/*
  ______                              _
 / _____)             _              | |
( (____  _____ ____ _| |_ _____  ____| |__
 \____ \| ___ |    (_   _) ___ |/ ___)  _ \
 _____) ) ____| | | || |_| ____( (___| | | |
(______/|_____)_|_|_| \__)_____)\____)_| |_|
    (C)2016 Semtech

Description: Driver for SX1281 devices

License: Revised BSD License, see LICENSE.TXT file include in the project

Maintainer: Miguel Luis, Gregory Cristian and Matthieu Verdy
*/
#ifndef __SX1281_DRIVER_H__
#define __SX1281_DRIVER_H__

#include <stdint.h>
#include <stdbool.h>
#include <math.h>


/*!
 * \brief Enables/disables driver debug features
 */
#define SX1281_DEBUG                                0

/*!
 * \brief Hardware IO IRQ callback function definition
 */
typedef void ( DioIrqHandler )( void );

/*!
 * \brief Provides the frequency of the chip running on the radio and the frequency step
 *
 * \remark These defines are used for computing the frequency divider to set the RF frequency
 */
#define XTAL_FREQ                                   52000000
#define FREQ_STEP                                   ( ( double )( XTAL_FREQ / pow( 2.0, 18.0 ) ) )

/*!
 * \brief Compensation delay for SetAutoTx/Rx functions in microseconds
 */
#define AUTO_RX_TX_OFFSET                           33

/*!
 * \brief The address of the register holding the firmware version MSB
 */
#define REG_LR_FIRMWARE_VERSION_MSB                 0x0153

/*!
 * \brief The address of the register holding the first byte defining the CRC seed
 *
 * \remark Only used for packet types GFSK and Flrc
 */
#define REG_LR_CRCSEEDBASEADDR                      0x09C8

/*!
 * \brief The address of the register holding the first byte defining the CRC polynomial
 *
 * \remark Only used for packet types GFSK and Flrc
 */
#define REG_LR_CRCPOLYBASEADDR                      0x09C6

/*!
 * \brief The address of the register holding the first byte defining the whitening seed
 *
 * \remark Only used for packet types GFSK, FLRC and BLE
 */
#define REG_LR_WHITSEEDBASEADDR                     0x09C5

/*!
 * \brief The address of the register holding LORA packet parameters
 */
#define REG_LR_PACKETPARAMS                         0x903

/*!
 * \brief The address of the register holding payload length
 *
 * \remark Do NOT try to read it directly. Use GetRxBuffer( ) instead.
 */
#define REG_LR_PAYLOADLENGTH                        0x901

/*!
 * \brief The address of the instruction RAM and its size
 */
#define IRAM_START_ADDRESS                          0x8000
#define IRAM_SIZE                                   0x4000

/*!
 * \brief The addresses of the registers holding SyncWords values
 *
 * \remark The addresses depends on the Packet Type in use, and not all
 *         SyncWords are available for every Packet Type
 */
#define REG_LR_SYNCWORDBASEADDRESS1                 0x09CE
#define REG_LR_SYNCWORDBASEADDRESS2                 0x09D3
#define REG_LR_SYNCWORDBASEADDRESS3                 0x09D8

/*!
 * \brief The MSB address and mask used to read the estimated frequency
 * error
 */
#define REG_LR_ESTIMATED_FREQUENCY_ERROR_MSB        0x0954
#define REG_LR_ESTIMATED_FREQUENCY_ERROR_MASK       0x0FFFFF

/*!
 * \brief Defines how many bit errors are tolerated in sync word detection
 */
#define REG_LR_SYNCWORDTOLERANCE                    0x09CD

/*!
 * \brief Register for MSB Access Address (BLE)
 */
#define REG_LR_BLE_ACCESS_ADDRESS                   0x09CF
#define BLE_ADVERTIZER_ACCESS_ADDRESS               0x8E89BED6

/*!
 * \brief Structure describing the radio status
 */
typedef union
{
    /*!
     * \brief Structure of the radio status
     */
    struct
    {
        uint8_t CpuBusy   : 1;  //!< Flag for CPU radio busy
        uint8_t DmaBusy   : 1;  //!< Flag for DMA busy
        uint8_t CmdStatus : 3;  //!< Command status
        uint8_t ChipMode  : 3;  //!< Chip mode
    }Fields;

    /*!
     * \brief Serialized radio status
     */
    uint8_t Value;
}RadioStatus_t;

/*!
 * \brief Represents the states of the radio
 */
typedef enum
{
    RF_IDLE                                 = 0x00,         //!< The radio is idle
    RF_RX_RUNNING,                                          //!< The radio is in reception state
    RF_TX_RUNNING,                                          //!< The radio is in transmission state
    RF_CAD,                                                 //!< The radio is doing channel activity detection
}RadioStates_t;

/*!
 * \brief Represents the operating mode the radio is actually running
 */
typedef enum
{
    MODE_SLEEP                              = 0x00,         //! The radio is in sleep mode
    MODE_STDBY_RC,                                          //! The radio is in standby mode with RC oscillator
    MODE_STDBY_XOSC,                                        //! The radio is in standby mode with XOSC oscillator
    MODE_FS,                                                //! The radio is in frequency synthesis mode
    MODE_TX,                                                //! The radio is in transmit mode
    MODE_RX,                                                //! The radio is in receive mode
    MODE_CAD                                                //! The radio is in channel activity detection mode
}RadioOperatingModes_t;

/*!
 * \brief Declares the oscillator in use while in standby mode
 *
 * Using the STDBY_RC standby mode allow to reduce the energy consumption
 * STDBY_XOSC should be used for time critical applications
 */
typedef enum
{
    STDBY_RC                                = 0x00,
    STDBY_XOSC                              = 0x01,
}RadioStandbyModes_t;

/*!
 * \brief Declares the power regulation used to power the device
 *
 * This command allows the user to specify if DC-DC or LDO is used for power regulation.
 * Using only LDO implies that the Rx or Tx current is doubled
 */
typedef enum
{
    USE_LDO                               = 0x00,           //! Use LDO (default value)
    USE_DCDC                              = 0x01,           //! Use DCDC
}RadioRegulatorModes_t;

/*!
 * \brief Represents the possible packet type (i.e. modem) used
 */
typedef enum
{
    PACKET_TYPE_GFSK                        = 0x00,
    PACKET_TYPE_LORA,
    PACKET_TYPE_RANGING,
    PACKET_TYPE_FLRC,
    PACKET_TYPE_BLE,
    PACKET_TYPE_NONE                        = 0x0F,
}RadioPacketTypes_t;

