skarg
43 lines
785 B
C
43 lines
785 B
C
// Defines the bit/byte/word/long conversions that are used in code
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#ifndef BYTES_H
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#define BYTES_H
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#include <stdint.h>
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#ifndef LO_NIB
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#define LO_NIB(b) ((b) & 0xF)
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#endif
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#ifndef HI_NIB
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#define HI_NIB(b) ((b) >> 4)
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#endif
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#ifndef LO_BYTE
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#define LO_BYTE(w) ((uint8_t)(w))
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#endif
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#ifndef HI_BYTE
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#define HI_BYTE(w) ((uint8_t)((uint16_t)(w) >> 8))
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#endif
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#ifndef LO_WORD
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#define LO_WORD(x) ((uint16_t)(x))
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#endif
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#ifndef HI_WORD
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#define HI_WORD(x) ((uint16_t)((uint32_t)(x) >> 16))
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#endif
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#ifndef MAKE_WORD
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#define MAKE_WORD(lo,hi) \
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((uint16_t)(((uint8_t)(lo))|(((uint16_t)((uint8_t)(hi)))<<8)))
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#endif
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#ifndef MAKE_LONG
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#define MAKE_LONG(lo,hi) \
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((uint32_t)(((uint16_t)(lo))|(((uint32_t)((uint16_t)(hi)))<<16)))
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#endif
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#endif // end of header file
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