130 lines
3.1 KiB
C++
130 lines
3.1 KiB
C++
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/*
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Copyright (C) 2011 J. Coliz <maniacbug@ymail.com>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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version 2 as published by the Free Software Foundation.
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Added Arduino Due support from https://github.com/mcrosson/
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*/
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#ifndef __RF24_CONFIG_H__
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#define __RF24_CONFIG_H__
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#if ARDUINO < 100
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#include <WProgram.h>
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#else
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#include <Arduino.h>
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#endif
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#include <stddef.h>
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//TMRh20:
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//#define MINIMAL
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// Define _BV for non-Arduino platforms and for Arduino DUE
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#if defined (ARDUINO)
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#include <SPI.h>
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#else
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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extern HardwareSPI SPI;
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#define _BV(x) (1<<(x))
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#endif
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#undef SERIAL_DEBUG
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#ifdef SERIAL_DEBUG
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#define IF_SERIAL_DEBUG(x) ({x;})
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#else
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#define IF_SERIAL_DEBUG(x)
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#if defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny85__)
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#define printf_P(...)
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#endif
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#endif
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// Avoid spurious warnings
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// Arduino DUE is arm and uses traditional PROGMEM constructs
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#if 1
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#if ! defined( NATIVE ) && defined( ARDUINO ) && ! defined(__arm__)
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#undef PROGMEM
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#define PROGMEM __attribute__(( section(".progmem.data") ))
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#undef PSTR
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#define PSTR(s) (__extension__({static const char __c[] PROGMEM = (s); &__c[0];}))
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#endif
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#endif
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// Progmem is Arduino-specific
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// Arduino DUE is arm and does not include avr/pgmspace
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#if defined(ARDUINO) && ! defined(__arm__)
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#include <avr/pgmspace.h>
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#define PRIPSTR "%S"
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#else
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#if ! defined(ARDUINO) // This doesn't work on Arduino DUE
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typedef char const char;
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#else // Fill in pgm_read_byte that is used, but missing from DUE
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#define pgm_read_byte(addr) (*(const unsigned char *)(addr))
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#endif
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typedef uint16_t prog_uint16_t;
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#define PSTR(x) (x)
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#define printf_P printf
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#define strlen_P strlen
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#define PROGMEM
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#define pgm_read_word(p) (*(p))
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#define PRIPSTR "%s"
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#endif
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// ATTiny support code is from https://github.com/jscrane/RF24
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#if defined(__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__) || defined(__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__)
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#include <stdio.h>
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#include <Arduino.h>
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#include <avr/pgmspace.h>
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#define SPI_CLOCK_DIV4 0x00
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#define SPI_CLOCK_DIV16 0x01
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#define SPI_CLOCK_DIV64 0x02
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#define SPI_CLOCK_DIV128 0x03
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#define SPI_CLOCK_DIV2 0x04
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#define SPI_CLOCK_DIV8 0x05
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#define SPI_CLOCK_DIV32 0x06
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//#define SPI_CLOCK_DIV64 0x07
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#define SPI_MODE0 0x00
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#define SPI_MODE1 0x04
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#define SPI_MODE2 0x08
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#define SPI_MODE3 0x0C
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#define SPI_MODE_MASK 0x0C // CPOL = bit 3, CPHA = bit 2 on SPCR
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#define SPI_CLOCK_MASK 0x03 // SPR1 = bit 1, SPR0 = bit 0 on SPCR
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#define SPI_2XCLOCK_MASK 0x01 // SPI2X = bit 0 on SPSR
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class SPIClass {
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public:
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static byte transfer(byte _data);
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// SPI Configuration methods
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inline static void attachInterrupt();
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inline static void detachInterrupt(); // Default
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static void begin(); // Default
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static void end();
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static void setBitOrder(uint8_t);
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static void setDataMode(uint8_t);
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static void setClockDivider(uint8_t);
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};
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extern SPIClass SPI;
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#endif //ATTiny
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#endif // __RF24_CONFIG_H__
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