commit/3fe5c6d0a09fd33244e3355f828f27c3aaab0e94/_r_f69_8h_source.html

 #if !defined(_RADIOLIB_RF69_H)
 #define _RADIOLIB_RF69_H

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

 #if !defined(RADIOLIB_EXCLUDE_RF69)

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

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

 // RF69 physical layer properties
 #define RF69_FREQUENCY_STEP_SIZE                      61.03515625
 #define RF69_MAX_PACKET_LENGTH                        64
 #define RF69_CRYSTAL_FREQ                             32.0
 #define RF69_DIV_EXPONENT                             19

 // RF69 register map
 #define RF69_REG_FIFO                                 0x00
 #define RF69_REG_OP_MODE                              0x01
 #define RF69_REG_DATA_MODUL                           0x02
 #define RF69_REG_BITRATE_MSB                          0x03
 #define RF69_REG_BITRATE_LSB                          0x04
 #define RF69_REG_FDEV_MSB                             0x05
 #define RF69_REG_FDEV_LSB                             0x06
 #define RF69_REG_FRF_MSB                              0x07
 #define RF69_REG_FRF_MID                              0x08
 #define RF69_REG_FRF_LSB                              0x09
 #define RF69_REG_OSC_1                                0x0A
 #define RF69_REG_AFC_CTRL                             0x0B
 #define RF69_REG_LISTEN_1                             0x0D
 #define RF69_REG_LISTEN_2                             0x0E
 #define RF69_REG_LISTEN_3                             0x0F
 #define RF69_REG_VERSION                              0x10
 #define RF69_REG_PA_LEVEL                             0x11
 #define RF69_REG_PA_RAMP                              0x12
 #define RF69_REG_OCP                                  0x13
 #define RF69_REG_LNA                                  0x18
 #define RF69_REG_RX_BW                                0x19
 #define RF69_REG_AFC_BW                               0x1A
 #define RF69_REG_OOK_PEAK                             0x1B
 #define RF69_REG_OOK_AVG                              0x1C
 #define RF69_REG_OOK_FIX                              0x1D
 #define RF69_REG_AFC_FEI                              0x1E
 #define RF69_REG_AFC_MSB                              0x1F
 #define RF69_REG_AFC_LSB                              0x20
 #define RF69_REG_FEI_MSB                              0x21
 #define RF69_REG_FEI_LSB                              0x22
 #define RF69_REG_RSSI_CONFIG                          0x23
 #define RF69_REG_RSSI_VALUE                           0x24
 #define RF69_REG_DIO_MAPPING_1                        0x25
 #define RF69_REG_DIO_MAPPING_2                        0x26
 #define RF69_REG_IRQ_FLAGS_1                          0x27
 #define RF69_REG_IRQ_FLAGS_2                          0x28
 #define RF69_REG_RSSI_THRESH                          0x29
 #define RF69_REG_RX_TIMEOUT_1                         0x2A
 #define RF69_REG_RX_TIMEOUT_2                         0x2B
 #define RF69_REG_PREAMBLE_MSB                         0x2C
 #define RF69_REG_PREAMBLE_LSB                         0x2D
 #define RF69_REG_SYNC_CONFIG                          0x2E
 #define RF69_REG_SYNC_VALUE_1                         0x2F
 #define RF69_REG_SYNC_VALUE_2                         0x30
 #define RF69_REG_SYNC_VALUE_3                         0x31
 #define RF69_REG_SYNC_VALUE_4                         0x32
 #define RF69_REG_SYNC_VALUE_5                         0x33
 #define RF69_REG_SYNC_VALUE_6                         0x34
 #define RF69_REG_SYNC_VALUE_7                         0x35
 #define RF69_REG_SYNC_VALUE_8                         0x36
 #define RF69_REG_PACKET_CONFIG_1                      0x37
 #define RF69_REG_PAYLOAD_LENGTH                       0x38
 #define RF69_REG_NODE_ADRS                            0x39
 #define RF69_REG_BROADCAST_ADRS                       0x3A
 #define RF69_REG_AUTO_MODES                           0x3B
 #define RF69_REG_FIFO_THRESH                          0x3C
 #define RF69_REG_PACKET_CONFIG_2                      0x3D
 #define RF69_REG_AES_KEY_1                            0x3E
 #define RF69_REG_AES_KEY_2                            0x3F
 #define RF69_REG_AES_KEY_3                            0x40
 #define RF69_REG_AES_KEY_4                            0x41
 #define RF69_REG_AES_KEY_5                            0x42
 #define RF69_REG_AES_KEY_6                            0x43
 #define RF69_REG_AES_KEY_7                            0x44
 #define RF69_REG_AES_KEY_8                            0x45
 #define RF69_REG_AES_KEY_9                            0x46
 #define RF69_REG_AES_KEY_10                           0x47
 #define RF69_REG_AES_KEY_11                           0x48
 #define RF69_REG_AES_KEY_12                           0x49
 #define RF69_REG_AES_KEY_13                           0x4A
 #define RF69_REG_AES_KEY_14                           0x4B
 #define RF69_REG_AES_KEY_15                           0x4C
 #define RF69_REG_AES_KEY_16                           0x4D
 #define RF69_REG_TEMP_1                               0x4E
 #define RF69_REG_TEMP_2                               0x4F
 #define RF69_REG_TEST_PA1                             0x5A
 #define RF69_REG_TEST_PA2                             0x5C
 #define RF69_REG_TEST_DAGC                            0x6F

 // RF69 modem settings
 // RF69_REG_OP_MODE                                                   MSB   LSB   DESCRIPTION
 #define RF69_SEQUENCER_OFF                            0b00000000  //  7     7     disable automatic sequencer
 #define RF69_SEQUENCER_ON                             0b10000000  //  7     7     enable automatic sequencer
 #define RF69_LISTEN_OFF                               0b00000000  //  6     6     disable Listen mode
 #define RF69_LISTEN_ON                                0b01000000  //  6     6     enable Listen mode
 #define RF69_LISTEN_ABORT                             0b00100000  //  5     5     abort Listen mode (has to be set together with RF69_LISTEN_OFF)
 #define RF69_SLEEP                                    0b00000000  //  4     2     sleep
 #define RF69_STANDBY                                  0b00000100  //  4     2     standby
 #define RF69_FS                                       0b00001000  //  4     2     frequency synthesis
 #define RF69_TX                                       0b00001100  //  4     2     transmit
 #define RF69_RX                                       0b00010000  //  4     2     receive

