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by VISWAKUMARAN
Wed Mar 12, 2014 4:04 am
Forum: Troubleshooting
Topic: PROBLEM IN RUNNING "sudo fsck"
Replies: 1
Views: 1067

PROBLEM IN RUNNING "sudo fsck"

When I tried to run "sudo fsck" manually, it throws the following results fsck from util-linux 2.20.1 e2fsck 1.42.5 (29-Jul-2012) /dev/mmcblk0p2 is mounted. e2fsck: Cannot continue, aborting. How to fix this problem... :?: Before this I met with an error saying "UNEXPECTE4D INCONSISTE...
by VISWAKUMARAN
Wed Feb 12, 2014 6:57 am
Forum: General programming discussion
Topic: Editing Image file
Replies: 1
Views: 659

Editing Image file

Hello friends, I have a python code to conditionally force the os to get halt which was run from /etc/rc.local. The problem is whenever the RPi boots up it executes the python code and goes to a halt. I think this may be due to wrong coding. Whether it is possible to stop the python code from being ...
by VISWAKUMARAN
Mon Feb 03, 2014 9:43 am
Forum: General programming discussion
Topic: 3G DONGLE WITH RASPBERRY PI
Replies: 2
Views: 3164

3G DONGLE WITH RASPBERRY PI

I have tried to connect a 3g dongle with the RPi. Everything goes well but the internet connection exists only for sometime and got disconnected automatically... Here is the code that I have used and its results... pi@raspberrypi ~ $ sudo wvdial vodafone --> WvDial: Internet dialer version 1.61 --> ...
by VISWAKUMARAN
Thu Jan 30, 2014 12:09 pm
Forum: General programming discussion
Topic: Running a program automatically as the Raspberry pi boots up
Replies: 9
Views: 2655

Re: Running a program automatically as the Raspberry pi boot

Hello friends thanks for clarifying my doubts. It was really useful for me... I got my code running efficiently... :D I have a doubt... :| If I have to stop the program from executing after sometime and to bring the RPi to halt, is it possible to do it by using the os command sudo halt inside the py...
by VISWAKUMARAN
Mon Jan 20, 2014 1:47 pm
Forum: General programming discussion
Topic: SORTING FILES BY MODIFICATION TIME
Replies: 2
Views: 1379

Re: SORTING FILES BY MODIFICATION TIME

Thanks for clarifying me...
I will intimate you the results after trying your code...
by VISWAKUMARAN
Fri Jan 17, 2014 11:10 am
Forum: General programming discussion
Topic: SORTING FILES BY MODIFICATION TIME
Replies: 2
Views: 1379

SORTING FILES BY MODIFICATION TIME

I need to sort the files in a folder according to the modification time... The code that I have tried is given below... import os from time import sleep dir="/home/pi/PROJECT/VIDEOS/" files=os.listdir(dir) clips=len(files) list = sorted(files, key=os.path.getctime) old = list[0] The above ...
by VISWAKUMARAN
Fri Jan 17, 2014 10:58 am
Forum: General programming discussion
Topic: RTC NOT DETECTED BY RPI
Replies: 2
Views: 820

Re: RTC NOT DETECTED BY RPI

Through 5v rail...
I have tried it by using level shifter as well as without level shifter...
by VISWAKUMARAN
Thu Jan 16, 2014 11:23 am
Forum: General programming discussion
Topic: Processor loading due to video recording
Replies: 3
Views: 788

Processor loading due to video recording

I need to record videos continuously. Which will relieve the processor from loading, direct video recording or stitching images... :?:

Can anyone answer this... :?:
by VISWAKUMARAN
Thu Jan 16, 2014 9:41 am
Forum: General programming discussion
Topic: RTC NOT DETECTED BY RPI
Replies: 2
Views: 820

RTC NOT DETECTED BY RPI

The problem is whenever I tried to detect the presence of RTC (DS1307) which is connected through i2c, it returns only the EEPROM address but not the RTC's address '68'. Most of the time it gives the output as shown below... :cry: pi@raspberrypi ~ $ sudo i2cdetect -y 1 0 1 2 3 4 5 6 7 8 9 a b c d e ...
by VISWAKUMARAN
Fri Jan 10, 2014 9:17 am
Forum: General programming discussion
Topic: SERIAL COMMUNICATION PROBLEM
Replies: 3
Views: 1019

Re: SERIAL COMMUNICATION PROBLEM

Hello friends...

The problem is with the USB to RS232 cable which we used...
Now we have rectified the problem by replacing that cable.

Thanks for your reply.... (achrn & depenezic)
by VISWAKUMARAN
Fri Jan 10, 2014 5:24 am
Forum: General programming discussion
Topic: SERIAL COMMUNICATION PROBLEM
Replies: 3
Views: 1019

SERIAL COMMUNICATION PROBLEM

I have tried to transmit and receive data serially using the Tx and Rx pins of the raspberry pi. The problem is when I tried to transmit data to a virtual terminal like PC, it receives 'g' instead of '1' and 'y' for 'enter' and the same results when I tried vice versa (from PC to raspberry pi). Is t...
by VISWAKUMARAN
Thu Jan 09, 2014 5:11 am
Forum: General programming discussion
Topic: GSM MODULE WITH RASPBERRY PI
Replies: 2
Views: 2021

Re: GSM MODULE WITH RASPBERRY PI

Thank you my friend...

