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 
30  #if defined(RADIOLIB_BUILD_ARDUINO)
40  int16_t transmit(__FlashStringHelper* fstr, uint8_t addr = 0);
41 
51  int16_t transmit(String& str, uint8_t addr = 0);
52  #endif
53 
63  int16_t transmit(const char* str, uint8_t addr = 0);
64 
76  virtual int16_t transmit(uint8_t* data, size_t len, uint8_t addr = 0);
77 
78  #if defined(RADIOLIB_BUILD_ARDUINO)
88  int16_t receive(String& str, size_t len = 0);
89  #endif
90 
96  virtual int16_t sleep();
97 
103  virtual int16_t standby();
104 
110  virtual int16_t standby(uint8_t mode);
111 
125  virtual int16_t startReceive(uint32_t timeout, uint16_t irqFlags, uint16_t irqMask, size_t len);
126 
136  virtual int16_t receive(uint8_t* data, size_t len);
137 
138  #if defined(RADIOLIB_BUILD_ARDUINO)
149  int16_t startTransmit(String& str, uint8_t addr = 0);
150  #endif
151 
162  int16_t startTransmit(const char* str, uint8_t addr = 0);
163 
175  virtual int16_t startTransmit(uint8_t* data, size_t len, uint8_t addr = 0);
176 
182  virtual int16_t finishTransmit();
183 
184  #if defined(RADIOLIB_BUILD_ARDUINO)
195  int16_t readData(String& str, size_t len = 0);
196  #endif
197 
208  virtual int16_t readData(uint8_t* data, size_t len);
209 
218  virtual int16_t transmitDirect(uint32_t frf = 0);
219 
226  virtual int16_t receiveDirect();
227 
228  // configuration methods
229 
237  virtual int16_t setFrequency(float freq);
238 
246  virtual int16_t setBitRate(float br);
247 
255  virtual int16_t setFrequencyDeviation(float freqDev);
256 
264  virtual int16_t setDataShaping(uint8_t sh);
265 
273  virtual int16_t setEncoding(uint8_t encoding);
274 
280  float getFreqStep() const;
281 
289  virtual size_t getPacketLength(bool update = true);
290 
296  virtual float getRSSI();
297 
303  virtual float getSNR();
304 
312  int32_t random(int32_t max);
313 
323  int32_t random(int32_t min, int32_t max);
324 
330  virtual uint8_t randomByte();
331 
337  int16_t startDirect();
338 
339  #if !defined(RADIOLIB_EXCLUDE_DIRECT_RECEIVE)
349  int16_t setDirectSyncWord(uint32_t syncWord, uint8_t len);
350 
356  virtual void setDirectAction(void (*func)(void));
357 
363  virtual void readBit(RADIOLIB_PIN_TYPE pin);
364 
370  int16_t available();
371 
375  void dropSync();
376 
384  uint8_t read(bool drop = true);
385  #endif
386 
396  virtual int16_t setDIOMapping(RADIOLIB_PIN_TYPE pin, uint8_t value);
397 
403  virtual void setDio1Action(void (*func)(void));
404 
408  virtual void clearDio1Action();
409 
410  #if defined(RADIOLIB_INTERRUPT_TIMING)
411 
418  void setInterruptSetup(void (*func)(uint32_t));
419 
424  void setTimerFlag();
425 
426  #endif
427 
428 #if !defined(RADIOLIB_EXCLUDE_DIRECT_RECEIVE)
429  protected:
430  void updateDirectBuffer(uint8_t bit);
431 #endif
432 
433 #if !defined(RADIOLIB_GODMODE)
434  private:
435 #endif
436  float _freqStep;
437  size_t _maxPacketLength;
438 
439  #if !defined(RADIOLIB_EXCLUDE_DIRECT_RECEIVE)
440  uint8_t _bufferBitPos;
441  uint8_t _bufferWritePos;
442  uint8_t _bufferReadPos;
443  uint8_t _buffer[RADIOLIB_STATIC_ARRAY_SIZE];
444  uint32_t _syncBuffer;
445  uint32_t _directSyncWord;
446  uint8_t _directSyncWordLen;
447  uint32_t _directSyncWordMask;
448  bool _gotSync;
449  #endif
450 
451  virtual Module* getMod() = 0;
452 
453  // allow specific classes access the private getMod method
454  friend class AFSKClient;
455  friend class RTTYClient;
456  friend class MorseClient;
457  friend class HellClient;
458  friend class SSTVClient;
459  friend class AX25Client;
460  friend class FSK4Client;
461  friend class PagerClient;
462 };
463 
464 #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:130
virtual uint8_t randomByte()
Get one truly random byte from RSSI noise. Must be implemented in module class.
