commit/1168730f0cdf78cf694509e7c9d445e10382b091/_s_x126x_8h_source.html

 #if !defined(_RADIOLIB_SX126X_H)

 #define _RADIOLIB_SX126X_H


 #include "../../TypeDef.h"


 #if !RADIOLIB_EXCLUDE_SX126X


 #include "../../Module.h"


 #include "../../protocols/PhysicalLayer/PhysicalLayer.h"


 // SX126X physical layer properties

 #define RADIOLIB_SX126X_FREQUENCY_STEP_SIZE                     0.9536743164

 #define RADIOLIB_SX126X_MAX_PACKET_LENGTH                       255

 #define RADIOLIB_SX126X_CRYSTAL_FREQ                            32.0

 #define RADIOLIB_SX126X_DIV_EXPONENT                            25


 // SX126X SPI commands

 // operational modes commands

 #define RADIOLIB_SX126X_CMD_NOP                                 0x00

 #define RADIOLIB_SX126X_CMD_SET_SLEEP                           0x84

 #define RADIOLIB_SX126X_CMD_SET_STANDBY                         0x80

 #define RADIOLIB_SX126X_CMD_SET_FS                              0xC1

 #define RADIOLIB_SX126X_CMD_SET_TX                              0x83

 #define RADIOLIB_SX126X_CMD_SET_RX                              0x82

 #define RADIOLIB_SX126X_CMD_STOP_TIMER_ON_PREAMBLE              0x9F

 #define RADIOLIB_SX126X_CMD_SET_RX_DUTY_CYCLE                   0x94

 #define RADIOLIB_SX126X_CMD_SET_CAD                             0xC5

 #define RADIOLIB_SX126X_CMD_SET_TX_CONTINUOUS_WAVE              0xD1

 #define RADIOLIB_SX126X_CMD_SET_TX_INFINITE_PREAMBLE            0xD2

 #define RADIOLIB_SX126X_CMD_SET_REGULATOR_MODE                  0x96

 #define RADIOLIB_SX126X_CMD_CALIBRATE                           0x89

 #define RADIOLIB_SX126X_CMD_CALIBRATE_IMAGE                     0x98

 #define RADIOLIB_SX126X_CMD_SET_PA_CONFIG                       0x95

 #define RADIOLIB_SX126X_CMD_SET_RX_TX_FALLBACK_MODE             0x93


 // register and buffer access commands

 #define RADIOLIB_SX126X_CMD_WRITE_REGISTER                      0x0D

 #define RADIOLIB_SX126X_CMD_READ_REGISTER                       0x1D

 #define RADIOLIB_SX126X_CMD_WRITE_BUFFER                        0x0E

 #define RADIOLIB_SX126X_CMD_READ_BUFFER                         0x1E


 // DIO and IRQ control

 #define RADIOLIB_SX126X_CMD_SET_DIO_IRQ_PARAMS                  0x08

 #define RADIOLIB_SX126X_CMD_GET_IRQ_STATUS                      0x12

 #define RADIOLIB_SX126X_CMD_CLEAR_IRQ_STATUS                    0x02

 #define RADIOLIB_SX126X_CMD_SET_DIO2_AS_RF_SWITCH_CTRL          0x9D

 #define RADIOLIB_SX126X_CMD_SET_DIO3_AS_TCXO_CTRL               0x97


 // RF, modulation and packet commands

 #define RADIOLIB_SX126X_CMD_SET_RF_FREQUENCY                    0x86

 #define RADIOLIB_SX126X_CMD_SET_PACKET_TYPE                     0x8A

 #define RADIOLIB_SX126X_CMD_GET_PACKET_TYPE                     0x11

 #define RADIOLIB_SX126X_CMD_SET_TX_PARAMS                       0x8E

 #define RADIOLIB_SX126X_CMD_SET_MODULATION_PARAMS               0x8B

 #define RADIOLIB_SX126X_CMD_SET_PACKET_PARAMS                   0x8C

 #define RADIOLIB_SX126X_CMD_SET_CAD_PARAMS                      0x88

 #define RADIOLIB_SX126X_CMD_SET_BUFFER_BASE_ADDRESS             0x8F

 #define RADIOLIB_SX126X_CMD_SET_LORA_SYMB_NUM_TIMEOUT           0xA0


 // status commands

 #define RADIOLIB_SX126X_CMD_GET_STATUS                          0xC0

 #define RADIOLIB_SX126X_CMD_GET_RSSI_INST                       0x15

 #define RADIOLIB_SX126X_CMD_GET_RX_BUFFER_STATUS                0x13

 #define RADIOLIB_SX126X_CMD_GET_PACKET_STATUS                   0x14

 #define RADIOLIB_SX126X_CMD_GET_DEVICE_ERRORS                   0x17

 #define RADIOLIB_SX126X_CMD_CLEAR_DEVICE_ERRORS                 0x07

 #define RADIOLIB_SX126X_CMD_GET_STATS                           0x10

 #define RADIOLIB_SX126X_CMD_RESET_STATS                         0x00


 #define RADIOLIB_SX126X_CMD_PRAM_UPDATE                         0xD9

 #define RADIOLIB_SX126X_CMD_SET_LBT_SCAN_PARAMS                 0x9A

 #define RADIOLIB_SX126X_CMD_SET_SPECTR_SCAN_PARAMS              0x9B


 // SX126X register map

 #define RADIOLIB_SX126X_REG_RX_GAIN_RETENTION_0                 0x029F // SX1268 datasheet v1.1, section 9.6

 #define RADIOLIB_SX126X_REG_RX_GAIN_RETENTION_1                 0x02A0 // SX1268 datasheet v1.1, section 9.6

 #define RADIOLIB_SX126X_REG_RX_GAIN_RETENTION_2                 0x02A1 // SX1268 datasheet v1.1, section 9.6

 #define RADIOLIB_SX126X_REG_VERSION_STRING                      0x0320

 #define RADIOLIB_SX126X_REG_HOPPING_ENABLE                      0x0385

 #define RADIOLIB_SX126X_REG_LR_FHSS_PACKET_LENGTH               0x0386

 #define RADIOLIB_SX126X_REG_LR_FHSS_NUM_HOPPING_BLOCKS          0x0387

 #define RADIOLIB_SX126X_REG_LR_FHSS_NUM_SYMBOLS_FREQX_MSB(X)    (0x0388 + (X)*6)

 #define RADIOLIB_SX126X_REG_LR_FHSS_NUM_SYMBOLS_FREQX_LSB(X)    (0x0389 + (X)*6)

 #define RADIOLIB_SX126X_REG_LR_FHSS_FREQX_0(X)                  (0x038A + (X)*6)

 #define RADIOLIB_SX126X_REG_LR_FHSS_FREQX_1(X)                  (0x038B + (X)*6)

 #define RADIOLIB_SX126X_REG_LR_FHSS_FREQX_2(X)                  (0x038C + (X)*6)

 #define RADIOLIB_SX126X_REG_LR_FHSS_FREQX_3(X)                  (0x038D + (X)*6)

