131 lines
5.1 KiB
C
131 lines
5.1 KiB
C
/*
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********************************************************************************
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* *
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* Copyright (c) 2017 Andrea Loi *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the "Software"), *
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* to deal in the Software without restriction, including without limitation *
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* the rights to use, copy, modify, merge, publish, distribute, sublicense, *
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* and/or sell copies of the Software, and to permit persons to whom the *
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* Software is furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
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* DEALINGS IN THE SOFTWARE. *
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* *
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********************************************************************************
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* This file contains common code meant to be included in every source file. *
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********************************************************************************
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*/
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#ifndef COMMON_H
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#define COMMON_H
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// *****************************************************************************
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// * < Sized integer types > *
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// *****************************************************************************
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// * If you're including stdint.h you must remove the lines below. *
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// *****************************************************************************
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#define int32_t int
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#define int16_t short
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#define int8_t char
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#define uint32_t unsigned int
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#define uint16_t unsigned short
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#define uint8_t unsigned char
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// *****************************************************************************
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// * < Bitwise operations > *
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// *****************************************************************************
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// * BIT_SET(FOO, BIT_4 | BIT_2) -> set bit 4 and 2 of register FOO *
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// * BIT_CLR(FOO, BIT_4 | BIT_2) -> clear bit 4 and 2 of register FOO *
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// * BIT_CLR_SET(FOO, BIT_1 | BIT_5, BIT_2 | BIT_7) *
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// * -> clear bit 1 and 5 and set bit 2 and 7 of register FOO *
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// *****************************************************************************
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#define BIT_SET(REG, BITSET) ( (REG) |= (BITSET) )
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#define BIT_CLR(REG, BITCLR) ( (REG) &= (~(BITCLR)) )
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#define BIT_CLR_SET(REG, BITCLR, BITSET) ( (REG) = ( ( (REG) & (~(BITCLR)) ) | (BITSET) ) )
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#define BIT_0 0x00000001
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#define BIT_1 0x00000002
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#define BIT_2 0x00000004
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#define BIT_3 0x00000008
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#define BIT_4 0x00000010
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#define BIT_5 0x00000020
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#define BIT_6 0x00000040
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#define BIT_7 0x00000080
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#define BIT_8 0x00000100
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#define BIT_9 0x00000200
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#define BIT_10 0x00000400
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#define BIT_11 0x00000800
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#define BIT_12 0x00001000
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#define BIT_13 0x00002000
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#define BIT_14 0x00004000
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#define BIT_15 0x00008000
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#define BIT_16 0x00010000
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#define BIT_17 0x00020000
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#define BIT_18 0x00040000
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#define BIT_19 0x00080000
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#define BIT_20 0x00100000
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#define BIT_21 0x00200000
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#define BIT_22 0x00400000
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#define BIT_23 0x00800000
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#define BIT_24 0x01000000
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#define BIT_25 0x02000000
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#define BIT_26 0x04000000
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#define BIT_27 0x08000000
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#define BIT_28 0x10000000
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#define BIT_29 0x20000000
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#define BIT_30 0x40000000
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#define BIT_31 0x80000000
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#define MASK_0 0xFFFFFFFE
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#define MASK_1 0xFFFFFFFD
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#define MASK_2 0xFFFFFFFB
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#define MASK_3 0xFFFFFFF7
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#define MASK_4 0xFFFFFFEF
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#define MASK_5 0xFFFFFFDF
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#define MASK_6 0xFFFFFFBF
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#define MASK_7 0xFFFFFF7F
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#define MASK_8 0xFFFFFEFF
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#define MASK_9 0xFFFFFDFF
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#define MASK_10 0xFFFFFBFF
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#define MASK_11 0xFFFFF7FF
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#define MASK_12 0xFFFFEFFF
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#define MASK_13 0xFFFFDFFF
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#define MASK_14 0xFFFFBFFF
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#define MASK_15 0xFFFF7FFF
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#define MASK_16 0xFFFEFFFF
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#define MASK_17 0xFFFDFFFF
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#define MASK_18 0xFFFBFFFF
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#define MASK_19 0xFFF7FFFF
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#define MASK_20 0xFFEFFFFF
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#define MASK_21 0xFFDFFFFF
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#define MASK_22 0xFFBFFFFF
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#define MASK_23 0xFF7FFFFF
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#define MASK_24 0xFEFFFFFF
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#define MASK_25 0xFDFFFFFF
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#define MASK_26 0xFBFFFFFF
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#define MASK_27 0xF7FFFFFF
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#define MASK_28 0xEFFFFFFF
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#define MASK_29 0xDFFFFFFF
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#define MASK_30 0xBFFFFFFF
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#define MASK_31 0x7FFFFFFF
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#endif
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