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

Revision:
0:db8030e71f55
diff -r 000000000000 -r db8030e71f55 wiring_constants.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wiring_constants.h	Tue Sep 13 06:01:19 2016 +0000
@@ -0,0 +1,106 @@
+/*
+  Copyright (c) 2014 BestU. All right reserved. 
+  Copyright (c) 2011 Arduino.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef _WIRING_CONSTANTS_
+#define _WIRING_CONSTANTS_
+
+#ifdef __cplusplus
+extern "C"{
+#endif // __cplusplus
+
+#define HIGH 0x1
+#define LOW  0x0
+
+#define INPUT     0x0
+#define OUTPUT    0x1
+#define ALTERNATE 0x2
+#define ANALOG    0x3 
+
+#define true 0x1
+#define false 0x0
+
+#define PI 3.1415926535897932384626433832795
+#define HALF_PI 1.5707963267948966192313216916398
+#define TWO_PI 6.283185307179586476925286766559
+#define DEG_TO_RAD 0.017453292519943295769236907684886
+#define RAD_TO_DEG 57.295779513082320876798154814105
+#define EULER 2.718281828459045235360287471352
+
+#define SERIAL  0x0
+#define DISPLAY 0x1
+
+enum BitOrder {
+	LSBFIRST = 0,
+	MSBFIRST = 1
+};
+
+//      LOW 0
+//      HIGH 1
+#define CHANGE 2
+#define FALLING 3
+#define RISING 4
+
+#define DEFAULT 1
+#define EXTERNAL 0
+
+// undefine stdlib's abs if encountered
+#ifdef abs
+#undef abs
+#endif // abs
+
+#ifndef min
+#define min(a,b) ((a)<(b)?(a):(b))
+#endif // min
+
+#ifndef max
+#define max(a,b) ((a)>(b)?(a):(b))
+#endif // max
+
+#define abs(x) ((x)>0?(x):-(x))
+#define constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt)))
+#define round(x)     ((x)>=0?(long)((x)+0.5):(long)((x)-0.5))
+#define radians(deg) ((deg)*DEG_TO_RAD)
+#define degrees(rad) ((rad)*RAD_TO_DEG)
+#define sq(x) ((x)*(x))
+
+#define interrupts() __enable_irq()
+#define noInterrupts() __disable_irq()
+
+#define lowByte(w) ((uint8_t) ((w) & 0xff))
+#define highByte(w) ((uint8_t) ((w) >> 8))
+
+#define bitRead(value, bit) (((value) >> (bit)) & 0x01)
+#define bitSet(value, bit) ((value) |= (1UL << (bit)))
+#define bitClear(value, bit) ((value) &= ~(1UL << (bit)))
+#define bitWrite(value, bit, bitvalue) (bitvalue ? bitSet(value, bit) : bitClear(value, bit))
+
+typedef unsigned int word;
+
+#define bit(b) (1UL << (b))
+
+// TODO: to be checked
+typedef uint8_t boolean ;
+typedef uint8_t byte ;
+
+
+#ifdef __cplusplus
+} // extern "C"
+#endif // __cplusplus
+
+#endif /* _WIRING_CONSTANTS_ */