23 lines
747 B
C
23 lines
747 B
C
#ifndef UTILS_H
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#define UTILS_H
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#define mem32(x) ((volatile uint32_t *)(x))
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#define mem16(x) ((volatile uint16_t *)(x))
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#define CAT2(x, y, z) x##y##z
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#define STR(x) #x
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#define STR2(x) STR(x)
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#define bit(bit) (1 << bit)
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#define bit_is_set(val, bit) (((val & (1 << bit)) >> bit) == 1)
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#define clear_bit(val, bit) (val = (val & ~(1 << bit)))
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#define set_bit(val, bit) (val = (val | (1 << bit)))
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#define ones(num) ( (1<<num) - 1 )
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#define bit_mask(length, shift) (ones(length) << shift)
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#define get_field(val, field) ((val & field##_MASK) >> field)
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//#define bitfield(name, length, shift) ( #define #name length #define #name##_MASK bit_mask(length, shift))
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#define bitfield(name, length, shift) ( define #name length )
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#endif /* UTILS_H */
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