RadioLib
Universal wireless communication library for Arduino
Module.h
1 #ifndef _RADIOLIB_MODULE_H
2 #define _RADIOLIB_MODULE_H
3 
4 #include "TypeDef.h"
5 
6 #include <SPI.h>
7 #ifndef RADIOLIB_SOFTWARE_SERIAL_UNSUPPORTED
8 #include <SoftwareSerial.h>
9 #endif
10 
17 class Module {
18  public:
19 
31 #ifdef RADIOLIB_SOFTWARE_SERIAL_UNSUPPORTED
32  Module(RADIOLIB_PIN_TYPE rx, RADIOLIB_PIN_TYPE tx, HardwareSerial* serial = &RADIOLIB_HARDWARE_SERIAL_PORT, RADIOLIB_PIN_TYPE rst = RADIOLIB_NC);
33 #else
34  Module(RADIOLIB_PIN_TYPE rx, RADIOLIB_PIN_TYPE tx, HardwareSerial* serial = nullptr, RADIOLIB_PIN_TYPE rst = RADIOLIB_NC);
35 #endif
36 
46  Module(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst);
47 
59  Module(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE gpio);
60 
74  Module(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, SPIClass& spi, SPISettings spiSettings);
75 
91  Module(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE gpio, SPIClass& spi, SPISettings spiSettings = SPISettings(2000000, MSBFIRST, SPI_MODE0));
92 
112 #ifdef RADIOLIB_SOFTWARE_SERIAL_UNSUPPORTED
113  Module(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE rx, RADIOLIB_PIN_TYPE tx, SPIClass& spi = RADIOLIB_DEFAULT_SPI, SPISettings spiSettings = SPISettings(2000000, MSBFIRST, SPI_MODE0), HardwareSerial* serial = &RADIOLIB_HARDWARE_SERIAL_PORT);
114 #else
115  Module(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE rx, RADIOLIB_PIN_TYPE tx, SPIClass& spi = RADIOLIB_DEFAULT_SPI, SPISettings spiSettings = SPISettings(2000000, MSBFIRST, SPI_MODE0), HardwareSerial* serial = nullptr);
116 #endif
117 
123  Module(const Module& mod);
124 
130  Module& operator=(const Module& mod);
131 
132  // public member variables
133 
137 #ifdef RADIOLIB_SOFTWARE_SERIAL_UNSUPPORTED
138  HardwareSerial* ModuleSerial;
139 #else
140  SoftwareSerial* ModuleSerial;
141 #endif
142 
146  uint32_t baudrate = 9600;
147 
151  char AtLineFeed[3] = {'\r', '\n'};
152 
156  uint8_t SPIreadCommand = 0b00000000;
157 
161  uint8_t SPIwriteCommand = 0b10000000;
162 
163  // basic methods
164 
170  void init(uint8_t interface);
171 
177  void term(uint8_t interface);
178 
179  // AT methods
180 
184  void ATemptyBuffer();
185 
191  bool ATgetResponse();
192 
200  bool ATsendCommand(const char* cmd);
201 
211  bool ATsendData(uint8_t* data, uint32_t len);
212 
213  // SPI methods
214 
226  int16_t SPIgetRegValue(uint8_t reg, uint8_t msb = 7, uint8_t lsb = 0);
227 
245  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);
246 
256  void SPIreadRegisterBurst(uint8_t reg, uint8_t numBytes, uint8_t* inBytes);
257 
265  uint8_t SPIreadRegister(uint8_t reg);
266 
276  void SPIwriteRegisterBurst(uint8_t reg, uint8_t* data, uint8_t numBytes);
277 
285  void SPIwriteRegister(uint8_t reg, uint8_t data);
286 
300  void SPItransfer(uint8_t cmd, uint8_t reg, uint8_t* dataOut, uint8_t* dataIn, uint8_t numBytes);
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(_rx); }
331 
337  RADIOLIB_PIN_TYPE getRx() const { return(_rx); }
338 
344  RADIOLIB_PIN_TYPE getTx() const { return(_tx); }
345 
351  SPIClass* getSpi() const { return(_spi); }
352 
358  SPISettings getSpiSettings() const { return(_spiSettings); }
359 
368  void setRfSwitchPins(RADIOLIB_PIN_TYPE rxEn, RADIOLIB_PIN_TYPE txEn);
369 