/*!
 * \brief Represents the ramping time for power amplifier
 */
typedef enum
{
    RADIO_RAMP_02_US                        = 0x00,
    RADIO_RAMP_04_US                        = 0x20,
    RADIO_RAMP_06_US                        = 0x40,
    RADIO_RAMP_08_US                        = 0x60,
    RADIO_RAMP_10_US                        = 0x80,
    RADIO_RAMP_12_US                        = 0xA0,
    RADIO_RAMP_16_US                        = 0xC0,
    RADIO_RAMP_20_US                        = 0xE0,
}RadioRampTimes_t;

/*!
 * \brief Represents the number of symbols to be used for channel activity detection operation
 */
typedef enum
{
    LORA_CAD_01_SYMBOL                      = 0x00,
    LORA_CAD_02_SYMBOL                      = 0x20,
    LORA_CAD_04_SYMBOL                      = 0x40,
    LORA_CAD_08_SYMBOL                      = 0x60,
    LORA_CAD_16_SYMBOL                      = 0x80,
}RadioLoRaCadSymbols_t;

/*!
 * \brief Represents the possible combinations of bitrate and bandwidth for
 *        GFSK and BLE packet types
 *
 * The bitrate is expressed in Mb/s and the bandwidth in MHz
 */
typedef enum
{
    GFS_BLE_BR_2_000_BW_2_4                 = 0x04,
    GFS_BLE_BR_1_600_BW_2_4                 = 0x28,
    GFS_BLE_BR_1_000_BW_2_4                 = 0x4C,
    GFS_BLE_BR_1_000_BW_1_2                 = 0x45,
    GFS_BLE_BR_0_800_BW_2_4                 = 0x70,
    GFS_BLE_BR_0_800_BW_1_2                 = 0x69,
    GFS_BLE_BR_0_500_BW_1_2                 = 0x8D,
    GFS_BLE_BR_0_500_BW_0_6                 = 0x86,
    GFS_BLE_BR_0_400_BW_1_2                 = 0xB1,
    GFS_BLE_BR_0_400_BW_0_6                 = 0xAA,
    GFS_BLE_BR_0_250_BW_0_6                 = 0xCE,
    GFS_BLE_BR_0_250_BW_0_3                 = 0xC7,
    GFS_BLE_BR_0_125_BW_0_3                 = 0xEF,
}RadioGfskBleBitrates_t;

/*!
 * \brief Represents the modulation index used in GFSK and BLE packet
 *        types
 */
typedef enum
{
    GFS_BLE_MOD_IND_0_35                    =  0,
    GFS_BLE_MOD_IND_0_50                    =  1,
    GFS_BLE_MOD_IND_0_75                    =  2,
    GFS_BLE_MOD_IND_1_00                    =  3,
    GFS_BLE_MOD_IND_1_25                    =  4,
    GFS_BLE_MOD_IND_1_50                    =  5,
    GFS_BLE_MOD_IND_1_75                    =  6,
    GFS_BLE_MOD_IND_2_00                    =  7,
    GFS_BLE_MOD_IND_2_25                    =  8,
    GFS_BLE_MOD_IND_2_50                    =  9,
    GFS_BLE_MOD_IND_2_75                    = 10,
    GFS_BLE_MOD_IND_3_00                    = 11,
    GFS_BLE_MOD_IND_3_25                    = 12,
    GFS_BLE_MOD_IND_3_50                    = 13,
    GFS_BLE_MOD_IND_3_75                    = 14,
    GFS_BLE_MOD_IND_4_00                    = 15,
}RadioGfskBleModIndexes_t;

/*!
 * \brief Represents the possible combination of bitrate and bandwidth for FLRC
 *        packet type
 *
 * The bitrate is in Mb/s and the bitrate in MHz
 */
typedef enum
{
    FLRC_BR_2_600_BW_2_4                    = 0x04,
    FLRC_BR_2_080_BW_2_4                    = 0x28,
    FLRC_BR_1_300_BW_1_2                    = 0x45,
    FLRC_BR_1_040_BW_1_2                    = 0x69,
    FLRC_BR_0_650_BW_0_6                    = 0x86,
    FLRC_BR_0_520_BW_0_6                    = 0xAA,
    FLRC_BR_0_325_BW_0_3                    = 0xC7,
    FLRC_BR_0_260_BW_0_3                    = 0xEB,
}RadioFlrcBitrates_t;

/*!
 * \brief Represents the possible values for coding rate parameter in FLRC
 *        packet type
 */
typedef enum
{
    FLRC_CR_1_2                             = 0x00,
    FLRC_CR_3_4                             = 0x02,
    FLRC_CR_1_0                             = 0x04,
}RadioFlrcCodingRates_t;

/*!
 * \brief Represents the modulation shaping parameter for GFSK, FLRC and BLE
 *        packet types
 */
typedef enum
{
    RADIO_MOD_SHAPING_BT_OFF                = 0x00,         //! No filtering
    RADIO_MOD_SHAPING_BT_1_0                = 0x10,
    RADIO_MOD_SHAPING_BT_0_5                = 0x20,
}RadioModShapings_t;

/*!
 * \brief Represents the possible spreading factor values in LORA packet types
 */
typedef enum
{
    LORA_SF5                                = 0x50,
    LORA_SF6                                = 0x60,
    LORA_SF7                                = 0x70,
    LORA_SF8                                = 0x80,
    LORA_SF9                                = 0x90,
    LORA_SF10                               = 0xA0,
    LORA_SF11                               = 0xB0,
    LORA_SF12                               = 0xC0,
}RadioLoRaSpreadingFactors_t;

/*!
 * \brief Represents the bandwidth values for LORA packet type
 */
typedef enum
{
    LORA_BW_0200                            = 0x34,
    LORA_BW_0400                            = 0x26,
    LORA_BW_0800                            = 0x18,
    LORA_BW_1600                            = 0x0A,
}RadioLoRaBandwidths_t;

/*!
 * \brief Represents the coding rate values for LORA packet type
 */
typedef enum
{
    LORA_CR_4_5                             = 0x01,
    LORA_CR_4_6                             = 0x02,
    LORA_CR_4_7                             = 0x03,
    LORA_CR_4_8                             = 0x04,
    LORA_CR_LI_4_5                          = 0x05,
    LORA_CR_LI_4_6                          = 0x06,
    LORA_CR_LI_4_7                          = 0x07,
}RadioLoRaCodingRates_t;