 // RF69_REG_DATA_MODUL
 #define RF69_PACKET_MODE                              0b00000000  //  6     5     packet mode (default)
 #define RF69_CONTINUOUS_MODE_WITH_SYNC                0b01000000  //  6     5     continuous mode with bit synchronizer
 #define RF69_CONTINUOUS_MODE                          0b01100000  //  6     5     continuous mode without bit synchronizer
 #define RF69_FSK                                      0b00000000  //  4     3     modulation: FSK (default)
 #define RF69_OOK                                      0b00001000  //  4     3                 OOK
 #define RF69_NO_SHAPING                               0b00000000  //  1     0     modulation shaping: no shaping (default)
 #define RF69_FSK_GAUSSIAN_1_0                         0b00000001  //  1     0                         FSK modulation Gaussian filter, BT = 1.0
 #define RF69_FSK_GAUSSIAN_0_5                         0b00000010  //  1     0                         FSK modulation Gaussian filter, BT = 0.5
 #define RF69_FSK_GAUSSIAN_0_3                         0b00000011  //  1     0                         FSK modulation Gaussian filter, BT = 0.3
 #define RF69_OOK_FILTER_BR                            0b00000001  //  1     0                         OOK modulation filter, f_cutoff = BR
 #define RF69_OOK_FILTER_2BR                           0b00000010  //  1     0                         OOK modulation filter, f_cutoff = 2*BR

 // RF69_REG_BITRATE_MSB + REG_BITRATE_LSB
 #define RF69_BITRATE_MSB                              0x1A        //  7     0     bit rate setting: rate = F(XOSC) / BITRATE
 #define RF69_BITRATE_LSB                              0x0B        //  7     0         default value: 4.8 kbps                            0x40        //  7     0

 // RF69_REG_FDEV_MSB + REG_FDEV_LSB
 #define RF69_FDEV_MSB                                 0x00        //  5     0     frequency deviation: f_dev = f_step * FDEV
 #define RF69_FDEV_LSB                                 0x52        //  7     0         default value: 5 kHz

 // RF69_REG_FRF_MSB + REG_FRF_MID + REG_FRF_LSB
 #define RF69_FRF_MSB                                  0xE4        //  7     0     carrier frequency setting: f_RF = (F(XOSC) * FRF)/2^19
 #define RF69_FRF_MID                                  0xC0        //  7     0         where F(XOSC) = 32 MHz
 #define RF69_FRF_LSB                                  0x00        //  7     0         default value: 915 MHz

 // RF69_REG_OSC_1
 #define RF69_RC_CAL_START                             0b10000000  //  7     7     force RC oscillator calibration
 #define RF69_RC_CAL_RUNNING                           0b00000000  //  6     6     RC oscillator calibration is still running
 #define RF69_RC_CAL_DONE                              0b00000000  //  5     5     RC oscillator calibration has finished

 // RF69_REG_AFC_CTRL
 #define RF69_AFC_LOW_BETA_OFF                         0b00000000  //  5     5     standard AFC routine
 #define RF69_AFC_LOW_BETA_ON                          0b00100000  //  5     5     improved AFC routine for signals with modulation index less than 2

 // RF69_REG_LISTEN_1
 #define RF69_LISTEN_RES_IDLE_64_US                    0b01000000  //  7     6     resolution of Listen mode idle time: 64 us
 #define RF69_LISTEN_RES_IDLE_4_1_MS                   0b10000000  //  7     6                                          4.1 ms (default)
 #define RF69_LISTEN_RES_IDLE_262_MS                   0b11000000  //  7     6                                          262 ms
 #define RF69_LISTEN_RES_RX_64_US                      0b00010000  //  5     4     resolution of Listen mode rx time: 64 us (default)
 #define RF69_LISTEN_RES_RX_4_1_MS                     0b00100000  //  5     4                                        4.1 ms
 #define RF69_LISTEN_RES_RX_262_MS                     0b00110000  //  5     4                                        262 ms
 #define RF69_LISTEN_ACCEPT_ABOVE_RSSI_THRESH          0b00000000  //  3     3     packet acceptance criteria: RSSI above threshold
 #define RF69_LISTEN_ACCEPT_MATCH_SYNC_ADDRESS         0b00001000  //  3     3                                 RSSI above threshold AND sync address matched
 #define RF69_LISTEN_END_KEEP_RX                       0b00000000  //  2     1     action after packet acceptance: stay in Rx mode
 #define RF69_LISTEN_END_KEEP_RX_TIMEOUT               0b00000010  //  2     1                                     stay in Rx mode until timeout (default)
 #define RF69_LISTEN_END_KEEP_RX_TIMEOUT_RESUME        0b00000100  //  2     1                                     stay in Rx mode until timeout, Listen mode will resume

 // RF69_REG_LISTEN_2
 #define RF69_LISTEN_COEF_IDLE                         0xF5        //  7     0     duration of idle phase in Listen mode

 // RF69_REG_LISTEN_3
 #define RF69_LISTEN_COEF_RX                           0x20        //  7     0     duration of Rx phase in Listen mode

 // RF69_REG_VERSION
 #define RF69_CHIP_VERSION                             0x24        //  7     0

 // RF69_REG_PA_LEVEL
 #define RF69_PA0_OFF                                  0b00000000  //  7     7     PA0 disabled
 #define RF69_PA0_ON                                   0b10000000  //  7     7     PA0 enabled (default)
 #define RF69_PA1_OFF                                  0b00000000  //  6     6     PA1 disabled (default)
 #define RF69_PA1_ON                                   0b01000000  //  6     6     PA1 enabled
 #define RF69_PA2_OFF                                  0b00000000  //  5     5     PA2 disabled (default)
 #define RF69_PA2_ON                                   0b00100000  //  5     5     PA2 enabled
 #define RF69_OUTPUT_POWER                             0b00011111  //  4     0     output power: P_out = -18 + OUTPUT_POWER

