I've found that the WLAN connection in my LuaPlayer apps tends to die after a few minutes, even if it's sending and receiving data. I have WLAN power save off and everything, but it still tends to drop. The only way I've found to fix this is close the Wifi connection then open it up again every minute.
In a C program, you can fix this by using sceKernelPowerTick()...is there anything in Lua that could work like this?
Keeping WLAN connection alive
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