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earlephilhower / arduino-pico

Raspberry Pi Pico Arduino core, for all RP2040 and RP2350 boards
GNU Lesser General Public License v2.1
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Cannot switch from AP mode to station mode #2266

Closed andnic closed 3 months ago

andnic commented 3 months ago

Clear LwipIntfDev::_netif in LwipIntfDev::end() to allow switching from AP to station modes.

Similar to #884, after starting AP mode it is not possible to switch to station mode. The call to WiFi.begin() completes instantaneously and the AP IP address persists.

Taking clues from #905, the connection state is derived from the presence of an IP address in LwipIntfDev::_netif. Zeroing out _netif in LwipIntfDev::end() remedies the issue and allows switching from station to AP and back successfully.

JAndrassy commented 3 months ago

.end() should not clear the static IP configuration so next begin() can use it. it is this way in other Arduino networking libraries too. please try to find a different way to make AP mode work