 #define RADIOLIB_SX126X_REG_SPECTRAL_SCAN_RESULT                0x0401

 #define RADIOLIB_SX126X_REG_DIOX_OUT_ENABLE                     0x0580

 #define RADIOLIB_SX126X_REG_DIOX_DRIVE_STRENGTH                 0x0582

 #define RADIOLIB_SX126X_REG_DIOX_IN_ENABLE                      0x0583

 #define RADIOLIB_SX126X_REG_DIOX_PULL_UP_CTRL                   0x0584

 #define RADIOLIB_SX126X_REG_DIOX_PULL_DOWN_CTRL                 0x0585

 #define RADIOLIB_SX126X_REG_TX_BITBANG_ENABLE_0                 0x0587

 #define RADIOLIB_SX126X_REG_PATCH_UPDATE_ENABLE                 0x0610

 #define RADIOLIB_SX126X_REG_TX_BITBANG_ENABLE_1                 0x0680

 #define RADIOLIB_SX126X_REG_WHITENING_INITIAL_MSB               0x06B8

 #define RADIOLIB_SX126X_REG_WHITENING_INITIAL_LSB               0x06B9

 #define RADIOLIB_SX126X_REG_RX_TX_PLD_LEN                       0x06BB

 #define RADIOLIB_SX126X_REG_CRC_INITIAL_MSB                     0x06BC

 #define RADIOLIB_SX126X_REG_CRC_INITIAL_LSB                     0x06BD

 #define RADIOLIB_SX126X_REG_CRC_POLYNOMIAL_MSB                  0x06BE

 #define RADIOLIB_SX126X_REG_CRC_POLYNOMIAL_LSB                  0x06BF

 #define RADIOLIB_SX126X_REG_SYNC_WORD_0                         0x06C0

 #define RADIOLIB_SX126X_REG_SYNC_WORD_1                         0x06C1

 #define RADIOLIB_SX126X_REG_SYNC_WORD_2                         0x06C2

 #define RADIOLIB_SX126X_REG_SYNC_WORD_3                         0x06C3

 #define RADIOLIB_SX126X_REG_SYNC_WORD_4                         0x06C4

 #define RADIOLIB_SX126X_REG_SYNC_WORD_5                         0x06C5

 #define RADIOLIB_SX126X_REG_SYNC_WORD_6                         0x06C6

 #define RADIOLIB_SX126X_REG_SYNC_WORD_7                         0x06C7

 #define RADIOLIB_SX126X_REG_NODE_ADDRESS                        0x06CD

 #define RADIOLIB_SX126X_REG_BROADCAST_ADDRESS                   0x06CE

 #define RADIOLIB_SX126X_REG_PAYLOAD_LENGTH                      0x0702

 #define RADIOLIB_SX126X_REG_PACKET_PARAMS                       0x0704

 #define RADIOLIB_SX126X_REG_LORA_SYNC_TIMEOUT                   0x0706

 #define RADIOLIB_SX126X_REG_IQ_CONFIG                           0x0736

 #define RADIOLIB_SX126X_REG_LORA_SYNC_WORD_MSB                  0x0740

 #define RADIOLIB_SX126X_REG_LORA_SYNC_WORD_LSB                  0x0741

 #define RADIOLIB_SX126X_REG_FREQ_ERROR                          0x076B

 #define RADIOLIB_SX126X_REG_SPECTRAL_SCAN_STATUS                0x07CD

 #define RADIOLIB_SX126X_REG_RX_ADDR_PTR                         0x0803

 #define RADIOLIB_SX126X_REG_RANDOM_NUMBER_0                     0x0819

 #define RADIOLIB_SX126X_REG_RANDOM_NUMBER_1                     0x081A

 #define RADIOLIB_SX126X_REG_RANDOM_NUMBER_2                     0x081B

 #define RADIOLIB_SX126X_REG_RANDOM_NUMBER_3                     0x081C

 #define RADIOLIB_SX126X_REG_SENSITIVITY_CONFIG                  0x0889 // SX1268 datasheet v1.1, section 15.1

 #define RADIOLIB_SX126X_REG_RF_FREQUENCY_0                      0x088B

 #define RADIOLIB_SX126X_REG_RF_FREQUENCY_1                      0x088C

 #define RADIOLIB_SX126X_REG_RF_FREQUENCY_2                      0x088D

 #define RADIOLIB_SX126X_REG_RF_FREQUENCY_3                      0x088E

 #define RADIOLIB_SX126X_REG_RSSI_AVG_WINDOW                     0x089B

 #define RADIOLIB_SX126X_REG_RX_GAIN                             0x08AC

 #define RADIOLIB_SX126X_REG_TX_CLAMP_CONFIG                     0x08D8

 #define RADIOLIB_SX126X_REG_ANA_LNA                             0x08E2

 #define RADIOLIB_SX126X_REG_LNA_CAP_TUNE_N                      0x08E3

 #define RADIOLIB_SX126X_REG_LNA_CAP_TUNE_P                      0x08E4

 #define RADIOLIB_SX126X_REG_ANA_MIXER                           0x08E5

 #define RADIOLIB_SX126X_REG_OCP_CONFIGURATION                   0x08E7

 #define RADIOLIB_SX126X_REG_RTC_CTRL                            0x0902

 #define RADIOLIB_SX126X_REG_XTA_TRIM                            0x0911

 #define RADIOLIB_SX126X_REG_XTB_TRIM                            0x0912

 #define RADIOLIB_SX126X_REG_DIO3_OUT_VOLTAGE_CTRL               0x0920

 #define RADIOLIB_SX126X_REG_EVENT_MASK                          0x0944

 #define RADIOLIB_SX126X_REG_PATCH_MEMORY_BASE                   0x8000


 // SX126X SPI command variables

 //RADIOLIB_SX126X_CMD_SET_SLEEP                                               MSB   LSB   DESCRIPTION

 #define RADIOLIB_SX126X_SLEEP_START_COLD                        0b00000000  //  2     2   sleep mode: cold start, configuration is lost (default)

 #define RADIOLIB_SX126X_SLEEP_START_WARM                        0b00000100  //  2     2               warm start, configuration is retained

 #define RADIOLIB_SX126X_SLEEP_RTC_OFF                           0b00000000  //  0     0   wake on RTC timeout: disabled

 #define RADIOLIB_SX126X_SLEEP_RTC_ON                            0b00000001  //  0     0                        enabled


 //RADIOLIB_SX126X_CMD_SET_STANDBY

 #define RADIOLIB_SX126X_STANDBY_RC                              0x00        //  7     0   standby mode: 13 MHz RC oscillator

 #define RADIOLIB_SX126X_STANDBY_XOSC                            0x01        //  7     0                 32 MHz crystal oscillator


 //RADIOLIB_SX126X_CMD_SET_RX

 #define RADIOLIB_SX126X_RX_TIMEOUT_NONE                         0x000000    //  23    0   Rx timeout duration: no timeout (Rx single mode)

 #define RADIOLIB_SX126X_RX_TIMEOUT_INF                          0xFFFFFF    //  23    0                        infinite (Rx continuous mode)


 //RADIOLIB_SX126X_CMD_SET_TX

 #define RADIOLIB_SX126X_TX_TIMEOUT_NONE                         0x000000    //  23    0   Tx timeout duration: no timeout (Tx single mode)


 //RADIOLIB_SX126X_CMD_STOP_TIMER_ON_PREAMBLE

 #define RADIOLIB_SX126X_STOP_ON_PREAMBLE_OFF                    0x00        //  7     0   stop timer on: sync word or header (default)

 #define RADIOLIB_SX126X_STOP_ON_PREAMBLE_ON                     0x01        //  7     0                  preamble detection


 //RADIOLIB_SX126X_CMD_SET_REGULATOR_MODE

 #define RADIOLIB_SX126X_REGULATOR_LDO                           0x00        //  7     0   set regulator mode: LDO (default)

 #define RADIOLIB_SX126X_REGULATOR_DC_DC                         0x01        //  7     0                       DC-DC


 //RADIOLIB_SX126X_CMD_CALIBRATE

 #define RADIOLIB_SX126X_CALIBRATE_IMAGE_OFF                     0b00000000  //  6     6   image calibration: disabled

 #define RADIOLIB_SX126X_CALIBRATE_IMAGE_ON                      0b01000000  //  6     6                      enabled

 #define RADIOLIB_SX126X_CALIBRATE_ADC_BULK_P_OFF                0b00000000  //  5     5   ADC bulk P calibration: disabled

 #define RADIOLIB_SX126X_CALIBRATE_ADC_BULK_P_ON                 0b00100000  //  5     5                           enabled

 #define RADIOLIB_SX126X_CALIBRATE_ADC_BULK_N_OFF                0b00000000  //  4     4   ADC bulk N calibration: disabled

 #define RADIOLIB_SX126X_CALIBRATE_ADC_BULK_N_ON                 0b00010000  //  4     4                           enabled

 #define RADIOLIB_SX126X_CALIBRATE_ADC_PULSE_OFF                 0b00000000  //  3     3   ADC pulse calibration: disabled

 #define RADIOLIB_SX126X_CALIBRATE_ADC_PULSE_ON                  0b00001000  //  3     3                          enabled

 #define RADIOLIB_SX126X_CALIBRATE_PLL_OFF                       0b00000000  //  2     2   PLL calibration: disabled

 #define RADIOLIB_SX126X_CALIBRATE_PLL_ON                        0b00000100  //  2     2                    enabled

 #define RADIOLIB_SX126X_CALIBRATE_RC13M_OFF                     0b00000000  //  1     1   13 MHz RC osc. calibration: disabled

 #define RADIOLIB_SX126X_CALIBRATE_RC13M_ON                      0b00000010  //  1     1                               enabled

 #define RADIOLIB_SX126X_CALIBRATE_RC64K_OFF                     0b00000000  //  0     0   64 kHz RC osc. calibration: disabled

 #define RADIOLIB_SX126X_CALIBRATE_RC64K_ON                      0b00000001  //  0     0                               enabled

 #define RADIOLIB_SX126X_CALIBRATE_ALL                           0b01111111  //  6     0   calibrate all blocks


 //RADIOLIB_SX126X_CMD_CALIBRATE_IMAGE

 #define RADIOLIB_SX126X_CAL_IMG_430_MHZ_1                       0x6B

 #define RADIOLIB_SX126X_CAL_IMG_430_MHZ_2                       0x6F

 #define RADIOLIB_SX126X_CAL_IMG_470_MHZ_1                       0x75

 #define RADIOLIB_SX126X_CAL_IMG_470_MHZ_2                       0x81

 #define RADIOLIB_SX126X_CAL_IMG_779_MHZ_1                       0xC1

 #define RADIOLIB_SX126X_CAL_IMG_779_MHZ_2                       0xC5

 #define RADIOLIB_SX126X_CAL_IMG_863_MHZ_1                       0xD7

 #define RADIOLIB_SX126X_CAL_IMG_863_MHZ_2                       0xDB

 #define RADIOLIB_SX126X_CAL_IMG_902_MHZ_1                       0xE1

 #define RADIOLIB_SX126X_CAL_IMG_902_MHZ_2                       0xE9


 //RADIOLIB_SX126X_CMD_SET_PA_CONFIG

 #define RADIOLIB_SX126X_PA_CONFIG_HP_MAX                        0x07

 #define RADIOLIB_SX126X_PA_CONFIG_PA_LUT                        0x01

 #define RADIOLIB_SX126X_PA_CONFIG_SX1262_8                      0x00


 //RADIOLIB_SX126X_CMD_SET_RX_TX_FALLBACK_MODE

 #define RADIOLIB_SX126X_RX_TX_FALLBACK_MODE_FS                  0x40        //  7     0   after Rx/Tx go to: FS mode

