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  1. Re: Testing a GSM module via Mecanique's Serial Communicator - "terminator" issue?

    Finally I found the module and time to test the SIM900 board.

    Unfortunatelly, while on Power up the module sends what is expected to send, it does not respond to the commands I send.

    Tried any...
  2. Re: 2G, 3G and 4G - how do I determine what my module is capable of?

    The speeds of each protocol are these:


    LTE

    Uplink up to 50Mbps
    Downlink up to 100Mbps

    HSPA+
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    Re: 12F683 Light Dimmer Problem (SOLVED)

    Nice catch Jerson!

    Ioannis
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    Re: 12F683 Light Dimmer Problem (SOLVED)

    I see you have corrected the image, right?

    Ioannis
  5. Thread: Serial Sharing

    by Ioannis
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    Re: Serial Sharing

    Depends on the driver. But does no harm to have a high-ish value, say of 10K just to fix a space condition on the serial bus.

    Ioannis
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    Re: Unable to execute MPASMX

    It seems that they rely on MPLBX: https://www.sfcompiler.co.uk/wiki/pmwiki.php?n=SwordfishUser.SystemConvert but is a good option now they support it again.

    As for the MikroE, previous versions...
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    Re: Unable to execute MPASMX

    Henrik, no one denied the paid new update to PBP. The problem is that Melabs is Charles and Charles is working somewhere, not at Melabs as his day job.

    So this update think will take more time to...
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    Re: Unable to execute MPASMX

    Comforting what Mike post but you can't disagree the PBP evolution seems to be on Auto-Pilot...

    I 'm still using the compiler and probably will be using it as long as the chips I select are...
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    Re: Unable to execute MPASMX

    After Mikes post on Melabs about Melabs I doubt...

    Too pity!

    Ioannis
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    Re: Unable to execute MPASMX

    Henrik, if the compiler does not support the new PIC's there is no point in updating to new MPLABX assembler, right?

    Ioannis
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    Re: Unable to execute MPASMX

    If the .lst file is different now (in the MPLABX IDE environment) for sure there would be no compatibility...

    But if the change in the name is the problem, maybe the pic-as.exe can be renamed and...
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    Re: good story about Microchip

    I agree about that Mike. Have positive feelings about Renesas also despite the fact I will not use their MCU.

    https://www.renesas.com/eu/en/products/microcontrollers-microprocessors/rl78.html
    ...
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    Re: good story about Microchip

    Well, that is amazing, isn't it?

    Ioannis
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    Re: How to prevent variable going below zero?

    If you mean a compiler problem, no. It is not.

    If you mean how binary arithmetic works, yes. That is how you count, add or subtract in binary having byte, word or other size variables. In any case...
  15. Re: Testing a GSM module via Mecanique's Serial Communicator - "terminator" issue?

    You are right.I missed that.

    Well, I don't know what is wrong. I remember once, was testing on a SIM900 module with no problems on this. Sure a CR was needed to terminate the command.

    For a...
  16. Re: Testing a GSM module via Mecanique's Serial Communicator - "terminator" issue?

    Do you have other terminal program to test? My suspicions fall on MCSP serial communicator.

    Ioannis
  17. Re: Testing a GSM module via Mecanique's Serial Communicator - "terminator" issue?

    I never faced such a problem with SIMcom modules.

    CR is the necessary for line or command termination. LF does not that...

    Are absolutely sure you send out LF instead of CR?

    Ioannis
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    Re: How to prevent variable going below zero?

    Well, thanks for checking out. Wow!

    Ioannis
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    Re: How to prevent variable going below zero?

    You are absolutely right! I do not trust that this may be the case for any PIC though.

    Ioannis
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    Re: How to prevent variable going below zero?

    I like it how a simple logic problem CuriousOne had, lead to another topic with negative numbers and STATUS register!

    Quite interesting!

    Ioannis
  21. Re: Testing a GSM module via Mecanique's Serial Communicator - "terminator" issue?

    You are welcome!

    Ioannis
  22. Re: Testing a GSM module via Mecanique's Serial Communicator - "terminator" issue?

    To add on Richard's post, if you insist on using the Serial Communicator, Help says this:

    Parse Control Characters

    When enabled, the parse control characters option enables you to send control...
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    Re: How to prevent variable going below zero?

    1. tumbleweed caught one problem in your code.

    2. The variable I is altered some where? What check are you making ensuring it will not get a value to lead in negative results doing a -5...
  24. Re: Testing a GSM module via Mecanique's Serial Communicator - "terminator" issue?

    When you type AT 13 (without the comma), the terminal will send 4 sequence of the ASCII equivalent (in decimal): 65 84 49 51. This is not what you want, right?

    You want the number 13 be sent, not...
  25. Re: 16F887 - PORT pins interfere with each other when set high/low

    Not enough. If you want it as digital in then you have to reset the appropriate bits in ANSEL/ANSELH.

    Ioannis
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