36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
#ifndef COMMAND_MACROS_BASE_H
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#define COMMAND_MACROS_BASE_H
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/**
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* Command Base macros intended for use in designing of more specific command macros
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* Each macro packs bytes (B), halfwords (H) and words (W, for consistency) into a single word
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*/
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#define _SHIFTL(v, s, w) \
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((unsigned int) (((unsigned int)(v) & ((0x01 << (w)) - 1)) << (s)))
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#define _SHIFTR(v, s, w) \
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((unsigned int)(((unsigned int)(v) >> (s)) & ((0x01 << (w)) - 1)))
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//#define CMD_BBBB(a, b, c, d) (_SHIFTL(a, 24, 8) | _SHIFTL(b, 16, 8) | _SHIFTL(c, 8, 8) | _SHIFTL(d, 0, 8))
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#define CMD_BBBB(a, b, c, d) (_SHIFTL(d, 24, 8) | _SHIFTL(c, 16, 8) | _SHIFTL(b, 8, 8) | _SHIFTL(a, 0, 8))
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//#define CMD_BBH(a, b, c) (_SHIFTL(a, 24, 8) | _SHIFTL(b, 16, 8) | _SHIFTL(c, 0, 16))
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#define CMD_BBH(a, b, c) (_SHIFTL(a, 0, 8) | _SHIFTL(b, 8, 8) | _SHIFTL(c, 16, 16))
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//#define CMD_HBB(a, b, c) (_SHIFTL(a, 16, 16) | _SHIFTL(b, 8, 8) | _SHIFTL(c, 0, 8))
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#define CMD_HBB(a, b, c) (_SHIFTL(c, 24, 8) | _SHIFTL(b, 16, 8) | _SHIFTL(a, 0, 16))
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//#define CMD_HH(a, b) (_SHIFTL(a, 16, 16) | _SHIFTL(b, 0, 16))
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#define CMD_HH(a, b) (_SHIFTL(b, 16, 16) | _SHIFTL(a, 0, 16))
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#define CMD_W(a) (a)
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#if defined(__GNUC__)
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#define CMD_F(a) {.f = (a)}
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#else
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#define CMD_F(a) {(a)}
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#endif
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#define CMD_PTR(a) (u32)(a)
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#endif |