module_debug.h

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#ifndef _MODULE_DEBUG_H
#define _MODULE_DEBUG_H
 
 
#define M_PRINTF(format, args...) printf("FatFs: " format, ##args)
 
#ifdef DEBUG
#define M_DEBUG M_PRINTF
#else
#define M_DEBUG(format, args...)
#endif
 
// u64 when being used in a printf statement is split into two u32 values
#define U64_2XU32(val) \
    u32 val##_u32[2]; \
    memcpy(val##_u32, &val, sizeof(val##_u32))
 
#ifdef DEBUG
#define DEBUG_U64_2XU32(val) U64_2XU32(val)
#else
#define DEBUG_U64_2XU32(val) do { } while (0)
#endif
 
#endif