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wifi: CircuitPython's wifi.radio API on network.WLAN - #127
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connect() raises ConnectionError with CircuitPython's reasons (Authentication failure, No network with that ssid, a timeout) and returns at once when already on that network; timeout=0 starts a join without waiting. Adds scanning, ap_info with live rssi, static addresses, power management, tx power, hostname and an access point. connect_from_secrets() keeps its contract and now falls back to the networks wifi_manager remembered when secrets.py is missing or its network isn't in range; it skips NTP when already connected. Tested on an ESP32-S3 (LCD-7) hopping between two P4 access points started with start_ap(): five hops, the wrong-password, missing-network and timeout=0 cases, and the wifi_manager fallback with and without secrets.py.
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This replaces
lib/wifi.pywith a version that gives MicroPython CircuitPython'swifi.radioAPI, so board code written for CircuitPython runs unchanged.What's new:
radio.connect()raisesConnectionError(anOSError) with CircuitPython's reasons, andtimeout=0joins without waiting.ap_infowith live RSSI, static addresses, power management, TX power, hostname, and an access point.connect_from_secrets()keeps its contract. Whensecrets.pyis missing or its network isn't in range, it now falls back to the networkswifi_managerremembered.Two behaviours change for existing callers:
radio.connect()used to returnNonequietly when it failed. It now raises. No caller in our repos relies on the old behaviour.connect_from_secrets()no longer re-syncs NTP when the board is already connected.tests/test_wifi.pynow asserts that, and its fake radio gains thedisconnect()andconfig()the new code calls.Tested on hardware. An ESP32-S3 (LCD-7) hopped between two ESP32-P4 access points started with the new
start_ap(), a→b→a→b→a, joining each in 1.1–1.4 s. Wrong password, missing network andtimeout=0behaved as documented. Thewifi_managerfallback worked both withoutsecrets.pyand with asecrets.pynetwork out of range.Boards that freeze PyDevices (
--modules pydevices) carry the old copy until their firmware is rebuilt, because frozen modules come before/lib.