Commit Graph

9 Commits

Author SHA1 Message Date
Phil Howard 1bb61b2c52 PicoWireless: network scan example
Basic example to scan SSID networks and list them.
2021-10-04 16:20:57 +01:00
Phil Howard 7772959450 PicoWireless: add TLS support to ppwhttp
* Add a new "connection_mode" argument to http_request. This can be TLS_MODE or TCP_MODE
* Fix a bug where assumptions about json parsing don't hold up
* Check for TCP_STATE_CLOSED and bail early from connect_to_server
2021-09-30 10:47:30 +01:00
Phil Howard 78d50c2986 PicoWireless: ppwhttp add wildcard routes
This slightly reckless extension to ppwhttp adds support for wildcard routes, eg:

/get_led/<int:index>

Which will serve URLs in the form:

/get_led/10
/get_led/22

etc.

The wildcard includes <type:key>, attempting to match the behaviour of Flask.

Only type "int" is supported currently.

/get_led/<index> - would set data["index"] to a string
/get_led/<int:index> - would attempt to parse the URL part to an int, and would not serve eg: /get_led/hi

See plasma_ws2812_http.py for example usage.
2021-09-29 16:27:02 +01:00
Phil Howard b92d77a2f9 PicoWireless: handle encoding/content type better in ppwhttp
Uses the correct? default Content-Type and encoding for HTTP.

Parses the Content-Type header *before* decoding the content body.

Handles JSON type gracefully.

Decodes the response body accoding to the encoding header.
2021-09-29 14:09:59 +01:00
Phil Howard eb3c8b0ebc PicoWireless: ppwhttp fix to support JSON content type
This is a bit of a fudge, and was only tested against the Cheerlights API.

Detects JSON content type, parses out the content length and truncates the response body to length.

Should probably do this *before* decoding from utf-8.

Updates cheerlights.py API example to support XML, JSON and TEXT endpoints.
2021-09-29 12:47:55 +01:00
Phil Howard 9f07be90da PicoWireless: move HTTP code to ppwhttp library
Creates a new ppwhttp library to hide the implementation detail of HTTP clients/servers from the examples.

Adds a new example - plasma_ws2812_http.py - showing how to expand rgb_http.py to use a WS2812 pixel strip.

Adds "secrets.py" and moves WIFI connection information there. ppwhttp will throw an error if it's missing.
2021-09-29 12:20:06 +01:00
Phil Howard ff8917cbe0 Retry failed HTTP connections in cheerlights.py
As discussed on https://forums.pimoroni.com/t/pico-wireless-pack-fetching-data-from-web/17215/ the cheerlights.py example was stalling on the first HTTP request.

I have added a timeout in this case, so the code will stop waiting and retry after the 60second polling wait period. Users report this does the trick!
2021-06-05 19:45:07 +01:00
helgibbons cde1b97e57 Green fixed! 2021-04-29 20:18:24 +01:00
Phil Howard 6167589812 Add Pico Wireless Python examples 2021-04-15 12:02:18 +01:00