 // RF69_REG_PA_RAMP
 #define RF69_PA_RAMP_3_4_MS                           0b00000000  //  3     0     PA ramp rise/fall time: 3.4 ms
 #define RF69_PA_RAMP_2_MS                             0b00000001  //  3     0                             2 ms
 #define RF69_PA_RAMP_1_MS                             0b00000010  //  3     0                             1 ms
 #define RF69_PA_RAMP_500_US                           0b00000011  //  3     0                             500 us
 #define RF69_PA_RAMP_250_US                           0b00000100  //  3     0                             250 us
 #define RF69_PA_RAMP_125_US                           0b00000101  //  3     0                             125 us
 #define RF69_PA_RAMP_100_US                           0b00000110  //  3     0                             100 us
 #define RF69_PA_RAMP_62_US                            0b00000111  //  3     0                             62 us
 #define RF69_PA_RAMP_50_US                            0b00001000  //  3     0                             50 us
 #define RF69_PA_RAMP_40_US                            0b00001001  //  3     0                             40 us (default)
 #define RF69_PA_RAMP_31_US                            0b00001010  //  3     0                             31 us
 #define RF69_PA_RAMP_25_US                            0b00001011  //  3     0                             25 us
 #define RF69_PA_RAMP_20_US                            0b00001100  //  3     0                             20 us
 #define RF69_PA_RAMP_15_US                            0b00001101  //  3     0                             15 us
 #define RF69_PA_RAMP_12_US                            0b00001110  //  3     0                             12 us
 #define RF69_PA_RAMP_10_US                            0b00001111  //  3     0                             10 us

 // RF69_REG_OCP
 #define RF69_OCP_OFF                                  0b00000000  //  4     4     PA overload current protection disabled
 #define RF69_OCP_ON                                   0b00010000  //  4     4     PA overload current protection enabled
 #define RF69_OCP_TRIM                                 0b00001010  //  3     0     OCP current: I_max(OCP_TRIM = 0b1010) = 95 mA

 // RF69_REG_LNA
 #define RF69_LNA_Z_IN_50_OHM                          0b00000000  //  7     7     LNA input impedance: 50 ohm
 #define RF69_LNA_Z_IN_200_OHM                         0b10000000  //  7     7                          200 ohm
 #define RF69_LNA_CURRENT_GAIN                         0b00001000  //  5     3     manually set LNA current gain
 #define RF69_LNA_GAIN_AUTO                            0b00000000  //  2     0     LNA gain setting: set automatically by AGC
 #define RF69_LNA_GAIN_MAX                             0b00000001  //  2     0                       max gain
 #define RF69_LNA_GAIN_MAX_6_DB                        0b00000010  //  2     0                       max gain - 6 dB
 #define RF69_LNA_GAIN_MAX_12_DB                       0b00000011  //  2     0                       max gain - 12 dB
 #define RF69_LNA_GAIN_MAX_24_DB                       0b00000100  //  2     0                       max gain - 24 dB
 #define RF69_LNA_GAIN_MAX_36_DB                       0b00000101  //  2     0                       max gain - 36 dB
 #define RF69_LNA_GAIN_MAX_48_DB                       0b00000110  //  2     0                       max gain - 48 dB

 // RF69_REG_RX_BW
 #define RF69_DCC_FREQ                                 0b01000000  //  7     5     DC offset canceller cutoff frequency (4% Rx BW by default)
 #define RF69_RX_BW_MANT_16                            0b00000000  //  4     3     Channel filter bandwidth FSK: RxBw = F(XOSC)/(RxBwMant * 2^(RxBwExp + 2))
 #define RF69_RX_BW_MANT_20                            0b00001000  //  4     3                              OOK: RxBw = F(XOSC)/(RxBwMant * 2^(RxBwExp + 3))
 #define RF69_RX_BW_MANT_24                            0b00010000  //  4     3
 #define RF69_RX_BW_EXP                                0b00000101  //  2     0     default RxBwExp value = 5

 // RF69_REG_AFC_BW
 #define RF69_DCC_FREQ_AFC                             0b10000000  //  7     5     default DccFreq parameter for AFC
 #define RF69_DCC_RX_BW_MANT_AFC                       0b00001000  //  4     3     default RxBwMant parameter for AFC
 #define RF69_DCC_RX_BW_EXP_AFC                        0b00000011  //  2     0     default RxBwExp parameter for AFC

 // RF69_REG_OOK_PEAK
 #define RF69_OOK_THRESH_FIXED                         0b00000000  //  7     6     OOK threshold type: fixed
 #define RF69_OOK_THRESH_PEAK                          0b01000000  //  7     6                         peak (default)
 #define RF69_OOK_THRESH_AVERAGE                       0b10000000  //  7     6                         average
 #define RF69_OOK_PEAK_THRESH_STEP_0_5_DB              0b00000000  //  5     3     OOK demodulator step size: 0.5 dB (default)
 #define RF69_OOK_PEAK_THRESH_STEP_1_0_DB              0b00001000  //  5     3                                1.0 dB
 #define RF69_OOK_PEAK_THRESH_STEP_1_5_DB              0b00010000  //  5     3                                1.5 dB
 #define RF69_OOK_PEAK_THRESH_STEP_2_0_DB              0b00011000  //  5     3                                2.0 dB
 #define RF69_OOK_PEAK_THRESH_STEP_3_0_DB              0b00100000  //  5     3                                3.0 dB
 #define RF69_OOK_PEAK_THRESH_STEP_4_0_DB              0b00101000  //  5     3                                4.0 dB
 #define RF69_OOK_PEAK_THRESH_STEP_5_0_DB              0b00110000  //  5     3                                5.0 dB
 #define RF69_OOK_PEAK_THRESH_STEP_6_0_DB              0b00111000  //  5     3                                6.0 dB
 #define RF69_OOK_PEAK_THRESH_DEC_1_1_CHIP             0b00000000  //  2     0     OOK demodulator step period: once per chip (default)
 #define RF69_OOK_PEAK_THRESH_DEC_1_2_CHIP             0b00000001  //  2     0                                  once every 2 chips
 #define RF69_OOK_PEAK_THRESH_DEC_1_4_CHIP             0b00000010  //  2     0                                  once every 4 chips
 #define RF69_OOK_PEAK_THRESH_DEC_1_8_CHIP             0b00000011  //  2     0                                  once every 8 chips
 #define RF69_OOK_PEAK_THRESH_DEC_2_1_CHIP             0b00000100  //  2     0                                  2 times per chip
 #define RF69_OOK_PEAK_THRESH_DEC_4_1_CHIP             0b00000101  //  2     0                                  4 times per chip
 #define RF69_OOK_PEAK_THRESH_DEC_8_1_CHIP             0b00000110  //  2     0                                  8 times per chip
 #define RF69_OOK_PEAK_THRESH_DEC_16_1_CHIP            0b00000111  //  2     0                                  16 times per chip

