RadioLib
Universal wireless communication library for Arduino
Module.h
1 #if !defined(_RADIOLIB_MODULE_H)
2 #define _RADIOLIB_MODULE_H
3 
4 #include "TypeDef.h"
5 
6 #if defined(RADIOLIB_BUILD_ARDUINO)
7  #include <SPI.h>
8 #endif
9 
16 class Module {
17  public:
27  static const size_t RFSWITCH_MAX_PINS = 3;
28 
34  struct RfSwitchMode_t {
35  uint8_t mode;
36  RADIOLIB_PIN_STATUS values[RFSWITCH_MAX_PINS];
37  };
38 
46  enum OpMode_t {
57  };
58 
66 
67  #if defined(RADIOLIB_BUILD_ARDUINO)
68 
80  Module(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE gpio = RADIOLIB_NC);
81 
97  Module(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE gpio, SPIClass& spi, SPISettings spiSettings = RADIOLIB_DEFAULT_SPI_SETTINGS);
98 
99  #else
100 
112  Module(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE gpio = RADIOLIB_NC);
113 
114  #endif
115 
121  Module(const Module& mod);
122 
128  Module& operator=(const Module& mod);
129 
130  // public member variables
131 
135  uint8_t SPIreadCommand = 0b00000000;
136 
140  uint8_t SPIwriteCommand = 0b10000000;
141 
146  bool SPIstreamType = false;
147 
151  typedef int16_t (*SPIparseStatusCb_t)(uint8_t in);
152 
158 
159  #if defined(RADIOLIB_INTERRUPT_TIMING)
160 
164  typedef void (*TimerSetupCb_t)(uint32_t len);
165 
169  TimerSetupCb_t TimerSetupCb = nullptr;
170 
174  volatile bool TimerFlag = false;
175 
176  #endif
177 
178  // basic methods
179 
183  void init();
184 
188  void term();
189 
190  // SPI methods
191 
203  int16_t SPIgetRegValue(uint8_t reg, uint8_t msb = 7, uint8_t lsb = 0);
204 
222  int16_t SPIsetRegValue(uint8_t reg, uint8_t value, uint8_t msb = 7, uint8_t lsb = 0, uint8_t checkInterval = 2, uint8_t checkMask = 0xFF);
223 
233  void SPIreadRegisterBurst(uint8_t reg, uint8_t numBytes, uint8_t* inBytes);
234 
242  uint8_t SPIreadRegister(uint8_t reg);
243 
253  void SPIwriteRegisterBurst(uint8_t reg, uint8_t* data, uint8_t numBytes);
254 
262  void SPIwriteRegister(uint8_t reg, uint8_t data);
263 
277  void SPItransfer(uint8_t cmd, uint8_t reg, uint8_t* dataOut, uint8_t* dataIn, uint8_t numBytes);
278 
300  int16_t SPItransferStream(uint8_t* cmd, uint8_t cmdLen, bool write, uint8_t* dataOut, uint8_t* dataIn, uint8_t numBytes, bool waitForGpio, uint32_t timeout);
301 
302  // pin number access methods
303 
309  RADIOLIB_PIN_TYPE getCs() const { return(_cs); }
310 
316  RADIOLIB_PIN_TYPE getIrq() const { return(_irq); }
317 
323  RADIOLIB_PIN_TYPE getRst() const { return(_rst); }
324 
330  RADIOLIB_PIN_TYPE getGpio() const { return(_gpio); }
331 
348  void setRfSwitchPins(RADIOLIB_PIN_TYPE rxEn, RADIOLIB_PIN_TYPE txEn);
349 
412  void setRfSwitchTable(const RADIOLIB_PIN_TYPE (&pins)[RFSWITCH_MAX_PINS], const RfSwitchMode_t table[]);
413 
423  const RfSwitchMode_t *findRfSwitchMode(uint8_t mode) const;
424 
429  void setRfSwitchState(uint8_t mode);
430 
439  void waitForMicroseconds(uint32_t start, uint32_t len);
440 
441  // Arduino core overrides
442 
450  void pinMode(RADIOLIB_PIN_TYPE pin, RADIOLIB_PIN_MODE mode);
451 
459  void digitalWrite(RADIOLIB_PIN_TYPE pin, RADIOLIB_PIN_STATUS value);
460 
468  RADIOLIB_PIN_STATUS digitalRead(RADIOLIB_PIN_TYPE pin);
469 
477  void tone(RADIOLIB_PIN_TYPE pin, uint16_t value, uint32_t duration = 0);
478 
484  void noTone(RADIOLIB_PIN_TYPE pin);
485 
495  void attachInterrupt(RADIOLIB_PIN_TYPE interruptNum, void (*userFunc)(void), RADIOLIB_INTERRUPT_STATUS mode);
496 
502  void detachInterrupt(RADIOLIB_PIN_TYPE interruptNum);
503 
507  void yield();
508 
514  void delay(uint32_t ms);
515 
521  void delayMicroseconds(uint32_t us);
522 
