v4.1.0
- HAL: Reworked "Listen-Before-Talk" feature to have more flexibility to define
LBT channels frequency, and to be able to have spectral scan running in parallel - HAL: Updated lgw_time_on_air() function for FSK packets
- HAL: Disabled GPS UART input being re-echoed as output to avoid sending wrong
commands to GPS module - HAL: Fixed IF frequency configuration check issue for channel bandwidths 250K
and 500HKz. - FPGA: Updated to v33 for new LBT and spectral scan design.
- util_spectral_scan: updated to match new spectral scan FPGA sequence
- util_lbt_test: updated to match LBT rework
Note: The provided LBT feature has been validated for Japan only, and supports
8 downlink channels maximum.