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. config TTN_RADIO_SX1272_73 bool "SX1272/SX1273 (used in HopeRF RFM92 boards)" config TTN_RADIO_SX1276_77_78_79 bool "SX1276/SX1277/SX1278/SX1279 (used in HopeRF RFM96 and ttgo LoRa boards)" 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