 #define RADIOLIB_SX126X_RX_TX_FALLBACK_MODE_STDBY_XOSC          0x30        //  7     0                      standby with crystal oscillator

 #define RADIOLIB_SX126X_RX_TX_FALLBACK_MODE_STDBY_RC            0x20        //  7     0                      standby with RC oscillator (default)


 //RADIOLIB_SX126X_CMD_SET_DIO_IRQ_PARAMS

 #define RADIOLIB_SX126X_IRQ_LR_FHSS_HOP                         0b0100000000000000  //  14    14  PA ramped up during LR-FHSS hop

 #define RADIOLIB_SX126X_IRQ_TIMEOUT                             0b0000001000000000  //  9     9   Rx or Tx timeout

 #define RADIOLIB_SX126X_IRQ_CAD_DETECTED                        0b0000000100000000  //  8     8   channel activity detected

 #define RADIOLIB_SX126X_IRQ_CAD_DONE                            0b0000000010000000  //  7     7   channel activity detection finished

 #define RADIOLIB_SX126X_IRQ_CRC_ERR                             0b0000000001000000  //  6     6   wrong CRC received

 #define RADIOLIB_SX126X_IRQ_HEADER_ERR                          0b0000000000100000  //  5     5   LoRa header CRC error

 #define RADIOLIB_SX126X_IRQ_HEADER_VALID                        0b0000000000010000  //  4     4   valid LoRa header received

 #define RADIOLIB_SX126X_IRQ_SYNC_WORD_VALID                     0b0000000000001000  //  3     3   valid sync word detected

 #define RADIOLIB_SX126X_IRQ_PREAMBLE_DETECTED                   0b0000000000000100  //  2     2   preamble detected

 #define RADIOLIB_SX126X_IRQ_RX_DONE                             0b0000000000000010  //  1     1   packet received

 #define RADIOLIB_SX126X_IRQ_TX_DONE                             0b0000000000000001  //  0     0   packet transmission completed

 #define RADIOLIB_SX126X_IRQ_RX_DEFAULT                          0b0000001001100010  //  14    0   default for Rx (RX_DONE, TIMEOUT, CRC_ERR and HEADER_ERR)

 #define RADIOLIB_SX126X_IRQ_ALL                                 0b0100001111111111  //  14    0   all interrupts

 #define RADIOLIB_SX126X_IRQ_NONE                                0b0000000000000000  //  14    0   no interrupts


 //RADIOLIB_SX126X_CMD_SET_DIO2_AS_RF_SWITCH_CTRL

 #define RADIOLIB_SX126X_DIO2_AS_IRQ                             0x00        //  7     0   DIO2 configuration: IRQ

 #define RADIOLIB_SX126X_DIO2_AS_RF_SWITCH                       0x01        //  7     0                       RF switch control


 //RADIOLIB_SX126X_CMD_SET_DIO3_AS_TCXO_CTRL

 #define RADIOLIB_SX126X_DIO3_OUTPUT_1_6                         0x00        //  7     0   DIO3 voltage output for TCXO: 1.6 V

 #define RADIOLIB_SX126X_DIO3_OUTPUT_1_7                         0x01        //  7     0                                 1.7 V

 #define RADIOLIB_SX126X_DIO3_OUTPUT_1_8                         0x02        //  7     0                                 1.8 V

 #define RADIOLIB_SX126X_DIO3_OUTPUT_2_2                         0x03        //  7     0                                 2.2 V

 #define RADIOLIB_SX126X_DIO3_OUTPUT_2_4                         0x04        //  7     0                                 2.4 V

 #define RADIOLIB_SX126X_DIO3_OUTPUT_2_7                         0x05        //  7     0                                 2.7 V

 #define RADIOLIB_SX126X_DIO3_OUTPUT_3_0                         0x06        //  7     0                                 3.0 V

 #define RADIOLIB_SX126X_DIO3_OUTPUT_3_3                         0x07        //  7     0                                 3.3 V


 //RADIOLIB_SX126X_CMD_SET_PACKET_TYPE

 #define RADIOLIB_SX126X_PACKET_TYPE_GFSK                        0x00        //  7     0   packet type: GFSK

 #define RADIOLIB_SX126X_PACKET_TYPE_LORA                        0x01        //  7     0                LoRa

 #define RADIOLIB_SX126X_PACKET_TYPE_LR_FHSS                     0x03        //  7     0                LR-FHSS


 //RADIOLIB_SX126X_CMD_SET_TX_PARAMS

 #define RADIOLIB_SX126X_PA_RAMP_10U                             0x00        //  7     0   ramp time: 10 us

 #define RADIOLIB_SX126X_PA_RAMP_20U                             0x01        //  7     0              20 us

 #define RADIOLIB_SX126X_PA_RAMP_40U                             0x02        //  7     0              40 us

 #define RADIOLIB_SX126X_PA_RAMP_80U                             0x03        //  7     0              80 us

 #define RADIOLIB_SX126X_PA_RAMP_200U                            0x04        //  7     0              200 us

 #define RADIOLIB_SX126X_PA_RAMP_800U                            0x05        //  7     0              800 us

 #define RADIOLIB_SX126X_PA_RAMP_1700U                           0x06        //  7     0              1700 us

 #define RADIOLIB_SX126X_PA_RAMP_3400U                           0x07        //  7     0              3400 us


 //RADIOLIB_SX126X_CMD_SET_MODULATION_PARAMS

 #define RADIOLIB_SX126X_GFSK_FILTER_NONE                        0x00        //  7     0   GFSK filter: none

 #define RADIOLIB_SX126X_GFSK_FILTER_GAUSS_0_3                   0x08        //  7     0                Gaussian, BT = 0.3

 #define RADIOLIB_SX126X_GFSK_FILTER_GAUSS_0_5                   0x09        //  7     0                Gaussian, BT = 0.5

 #define RADIOLIB_SX126X_GFSK_FILTER_GAUSS_0_7                   0x0A        //  7     0                Gaussian, BT = 0.7

 #define RADIOLIB_SX126X_GFSK_FILTER_GAUSS_1                     0x0B        //  7     0                Gaussian, BT = 1

 #define RADIOLIB_SX126X_GFSK_RX_BW_4_8                          0x1F        //  7     0   GFSK Rx bandwidth: 4.8 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_5_8                          0x17        //  7     0                      5.8 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_7_3                          0x0F        //  7     0                      7.3 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_9_7                          0x1E        //  7     0                      9.7 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_11_7                         0x16        //  7     0                      11.7 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_14_6                         0x0E        //  7     0                      14.6 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_19_5                         0x1D        //  7     0                      19.5 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_23_4                         0x15        //  7     0                      23.4 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_29_3                         0x0D        //  7     0                      29.3 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_39_0                         0x1C        //  7     0                      39.0 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_46_9                         0x14        //  7     0                      46.9 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_58_6                         0x0C        //  7     0                      58.6 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_78_2                         0x1B        //  7     0                      78.2 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_93_8                         0x13        //  7     0                      93.8 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_117_3                        0x0B        //  7     0                      117.3 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_156_2                        0x1A        //  7     0                      156.2 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_187_2                        0x12        //  7     0                      187.2 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_234_3                        0x0A        //  7     0                      234.3 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_312_0                        0x19        //  7     0                      312.0 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_373_6                        0x11        //  7     0                      373.6 kHz

 #define RADIOLIB_SX126X_GFSK_RX_BW_467_0                        0x09        //  7     0                      467.0 kHz

 #define RADIOLIB_SX126X_LORA_BW_7_8                             0x00        //  7     0   LoRa bandwidth: 7.8 kHz

 #define RADIOLIB_SX126X_LORA_BW_10_4                            0x08        //  7     0                   10.4 kHz

 #define RADIOLIB_SX126X_LORA_BW_15_6                            0x01        //  7     0                   15.6 kHz

 #define RADIOLIB_SX126X_LORA_BW_20_8                            0x09        //  7     0                   20.8 kHz

 #define RADIOLIB_SX126X_LORA_BW_31_25                           0x02        //  7     0                   31.25 kHz

 #define RADIOLIB_SX126X_LORA_BW_41_7                            0x0A        //  7     0                   41.7 kHz

 #define RADIOLIB_SX126X_LORA_BW_62_5                            0x03        //  7     0                   62.5 kHz

 #define RADIOLIB_SX126X_LORA_BW_125_0                           0x04        //  7     0                   125.0 kHz

 #define RADIOLIB_SX126X_LORA_BW_250_0                           0x05        //  7     0                   250.0 kHz

 #define RADIOLIB_SX126X_LORA_BW_500_0                           0x06        //  7     0                   500.0 kHz