/*!
 * \brief Represents the preamble length values for GFSK and FLRC packet
 *        types
 */
typedef enum
{
    PREAMBLE_LENGTH_04_BITS                 = 0x00,         //!< Preamble length: 04 bits
    PREAMBLE_LENGTH_08_BITS                 = 0x10,         //!< Preamble length: 08 bits
    PREAMBLE_LENGTH_12_BITS                 = 0x20,         //!< Preamble length: 12 bits
    PREAMBLE_LENGTH_16_BITS                 = 0x30,         //!< Preamble length: 16 bits
    PREAMBLE_LENGTH_20_BITS                 = 0x40,         //!< Preamble length: 20 bits
    PREAMBLE_LENGTH_24_BITS                 = 0x50,         //!< Preamble length: 24 bits
    PREAMBLE_LENGTH_28_BITS                 = 0x60,         //!< Preamble length: 28 bits
    PREAMBLE_LENGTH_32_BITS                 = 0x70,         //!< Preamble length: 32 bits
}RadioPreambleLengths_t;

/*!
 * \brief Represents the SyncWord length for FLRC packet type
 */
typedef enum
{
    FLRC_NO_SYNCWORD                       = 0x00,
    FLRC_SYNCWORD_LENGTH_4_BYTE            = 0x04,
}RadioFlrcSyncWordLengths_t;

/*!
 * \brief The length of sync words for GFSK packet type
 */
typedef enum
{
    GFS_SYNCWORD_LENGTH_1_BYTE              = 0x00,         //!< Sync word length: 1 byte
    GFS_SYNCWORD_LENGTH_2_BYTE              = 0x02,         //!< Sync word length: 2 bytes
    GFS_SYNCWORD_LENGTH_3_BYTE              = 0x04,         //!< Sync word length: 3 bytes
    GFS_SYNCWORD_LENGTH_4_BYTE              = 0x06,         //!< Sync word length: 4 bytes
    GFS_SYNCWORD_LENGTH_5_BYTE              = 0x08,         //!< Sync word length: 5 bytes
}RadioSyncWordLengths_t;

/*!
 * \brief Represents the possible combinations of SyncWord correlators
 *        activated for GFSK and FLRC packet types
 */
typedef enum
{
    RADIO_RX_MATCH_SYNCWORD_OFF             = 0x00,         //!< No correlator turned on, i.e. do not search for SyncWord
    RADIO_RX_MATCH_SYNCWORD_1               = 0x10,
    RADIO_RX_MATCH_SYNCWORD_2               = 0x20,
    RADIO_RX_MATCH_SYNCWORD_1_2             = 0x30,
    RADIO_RX_MATCH_SYNCWORD_3               = 0x40,
    RADIO_RX_MATCH_SYNCWORD_1_3             = 0x50,
    RADIO_RX_MATCH_SYNCWORD_2_3             = 0x60,
    RADIO_RX_MATCH_SYNCWORD_1_2_3           = 0x70,
}RadioSyncWordRxMatchs_t;

/*!
 *  \brief Radio packet length mode for GFSK and FLRC packet types
 */
typedef enum
{
    RADIO_PACKET_FIXED_LENGTH               = 0x00,         //!< The packet is known on both sides, no header included in the packet
    RADIO_PACKET_VARIABLE_LENGTH            = 0x20,         //!< The packet is on variable size, header included
}RadioPacketLengthModes_t;

/*!
 * \brief Represents the CRC length for GFSK and FLRC packet types
 *
 * \warning Not all configurations are available for both GFSK and FLRC
 *          packet type. Refer to the datasheet for possible configuration.
 */
typedef enum
{
    RADIO_CRC_OFF                           = 0x00,         //!< No CRC in use
    RADIO_CRC_1_BYTES                       = 0x10,
    RADIO_CRC_2_BYTES                       = 0x20,
    RADIO_CRC_3_BYTES                       = 0x30,
}RadioCrcTypes_t;

/*!
 * \brief Radio whitening mode activated or deactivated for GFSK, FLRC and
 *        BLE packet types
 */
typedef enum
{
    RADIO_WHITENING_ON                      = 0x00,
    RADIO_WHITENING_OFF                     = 0x08,
}RadioWhiteningModes_t;

/*!
 * \brief Holds the packet length mode of a LORA packet type
 */
typedef enum
{
    LORA_PACKET_VARIABLE_LENGTH             = 0x00,         //!< The packet is on variable size, header included
    LORA_PACKET_FIXED_LENGTH                = 0x80,         //!< The packet is known on both sides, no header included in the packet
    LORA_PACKET_EXPLICIT                    = LORA_PACKET_VARIABLE_LENGTH,
    LORA_PACKET_IMPLICIT                    = LORA_PACKET_FIXED_LENGTH,
}RadioLoRaPacketLengthsModes_t;

/*!
 * \brief Represents the CRC mode for LORA packet type
 */
typedef enum
{
    LORA_CRC_ON                             = 0x20,         //!< CRC activated
    LORA_CRC_OFF                            = 0x00,         //!< CRC not used
}RadioLoRaCrcModes_t;

/*!
 * \brief Represents the IQ mode for LORA packet type
 */
typedef enum
{
    LORA_IQ_NORMAL                          = 0x40,
    LORA_IQ_INVERTED                        = 0x00,
}RadioLoRaIQModes_t;

/*!
 * \brief Represents the connection state for BLE packet type
 */
typedef enum
{
    BLE_MASTER_SLAVE                        = 0x00,
    BLE_ADVERTISER                          = 0x20,
    BLE_TX_TEST_MODE                        = 0x40,
    BLE_RX_TEST_MODE                        = 0x60,
    BLE_RXTX_TEST_MODE                      = 0x80,
}RadioBleConnectionStates_t;

/*!
 * \brief Represents the CRC field length for BLE packet type
 */
typedef enum
{
    BLE_CRC_OFF                             = 0x00,
    BLE_CRC_3B                              = 0x10,
}RadioBleCrcFields_t;

/*!
 * \brief Represents the specific packets to use in BLE packet type
 */
typedef enum
{
    BLE_PRBS_9                              = 0x00,         //!< Pseudo Random Binary Sequence based on 9th degree polynomial
    BLE_PRBS_15                             = 0x0C,         //!< Pseudo Random Binary Sequence based on 15th degree polynomial
    BLE_EYELONG_1_0                         = 0x04,         //!< Repeated '11110000' sequence
    BLE_EYELONG_0_1                         = 0x18,         //!< Repeated '00001111' sequence
    BLE_EYESHORT_1_0                        = 0x08,         //!< Repeated '10101010' sequence
    BLE_EYESHORT_0_1                        = 0x1C,         //!< Repeated '01010101' sequence
    BLE_ALL_1                               = 0x10,         //!< Repeated '11111111' sequence
    BLE_ALL_0                               = 0x14,         //!< Repeated '00000000' sequence
}RadioBlePacketTypes_t;

