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Marlin-Artillery-M600/Marlin/macros.h
Scott Lahteine fc04b587cf Merge pull request #3147 from thinkyhead/rc_stringify_macro
Promote STRINGIFY to macros.h
2016-03-15 17:37:03 -07:00

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#ifndef MACROS_H
#define MACROS_H
// Macros to make a string from a macro
#define STRINGIFY_(n) #n
#define STRINGIFY(n) STRINGIFY_(n)
// Macros for bit masks
#define TEST(n,b) (((n)&_BV(b))!=0)
#define SBI(n,b) (n |= _BV(b))
#define CBI(n,b) (n &= ~_BV(b))
#define SET_BIT(n,b,value) (n) ^= ((-value)^(n)) & (_BV(b))
// Macros for maths shortcuts
#define RADIANS(d) ((d)*M_PI/180.0)
#define DEGREES(r) ((r)*180.0/M_PI)
// Macros to contrain values
#define NOLESS(v,n) do{ if (v < n) v = n; }while(0)
#define NOMORE(v,n) do{ if (v > n) v = n; }while(0)
// Macros to support option testing
#define _CAT(a, ...) a ## __VA_ARGS__
#define SWITCH_ENABLED_false 0
#define SWITCH_ENABLED_true 1
#define SWITCH_ENABLED_0 0
#define SWITCH_ENABLED_1 1
#define SWITCH_ENABLED_ 1
#define ENABLED(b) _CAT(SWITCH_ENABLED_, b)
#define DISABLED(b) (!_CAT(SWITCH_ENABLED_, b))
#define COUNT(a) (sizeof(a)/sizeof(*a))
#endif //__MACROS_H