 #define RADIOLIB_SX126X_LORA_CR_4_5                             0x01        //  7     0   LoRa coding rate: 4/5

 #define RADIOLIB_SX126X_LORA_CR_4_6                             0x02        //  7     0                     4/6

 #define RADIOLIB_SX126X_LORA_CR_4_7                             0x03        //  7     0                     4/7

 #define RADIOLIB_SX126X_LORA_CR_4_8                             0x04        //  7     0                     4/8

 #define RADIOLIB_SX126X_LORA_LOW_DATA_RATE_OPTIMIZE_OFF         0x00        //  7     0   LoRa low data rate optimization: disabled

 #define RADIOLIB_SX126X_LORA_LOW_DATA_RATE_OPTIMIZE_ON          0x01        //  7     0                                    enabled


 //RADIOLIB_SX126X_CMD_SET_PACKET_PARAMS

 #define RADIOLIB_SX126X_GFSK_PREAMBLE_DETECT_OFF                0x00        //  7     0   GFSK minimum preamble length before reception starts: detector disabled

 #define RADIOLIB_SX126X_GFSK_PREAMBLE_DETECT_8                  0x04        //  7     0                                                         8 bits

 #define RADIOLIB_SX126X_GFSK_PREAMBLE_DETECT_16                 0x05        //  7     0                                                         16 bits

 #define RADIOLIB_SX126X_GFSK_PREAMBLE_DETECT_24                 0x06        //  7     0                                                         24 bits

 #define RADIOLIB_SX126X_GFSK_PREAMBLE_DETECT_32                 0x07        //  7     0                                                         32 bits

 #define RADIOLIB_SX126X_GFSK_ADDRESS_FILT_OFF                   0x00        //  7     0   GFSK address filtering: disabled

 #define RADIOLIB_SX126X_GFSK_ADDRESS_FILT_NODE                  0x01        //  7     0                           node only

 #define RADIOLIB_SX126X_GFSK_ADDRESS_FILT_NODE_BROADCAST        0x02        //  7     0                           node and broadcast

 #define RADIOLIB_SX126X_GFSK_PACKET_FIXED                       0x00        //  7     0   GFSK packet type: fixed (payload length known in advance to both sides)

 #define RADIOLIB_SX126X_GFSK_PACKET_VARIABLE                    0x01        //  7     0                     variable (payload length added to packet)

 #define RADIOLIB_SX126X_GFSK_CRC_OFF                            0x01        //  7     0   GFSK packet CRC: disabled

 #define RADIOLIB_SX126X_GFSK_CRC_1_BYTE                         0x00        //  7     0                    1 byte

 #define RADIOLIB_SX126X_GFSK_CRC_2_BYTE                         0x02        //  7     0                    2 byte

 #define RADIOLIB_SX126X_GFSK_CRC_1_BYTE_INV                     0x04        //  7     0                    1 byte, inverted

 #define RADIOLIB_SX126X_GFSK_CRC_2_BYTE_INV                     0x06        //  7     0                    2 byte, inverted

 #define RADIOLIB_SX126X_GFSK_WHITENING_OFF                      0x00        //  7     0   GFSK data whitening: disabled

 #define RADIOLIB_SX126X_GFSK_WHITENING_ON                       0x01        //  7     0                        enabled

 #define RADIOLIB_SX126X_LORA_HEADER_EXPLICIT                    0x00        //  7     0   LoRa header mode: explicit

 #define RADIOLIB_SX126X_LORA_HEADER_IMPLICIT                    0x01        //  7     0                     implicit

 #define RADIOLIB_SX126X_LORA_CRC_OFF                            0x00        //  7     0   LoRa CRC mode: disabled

 #define RADIOLIB_SX126X_LORA_CRC_ON                             0x01        //  7     0                  enabled

 #define RADIOLIB_SX126X_LORA_IQ_STANDARD                        0x00        //  7     0   LoRa IQ setup: standard

 #define RADIOLIB_SX126X_LORA_IQ_INVERTED                        0x01        //  7     0                  inverted


 //RADIOLIB_SX126X_CMD_SET_CAD_PARAMS

 #define RADIOLIB_SX126X_CAD_ON_1_SYMB                           0x00        //  7     0   number of symbols used for CAD: 1

 #define RADIOLIB_SX126X_CAD_ON_2_SYMB                           0x01        //  7     0                                   2

 #define RADIOLIB_SX126X_CAD_ON_4_SYMB                           0x02        //  7     0                                   4

 #define RADIOLIB_SX126X_CAD_ON_8_SYMB                           0x03        //  7     0                                   8

 #define RADIOLIB_SX126X_CAD_ON_16_SYMB                          0x04        //  7     0                                   16

 #define RADIOLIB_SX126X_CAD_GOTO_STDBY                          0x00        //  7     0   after CAD is done, always go to STDBY_RC mode

 #define RADIOLIB_SX126X_CAD_GOTO_RX                             0x01        //  7     0   after CAD is done, go to Rx mode if activity is detected

 #define RADIOLIB_SX126X_CAD_PARAM_DEFAULT                       0xFF        //  7     0   used by the CAD methods to specify default parameter value

 #define RADIOLIB_SX126X_CAD_PARAM_DET_MIN                       10          //  7     0   default detMin CAD parameter


 //RADIOLIB_SX126X_CMD_GET_STATUS

 #define RADIOLIB_SX126X_STATUS_MODE_STDBY_RC                    0b00100000  //  6     4   current chip mode: STDBY_RC

 #define RADIOLIB_SX126X_STATUS_MODE_STDBY_XOSC                  0b00110000  //  6     4                      STDBY_XOSC

 #define RADIOLIB_SX126X_STATUS_MODE_FS                          0b01000000  //  6     4                      FS

 #define RADIOLIB_SX126X_STATUS_MODE_RX                          0b01010000  //  6     4                      RX

 #define RADIOLIB_SX126X_STATUS_MODE_TX                          0b01100000  //  6     4                      TX

 #define RADIOLIB_SX126X_STATUS_DATA_AVAILABLE                   0b00000100  //  3     1   command status: packet received and data can be retrieved

 #define RADIOLIB_SX126X_STATUS_CMD_TIMEOUT                      0b00000110  //  3     1                   SPI command timed out

 #define RADIOLIB_SX126X_STATUS_CMD_INVALID                      0b00001000  //  3     1                   invalid SPI command

 #define RADIOLIB_SX126X_STATUS_CMD_FAILED                       0b00001010  //  3     1                   SPI command failed to execute

 #define RADIOLIB_SX126X_STATUS_TX_DONE                          0b00001100  //  3     1                   packet transmission done

 #define RADIOLIB_SX126X_STATUS_SPI_FAILED                       0b11111111  //  7     0   SPI transaction failed


 //RADIOLIB_SX126X_CMD_GET_PACKET_STATUS

 #define RADIOLIB_SX126X_GFSK_RX_STATUS_PREAMBLE_ERR             0b10000000  //  7     7   GFSK Rx status: preamble error

 #define RADIOLIB_SX126X_GFSK_RX_STATUS_SYNC_ERR                 0b01000000  //  6     6                   sync word error

 #define RADIOLIB_SX126X_GFSK_RX_STATUS_ADRS_ERR                 0b00100000  //  5     5                   address error

 #define RADIOLIB_SX126X_GFSK_RX_STATUS_CRC_ERR                  0b00010000  //  4     4                   CRC error

 #define RADIOLIB_SX126X_GFSK_RX_STATUS_LENGTH_ERR               0b00001000  //  3     3                   length error

 #define RADIOLIB_SX126X_GFSK_RX_STATUS_ABORT_ERR                0b00000100  //  2     2                   abort error

 #define RADIOLIB_SX126X_GFSK_RX_STATUS_PACKET_RECEIVED          0b00000010  //  2     2                   packet received

 #define RADIOLIB_SX126X_GFSK_RX_STATUS_PACKET_SENT              0b00000001  //  2     2                   packet sent


 //RADIOLIB_SX126X_CMD_GET_DEVICE_ERRORS

 #define RADIOLIB_SX126X_PA_RAMP_ERR                             0b100000000 //  8     8   device errors: PA ramping failed

 #define RADIOLIB_SX126X_PLL_LOCK_ERR                            0b001000000 //  6     6                  PLL failed to lock

 #define RADIOLIB_SX126X_XOSC_START_ERR                          0b000100000 //  5     5                  crystal oscillator failed to start

 #define RADIOLIB_SX126X_IMG_CALIB_ERR                           0b000010000 //  4     4                  image calibration failed

 #define RADIOLIB_SX126X_ADC_CALIB_ERR                           0b000001000 //  3     3                  ADC calibration failed

 #define RADIOLIB_SX126X_PLL_CALIB_ERR                           0b000000100 //  2     2                  PLL calibration failed

 #define RADIOLIB_SX126X_RC13M_CALIB_ERR                         0b000000010 //  1     1                  RC13M calibration failed

 #define RADIOLIB_SX126X_RC64K_CALIB_ERR                         0b000000001 //  0     0                  RC64K calibration failed


 //RADIOLIB_SX126X_CMD_SET_LBT_SCAN_PARAMS + RADIOLIB_SX126X_CMD_SET_SPECTR_SCAN_PARAMS

 #define RADIOLIB_SX126X_SCAN_INTERVAL_7_68_US                   10          //  7     0   RSSI reading interval: 7.68 us

 #define RADIOLIB_SX126X_SCAN_INTERVAL_8_20_US                   11          //  7     0                          8.20 us

 #define RADIOLIB_SX126X_SCAN_INTERVAL_8_68_US                   12          //  7     0                          8.68 us


 // SX126X SPI register variables

 //RADIOLIB_SX126X_REG_HOPPING_ENABLE

 #define RADIOLIB_SX126X_HOPPING_ENABLED                         0b00000001  //  0     0   intra-packet hopping for LR-FHSS: enabled

 #define RADIOLIB_SX126X_HOPPING_DISABLED                        0b00000000  //  0     0                                     (disabled)


 //RADIOLIB_SX126X_REG_LORA_SYNC_WORD_MSB + LSB

 #define RADIOLIB_SX126X_SYNC_WORD_PUBLIC                        0x34        // actually 0x3444  NOTE: The low nibbles in each byte (0x_4_4) are masked out since apparently, they're reserved.