/*!
 * \brief Represents the interruption masks available for the radio
 *
 * \remark Note that not all these interruptions are available for all packet types
 */
typedef enum
{
    IRQ_RADIO_NONE                          = 0x0000,
    IRQ_TX_DONE                             = 0x0001,
    IRQ_RX_DONE                             = 0x0002,
    IRQ_SYNCWORD_VALID                      = 0x0004,
    IRQ_SYNCWORD_ERROR                      = 0x0008,
    IRQ_HEADER_VALID                        = 0x0010,
    IRQ_HEADER_ERROR                        = 0x0020,
    IRQ_CRC_ERROR                           = 0x0040,
    IRQ_CAD_DONE                            = 0x1000,
    IRQ_CAD_ACTIVITY_DETECTED               = 0x2000,
    IRQ_RX_TX_TIMEOUT                       = 0x4000,
    IRQ_PREAMBLE_DETECTED                   = 0x8000,
    IRQ_RADIO_ALL                           = 0xFFFF,
}RadioIrqMasks_t;

/*!
 * \brief Represents the digital input/output of the radio
 */
typedef enum
{
    RADIO_DIO1                              = 0x02,
    RADIO_DIO2                              = 0x04,
    RADIO_DIO3                              = 0x08,
}RadioDios_t;

/*!
 * \brief Represents the tick size available for Rx/Tx timeout operations
 */
typedef enum
{
    RADIO_TICK_SIZE_0015_US                 = 0x00,
    RADIO_TICK_SIZE_0062_US                 = 0x01,
    RADIO_TICK_SIZE_1000_US                 = 0x02,
    RADIO_TICK_SIZE_4000_US                 = 0x03,
}RadioTickSizes_t;

/*!
 * \brief Represents all possible opcode understood by the radio
 */
typedef enum RadioCommands_u
{
    RADIO_GET_STATUS                        = 0xC0,
    RADIO_WRITE_REGISTER                    = 0x18,
    RADIO_READ_REGISTER                     = 0x19,
    RADIO_WRITE_BUFFER                      = 0x1A,
    RADIO_READ_BUFFER                       = 0x1B,
    RADIO_SET_SLEEP                         = 0x84,
    RADIO_SET_STANDBY                       = 0x80,
    RADIO_SET_FS                            = 0xC1,
    RADIO_SET_TX                            = 0x83,
    RADIO_SET_RX                            = 0x82,
    RADIO_SET_RXDUTYCYCLE                   = 0x94,
    RADIO_SET_CAD                           = 0xC5,
    RADIO_SET_TXCONTINUOUSWAVE              = 0xD1,
    RADIO_SET_TXCONTINUOUSPREAMBLE          = 0xD2,
    RADIO_SET_PACKETTYPE                    = 0x8A,
    RADIO_GET_PACKETTYPE                    = 0x03,
    RADIO_SET_RFFREQUENCY                   = 0x86,
    RADIO_SET_TXPARAMS                      = 0x8E,
    RADIO_SET_CADPARAMS                     = 0x88,
    RADIO_SET_BUFFERBASEADDRESS             = 0x8F,
    RADIO_SET_MODULATIONPARAMS              = 0x8B,
    RADIO_SET_PACKETPARAMS                  = 0x8C,
    RADIO_GET_RXBUFFERSTATUS                = 0x17,
    RADIO_GET_PACKETSTATUS                  = 0x1D,
    RADIO_GET_RSSIINST                      = 0x1F,
    RADIO_SET_DIOIRQPARAMS                  = 0x8D,
    RADIO_GET_IRQSTATUS                     = 0x15,
    RADIO_CLR_IRQSTATUS                     = 0x97,
    RADIO_CALIBRATE                         = 0x89,
    RADIO_SET_REGULATORMODE                 = 0x96,
    RADIO_SET_SAVECONTEXT                   = 0xD5,
    RADIO_SET_AUTOTX                        = 0x98,
    RADIO_SET_AUTOFS                        = 0x9E,
    RADIO_SET_LONGPREAMBLE                  = 0x9B,
    RADIO_SET_UARTSPEED                     = 0x9D,
}RadioCommands_t;

/*!
 * \brief Represents an amount of time measurable by the radio clock
 *
 * @code
 * Time = Step * NbSteps
 * Example:
 * Step = RADIO_TICK_SIZE_4000_US( 4 ms )
 * NbSteps = 1000
 * Time = 4e-3 * 1000 = 4 seconds
 * @endcode
 */
typedef struct TickTime_s
{
    RadioTickSizes_t Step;                                  //!< The step of ticktime
    /*!
     * \brief The number of steps for ticktime
     * Special values are:
     *     - 0x0000 for single mode
     *     - 0xFFFF for continuous mode
     */
    uint16_t NbSteps;
}TickTime_t;

/*!
* \brief RX_TX_CONTINUOUS and RX_TX_SINGLE are two particular values for TickTime.
* The former keep the radio in Rx or Tx mode, even after successfull reception
* or transmission. It should never generate Timeout interrupt.
* The later let the radio enought time to make one reception or transmission.
* No Timeout interrupt is generated, and the radio fall in StandBy mode after
* reception or transmission.
*/
#define RX_TX_CONTINUOUS ( TickTime_t ){ RADIO_TICK_SIZE_0015_US, 0xFFFF }
#define RX_TX_SINGLE     ( TickTime_t ){ RADIO_TICK_SIZE_0015_US, 0 }

