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Forum Post: MSP430F5510 USB Stack API CDC recieve "freeze" after two bytes

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Hi there,


I'm still working on my custom MSP430F5510 based board and I'm now struggling with the CDC USB Stack API. My current firmware is based on the echo example, only adjusted to my boards hardware.

I'm now experiencing some wierd behaviour: After sending two bytes successfully using any terminal application, the bCDCDataReceived_event won't turn true anymore from the third byte on.

I also noticed that in my terminal application, the TXD status won't turn off anymore when trying to send the 3rd byte. (for byte 1 and 2 it just blinked).

Any ideas what might be going on?

Regards,

Max


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