openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

67 lines
1.8 KiB

import copy
from cereal import car
VisualAlert = car.CarControl.HUDControl.VisualAlert
def create_steering_control(packer, apply_steer, frame, steer_step):
idx = (frame / steer_step) % 16
values = {
"Counter": idx,
"LKAS_Output": apply_steer,
"LKAS_Request": 1 if apply_steer != 0 else 0,
"SET_1": 1
}
return packer.make_can_msg("ES_LKAS", 0, values)
def create_steering_status(packer, apply_steer, frame, steer_step):
return packer.make_can_msg("ES_LKAS_State", 0, {})
def create_es_distance(packer, es_distance_msg, pcm_cancel_cmd):
values = copy.copy(es_distance_msg)
if pcm_cancel_cmd:
values["Cruise_Cancel"] = 1
return packer.make_can_msg("ES_Distance", 0, values)
def create_es_lkas(packer, es_lkas_msg, visual_alert, left_line, right_line):
values = copy.copy(es_lkas_msg)
if visual_alert == VisualAlert.steerRequired:
values["Keep_Hands_On_Wheel"] = 1
values["LKAS_Left_Line_Visible"] = int(left_line)
values["LKAS_Right_Line_Visible"] = int(right_line)
return packer.make_can_msg("ES_LKAS_State", 0, values)
# *** Subaru Pre-global ***
def subaru_preglobal_checksum(packer, values, addr):
dat = packer.make_can_msg(addr, 0, values)[2]
return (sum(dat[:7])) % 256
def create_preglobal_steering_control(packer, apply_steer, frame, steer_step):
idx = (frame / steer_step) % 8
values = {
"Counter": idx,
"LKAS_Command": apply_steer,
"LKAS_Active": 1 if apply_steer != 0 else 0
}
values["Checksum"] = subaru_preglobal_checksum(packer, values, "ES_LKAS")
return packer.make_can_msg("ES_LKAS", 0, values)
def create_es_throttle_control(packer, fake_button, es_accel_msg):
values = copy.copy(es_accel_msg)
values["Button"] = fake_button
values["Checksum"] = subaru_preglobal_checksum(packer, values, "ES_CruiseThrottle")
return packer.make_can_msg("ES_CruiseThrottle", 0, values)