-
Notifications
You must be signed in to change notification settings - Fork 9.4k
/
Copy pathinterface.py
executable file
·343 lines (296 loc) · 16.3 KB
/
interface.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
#!/usr/bin/env python3
from cereal import car
from panda import Panda
from openpilot.common.conversions import Conversions as CV
from openpilot.common.numpy_fast import interp
from openpilot.selfdrive.car.honda.values import CarControllerParams, CruiseButtons, HondaFlags, CAR, HONDA_BOSCH, HONDA_NIDEC_ALT_SCM_MESSAGES, \
HONDA_BOSCH_ALT_BRAKE_SIGNAL, HONDA_BOSCH_RADARLESS
from openpilot.selfdrive.car import create_button_events, get_safety_config
from openpilot.selfdrive.car.interfaces import CarInterfaceBase
from openpilot.selfdrive.car.disable_ecu import disable_ecu
ButtonType = car.CarState.ButtonEvent.Type
EventName = car.CarEvent.EventName
TransmissionType = car.CarParams.TransmissionType
BUTTONS_DICT = {CruiseButtons.RES_ACCEL: ButtonType.accelCruise, CruiseButtons.DECEL_SET: ButtonType.decelCruise,
CruiseButtons.MAIN: ButtonType.altButton3, CruiseButtons.CANCEL: ButtonType.cancel}
class CarInterface(CarInterfaceBase):
@staticmethod
def get_pid_accel_limits(CP, current_speed, cruise_speed):
if CP.carFingerprint in HONDA_BOSCH:
return CarControllerParams.BOSCH_ACCEL_MIN, CarControllerParams.BOSCH_ACCEL_MAX
elif CP.enableGasInterceptor:
return CarControllerParams.NIDEC_ACCEL_MIN, CarControllerParams.NIDEC_ACCEL_MAX
else:
# NIDECs don't allow acceleration near cruise_speed,
# so limit limits of pid to prevent windup
ACCEL_MAX_VALS = [CarControllerParams.NIDEC_ACCEL_MAX, 0.2]
ACCEL_MAX_BP = [cruise_speed - 2., cruise_speed - .2]
return CarControllerParams.NIDEC_ACCEL_MIN, interp(current_speed, ACCEL_MAX_BP, ACCEL_MAX_VALS)
@staticmethod
def _get_params(ret, candidate, fingerprint, car_fw, experimental_long, docs):
ret.carName = "honda"
if candidate in HONDA_BOSCH:
ret.safetyConfigs = [get_safety_config(car.CarParams.SafetyModel.hondaBosch)]
ret.radarUnavailable = True
# Disable the radar and let openpilot control longitudinal
# WARNING: THIS DISABLES AEB!
# If Bosch radarless, this blocks ACC messages from the camera
ret.experimentalLongitudinalAvailable = True
ret.openpilotLongitudinalControl = experimental_long
ret.pcmCruise = not ret.openpilotLongitudinalControl
else:
ret.safetyConfigs = [get_safety_config(car.CarParams.SafetyModel.hondaNidec)]
ret.enableGasInterceptor = 0x201 in fingerprint[0]
ret.openpilotLongitudinalControl = True
ret.pcmCruise = not ret.enableGasInterceptor
if candidate == CAR.CRV_5G:
ret.enableBsm = 0x12f8bfa7 in fingerprint[0]
# Detect Bosch cars with new HUD msgs
if any(0x33DA in f for f in fingerprint.values()):
ret.flags |= HondaFlags.BOSCH_EXT_HUD.value
# Accord 1.5T CVT has different gearbox message
if candidate == CAR.ACCORD and 0x191 in fingerprint[1]:
ret.transmissionType = TransmissionType.cvt
# Certain Hondas have an extra steering sensor at the bottom of the steering rack,
# which improves controls quality as it removes the steering column torsion from feedback.
# Tire stiffness factor fictitiously lower if it includes the steering column torsion effect.
# For modeling details, see p.198-200 in "The Science of Vehicle Dynamics (2014), M. Guiggiani"
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0], [0]]
ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[0.], [0.]]
