USB issue with 18F4550

[cupidstunt]

Hi All,

I have a small USB project I'm having some difficulties with. I'm using the PIC18F4550. I can communicate with this device over the USB bus and and standard serial port using HyperTerminal, this stuff works great.

My problem is that when I send a character over the USB bus (from HyperTerminal) my PIC code recognises it and is supposed to send back a response like so,



if (usb_cdc_kbhit()) {

c = usb_cdc_getc();

if (c == '+')
printf(usb_cdc_putc, "some response = %c\r\n", c);

}



Now Id expect HyperTerminal to display,

some response = +

but it actually displays,

+some response = +

Notice the leading '+'


Does anyone know what is happening?

[cupidstunt]

Doh! Local echo .... what an idiot!

[strasserh]

Hi1
I try to get an connection with Hyperterminal to the pic. It doesn't work. Could you send me your code?
thx for help