I have tested the example available in libopencm3-examples
<https://github.com/libopencm3/libopencm3-examples>/examples
<https://github.com/libopencm3/libopencm3-examples/tree/master/examples>/
stm32
<https://github.com/libopencm3/libopencm3-examples/tree/master/examples/stm32>
/f4
<https://github.com/libopencm3/libopencm3-examples/tree/master/examples/stm32/f4>
/stm32f4-discovery
<https://github.com/libopencm3/libopencm3-examples/tree/master/examples/stm32/f4/stm32f4-discovery>
/*usb_cdcacm*/
It is working good for me, but it uses a polling execution model for
servicing the usb.
Line 244 in main();
while (1)
{
usbd_poll(usbd_dev);
}
I wonder if there are any example of using using usb with interrupts.
Best regards
Johan
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