NuttShell (NSH) NuttX-10.4.0

nsh> uname -a
NuttX 10.4.0 3ea7a6fb77-dirty Jan 10 2023 15:39:26 xtensa esp32-devkitc


nsh> free                   total       used       free    largest  nused  nfree
  esp32-imem:      97920       6208      91712      91712      4      1
        Umem:    4415008       6296 1065567632 1065353216     42      4

nsh> ramtest -w 0x3F800000 4194304
RAMTest: Marching ones: 3f800000 4194304
RAMTest: Marching zeroes: 3f800000 4194304
RAMTest: Pattern test: 3f800000 4194304 55555555 aaaaaaaa
RAMTest: Pattern test: 3f800000 4194304 66666666 99999999
RAMTest: Pattern test: 3f800000 4194304 33333333 cccccccc
RAMTest: Address-in-address test: 3f800000 4194304