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yes! it is a strange way of handling, i re did the whole code and fixed it. The whole approach that i was using was very wrong. I found a much simpler way to do it that actually makes sense. Thanks fo ...

oh i'm sorry. I'm using the rs232 to receive information from a GSM unit. whenever i send out a command, the rs232 will receive serial data from the GSM.

I'm also getting USB re-entrancy warnings. I'm not entirely sure how to get rid of those. When i do get rid of them, the program wont work. I may be getting rid of it wrongly

i was on a break for a while.

if there is a problem with my int_rda picking up from the same port, should i configure my serial port for my USB to another port?

i'll try to remove the getc(). However, if the problem is with reading from the same port, how do i go around this? would a serial->usb solution not work in my case then?

hi, i'm having issues with my USB CDC code. I'm using the example but when combined with my code the program wont move forward unless i hit the keyboard.

the code is as follows:

#define __US ...

i got it to interrupt properly. Thanks!

however, the code makes me do a keyboard hit before it will move the program forward.

this code seems to do it:

if (kbhit()) &# ...

my serial interrupt is simlar to the example interrupt buffer. It's just a little bigger, i guess. Anyway, these interrupts have worked alone for separate programs for me but i can see what you're say ...

ho ho ho! ok. We got the USB to work but now i am trying to get it to work with my GSM unit. I'm still grasping the serial usb example. I have a code like such:

//#include "H:\Senior Proj ...

i think we got it to work. Windows is seeing the device now. thanks again guys Smile

thank you very very much guys, you've been great help, yet again!

i got it to detect on the PC but i have a question about the drivers for it. Windows is requesting a driver here but i'm stumped. W ...

Hi, I'm back. I'm working with the PIC18F4550. I'm using the USB_SERIAL example provided with no modification. I'm encountering various problems however.

1. it's giving me a problem with interrupt ...

i'm trying to understand how interrupts work. I've used a number of examples from the forums as well as the example from CCS. I've simplified my code down to:

#include "G:\Senior Project\b ...

The following is my code. I've removed the whole checking of the keypad routine because it was quite long.

Anyway, during the my_get_string function, i'd like to be able to interrupt it so that it ...

Hey, thanks a bunch for helping me out. I did break the whole thing down and did it slow and i figured out some of it and am receiving the characters like i should. I've still got to figure out some o ...