 // RF69_REG_OOK_AVG
 #define RF69_OOK_AVG_THRESH_FILT_32_PI                0b00000000  //  7     6     OOK average filter coefficient: chip rate / 32*pi
 #define RF69_OOK_AVG_THRESH_FILT_8_PI                 0b01000000  //  7     6                                     chip rate / 8*pi
 #define RF69_OOK_AVG_THRESH_FILT_4_PI                 0b10000000  //  7     6                                     chip rate / 4*pi (default)
 #define RF69_OOK_AVG_THRESH_FILT_2_PI                 0b11000000  //  7     6                                     chip rate / 2*pi

 // RF69_REG_OOK_FIX
 #define RF69_OOK_FIXED_THRESH                         0b00000110  //  7     0     default OOK fixed threshold (6 dB)

 // RF69_REG_AFC_FEI
 #define RF69_FEI_RUNNING                              0b00000000  //  6     6     FEI status: on-going
 #define RF69_FEI_DONE                                 0b01000000  //  6     6                 done
 #define RF69_FEI_START                                0b00100000  //  5     5     force new FEI measurement
 #define RF69_AFC_RUNNING                              0b00000000  //  4     4     AFC status: on-going
 #define RF69_AFC_DONE                                 0b00010000  //  4     4                 done
 #define RF69_AFC_AUTOCLEAR_OFF                        0b00000000  //  3     3     AFC register autoclear disabled
 #define RF69_AFC_AUTOCLEAR_ON                         0b00001000  //  3     3     AFC register autoclear enabled
 #define RF69_AFC_AUTO_OFF                             0b00000000  //  2     2     perform AFC only manually
 #define RF69_AFC_AUTO_ON                              0b00000100  //  2     2     perform AFC each time Rx mode is started
 #define RF69_AFC_CLEAR                                0b00000010  //  1     1     clear AFC register
 #define RF69_AFC_START                                0b00000001  //  0     0     start AFC

 // RF69_REG_RSSI_CONFIG
 #define RF69_RSSI_RUNNING                             0b00000000  //  1     1     RSSI status: on-going
 #define RF69_RSSI_DONE                                0b00000010  //  1     1                  done
 #define RF69_RSSI_START                               0b00000001  //  0     0     start RSSI measurement

 // RF69_REG_DIO_MAPPING_1
 #define RF69_DIO0_CONT_MODE_READY                     0b11000000  //  7     6
 #define RF69_DIO0_CONT_PLL_LOCK                       0b00000000  //  7     6
 #define RF69_DIO0_CONT_SYNC_ADDRESS                   0b00000000  //  7     6
 #define RF69_DIO0_CONT_TIMEOUT                        0b01000000  //  7     6
 #define RF69_DIO0_CONT_RSSI                           0b10000000  //  7     6
 #define RF69_DIO0_CONT_TX_READY                       0b01000000  //  7     6
 #define RF69_DIO0_PACK_PLL_LOCK                       0b11000000  //  7     6
 #define RF69_DIO0_PACK_CRC_OK                         0b00000000  //  7     6
 #define RF69_DIO0_PACK_PAYLOAD_READY                  0b01000000  //  7     6
 #define RF69_DIO0_PACK_SYNC_ADDRESS                   0b10000000  //  7     6
 #define RF69_DIO0_PACK_RSSI                           0b11000000  //  7     6
 #define RF69_DIO0_PACK_PACKET_SENT                    0b00000000  //  7     6
 #define RF69_DIO0_PACK_TX_READY                       0b01000000  //  7     6
 #define RF69_DIO1_CONT_PLL_LOCK                       0b00110000  //  5     4
 #define RF69_DIO1_CONT_DCLK                           0b00000000  //  5     4
 #define RF69_DIO1_CONT_RX_READY                       0b00010000  //  5     4
 #define RF69_DIO1_CONT_SYNC_ADDRESS                   0b00110000  //  5     4
 #define RF69_DIO1_CONT_TX_READY                       0b00010000  //  5     4
 #define RF69_DIO1_PACK_FIFO_LEVEL                     0b00000000  //  5     4
 #define RF69_DIO1_PACK_FIFO_FULL                      0b00010000  //  5     4
 #define RF69_DIO1_PACK_FIFO_NOT_EMPTY                 0b00100000  //  5     4
 #define RF69_DIO1_PACK_PLL_LOCK                       0b00110000  //  5     4
 #define RF69_DIO1_PACK_TIMEOUT                        0b00110000  //  5     4
 #define RF69_DIO2_CONT_DATA                           0b00000000  //  3     2

