Today i tried to use another GPS module. With the same program i get the data as expected with the new module.
One strange thing that is happening in hardware is that the SD card after some writes tend to fail. When i say fail i mean that the original txt file is corrupted and it can not be accessed from the program any more. Moreover, strange folders with random names of an unknown characters are appear in the SD card and cannot be deleted from the PC.
I run the simulation in FC7 of the program and it seems to work very smooth. All the incoming serial data is processed correctly and stored in a txt file as expected.
Any idea why this is happening?
Regards
George
FAT SD Card Data Logger
Moderator: Benj
-
Benj
- Matrix Staff
- Posts: 15312
- Joined: Mon Oct 16, 2006 10:48 am
- Location: Matrix TS Ltd
- Has thanked: 4803 times
- Been thanked: 4314 times
- Contact:
Re: FAT SD Card Data Logger
Hi George,
Are you running Flowcode v7.3 and have you applied the fixes listed here?
https://matrixtsl.com/mmforums/viewtopi ... 63&t=19743
If you have then you could try loading the project into Flowcode v9 and see if that solves the problem for you. If it has then I can compare the component files and see if anything jumps out.
Are you running Flowcode v7.3 and have you applied the fixes listed here?
https://matrixtsl.com/mmforums/viewtopi ... 63&t=19743
If you have then you could try loading the project into Flowcode v9 and see if that solves the problem for you. If it has then I can compare the component files and see if anything jumps out.
Regards Ben Rowland - MatrixTSL
Flowcode Product Page - Flowcode Help Wiki - Flowcode Examples - Flowcode Blog - Flowcode Course - My YouTube Channel
Flowcode Product Page - Flowcode Help Wiki - Flowcode Examples - Flowcode Blog - Flowcode Course - My YouTube Channel
-
George_B
- Posts: 128
- Joined: Wed Jul 04, 2012 11:21 pm
- Location: Greece
- Has thanked: 51 times
- Been thanked: 19 times
- Contact:
Re: FAT SD Card Data Logger
Hi Ben and thanks for the reply!
Yes i am running the updated version of flowcode 7.3.0.7
I add some bypass capacitors on the SD card module as well as pull up resistors on the data lines and it seems to run much better now.
I will try with flowcode 9 anyway and let you know.
Regards
George
Yes i am running the updated version of flowcode 7.3.0.7
I add some bypass capacitors on the SD card module as well as pull up resistors on the data lines and it seems to run much better now.
I will try with flowcode 9 anyway and let you know.
Regards
George
-
AbhijitR
- Posts: 299
- Joined: Fri Nov 07, 2014 12:48 pm
- Location: Pune, India
- Has thanked: 280 times
- Been thanked: 79 times
- Contact:
Re: FAT SD Card Data Logger
Hello! Georg
good evening
A small input from me if it is of any help, i used your chart (FAT_Data_Logger_Simple_Slow.fcfx) from second post and it really worked good for me, no doubt i did few modifications about the execution of the steps without any problem, yes one thing is for sure need to follow the rules of speed. In my application i also tried to write the data to the micro SD card every second and that too worked good.
I have also noticed if the writing is done at high speed then also the action is not completed, so in my project initialization as well writing i am doing at low speed and again resuming fast speed for normal/other activities.
I hope this help.
Abhi
good evening
A small input from me if it is of any help, i used your chart (FAT_Data_Logger_Simple_Slow.fcfx) from second post and it really worked good for me, no doubt i did few modifications about the execution of the steps without any problem, yes one thing is for sure need to follow the rules of speed. In my application i also tried to write the data to the micro SD card every second and that too worked good.
I have also noticed if the writing is done at high speed then also the action is not completed, so in my project initialization as well writing i am doing at low speed and again resuming fast speed for normal/other activities.
I hope this help.
Abhi