dotnfc Tang / LibPN532

PN532 Driver library This library provides an abstract API to drive the pn532 nfc chip, with I2C/HSU/SPI interface. Its based on the Seeed Studio's Arduino version.

Dependents:   PN532_ReadUid Nfctest2

wiring_constants.h@0:db8030e71f55, 2016-09-13 (annotated)

Committer:
dotnfc
Date:
Tue Sep 13 06:01:19 2016 +0000
Revision:
0:db8030e71f55
first commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dotnfc 0:db8030e71f55 1 /*
dotnfc 0:db8030e71f55 2 Copyright (c) 2014 BestU. All right reserved.
dotnfc 0:db8030e71f55 3 Copyright (c) 2011 Arduino. All right reserved.
dotnfc 0:db8030e71f55 4
dotnfc 0:db8030e71f55 5 This library is free software; you can redistribute it and/or
dotnfc 0:db8030e71f55 6 modify it under the terms of the GNU Lesser General Public
dotnfc 0:db8030e71f55 7 License as published by the Free Software Foundation; either
dotnfc 0:db8030e71f55 8 version 2.1 of the License, or (at your option) any later version.
dotnfc 0:db8030e71f55 9
dotnfc 0:db8030e71f55 10 This library is distributed in the hope that it will be useful,
dotnfc 0:db8030e71f55 11 but WITHOUT ANY WARRANTY; without even the implied warranty of
dotnfc 0:db8030e71f55 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
dotnfc 0:db8030e71f55 13 See the GNU Lesser General Public License for more details.
dotnfc 0:db8030e71f55 14
dotnfc 0:db8030e71f55 15 You should have received a copy of the GNU Lesser General Public
dotnfc 0:db8030e71f55 16 License along with this library; if not, write to the Free Software
dotnfc 0:db8030e71f55 17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
dotnfc 0:db8030e71f55 18 */
dotnfc 0:db8030e71f55 19
dotnfc 0:db8030e71f55 20 #ifndef _WIRING_CONSTANTS_
dotnfc 0:db8030e71f55 21 #define _WIRING_CONSTANTS_
dotnfc 0:db8030e71f55 22
dotnfc 0:db8030e71f55 23 #ifdef __cplusplus
dotnfc 0:db8030e71f55 24 extern "C"{
dotnfc 0:db8030e71f55 25 #endif // __cplusplus
dotnfc 0:db8030e71f55 26
dotnfc 0:db8030e71f55 27 #define HIGH 0x1
dotnfc 0:db8030e71f55 28 #define LOW 0x0
dotnfc 0:db8030e71f55 29
dotnfc 0:db8030e71f55 30 #define INPUT 0x0
dotnfc 0:db8030e71f55 31 #define OUTPUT 0x1
dotnfc 0:db8030e71f55 32 #define ALTERNATE 0x2
dotnfc 0:db8030e71f55 33 #define ANALOG 0x3
dotnfc 0:db8030e71f55 34
dotnfc 0:db8030e71f55 35 #define true 0x1
dotnfc 0:db8030e71f55 36 #define false 0x0
dotnfc 0:db8030e71f55 37
dotnfc 0:db8030e71f55 38 #define PI 3.1415926535897932384626433832795
dotnfc 0:db8030e71f55 39 #define HALF_PI 1.5707963267948966192313216916398
dotnfc 0:db8030e71f55 40 #define TWO_PI 6.283185307179586476925286766559
dotnfc 0:db8030e71f55 41 #define DEG_TO_RAD 0.017453292519943295769236907684886
dotnfc 0:db8030e71f55 42 #define RAD_TO_DEG 57.295779513082320876798154814105
dotnfc 0:db8030e71f55 43 #define EULER 2.718281828459045235360287471352
dotnfc 0:db8030e71f55 44