 // RF69_REG_DIO_MAPPING_2
 #define RF69_CLK_OUT_FXOSC                            0b00000000  //  2     0     ClkOut frequency: F(XOSC)
 #define RF69_CLK_OUT_FXOSC_2                          0b00000001  //  2     0                       F(XOSC) / 2
 #define RF69_CLK_OUT_FXOSC_4                          0b00000010  //  2     0                       F(XOSC) / 4
 #define RF69_CLK_OUT_FXOSC_8                          0b00000011  //  2     0                       F(XOSC) / 8
 #define RF69_CLK_OUT_FXOSC_16                         0b00000100  //  2     0                       F(XOSC) / 16
 #define RF69_CLK_OUT_FXOSC_32                         0b00000101  //  2     0                       F(XOSC) / 31
 #define RF69_CLK_OUT_RC                               0b00000110  //  2     0                       RC
 #define RF69_CLK_OUT_OFF                              0b00000111  //  2     0                       disabled (default)

 // RF69_REG_IRQ_FLAGS_1
 #define RF69_IRQ_MODE_READY                           0b10000000  //  7     7     requested mode was set
 #define RF69_IRQ_RX_READY                             0b01000000  //  6     6     Rx mode ready
 #define RF69_IRQ_TX_READY                             0b00100000  //  5     5     Tx mode ready
 #define RF69_IRQ_PLL_LOCK                             0b00010000  //  4     4     PLL is locked
 #define RF69_IRQ_RSSI                                 0b00001000  //  3     3     RSSI value exceeded RssiThreshold
 #define RF69_IRQ_TIMEOUT                              0b00000100  //  2     2     timeout occurred
 #define RF69_IRQ_AUTO_MODE                            0b00000010  //  1     1     entered intermediate mode
 #define RF69_SYNC_ADDRESS_MATCH                       0b00000001  //  0     0     sync address detected

 // RF69_REG_IRQ_FLAGS_2
 #define RF69_IRQ_FIFO_FULL                            0b10000000  //  7     7     FIFO is full
 #define RF69_IRQ_FIFO_NOT_EMPTY                       0b01000000  //  6     6     FIFO contains at least 1 byte
 #define RF69_IRQ_FIFO_LEVEL                           0b00100000  //  5     5     FIFO contains more than FifoThreshold bytes
 #define RF69_IRQ_FIFO_OVERRUN                         0b00010000  //  4     4     FIFO overrun occurred
 #define RF69_IRQ_PACKET_SENT                          0b00001000  //  3     3     packet was sent
 #define RF69_IRQ_PAYLOAD_READY                        0b00000100  //  2     2     last payload byte received and CRC check passed
 #define RF69_IRQ_CRC_OK                               0b00000010  //  1     1     CRC check passed

 // RF69_REG_RSSI_THRESH
 #define RF69_RSSI_THRESHOLD                           0xE4        //  7     0     RSSI threshold level (2 dB by default)

 // RF69_REG_RX_TIMEOUT_1
 #define RF69_TIMEOUT_RX_START_OFF                     0x00        //  7     0     RSSI interrupt timeout disabled (default)
 #define RF69_TIMEOUT_RX_START                         0xFF        //  7     0     timeout will occur if RSSI interrupt is not received

 // RF69_REG_RX_TIMEOUT_2
 #define RF69_TIMEOUT_RSSI_THRESH_OFF                  0x00        //  7     0     PayloadReady interrupt timeout disabled (default)
 #define RF69_TIMEOUT_RSSI_THRESH                      0xFF        //  7     0     timeout will occur if PayloadReady interrupt is not received

 // RF69_REG_PREAMBLE_MSB + REG_PREAMBLE_MSB
 #define RF69_PREAMBLE_MSB                             0x00        //  7     0     2-byte preamble size value
 #define RF69_PREAMBLE_LSB                             0x03        //  7     0

 // RF69_REG_SYNC_CONFIG
 #define RF69_SYNC_OFF                                 0b00000000  //  7     7     sync word detection off
 #define RF69_SYNC_ON                                  0b10000000  //  7     7     sync word detection on (default)
 #define RF69_FIFO_FILL_CONDITION_SYNC                 0b00000000  //  6     6     FIFO fill condition: on SyncAddress interrupt (default)
 #define RF69_FIFO_FILL_CONDITION                      0b01000000  //  6     6                          as long as the bit is set
 #define RF69_SYNC_SIZE                                0b00001000  //  5     3     size of sync word: SyncSize + 1 bytes
 #define RF69_SYNC_TOL                                 0b00000000  //  2     0     number of tolerated errors in sync word

 // RF69_REG_SYNC_VALUE_1 - SYNC_VALUE_8
 #define RF69_SYNC_BYTE_1                              0x01        //  7     0     sync word: 1st byte (MSB)
 #define RF69_SYNC_BYTE_2                              0x01        //  7     0                2nd byte
 #define RF69_SYNC_BYTE_3                              0x01        //  7     0                3rd byte
 #define RF69_SYNC_BYTE_4                              0x01        //  7     0                4th byte
 #define RF69_SYNC_BYTE_5                              0x01        //  7     0                5th byte
 #define RF69_SYNC_BYTE_6                              0x01        //  7     0                6th byte
 #define RF69_SYNC_BYTE_7                              0x01        //  7     0                7th byte
 #define RF69_SYNC_BYTE_8                              0x01        //  7     0                8th byte (LSB)

 // RF69_REG_PACKET_CONFIG_1
 #define RF69_PACKET_FORMAT_FIXED                      0b00000000  //  7     7     fixed packet length (default)
 #define RF69_PACKET_FORMAT_VARIABLE                   0b10000000  //  7     7     variable packet length
 #define RF69_DC_FREE_NONE                             0b00000000  //  6     5     DC-free encoding: none (default)
 #define RF69_DC_FREE_MANCHESTER                       0b00100000  //  6     5                       Manchester
 #define RF69_DC_FREE_WHITENING                        0b01000000  //  6     5                       Whitening
 #define RF69_CRC_OFF                                  0b00000000  //  4     4     CRC disabled
 #define RF69_CRC_ON                                   0b00010000  //  4     4     CRC enabled (default)
 #define RF69_CRC_AUTOCLEAR_ON                         0b00000000  //  3     3     discard packet when CRC check fails (default)
 #define RF69_CRC_AUTOCLEAR_OFF                        0b00001000  //  3     3     keep packet when CRC check fails
 #define RF69_ADDRESS_FILTERING_OFF                    0b00000000  //  2     1     address filtering: none (default)
 #define RF69_ADDRESS_FILTERING_NODE                   0b00000010  //  2     1                        node
 #define RF69_ADDRESS_FILTERING_NODE_BROADCAST         0b00000100  //  2     1                        node or broadcast