/*!
 * \brief The type describing the modulation parameters for every packet types
 */
typedef struct
{
    RadioPacketTypes_t                    PacketType;        //!< Packet to which the modulation parameters are referring to.
//    union
    struct
    {
        /*!
         * \brief Holds the GFSK modulation parameters
         *
         * In GFSK modulation, the bit-rate and bandwidth are linked together. In this structure, its values are set using the same token.
         */
        struct
        {
            RadioGfskBleBitrates_t    BitrateBandwidth;  //!< The bandwidth and bit-rate values for BLE and GFSK modulations
            RadioGfskBleModIndexes_t  ModulationIndex;   //!< The coding rate for BLE and GFSK modulations
            RadioModShapings_t        ModulationShaping; //!< The modulation shaping for BLE and GFSK modulations
        }Gfsk;
        /*!
         * \brief Holds the LORA modulation parameters
         *
         * LORA modulation is defined by Spreading Factor (SF), Bandwidth and Coding Rate
         */
        struct
        {
            RadioLoRaSpreadingFactors_t  SpreadingFactor;   //!< Spreading Factor for the LORA modulation
            RadioLoRaBandwidths_t        Bandwidth;         //!< Bandwidth for the LORA modulation
            RadioLoRaCodingRates_t       CodingRate;        //!< Coding rate for the LORA modulation
        }LoRa;
        /*!
         * \brief Holds the FLRC modulation parameters
         *
         * In FLRC modulation, the bit-rate and bandwidth are linked together. In this structure, its values are set using the same token.
         */
        struct
        {
            RadioFlrcBitrates_t          BitrateBandwidth;  //!< The bandwidth and bit-rate values for FLRC modulation
            RadioFlrcCodingRates_t       CodingRate;        //!< The coding rate for FLRC modulation
            RadioModShapings_t           ModulationShaping; //!< The modulation shaping for FLRC modulation
        }Flrc;
        /*!
         * \brief Holds the BLE modulation parameters
         *
         * In BLE modulation, the bit-rate and bandwidth are linked together. In this structure, its values are set using the same token.
         */
        struct
        {
            RadioGfskBleBitrates_t       BitrateBandwidth;  //!< The bandwidth and bit-rate values for BLE and GFSK modulations
            RadioGfskBleModIndexes_t     ModulationIndex;   //!< The coding rate for BLE and GFSK modulations
            RadioModShapings_t           ModulationShaping; //!< The modulation shaping for BLE and GFSK modulations
        }Ble;
    }Params;                                                   //!< Holds the modulation parameters structure
}ModulationParams_t;

/*!
 * \brief Structure describing the error codes for callback functions
 */
typedef enum
{
    IRQ_HEADER_ERROR_CODE                   = 0x00,
    IRQ_SYNCWORD_ERROR_CODE,
    IRQ_CRC_ERROR_CODE,
}IrqErrorCode_t;

/*!
 * \brief The radio callbacks structure
 * Holds function pointers to be called on radio interrupts
 */
typedef struct
{
    void ( *txDone )( void );                       //!< Pointer to a function run on successful transmission
    void ( *rxDone )( void );                       //!< Pointer to a function run on successful reception
    void ( *rxSyncWordDone )( void );               //!< Pointer to a function run on successful SyncWord reception
    void ( *rxHeaderDone )( void );                 //!< Pointer to a function run on successful Header reception
    void ( *txTimeout )( void );                    //!< Pointer to a function run on transmission timeout
    void ( *rxTimeout )( void );                    //!< Pointer to a function run on reception timeout
    void ( *rxError )( IrqErrorCode_t errCode );    //!< Pointer to a function run on reception error
    void ( *cadDone )( bool cadFlag );              //!< Pointer to a function run on channel activity detected
}RadioCallbacks_t;

/*!
 * \brief The type describing the packet parameters for every packet types
 */
typedef struct
{
    RadioPacketTypes_t                    PacketType;        //!< Packet to which the packet parameters are referring to.
//    union
    struct
    {
        /*!
         * \brief Holds the GFSK packet parameters
         */
        struct
        {
            RadioPreambleLengths_t       PreambleLength;    //!< The preamble length for GFSK packet type
            RadioSyncWordLengths_t       SyncWordLength;    //!< The synchronization word length for GFSK packet type
            RadioSyncWordRxMatchs_t      SyncWordMatch;     //!< The synchronization correlator to use to check synchronization word
            RadioPacketLengthModes_t     HeaderType;        //!< If the header is explicit, it will be transmitted in the GFSK packet. If the header is implicit, it will not be transmitted
            uint8_t                      PayloadLength;     //!< Size of the payload in the GFSK packet
            RadioCrcTypes_t              CrcLength;         //!< Size of the CRC block in the GFSK packet
            RadioWhiteningModes_t        Whitening;         //!< Usage of whitening on payload and CRC blocks plus header block if header type is variable
        }Gfsk;
        /*!
         * \brief Holds the LORA packet parameters
         */
        struct
        {
            uint8_t                       PreambleLength;    //!< The preamble length is the number of LORA symbols in the preamble. To set it, use the following formula @code Number of symbols = PreambleLength[3:0] * ( 2^PreambleLength[7:4] ) @endcode
            RadioLoRaPacketLengthsModes_t HeaderType;        //!< If the header is explicit, it will be transmitted in the LORA packet. If the header is implicit, it will not be transmitted
            uint8_t                       PayloadLength;     //!< Size of the payload in the LORA packet
            RadioLoRaCrcModes_t           CrcMode;           //!< Size of CRC block in LORA packet
            RadioLoRaIQModes_t            InvertIQ;          //!< Allows to swap IQ for LORA packet
        }LoRa;
        /*!
         * \brief Holds the FLRC packet parameters
         */
        struct
        {
            RadioPreambleLengths_t       PreambleLength;    //!< The preamble length for FLRC packet type
            RadioFlrcSyncWordLengths_t   SyncWordLength;    //!< The synchronization word length for FLRC packet type
            RadioSyncWordRxMatchs_t      SyncWordMatch;     //!< The synchronization correlator to use to check synchronization word
            RadioPacketLengthModes_t     HeaderType;        //!< If the header is explicit, it will be transmitted in the FLRC packet. If the header is implicit, it will not be transmitted.
            uint8_t                      PayloadLength;     //!< Size of the payload in the FLRC packet
            RadioCrcTypes_t              CrcLength;         //!< Size of the CRC block in the FLRC packet
            RadioWhiteningModes_t        Whitening;         //!< Usage of whitening on payload and CRC blocks plus header block if header type is variable
        }Flrc;
        /*!
         * \brief Holds the BLE packet parameters
         */ 
        struct
        {
            RadioBleConnectionStates_t    ConnectionState;   //!< The BLE state
            RadioBleCrcFields_t           CrcField;          //!< Size of the CRC block in the BLE packet
            RadioBlePacketTypes_t         BlePacketType;     //!< Special BLE packet types
            RadioWhiteningModes_t         Whitening;         //!< Usage of whitening on PDU and CRC blocks of BLE packet
        }Ble;
    }Params;                                                 //!< Holds the packet parameters structure
}PacketParams_t;