ret.lateralTuning.pid.kf = 0.00006 # conservative feed-forward
if candidate in HONDA_BOSCH:
ret.longitudinalTuning.kpV = [0.25]
ret.longitudinalTuning.kiV = [0.05]
ret.longitudinalActuatorDelayUpperBound = 0.5 # s
if candidate in HONDA_BOSCH_RADARLESS:
ret.stopAccel = CarControllerParams.BOSCH_ACCEL_MIN # stock uses -4.0 m/s^2 once stopped but limited by safety model
else:
# default longitudinal tuning for all hondas
ret.longitudinalTuning.kpBP = [0., 5., 35.]
ret.longitudinalTuning.kpV = [1.2, 0.8, 0.5]
ret.longitudinalTuning.kiBP = [0., 35.]
ret.longitudinalTuning.kiV = [0.18, 0.12]
eps_modified = False
for fw in car_fw:
if fw.ecu == "eps" and b"," in fw.fwVersion:
eps_modified = True
if candidate == CAR.CIVIC:
ret.mass = 1326.
ret.wheelbase = 2.70
ret.centerToFront = ret.wheelbase * 0.4
ret.steerRatio = 15.38 # 10.93 is end-to-end spec
if eps_modified:
# stock request input values: 0x0000, 0x00DE, 0x014D, 0x01EF, 0x0290, 0x0377, 0x0454, 0x0610, 0x06EE
# stock request output values: 0x0000, 0x0917, 0x0DC5, 0x1017, 0x119F, 0x140B, 0x1680, 0x1680, 0x1680
# modified request output values: 0x0000, 0x0917, 0x0DC5, 0x1017, 0x119F, 0x140B, 0x1680, 0x2880, 0x3180
# stock filter output values: 0x009F, 0x0108, 0x0108, 0x0108, 0x0108, 0x0108, 0x0108, 0x0108, 0x0108
# modified filter output values: 0x009F, 0x0108, 0x0108, 0x0108, 0x0108, 0x0108, 0x0108, 0x0400, 0x0480
# note: max request allowed is 4096, but request is capped at 3840 in firmware, so modifications result in 2x max
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 2560, 8000], [0, 2560, 3840]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.3], [0.1]]
else:
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 2560], [0, 2560]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[1.1], [0.33]]
elif candidate in (CAR.CIVIC_BOSCH, CAR.CIVIC_BOSCH_DIESEL, CAR.CIVIC_2022):
ret.mass = 1326.
ret.wheelbase = 2.70
ret.centerToFront = ret.wheelbase * 0.4
ret.steerRatio = 15.38 # 10.93 is end-to-end spec
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]] # TODO: determine if there is a dead zone at the top end
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.8], [0.24]]
elif candidate in (CAR.ACCORD, CAR.ACCORDH):
ret.mass = 3279. * CV.LB_TO_KG
ret.wheelbase = 2.83
ret.centerToFront = ret.wheelbase * 0.39
ret.steerRatio = 16.33 # 11.82 is spec end-to-end
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]] # TODO: determine if there is a dead zone at the top end
ret.tireStiffnessFactor = 0.8467
if eps_modified:
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.3], [0.09]]
else:
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.6], [0.18]]
elif candidate == CAR.ACURA_ILX:
ret.mass = 3095. * CV.LB_TO_KG
ret.wheelbase = 2.67
ret.centerToFront = ret.wheelbase * 0.37
ret.steerRatio = 18.61 # 15.3 is spec end-to-end
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 3840], [0, 3840]] # TODO: determine if there is a dead zone at the top end
ret.tireStiffnessFactor = 0.72
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.8], [0.24]]
elif candidate in (CAR.CRV, CAR.CRV_EU):
ret.mass = 3572. * CV.LB_TO_KG
ret.wheelbase = 2.62
ret.centerToFront = ret.wheelbase * 0.41
ret.steerRatio = 16.89 # as spec
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 1000], [0, 1000]] # TODO: determine if there is a dead zone at the top end
