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#ifndef HARDWARE_ABSTRACTION
#define HARDWARE_ABSTRACTION
#include <stdint.h>
#ifndef TESTING
#define IO_MEM_RD8(ADDR) (*((volatile uint8_t *)(ADDR)))
#define IO_MEM_WR8(ADDR, VAL_8) (*((volatile uint8_t *)(ADDR)) = (VAL_8))
#else
/* In testing use fake functions to record calls to IO memory */
uint8_t IO_MEM_RD8(uint32_t reg);
void IO_MEM_WR8(uint32_t reg, uint8_t val);
#endif
#endif /* Include guard */
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