/*!
 * \brief Represents the packet status for every packet type
 */
typedef struct
{
    RadioPacketTypes_t                    packetType;        //!< Packet to which the packet status are referring to.
    union
    {
        struct
        {
            int8_t RssiAvg;                                 //!< The averaged RSSI
            int8_t RssiSync;                                //!< The RSSI measured on last packet
            struct
            {
                bool SyncError :1;                          //!< SyncWord error on last packet
                bool LengthError :1;                        //!< Length error on last packet
                bool CrcError :1;                           //!< CRC error on last packet
                bool AbortError :1;                         //!< Abort error on last packet
                bool HeaderReceived :1;                     //!< Header received on last packet
                bool PacketReceived :1;                     //!< Packet received
                bool PacketControlerBusy :1;                //!< Packet controller busy
            }ErrorStatus;                                   //!< The error status Byte
            struct
            {
                bool RxNoAck :1;                            //!< No acknowledgment received for Rx with variable length packets
                bool PacketSent :1;                         //!< Packet sent, only relevant in Tx mode
            }TxRxStatus;                                    //!< The Tx/Rx status Byte
            uint8_t SyncAddrStatus :3;                      //!< The id of the correlator who found the packet
        }Gfsk;
        struct
        {
            int8_t RssiPkt;                                 //!< The RSSI of the last packet
            int8_t SnrPkt;                                  //!< The SNR of the last packet
            struct
            {
                bool SyncError :1;                          //!< SyncWord error on last packet
                bool LengthError :1;                        //!< Length error on last packet
                bool CrcError :1;                           //!< CRC error on last packet
                bool AbortError :1;                         //!< Abort error on last packet
                bool HeaderReceived :1;                     //!< Header received on last packet
                bool PacketReceived :1;                     //!< Packet received
                bool PacketControlerBusy :1;                //!< Packet controller busy
            }ErrorStatus;                                   //!< The error status Byte
            struct
            {
                bool RxNoAck :1;                            //!< No acknowledgment received for Rx with variable length packets
                bool PacketSent :1;                         //!< Packet sent, only relevant in Tx mode
            }TxRxStatus;                                    //!< The Tx/Rx status Byte
            uint8_t SyncAddrStatus :3;                      //!< The id of the correlator who found the packet
        }LoRa;
        struct
        {
            int8_t RssiAvg;                                 //!< The averaged RSSI
            int8_t RssiSync;                                //!< The RSSI of the last packet
            struct
            {
                bool SyncError :1;                          //!< SyncWord error on last packet
                bool LengthError :1;                        //!< Length error on last packet
                bool CrcError :1;                           //!< CRC error on last packet
                bool AbortError :1;                         //!< Abort error on last packet
                bool HeaderReceived :1;                     //!< Header received on last packet
                bool PacketReceived :1;                     //!< Packet received
                bool PacketControlerBusy :1;                //!< Packet controller busy
            }ErrorStatus;                                   //!< The error status Byte
            struct
            {
                uint8_t RxPid :2;                           //!< PID of the Rx
                bool RxNoAck :1;                            //!< No acknowledgment received for Rx with variable length packets
                bool RxPidErr :1;                           //!< Received PID error
                bool PacketSent :1;                         //!< Packet sent, only relevant in Tx mode
            }TxRxStatus;                                    //!< The Tx/Rx status Byte
            uint8_t SyncAddrStatus :3;                      //!< The id of the correlator who found the packet
        }Flrc;
        struct
        {
            int8_t RssiAvg;                                 //!< The averaged RSSI
            int8_t RssiSync;                                //!< The RSSI of the last packet
            struct
            {
                bool SyncError :1;                          //!< SyncWord error on last packet
                bool LengthError :1;                        //!< Length error on last packet
                bool CrcError :1;                           //!< CRC error on last packet
                bool AbortError :1;                         //!< Abort error on last packet
                bool HeaderReceived :1;                     //!< Header received on last packet
                bool PacketReceived :1;                     //!< Packet received
                bool PacketControlerBusy :1;                //!< Packet controller busy
            }ErrorStatus;                                   //!< The error status Byte
            struct
            {
                bool PacketSent :1;                         //!< Packet sent, only relevant in Tx mode
            }TxRxStatus;                                    //!< The Tx/Rx status Byte
            uint8_t SyncAddrStatus :3;                      //!< The id of the correlator who found the packet
        }Ble;
    }Params;
}PacketStatus_t;

/*!
 * \brief Represents the Rx internal counters values when GFSK or LORA packet type is used
 */
typedef struct
{
    RadioPacketTypes_t                    packetType;       //!< Packet to which the packet status are referring to.
    union
    {
        struct
        {
            uint16_t PacketReceived;                        //!< Number of received packets
            uint16_t CrcError;                              //!< Number of CRC errors
            uint16_t LengthError;                           //!< Number of length errors
            uint16_t SyncwordError;                         //!< Number of sync-word errors
        }Gfsk;
        struct
        {
            uint16_t PacketReceived;                        //!< Number of received packets
            uint16_t CrcError;                              //!< Number of CRC errors
            uint16_t HeaderValid;                           //!< Number of valid headers
        }LoRa;
    }Params;
}RxCounter_t;

/*!
 * \brief Represents a calibration configuration
 */
typedef struct
{
    uint8_t RC64KEnable    : 1;                             //!< Calibrate RC64K clock
    uint8_t RC13MEnable    : 1;                             //!< Calibrate RC13M clock
    uint8_t PLLEnable      : 1;                             //!< Calibrate PLL
    uint8_t ADCPulseEnable : 1;                             //!< Calibrate ADC Pulse
    uint8_t ADCBulkNEnable : 1;                             //!< Calibrate ADC bulkN
    uint8_t ADCBulkPEnable : 1;                             //!< Calibrate ADC bulkP
}CalibrationParams_t;

/*!
 * \brief Represents a sleep mode configuration
 */
typedef struct
{
    uint8_t WakeUpRTC               : 1;                    //!< Get out of sleep mode if wakeup signal received from RTC
    uint8_t InstructionRamRetention : 1;                    //!< InstructionRam is conserved during sleep
    uint8_t DataBufferRetention     : 1;                    //!< Data buffer is conserved during sleep
    uint8_t DataRamRetention        : 1;                    //!< Data ram is conserved during sleep
}SleepParams_t;

/*!
 * \brief Compute the two's complement for a register of size lower than
 *        32bits
 *
 * \param [in]  num            The register to be two's complemented
 * \param [in]  bitCnt         The position of the sign bit
 */
static int32_t SX1281complement2( const uint32_t num, const uint8_t bitCnt );

/*!
 * \brief Returns the value of LoRa bandwidth from driver's value
 *
 * The value is returned in Hz so that it can be represented as an integer
 * type. Most computation should be done as integer to reduce floating
 * point related errors.
 *
 * \retval loRaBw              The value of the current bandwidth in Hz
 */
int32_t SX1281GetLoRaBandwidth( void );

/*!
 * \brief DIOs interrupt callback
 *
 * \remark Called to handle all 3 DIOs pins
 */
void SX1281OnDioIrq( void );

/*!
 * \brief Initializes the radio driver
 */
void SX1281Init( RadioCallbacks_t *callbacks );