ret.tireStiffnessFactor = 0.444
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.8], [0.24]]
ret.wheelSpeedFactor = 1.025
elif candidate == CAR.CRV_5G:
ret.mass = 3410. * CV.LB_TO_KG
ret.wheelbase = 2.66
ret.centerToFront = ret.wheelbase * 0.41
ret.steerRatio = 16.0 # 12.3 is spec end-to-end
if eps_modified:
# stock request input values: 0x0000, 0x00DB, 0x01BB, 0x0296, 0x0377, 0x0454, 0x0532, 0x0610, 0x067F
# stock request output values: 0x0000, 0x0500, 0x0A15, 0x0E6D, 0x1100, 0x1200, 0x129A, 0x134D, 0x1400
# modified request output values: 0x0000, 0x0500, 0x0A15, 0x0E6D, 0x1100, 0x1200, 0x1ACD, 0x239A, 0x2800
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 2560, 10000], [0, 2560, 3840]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.21], [0.07]]
else:
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 3840], [0, 3840]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.64], [0.192]]
ret.tireStiffnessFactor = 0.677
ret.wheelSpeedFactor = 1.025
elif candidate == CAR.CRV_HYBRID:
ret.mass = 1667. # mean of 4 models in kg
ret.wheelbase = 2.66
ret.centerToFront = ret.wheelbase * 0.41
ret.steerRatio = 16.0 # 12.3 is spec end-to-end
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]] # TODO: determine if there is a dead zone at the top end
ret.tireStiffnessFactor = 0.677
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.6], [0.18]]
ret.wheelSpeedFactor = 1.025
elif candidate == CAR.FIT:
ret.mass = 2644. * CV.LB_TO_KG
ret.wheelbase = 2.53
ret.centerToFront = ret.wheelbase * 0.39
ret.steerRatio = 13.06
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]] # TODO: determine if there is a dead zone at the top end
ret.tireStiffnessFactor = 0.75
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.2], [0.05]]
elif candidate == CAR.FREED:
ret.mass = 3086. * CV.LB_TO_KG
ret.wheelbase = 2.74
# the remaining parameters were copied from FIT
ret.centerToFront = ret.wheelbase * 0.39
ret.steerRatio = 13.06
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]]
ret.tireStiffnessFactor = 0.75
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.2], [0.05]]
elif candidate in (CAR.HRV, CAR.HRV_3G):
ret.mass = 3125 * CV.LB_TO_KG
ret.wheelbase = 2.61
ret.centerToFront = ret.wheelbase * 0.41
ret.steerRatio = 15.2
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]]
ret.tireStiffnessFactor = 0.5
if candidate == CAR.HRV:
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.16], [0.025]]
ret.wheelSpeedFactor = 1.025
else:
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.8], [0.24]] # TODO: can probably use some tuning
elif candidate == CAR.ACURA_RDX:
ret.mass = 3935. * CV.LB_TO_KG
ret.wheelbase = 2.68
ret.centerToFront = ret.wheelbase * 0.38
ret.steerRatio = 15.0 # as spec
ret.tireStiffnessFactor = 0.444
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 1000], [0, 1000]] # TODO: determine if there is a dead zone at the top end
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.8], [0.24]]
elif candidate == CAR.ACURA_RDX_3G:
ret.mass = 4068. * CV.LB_TO_KG
ret.wheelbase = 2.75
ret.centerToFront = ret.wheelbase * 0.41
ret.steerRatio = 11.95 # as spec
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 3840], [0, 3840]]
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.2], [0.06]]
ret.tireStiffnessFactor = 0.677
elif candidate in (CAR.ODYSSEY, CAR.ODYSSEY_CHN):
ret.mass = 1900.
