RadioLib
Universal wireless communication library for Arduino
PhysicalLayer.h
1 #if !defined(_RADIOLIB_PHYSICAL_LAYER_H)
2 #define _RADIOLIB_PHYSICAL_LAYER_H
3 
4 #include "../../TypeDef.h"
5 #include "../../Module.h"
6 
15  public:
16 
17  // constructor
18 
26  PhysicalLayer(float freqStep, size_t maxPacketLength);
27 
28  // basic methods
29 
39  int16_t transmit(__FlashStringHelper* fstr, uint8_t addr = 0);
40 
50  int16_t transmit(String& str, uint8_t addr = 0);
51 
61  int16_t transmit(const char* str, uint8_t addr = 0);
62 
74  virtual int16_t transmit(uint8_t* data, size_t len, uint8_t addr = 0);
75 
85  int16_t receive(String& str, size_t len = 0);
86 
92  virtual int16_t standby();
93 
99  virtual int16_t standby(uint8_t mode);
100 
110  virtual int16_t receive(uint8_t* data, size_t len);
111 
122  int16_t startTransmit(String& str, uint8_t addr = 0);
123 
134  int16_t startTransmit(const char* str, uint8_t addr = 0);
135 
147  virtual int16_t startTransmit(uint8_t* data, size_t len, uint8_t addr = 0);
148 
154  virtual int16_t finishTransmit();
155 
166  int16_t readData(String& str, size_t len = 0);
167 
178  virtual int16_t readData(uint8_t* data, size_t len);
179 
188  virtual int16_t transmitDirect(uint32_t frf = 0);
189 
196  virtual int16_t receiveDirect();
197 
198  // configuration methods
199 
207  virtual int16_t setFrequency(float freq);
208 
216  virtual int16_t setBitRate(float br);
217 
225  virtual int16_t setFrequencyDeviation(float freqDev);
226 
234  virtual int16_t setDataShaping(uint8_t sh);
235 
243  virtual int16_t setEncoding(uint8_t encoding);
244 
250  float getFreqStep() const;
251 
259  virtual size_t getPacketLength(bool update = true);
260 
268  int32_t random(int32_t max);
269 
279  int32_t random(int32_t min, int32_t max);
280 
286  virtual uint8_t randomByte();
287 
293  int16_t startDirect();
294 
295  #if !defined(RADIOLIB_EXCLUDE_DIRECT_RECEIVE)
305  int16_t setDirectSyncWord(uint32_t syncWord, uint8_t len);
306 
312  virtual void setDirectAction(void (*func)(void));
313 
319  virtual void readBit(RADIOLIB_PIN_TYPE pin);
320 
326  int16_t available();
327 
331  void dropSync();
332 
340  uint8_t read(bool drop = true);
341  #endif
342 
352  virtual int16_t setDIOMapping(RADIOLIB_PIN_TYPE pin, uint8_t value);
353 
354  #if defined(RADIOLIB_INTERRUPT_TIMING)
355 
362  void setInterruptSetup(void (*func)(uint32_t));
363 
368  void setTimerFlag();
369 
370  #endif
371 
372 #if !defined(RADIOLIB_EXCLUDE_DIRECT_RECEIVE)
373  protected:
374  void updateDirectBuffer(uint8_t bit);
375 #endif
376 
377 #if !defined(RADIOLIB_GODMODE)
378  private:
379 #endif
380  float _freqStep;
381  size_t _maxPacketLength;
382 
383  #if !defined(RADIOLIB_EXCLUDE_DIRECT_RECEIVE)
384  uint8_t _bufferBitPos;
385  uint8_t _bufferWritePos;
386  uint8_t _bufferReadPos;
387  uint8_t _buffer[RADIOLIB_STATIC_ARRAY_SIZE];
388  uint32_t _syncBuffer;
389  uint32_t _directSyncWord;
390  uint8_t _directSyncWordLen;
391  uint32_t _directSyncWordMask;
392  bool _gotSync;
393  #endif
394 
395  virtual Module* getMod() = 0;
396 
397  // allow specific classes access the private getMod method
398  friend class AFSKClient;
399  friend class RTTYClient;
400  friend class MorseClient;
401  friend class HellClient;
402  friend class SSTVClient;
403  friend class AX25Client;
404  friend class FSK4Client;
405  friend class PagerClient;
406 };
407 
408 #endif
Client for audio-based transmissions. Requires Arduino tone() function, and a module capable of direc...
Definition: AFSK.h:17
Client for AX25 communication.
Definition: AX25.h:279
Client for FSK-4 communication. The public interface is the same as Arduino Serial.
Definition: FSK4.h:16
Client for Hellschreiber transmissions.
