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Create an object at a given address: Difference between revisions
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A more typical embedded way of doing this is below. Note that the OS will probably not allow this due to memory protections. Embedded systems often do not have memory managers.
<lang c>#include <stdint.h>
#include <stddef.h>
// This is a port variable located at address 0x100
#define PORT_A (*(volatile uint32_t*)0x100)
{
uint32_t dat;
size_t addr;
PORT_A ^= 0x01; // Toggle bit 0 of PORT_A
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addr = &PORT_A; // addr = 0x100
}</lang>
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