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EV3 datalog

Moderators: mightor, starwarslegokid, miki

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EV3 datalog

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GuuTarE

Rookie

Joined: Thu Jun 25, 2015 1:37 am
Posts: 4

EV3 datalog

Hello,
For datalogTest of EV3, when I run a code such as the following about ten times or increase the number of iterations, 'Failure Reading brick status more' displayed at the left edge of the screen　and　EV3 freezes.


	Code: task main() { if (!datalogOpen(0, 4, false)) writeDebugStreamLine("Unable to open datalog"); for (int i = 0;i < 2; i++) { datalogAddChar(0, 1 + i); datalogAddShort(1, 9000 + i); datalogAddLong(2, 2388738 + i); datalogAddFloat(3, 678.98 / (i + 1)); } datalogClose(); }

Why is this such a thing happen? Cause is not know. we are very troubled.

（Firmware:EV3　LinuxImage_107X)

Thu Jun 25, 2015 2:35 am

mightor

Site Admin

Joined: Wed Mar 05, 2008 8:14 am
Posts: 3654
Location: Rotterdam, The Netherlands

Re: EV3 datalog

Hey there,

Here's a modified robotc.so firmware file. To upload the new ROBOTC firmware, perform the following steps:
Set the menu level to "Expert" by navigating to the Window menu and click on "Menu Level": https://imgur.com/DYWVTj8
Next download the custom firmware by clicking on the Choose File from the Robot->Download Firmware sub menu: https://imgur.com/VZEaiTG
Select the robotc.so file that I have included in this zip file.
Wait while the file is loaded onto your brick (should not take long)

Regards,
Xander


	Attachments: librobotc.zip [68.5 KiB] Downloaded 404 times

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Sat Jun 27, 2015 9:36 am

GuuTarE

Rookie

Joined: Thu Jun 25, 2015 1:37 am
Posts: 4

Re: EV3 datalog

Thanks for your response.

Like you said, I uploaded the new ROBOTC firmware. However, the problem wasn't solved.
There is no change. Is there anything else that I have to improve? :crying:

Tue Jun 30, 2015 1:56 am

mightor

Site Admin

Joined: Wed Mar 05, 2008 8:14 am
Posts: 3654
Location: Rotterdam, The Netherlands

Re: EV3 datalog

I assume you are using ROBOTC 4.32? If not, you must upgrade first, install the 1.07X Linux kernel and then the firmware I gave you.

= Xander

Tue Jun 30, 2015 2:16 am

GuuTarE

Rookie

Joined: Thu Jun 25, 2015 1:37 am
Posts: 4

Re: EV3 datalog

Yes,I'm using ROBOTC 4.32(F/W:10.32)

OS:Windows 7 Enterprise(JPN)
Region and Language:English

Tue Jun 30, 2015 2:43 am

mightor

Site Admin

Joined: Wed Mar 05, 2008 8:14 am
Posts: 3654
Location: Rotterdam, The Netherlands

Re: EV3 datalog

I am sorry but with the new librobotc.so, I cannot reproduce your issue. Could you please try uploading the new firmware again and make sure you use the librobotc.so that I attached to the previous post?

= Xander

Tue Jun 30, 2015 3:17 am

GuuTarE

Rookie

Joined: Thu Jun 25, 2015 1:37 am
Posts: 4

Re: EV3 datalog

Hi

I have just solved the problem!!笑
I installed 1.07X Linux kernel and uploaded firmware again.

Thank you

HAHAHA

Wed Jul 01, 2015 9:41 pm

mightor

Site Admin

Joined: Wed Mar 05, 2008 8:14 am
Posts: 3654
Location: Rotterdam, The Netherlands

Re: EV3 datalog

I am very glad to hear that! Thank you for letting me know

= Xander

Thu Jul 02, 2015 1:23 am

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