dotnfc 0:db8030e71f55 45 #define SERIAL 0x0
dotnfc 0:db8030e71f55 46 #define DISPLAY 0x1
dotnfc 0:db8030e71f55 47
dotnfc 0:db8030e71f55 48 enum BitOrder {
dotnfc 0:db8030e71f55 49 LSBFIRST = 0,
dotnfc 0:db8030e71f55 50 MSBFIRST = 1
dotnfc 0:db8030e71f55 51 };
dotnfc 0:db8030e71f55 52
dotnfc 0:db8030e71f55 53 // LOW 0
dotnfc 0:db8030e71f55 54 // HIGH 1
dotnfc 0:db8030e71f55 55 #define CHANGE 2
dotnfc 0:db8030e71f55 56 #define FALLING 3
dotnfc 0:db8030e71f55 57 #define RISING 4
dotnfc 0:db8030e71f55 58
dotnfc 0:db8030e71f55 59 #define DEFAULT 1
dotnfc 0:db8030e71f55 60 #define EXTERNAL 0
dotnfc 0:db8030e71f55 61
dotnfc 0:db8030e71f55 62 // undefine stdlib's abs if encountered
dotnfc 0:db8030e71f55 63 #ifdef abs
dotnfc 0:db8030e71f55 64 #undef abs
dotnfc 0:db8030e71f55 65 #endif // abs
dotnfc 0:db8030e71f55 66
dotnfc 0:db8030e71f55 67 #ifndef min
dotnfc 0:db8030e71f55 68 #define min(a,b) ((a)<(b)?(a):(b))
dotnfc 0:db8030e71f55 69 #endif // min
dotnfc 0:db8030e71f55 70
dotnfc 0:db8030e71f55 71 #ifndef max
dotnfc 0:db8030e71f55 72 #define max(a,b) ((a)>(b)?(a):(b))
dotnfc 0:db8030e71f55 73 #endif // max
dotnfc 0:db8030e71f55 74
dotnfc 0:db8030e71f55 75 #define abs(x) ((x)>0?(x):-(x))
dotnfc 0:db8030e71f55 76 #define constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt)))
dotnfc 0:db8030e71f55 77 #define round(x) ((x)>=0?(long)((x)+0.5):(long)((x)-0.5))
dotnfc 0:db8030e71f55 78 #define radians(deg) ((deg)*DEG_TO_RAD)
dotnfc 0:db8030e71f55 79 #define degrees(rad) ((rad)*RAD_TO_DEG)
dotnfc 0:db8030e71f55 80 #define sq(x) ((x)*(x))
dotnfc 0:db8030e71f55 81
dotnfc 0:db8030e71f55 82 #define interrupts() __enable_irq()
dotnfc 0:db8030e71f55 83 #define noInterrupts() __disable_irq()
dotnfc 0:db8030e71f55 84
dotnfc 0:db8030e71f55 85 #define lowByte(w) ((uint8_t) ((w) & 0xff))
dotnfc 0:db8030e71f55 86 #define highByte(w) ((uint8_t) ((w) >> 8))
dotnfc 0:db8030e71f55 87
dotnfc 0:db8030e71f55 88 #define bitRead(value, bit) (((value) >> (bit)) & 0x01)
dotnfc 0:db8030e71f55 89 #define bitSet(value, bit) ((value) |= (1UL << (bit)))
dotnfc 0:db8030e71f55 90 #define bitClear(value, bit) ((value) &= ~(1UL << (bit)))
dotnfc 0:db8030e71f55 91 #define bitWrite(value, bit, bitvalue) (bitvalue ? bitSet(value, bit) : bitClear(value, bit))
dotnfc 0:db8030e71f55 92
dotnfc 0:db8030e71f55 93 typedef unsigned int word;
dotnfc 0:db8030e71f55 94
dotnfc 0:db8030e71f55 95 #define bit(b) (1UL << (b))
dotnfc 0:db8030e71f55 96
dotnfc 0:db8030e71f55 97 // TODO: to be checked
dotnfc 0:db8030e71f55 98 typedef uint8_t boolean ;
dotnfc 0:db8030e71f55 99 typedef uint8_t byte ;
dotnfc 0:db8030e71f55 100
dotnfc 0:db8030e71f55 101
dotnfc 0:db8030e71f55 102 #ifdef __cplusplus
dotnfc 0:db8030e71f55 103 } // extern "C"
dotnfc 0:db8030e71f55 104 #endif // __cplusplus
dotnfc 0:db8030e71f55 105
dotnfc 0:db8030e71f55 106 #endif /* _WIRING_CONSTANTS_ */