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 #include "Hal.h"
6 
7 #if defined(RADIOLIB_BUILD_ARDUINO)
8  #include <SPI.h>
9 #endif
10 
11 #if defined(STM32WLxx)
12  #include <SubGhz.h>
13 #endif
14 
21 #define END_OF_MODE_TABLE { Module::MODE_END_OF_TABLE, {} }
22 
23 // default timeout for SPI transfers
24 #define RADIOLIB_MODULE_SPI_TIMEOUT (1000)
25 
31 class Module {
32  public:
42  static const size_t RFSWITCH_MAX_PINS = 3;
43 
49  struct RfSwitchMode_t {
50  uint8_t mode;
51  uint32_t values[RFSWITCH_MAX_PINS];
52  };
53 
61  enum OpMode_t {
72  };
73 
74  #if defined(RADIOLIB_BUILD_ARDUINO)
82  Module(uint32_t cs, uint32_t irq, uint32_t rst, uint32_t gpio = RADIOLIB_NC);
83 
93  Module(uint32_t cs, uint32_t irq, uint32_t rst, uint32_t gpio, SPIClass& spi, SPISettings spiSettings = RADIOLIB_DEFAULT_SPI_SETTINGS);
94  #endif
95 
104  Module(RadioLibHal *hal, uint32_t cs, uint32_t irq, uint32_t rst, uint32_t gpio = RADIOLIB_NC);
105 
110  Module(const Module& mod);
111 
116  Module& operator=(const Module& mod);
117 
118  // public member variables
122  RadioLibHal* hal = NULL;
123 
127  uint8_t SPIreadCommand = 0b00000000;
128 
132  uint8_t SPIwriteCommand = 0b10000000;
133 
137  uint8_t SPInopCommand = 0x00;
138 
142  uint8_t SPIstatusCommand = 0x00;
143 
147  uint8_t SPIaddrWidth = 8;
148 
153  bool SPIstreamType = false;
154 
159 
163  typedef int16_t (*SPIparseStatusCb_t)(uint8_t in);
164 
170 
171  #if defined(RADIOLIB_INTERRUPT_TIMING)
172 
176  typedef void (*TimerSetupCb_t)(uint32_t len);
177 
181  TimerSetupCb_t TimerSetupCb = nullptr;
182 
186  volatile bool TimerFlag = false;
187 
188  #endif
189 
190  // basic methods
191 
195  void init();
196 
200  void term();
201 
202  // SPI methods
203 
211  int16_t SPIgetRegValue(uint16_t reg, uint8_t msb = 7, uint8_t lsb = 0);
212 
223  int16_t SPIsetRegValue(uint16_t reg, uint8_t value, uint8_t msb = 7, uint8_t lsb = 0, uint8_t checkInterval = 2, uint8_t checkMask = 0xFF);
224 
231  void SPIreadRegisterBurst(uint16_t reg, size_t numBytes, uint8_t* inBytes);
232 
238  uint8_t SPIreadRegister(uint16_t reg);
239 
246  void SPIwriteRegisterBurst(uint16_t reg, uint8_t* data, size_t numBytes);
247 
253  void SPIwriteRegister(uint16_t reg, uint8_t data);
254 
263  void SPItransfer(uint8_t cmd, uint16_t reg, uint8_t* dataOut, uint8_t* dataIn, size_t numBytes);
264 
269  int16_t SPIcheckStream();
270 
280  int16_t SPIreadStream(uint8_t cmd, uint8_t* data, size_t numBytes, bool waitForGpio = true, bool verify = true);
281 
292  int16_t SPIreadStream(uint8_t* cmd, uint8_t cmdLen, uint8_t* data, size_t numBytes, bool waitForGpio = true, bool verify = true);
293 
303  int16_t SPIwriteStream(uint8_t cmd, uint8_t* data, size_t numBytes, bool waitForGpio = true, bool verify = true);
304 
315  int16_t SPIwriteStream(uint8_t* cmd, uint8_t cmdLen, uint8_t* data, size_t numBytes, bool waitForGpio = true, bool verify = true);
316 
329  int16_t SPItransferStream(uint8_t* cmd, uint8_t cmdLen, bool write, uint8_t* dataOut, uint8_t* dataIn, size_t numBytes, bool waitForGpio, uint32_t timeout);
330 
331  // pin number access methods
332 
337  uint32_t getCs() const { return(csPin); }