 #define RADIOLIB_SX126X_SYNC_WORD_PRIVATE                       0x12        // actually 0x1424        You couldn't make this up if you tried.


 // RADIOLIB_SX126X_REG_TX_BITBANG_ENABLE_1

 #define RADIOLIB_SX126X_TX_BITBANG_1_DISABLED                   0b00000000  //  6     4   Tx bitbang: disabled (default)

 #define RADIOLIB_SX126X_TX_BITBANG_1_ENABLED                    0b00010000  //  6     4               enabled


 // RADIOLIB_SX126X_REG_TX_BITBANG_ENABLE_0

 #define RADIOLIB_SX126X_TX_BITBANG_0_DISABLED                   0b00000000  //  3     0   Tx bitbang: disabled (default)

 #define RADIOLIB_SX126X_TX_BITBANG_0_ENABLED                    0b00001100  //  3     0               enabled


 // RADIOLIB_SX126X_REG_DIOX_OUT_ENABLE

 #define RADIOLIB_SX126X_DIO1_OUT_DISABLED                       0b00000010  //  1     1   DIO1 output: disabled

 #define RADIOLIB_SX126X_DIO1_OUT_ENABLED                        0b00000000  //  1     1                enabled

 #define RADIOLIB_SX126X_DIO2_OUT_DISABLED                       0b00000100  //  2     2   DIO2 output: disabled

 #define RADIOLIB_SX126X_DIO2_OUT_ENABLED                        0b00000000  //  2     2                enabled

 #define RADIOLIB_SX126X_DIO3_OUT_DISABLED                       0b00001000  //  3     3   DIO3 output: disabled

 #define RADIOLIB_SX126X_DIO3_OUT_ENABLED                        0b00000000  //  3     3                enabled


 // RADIOLIB_SX126X_REG_DIOX_IN_ENABLE

 #define RADIOLIB_SX126X_DIO1_IN_DISABLED                        0b00000000  //  1     1   DIO1 input: disabled

 #define RADIOLIB_SX126X_DIO1_IN_ENABLED                         0b00000010  //  1     1               enabled

 #define RADIOLIB_SX126X_DIO2_IN_DISABLED                        0b00000000  //  2     2   DIO2 input: disabled

 #define RADIOLIB_SX126X_DIO2_IN_ENABLED                         0b00000100  //  2     2               enabled

 #define RADIOLIB_SX126X_DIO3_IN_DISABLED                        0b00000000  //  3     3   DIO3 input: disabled

 #define RADIOLIB_SX126X_DIO3_IN_ENABLED                         0b00001000  //  3     3               enabled


 // RADIOLIB_SX126X_REG_RX_GAIN

 #define RADIOLIB_SX126X_RX_GAIN_BOOSTED                         0x96        //  7     0   Rx gain: boosted

 #define RADIOLIB_SX126X_RX_GAIN_POWER_SAVING                    0x94        //  7     0            power saving

 #define RADIOLIB_SX126X_RX_GAIN_SPECTRAL_SCAN                   0xCB        //  7     0            spectral scan


 // RADIOLIB_SX126X_REG_PATCH_UPDATE_ENABLE

 #define RADIOLIB_SX126X_PATCH_UPDATE_DISABLED                   0b00000000  //  4     4   patch update: disabled

 #define RADIOLIB_SX126X_PATCH_UPDATE_ENABLED                    0b00010000  //  4     4                 enabled


 // RADIOLIB_SX126X_REG_SPECTRAL_SCAN_STATUS

 #define RADIOLIB_SX126X_SPECTRAL_SCAN_NONE                      0x00        //  7     0   spectral scan status: none

 #define RADIOLIB_SX126X_SPECTRAL_SCAN_ONGOING                   0x0F        //  7     0                         ongoing

 #define RADIOLIB_SX126X_SPECTRAL_SCAN_ABORTED                   0xF0        //  7     0                         aborted

 #define RADIOLIB_SX126X_SPECTRAL_SCAN_COMPLETED                 0xFF        //  7     0                         completed


 // RADIOLIB_SX126X_REG_RSSI_AVG_WINDOW

 #define RADIOLIB_SX126X_SPECTRAL_SCAN_WINDOW_DEFAULT            (0x05 << 2) //  7     0   default RSSI average window


 // RADIOLIB_SX126X_REG_ANA_LNA

 #define RADIOLIB_SX126X_LNA_RNG_DISABLED                        0b00000001  //  0     0   random number: disabled

 #define RADIOLIB_SX126X_LNA_RNG_ENABLED                         0b00000000  //  0     0                  enabled


 // RADIOLIB_SX126X_REG_ANA_MIXER

 #define RADIOLIB_SX126X_MIXER_RNG_DISABLED                      0b00000001  //  7     7   random number: disabled

 #define RADIOLIB_SX126X_MIXER_RNG_ENABLED                       0b00000000  //  7     7                  enabled


 // size of the spectral scan result

 #define RADIOLIB_SX126X_SPECTRAL_SCAN_RES_SIZE                  (33)


 class SX126x: public PhysicalLayer {

   public:

     // introduce PhysicalLayer overloads

     using PhysicalLayer::transmit;

     using PhysicalLayer::receive;

     using PhysicalLayer::startTransmit;

     using PhysicalLayer::readData;


     explicit SX126x(Module* mod);


     bool XTAL;


     bool standbyXOSC;


     // basic methods


     int16_t begin(uint8_t cr, uint8_t syncWord, uint16_t preambleLength, float tcxoVoltage, bool useRegulatorLDO = false);


     int16_t beginFSK(float br, float freqDev, float rxBw, uint16_t preambleLength, float tcxoVoltage, bool useRegulatorLDO = false);


     int16_t reset(bool verify = true);


     int16_t transmit(uint8_t* data, size_t len, uint8_t addr = 0) override;


     int16_t receive(uint8_t* data, size_t len) override;


     int16_t transmitDirect(uint32_t frf = 0) override;


     int16_t receiveDirect() override;


     int16_t scanChannel() override;


     int16_t scanChannel(uint8_t symbolNum, uint8_t detPeak, uint8_t detMin);


     int16_t sleep() override;


     int16_t sleep(bool retainConfig);


     int16_t standby() override;


     int16_t standby(uint8_t mode, bool wakeup = true);


     // interrupt methods


     void setDio1Action(void (*func)(void));


     void clearDio1Action();


     void setPacketReceivedAction(void (*func)(void)) override;


     void clearPacketReceivedAction() override;


     void setPacketSentAction(void (*func)(void)) override;


     void clearPacketSentAction() override;


     void setChannelScanAction(void (*func)(void)) override;


     void clearChannelScanAction() override;


     int16_t startTransmit(uint8_t* data, size_t len, uint8_t addr = 0) override;


     int16_t finishTransmit() override;


     int16_t startReceive() override;


     int16_t startReceive(uint32_t timeout, uint32_t irqFlags = RADIOLIB_SX126X_IRQ_RX_DEFAULT, uint32_t irqMask = RADIOLIB_SX126X_IRQ_RX_DONE, size_t len = 0);


     int16_t startReceiveDutyCycle(uint32_t rxPeriod, uint32_t sleepPeriod, uint16_t irqFlags = RADIOLIB_SX126X_IRQ_RX_DEFAULT, uint16_t irqMask = RADIOLIB_SX126X_IRQ_RX_DONE);


     int16_t startReceiveDutyCycleAuto(uint16_t senderPreambleLength = 0, uint16_t minSymbols = 8, uint16_t irqFlags = RADIOLIB_SX126X_IRQ_RX_DEFAULT, uint16_t irqMask = RADIOLIB_SX126X_IRQ_RX_DONE);


     uint16_t getIrqStatus();


     int16_t readData(uint8_t* data, size_t len) override;


     int16_t startChannelScan() override;


     int16_t startChannelScan(uint8_t symbolNum, uint8_t detPeak, uint8_t detMin);


     int16_t getChannelScanResult() override;


