usbser.sys: ReadFile success with 0 bytes read

Hello everybody, I am having trouble making Windows API ReadFile function working properly with USB CDC (Communication Device Class) driver. Specifically, I am using CDC drivers supplied with Windows...
usbser.sys: ReadFile success with 0 bytes read

Hello everybody, I am having trouble making Windows API ReadFile function working properly with USB CDC (Communication Device Class) driver. Specifically, I am using CDC drivers supplied with Windows...
USBSER.SYS quirks explained

Hi, I have been wrestling with Microsoft USBSER.SYS as my host driver for an MDK-PRO based Atmel project. We are using the USB CDC ACM middleware from Keil. (4.73 source) I have determined a...
USBSER.SYS quirks explained

Hi, I have been wrestling with Microsoft USBSER.SYS as my host driver for an MDK-PRO based Atmel project. We are using the USB CDC ACM middleware from Keil. (4.73 source) I have determined a...
USB CDC-ACM function class

Hi, I use a modified version of Keil's USB CDC-ACM function class implementation. It works really well but I am having a problem in the way I am using it. I use the virtual COM-port to connect as...