ret.wheelbase = 3.00
ret.centerToFront = ret.wheelbase * 0.41
ret.steerRatio = 14.35 # as spec
ret.tireStiffnessFactor = 0.82
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.28], [0.08]]
if candidate == CAR.ODYSSEY_CHN:
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 32767], [0, 32767]] # TODO: determine if there is a dead zone at the top end
else:
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]] # TODO: determine if there is a dead zone at the top end
elif candidate == CAR.PILOT:
ret.mass = 4278. * CV.LB_TO_KG # average weight
ret.wheelbase = 2.86
ret.centerToFront = ret.wheelbase * 0.428
ret.steerRatio = 16.0 # as spec
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]] # TODO: determine if there is a dead zone at the top end
ret.tireStiffnessFactor = 0.444
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.38], [0.11]]
elif candidate == CAR.RIDGELINE:
ret.mass = 4515. * CV.LB_TO_KG
ret.wheelbase = 3.18
ret.centerToFront = ret.wheelbase * 0.41
ret.steerRatio = 15.59 # as spec
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]] # TODO: determine if there is a dead zone at the top end
ret.tireStiffnessFactor = 0.444
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.38], [0.11]]
elif candidate == CAR.INSIGHT:
ret.mass = 2987. * CV.LB_TO_KG
ret.wheelbase = 2.7
ret.centerToFront = ret.wheelbase * 0.39
ret.steerRatio = 15.0 # 12.58 is spec end-to-end
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]] # TODO: determine if there is a dead zone at the top end
ret.tireStiffnessFactor = 0.82
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.6], [0.18]]
elif candidate == CAR.HONDA_E:
ret.mass = 3338.8 * CV.LB_TO_KG
ret.wheelbase = 2.5
ret.centerToFront = ret.wheelbase * 0.5
ret.steerRatio = 16.71
ret.lateralParams.torqueBP, ret.lateralParams.torqueV = [[0, 4096], [0, 4096]] # TODO: determine if there is a dead zone at the top end
ret.tireStiffnessFactor = 0.82
ret.lateralTuning.pid.kpV, ret.lateralTuning.pid.kiV = [[0.6], [0.18]] # TODO: can probably use some tuning
else:
raise ValueError(f"unsupported car {candidate}")
# These cars use alternate user brake msg (0x1BE)
if candidate in HONDA_BOSCH_ALT_BRAKE_SIGNAL:
ret.safetyConfigs[0].safetyParam |= Panda.FLAG_HONDA_ALT_BRAKE
# These cars use alternate SCM messages (SCM_FEEDBACK AND SCM_BUTTON)
if candidate in HONDA_NIDEC_ALT_SCM_MESSAGES:
ret.safetyConfigs[0].safetyParam |= Panda.FLAG_HONDA_NIDEC_ALT
if ret.openpilotLongitudinalControl and candidate in HONDA_BOSCH:
ret.safetyConfigs[0].safetyParam |= Panda.FLAG_HONDA_BOSCH_LONG
if candidate in HONDA_BOSCH_RADARLESS:
ret.safetyConfigs[0].safetyParam |= Panda.FLAG_HONDA_RADARLESS
# min speed to enable ACC. if car can do stop and go, then set enabling speed
# to a negative value, so it won't matter. Otherwise, add 0.5 mph margin to not
# conflict with PCM acc
ret.autoResumeSng = candidate in (HONDA_BOSCH | {CAR.CIVIC}) or ret.enableGasInterceptor
ret.minEnableSpeed = -1. if ret.autoResumeSng else 25.5 * CV.MPH_TO_MS
ret.steerActuatorDelay = 0.1
ret.steerLimitTimer = 0.8
return ret
@staticmethod
def init(CP, logcan, sendcan):
if CP.carFingerprint in (HONDA_BOSCH - HONDA_BOSCH_RADARLESS) and CP.openpilotLongitudinalControl:
disable_ecu(logcan, sendcan, bus=1, addr=0x18DAB0F1, com_cont_req=b'\x28\x83\x03')
# returns a car.CarState
def _update(self, c):
ret = self.CS.update(self.cp, self.cp_cam, self.cp_body)
ret.buttonEvents = [
*create_button_events(self.CS.cruise_buttons, self.CS.prev_cruise_buttons, BUTTONS_DICT),
*create_button_events(self.CS.cruise_setting, self.CS.prev_cruise_setting, {1: ButtonType.altButton1}),
]
# events
events = self.create_common_events(ret, pcm_enable=False)
if self.CP.pcmCruise and ret.vEgo < self.CP.minEnableSpeed:
events.add(EventName.belowEngageSpeed)
if self.CP.pcmCruise:
# we engage when pcm is active (rising edge)
if ret.cruiseState.enabled and not self.CS.out.cruiseState.enabled:
events.add(EventName.pcmEnable)
elif not ret.cruiseState.enabled and (c.actuators.accel >= 0. or not self.CP.openpilotLongitudinalControl):
# it can happen that car cruise disables while comma system is enabled: need to
# keep braking if needed or if the speed is very low
if ret.vEgo < self.CP.minEnableSpeed + 2.:
# non loud alert if cruise disables below 25mph as expected (+ a little margin)
events.add(EventName.speedTooLow)
else:
events.add(EventName.cruiseDisabled)
if self.CS.CP.minEnableSpeed > 0 and ret.vEgo < 0.001:
events.add(EventName.manualRestart)
ret.events = events.to_msg()
return ret
# pass in a car.CarControl
# to be called @ 100hz
def apply(self, c, now_nanos):
return self.CC.update(c, self.CS, now_nanos)