Definition: Hellschreiber.h:89
Implements all common low-level methods to control the wireless module. Every module class contains o...
Definition: Module.h:16
Client for Morse Code communication. The public interface is the same as Arduino Serial.
Definition: Morse.h:93
Client for Pager communication.
Definition: Pager.h:69
Provides common interface for protocols that run on LoRa/FSK modules, such as RTTY or LoRaWAN....
Definition: PhysicalLayer.h:14
virtual uint8_t randomByte()
Get one truly random byte from RSSI noise. Must be implemented in module class.
Definition: PhysicalLayer.cpp:261
virtual int16_t finishTransmit()
Clean up after transmission is done.
Definition: PhysicalLayer.cpp:137
virtual int16_t setFrequencyDeviation(float freqDev)
Sets FSK frequency deviation from carrier frequency. Only available in FSK mode. Must be implemented ...
Definition: PhysicalLayer.cpp:209
virtual size_t getPacketLength(bool update=true)
Query modem for the packet length of received payload. Must be implemented in module class.
Definition: PhysicalLayer.cpp:228
void dropSync()
Forcefully drop synchronization.
Definition: PhysicalLayer.cpp:284
virtual int16_t setDIOMapping(RADIOLIB_PIN_TYPE pin, uint8_t value)
Configure DIO pin mapping to get a given signal on a DIO pin (if available).
Definition: PhysicalLayer.cpp:362
uint8_t read(bool drop=true)
Get data from direct mode buffer.
Definition: PhysicalLayer.cpp:291
PhysicalLayer(float freqStep, size_t maxPacketLength)
Default constructor.
Definition: PhysicalLayer.cpp:3
int16_t startDirect()
Configure module parameters for direct modes. Must be called prior to "ham" modes like RTTY or AX....
Definition: PhysicalLayer.cpp:265
virtual int16_t setFrequency(float freq)
Sets carrier frequency. Must be implemented in module class.
Definition: PhysicalLayer.cpp:199
int16_t setDirectSyncWord(uint32_t syncWord, uint8_t len)
Set sync word to be used to determine start of packet in direct reception mode.
Definition: PhysicalLayer.cpp:299
float getFreqStep() const
Gets the module frequency step size that was set in constructor.
Definition: PhysicalLayer.cpp:224
virtual int16_t transmitDirect(uint32_t frf=0)
Enables direct transmission mode on pins DIO1 (clock) and DIO2 (data). Must be implemented in module ...
Definition: PhysicalLayer.cpp:190
int16_t transmit(__FlashStringHelper *fstr, uint8_t addr=0)
Arduino Flash String transmit method.
Definition: PhysicalLayer.cpp:12
int16_t available()
Get the number of direct mode bytes currently available in buffer.
Definition: PhysicalLayer.cpp:280
virtual void setDirectAction(void(*func)(void))
Set interrupt service routine function to call when data bit is receveid in direct mode....
Definition: PhysicalLayer.cpp:352
virtual int16_t setEncoding(uint8_t encoding)
Sets FSK data encoding. Only available in FSK mode. Must be implemented in module class.
Definition: PhysicalLayer.cpp:219
virtual int16_t standby()
Sets module to standby.
Definition: PhysicalLayer.cpp:113
int32_t random(int32_t max)
Get truly random number in range 0 - max.
Definition: PhysicalLayer.cpp:233
virtual int16_t receiveDirect()
Enables direct reception mode on pins DIO1 (clock) and DIO2 (data). Must be implemented in module cla...
Definition: PhysicalLayer.cpp:195
virtual void readBit(RADIOLIB_PIN_TYPE pin)
Function to read and process data bit in direct reception mode. Must be implemented in module class.
Definition: PhysicalLayer.cpp:356
int16_t readData(String &str, size_t len=0)
Reads data that was received after calling startReceive method.
Definition: PhysicalLayer.cpp:141
virtual int16_t setDataShaping(uint8_t sh)
Sets GFSK data shaping. Only available in FSK mode. Must be implemented in module class.
Definition: PhysicalLayer.cpp:214
virtual int16_t setBitRate(float br)
Sets FSK bit rate. Only available in FSK mode. Must be implemented in module class.
Definition: PhysicalLayer.cpp:204
int16_t startTransmit(String &str, uint8_t addr=0)
Interrupt-driven Arduino String transmit method. Unlike the standard transmit method,...
Definition: PhysicalLayer.cpp:122
int16_t receive(String &str, size_t len=0)
Arduino String receive method.
Definition: PhysicalLayer.cpp:60
Client for RTTY communication. The public interface is the same as Arduino Serial.
Definition: RTTY.h:88
Client for SSTV transmissions.
Definition: SSTV.h:120