forked from gnulnulf/RF24
/
RF24_config.h
executable file
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/
RF24_config.h
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/*
Copyright (C) 2011 J. Coliz <maniacbug@ymail.com>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
Added Arduino Due support from https://github.com/mcrosson/
*/
#ifndef __RF24_CONFIG_H__
#define __RF24_CONFIG_H__
#if ARDUINO < 100
#include <WProgram.h>
#else
#include <Arduino.h>
#endif
#include <stddef.h>
/*** USER DEFINES: ***/
//#define FAILURE_HANDLING
//#define SERIAL_DEBUG
//#define MINIMAL
/**********************/
// Define _BV for non-Arduino platforms and for Arduino DUE
#if defined (ARDUINO) && !defined (__arm__)
#include <SPI.h>
#else
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#if defined(__arm__) || defined (CORE_TEENSY)
#include <SPI.h>
#endif
#if !defined(CORE_TEENSY)
#define _BV(x) (1<<(x))
#if !defined(__arm__)
extern HardwareSPI SPI;
#endif
#endif
#endif
#ifdef SERIAL_DEBUG
#define IF_SERIAL_DEBUG(x) ({x;})
#else
#define IF_SERIAL_DEBUG(x)
#if defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny85__)
#define printf_P(...)
#endif
#endif
// Avoid spurious warnings
// Arduino DUE is arm and uses traditional PROGMEM constructs
#if 1
#if ! defined( NATIVE ) && defined( ARDUINO ) && ! defined(__arm__) && ! defined( CORE_TEENSY3 )
#undef PROGMEM
#define PROGMEM __attribute__(( section(".progmem.data") ))
#undef PSTR
#define PSTR(s) (__extension__({static const char __c[] PROGMEM = (s); &__c[0];}))
#endif
#endif
// Progmem is Arduino-specific
// Arduino DUE is arm and does not include avr/pgmspace
#if defined(ARDUINO) && ! defined(__arm__)
#include <avr/pgmspace.h>
#define PRIPSTR "%S"
#else
#if ! defined(ARDUINO) // This doesn't work on Arduino DUE
typedef char const char;
#else // Fill in pgm_read_byte that is used, but missing from DUE
#define pgm_read_byte(addr) (*(const unsigned char *)(addr))
#endif
#if !defined ( CORE_TEENSY )
typedef uint16_t prog_uint16_t;
#define PSTR(x) (x)
#define printf_P printf
#define strlen_P strlen
#define PROGMEM
#define pgm_read_word(p) (*(p))
#endif
#define PRIPSTR "%s"
#endif
// ATTiny support code is from https://github.com/jscrane/RF24
#if defined(__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__) || defined(__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__)
#include <stdio.h>
#include <Arduino.h>
#include <avr/pgmspace.h>
#define SPI_CLOCK_DIV4 0x00
#define SPI_CLOCK_DIV16 0x01
#define SPI_CLOCK_DIV64 0x02
#define SPI_CLOCK_DIV128 0x03
#define SPI_CLOCK_DIV2 0x04
#define SPI_CLOCK_DIV8 0x05
#define SPI_CLOCK_DIV32 0x06
//#define SPI_CLOCK_DIV64 0x07
#define SPI_MODE0 0x00
#define SPI_MODE1 0x04
#define SPI_MODE2 0x08
#define SPI_MODE3 0x0C
#define SPI_MODE_MASK 0x0C // CPOL = bit 3, CPHA = bit 2 on SPCR
#define SPI_CLOCK_MASK 0x03 // SPR1 = bit 1, SPR0 = bit 0 on SPCR
#define SPI_2XCLOCK_MASK 0x01 // SPI2X = bit 0 on SPSR
class SPIClass {
public:
static byte transfer(byte _data);
// SPI Configuration methods
inline static void attachInterrupt();
inline static void detachInterrupt(); // Default
static void begin(); // Default
static void end();
static void setBitOrder(uint8_t);
static void setDataMode(uint8_t);
static void setClockDivider(uint8_t);
};
extern SPIClass SPI;
#endif //ATTiny
#endif // __RF24_CONFIG_H__