     // configuration methods


     int16_t setBandwidth(float bw);


     int16_t setSpreadingFactor(uint8_t sf);


     int16_t setCodingRate(uint8_t cr);


     int16_t setSyncWord(uint8_t syncWord, uint8_t controlBits = 0x44);


     int16_t setCurrentLimit(float currentLimit);


     float getCurrentLimit();


     int16_t setPreambleLength(size_t preambleLength) override;


     int16_t setFrequencyDeviation(float freqDev) override;


     int16_t setBitRate(float br) override;


     int16_t setDataRate(DataRate_t dr) override;


     int16_t checkDataRate(DataRate_t dr) override;


     int16_t setRxBandwidth(float rxBw);


     int16_t setRxBoostedGainMode(bool rxbgm, bool persist = true);


     int16_t setDataShaping(uint8_t sh) override;


     int16_t setSyncWord(uint8_t* syncWord, size_t len) override;


     int16_t setSyncBits(uint8_t *syncWord, uint8_t bitsLen);


     int16_t setNodeAddress(uint8_t nodeAddr);


     int16_t setBroadcastAddress(uint8_t broadAddr);


     int16_t disableAddressFiltering();


     int16_t setCRC(uint8_t len, uint16_t initial = 0x1D0F, uint16_t polynomial = 0x1021, bool inverted = true);


     int16_t setWhitening(bool enabled, uint16_t initial = 0x01FF);


     int16_t setTCXO(float voltage, uint32_t delay = 5000);


     int16_t setDio2AsRfSwitch(bool enable = true);


     float getDataRate() const;


     float getRSSI(bool packet = true);


     float getSNR() override;


     float getFrequencyError();


     size_t getPacketLength(bool update = true) override;


     int16_t fixedPacketLengthMode(uint8_t len = RADIOLIB_SX126X_MAX_PACKET_LENGTH);


     int16_t variablePacketLengthMode(uint8_t maxLen = RADIOLIB_SX126X_MAX_PACKET_LENGTH);


     RadioLibTime_t getTimeOnAir(size_t len) override;


     RadioLibTime_t calculateRxTimeout(RadioLibTime_t timeoutUs) override;


     int16_t irqRxDoneRxTimeout(uint32_t &irqFlags, uint32_t &irqMask) override;


     bool isRxTimeout() override;


     int16_t implicitHeader(size_t len);


     int16_t explicitHeader();


     int16_t setRegulatorLDO();


     int16_t setRegulatorDCDC();


     int16_t setEncoding(uint8_t encoding) override;


     void setRfSwitchPins(uint32_t rxEn, uint32_t txEn);


     void setRfSwitchTable(const uint32_t (&pins)[Module::RFSWITCH_MAX_PINS], const Module::RfSwitchMode_t table[]);


     int16_t forceLDRO(bool enable);


     int16_t autoLDRO();


     uint8_t randomByte() override;


     int16_t invertIQ(bool enable) override;


     #if !RADIOLIB_EXCLUDE_DIRECT_RECEIVE

     void setDirectAction(void (*func)(void)) override;


     void readBit(uint32_t pin) override;

     #endif


     int16_t uploadPatch(const uint32_t* patch, size_t len, bool nonvolatile = true);


     int16_t spectralScanStart(uint16_t numSamples, uint8_t window = RADIOLIB_SX126X_SPECTRAL_SCAN_WINDOW_DEFAULT, uint8_t interval = RADIOLIB_SX126X_SCAN_INTERVAL_8_20_US);


     void spectralScanAbort();


     int16_t spectralScanGetStatus();


     int16_t spectralScanGetResult(uint16_t* results);


     int16_t setPaConfig(uint8_t paDutyCycle, uint8_t deviceSel, uint8_t hpMax = RADIOLIB_SX126X_PA_CONFIG_HP_MAX, uint8_t paLut = RADIOLIB_SX126X_PA_CONFIG_PA_LUT);


     int16_t calibrateImageRejection(float freqMin, float freqMax);


     int16_t setPaRampTime(uint8_t rampTime);


 #if !RADIOLIB_GODMODE && !RADIOLIB_LOW_LEVEL

   protected:

 #endif

     Module* getMod() override;


     // SX126x SPI command implementations

     int16_t setFs();

     int16_t setTx(uint32_t timeout = 0);

     int16_t setRx(uint32_t timeout);

     int16_t setCad(uint8_t symbolNum, uint8_t detPeak, uint8_t detMin);

     int16_t writeRegister(uint16_t addr, uint8_t* data, uint8_t numBytes);

     int16_t readRegister(uint16_t addr, uint8_t* data, uint8_t numBytes);

     int16_t writeBuffer(uint8_t* data, uint8_t numBytes, uint8_t offset = 0x00);

     int16_t readBuffer(uint8_t* data, uint8_t numBytes, uint8_t offset = 0x00);

     int16_t setDioIrqParams(uint16_t irqMask, uint16_t dio1Mask, uint16_t dio2Mask = RADIOLIB_SX126X_IRQ_NONE, uint16_t dio3Mask = RADIOLIB_SX126X_IRQ_NONE);

     virtual int16_t clearIrqStatus(uint16_t clearIrqParams = RADIOLIB_SX126X_IRQ_ALL);

     int16_t setRfFrequency(uint32_t frf);

     int16_t calibrateImage(uint8_t* data);

     uint8_t getPacketType();

     int16_t setTxParams(uint8_t power, uint8_t rampTime);

     int16_t setModulationParams(uint8_t sf, uint8_t bw, uint8_t cr, uint8_t ldro);

     int16_t setModulationParamsFSK(uint32_t br, uint8_t sh, uint8_t rxBw, uint32_t freqDev);

     int16_t setPacketParams(uint16_t preambleLen, uint8_t crcType, uint8_t payloadLen, uint8_t hdrType, uint8_t invertIQ);

     int16_t setPacketParamsFSK(uint16_t preambleLen, uint8_t crcType, uint8_t syncWordLen, uint8_t addrCmp, uint8_t whiten, uint8_t packType = RADIOLIB_SX126X_GFSK_PACKET_VARIABLE, uint8_t payloadLen = 0xFF, uint8_t preambleDetectorLen = RADIOLIB_SX126X_GFSK_PREAMBLE_DETECT_16);

     int16_t setBufferBaseAddress(uint8_t txBaseAddress = 0x00, uint8_t rxBaseAddress = 0x00);

     int16_t setRegulatorMode(uint8_t mode);

     uint8_t getStatus();

     uint32_t getPacketStatus();

     uint16_t getDeviceErrors();

     int16_t clearDeviceErrors();


 #if !RADIOLIB_GODMODE

   protected:

 #endif

     const char* chipType = NULL;

     uint8_t bandwidth = 0;


     // Allow subclasses to define different TX modes

     uint8_t txMode = Module::MODE_TX;


     int16_t setFrequencyRaw(float freq);

     int16_t fixPaClamping(bool enable = true);


     // common low-level SPI interface

     static int16_t SPIparseStatus(uint8_t in);


 #if !RADIOLIB_GODMODE

   private:

 #endif

     Module* mod;


     uint8_t spreadingFactor = 0, codingRate = 0, ldrOptimize = 0, crcTypeLoRa = 0, headerType = 0;

     uint16_t preambleLengthLoRa = 0;

     float bandwidthKhz = 0;

     bool ldroAuto = true;


     uint32_t bitRate = 0, frequencyDev = 0;

     uint8_t rxBandwidth = 0, pulseShape = 0, crcTypeFSK = 0, syncWordLength = 0, addrComp = 0, whitening = 0, packetType = 0;

     uint16_t preambleLengthFSK = 0;

     float rxBandwidthKhz = 0;


     float dataRateMeasured = 0;


     uint32_t tcxoDelay = 0;

     uint8_t pwr = 0;


     size_t implicitLen = 0;

     uint8_t invertIQEnabled = RADIOLIB_SX126X_LORA_IQ_STANDARD;


     int16_t config(uint8_t modem);

     bool findChip(const char* verStr);

     int16_t startReceiveCommon(uint32_t timeout = RADIOLIB_SX126X_RX_TIMEOUT_INF, uint16_t irqFlags = RADIOLIB_SX126X_IRQ_RX_DEFAULT, uint16_t irqMask = RADIOLIB_SX126X_IRQ_RX_DONE);

     int16_t setPacketMode(uint8_t mode, uint8_t len);

     int16_t setHeaderType(uint8_t hdrType, size_t len = 0xFF);

     int16_t directMode();

     int16_t packetMode();


     // fixes to errata

     int16_t fixSensitivity();

     int16_t fixImplicitTimeout();

     int16_t fixInvertedIQ(uint8_t iqConfig);


     void regdump();

     void effectEvalPre(uint8_t* buff, uint32_t start);

     void effectEvalPost(uint8_t* buff, uint32_t start);

     void effectEval();

 };


 #endif


 #endif

Module
Implements all common low-level methods to control the wireless module. Every module class contains o...
Definition: Module.h:65

Module::RFSWITCH_MAX_PINS
static const size_t RFSWITCH_MAX_PINS
The maximum number of pins supported by the RF switch code. Note: It is not recommended to use this c...
Definition: Module.h:74

