menu "The Things Network" choice TTN_LORA_FREQ prompt "TTN LoRa frequency" default TTN_LORA_FREQ_NONE help LoRa frequency must match the geographic region the device is operated in. Running it with the incorrect frequency most like violates the law. config TTN_LORA_FREQ_NONE bool "None" config TTN_LORA_FREQ_EU_868 bool "868 MHz (Europe)" config TTN_LORA_FREQ_US_915 bool "915 Mhz (North America)" endchoice choice TTN_RADIO_CHIP prompt "TTN radio chip" default TTN_RADIO_SX1276_77_78_79 help The chip type used for LoRa radio. Most boards use the SX1276 .. SX1279 chips. This includes ttgo LoRa and HopeRF RFM95 boards. Earlier boards might use the SX1272 / 73 chips, e.g. the HopeRF RFM92. config TTN_RADIO_SX1272_73 bool "Semtech SX1272 / SX1273" config TTN_RADIO_SX1276_77_78_79 bool "Semtech SX1276 / SX1277 / SX1278 / SX1279" endchoice choice TTN_TIMER prompt "Timer" default TTN_TIMER_1_GROUP_0 help A timer is used to implement the LoRaWAN protocol. This selects the ESP32's timer. config TTN_TIMER_0_GROUP_0 bool "Timer 0 of group 0" config TTN_TIMER_1_GROUP_0 bool "Timer 1 of group 0" config TTN_TIMER_0_GROUP_1 bool "Timer 0 of group 1" config TTN_TIMER_1_GROUP_1 bool "Timer 1 of group 1" endchoice config TTN_SPI_FREQ int "SPI frequency (in Hz)" default 10000000 help SPI frequency to communicate between ESP32 and SX127x radio chip config TTN_BG_TASK_PRIO int "Background task priority" default 10 help Priority of task running in the background and communicating with the LoRaWAN radio chip. It needs a high priority as the timing is crucial. Higher numbers indicate higher priority. endmenu