Https Post example

Digisol

I downloaded a project from Nordics called “LTE HTTP POST.” Once compiled, there are numerous errors. Why?

I also want to utilize your recommended sample, but I couldn’t discover an IP address. Is “do_something” the message to send?

What about the REST Client Library?

jaredwolff

@Digisol you may want to check out this file: https://github.com/circuitdojo/nrf9160-feather-examples-and-drivers/blob/v2.4.x/samples/https/src/cloud/cloud.c which actually implements the secure socket connection and use of the HTTP client.

Hope that helps.

Digisol

jaredwolff Thank you for your patience; I had been busy with other tasks.

I open the https project and build it; but no app_update.bin is generated.

Also, where will I view the uploaded message? What message will be transmitted?

Digisol

After merging the CMakeLists and prj.conf files from another project, I received three warnings. I programmed the https project, but now I need to know where the nRF9160 transmitted the Post so I can check what message was received.

I don’t know if the post was sent, if messages were received, or not. How do I get such information?
On terminal, I got this message:

*** Booting Zephyr OS build v3.3.99-ncs1-1 ***
[00:00:00.253,875] .[0m<inf> main: HTTPS Sample. Board: sparkfun_thing_plus_nrf9160.[0m
[00:00:00.446,990] .[0m<inf> cloud: Certificate match.[0m

jaredwolff

Digisol you need to customize to your needs. It will not transmit unless you run the function to do so. (It does once after LTE connection. You do need a working SIM though)

More detail: It utilizes a custom defined codec using cJSON but you can utilize a simple JSON formatted string depending on your payload complexity. You can modify how you generate your payload in cloud_publish()

You also need to update the host and path using CONFIG_CLOUD_HOSTNAME and CONFIG_CLOUD_PUBLISH_PATH respectively. Best place to put your values is in prj.conf.

By default it uses the CA cert for Let’s Encrypt. You will need to adjust depending on what server you’re talking to.

Good luck!

Digisol

We sincerely appreciate your assistance; we have completed all of your requests thus far.

We purchased the “SparkFun Thing Plus - nRF9160”, and support pointed us to circuitdojo.com. We sought assistance because we had no prior knowledge of Zephyr.

We need to create an application that sends a “Hello world” over https Post to say “website.com/rx_post.php”.

I found a web page that discusses the CONFIG_CLOUD_HOSTNAME and CONFIG_CLOUD_PUBLISH_PATH options.

I’m not sure how to configure, seems like i can use “CONFIG_CLOUD_HOSTNAME=website.com/rx_post.php”, however the second parameter was not found in the samples folders, the Nordic forum, or Zephyr. We don’t require JSON; we will use only text.

We already have a SIM that supports Cat M1, and we’ve successfully utilized it with the Sim7600G LTE modem and through Cat M1.

jaredwolff

@Digisol you’re welcome to checkout my videos on Zephyr especially if you’re starting from scratch. https://www.youtube.com/c/circuitdojo

I know Golioth has some good content as well.