338 
343  uint32_t getIrq() const { return(irqPin); }
344 
349  uint32_t getRst() const { return(rstPin); }
350 
355  uint32_t getGpio() const { return(gpioPin); }
356 
373  void setRfSwitchPins(uint32_t rxEn, uint32_t txEn);
374 
437  void setRfSwitchTable(const uint32_t (&pins)[RFSWITCH_MAX_PINS], const RfSwitchMode_t table[]);
438 
446  const RfSwitchMode_t *findRfSwitchMode(uint8_t mode) const;
447 
452  void setRfSwitchState(uint8_t mode);
453 
461  void waitForMicroseconds(uint32_t start, uint32_t len);
462 
469  static uint32_t reflect(uint32_t in, uint8_t bits);
470 
478  static void hexdump(uint8_t* data, size_t len, uint32_t offset = 0, uint8_t width = 1, bool be = false);
479 
485  void regdump(uint16_t start, size_t len);
486 
487  #if defined(RADIOLIB_DEBUG) and defined(RADIOLIB_BUILD_ARDUINO)
488  static size_t serialPrintf(const char* format, ...);
489  #endif
490 
491 #if !defined(RADIOLIB_GODMODE)
492  private:
493 #endif
494  uint32_t csPin = RADIOLIB_NC;
495  uint32_t irqPin = RADIOLIB_NC;
496  uint32_t rstPin = RADIOLIB_NC;
497  uint32_t gpioPin = RADIOLIB_NC;
498 
499  // RF switch pins and table
500  uint32_t rfSwitchPins[RFSWITCH_MAX_PINS] = { RADIOLIB_NC, RADIOLIB_NC, RADIOLIB_NC };
501  const RfSwitchMode_t *rfSwitchTable = nullptr;
502 
503  #if defined(RADIOLIB_INTERRUPT_TIMING)
504  uint32_t prevTimingLen = 0;
505  #endif
506 };
507 
508 #endif
Implements all common low-level methods to control the wireless module. Every module class contains o...
Definition: Module.h:31
int16_t SPIgetRegValue(uint16_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:54
uint8_t SPIstatusCommand
Basic SPI status read command. Defaults to 0x00.
Definition: Module.h:142
int16_t SPIsetRegValue(uint16_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:64
static const size_t RFSWITCH_MAX_PINS
The maximum number of pins supported by the RF switch code.
Definition: Module.h:42
bool SPIstreamType
Whether the SPI interface is stream-type (e.g. SX126x) or register-type (e.g. SX127x)....
Definition: Module.h:153
void SPIwriteRegister(uint16_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:132
RadioLibHal * hal
Hardware abstraction layer to be used.
Definition: Module.h:122
void term()
Terminate low-level module control.
Definition: Module.cpp:49
uint8_t SPInopCommand
Basic SPI no-operation command. Defaults to 0x00.
Definition: Module.h:137
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:376
static uint32_t reflect(uint32_t in, uint8_t bits)
Function to reflect bits within a byte.
Definition: Module.cpp:394
Module & operator=(const Module &mod)
Overload for assignment operator.
Definition: Module.cpp:33
uint32_t getGpio() const
Access method to get the pin number of second interrupt/GPIO.
Definition: Module.h:355
const RfSwitchMode_t * findRfSwitchMode(uint8_t mode) const
Find a mode in the RfSwitchTable.
Definition: Module.cpp:509
OpMode_t
Definition: Module.h:61
@ MODE_TX
Definition: Module.h:71
@ MODE_IDLE
Definition: Module.h:67
@ MODE_RX
Definition: Module.h:69
@ MODE_END_OF_TABLE
Definition: Module.h:65
int16_t SPIcheckStream()
Method to check the result of last SPI stream transfer.
