mirror of
https://github.com/qmk/qmk_firmware.git
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83 lines
3.9 KiB
C
83 lines
3.9 KiB
C
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/* Copyright (C) 2011 Circuits At Home, LTD. All rights reserved.
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This software may be distributed and modified under the terms of the GNU
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General Public License version 2 (GPL2) as published by the Free Software
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Foundation and appearing in the file GPL2.TXT included in the packaging of
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this file. Please note that GPL2 Section 2[b] requires that all works based
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on this software must also be made publicly available under the terms of
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the GPL2 ("Copyleft").
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Contact information
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-------------------
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Circuits At Home, LTD
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Web : http://www.circuitsathome.com
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e-mail : support@circuitsathome.com
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*/
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#if !defined(_usb_h_) || defined(MACROS_H)
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#error "Never include macros.h directly; include Usb.h instead"
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#else
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#define MACROS_H
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////////////////////////////////////////////////////////////////////////////////
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// HANDY MACROS
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////////////////////////////////////////////////////////////////////////////////
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#define VALUE_BETWEEN(v,l,h) (((v)>(l)) && ((v)<(h)))
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#define VALUE_WITHIN(v,l,h) (((v)>=(l)) && ((v)<=(h)))
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#define output_pgm_message(wa,fp,mp,el) wa = &mp, fp((char *)pgm_read_pointer(wa), el)
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#define output_if_between(v,l,h,wa,fp,mp,el) if(VALUE_BETWEEN(v,l,h)) output_pgm_message(wa,fp,mp[v-(l+1)],el);
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#define SWAP(a, b) (((a) ^= (b)), ((b) ^= (a)), ((a) ^= (b)))
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#ifndef __BYTE_GRABBING_DEFINED__
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#define __BYTE_GRABBING_DEFINED__ 1
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#ifdef BROKEN_OPTIMIZER_LITTLE_ENDIAN
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// Note: Use this if your compiler generates horrible assembler!
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#define BGRAB0(__usi__) (((uint8_t *)&(__usi__))[0])
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#define BGRAB1(__usi__) (((uint8_t *)&(__usi__))[1])
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#define BGRAB2(__usi__) (((uint8_t *)&(__usi__))[2])
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#define BGRAB3(__usi__) (((uint8_t *)&(__usi__))[3])
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#define BGRAB4(__usi__) (((uint8_t *)&(__usi__))[4])
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#define BGRAB5(__usi__) (((uint8_t *)&(__usi__))[5])
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#define BGRAB6(__usi__) (((uint8_t *)&(__usi__))[6])
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#define BGRAB7(__usi__) (((uint8_t *)&(__usi__))[7])
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#else
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// Note: The cast alone to uint8_t is actually enough.
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// GCC throws out the "& 0xff", and the size is no different.
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// Some compilers need it.
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#define BGRAB0(__usi__) ((uint8_t)((__usi__) & 0xff ))
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#define BGRAB1(__usi__) ((uint8_t)(((__usi__) >> 8) & 0xff))
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#define BGRAB2(__usi__) ((uint8_t)(((__usi__) >> 16) & 0xff))
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#define BGRAB3(__usi__) ((uint8_t)(((__usi__) >> 24) & 0xff))
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#define BGRAB4(__usi__) ((uint8_t)(((__usi__) >> 32) & 0xff))
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#define BGRAB5(__usi__) ((uint8_t)(((__usi__) >> 40) & 0xff))
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#define BGRAB6(__usi__) ((uint8_t)(((__usi__) >> 48) & 0xff))
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#define BGRAB7(__usi__) ((uint8_t)(((__usi__) >> 56) & 0xff))
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#endif
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#define BOVER1(__usi__) ((uint16_t)(__usi__) << 8)
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#define BOVER2(__usi__) ((uint32_t)(__usi__) << 16)
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#define BOVER3(__usi__) ((uint32_t)(__usi__) << 24)
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#define BOVER4(__usi__) ((uint64_t)(__usi__) << 32)
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#define BOVER5(__usi__) ((uint64_t)(__usi__) << 40)
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#define BOVER6(__usi__) ((uint64_t)(__usi__) << 48)
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#define BOVER7(__usi__) ((uint64_t)(__usi__) << 56)
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// These are the smallest and fastest ways I have found so far in pure C/C++.
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#define BMAKE16(__usc1__,__usc0__) ((uint16_t)((uint16_t)(__usc0__) | (uint16_t)BOVER1(__usc1__)))
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#define BMAKE32(__usc3__,__usc2__,__usc1__,__usc0__) ((uint32_t)((uint32_t)(__usc0__) | (uint32_t)BOVER1(__usc1__) | (uint32_t)BOVER2(__usc2__) | (uint32_t)BOVER3(__usc3__)))
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#define BMAKE64(__usc7__,__usc6__,__usc5__,__usc4__,__usc3__,__usc2__,__usc1__,__usc0__) ((uint64_t)((uint64_t)__usc0__ | (uint64_t)BOVER1(__usc1__) | (uint64_t)BOVER2(__usc2__) | (uint64_t)BOVER3(__usc3__) | (uint64_t)BOVER4(__usc4__) | (uint64_t)BOVER5(__usc5__) | (uint64_t)BOVER6(__usc6__) | (uint64_t)BOVER1(__usc7__)))
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#endif
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/*
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* Debug macros: Strings are stored in progmem (flash) instead of RAM.
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*/
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#define USBTRACE(s) (Notify(PSTR(s), 0x80))
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#define USBTRACE1(s,l) (Notify(PSTR(s), l))
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#define USBTRACE2(s,r) (Notify(PSTR(s), 0x80), D_PrintHex((r), 0x80), Notify(PSTR("\r\n"), 0x80))
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#define USBTRACE3(s,r,l) (Notify(PSTR(s), l), D_PrintHex((r), l), Notify(PSTR("\r\n"), l))
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#endif /* MACROS_H */
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