/*!
 * \brief Set the driver in polling mode.
 *
 * In polling mode the application is responsible to call ProcessIrqs( ) to
 * execute callbacks functions.
 * The default mode is Interrupt Mode.
 * @code
 * // Initializations and callbacks declaration/definition
 * radio = SX1281( mosi, miso, sclk, nss, busy, int1, int2, int3, rst, &callbacks );
 * radio.Init( );
 * radio.SetPollingMode( );
 *
 * while( true )
 * {
 *                            //     IRQ processing is automatically done
 *     radio.ProcessIrqs( );  // <-- here, as well as callback functions
 *                            //     calls
 *     // Do some applicative work
 * }
 * @endcode
 *
 * \see SX1281SetInterruptMode
 */
void SX1281SetPollingMode( void );

/*!
 * \brief Set the driver in interrupt mode.
 *
 * In interrupt mode, the driver communicate with the radio during the
 * interruption by direct calls to ProcessIrqs( ). The main advantage is
 * the possibility to have low power application architecture.
 * This is the default mode.
 * @code
 * // Initializations and callbacks declaration/definition
 * radio = SX1281( mosi, miso, sclk, nss, busy, int1, int2, int3, rst, &callbacks );
 * radio.Init( );
 * radio.SetInterruptMode( );   // Optionnal. Driver default behavior
 *
 * while( true )
 * {
 *     // Do some applicative work
 * }
 * @endcode
 *
 * \see SX1281SetPollingMode
 */
void SX1281SetInterruptMode( void );

/*!
 * \brief Initializes the radio registers to the recommended default values
 */
void SX1281SetRegistersDefault( void );

/*!
 * \brief Returns the current device firmware version
 *
 * \retval      version       Firmware version
 */
uint16_t SX1281GetFirmwareVersion( void );

/*!
 * \brief Gets the current Operation Mode of the Radio
 *
 * \retval      RadioOperatingModes_t last operating mode
 */
RadioOperatingModes_t SX1281GetOpMode( void );

/*!
 * \brief Gets the current radio status
 *
 * \retval      status        Radio status
 */
RadioStatus_t SX1281GetStatus( void );

/*!
 * \brief Sets the radio in sleep mode
 *
 * \param [in]  sleepConfig   The sleep configuration describing data
 *                            retention and RTC wake-up
 */
void SX1281SetSleep( SleepParams_t sleepConfig );

/*!
 * \brief Sets the radio in configuration mode
 *
 * \param [in]  mode          The standby mode to put the radio into
 */
void SX1281SetStandby( RadioStandbyModes_t mode );

/*!
 * \brief Sets the radio in FS mode
 */
void SX1281SetFs( void );

/*!
 * \brief Sets the radio in transmission mode
 *
 * \param [in]  timeout       Structure describing the transmission timeout value
 */
void SX1281SetTx( TickTime_t timeout );

/*!
 * \brief Sets the radio in reception mode
 *
 * \param [in]  timeout       Structure describing the reception timeout value
 */
void SX1281SetRx( TickTime_t timeout );

/*!
 * \brief Sets the Rx duty cycle management parameters
 *
 * \param [in]  rxTime        Structure describing reception timeout value
 * \param [in]  sleepTime     Structure describing sleep timeout value
 */
void SX1281SetRxDutyCycle( RadioTickSizes_t Step, uint16_t NbStepRx, uint16_t RxNbStepSleep );

/*!
 * \brief Sets the radio in CAD mode
 *
 * \see SX1281::SetCadParams
 */
void SX1281SetCad( void );

/*!
 * \brief Sets the radio in continuous wave transmission mode
 */
void SX1281SetTxContinuousWave( void );

/*!
 * \brief Sets the radio in continuous preamble transmission mode
 */
void SX1281SetTxContinuousPreamble( void );

/*!
 * \brief Sets the radio for the given protocol
 *
 * \param [in]  packetType    [PACKET_TYPE_GFSK, PACKET_TYPE_LORA,
 *                             PACKET_TYPE_FLRC, PACKET_TYPE_BLE]
 *
 * \remark This method has to be called before SetRfFrequency,
 *         SetModulationParams and SetPacketParams
 */
void SX1281SetPacketType( RadioPacketTypes_t packetType );

/*!
 * \brief Gets the current radio protocol
 *
 * \retval      packetType    [PACKET_TYPE_GFSK, PACKET_TYPE_LORA,
 *                             PACKET_TYPE_FLRC, PACKET_TYPE_BLE, PACKET_TYPE_NONE]
 */
RadioPacketTypes_t SX1281GetPacketType( void );

/*!
 * \brief Sets the RF frequency
 *
 * \param [in]  frequency     RF frequency [Hz]
 */
void SX1281SetRfFrequency( uint32_t frequency );

/*!
 * \brief Sets the transmission parameters
 *
 * \param [in]  power         RF output power [-18..13] dBm
 * \param [in]  rampTime      Transmission ramp up time
 */
void SX1281SetTxParams( int8_t power, RadioRampTimes_t rampTime );

/*!
 * \brief Sets the number of symbols to be used for Channel Activity
 *        Detection operation
 *
 * \param [in]  cadSymbolNum  The number of symbol to use for Channel Activity
 *                            Detection operations [LORA_CAD_01_SYMBOL, LORA_CAD_02_SYMBOL,
 *                            LORA_CAD_04_SYMBOL, LORA_CAD_08_SYMBOL, LORA_CAD_16_SYMBOL]
 */
void SX1281SetCadParams( RadioLoRaCadSymbols_t cadSymbolNum );

/*!
 * \brief Sets the data buffer base address for transmission and reception
 *
 * \param [in]  txBaseAddress Transmission base address
 * \param [in]  rxBaseAddress Reception base address
 */
void SX1281SetBufferBaseAddresses( uint8_t txBaseAddress, uint8_t rxBaseAddress );

/*!
 * \brief Set the modulation parameters
 *
 * \param [in]  modParams     A structure describing the modulation parameters
 */
void SX1281SetModulationParams( ModulationParams_t *modParams );

/*!
 * \brief Sets the packet parameters
 *
 * \param [in]  packetParams  A structure describing the packet parameters
 */
void SX1281SetPacketParams( PacketParams_t *packetParams );

/*!
 * \brief Gets the last received packet buffer status
 *
 * \param [out] payloadLength Last received packet payload length
 * \param [out] rxStartBuffer Last received packet buffer address pointer
 */
void SX1281GetRxBufferStatus( uint8_t *payloadLength, uint8_t *rxStartBuffer );

/*!
 * \brief Gets the last received packet payload length
 *
 * \param [out] pktStatus     A structure of packet status
 */
void SX1281GetPacketStatus( PacketStatus_t *pktStatus );

