--- # RAK6421 WisMesh Pi HAT — RAK13302 (SX1262 + 1W SKY66122 FEM) in SLOT 2. # Source: meshtastic/firmware bin/config.d/lora-RAK6421-13302-slot2.yaml repeater_sx1262_bus_id: 0 # spidev0.1 repeater_sx1262_cs_id: 1 # CE1 (BCM 7) # -1 = hardware CS via spidev. The kernel spi driver owns the CE line, so a # manual cs_pin here fails with EBUSY; manual CS is only for boards whose NSS # is wired to a non-CE GPIO (e.g. Waveshare). repeater_sx1262_cs_pin: -1 repeater_sx1262_reset_pin: 24 repeater_sx1262_busy_pin: 19 repeater_sx1262_irq_pin: 18 # DIO1 repeater_sx1262_use_dio3_tcxo: true repeater_sx1262_dio3_tcxo_voltage: 1.8 repeater_sx1262_use_dio2_rf: true # Per upstream's hardware catalog for this board: both SKY66122 FEM enables are # asserted together via en_pins and DIO2 does the actual TX/RX switching. repeater_sx1262_txen_pin: -1 repeater_sx1262_rxen_pin: -1 repeater_sx1262_en_pins: [26, 23] repeater_sx1262_use_gpiod_backend: true # Upstream's catalog says gpio_chip 1, but on a Pi 4 the 40-pin header is # gpiochip0 (chip 1 is the 8-line firmware expansion GPIO). repeater_sx1262_gpio_chip: 0 repeater_sx1262_is_waveshare: false