 // RF69_REG_PAYLOAD_LENGTH
 #define RF69_PAYLOAD_LENGTH                           0xFF        //  7     0     payload length

 // RF69_REG_AUTO_MODES
 #define RF69_ENTER_COND_NONE                          0b00000000  //  7     5     condition for entering intermediate mode: none, AutoModes disabled (default)
 #define RF69_ENTER_COND_FIFO_NOT_EMPTY                0b00100000  //  7     5                                               FifoNotEmpty rising edge
 #define RF69_ENTER_COND_FIFO_LEVEL                    0b01000000  //  7     5                                               FifoLevel rising edge
 #define RF69_ENTER_COND_CRC_OK                        0b01100000  //  7     5                                               CrcOk rising edge
 #define RF69_ENTER_COND_PAYLOAD_READY                 0b10000000  //  7     5                                               PayloadReady rising edge
 #define RF69_ENTER_COND_SYNC_ADDRESS                  0b10100000  //  7     5                                               SyncAddress rising edge
 #define RF69_ENTER_COND_PACKET_SENT                   0b11000000  //  7     5                                               PacketSent rising edge
 #define RF69_ENTER_COND_FIFO_EMPTY                    0b11100000  //  7     5                                               FifoNotEmpty falling edge
 #define RF69_EXIT_COND_NONE                           0b00000000  //  4     2     condition for exiting intermediate mode: none, AutoModes disabled (default)
 #define RF69_EXIT_COND_FIFO_EMPTY                     0b00100000  //  4     2                                              FifoNotEmpty falling edge
 #define RF69_EXIT_COND_FIFO_LEVEL                     0b01000000  //  4     2                                              FifoLevel rising edge
 #define RF69_EXIT_COND_CRC_OK                         0b01100000  //  4     2                                              CrcOk rising edge
 #define RF69_EXIT_COND_PAYLOAD_READY                  0b10000000  //  4     2                                              PayloadReady rising edge
 #define RF69_EXIT_COND_SYNC_ADDRESS                   0b10100000  //  4     2                                              SyncAddress rising edge
 #define RF69_EXIT_COND_PACKET_SENT                    0b11000000  //  4     2                                              PacketSent rising edge
 #define RF69_EXIT_COND_TIMEOUT                        0b11100000  //  4     2                                              timeout rising edge
 #define RF69_INTER_MODE_SLEEP                         0b00000000  //  1     0     intermediate mode: sleep (default)
 #define RF69_INTER_MODE_STANDBY                       0b00000001  //  1     0                        standby
 #define RF69_INTER_MODE_RX                            0b00000010  //  1     0                        Rx
 #define RF69_INTER_MODE_TX                            0b00000011  //  1     0                        Tx

 // RF69_REG_FIFO_THRESH
 #define RF69_TX_START_CONDITION_FIFO_LEVEL            0b00000000  //  7     7     packet transmission start condition: FifoLevel
 #define RF69_TX_START_CONDITION_FIFO_NOT_EMPTY        0b10000000  //  7     7                                          FifoNotEmpty (default)
 #define RF69_FIFO_THRESHOLD                           0b00001111  //  6     0     default threshold to trigger FifoLevel interrupt

 // RF69_REG_PACKET_CONFIG_2
 #define RF69_INTER_PACKET_RX_DELAY                    0b00000000  //  7     4     delay between FIFO empty and start of new RSSI phase
 #define RF69_RESTART_RX                               0b00000100  //  2     2     force receiver into wait mode
 #define RF69_AUTO_RX_RESTART_OFF                      0b00000000  //  1     1     auto Rx restart disabled
 #define RF69_AUTO_RX_RESTART_ON                       0b00000010  //  1     1     auto Rx restart enabled (default)
 #define RF69_AES_OFF                                  0b00000000  //  0     0     AES encryption disabled (default)
 #define RF69_AES_ON                                   0b00000001  //  0     0     AES encryption enabled, payload size limited to 66 bytes

 // RF69_REG_TEMP_1
 #define RF69_TEMP_MEAS_START                          0b00001000  //  3     3     trigger temperature measurement
 #define RF69_TEMP_MEAS_RUNNING                        0b00000100  //  2     2     temperature measurement status: on-going
 #define RF69_TEMP_MEAS_DONE                           0b00000000  //  2     2                                     done

 // RF69_REG_TEST_DAGC
 #define RF69_CONTINUOUS_DAGC_NORMAL                   0x00        //  7     0     fading margin improvement:  normal mode
 #define RF69_CONTINUOUS_DAGC_LOW_BETA_ON              0x20        //  7     0                                 improved mode for AfcLowBetaOn
 #define RF69_CONTINUOUS_DAGC_LOW_BETA_OFF             0x30        //  7     0                                 improved mode for AfcLowBetaOff (default)

 // RF69_REG_TEST_PA1
 #define RF69_PA1_NORMAL                               0x55        //  7     0     PA_BOOST: none
 #define RF69_PA1_20_DBM                               0x5D        //  7     0               +20 dBm

 // RF69_REG_TEST_PA2
 #define RF69_PA2_NORMAL                               0x70        //  7     0     PA_BOOST: none
 #define RF69_PA2_20_DBM                               0x7C        //  7     0               +20 dBm

 class RF69: public PhysicalLayer {
   public:
     // introduce PhysicalLayer overloads
     using PhysicalLayer::transmit;
     using PhysicalLayer::receive;
     using PhysicalLayer::startTransmit;
     using PhysicalLayer::readData;

     RF69(Module* module);

