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Original question:

RTOS/TM4C1294NCPDT: Upgrading from 2.1.2.111 to 2.1.4.178 kills the USB

RTOS/TM4C1294NCPDT: Moving from TIrtos 2.111 to 4.178 killed the USB - resolved!

Shlomo Hecht
Intellectual 330 points
Part Number: TM4C1294NCPDT

Tool/software: TI-RTOS

regarding this question:

RTOS/TM4C1294NCPDT: Upgrading from 2.1.2.111 to 2.1.4.178 kills the USB - Arm-based microcontrollers...

e2e.ti.com
Part Number: TM4C1294NCPDT Tool/software: TI-RTOS Hello. this thread is related to this one , which was not solved. I can run examples using the 2.1.4.178 and

I have found out that the answer is the newly added required calls:

USBDCDFeatureSet(0, USBLIB_FEATURE_CPUCLK, &ui32SysClock);
USBDCDFeatureSet(0, USBLIB_FEATURE_USBPLL, &ui32PLLRate);