USB-Serial have problem!!!

General discussions about V-USB, our firmware-only implementation of a low speed USB device on Atmel's AVR microcontrollers
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Ngoc Thao

USB-Serial have problem!!!

Post by Ngoc Thao » Thu Dec 07, 2006 8:07 am

I cannot receve data from RXD pin of ATMega8.
Use visual Basic 6 catch event 2 when receive 8 byte is have many fault.
It not work perfect.

Objective Development
Objective Development
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Joined: Thu Nov 09, 2006 11:46 am

Post by christian » Thu Dec 07, 2006 11:56 am

Are you referring to a CDC-ACM device and you use VisualBasic on the host side to read data from a serial-to-USB converter?

In this case you may be out of luck. Using AVR-USB to implement CDC-ACM devices is outside the specification. It may not work on some hosts or with some drivers.

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Joined: Thu Aug 30, 2007 3:21 pm

USB-ACM and .net framework problem

Post by armrt » Thu Aug 30, 2007 3:37 pm

i m trying to send data to my board (atmel sam7x256) from usb (cdc acm) but i coudnt, At th another hand from visual basic6(not .net) application can do that. Also i have a delphi application which can not work like .net, how can i solve this problem ?

best regards
Murat Karadeniz

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