Module::MODE_TX
@ MODE_TX
Transmission mode.
Definition: Module.h:111

PhysicalLayer
Provides common interface for protocols that run on LoRa/FSK modules, such as RTTY or LoRaWAN....
Definition: PhysicalLayer.h:54

PhysicalLayer::readData
virtual int16_t readData(uint8_t *data, size_t len)
Reads data that was received after calling startReceive method.
Definition: PhysicalLayer.cpp:209

PhysicalLayer::transmit
int16_t transmit(const char *str, uint8_t addr=0)
C-string transmit method.
Definition: PhysicalLayer.cpp:52

PhysicalLayer::startTransmit
int16_t startTransmit(const char *str, uint8_t addr=0)
Interrupt-driven Arduino String transmit method. Unlike the standard transmit method,...
Definition: PhysicalLayer.cpp:149

PhysicalLayer::getRSSI
virtual float getRSSI()
Gets RSSI (Recorded Signal Strength Indicator) of the last received packet.
Definition: PhysicalLayer.cpp:295

PhysicalLayer::receive
virtual int16_t receive(uint8_t *data, size_t len)
Binary receive method. Must be implemented in module class.
Definition: PhysicalLayer.cpp:112

SX126x
Base class for SX126x series. All derived classes for SX126x (e.g. SX1262 or SX1268) inherit from thi...
Definition: SX126x.h:443

SX126x::startChannelScan
int16_t startChannelScan() override
Interrupt-driven channel activity detection method. DIO1 will be activated when LoRa preamble is dete...
Definition: SX126x.cpp:738

SX126x::getFrequencyError
float getFrequencyError()
Gets frequency error of the latest received packet. WARNING: This functionality is based on SX128x im...
Definition: SX126x.cpp:1360

SX126x::startReceiveDutyCycleAuto
int16_t startReceiveDutyCycleAuto(uint16_t senderPreambleLength=0, uint16_t minSymbols=8, uint16_t irqFlags=RADIOLIB_SX126X_IRQ_RX_DEFAULT, uint16_t irqMask=RADIOLIB_SX126X_IRQ_RX_DONE)
Calls startReceiveDutyCycle with rxPeriod and sleepPeriod set so the unit shouldn't miss any messages...
Definition: SX126x.cpp:630

SX126x::setRfSwitchPins
void setRfSwitchPins(uint32_t rxEn, uint32_t txEn)
Some modules contain external RF switch controlled by pins. This function gives RadioLib control over...
Definition: SX126x.cpp:1488

SX126x::setDio1Action
void setDio1Action(void(*func)(void))
Sets interrupt service routine to call when DIO1 activates.
Definition: SX126x.cpp:483

SX126x::setPaConfig
int16_t setPaConfig(uint8_t paDutyCycle, uint8_t deviceSel, uint8_t hpMax=RADIOLIB_SX126X_PA_CONFIG_HP_MAX, uint8_t paLut=RADIOLIB_SX126X_PA_CONFIG_PA_LUT)
Set the PA configuration. Allows user to optimize PA for a specific output power and matching network...
Definition: SX126x.cpp:1795

SX126x::getTimeOnAir
RadioLibTime_t getTimeOnAir(size_t len) override
Get expected time-on-air for a given size of payload.
Definition: SX126x.cpp:1414

SX126x::randomByte
uint8_t randomByte() override
Get one truly random byte from RSSI noise.
Definition: SX126x.cpp:1517

SX126x::calculateRxTimeout
RadioLibTime_t calculateRxTimeout(RadioLibTime_t timeoutUs) override
Calculate the timeout value for this specific module / series (in number of symbols or units of time)
Definition: SX126x.cpp:1449

SX126x::setDataShaping
int16_t setDataShaping(uint8_t sh) override
Sets time-bandwidth product of Gaussian filter applied for shaping. Allowed values are RADIOLIB_SHAPI...
Definition: SX126x.cpp:1105

SX126x::setRegulatorLDO
int16_t setRegulatorLDO()
Set regulator mode to LDO.
Definition: SX126x.cpp:1476

SX126x::invertIQ
int16_t invertIQ(bool enable) override
Enable/disable inversion of the I and Q signals.
Definition: SX126x.cpp:1546

SX126x::uploadPatch
int16_t uploadPatch(const uint32_t *patch, size_t len, bool nonvolatile=true)
Upload binary patch into the SX126x device RAM. Patch is needed to e.g., enable spectral scan and mus...
Definition: SX126x.cpp:1570

SX126x::setEncoding
int16_t setEncoding(uint8_t encoding) override
Sets transmission encoding. Available in FSK mode only. Serves only as alias for PhysicalLayer compat...
Definition: SX126x.cpp:1484

SX126x::setRfSwitchTable
void setRfSwitchTable(const uint32_t(&pins)[Module::RFSWITCH_MAX_PINS], const Module::RfSwitchMode_t table[])
Some modules contain external RF switch controlled by pins. This function gives RadioLib control over...
Definition: SX126x.cpp:1492

SX126x::beginFSK
int16_t beginFSK(float br, float freqDev, float rxBw, uint16_t preambleLength, float tcxoVoltage, bool useRegulatorLDO=false)
Initialization method for FSK modem.
Definition: SX126x.cpp:101

SX126x::setBandwidth
int16_t setBandwidth(float bw)
Sets LoRa bandwidth. Allowed values are 7.8, 10.4, 15.6, 20.8, 31.25, 41.7, 62.5, 125....
Definition: SX126x.cpp:787

SX126x::isRxTimeout
bool isRxTimeout() override
Check whether the IRQ bit for RxTimeout is set.
Definition: SX126x.cpp:1462

SX126x::readData
virtual int16_t readData(uint8_t *data, size_t len)
Reads data that was received after calling startReceive method.
Definition: PhysicalLayer.cpp:209

SX126x::explicitHeader
int16_t explicitHeader()
Set explicit header mode for future reception/transmission.
Definition: SX126x.cpp:1472

SX126x::clearChannelScanAction
void clearChannelScanAction() override
Clears interrupt service routine to call when a channel scan is finished.
Definition: SX126x.cpp:511

SX126x::forceLDRO
int16_t forceLDRO(bool enable)
Forces LoRa low data rate optimization. Only available in LoRa mode. After calling this method,...
Definition: SX126x.cpp:1496

SX126x::transmit
int16_t transmit(const char *str, uint8_t addr=0)
C-string transmit method.
Definition: PhysicalLayer.cpp:52

SX126x::setDirectAction
void setDirectAction(void(*func)(void)) override
Set interrupt service routine function to call when data bit is received in direct mode.
Definition: SX126x.cpp:1561

SX126x::setNodeAddress
int16_t setNodeAddress(uint8_t nodeAddr)
Sets node address. Calling this method will also enable address filtering for node address only.
Definition: SX126x.cpp:1185

SX126x::spectralScanGetStatus
int16_t spectralScanGetStatus()
Read the status of spectral scan.
Definition: SX126x.cpp:1637

SX126x::clearPacketReceivedAction
void clearPacketReceivedAction() override
Clears interrupt service routine to call when a packet is received.
Definition: SX126x.cpp:495

SX126x::setTCXO
int16_t setTCXO(float voltage, uint32_t delay=5000)
Sets TCXO (Temperature Compensated Crystal Oscillator) configuration.
Definition: SX126x.cpp:1657

SX126x::getSNR
float getSNR() override
Gets SNR (Signal to Noise Ratio) of the last received packet. Only available for LoRa modem.
Definition: SX126x.cpp:1344

SX126x::setRxBandwidth
int16_t setRxBandwidth(float rxBw)
Sets FSK receiver bandwidth. Allowed values are 4.8, 5.8, 7.3, 9.7, 11.7, 14.6, 19....
Definition: SX126x.cpp:1005

SX126x::setRegulatorDCDC
int16_t setRegulatorDCDC()
Set regulator mode to DC-DC.
Definition: SX126x.cpp:1480

SX126x::startReceiveDutyCycle
int16_t startReceiveDutyCycle(uint32_t rxPeriod, uint32_t sleepPeriod, uint16_t irqFlags=RADIOLIB_SX126X_IRQ_RX_DEFAULT, uint16_t irqMask=RADIOLIB_SX126X_IRQ_RX_DONE)
Interrupt-driven receive method where the device mostly sleeps and periodically wakes to listen....
Definition: SX126x.cpp:603

SX126x::startReceive
int16_t startReceive() override
Interrupt-driven receive method with default parameters. Implemented for compatibility with PhysicalL...
Definition: SX126x.cpp:585

SX126x::clearDio1Action
void clearDio1Action()
Clears interrupt service routine to call when DIO1 activates.
Definition: SX126x.cpp:487

SX126x::checkDataRate
int16_t checkDataRate(DataRate_t dr) override
Check the data rate can be configured by this module.
Definition: SX126x.cpp:984

SX126x::setPacketReceivedAction
void setPacketReceivedAction(void(*func)(void)) override
Sets interrupt service routine to call when a packet is received.
Definition: SX126x.cpp:491