Definition: PhysicalLayer.cpp:289
virtual int16_t finishTransmit()
Clean up after transmission is done.
Definition: PhysicalLayer.cpp:155
virtual int16_t setFrequencyDeviation(float freqDev)
Sets FSK frequency deviation from carrier frequency. Only available in FSK mode. Must be implemented ...
Definition: PhysicalLayer.cpp:229
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:248
virtual int16_t readData(uint8_t *data, size_t len)
Reads data that was received after calling startReceive method.
Definition: PhysicalLayer.cpp:204
void dropSync()
Forcefully drop synchronization.
Definition: PhysicalLayer.cpp:312
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:388
int16_t transmit(const char *str, uint8_t addr=0)
C-string transmit method.
Definition: PhysicalLayer.cpp:51
uint8_t read(bool drop=true)
Get data from direct mode buffer.
Definition: PhysicalLayer.cpp:319
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:394
int16_t startDirect()
Configure module parameters for direct modes. Must be called prior to "ham" modes like RTTY or AX....
Definition: PhysicalLayer.cpp:293
virtual int16_t setFrequency(float freq)
Sets carrier frequency. Must be implemented in module class.
Definition: PhysicalLayer.cpp:219
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:327
int16_t startTransmit(const char *str, uint8_t addr=0)
Interrupt-driven Arduino String transmit method. Unlike the standard transmit method,...
Definition: PhysicalLayer.cpp:144
float getFreqStep() const
Gets the module frequency step size that was set in constructor.
Definition: PhysicalLayer.cpp:244
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:210
virtual float getRSSI()
Gets RSSI (Recorded Signal Strength Indicator) of the last received packet.
Definition: PhysicalLayer.cpp:253
int16_t available()
Get the number of direct mode bytes currently available in buffer.
Definition: PhysicalLayer.cpp:308
virtual int16_t receive(uint8_t *data, size_t len)
Binary receive method. Must be implemented in module class.
Definition: PhysicalLayer.cpp:111
virtual void setDirectAction(void(*func)(void))
Set interrupt service routine function to call when data bit is receveid in direct mode....
Definition: PhysicalLayer.cpp:378
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:239
virtual int16_t standby()
Sets module to standby.
Definition: PhysicalLayer.cpp:121
int32_t random(int32_t max)
Get truly random number in range 0 - max.
Definition: PhysicalLayer.cpp:261
virtual void clearDio1Action()
Clears interrupt service routine to call when DIO1 activates.
Definition: PhysicalLayer.cpp:398
virtual int16_t receiveDirect()
Enables direct reception mode on pins DIO1 (clock) and DIO2 (data). Must be implemented in module cla...
Definition: PhysicalLayer.cpp:215
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:382
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:234
virtual int16_t setBitRate(float br)
Sets FSK bit rate. Only available in FSK mode. Must be implemented in module class.
Definition: PhysicalLayer.cpp:224
virtual float getSNR()
Gets SNR (Signal to Noise Ratio) of the last received packet. Only available for LoRa modem.
Definition: PhysicalLayer.cpp:257
virtual int16_t sleep()
Sets module to sleep.
Definition: PhysicalLayer.cpp:117
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