     // basic methods

     int16_t begin(float freq = 434.0, float br = 48.0, float freqDev = 50.0, float rxBw = 125.0, int8_t power = 10, uint8_t preambleLen = 16);

     void reset();

     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 sleep();

     int16_t standby() override;

     int16_t transmitDirect(uint32_t frf = 0) override;

     int16_t receiveDirect() override;

     int16_t packetMode();

     // hardware AES support

     void setAESKey(uint8_t* key);

     int16_t enableAES();

     int16_t disableAES();

     // interrupt methods

     void setDio0Action(void (*func)(void));

     void clearDio0Action();

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

     void clearDio1Action();

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

     int16_t startReceive();

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

     // configuration methods

     int16_t setFrequency(float freq);

     int16_t setBitRate(float br);

     int16_t setRxBandwidth(float rxBw);

     int16_t setFrequencyDeviation(float freqDev) override;

     int16_t setOutputPower(int8_t power, bool highPower = false);

     int16_t setSyncWord(uint8_t* syncWord, size_t len, uint8_t maxErrBits = 0);

     int16_t setPreambleLength(uint8_t preambleLen);

     int16_t setNodeAddress(uint8_t nodeAddr);

     int16_t setBroadcastAddress(uint8_t broadAddr);

     int16_t disableAddressFiltering();

     // measurement methods

     void setAmbientTemperature(int16_t tempAmbient);

     int16_t getTemperature();

     size_t getPacketLength(bool update = true) override;

     int16_t fixedPacketLengthMode(uint8_t len = RF69_MAX_PACKET_LENGTH);

     int16_t variablePacketLengthMode(uint8_t maxLen = RF69_MAX_PACKET_LENGTH);

     int16_t enableSyncWordFiltering(uint8_t maxErrBits = 0);

     int16_t disableSyncWordFiltering();

     int16_t setCrcFiltering(bool crcOn = true);

     int16_t setPromiscuousMode(bool promiscuous = true);

     int16_t setDataShaping(uint8_t sh) override;

     int16_t setEncoding(uint8_t encoding) override;

     float getRSSI();

     void setRfSwitchPins(RADIOLIB_PIN_TYPE rxEn, RADIOLIB_PIN_TYPE txEn);

     uint8_t random();

     int16_t getChipVersion();

 #ifndef RADIOLIB_GODMODE
   protected:
 #endif
     Module* _mod;

     float _br = 0;
     float _rxBw = 0;
     int16_t _tempOffset = 0;
     int8_t _power = 0;

     size_t _packetLength = 0;
     bool _packetLengthQueried = false;
     uint8_t _packetLengthConfig = RF69_PACKET_FORMAT_VARIABLE;

     bool _promiscuous = false;

     uint8_t _syncWordLength = 2;

     int16_t config();
     int16_t directMode();
     int16_t setPacketMode(uint8_t mode, uint8_t len);

 #ifndef RADIOLIB_GODMODE
   private:
 #endif
     int16_t setMode(uint8_t mode);
     void clearIRQFlags();
 };

 #endif

 #endif
RF69::setFrequencyDeviation
int16_t setFrequencyDeviation(float freqDev) override
Sets frequency deviation.
Definition: RF69.cpp:507

RF69::disableAddressFiltering
int16_t disableAddressFiltering()
Disables address filtering. Calling this method will also erase previously set addresses.
Definition: RF69.cpp:621

RF69::setSyncWord
int16_t setSyncWord(uint8_t *syncWord, size_t len, uint8_t maxErrBits=0)
Sets sync word. Up to 8 bytes can be set as sync word.
Definition: RF69.cpp:569

RF69::setPromiscuousMode
int16_t setPromiscuousMode(bool promiscuous=true)
Set modem in "sniff" mode: no packet filtering (e.g., no preamble, sync word, address, CRC).
Definition: RF69.cpp:701

RF69::standby
int16_t standby() override
Sets the module to standby mode.
Definition: RF69.cpp:171

RF69::disableSyncWordFiltering
int16_t disableSyncWordFiltering()
Disable preamble and sync word filtering and generation.
Definition: RF69.cpp:681

RF69::getPacketLength
size_t getPacketLength(bool update=true) override
Query modem for the packet length of received payload.
Definition: RF69.cpp:655

PhysicalLayer::startTransmit
int16_t startTransmit(String &str, uint8_t addr=0)
Interrupt-driven Arduino String transmit method. Unlike the standard transmit method, this one is non-blocking. Interrupt pin will be activated when transmission finishes.
Definition: PhysicalLayer.cpp:49

RF69::startReceive
int16_t startReceive()
Interrupt-driven receive method. GDO0 will be activated when full packet is received.
Definition: RF69.cpp:241

RF69::setNodeAddress
int16_t setNodeAddress(uint8_t nodeAddr)
Sets node address. Calling this method will also enable address filtering for node address only...
Definition: RF69.cpp:603

RF69::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: RF69.cpp:769

RF69::setBitRate
int16_t setBitRate(float br)
Sets bit rate. Allowed values range from 1.2 to 300.0 kbps.
Definition: RF69.cpp:391

RF69::receive
int16_t receive(uint8_t *data, size_t len) override
Blocking binary receive method. Overloads for string-based transmissions are implemented in PhysicalL...
Definition: RF69.cpp:139

RF69::clearDio0Action
void clearDio0Action()
Clears interrupt service routine to call when DIO0 activates.
Definition: RF69.cpp:273

RF69::setAmbientTemperature
void setAmbientTemperature(int16_t tempAmbient)
Sets ambient temperature. Required to correct values from on-board temperature sensor.
Definition: RF69.cpp:634

RF69::transmitDirect
int16_t transmitDirect(uint32_t frf=0) override
Starts direct mode transmission.
Definition: RF69.cpp:179

RF69::setPreambleLength
int16_t setPreambleLength(uint8_t preambleLen)
Sets preamble length.
Definition: RF69.cpp:592

RF69::sleep
int16_t sleep()
Sets the module to sleep mode.
Definition: RF69.cpp:163

