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Ask an Expert Forum Ethernet Shield Heat-up Issue - Need Help
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Ethernet Shield Heat-up Issue - Need Help

ramguna84
ramguna84 over 10 years ago

Sir,

 

We interfaced Ethernet Shield with PSoC4 Pioneer Kit and executes the Project#31 example code (after following the mentioned guidelines). The observations are:

1. Connected USB cable to PSoC4 Board for Power both boards (PSoC and Shield): We were unable to ping with IP address.

2. Connected 12VDC (1mA) adapter to Shield for power both boards: We were able to PING with Shield and run the program (LED blinks on network command (Only once)). But....boards were heated-up. After some time we unplug the power and re-tried the same but we were able to only PING and got the web page; not the LED blink response. We repeated the same but the observation is same.

 

Please suggest us to sort out the heating issue and get the consistent response.

Suggest us the ways to power-up the boards.

 

Regards,

SG Ramanathan - MTech Student

National Institute of Technology (NIT) Calicut

Kerala

India

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  • mudz
    0 mudz over 10 years ago

    Greetings,

    How did you powered both kits? As I can see in manual both kits operating voltage is 5v, so how did you powered it with 12v(1A????).
    It is possible that your led's might be burned up due to excess of voltage and also that explains heating issue ! But again if this is the case how is your board still working(as you mentioned you can ping it).

    Power it using any 5VDC supply or you can use 5v voltage regulator like LM7805(LM317 also). It can easily convert 12v (1A) to 5v regulated supply.

    Good Luck image

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  • ramguna84
    0 ramguna84 over 10 years ago in reply to mudz

    Sir,

     

    Thanks for quick response. I will try it with 5VDC and get back to you.

     

    For sack of clarity on last question; component used and how we connected are detailed and attached for your reference which may help for your investigate and help us in positive direction. Please refer the attachment.

    After two modes of powering (USB and 12VDC) then we tried our simple LED blink program for LED check (only with PSoC4 ) It works. No burned of LED.

     

    Please suggest.

    Attachments:
    imageSupportive document.pdf
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  • ramguna84
    0 ramguna84 over 10 years ago in reply to mudz

    Sir,

     

    I haven't read the Ethernet board manual yet, but the cable works well (that i verified). Image i shown is only for reference (not one to one pins) but we connected as per the labeling/pin numbers on boards. Once again i verify the Ethernet cable.

    Pins from PSoC board to Ethernet Shield:

    P3.4 to ETH_CS

    P3.0 to MOSI

    P3.1 to MISO

    P0.6 to SCK

    P0.7 (No connection)

    P0.0 to SD_CS

    Detect and WP --> Ignored

    Reset to Reset

    5V to 5V.

    GND to GND

     

     

     

    Thanks.  

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  • mudz
    0 mudz over 10 years ago in reply to ramguna84

    Why haven't you read the manual? It is the first thing to do before posting problems in forums. image
    I think you should read manual and try to debug it yourself first.

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  • Robert Peter Oakes
    0 Robert Peter Oakes over 10 years ago in reply to ramguna84

    If your still trying to use the Arduino Ethernet and the PSOC together you need to STOP. They won’t play well because there both including the micro-controller and you will only get frustrated and possibly damage one or the other boards. Read my previous response for the pictures of the two boards, look them up on the Arduino site and you will understand better what I am saying

     

     

     

    You need to use an “Ethernet Shield” NOT an “Arduino Ethernet” they are very different

     

    Peter

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  • mudz
    0 mudz over 10 years ago in reply to ramguna84

    ramanathan Any Success?

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  • ramguna84
    0 ramguna84 over 10 years ago in reply to mudz

    Sir,

     

    First of all thanks for pointing out the right mistakes at right time. Actually, we are getting it replaced with actual shield by one or two days to re-start the work.

    Meanwhile we are studying for SDcard interface in the same shield once we receive. Our project design is demanding both interfaces (SD Card and Ethernet ) using the same shield.

     

    If have any references to kick start the SD Card interface in that shield, you can share with us, it would be useful for us. Thanks.

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  • ramguna84
    0 ramguna84 over 10 years ago in reply to mudz

    Sir,

     

    Good news. I had successfully interfaced Ethernet Shield today and works well except one observation that LED ON & OFF for each color worked only once (one cycle) when i retried for LED ON-OFF through web server, no response on LED. I tried re-programming, resetting boards, etc., but same response. If you have any advice please tell us. Thanks.

     

    Can you advice or refer any portal to inetrface the SD Card libraries along with this Ethernet project so that i can make use of both microSD Card and Ethernet interfaces in single project. Please advise.

     

    Ramanathan SG

    MTech Student.

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  • Robert Peter Oakes
    0 Robert Peter Oakes over 10 years ago in reply to ramguna84

    Post your code and well have a look at it for you

     

    Peter

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  • ramguna84
    0 ramguna84 over 10 years ago in reply to Robert Peter Oakes

    Sir,

     

    This is the demo example code as is from Project#31 of Element14. No Change made, interfaced to check the basic mode of ethernet. Thanks.

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  • Robert Peter Oakes
    0 Robert Peter Oakes over 10 years ago in reply to ramguna84

    Unfortunately I do not have the PSOC board to test this, there may be another member that could though so be patient and perhaps someone else could advise

     

    My only advise assuming the original DEMO'S from Project #31 are good it to re-do everything in detail in case you missed something or made a type

     

    Not saying you did and you may have done this already but I cant think of anything else to suggest at this point

     

    Peter

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  • ramguna84
    0 ramguna84 over 10 years ago in reply to Robert Peter Oakes

    Sir,

     

    I had successfully tested SD card and Ethernet function independently, while merging the functionalists i got few gcc error mentioned below:

    .\main.cpp:261:32: error: invalid conversion from 'unsigned char*' to 'char*' [-fpermissive]

    The command 'arm-none-eabi-gcc.exe' failed with exit code '1'.

     

    Please suggest me to resolve this errors. I am attaching the build files.

     

    Ramanathan SG.

    MTech Student

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  • ramguna84
    0 ramguna84 over 10 years ago in reply to Robert Peter Oakes

    Sir,

     

    I had successfully tested SD card and Ethernet function independently, while merging the functionalists i got few gcc error mentioned below:

    .\main.cpp:261:32: error: invalid conversion from 'unsigned char*' to 'char*' [-fpermissive]

    The command 'arm-none-eabi-gcc.exe' failed with exit code '1'.

     

    Please suggest me to resolve this errors. I am attaching the build files.

     

    Ramanathan SG.

    MTech Student

    Attachments:
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