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fix: STATUS no longer starts an I2C bus on the Wireless Bridge's radio and PSRAM pins - #146
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…o and PSRAM pins The first STATUS after boot scans the general I2C bus. Boards that name no I2C pins inherited Config.h's OLED default of 18/17, which on the Wireless Bridge is the LoRa chip select and the D0WDQ6's PSRAM clock: one STATUS put the node into a restart loop it left with no PSRAM. The Wireless Paper inherited the same pair. The panel pair now has no default (-1, no bus), mainBus() refuses to start a bus on -1 instead of letting the core fall back to the variant's 21/22, and busFor() reports whether begin() succeeded. The build refuses a general pair on a radio pin or, on classic ESP32 with PSRAM, the sdkconfig's PSRAM CS/CLK.
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The first STATUS after boot scans the general I2C bus. Boards that name no I2C pins inherited Config.h's OLED default of 18/17, which on the Wireless Bridge is the LoRa chip select and the D0WDQ6's PSRAM clock: one STATUS put the node into a restart loop it left with no PSRAM. The Wireless Paper inherited the same pair.
The panel pair now has no default (-1, no bus), mainBus() refuses to start a bus on -1 instead of letting the core fall back to the variant's 21/22, and busFor() reports whether begin() succeeded. The build refuses a general pair on a radio pin or, on classic ESP32 with PSRAM, the sdkconfig's PSRAM CS/CLK.