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 sleep();
93 
99  virtual int16_t standby();
100 
106  virtual int16_t standby(uint8_t mode);
107 
121  virtual int16_t startReceive(uint32_t timeout, uint16_t irqFlags, uint16_t irqMask, size_t len);
122 
132  virtual int16_t receive(uint8_t* data, size_t len);
133 
144  int16_t startTransmit(String& str, uint8_t addr = 0);
145 
156  int16_t startTransmit(const char* str, uint8_t addr = 0);
157 
169  virtual int16_t startTransmit(uint8_t* data, size_t len, uint8_t addr = 0);
170 
176  virtual int16_t finishTransmit();
177 
188  int16_t readData(String& str, size_t len = 0);
189 
200  virtual int16_t readData(uint8_t* data, size_t len);
201 
210  virtual int16_t transmitDirect(uint32_t frf = 0);
211 
218  virtual int16_t receiveDirect();
219 
220  // configuration methods
221 
229  virtual int16_t setFrequency(float freq);
230 
238  virtual int16_t setBitRate(float br);
239 
247  virtual int16_t setFrequencyDeviation(float freqDev);
248 
256  virtual int16_t setDataShaping(uint8_t sh);
257 
265  virtual int16_t setEncoding(uint8_t encoding);
266 
272  float getFreqStep() const;
273 
281  virtual size_t getPacketLength(bool update = true);
282 
288  virtual float getRSSI();
289 
295  virtual float getSNR();
296 
304  int32_t random(int32_t max);
305 
315  int32_t random(int32_t min, int32_t max);
316 
322  virtual uint8_t randomByte();
323 
329  int16_t startDirect();
330 
331  #if !defined(RADIOLIB_EXCLUDE_DIRECT_RECEIVE)
341  int16_t setDirectSyncWord(uint32_t syncWord, uint8_t len);
342 
348  virtual void setDirectAction(void (*func)(void));
349 
355  virtual void readBit(RADIOLIB_PIN_TYPE pin);
356 
362  int16_t available();
363 
367  void dropSync();
368 
376  uint8_t read(bool drop = true);
377  #endif
378 
388  virtual int16_t setDIOMapping(RADIOLIB_PIN_TYPE pin, uint8_t value);
389 
395  virtual void setDio1Action(void (*func)(void));
396 
400  virtual void clearDio1Action();
401 
402  #if defined(RADIOLIB_INTERRUPT_TIMING)
403 
410  void setInterruptSetup(void (*func)(uint32_t));
411 
416  void setTimerFlag();
417 
418  #endif
419 
420 #if !defined(RADIOLIB_EXCLUDE_DIRECT_RECEIVE)
421  protected:
422  void updateDirectBuffer(uint8_t bit);
423 #endif
424 
425 #if !defined(RADIOLIB_GODMODE)
426  private:
427 #endif
428  float _freqStep;
429  size_t _maxPacketLength;
430 
431  #if !defined(RADIOLIB_EXCLUDE_DIRECT_RECEIVE)
432  uint8_t _bufferBitPos;
433  uint8_t _bufferWritePos;
434  uint8_t _bufferReadPos;
435  uint8_t _buffer[RADIOLIB_STATIC_ARRAY_SIZE];
436  uint32_t _syncBuffer;
437  uint32_t _directSyncWord;
438  uint8_t _directSyncWordLen;
439  uint32_t _directSyncWordMask;
440  bool _gotSync;
441  #endif
442 
443  virtual Module* getMod() = 0;
444 
445  // allow specific classes access the private getMod method
446  friend class AFSKClient;
447  friend class RTTYClient;
448  friend class MorseClient;
449  friend class HellClient;
450  friend class SSTVClient;
451  friend class AX25Client;
452  friend class FSK4Client;
453  friend class PagerClient;
454 };
455 
456 #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:28
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 int16_t startReceive(uint32_t timeout, uint16_t irqFlags, uint16_t irqMask, size_t len)
Interrupt-driven receive method. A DIO pin will be activated when full packet is received....
Definition: PhysicalLayer.cpp:126
virtual uint8_t randomByte()
Get one truly random byte from RSSI noise. Must be implemented in module class.
Definition: PhysicalLayer.cpp:281
virtual int16_t finishTransmit()
Clean up after transmission is done.
Definition: PhysicalLayer.cpp:149
virtual int16_t setFrequencyDeviation(float freqDev)
Sets FSK frequency deviation from carrier frequency. Only available in FSK mode. Must be implemented ...
Definition: PhysicalLayer.cpp:221
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:240
void dropSync()
Forcefully drop synchronization.
Definition: PhysicalLayer.cpp:304
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:382
uint8_t read(bool drop=true)
Get data from direct mode buffer.
Definition: PhysicalLayer.cpp:311
PhysicalLayer(float freqStep, size_t maxPacketLength)
Default constructor.
Definition: PhysicalLayer.cpp:3
virtual void setDio1Action(void(*func)(void))
Sets interrupt service routine to call when DIO1 activates.
Definition: PhysicalLayer.cpp:388
int16_t startDirect()
Configure module parameters for direct modes. Must be called prior to "ham" modes like RTTY or AX....
Definition: PhysicalLayer.cpp:285
virtual int16_t setFrequency(float freq)
Sets carrier frequency. Must be implemented in module class.
Definition: PhysicalLayer.cpp:211
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:319
float getFreqStep() const
Gets the module frequency step size that was set in constructor.
Definition: PhysicalLayer.cpp:236
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:202
virtual float getRSSI()
Gets RSSI (Recorded Signal Strength Indicator) of the last received packet.
Definition: PhysicalLayer.cpp:245
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:300
virtual void setDirectAction(void(*func)(void))
Set interrupt service routine function to call when data bit is receveid in direct mode....
Definition: PhysicalLayer.cpp:372
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:231
virtual int16_t standby()
Sets module to standby.
Definition: PhysicalLayer.cpp:117
int32_t random(int32_t max)
Get truly random number in range 0 - max.
Definition: PhysicalLayer.cpp:253
virtual void clearDio1Action()
Clears interrupt service routine to call when DIO1 activates.
Definition: PhysicalLayer.cpp:392
virtual int16_t receiveDirect()
Enables direct reception mode on pins DIO1 (clock) and DIO2 (data). Must be implemented in module cla...
Definition: PhysicalLayer.cpp:207
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:376
int16_t readData(String &str, size_t len=0)
Reads data that was received after calling startReceive method.
Definition: PhysicalLayer.cpp:153
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:226
virtual int16_t setBitRate(float br)
Sets FSK bit rate. Only available in FSK mode. Must be implemented in module class.
Definition: PhysicalLayer.cpp:216
virtual float getSNR()
Gets SNR (Signal to Noise Ratio) of the last received packet. Only available for LoRa modem.
Definition: PhysicalLayer.cpp:249
int16_t startTransmit(String &str, uint8_t addr=0)
Interrupt-driven Arduino String transmit method. Unlike the standard transmit method,...
Definition: PhysicalLayer.cpp:134
virtual int16_t sleep()
Sets module to sleep.
Definition: PhysicalLayer.cpp:113
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