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 
28 class Module {
29  public:
39  static const size_t RFSWITCH_MAX_PINS = 3;
40 
46  struct RfSwitchMode_t {
47  uint8_t mode;
48  uint32_t values[RFSWITCH_MAX_PINS];
49  };
50 
58  enum OpMode_t {
69  };
70 
71  #if defined(RADIOLIB_BUILD_ARDUINO)
79  Module(uint32_t cs, uint32_t irq, uint32_t rst, uint32_t gpio = RADIOLIB_NC);
80 
90  Module(uint32_t cs, uint32_t irq, uint32_t rst, uint32_t gpio, SPIClass& spi, SPISettings spiSettings = RADIOLIB_DEFAULT_SPI_SETTINGS);
91  #endif
92 
101  Module(RadioLibHal *hal, uint32_t cs, uint32_t irq, uint32_t rst, uint32_t gpio = RADIOLIB_NC);
102 
107  Module(const Module& mod);
108 
113  Module& operator=(const Module& mod);
114 
115  // public member variables
119  RadioLibHal* hal = NULL;
120 
124  uint8_t SPIreadCommand = 0b00000000;
125 
129  uint8_t SPIwriteCommand = 0b10000000;
130 
134  uint8_t SPInopCommand = 0x00;
135 
139  uint8_t SPIstatusCommand = 0x00;
140 
144  uint8_t SPIaddrWidth = 8;
145 
150  bool SPIstreamType = false;
151 
156 
160  typedef int16_t (*SPIparseStatusCb_t)(uint8_t in);
161 
167 
168  #if defined(RADIOLIB_INTERRUPT_TIMING)
169 
173  typedef void (*TimerSetupCb_t)(uint32_t len);
174 
178  TimerSetupCb_t TimerSetupCb = nullptr;
179 
183  volatile bool TimerFlag = false;
184 
185  #endif
186 
187  // basic methods
188 
192  void init();
193 
197  void term();
198 
199  // SPI methods
200 
208  int16_t SPIgetRegValue(uint16_t reg, uint8_t msb = 7, uint8_t lsb = 0);
209 
220  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);
221 
228  void SPIreadRegisterBurst(uint16_t reg, size_t numBytes, uint8_t* inBytes);
229 
235  uint8_t SPIreadRegister(uint16_t reg);
236 
243  void SPIwriteRegisterBurst(uint16_t reg, uint8_t* data, size_t numBytes);
244 
250  void SPIwriteRegister(uint16_t reg, uint8_t data);
251 
260  void SPItransfer(uint8_t cmd, uint16_t reg, uint8_t* dataOut, uint8_t* dataIn, size_t numBytes);
261 
266  int16_t SPIcheckStream();
267 
277  int16_t SPIreadStream(uint8_t cmd, uint8_t* data, size_t numBytes, bool waitForGpio = true, bool verify = true);
278 
289  int16_t SPIreadStream(uint8_t* cmd, uint8_t cmdLen, uint8_t* data, size_t numBytes, bool waitForGpio = true, bool verify = true);
290 
300  int16_t SPIwriteStream(uint8_t cmd, uint8_t* data, size_t numBytes, bool waitForGpio = true, bool verify = true);
301 
312  int16_t SPIwriteStream(uint8_t* cmd, uint8_t cmdLen, uint8_t* data, size_t numBytes, bool waitForGpio = true, bool verify = true);
313 
326  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);
327 
328  // pin number access methods
329 
334  uint32_t getCs() const { return(csPin); }
335 
340  uint32_t getIrq() const { return(irqPin); }
341 
346  uint32_t getRst() const { return(rstPin); }
347 
352  uint32_t getGpio() const { return(gpioPin); }
353 
370  void setRfSwitchPins(uint32_t rxEn, uint32_t txEn);
371 
434  void setRfSwitchTable(const uint32_t (&pins)[RFSWITCH_MAX_PINS], const RfSwitchMode_t table[]);
435 
443  const RfSwitchMode_t *findRfSwitchMode(uint8_t mode) const;
444 
449  void setRfSwitchState(uint8_t mode);
450 
458  void waitForMicroseconds(uint32_t start, uint32_t len);
459 
463  static uint8_t flipBits(uint8_t b);
464 
468  static uint16_t flipBits16(uint16_t i);
469 
477  static void hexdump(uint8_t* data, size_t len, uint32_t offset = 0, uint8_t width = 1, bool be = false);
478 
484  void regdump(uint16_t start, size_t len);
485 
486  #if defined(RADIOLIB_DEBUG) and defined(RADIOLIB_BUILD_ARDUINO)
487  static size_t serialPrintf(const char* format, ...);
488  #endif
489 
490 #if !defined(RADIOLIB_GODMODE)
491  private:
492 #endif
493  uint32_t csPin = RADIOLIB_NC;
494  uint32_t irqPin = RADIOLIB_NC;
495  uint32_t rstPin = RADIOLIB_NC;
496  uint32_t gpioPin = RADIOLIB_NC;
497 
498  // RF switch pins and table
499  uint32_t rfSwitchPins[RFSWITCH_MAX_PINS] = { RADIOLIB_NC, RADIOLIB_NC, RADIOLIB_NC };
500  const RfSwitchMode_t *rfSwitchTable = nullptr;
501 
502  #if defined(RADIOLIB_INTERRUPT_TIMING)
503  uint32_t prevTimingLen = 0;
504  #endif
505 };
506 
507 #endif
Implements all common low-level methods to control the wireless module. Every module class contains o...
Definition: Module.h:28
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:139
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:39
static uint16_t flipBits16(uint16_t i)
Function to reflect bits within an integer.
Definition: Module.cpp:382
bool SPIstreamType
Whether the SPI interface is stream-type (e.g. SX126x) or register-type (e.g. SX127x)....
Definition: Module.h:150
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:119
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:134
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:357
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:352
const RfSwitchMode_t * findRfSwitchMode(uint8_t mode) const
Find a mode in the RfSwitchTable.
Definition: Module.cpp:497
OpMode_t
Definition: Module.h:58
@ MODE_TX
Definition: Module.h:68
@ MODE_IDLE
Definition: Module.h:64
@ MODE_RX
Definition: Module.h:66
@ MODE_END_OF_TABLE
Definition: Module.h:62
int16_t SPIcheckStream()
Method to check the result of last SPI stream transfer.
Definition: Module.cpp:224
int16_t SPIstreamError
The last recorded SPI stream error.
Definition: Module.h:155
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:207
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:474
static uint8_t flipBits(uint8_t b)
Function to reflect bits within a byte.
Definition: Module.cpp:375
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:124
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:160
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:334
uint32_t getIrq() const
Access method to get the pin number of interrupt/GPIO.
Definition: Module.h:340
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:190
void regdump(uint16_t start, size_t len)
Function to dump device registers as hex into the debug port.
Definition: Module.cpp:435
uint8_t SPIaddrWidth
SPI address width. Defaults to 8, currently only supports 8 and 16-bit addresses.
Definition: Module.h:144
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:490
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:243
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:390
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:346
uint8_t SPIwriteCommand
Basic SPI write command. Defaults to 0x80.
Definition: Module.h:129
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:166
void setRfSwitchState(uint8_t mode)
Set RF switch state.
Definition: Module.cpp:507
Definition: Hal.h:11
#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:46