Files
ChameleonMini/Firmware/Chameleon-Mini/Common.h
T
2013-12-22 16:48:22 +01:00

82 lines
3.4 KiB
C

/* Copyright 2013 Timo Kasper, Simon Küppers, David Oswald ("ORIGINAL
* AUTHORS"). All rights reserved.
*
* DEFINITIONS:
*
* "WORK": The material covered by this license includes the schematic
* diagrams, designs, circuit or circuit board layouts, mechanical
* drawings, documentation (in electronic or printed form), source code,
* binary software, data files, assembled devices, and any additional
* material provided by the ORIGINAL AUTHORS in the ChameleonMini project
* (https://github.com/skuep/ChameleonMini).
*
* LICENSE TERMS:
*
* Redistributions and use of this WORK, with or without modification, or
* of substantial portions of this WORK are permitted provided that the
* following conditions are met:
*
* Redistributions and use of this WORK, with or without modification, or
* of substantial portions of this WORK must include the above copyright
* notice, this list of conditions, the below disclaimer, and the following
* attribution:
*
* "Based on ChameleonMini an open-source RFID emulator:
* https://github.com/skuep/ChameleonMini"
*
* The attribution must be clearly visible to a user, for example, by being
* printed on the circuit board and an enclosure, and by being displayed by
* software (both in binary and source code form).
*
* At any time, the majority of the ORIGINAL AUTHORS may decide to give
* written permission to an entity to use or redistribute the WORK (with or
* without modification) WITHOUT having to include the above copyright
* notice, this list of conditions, the below disclaimer, and the above
* attribution.
*
* DISCLAIMER:
*
* THIS PRODUCT IS PROVIDED BY THE ORIGINAL AUTHORS "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE ORIGINAL AUTHORS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS PRODUCT, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the hardware, software, and
* documentation should not be interpreted as representing official
* policies, either expressed or implied, of the ORIGINAL AUTHORS.
*/
#ifndef COMMON_H_
#define COMMON_H_
#include <stdio.h>
#include <stdbool.h>
#include <util/parity.h>
#include <util/delay.h>
#include <avr/pgmspace.h>
#define ODD_PARITY(Value) (parity_even_bit(Value) ? 0 : 1)
#define INLINE \
static inline __attribute__((always_inline))
#define NIBBLE_TO_HEXCHAR(x) ( (x) < 0x0A ? (x) + '0' : (x) + 'A' - 0x0A )
#define HEXCHAR_TO_NIBBLE(x) ( (x) < 'A' ? (x) - '0' : (x) - 'A' + 0x0A )
#define VALID_HEXCHAR(x) ( ( (x) >= '0' && (x) <= '9' ) || ( (x) >= 'A' && (x) <= 'F' ) )
#define MIN(x,y) ( (x) < (y) ? (x) : (y) )
#define MAX(x,y) ( (x) > (y) ? (x) : (y) )
#define BITS_PER_BYTE 8
uint16_t BufferToHexString(char* HexOut, uint16_t MaxChars, const void* Buffer, uint16_t ByteCount);
uint16_t HexStringToBuffer(void* Buffer, uint16_t MaxBytes, const char* HexIn);
#endif /* COMMON_H_ */