commands.md

This is a list of useful and example commands for gcloud and the example code in this repository

Shell variables aren't necessary but useful for copy and pasting the following commands without modification. Please set:

project=my-project-name-1234
region=us-central1
registry=example-registry
device=my-rs256-device
mysub=my-sub
events=events

List registries and devices in your $project

gcloud beta iot registries list --project=$project --region=$region
gcloud beta iot devices list --project=$project --region=$region --registry=$registry

Create a new registery

gcloud beta iot registries create $registry \
--project=$project \
--region=$region \
--event-pubsub-topic=projects/$project/topics/events

Create a new device

gcloud beta iot devices create $device \
--project=$project \
--region=$region \
--registry=$registry \
--public-key path=rsa_cert.pem,type=rs256

Create a new pubsub subscription to an event

gcloud beta pubsub subscriptions create projects/$project/subscriptions/$mysub --topic=$events

Find more at: https://cloud.google.com/iot/docs/gcloud_examples

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Sync files on host machine with RasPi as they are changed

find $IDEdir -type f|entr rsync -aiv --no-o --size-only --progress $IDEdir -e ssh $destPi

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Useful RasPi commands for checking your wiring

Blink GPIO 21 (i.e. and LED)

gpio -g blink 21

Read all of the GPIOs

gpio readall

See everything on the i2c bus

i2cdetect -y 1