377  void setRfSwitchState(RADIOLIB_PIN_STATUS rxPinState, RADIOLIB_PIN_STATUS txPinState);
378 
379  // Arduino core overrides
380 
388  static void pinMode(RADIOLIB_PIN_TYPE pin, RADIOLIB_PIN_MODE mode);
389 
397  static void digitalWrite(RADIOLIB_PIN_TYPE pin, RADIOLIB_PIN_STATUS value);
398 
406  static RADIOLIB_PIN_STATUS digitalRead(RADIOLIB_PIN_TYPE pin);
407 
415  static void tone(RADIOLIB_PIN_TYPE pin, uint16_t value);
416 
422  static void noTone(RADIOLIB_PIN_TYPE pin);
423 
433  static void attachInterrupt(RADIOLIB_PIN_TYPE interruptNum, void (*userFunc)(void), RADIOLIB_INTERRUPT_STATUS mode);
434 
440  static void detachInterrupt(RADIOLIB_PIN_TYPE interruptNum);
441 
445  static void yield();
446 
452  static void delay(uint32_t ms);
453 
459  static void delayMicroseconds(uint32_t us);
460 
464  static uint32_t millis();
465 
469  static uint32_t micros();
470 
474  static uint8_t flipBits(uint8_t b);
475 
479  static uint16_t flipBits16(uint16_t i);
480 
481 #ifndef RADIOLIB_GODMODE
482  private:
483 #endif
484  RADIOLIB_PIN_TYPE _cs = RADIOLIB_NC;
485  RADIOLIB_PIN_TYPE _irq = RADIOLIB_NC;
486  RADIOLIB_PIN_TYPE _rst = RADIOLIB_NC;
487  RADIOLIB_PIN_TYPE _rx = RADIOLIB_NC;
488  RADIOLIB_PIN_TYPE _tx = RADIOLIB_NC;
489 
490  SPISettings _spiSettings = SPISettings(2000000, MSBFIRST, SPI_MODE0);
491 
492  bool _initInterface = false;
493  SPIClass* _spi = NULL;
494 
495  bool _useRfSwitch = false;
496  RADIOLIB_PIN_TYPE _rxEn = RADIOLIB_NC, _txEn = RADIOLIB_NC;
497 
498  uint32_t _ATtimeout = 15000;
499 };
500 
501 #endif
Module::Module
Module(RADIOLIB_PIN_TYPE rx, RADIOLIB_PIN_TYPE tx, HardwareSerial *serial=nullptr, RADIOLIB_PIN_TYPE rst=RADIOLIB_NC)
UART-based module constructor.
Definition: Module.cpp:29
Module::pinMode
static 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:323
Module::getIrq
RADIOLIB_PIN_TYPE getIrq() const
Access method to get the pin number of interrupt/GPIO.
Definition: Module.h:316
Module::getRx
RADIOLIB_PIN_TYPE getRx() const
Access method to get the pin number of UART Rx.
Definition: Module.h:337
Module::digitalRead
static RADIOLIB_PIN_STATUS digitalRead(RADIOLIB_PIN_TYPE pin)
Arduino core digitalWrite override that checks RADIOLIB_NC as alias for unused pin.
Definition: Module.cpp:335
Module::SPItransfer
void SPItransfer(uint8_t cmd, uint8_t reg, uint8_t *dataOut, uint8_t *dataIn, uint8_t numBytes)
SPI single transfer method.
Definition: Module.cpp:276
Module::SPIgetRegValue
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:199
Module::getSpi
SPIClass * getSpi() const
Access method to get the SPI interface.
Definition: Module.h:351
Module::ModuleSerial
SoftwareSerial * ModuleSerial
Internal SoftwareSerial instance.
Definition: Module.h:140
Module::AtLineFeed
char AtLineFeed[3]
Line feed to be used when sending AT commands. Defaults to CR+LF.
Definition: Module.h:151
Module::ATgetResponse
bool ATgetResponse()
Get response after sending AT command.
Definition: Module.cpp:175
Module::getRst
RADIOLIB_PIN_TYPE getRst() const
Access method to get the pin number of hardware reset pin.
Definition: Module.h:323
Module::SPIwriteCommand
uint8_t SPIwriteCommand
Basic SPI write command. Defaults to 0x80.
Definition: Module.h:161
Module::ATsendData
bool ATsendData(uint8_t *data, uint32_t len)
Send raw AT data. Will also call ATgetResponse.