526  uint32_t millis();
527 
531  uint32_t micros();
532 
536  uint32_t pulseIn(RADIOLIB_PIN_TYPE pin, RADIOLIB_PIN_STATUS state, uint32_t timeout);
537 
541  void begin();
542 
546  void beginTransaction();
547 
551  uint8_t transfer(uint8_t b);
552 
556  void endTransaction();
557 
561  void end();
562 
563  // helper functions to set up SPI overrides on Arduino
564  #if defined(RADIOLIB_BUILD_ARDUINO)
565  void SPIbegin();
566  void SPIend();
567  #endif
568  virtual void SPIbeginTransaction();
569  virtual uint8_t SPItransfer(uint8_t b);
570  virtual void SPIendTransaction();
571 
575  static uint8_t flipBits(uint8_t b);
576 
580  static uint16_t flipBits16(uint16_t i);
581 
589  static void hexdump(uint8_t* data, size_t len);
590 
598  void regdump(uint8_t start, uint8_t len);
599 
600 #if !defined(RADIOLIB_GODMODE)
601  private:
602 #endif
603 
604  // pins
605  RADIOLIB_PIN_TYPE _cs = RADIOLIB_NC;
606  RADIOLIB_PIN_TYPE _irq = RADIOLIB_NC;
607  RADIOLIB_PIN_TYPE _rst = RADIOLIB_NC;
608  RADIOLIB_PIN_TYPE _gpio = RADIOLIB_NC;
609 
610  // SPI interface (Arduino only)
611  #if defined(RADIOLIB_BUILD_ARDUINO)
612  SPIClass* _spi = NULL;
613  SPISettings _spiSettings = RADIOLIB_DEFAULT_SPI_SETTINGS;
614  bool _initInterface = false;
615  #endif
616 
617  // RF switch pins and table
618  RADIOLIB_PIN_TYPE _rfSwitchPins[RFSWITCH_MAX_PINS] = { RADIOLIB_NC, RADIOLIB_NC, RADIOLIB_NC };
619  const RfSwitchMode_t *_rfSwitchTable = nullptr;
620 
621  #if defined(RADIOLIB_INTERRUPT_TIMING)
622  uint32_t _prevTimingLen = 0;
623  #endif
624 
625  // hardware abstraction layer callbacks
626  // this is placed at the end of Module class because the callback generator macros
627  // screw with the private/public access specifiers
628  RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_PIN_MODE);
629  RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_DIGITAL_WRITE);
630  RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_DIGITAL_READ);
631  RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_TONE);
632  RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_NO_TONE);
633  RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_ATTACH_INTERRUPT);
634  RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_DETACH_INTERRUPT);
635  RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_YIELD);
636  RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_DELAY);
637  RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_DELAY_MICROSECONDS);
638  RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_MILLIS);
639  RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_MICROS);
640  RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_PULSE_IN);
641 
642  #if defined(RADIOLIB_BUILD_ARDUINO)
643  RADIOLIB_GENERATE_CALLBACK_SPI(RADIOLIB_CB_ARGS_SPI_BEGIN);
644  RADIOLIB_GENERATE_CALLBACK_SPI(RADIOLIB_CB_ARGS_SPI_BEGIN_TRANSACTION);
645  RADIOLIB_GENERATE_CALLBACK_SPI(RADIOLIB_CB_ARGS_SPI_TRANSFER);
646  RADIOLIB_GENERATE_CALLBACK_SPI(RADIOLIB_CB_ARGS_SPI_END_TRANSACTION);
647  RADIOLIB_GENERATE_CALLBACK_SPI(RADIOLIB_CB_ARGS_SPI_END);
648  #else
649  RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_SPI_BEGIN);
650  RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_SPI_BEGIN_TRANSACTION);
651  RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_SPI_TRANSFER);
652  RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_SPI_END_TRANSACTION);
653  RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_SPI_END);
654  #endif
655 };
656 
657 #endif
Implements all common low-level methods to control the wireless module. Every module class contains o...
