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Editorial Team
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Asked: 2026-05-15T10:45:46+00:00

I’m using a DSP to control a sensorless brushless DC motor, The DSP is

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I’m using a DSP to control a sensorless brushless DC motor, The DSP is on a board which has a parallel port and a jtag connection (it’s an eZdspTMS320F2812). What would be the best way to communicate between a PC application and the DSP as it was running? Ideally I’d like to have a GUI program with buttons like start, stop, accelerate, decelerate… but I’ve never done anything like that before. Which ports and method would be easiest to use?
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  1. Editorial Team

    You can also use simple RS232 communications. I use always because it`s cheap and easy to implement.

    The RS232 transceivers are very cheap (like MAX232 from Maxim-IC), and easy to use. Also they come in many packages like DIP or SOIC for example and can be found almost every electronic shop.

    You can use any USART from your microcontroller to link with MAX232. Then, using a PC serial-usb converter (or if your PC does have a serial port it`s easier), you can use serial port programming from any programming language to develop your desktop application.

    After that, all you have to do is create a protocol to exchange data between your PC programm and your DSP (some simple commands to start, stop and change motor direction for example).

    Good luck in your project.

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