Take the latest SDK e.g. “SDK_2.7.1_LPCXpresso55S69” and select USB. If you have done this every USB example doesn’t work e.g. “lpcxpresso55s69_host_suspend_resume_hid_mouse_freertos”.
I tried it also with SDK “SDK_2.6.3_LPCXpresso55S69” with similar results.
I always get the following erros:
Error: selected processor does not support requested special purpose register — `mrs r3,primask’
Error: selected processor does not support `cpsid i’ in ARM mode