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void function(void) { printf("test"); } const uint16_t addr = (uint16_t)function;
Why MDK(ARM) report an error: initializer element is not a compile-time constant ？
Maybe because it makes not really sense to store the (non constant) address of a function in a 16 or 32 bit integer variable?
My MCU flash is only 64K. I want to create a very large list of callback functions. If I use 32-bit address, obviously the upper 16 bits are meaningless.