Definition: Module.cpp:236
int16_t SPIstreamError
The last recorded SPI stream error.
Definition: Module.h:158
int16_t SPIwriteStream(uint8_t cmd, uint8_t *data, size_t numBytes, bool waitForGpio=true, bool verify=true)
Method to perform a write transaction with SPI stream.
Definition: Module.cpp:219
void SPItransfer(uint8_t cmd, uint16_t reg, uint8_t *dataOut, uint8_t *dataIn, size_t numBytes)
SPI single transfer method.
Definition: Module.cpp:141
void setRfSwitchPins(uint32_t rxEn, uint32_t txEn)
Some modules contain external RF switch controlled by pins. This function gives RadioLib control over...
Definition: Module.cpp:486
Module(RadioLibHal *hal, uint32_t cs, uint32_t irq, uint32_t rst, uint32_t gpio=RADIOLIB_NC)
Module constructor.
Definition: Module.cpp:25
uint8_t SPIreadCommand
Basic SPI read command. Defaults to 0x00.
Definition: Module.h:127
void SPIreadRegisterBurst(uint16_t reg, size_t numBytes, uint8_t *inBytes)
SPI burst read method.
Definition: Module.cpp:103
int16_t(* SPIparseStatusCb_t)(uint8_t in)
SPI status parsing callback typedef.
Definition: Module.h:163
uint8_t SPIreadRegister(uint16_t reg)
SPI basic read method. Use of this method is reserved for special cases, SPIgetRegValue should be use...
Definition: Module.cpp:112
uint32_t getCs() const
Access method to get the pin number of SPI chip select.
Definition: Module.h:337
uint32_t getIrq() const
Access method to get the pin number of interrupt/GPIO.
Definition: Module.h:343
int16_t SPIreadStream(uint8_t cmd, uint8_t *data, size_t numBytes, bool waitForGpio=true, bool verify=true)
Method to perform a read transaction with SPI stream.
Definition: Module.cpp:202
void regdump(uint16_t start, size_t len)
Function to dump device registers as hex into the debug port.
Definition: Module.cpp:447
uint8_t SPIaddrWidth
SPI address width. Defaults to 8, currently only supports 8 and 16-bit addresses.
Definition: Module.h:147
void setRfSwitchTable(const uint32_t(&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:502
int16_t SPItransferStream(uint8_t *cmd, uint8_t cmdLen, bool write, uint8_t *dataOut, uint8_t *dataIn, size_t numBytes, bool waitForGpio, uint32_t timeout)
SPI single transfer method for modules with stream-type SPI interface (SX126x, SX128x etc....
Definition: Module.cpp:255
static void hexdump(uint8_t *data, size_t len, uint32_t offset=0, uint8_t width=1, bool be=false)
Function to dump data as hex into the debug port.
Definition: Module.cpp:402
void init()
Initialize low-level module control.
Definition: Module.cpp:43
uint32_t getRst() const
Access method to get the pin number of hardware reset pin.
Definition: Module.h:349
uint8_t SPIwriteCommand
Basic SPI write command. Defaults to 0x80.
Definition: Module.h:132
void SPIwriteRegisterBurst(uint16_t reg, uint8_t *data, size_t numBytes)
SPI burst write method.
Definition: Module.cpp:123
SPIparseStatusCb_t SPIparseStatusCb
Callback to function that will parse the module-specific status codes to RadioLib status codes....
Definition: Module.h:169
void setRfSwitchState(uint8_t mode)
Set RF switch state.
Definition: Module.cpp:519
Hardware abstraction library base interface.
Definition: Hal.h:35
#define RADIOLIB_ERR_UNKNOWN
There was an unexpected, unknown error. If you see this, something went incredibly wrong....
Definition: TypeDef.h:110
Definition: Module.h:49