Here is a list of all documented files with brief descriptions:

[detail level 12345]

▼ src
▼ hal
► Arduino
ArduinoHal.h
► ESP-IDF
EspHal.h
► RPi
PiHal.h
► RPiPico
PicoHal.h
► Tock
libtockHal.h
▼ modules
► CC1101
CC1101.h
► LLCC68
LLCC68.h
► LR11x0
► firmware
lr1110_transceiver_0303.h
lr1110_transceiver_0304.h
lr1110_transceiver_0305.h	Firmware transceiver version 0x0305 for LR1110 radio
lr1110_transceiver_0306.h	Firmware transceiver version 0x0306 for LR1110 radio
lr1110_transceiver_0307.h	Firmware transceiver version 0x0307 for LR1110 radio
lr1110_transceiver_0308.h
lr1110_transceiver_0401.h	Firmware transceiver version 0x0401 for LR1110 radio
lr1120_transceiver_0101.h	Firmware transceiver version 0x0101 for LR1120 radio
lr1120_transceiver_0102.h	Firmware transceiver version 0x0102 for LR1120 radio
lr1120_transceiver_0201.h	Firmware transceiver version 0x0201 for LR1120 radio
lr1121_transceiver_0102.h
lr1121_transceiver_0103.h	Firmware transceiver version 0x0103 for LR1121 radio
LR1110.h
LR1120.h
LR1121.h
LR11x0.h
LR11x0_firmware.h
► nRF24
nRF24.h
► RF69
RF69.h
► RFM2x
RFM22.h
RFM23.h
► Si443x
Si4430.h
Si4431.h
Si4432.h
Si443x.h
► SX123x
SX1231.h
SX1233.h
► SX126x
► patches
SX126x_patch_scan.h
STM32WLx.h
STM32WLx_Module.h
SX1261.h
SX1262.h
SX1268.h
SX126x.h
► SX127x
SX1272.h
SX1273.h
SX1276.h
SX1277.h
SX1278.h
SX1279.h
SX127x.h
► SX128x
SX1280.h
SX1281.h
SX1282.h
SX128x.h
▼ protocols
► AFSK
AFSK.h
► APRS
APRS.h
► AX25
AX25.h
► BellModem
BellModem.h
► ExternalRadio
ExternalRadio.h
► FSK4
FSK4.h
► Hellschreiber
Hellschreiber.h
► LoRaWAN
LoRaWAN.h
► Morse
Morse.h
► Pager
Pager.h
► PhysicalLayer
PhysicalLayer.h
► Print
ITA2String.h
Print.h
► RTTY
RTTY.h
► SSTV
SSTV.h
▼ utils
CRC.h
Cryptography.h
FEC.h
Utils.h
BuildOpt.h
BuildOptUser.h
Hal.h
Module.h
RadioLib.h
TypeDef.h