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+Memory Utilization
+=====================
+
+'text' is what ends up in flash (only).
+'data' is initialized variables: need to be storad in flash, then end up in RAM.
+'bss' is uninitialized data: nothing in flash, but does consume RAM.
+
+The "-x --format=sysv" flags to arm-none-eabi-size can be helpful.
+
Debugging
================