Definition: Module.h:16
void endTransaction()
Arduino core SPI endTransaction override.
Definition: Module.cpp:573
static const size_t RFSWITCH_MAX_PINS
The maximum number of pins supported by the RF switch code.
Definition: Module.h:27
void setRfSwitchPins(RADIOLIB_PIN_TYPE rxEn, RADIOLIB_PIN_TYPE txEn)
Some modules contain external RF switch controlled by pins. This function gives RadioLib control over...
Definition: Module.cpp:681
Module(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE gpio=RADIOLIB_NC)
Default constructor.
Definition: Module.cpp:83
int16_t SPIsetRegValue(uint8_t reg, uint8_t value, uint8_t msb=7, uint8_t lsb=0, uint8_t checkInterval=2, uint8_t checkMask=0xFF)
Overwrite-safe SPI write method with verification. This method is the preferred SPI write mechanism.
Definition: Module.cpp:142
uint32_t pulseIn(RADIOLIB_PIN_TYPE pin, RADIOLIB_PIN_STATUS state, uint32_t timeout)
Arduino core pulseIn override.
Definition: Module.cpp:539
void delayMicroseconds(uint32_t us)
Arduino core delayMicroseconds override.
Definition: Module.cpp:518
static uint16_t flipBits16(uint16_t i)
Function to reflect bits within an integer.
Definition: Module.cpp:628
uint8_t SPIreadRegister(uint8_t reg)
SPI basic read method. Use of this method is reserved for special cases, SPIgetRegValue should be use...
Definition: Module.cpp:195
uint32_t millis()
Arduino core millis override.
Definition: Module.cpp:525
void yield()
Arduino core yield override.
Definition: Module.cpp:502
void tone(RADIOLIB_PIN_TYPE pin, uint16_t value, uint32_t duration=0)
Arduino core tone override that checks RADIOLIB_NC as alias for unused pin and RADIOLIB_TONE_UNSUPPOR...
Definition: Module.cpp:426
bool SPIstreamType
Whether the SPI interface is stream-type (e.g. SX126x) or register-type (e.g. SX127x)....
Definition: Module.h:146
void beginTransaction()
Arduino core SPI beginTransaction override.
Definition: Module.cpp:555
void term()
Terminate low-level module control.
Definition: Module.cpp:119
uint8_t transfer(uint8_t b)
Arduino core SPI transfer override.
Definition: Module.cpp:564
void digitalWrite(RADIOLIB_PIN_TYPE pin, RADIOLIB_PIN_STATUS value)
Arduino core digitalWrite override that checks RADIOLIB_NC as alias for unused pin.
Definition: Module.cpp:407
void waitForMicroseconds(uint32_t start, uint32_t len)
Wait for time to elapse, either using the microsecond timer, or the TimerFlag. Note that in interrupt...
Definition: Module.cpp:382
static const RfSwitchMode_t END_OF_MODE_TABLE
Definition: Module.h:65
Module & operator=(const Module &mod)
Overload for assignment operator.
Definition: Module.cpp:98
const RfSwitchMode_t * findRfSwitchMode(uint8_t mode) const
Find a mode in the RfSwitchTable.
Definition: Module.cpp:703
OpMode_t
Definition: Module.h:46
@ MODE_TX
Definition: Module.h:56
@ MODE_IDLE
Definition: Module.h:52
@ MODE_RX
Definition: Module.h:54
@ MODE_END_OF_TABLE
Definition: Module.h:50
void detachInterrupt(RADIOLIB_PIN_TYPE interruptNum)
Arduino core detachInterrupt override.
Definition: Module.cpp:495
void SPIreadRegisterBurst(uint8_t reg, uint8_t numBytes, uint8_t *inBytes)
SPI burst read method.
