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forked from IQ.Lvbs/IQ.Pilot
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2026-08-22 23:42:42 -05:00

112 lines
4.4 KiB
Python

from iqdbc.car.volkswagen.mqbcan import (volkswagen_mqb_meb_checksum, xor_checksum,
acc_control_value as mqb_acc_control_value,
acc_hud_status_value as mqb_acc_hud_status_value,
create_lka_hud_control as mqb_create_lka_hud_control)
# ACC_01.ACC_Sollbeschleunigung one increment above range max, "no acceleration request"
ACC_INACTIVE_ACCEL = 3.01
def create_hca_steering_control(packer, bus, apply_steer, HCA_Status):
values = {
"HCA_01_Status_HCA": HCA_Status,
"HCA_01_LM_Offset": abs(apply_steer),
"HCA_01_LM_OffSign": 1 if apply_steer < 0 else 0,
"HCA_01_Vib_Freq": 18,
"HCA_01_Sendestatus": 1 if HCA_Status in (5, 7) else 0,
}
return packer.make_can_msg("HCA_01", bus, values)
def create_lka_hud_control(packer, bus, ldw_stock_values, enabled, steering_pressed, hud_alert, hud_control,
entering=False, special_mode=False, special_active=False):
return mqb_create_lka_hud_control(packer, bus, ldw_stock_values, enabled, steering_pressed, hud_alert, hud_control,
entering, special_mode, special_active)
def create_acc_buttons_control(packer, bus, gra_stock_values, cancel=False, resume=False, set_button=False):
values = {s: gra_stock_values[s] for s in [
"LS_Hauptschalter",
"LS_Typ_Hauptschalter",
"LS_Codierung",
"LS_Tip_Stufe_2",
]}
values.update({
"COUNTER": (gra_stock_values["COUNTER"] + 1) % 16,
"LS_Abbrechen": cancel,
"LS_Tip_Wiederaufnahme": resume,
})
return packer.make_can_msg("LS_01", bus, values)
def acc_control_value(main_switch_on, long_active, cruiseOverride, accFaulted):
# ACC_01.ACC_Status_ACC uses the same enum as MQB ACC_06: 0 off, 2 standby, 3 active, 4 driver override, 6 fault
return mqb_acc_control_value(main_switch_on, long_active, cruiseOverride, accFaulted)
def acc_hud_status_value(main_switch_on, acc_faulted, longActive, longOverride):
return mqb_acc_hud_status_value(main_switch_on, acc_faulted, longActive, longOverride)
def create_acc_accel_control(packer, bus, accel, acc_control, stopping):
acc_enabled = acc_control in (3, 4)
acc_01_values = {
"ACC_Status_ACC": acc_control,
"ACC_Sollbeschleunigung": accel if acc_enabled else ACC_INACTIVE_ACCEL,
"ACC_zul_Regelabw_unten": 0.2,
"ACC_zul_Regelabw_oben": 0.2,
"ACC_neg_Sollbeschl_Grad": 4.0 if acc_enabled else 0,
"ACC_pos_Sollbeschl_Grad": 4.0 if acc_enabled else 0,
"ACC_Dynamik": 3,
"ACC_Anhalten": stopping if acc_enabled else False,
"ACC_Minimale_Bremsung": 0,
}
return [packer.make_can_msg("ACC_01", bus, acc_01_values)]
def create_acc_hud_control(packer, bus, acc_hud_status, set_speed, leadDistance, distanceBars, fcw_alert, leadVisible,
unavailable, decel, d_unresponsive, hud_text=0):
engaged = acc_hud_status in (3, 4)
priodisp = 0 if fcw_alert else 1 if (acc_hud_status == 4 or decel or leadVisible) else 2 if (acc_hud_status in (3, 2)) else 0
leadDistanceBars = distanceBars + 1 if distanceBars in (1, 2, 3) else 2
values = {
"ACC_Status_Anzeige": acc_hud_status,
"ACC_Wunschgeschw_02": set_speed if set_speed < 250 else 327.36,
"ACC_Gesetzte_Zeitluecke": leadDistanceBars,
"ACC_Anzeige_Zeitluecke": 1 if engaged else 0,
"ACC_Tachokranz": 1 if engaged else 0,
"ACC_Display_Prio": priodisp,
"ACC_Abstandsindex": leadDistance if leadVisible else 0,
"ACC_Relevantes_Objekt": 2 if fcw_alert else (1 if leadVisible else 0), # lead car: 1 green, 2 red, 0 off
"ACC_Status_Prim_Anz": 2 if fcw_alert else (1 if engaged else 0), # ACC symbol: 1 green, 2 red, 0 off
"ACC_Optischer_Fahrerhinweis": 1 if fcw_alert else 0,
"ACC_Akustik": 1 if (fcw_alert or d_unresponsive) else 0,
"ACC_Texte_Primaeranz": hud_text,
}
return packer.make_can_msg("ACC_02", bus, values)
def volkswagen_mlb_checksum(address: int, sig, d: bytearray) -> int:
xor_starting_value = {
0x109: 0x08, # ACC_01
0x111: 0x10, # TSK_05
0x30C: 0x0F, # ACC_02
0x324: 0x27, # ACC_04
0x10B: 0xA, # LS_01
0x10D: 0x0C, # ACC_05
0x10F: 0x0E, # ACC_0x10F
0x311: 0x12, # ACC_0x311
0x397: 0x94, # LDW_02
0x10C: 0x0D, # TSK_02
}
if address in xor_starting_value:
return xor_checksum(address, sig, d, xor_starting_value[address])
else:
return volkswagen_mqb_meb_checksum(address, sig, d)