• STM32: no SOF (usb)
    Hi, I have some troubles using the usb interface fromt he STM32F103 processor; if the processor is connected by a usb cable to my computer x86, then I didn't receive a start-of-frame. Using the...
  • LPC17xx usb cdc SOF?
    Hi, I'm trying to send some data from my usb device to the host by a virtual com port CDC. Is it the only solution to write these data to the endpoint(in) in the SOF ISR? Sending data to the usb...
  • RTX events
    I am using RTX kernel. One of my task is consisting of number of events. After a particular event is served I am clearing it using os_evt_clr(event_no,task) . It is working fine till the no of events...
  • event problem
    task waits for an event to be executed, when the needed events occur, the task does its job once, the problem is that do i have to use os_evt_clr to clear the event to let the task wait for that event...
  • event flag
    what are the definitions of each event flag bits