Collaboration diagram for Raspberry Pi Gateway:
Configuration options for the Raspberry Pi Gateway.
configure script for MySensors gateway.
Options:

Help:
    -h, --help                  print this message

SPI driver options:
    --spi-driver=[BCM|SPIDEV]
    --spi-spidev-device=<DEVICE>
                                Device path. [/dev/spidev0.0]

Building options:
    --soc=[BCM2711|BCM2835|BCM2836|BCM2837|AM33XX|A10|A13|A20|H3]
                                SoC type to be used. [configure autodetected]
    --cpu-flags=<CPUFLAGS>      CPU defining/optimizing flags to be used. [configure autodetected]
    --extra-cflags=<CFLAGS>     Extra C flags passed to C compilation. []
    --extra-cxxflags=<CXXFLAGS> Extra C++ flags passed to C++ compilation. []
                                Example: --extra-cxxflags="-DMY_RX_MESSAGE_BUFFER_SIZE=\(32\) -DMY_RF24_DATARATE=\(RF24_2MBPS\)"
    --extra-ldflags=<LDFLAGS>   Extra C flags passed to linking. []
    --c_compiler=<CC>           C compiler. [arm-linux-gnueabihf-gcc][gcc]
    --cxx_compiler=<CXX>        C++ compiler. [arm-linux-gnueabihf-g++][g++]
    --build-dir=<DIR>           Compiler directory to store object files. [build]
    --bin-dir=<DIR>             Compiler directory to store binary files. [bin]
    --arduino-lib-dir=<DIR>     Arduino library directory.
    --no-clean                  Don't clean previous build artifacts.

Installation options:
    --prefix=<PREFIX>           Installation prefix path. [/usr/local]
    --gateway-dir=<DIR>         Gateway files installation directory. [PREFIX/bin]

MySensors options:
    --my-debug=[enable|disable] Enables or disables MySensors core debugging. [enable]
    --my-config-file=<FILE>     Config file path. [/etc/mysensors.conf]
    --my-gateway=[none|ethernet|serial|mqtt]
                                Set the protocol used to communicate with the controller. [ethernet]
    --my-node-id=<ID>           Disable gateway feature and run as a node with the specified id.
    --my-controller-url-address=<URL>
                                Controller or MQTT broker url.
    --my-controller-ip-address=<IP>
                                Controller or MQTT broker ip.
    --my-port=<PORT>            The port to keep open on gateway mode.
                                If gateway is set to mqtt, it sets the broker port.
    --my-serial-port=<PORT>     Serial port.
    --my-serial-baudrate=<BAUD> Serial baud rate. [115200]
    --my-serial-is-pty          Set the serial port to be a pseudo terminal. Use this if you want
                                to connect to a controller running on the same device.
                                You also need to set the symlink name for the PTY device with
                                the --my-serial-port option.
    --my-serial-groupname=<GROUP>
                                Grant access to the specified system group for the serial device.
    --my-mqtt-client-id=<ID>    MQTT client id.
    --my-mqtt-user=<UID>        MQTT user id.
    --my-mqtt-password=<PASS>   MQTT password.
    --my-mqtt-publish-topic-prefix=<PREFIX>
                                MQTT publish topic prefix.
    --my-mqtt-subscribe-topic-prefix=<PREFIX>
                                MQTT subscribe topic prefix.
    --my-transport=[none|rf24|rfm69|rfm95|rs485]
                                Set the transport to be used to communicate with other nodes. [rf24]
    --my-rf24-channel=<0-125>   RF channel for the sensor net. [76]
    --my-rf24-pa-level=[RF24_PA_MAX|RF24_PA_HIGH|RF24_PA_LOW|RF24_PA_MIN]
                                RF24 PA level. [RF24_PA_MAX]
    --my-rf24-ce-pin=<PIN>      Pin number to use for rf24 Chip-Enable.
    --my-rf24-cs-pin=<PIN>      Pin number to use for rf24 Chip-Select.
    --my-rf24-irq-pin=<PIN>     Pin number connected to nRF24L01P IRQ pin.
    --my-rf24-encryption-enabled
                                Enables RF24 encryption.
                                All nodes and gateway must have this enabled, and all must be
                                personalized with the same AES key.
    --my-rx-message-buffer-size=<SIZE>
                                Buffer size for incoming messages when using rf24 interrupts. [20]
    --my-rfm69-frequency=[315|433|865|868|915]
                                RFM69 Module Frequency. [868]
    --my-is-rfm69hw             Enable high-powered rfm69hw.
    --my-rfm69-irq-pin=<PIN>    Pin number connected to RFM69 IRQ pin.
    --my-rfm69-cs-pin=<PIN>     Pin number to use for RFM69 Chip-Select.
    --my-rfm69-encryption-enabled
                                Enables RFM69 encryption.
                                All nodes and gateway must have this enabled, and all must be
                                personalized with the same AES key.
    --my-rfm95-frequency=[169|315|434|868|915]
                                RFM95 Module Frequency. [868]
    --my-rfm95-irq-pin=<PIN>    Pin number connected to RFM95 IRQ pin.
    --my-rfm95-cs-pin=<PIN>     Pin number to use for RFM95 Chip-Select.
    --my-rfm95-encryption-enabled
                                Enables RFM95 encryption.
                                All nodes and gateway must have this enabled, and all must be
                                personalized with the same AES key.
    --my-rs485-serial-port=<PORT>
                                RS485 serial port. You must provide a port.
    --my-rs485-baudrate=<BAUD>  RS485 baudrate. [9600]
    --my-rs485-de-pin=<PIN>     Pin number connected to RS485 driver enable pin.
    --my-rs485-max-msg-length=<LENGTH>
                                The maximum message length used for RS485. [40]
    --my-leds-err-pin=<PIN>     Error LED pin.
    --my-leds-rx-pin=<PIN>      Receive LED pin.
    --my-leds-tx-pin=<PIN>      Transmit LED pin.
    --my-leds-blinking-inverse  Inverse the blinking feature.
    --my-signing=[none|software|password]
                                Message signing. [none]
    --my-signing-debug          Enable signing related debug.
    --my-signing-request-signatures
                                Enable signature request from nodes that in turn requested
                                gateway signature.
    --my-signing-weak_security  Enable this to permit downgrade of security preferences and
                                relaxed gateway signing requirements.
    --my-signing-whitelist=<WHITELIST>
                                If you want to use a whitelist, provide it here, make sure to avoid
                                spaces in the <whitelist> expression.
    --my-signing-verification-timeout-ms=<TIMEOUT>
                                Signing timeout. [5000]
    --my-security-password=<PASSWORD>
                                If you are using password for signing/encryption, set your password here.