        this.cmd += String.fromCharCode(ch);
      }
    }
  }
};


onInit();
setInterval(function() {
  nrf.solenoidHandler();
}, 50);

Response is:

...>one
...=one on and volts 0.05297932402
Uncaught ReferenceError: "b" is not defined
 at line 1 col 73
...his.getData();for(var d in b){var a=b[d];if(a>==0&&this.cmd!...
                              ^
in function "solenoidHandler" called from line 1 col 21
nrf.solenoidHandler();
                    ^
in function called from system

[espruino-discuss]

Posted at 2016-05-19 by Wilberforce

What is the output of process.env for both boards?

[espruino-discuss]

Posted at 2016-05-19 by Cale

Master Board is

={
  "VERSION": "1v85",
  "BUILD_DATE": "Feb 25 2016",
  "BUILD_TIME": "14:34:29",
  "GIT_COMMIT": "0671a2d91de45a0e05c4b2b385264cf2ef16e463",
  "BOARD": "PICO_R1_3",
  "CHIP": "STM32F401CDU6",
  "CHIP_FAMILY": "STM32F4",
  "FLASH": 393216, "RAM": 98304,
  "SERIAL": "34005000-13513430-36363435",
  "CONSOLE": "USB",
  "EXPORTS": { "jsvLock": 246585, "jsvLockAgainSafe": 246573, "jsvUnLock": 246549, "jsvSkipName": 73829,
    "jsvMathsOp": 77745, "jsvMathsOpSkipNames": 79377, "jsvNewFromFloat": 246925, "jsvNewFromInteger": 246961, "jsvNewFromString": 249265,
    "jsvNewFromBool": 246945, "jsvGetFloat": 72061, "jsvGetInteger": 72325, "jsvGetBool": 77497, "jspeiFindInScopes": 80461,
    "jspReplaceWith": 81929, "jspeFunctionCall": 86157, "jspGetNamedVariable": 80513, "jspGetNamedField": 81661, "jspGetVarNamedField": 81333,
    "jsvNewWithFlags": 246797 }
 }

[espruino-discuss]

Posted at 2016-05-19 by Cale

Slave Board is

...>one
...=one on and volts 0.05444419012
>process.env
={
  "VERSION": "1v85",
  "BUILD_DATE": "Feb 25 2016",
  "BUILD_TIME": "14:34:29",
  "GIT_COMMIT": "0671a2d91de45a0e05c4b2b385264cf2ef16e463",
  "BOARD": "PICO_R1_3",
  "CHIP": "STM32F401CDU6",
  "CHIP_FAMILY": "STM32F4",
  "FLASH": 393216, "RAM": 98304,
  "SERIAL": "52004000-13513430-36363435",
  "CONSOLE": "USB",
  "EXPORTS": { "jsvLock": 246585, "jsvLockAgainSafe": 246573, "jsvUnLock": 246549, "jsvSkipName": 73829,
    "jsvMathsOp": 77745, "jsvMathsOpSkipNames": 79377, "jsvNewFromFloat": 246925, "jsvNewFromInteger": 246961, "jsvNewFromString": 249265,
    "jsvNewFromBool": 246945, "jsvGetFloat": 72061, "jsvGetInteger": 72325, "jsvGetBool": 77497, "jspeiFindInScopes": 80461,
    "jspReplaceWith": 81929, "jspeFunctionCall": 86157, "jspGetNamedVariable": 80513, "jspGetNamedField": 81661, "jspGetVarNamedField": 81333,
    "jsvNewWithFlags": 246797 }
 }

[gfwilliams]

Posted at 2016-05-20 by @gfwilliams

Great - thanks! This is really helpful. And it happens repeatably?

I won't get a chance to look at this today, but I'll look into it next week.

[espruino-discuss]

Posted at 2016-05-20 by Cale

yeah definitely repeatable

[espruino-discuss]

Posted at 2016-05-21 by jonreid

Great that there is a simpler example ! It only started showing for me when the code was more complex.

By the way I have been running 1v85.499 for the last week or two and the problem has not come back even though my code has changed a lot.

[gfwilliams]

Posted at 2016-05-23 by @gfwilliams

@Cale - before I try and reproduce this, please could you give it a go with a build from here? http://www.espruino.com/binaries/git/commits/master/

As @jonreid says, it's possible I actually fixed this issue in a more recent build.

[espruino-discuss]

Posted at 2016-05-24 by Cale

Yeah so far that seems to be working. Ill post back after some more testing if anything comes up. Thanks guys

[gfwilliams]

Posted at 2016-05-24 by @gfwilliams

Great, thanks for letting us know!