Definition: Module.cpp:165
Module::delay
static void delay(uint32_t ms)
Arduino core delay override.
Definition: Module.cpp:385
Module::yield
static void yield()
Arduino core yield override.
Definition: Module.cpp:381
Module::digitalWrite
static 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:329
Module::micros
static uint32_t micros()
Arduino core micros override.
Definition: Module.cpp:397
Module::getCs
RADIOLIB_PIN_TYPE getCs() const
Access method to get the pin number of SPI chip select.
Definition: Module.h:309
Module::SPIsetRegValue
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:209
Module::ATemptyBuffer
void ATemptyBuffer()
Empty internal AT buffer.
Definition: Module.cpp:152
Module::SPIwriteRegister
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:272
Module::term
void term(uint8_t interface)
Terminate low-level module control.
Definition: Module.cpp:137
Module::noTone
static 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:358
Module::setRfSwitchPins
void setRfSwitchPins(RADIOLIB_PIN_TYPE rxEn, RADIOLIB_PIN_TYPE txEn)
Some modules contain external RF switch controlled by two pins. This function gives RadioLib control ...
Definition: Module.cpp:416
Module::getTx
RADIOLIB_PIN_TYPE getTx() const
Access method to get the pin number of UART Rx.
Definition: Module.h:344
Module::getGpio
RADIOLIB_PIN_TYPE getGpio() const
Access method to get the pin number of second interrupt/GPIO.
Definition: Module.h:330
Module::flipBits16
static uint16_t flipBits16(uint16_t i)
Function to reflect bits within an integer.
Definition: Module.cpp:408
Module::SPIreadRegister
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:262
Module
Implements all common low-level SPI/UART/I2C methods to control the wireless module....
Definition: Module.h:17
Module::operator=
Module & operator=(const Module &mod)
Overload for assignment operator.
Definition: Module.cpp:96
Module::init
void init(uint8_t interface)
Initialize low-level module control.
Definition: Module.cpp:113
Module::SPIreadCommand
uint8_t SPIreadCommand
Basic SPI read command. Defaults to 0x00.
Definition: Module.h:156
Module::detachInterrupt
static void detachInterrupt(RADIOLIB_PIN_TYPE interruptNum)
Arduino core detachInterrupt override.
Definition: Module.cpp:377
Module::getSpiSettings
SPISettings getSpiSettings() const
Access method to get the SPI interface settings.
Definition: Module.h:358
Module::setRfSwitchState
void setRfSwitchState(RADIOLIB_PIN_STATUS rxPinState, RADIOLIB_PIN_STATUS txPinState)
Set RF switch state.
Definition: Module.cpp:424
Module::SPIreadRegisterBurst
void SPIreadRegisterBurst(uint8_t reg, uint8_t numBytes, uint8_t *inBytes)
SPI burst read method.
Definition: Module.cpp:258
Module::tone
static void tone(RADIOLIB_PIN_TYPE pin, uint16_t value)
Arduino core tone override that checks RADIOLIB_NC as alias for unused pin and RADIOLIB_TONE_UNSUPPOR...
Definition: Module.cpp:342
Module::flipBits
static uint8_t flipBits(uint8_t b)
Function to reflect bits within a byte.
Definition: Module.cpp:401
Module::baudrate
uint32_t baudrate
Baud rate of SoftwareSerial UART communication. Defaults to 9600 baud.
Definition: Module.h:146
Module::millis
static uint32_t millis()
Arduino core millis override.
Definition: Module.cpp:393
Module::ATsendCommand
bool ATsendCommand(const char *cmd)
Send AT command. Will also call ATgetResponse.
Definition: Module.cpp:158
Module::delayMicroseconds
static void delayMicroseconds(uint32_t us)
Arduino core delayMicroseconds override.
Definition: Module.cpp:389
Module::attachInterrupt
static void attachInterrupt(RADIOLIB_PIN_TYPE interruptNum, void(*userFunc)(void), RADIOLIB_INTERRUPT_STATUS mode)
Arduino core attachInterrupt override.
Definition: Module.cpp:373
Module::SPIwriteRegisterBurst
void SPIwriteRegisterBurst(uint8_t reg, uint8_t *data, uint8_t numBytes)
SPI burst write method.
Definition: Module.cpp:268