RF69::disableAES
int16_t disableAES()
Disables AES encryption.
Definition: RF69.cpp:237

RF69::variablePacketLengthMode
int16_t variablePacketLengthMode(uint8_t maxLen=RF69_MAX_PACKET_LENGTH)
Set modem in variable packet length mode.
Definition: RF69.cpp:672

RF69
Control class for RF69 module. Also serves as base class for SX1231.
Definition: RF69.h:435

RF69::transmit
int16_t transmit(uint8_t *data, size_t len, uint8_t addr=0) override
Blocking binary transmit method. Overloads for string-based transmissions are implemented in Physical...
Definition: RF69.cpp:110

RF69::clearDio1Action
void clearDio1Action()
Clears interrupt service routine to call when DIO1 activates.
Definition: RF69.cpp:285

RF69::setDataShaping
int16_t setDataShaping(uint8_t sh) override
Sets Gaussian filter bandwidth-time product that will be used for data shaping. Allowed values are RA...
Definition: RF69.cpp:727

RF69::setCrcFiltering
int16_t setCrcFiltering(bool crcOn=true)
Enable CRC filtering and generation.
Definition: RF69.cpp:693

RF69::begin
int16_t begin(float freq=434.0, float br=48.0, float freqDev=50.0, float rxBw=125.0, int8_t power=10, uint8_t preambleLen=16)
Initialization method.
Definition: RF69.cpp:8

RF69::setDio0Action
void setDio0Action(void(*func)(void))
Sets interrupt service routine to call when DIO0 activates.
Definition: RF69.cpp:269

Module
Implements all common low-level SPI/UART/I2C methods to control the wireless module. Every module class contains one private instance of this class.
Definition: Module.h:17

PhysicalLayer::transmit
int16_t transmit(__FlashStringHelper *fstr, uint8_t addr=0)
Arduino Flash String transmit method.
Definition: PhysicalLayer.cpp:8

RF69::setEncoding
int16_t setEncoding(uint8_t encoding) override
Sets transmission encoding. Allowed values are RADIOLIB_ENCODING_NRZ, RADIOLIB_ENCODING_MANCHESTER an...
Definition: RF69.cpp:747

RF69::setBroadcastAddress
int16_t setBroadcastAddress(uint8_t broadAddr)
Sets broadcast address. Calling this method will also enable address filtering for node and broadcast...
Definition: RF69.cpp:612

RF69::setDio1Action
void setDio1Action(void(*func)(void))
Sets interrupt service routine to call when DIO1 activates.
Definition: RF69.cpp:277

PhysicalLayer::receive
int16_t receive(String &str, size_t len=0)
Arduino String receive method.
Definition: PhysicalLayer.cpp:98

RF69::readData
int16_t readData(uint8_t *data, size_t len) override
Reads data received after calling startReceive method.
Definition: RF69.cpp:343

RF69::getRSSI
float getRSSI()
Gets RSSI (Recorded Signal Strength Indicator) of the last received packet.
Definition: RF69.cpp:765

RF69::enableAES
int16_t enableAES()
Enables AES encryption.
Definition: RF69.cpp:233

RF69::setFrequency
int16_t setFrequency(float freq)
Sets carrier frequency. Allowed values are in bands 290.0 to 340.0 MHz, 431.0 to 510.0 MHz and 862.0 to 1020.0 MHz.
Definition: RF69.cpp:372

PhysicalLayer
Provides common interface for protocols that run on LoRa/FSK modules, such as RTTY or LoRaWAN...
Definition: PhysicalLayer.h:13

RF69::fixedPacketLengthMode
int16_t fixedPacketLengthMode(uint8_t len=RF69_MAX_PACKET_LENGTH)
Set modem in fixed packet length mode.
Definition: RF69.cpp:668

RF69::setAESKey
void setAESKey(uint8_t *key)
Sets AES key.
Definition: RF69.cpp:229

RF69::setRxBandwidth
int16_t setRxBandwidth(float rxBw)
Sets receiver bandwidth. Allowed values are 2.6, 3.1, 3.9, 5.2, 6.3, 7.8, 10.4, 12.5, 15.6, 20.8, 25.0, 31.3, 41.7, 50.0, 62.5, 83.3, 100.0, 125.0, 166.7, 200.0, 250.0, 333.3, 400.0 and 500.0 kHz.
Definition: RF69.cpp:412

RF69::reset
void reset()
Reset method. Will reset the chip to the default state using RST pin.
Definition: RF69.cpp:102

RF69::random
uint8_t random()
Get one truly random byte from RSSI noise.
Definition: RF69.cpp:773

RF69::setOutputPower
int16_t setOutputPower(int8_t power, bool highPower=false)
Sets output power. Allowed values range from -18 to 13 dBm for low power modules (RF69C/CW) or -2 to ...
Definition: RF69.cpp:531

RF69::packetMode
int16_t packetMode()
Stops direct mode. It is required to call this method to switch from direct transmissions to packet-b...
Definition: RF69.cpp:225

RF69::RF69
RF69(Module *module)
Default constructor.
Definition: RF69.cpp:4

RF69::receiveDirect
int16_t receiveDirect() override
Starts direct mode reception.
Definition: RF69.cpp:200

PhysicalLayer::readData
int16_t readData(String &str, size_t len=0)
Reads data that was received after calling startReceive method.
Definition: PhysicalLayer.cpp:57

RF69::getChipVersion
int16_t getChipVersion()
Read version SPI register. Should return RF69_CHIP_VERSION (0x24) if SX127x is connected and working...
Definition: RF69.cpp:792

RF69::enableSyncWordFiltering
int16_t enableSyncWordFiltering(uint8_t maxErrBits=0)
Enable sync word filtering and generation.
Definition: RF69.cpp:676

RF69::startTransmit
int16_t startTransmit(uint8_t *data, size_t len, uint8_t addr=0) override
Interrupt-driven binary transmit method. Overloads for string-based transmissions are implemented in ...
Definition: RF69.cpp:292

RF69::getTemperature
int16_t getTemperature()
Measures temperature.
Definition: RF69.cpp:638