Im using LM3S3739 MCU in USB serial device mode. Im facing a problem now with USB ,the comport is detecting in the Device manager but the data send and receive is not working.
the same software is working in past.Nothing is changed now in the software and hardware.but its is not working now
Is there any updation for LM3S3739 USB? if so what are they ? (eg: memory mapping...)
im using keil compiler with the operating frequency of 12 MHZ
Please suggest how to proceed further.
source code attached