/*!
 * \brief Returns the instantaneous RSSI value for the last packet received
 *
 * \retval      rssiInst      Instantaneous RSSI
 */
int8_t SX1281GetRssiInst( void );

/*!
 * \brief   Sets the IRQ mask and DIO masks
 *
 * \param [in]  irqMask       General IRQ mask
 * \param [in]  dio1Mask      DIO1 mask
 * \param [in]  dio2Mask      DIO2 mask
 * \param [in]  dio3Mask      DIO3 mask
 */
void SX1281SetDioIrqParams( uint16_t irqMask, uint16_t dio1Mask, uint16_t dio2Mask, uint16_t dio3Mask );

/*!
 * \brief Returns the current IRQ status
 *
 * \retval      irqStatus     IRQ status
 */
uint16_t SX1281GetIrqStatus( void );

/*!
 * \brief Clears the IRQs
 *
 * \param [in]  irq           IRQ(s) to be cleared
 */
void SX1281ClearIrqStatus( uint16_t irq );

/*!
 * \brief Calibrates the given radio block
 *
 * \param [in]  calibParam    The description of blocks to be calibrated
 */
void SX1281Calibrate( CalibrationParams_t calibParam );

/*!
 * \brief Sets the power regulators operating mode
 *
 * \param [in]  mode          [0: LDO, 1:DC_DC]
 */
void SX1281SetRegulatorMode( RadioRegulatorModes_t mode );

/*!
 * \brief Saves the current selected modem configuration into data RAM
 */
void SX1281SetSaveContext( void );

/*!
 * \brief Sets the chip to automatically send a packet after the end of a packet reception
 *
 * \remark The offset is automatically compensated inside the function
 *
 * \param [in]  time          The delay in us after which a Tx is done
 */
void SX1281SetAutoTx( uint16_t time );

/*!
 * \brief Sets the chip to automatically receive a packet after the end of a packet transmission
 *
 * \remark The offset is automatically compensated inside the function
 *
 * \param [in]  time          The delay in us after which a Rx is done
 */
void SX1281SetAutoFS( uint8_t enable );

/*!
 * \brief Enables or disables long preamble detection mode
 *
 * \param [in]  enable        [0: Disable, 1: Enable]
 */
void SX1281SetLongPreamble( uint8_t enable );

/*!
 * \brief Saves the payload to be send in the radio buffer
 *
 * \param [in]  payload       A pointer to the payload
 * \param [in]  size          The size of the payload
 */
void SX1281SetPayload( uint8_t *payload, uint8_t size );

/*!
 * \brief Reads the payload received. If the received payload is longer
 * than maxSize, then the method returns 1 and do not set size and payload.
 *
 * \param [out] payload       A pointer to a buffer into which the payload will be copied
 * \param [out] size          A pointer to the size of the payload received
 * \param [in]  maxSize       The maximal size allowed to copy into the buffer
 */
uint8_t SX1281GetPayload( uint8_t *payload, uint8_t *size, uint8_t maxSize );

/*!
 * \brief Sends a payload
 *
 * \param [in]  payload       A pointer to the payload to send
 * \param [in]  size          The size of the payload to send
 * \param [in]  timeout       The timeout for Tx operation
 */
void SX1281SendPayload( uint8_t *payload, uint8_t size, TickTime_t timeout );

/*!
 * \brief Sets the Sync Word given by index used in GFSK, FLRC and BLE protocols
 *
 * \remark 5th byte isn't used in FLRC and BLE protocols
 *
 * \param [in]  syncWordIdx   Index of SyncWord to be set [1..3]
 * \param [in]  syncWord      SyncWord bytes ( 5 bytes )
 *
 * \retval      status        [0: OK, 1: NOK]
 */
uint8_t SX1281SetSyncWord( uint8_t syncWordIdx, uint8_t *syncWord );

/*!
 * \brief Defines how many error bits are tolerated in sync word detection
 *
 * \param [in]  errorBits     Number of error bits supported to validate the Sync word detection
 *                            ( default is 4 bit, minimum is 1 bit )
 */
void SX1281SetSyncWordErrorTolerance( uint8_t errorBits );

/*!
 * \brief Sets the Initial value for the LFSR used for the CRC calculation
 *
 * \param [in]  seed          Initial LFSR value ( 4 bytes )
 *
 */
void SX1281SetCrcSeed( uint16_t seed );

/*!
 * \brief Set the Access Address field of BLE packet
 *
 * \param [in]  accessAddress The access address to be used for next BLE packet sent
 */
void SX1281SetBleAccessAddress( uint32_t accessAddress );

/*!
 * \brief Set the Access Address for Advertizer BLE packets
 *
 * All advertizer BLE packets must use a particular value for Access
 * Address field. This method sets it.
 *
 * \see SX1281::SetBleAccessAddress
 */
void SX1281SetBleAdvertizerAccessAddress( void );

/*!
 * \brief Sets the seed used for the CRC calculation
 *
 * \param [in]  seed          The seed value
 *
 */
void SX1281SetCrcPolynomial( uint16_t seed );

/*!
 * \brief Sets the Initial value of the LFSR used for the whitening in GFSK, FLRC and BLE protocols
 *
 * \param [in]  seed          Initial LFSR value
 */
void SX1281SetWhiteningSeed( uint8_t seed );

/*!
 * \brief Return the Estimated Frequency Error in LORA operations
 *
 * \retval efe                The estimated frequency error [Hz]
 */
double SX1281GetFrequencyError( void );

/*!
 * \brief Process the analysis of radio IRQs and calls callback functions
 *        depending on radio state
 */
void SX1281ProcessIrqs( void );

/*!
 * \brief Clears the instruction RAM
 */
void SX1281ClearInstructionRam( void );

/*!
 * \brief Parses 1 HEX file line and writes the content to the instruction memory
 *
 * \param [in]  line          HEX file line string
 *
 * \retval      status        [0: ERROR, 1:OK]
 */
int8_t SX1281ParseHexFileLine( char* line );

/*!
 * \brief Gets individual fields for the given HEX file line
 *
 * \param [in]  line          HEX file line string
 * \param [out] bytes         Bytes array to be written to the instruction memory
 * \param [out] addr          Instruction memory address where to write the bytes array
 * \param [out] num           Number of bytes in Bytes array
 * \param [out] code          HEX file line type [0: instruction, 1: end of file, 2: begin of file]
 *
 * \retval      status        [0: ERROR, 1:OK]
 */
int8_t SX1281GetHexFileLineFields( char* line, uint8_t *bytes, uint16_t *addr, uint16_t *num, uint8_t *code );

#endif // __SX1281_H__