Definition: Module.cpp:191
void regdump(uint8_t start, uint8_t len)
Function to dump device registers as hex into the debug port.
Definition: Module.cpp:668
int16_t SPItransferStream(uint8_t *cmd, uint8_t cmdLen, bool write, uint8_t *dataOut, uint8_t *dataIn, uint8_t numBytes, bool waitForGpio, uint32_t timeout)
SPI single transfer method for modules with stream-type SPI interface (SX126x, SX128x etc....
Definition: Module.cpp:256
RADIOLIB_PIN_STATUS digitalRead(RADIOLIB_PIN_TYPE pin)
Arduino core digitalWrite override that checks RADIOLIB_NC as alias for unused pin.
Definition: Module.cpp:414
static uint8_t flipBits(uint8_t b)
Function to reflect bits within a byte.
Definition: Module.cpp:621
uint8_t SPIreadCommand
Basic SPI read command. Defaults to 0x00.
Definition: Module.h:135
void setRfSwitchTable(const RADIOLIB_PIN_TYPE(&pins)[RFSWITCH_MAX_PINS], const RfSwitchMode_t table[])
Some modules contain external RF switch controlled by pins. This function gives RadioLib control over...
Definition: Module.cpp:696
RADIOLIB_PIN_TYPE getIrq() const
Access method to get the pin number of interrupt/GPIO.
Definition: Module.h:316
void attachInterrupt(RADIOLIB_PIN_TYPE interruptNum, void(*userFunc)(void), RADIOLIB_INTERRUPT_STATUS mode)
Arduino core attachInterrupt override.
Definition: Module.cpp:488
int16_t(* SPIparseStatusCb_t)(uint8_t in)
SPI status parsing callback typedef.
Definition: Module.h:151
void SPIwriteRegisterBurst(uint8_t reg, uint8_t *data, uint8_t numBytes)
SPI burst write method.
Definition: Module.cpp:201
void end()
Arduino core SPI end override.
Definition: Module.cpp:582
void SPIwriteRegister(uint8_t reg, uint8_t data)
SPI basic write method. Use of this method is reserved for special cases, SPIsetRegValue should be us...
Definition: Module.cpp:205
static void hexdump(uint8_t *data, size_t len)
Function to dump data as hex into the debug port.
Definition: Module.cpp:636
void init()
Initialize low-level module control.
Definition: Module.cpp:109
int16_t SPIgetRegValue(uint8_t reg, uint8_t msb=7, uint8_t lsb=0)
SPI read method that automatically masks unused bits. This method is the preferred SPI read mechanism...
Definition: Module.cpp:132
RADIOLIB_PIN_TYPE getRst() const
Access method to get the pin number of hardware reset pin.
Definition: Module.h:323
RADIOLIB_PIN_TYPE getCs() const
Access method to get the pin number of SPI chip select.
Definition: Module.h:309
uint8_t SPIwriteCommand
Basic SPI write command. Defaults to 0x80.
Definition: Module.h:140
RADIOLIB_PIN_TYPE getGpio() const
Access method to get the pin number of second interrupt/GPIO.
Definition: Module.h:330
void SPItransfer(uint8_t cmd, uint8_t reg, uint8_t *dataOut, uint8_t *dataIn, uint8_t numBytes)
SPI single transfer method.
Definition: Module.cpp:209
void delay(uint32_t ms)
Arduino core delay override.
Definition: Module.cpp:511
uint32_t micros()
Arduino core micros override.
Definition: Module.cpp:532
void begin()
Arduino core SPI begin override.
Definition: Module.cpp:546
SPIparseStatusCb_t SPIparseStatusCb
Callback to function that will parse the module-specific status codes to RadioLib status codes....
Definition: Module.h:157
void pinMode(RADIOLIB_PIN_TYPE pin, RADIOLIB_PIN_MODE mode)
Arduino core pinMode override that checks RADIOLIB_NC as alias for unused pin.
Definition: Module.cpp:400
void noTone(RADIOLIB_PIN_TYPE pin)
Arduino core noTone override that checks RADIOLIB_NC as alias for unused pin and RADIOLIB_TONE_UNSUPP...
Definition: Module.cpp:461
void setRfSwitchState(uint8_t mode)
Set RF switch state.
Definition: Module.cpp:713
Definition: Module.h:34