esp-idf/components/aws_iot/Kconfig

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menuconfig AWS_IOT_SDK
bool "Amazon Web Services IoT Platform"
help
Select this option to enable support for the AWS IoT platform,
via the esp-idf component for the AWS IoT Device C SDK.
config AWS_IOT_MQTT_HOST
string "AWS IoT Endpoint Hostname"
depends on AWS_IOT_SDK
default ""
help
Default endpoint host name to connect to AWS IoT MQTT/S gateway
This is the custom endpoint hostname and is specific to an AWS
IoT account. You can find it by logging into your AWS IoT
Console and clicking the Settings button. The endpoint hostname
is shown under the "Custom Endpoint" heading on this page.
If you need per-device hostnames for different regions or
accounts, you can override the default hostname in your app.
config AWS_IOT_MQTT_PORT
int "AWS IoT MQTT Port"
depends on AWS_IOT_SDK
default 8883
range 0 65535
help
Default port number to connect to AWS IoT MQTT/S gateway
If you need per-device port numbers for different regions, you can
override the default port number in your app.
config AWS_IOT_MQTT_TX_BUF_LEN
int "MQTT TX Buffer Length"
depends on AWS_IOT_SDK
default 512
range 32 65536
help
Maximum MQTT transmit buffer size. This is the maximum MQTT
message length (including protocol overhead) which can be sent.
Sending longer messages will fail.
config AWS_IOT_MQTT_RX_BUF_LEN
int "MQTT RX Buffer Length"
depends on AWS_IOT_SDK
default 512
range 32 65536
help
Maximum MQTT receive buffer size. This is the maximum MQTT
message length (including protocol overhead) which can be
received.
Longer messages are dropped.
config AWS_IOT_MQTT_NUM_SUBSCRIBE_HANDLERS
int "Maximum MQTT Topic Filters"
depends on AWS_IOT_SDK
default 5
range 1 100
help
Maximum number of concurrent MQTT topic filters.
config AWS_IOT_MQTT_MIN_RECONNECT_WAIT_INTERVAL
int "Auto reconnect initial interval (ms)"
depends on AWS_IOT_SDK
default 1000
range 10 3600000
help
Initial delay before making first reconnect attempt, if the AWS IoT connection fails.
Client will perform exponential backoff, starting from this value.
config AWS_IOT_MQTT_MAX_RECONNECT_WAIT_INTERVAL
int "Auto reconnect maximum interval (ms)"
depends on AWS_IOT_SDK
default 128000
range 10 3600000
help
Maximum delay between reconnection attempts. If the exponentially increased delay
interval reaches this value, the client will stop automatically attempting to reconnect.
menu "Thing Shadow"
depends on AWS_IOT_SDK
config AWS_IOT_OVERRIDE_THING_SHADOW_RX_BUFFER
bool "Override Shadow RX buffer size"
depends on AWS_IOT_SDK
default n
help
Allows setting a different Thing Shadow RX buffer
size. This is the maximum size of a Thing Shadow
message in bytes, plus one.
If not overridden, the default value is the MQTT RX Buffer length plus one. If overriden, do not set higher than the default value.
config AWS_IOT_SHADOW_MAX_SIZE_OF_RX_BUFFER
int "Maximum RX Buffer (bytes)"
depends on AWS_IOT_OVERRIDE_THING_SHADOW_RX_BUFFER
default 513
range 32 65536
help
Allows setting a different Thing Shadow RX buffer size.
This is the maximum size of a Thing Shadow message in bytes,
plus one.
config AWS_IOT_SHADOW_MAX_SIZE_OF_UNIQUE_CLIENT_ID_BYTES
int "Maximum unique client ID size (bytes)"
depends on AWS_IOT_SDK
default 80
range 4 1000
help
Maximum size of the Unique Client Id.
config AWS_IOT_SHADOW_MAX_SIMULTANEOUS_ACKS
int "Maximum simultaneous responses"
depends on AWS_IOT_SDK
default 10
range 1 100
help
At any given time we will wait for this many responses. This will correlate to the rate at which the shadow actions are requested
config AWS_IOT_SHADOW_MAX_SIMULTANEOUS_THINGNAMES
int "Maximum simultaneous Thing Name operations"
depends on AWS_IOT_SDK
default 10
range 1 100
help
We could perform shadow action on any thing Name and this is maximum Thing Names we can act on at any given time
config AWS_IOT_SHADOW_MAX_JSON_TOKEN_EXPECTED
int "Maximum expected JSON tokens"
depends on AWS_IOT_SDK
default 120
help
These are the max tokens that is expected to be in the Shadow JSON document. Includes the metadata which is published
config AWS_IOT_SHADOW_MAX_SHADOW_TOPIC_LENGTH_WITHOUT_THINGNAME
int "Maximum topic length (not including Thing Name)"
depends on AWS_IOT_SDK
default 60
range 10 1000
help
All shadow actions have to be published or subscribed to a topic which is of the format $aws/things/{thingName}/shadow/update/accepted. This refers to the size of the topic without the Thing Name
config AWS_IOT_SHADOW_MAX_SIZE_OF_THING_NAME
int "Maximum Thing Name length"
depends on AWS_IOT_SDK
default 20
range 4 1000
help
Maximum length of a Thing Name.
endmenu # Thing Shadow