Grzegorz Kaczmarek

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10 years, 4 months ago.

How to set up USBSerial

Hi all,

I wanted to take an advantage of having my LPC800-MAX board capable of communicationf with me via USBSerial. What I did is:

  1. include "mbed.h"

int main(void) { Serial pc(USBTX, USBRX); while(1) { pc.printf("test serial usb"); wait(100); }

return 0; }

but nothing happens. on COM7, where mbed serial is installed, there is no traffic at all. I also changed a speed to 9600baud ( pc.baud(9600); ) but it also didn't solved the problem.

Does anybody have USBSerial working on LPC's mbed enabled board?

best regards

1 Answer

Erik -
10 years, 4 months ago.

Did you do the required hardware modification? The LPC800-MAX board requires two pads to be shorted: https://mbed.org/handbook/mbed-NXP-LPC800-MAX-Getting-Started

Accepted Answer