Here is a list of all documented variables with links to the struct/union documentation for each field:

- f -

f : hitec_prog_t
f_max_hz : tone_cfg_t, tone_cmd_t, tone_setup_t
f_min_hz : tone_cfg_t, tone_cmd_t, tone_setup_t
fail : text_hl_words_t
fail_addr : hitec_session_t
fail_n : text_hl_words_t
fail_reg : kst_link_outcome_t, kst_port_t
failed : dec_t, gfx_turn_t, injector_t, log_reader_t, log_writer_t, wa_out_t, wa_pending_t
fails : pdmini_t, sense_part_t, touch_merge_t
failsafe : link_dev_t, sbus_frame_t
fall : tone_holdoff_t
fall_ms : esc_det_t
family : esc_profile_t, hitec_capture_t, hitec_pio_clock_t, hitec_pio_run_t, hitec_port_t, hitec_prog_cmd_t, hitec_xfer_t
fast : sense_i3221_cfg_t, sense_snap_t, settings_sensors_map_t
fault_busy : fm_bench_t
faults : kst_stats_t, ui_bench_status_t
fb : display_state_t
fed : hitec_prog_t, sense_trace_t
fell : esc_det_t
fetch : kst_link_t
fetch_ms : kst_prog_t
fetched : kst_prog_t
field : kst_plan_job_t, kst_prog_card_done_t, log_data_t
fields : kst_file_load_t, kst_prog_card_done_t
fight_a_per_us : servo_pair_cfg_t
file : ui_textkey_t, wa_zip_t
file_busy : hitec_prog_t
file_bytes : wa_zip_plan_t
file_crc : wa_zip_t
file_for : kst_prog_t
file_ms : hitec_prog_t
file_next : kst_prog_t
file_rec : hitec_prog_t
file_retry : kst_prog_t
file_retry_ms : kst_prog_t
file_stale : kst_prog_t
file_type : kst_file_load_t
file_types : kst_prog_t
file_wanted : hitec_prog_t
files : card_pick_t, kst_prog_t, lv_state_t
files_first : kst_prog_t
files_n : kst_prog_t
files_open : upd_feed_t
files_seq : kst_panel_state_t, kst_prog_t
files_total : kst_prog_t
files_wait : kst_panel_state_t
fill : fm_job_t, fw_sha256_t
fill_ctx : fm_job_t
filled : ui_plot_t
filter_n : servo_move_cfg_t
find : stick_t
find_box : stick_t
find_clr : stick_t
find_was : stick_t
fingerprint : kst_session_t
fingerprint_ok : kst_session_t
finish : fw_flash_t
finished : servo_page_t
fired : [struct].s, frame_watch_t, ui_hold_t
first : gfx_font_t, heading_t, hitec_range_t, kst_prog_card_req_t, link_update_dev_t, log_column_t, lv_state_t, panel_i2c_range_t, servo_limrun_t, tone_page_t
first_acked : inj_contact_t
first_channel : out_slot_t
fitted : sense_i3221_cfg_t, sense_map_link_t
fixed : outbind_board_t
flag_at : link_uph_t
flags : bench_state_t, can_remote_status_t, hitec_link_readout_t, kst_link_readout_t, kst_reply_t, link_draw_pad_t, sense_link_meter_t, sense_map_link_t, sense_sched_t, tone_beep_t, tone_rec_t, touch_event_t
flash_ms : [struct].s, ui_hold_t
flash_new : ui_hold_t
floor : ui_plot_series_t
floor_mv : kst_prog_t
floor_v : servo_test_t
floor_x16 : esc_det_t
flush : log_sink_t
flushed : sense_limit_link_t
fn_hit : [struct].p
fn_id : [struct].p
fn_open : [struct].p
focus : ui_plot_t
folder : log_viewer_io_t, ui_textkey_t
follows : ui_plot_series_t
foot : plan_t
forced : sense_map_link_t
format : art_entry_t, link_art_meta_t
found : find_t, fw_rel_scan_t, sp_maker_t, upd_view_t, wa_fetch_t
fp_regs : kst_link_readout_t
fp_rules : kst_link_readout_t
fps : display_state_t
fps_frames : display_state_t
fps_window_us : display_state_t
fr : storage_dir
frame_hz : servo_cmd_t
frame_lost : sbus_frame_t
frame_out : supply_page_t
frame_us : ppm_cfg_t, ppm_out_t
framed : kst_port_t
frames : display_state_t, inj_contact_t, kst_link_outcome_t, kst_link_readout_t, kst_port_t, perf_window_t
framing : hitec_link_outcome_t, hitec_pre_dec_t, hitec_rx_byte_t
free_a : servo_pair_cfg_t, servo_sim_cfg_t
free_us : servo_limrun_side_t
freq_dhz : tone_beep_t, tone_rec_t
freq_hz : tone_beep_t, tone_window_t
from : kst_prog_restore_t, sample_t, servo_link_start_t
from_ms : esc_stick_light_t
from_pause : servo_cmd_t
from_pwm : kst_port_t
from_updates : cu_driver_t
frozen_ms : servo_link_start_t
fs : wa_walk_t, wa_zip_t
full : hitec_capture_t, spans_t
full_left : gfx_turn_t
full_width : prog_reg_row_t
func : port_view_t, prog_link_port_t, prog_link_t