SX126x::standby
int16_t standby() override
Sets the module to standby mode (overload for PhysicalLayer compatibility, uses 13 MHz RC oscillator)...
Definition: SX126x.cpp:466

SX126x::setFrequencyDeviation
int16_t setFrequencyDeviation(float freqDev) override
Sets FSK frequency deviation. Allowed values range from 0.0 to 200.0 kHz.
Definition: SX126x.cpp:910

SX126x::spectralScanAbort
void spectralScanAbort()
Abort an ongoing spectral scan.
Definition: SX126x.cpp:1633

SX126x::sleep
int16_t sleep() override
Sets the module to sleep mode. To wake the device up, call standby(). Overload with warm start enable...
Definition: SX126x.cpp:446

SX126x::receiveDirect
int16_t receiveDirect() override
Starts direct mode reception. Only implemented for PhysicalLayer compatibility, as SX126x series does...
Definition: SX126x.cpp:353

SX126x::spectralScanStart
int16_t spectralScanStart(uint16_t numSamples, uint8_t window=RADIOLIB_SX126X_SPECTRAL_SCAN_WINDOW_DEFAULT, uint8_t interval=RADIOLIB_SX126X_SCAN_INTERVAL_8_20_US)
Start spectral scan. Requires binary path to be uploaded.
Definition: SX126x.cpp:1617

SX126x::finishTransmit
int16_t finishTransmit() override
Clean up after transmission is done.
Definition: SX126x.cpp:577

SX126x::setCurrentLimit
int16_t setCurrentLimit(float currentLimit)
Sets current protection limit. Can be set in 2.5 mA steps.
Definition: SX126x.cpp:875

SX126x::setRxBoostedGainMode
int16_t setRxBoostedGainMode(bool rxbgm, bool persist=true)
Enables or disables Rx Boosted Gain mode as described in SX126x datasheet section 9....
Definition: SX126x.cpp:1068

SX126x::transmitDirect
int16_t transmitDirect(uint32_t frf=0) override
Starts direct mode transmission.
Definition: SX126x.cpp:337

SX126x::startTransmit
int16_t startTransmit(const char *str, uint8_t addr=0)
Interrupt-driven Arduino String transmit method. Unlike the standard transmit method,...
Definition: PhysicalLayer.cpp:149

SX126x::variablePacketLengthMode
int16_t variablePacketLengthMode(uint8_t maxLen=RADIOLIB_SX126X_MAX_PACKET_LENGTH)
Set modem in variable packet length mode. Available in FSK mode only.
Definition: SX126x.cpp:1410

SX126x::begin
int16_t begin(uint8_t cr, uint8_t syncWord, uint16_t preambleLength, float tcxoVoltage, bool useRegulatorLDO=false)
Initialization method for LoRa modem.
Definition: SX126x.cpp:12

SX126x::setCRC
int16_t setCRC(uint8_t len, uint16_t initial=0x1D0F, uint16_t polynomial=0x1021, bool inverted=true)
Sets CRC configuration.
Definition: SX126x.cpp:1230

SX126x::getIrqStatus
uint16_t getIrqStatus()
Reads the current IRQ status.
Definition: SX126x.cpp:1832

SX126x::reset
int16_t reset(bool verify=true)
Reset method. Will reset the chip to the default state using RST pin.
Definition: SX126x.cpp:198

SX126x::setSyncWord
int16_t setSyncWord(uint8_t syncWord, uint8_t controlBits=0x44)
Sets LoRa sync word.
Definition: SX126x.cpp:864

SX126x::calibrateImageRejection
int16_t calibrateImageRejection(float freqMin, float freqMax)
Perform image rejection calibration for the specified frequency band. WARNING: Use at your own risk!...
Definition: SX126x.cpp:1848

SX126x::getCurrentLimit
float getCurrentLimit()
Reads current protection limit.
Definition: SX126x.cpp:888

SX126x::SX126x
SX126x(Module *mod)
Default constructor.
Definition: SX126x.cpp:6

SX126x::irqRxDoneRxTimeout
int16_t irqRxDoneRxTimeout(uint32_t &irqFlags, uint32_t &irqMask) override
Create the flags that make up RxDone and RxTimeout used for receiving downlinks.
Definition: SX126x.cpp:1456

SX126x::receive
virtual int16_t receive(uint8_t *data, size_t len)
Binary receive method. Must be implemented in module class.
Definition: PhysicalLayer.cpp:112

SX126x::autoLDRO
int16_t autoLDRO()
Re-enables automatic LDRO configuration. Only available in LoRa mode. After calling this method,...
Definition: SX126x.cpp:1508

SX126x::fixedPacketLengthMode
int16_t fixedPacketLengthMode(uint8_t len=RADIOLIB_SX126X_MAX_PACKET_LENGTH)
Set modem in fixed packet length mode. Available in FSK mode only.
Definition: SX126x.cpp:1406

SX126x::setBroadcastAddress
int16_t setBroadcastAddress(uint8_t broadAddr)
Sets broadcast address. Calling this method will also enable address filtering for node and broadcast...
Definition: SX126x.cpp:1202

SX126x::setBitRate
int16_t setBitRate(float br) override
Sets FSK bit rate. Allowed values range from 0.6 to 300.0 kbps.
Definition: SX126x.cpp:934

SX126x::getPacketLength
size_t getPacketLength(bool update=true) override
Query modem for the packet length of received payload.
Definition: SX126x.cpp:1393

SX126x::setSyncBits
int16_t setSyncBits(uint8_t *syncWord, uint8_t bitsLen)
Sets FSK sync word in the form of array of up to 8 bytes.
Definition: SX126x.cpp:1166

SX126x::setPacketSentAction
void setPacketSentAction(void(*func)(void)) override
Sets interrupt service routine to call when a packet is sent.
Definition: SX126x.cpp:499

SX126x::readBit
void readBit(uint32_t pin) override
Function to read and process data bit in direct reception mode.
Definition: SX126x.cpp:1565

SX126x::scanChannel
int16_t scanChannel() override
Performs scan for LoRa transmission in the current channel. Detects both preamble and payload.
Definition: SX126x.cpp:427

SX126x::getDataRate
float getDataRate() const
Gets effective data rate for the last transmitted packet. The value is calculated only for payload by...
Definition: SX126x.cpp:1326

SX126x::setPreambleLength
int16_t setPreambleLength(size_t preambleLength) override
Sets preamble length for LoRa or FSK modem. Allowed values range from 1 to 65535.
Definition: SX126x.cpp:897

SX126x::setPaRampTime
int16_t setPaRampTime(uint8_t rampTime)
Set PA ramp-up time. Set to 200us by default.
Definition: SX126x.cpp:1856

SX126x::XTAL
bool XTAL
Whether the module has an XTAL (true) or TCXO (false). Defaults to false.
Definition: SX126x.h:460

SX126x::implicitHeader
int16_t implicitHeader(size_t len)
Set implicit header mode for future reception/transmission.
Definition: SX126x.cpp:1468

SX126x::setDio2AsRfSwitch
int16_t setDio2AsRfSwitch(bool enable=true)
Set DIO2 to function as RF switch (default in Semtech example designs).
Definition: SX126x.cpp:1710

SX126x::spectralScanGetResult
int16_t spectralScanGetResult(uint16_t *results)
Read the result of spectral scan.
Definition: SX126x.cpp:1645

SX126x::setWhitening
int16_t setWhitening(bool enabled, uint16_t initial=0x01FF)
Sets FSK whitening parameters.
Definition: SX126x.cpp:1289

SX126x::setSpreadingFactor
int16_t setSpreadingFactor(uint8_t sf)
Sets LoRa spreading factor. Allowed values range from 5 to 12.
Definition: SX126x.cpp:838

SX126x::standbyXOSC
bool standbyXOSC
Whether to use XOSC (true) or RC (false) oscillator in standby mode. Defaults to false.
Definition: SX126x.h:465

SX126x::setChannelScanAction
void setChannelScanAction(void(*func)(void)) override
Sets interrupt service routine to call when a channel scan is finished.
Definition: SX126x.cpp:507

SX126x::setDataRate
int16_t setDataRate(DataRate_t dr) override
Set data.
Definition: SX126x.cpp:955

SX126x::clearPacketSentAction
void clearPacketSentAction() override
Clears interrupt service routine to call when a packet is sent.
Definition: SX126x.cpp:503

SX126x::disableAddressFiltering
int16_t disableAddressFiltering()
Disables address filtering. Calling this method will also erase previously set addresses.
Definition: SX126x.cpp:1219

SX126x::setCodingRate
int16_t setCodingRate(uint8_t cr)
Sets LoRa coding rate denominator. Allowed values range from 5 to 8.
Definition: SX126x.cpp:851

SX126x::getChannelScanResult
int16_t getChannelScanResult() override
Read the channel scan result.
Definition: SX126x.cpp:768

RadioLibTime_t
unsigned long RadioLibTime_t
Type used for durations in RadioLib.
Definition: TypeDef.h:611

Module::RfSwitchMode_t
Description of RF switch pin states for a single mode. See setRfSwitchTable for details.
Definition: Module.h:81

DataRate_t
Common data rate structure.
Definition: PhysicalLayer.h:38