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Hyperterminal & USB

Catwell

I normally use Hyperterminal in Windows to connect to micro-controllers via RS232 for communication. A new project I will be working on, I want to do away with the serial or parallel RS232 connection for USB. But, I am not sure if Hyperterminal will work with USB, and if it doesn't, is there a program I could use with USB?

 

The goal is for the user to communicate with and change setting in a micro-controller. Changing PID loop parameters, port settings, duty cycle, etc.

 

I appreciate the help, in advance.

 

Cabe

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  • 0

    Hi Cabe,

     

    I have never used Paralell to USB converter but i use Serial To USB converters to configure Switches in the campus via Hyper Terminal program. I also used a few other Terminal programs and i have never faced any problem. But i can not say the same thing with the converters theirselves. They may be a big pain in xxx.

     

    Firat,

  • 0 in reply to firatkocak

    Hi Cabe,

     

    most of user will use USB to UART converter and on more solutuion is use virtual USB driver software so that USB can detect as a UART.

     

    Virtual COM port driver allows your PC to recognize and communicate with the remote target as a COM port regardless the under-layer hardware connection between the PC and target system.

     

    please check below link for USB virtual COM port application.

     

    http://www.nxp.com/documents/application_note/AN10420.pdf

     

    regards

     

    suresh

     

     
  • 0 in reply to suresh

    Hi,


    There are several ways to do COM PORT emulation.


    However, my own trainer's experience is that Hyperterminal has some BIG issues when used together with USB <==> RS232 adapters (COM port emualation in the "bridge" function).

    In some cases, Hyperterminal will simply give the following message : "CANNOT OPEN COM PORT"...

    In fact it has NOTHING to see with the COM PORT. If you use another terminal software like Teraterm v4.66  (there are hundreds free terminal SW in internet), it will immediately open the COM PORT !!!

    Please note also that Hyperterminal has been removed from VISTA &/or Windows Seven...


    1/ using a simple USB <==> UART converter chip like MCP2200

    Some utility enable configuration of the some I/Os and registers on this chip

    A small development kit enables immediate development

    Note that because most adapters use the CDC class, driver installation will be necessary on PC side!!! (not so nice for end user)


    2/ to reduce the Bill Of Material, use a simple sub-dollar 8bits microcontroller with USB on-chip like PIC18F13K50/PIC18F14K50.

    This implies microcontroller SW development but as a result, the BOM will be reduced from 1uC + 1 converter to simply 1uC


    3/ Some "clever" company like HEXWAX, has developed a range of products including harware + software to ease control/command of environnement : http://www.hexwax.com/products.aspx

    The best feature of their products, to my viewpoint is that they use HID class image  which means NO driver installation AND it can operate on all platforms (Linux, MAC, Windows) because this HID class is supported at OS level.

     

     

    regards

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  • 0 in reply to suresh

    Hi,


    There are several ways to do COM PORT emulation.


    However, my own trainer's experience is that Hyperterminal has some BIG issues when used together with USB <==> RS232 adapters (COM port emualation in the "bridge" function).

    In some cases, Hyperterminal will simply give the following message : "CANNOT OPEN COM PORT"...

    In fact it has NOTHING to see with the COM PORT. If you use another terminal software like Teraterm v4.66  (there are hundreds free terminal SW in internet), it will immediately open the COM PORT !!!

    Please note also that Hyperterminal has been removed from VISTA &/or Windows Seven...


    1/ using a simple USB <==> UART converter chip like MCP2200

    Some utility enable configuration of the some I/Os and registers on this chip

    A small development kit enables immediate development

    Note that because most adapters use the CDC class, driver installation will be necessary on PC side!!! (not so nice for end user)


    2/ to reduce the Bill Of Material, use a simple sub-dollar 8bits microcontroller with USB on-chip like PIC18F13K50/PIC18F14K50.

    This implies microcontroller SW development but as a result, the BOM will be reduced from 1uC + 1 converter to simply 1uC


    3/ Some "clever" company like HEXWAX, has developed a range of products including harware + software to ease control/command of environnement : http://www.hexwax.com/products.aspx

    The best feature of their products, to my viewpoint is that they use HID class image  which means NO driver installation AND it can operate on all platforms (Linux, MAC, Windows) because this HID class is supported at OS level.

     

     

    regards

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