Now I can send text using minicom through 3G Huawei Dongle...
I replaced GSM module with Huawei Dongle as it is easy to interface without any additional circuits...
by VISWAKUMARAN
Tue Jan 07, 2014 8:47 am
Forum: Troubleshooting
Topic: Raspberry pi reboots automatically
Replies: 2
Views: 534

Re: Raspberry pi reboots automatically

Thanks for your reply...

I have replaced the power supply with 2amps rated one...
Now its working without any problem...
by VISWAKUMARAN
Mon Jan 06, 2014 11:04 am
Forum: General programming discussion
Topic: GPIO LIBRARY ERROR
Replies: 4
Views: 3575

Re: GPIO LIBRARY ERROR

Thank you croston I got my code working...
Actually python3-pip was not installed...
That's the problem...

Thank you very much...
by VISWAKUMARAN
Mon Jan 06, 2014 7:14 am
Forum: General programming discussion
Topic: GSM MODULE WITH RASPBERRY PI
Replies: 2
Views: 2021

GSM MODULE WITH RASPBERRY PI

Can anyone tell me the procedure for sending AT commands to a GSM module from the Raspberry pi... Also I want to know the circuit connections that are required for establishing the connection...
by VISWAKUMARAN
Mon Jan 06, 2014 5:26 am
Forum: General programming discussion
Topic: GPIO LIBRARY ERROR
Replies: 4
Views: 3575

GPIO LIBRARY ERROR

I tried to run an event handling program using raspberry pi debian. Whenever I tried to execute the code it throws an error like this: pi@raspberrypi ~/PROJECT/GPIO $ sudo python event_handler.py Traceback (most recent call last): File "event_handler.py", line 8, in <module> GPIO.add_event...
by VISWAKUMARAN
Fri Jan 03, 2014 5:29 am
Forum: Troubleshooting
Topic: Raspberry pi reboots automatically
Replies: 2
Views: 534

Raspberry pi reboots automatically

I tried the video recording command "raspivid -o video.h264 -t 10000". Whenever I use this command the raspberry pi automatically reboots. I dont know why... :!: Is this due to any hardware incompatability... :?: But I am using the raspberry pi camera module... Can anyone help me to solve ...
by VISWAKUMARAN
Thu Jan 02, 2014 10:50 am
Forum: General programming discussion
Topic: Running a program automatically as the Raspberry pi boots up
Replies: 9
Views: 2655

Re: Running a program automatically as the Raspberry pi boot

Thank you for your reply... Can you please tell me how should I call the "Image.py" file (which contains the codes that must be executed as soon as the raspi boots up) from the "/etc/rc.locale"...???

Please send me a sample code...

Thank you shuckle...
by VISWAKUMARAN
Thu Jan 02, 2014 5:06 am
Forum: Troubleshooting
Topic: INSTALL I2C TOOLS
Replies: 1
Views: 2510

INSTALL I2C TOOLS

I have followed the instruction as mentioned in the website 'skpang.co.uk/blog/archives/575' for installing i2c tools, but when i tried to install it using the command "sudo apt-get install i2c-tools" it throws the following error "unable to locate i2c files" Can anyone tell me a...
by VISWAKUMARAN
Tue Dec 31, 2013 11:45 am
Forum: General programming discussion
Topic: Running a program automatically as the Raspberry pi boots up
Replies: 9
Views: 2655

Running a program automatically as the Raspberry pi boots up

I just programmed the raspberry pi to capture & save images at certain regular interval. I need to know whether it is possible to run a particular program automatically whenever the raspberry pi completes booting (i.e. raspberry pi is switched 'on') without requesting any login id or password...
by VISWAKUMARAN
Mon Dec 30, 2013 5:29 am
Forum: Troubleshooting
Topic: Cant run GUI using the command "startx"
Replies: 2
Views: 5755

Re: Cant run GUI using the command "startx"

Thanks Richard, I forgot to enable X11 forwarding in ssh.
by VISWAKUMARAN
Sun Dec 29, 2013 10:16 am
Forum: Troubleshooting
Topic: Cant run GUI using the command "startx"
Replies: 2
Views: 5755

Cant run GUI using the command "startx"

After booting up the raspberry pi screen in my laptop monitor everything is fine until I found that the startx command results the following error... :!: I dont know whether any additional module is required to run the GUI. :idea: Also I need to know whether it is possible to get access to the inter...
by VISWAKUMARAN
Sun Dec 29, 2013 9:39 am
Forum: Beginners
Topic: Can't get into GUI
Replies: 1
Views: 459

Can't get into GUI

As per the guidelines given in the Getting started guide, I have formatted the SD card and then used Raspbian Image to boot the raspberry pi. I got access to the raspberry pi's desktop on my laptop screen using the softwares "PuTTY" and "Xming". As I have used the network port fo...

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