dragonpilot - 基於 openpilot 的開源駕駛輔助系統
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.
 
 
 
 
 
 

139 lines
5.1 KiB

#
# Copyright 2019 Gianluca Frison, Dimitris Kouzoupis, Robin Verschueren,
# Andrea Zanelli, Niels van Duijkeren, Jonathan Frey, Tommaso Sartor,
# Branimir Novoselnik, Rien Quirynen, Rezart Qelibari, Dang Doan,
# Jonas Koenemann, Yutao Chen, Tobias Schöls, Jonas Schlagenhauf, Moritz Diehl
#
# This file is part of acados.
#
# The 2-Clause BSD License
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.;
#
import os
from casadi import *
from .utils import ALLOWED_CASADI_VERSIONS, is_empty, casadi_length, casadi_version_warning
def generate_c_code_implicit_ode( model, opts ):
casadi_version = CasadiMeta.version()
casadi_opts = dict(mex=False, casadi_int='int', casadi_real='double')
if casadi_version not in (ALLOWED_CASADI_VERSIONS):
casadi_version_warning(casadi_version)
generate_hess = opts["generate_hess"]
code_export_dir = opts["code_export_directory"]
## load model
x = model.x
xdot = model.xdot
u = model.u
z = model.z
p = model.p
f_impl = model.f_impl_expr
model_name = model.name
## get model dimensions
nx = casadi_length(x)
nu = casadi_length(u)
nz = casadi_length(z)
## generate jacobians
jac_x = jacobian(f_impl, x)
jac_xdot = jacobian(f_impl, xdot)
jac_u = jacobian(f_impl, u)
jac_z = jacobian(f_impl, z)
## generate hessian
x_xdot_z_u = vertcat(x, xdot, z, u)
if isinstance(x, casadi.MX):
symbol = MX.sym
else:
symbol = SX.sym
multiplier = symbol('multiplier', nx + nz)
ADJ = jtimes(f_impl, x_xdot_z_u, multiplier, True)
HESS = jacobian(ADJ, x_xdot_z_u)
## Set up functions
p = model.p
fun_name = model_name + '_impl_dae_fun'
impl_dae_fun = Function(fun_name, [x, xdot, u, z, p], [f_impl])
fun_name = model_name + '_impl_dae_fun_jac_x_xdot_z'
impl_dae_fun_jac_x_xdot_z = Function(fun_name, [x, xdot, u, z, p], [f_impl, jac_x, jac_xdot, jac_z])
# fun_name = model_name + '_impl_dae_fun_jac_x_xdot_z'
# impl_dae_fun_jac_x_xdot = Function(fun_name, [x, xdot, u, z, p], [f_impl, jac_x, jac_xdot, jac_z])
# fun_name = model_name + '_impl_dae_jac_x_xdot_u'
# impl_dae_jac_x_xdot_u = Function(fun_name, [x, xdot, u, z, p], [jac_x, jac_xdot, jac_u, jac_z])
fun_name = model_name + '_impl_dae_fun_jac_x_xdot_u_z'
impl_dae_fun_jac_x_xdot_u_z = Function(fun_name, [x, xdot, u, z, p], [f_impl, jac_x, jac_xdot, jac_u, jac_z])
fun_name = model_name + '_impl_dae_fun_jac_x_xdot_u'
impl_dae_fun_jac_x_xdot_u = Function(fun_name, [x, xdot, u, z, p], [f_impl, jac_x, jac_xdot, jac_u])
fun_name = model_name + '_impl_dae_jac_x_xdot_u_z'
impl_dae_jac_x_xdot_u_z = Function(fun_name, [x, xdot, u, z, p], [jac_x, jac_xdot, jac_u, jac_z])
fun_name = model_name + '_impl_dae_hess'
impl_dae_hess = Function(fun_name, [x, xdot, u, z, multiplier, p], [HESS])
# generate C code
if not os.path.exists(code_export_dir):
os.makedirs(code_export_dir)
cwd = os.getcwd()
os.chdir(code_export_dir)
model_dir = model_name + '_model'
if not os.path.exists(model_dir):
os.mkdir(model_dir)
model_dir_location = os.path.join('.', model_dir)
os.chdir(model_dir_location)
fun_name = model_name + '_impl_dae_fun'
impl_dae_fun.generate(fun_name, casadi_opts)
fun_name = model_name + '_impl_dae_fun_jac_x_xdot_z'
impl_dae_fun_jac_x_xdot_z.generate(fun_name, casadi_opts)
fun_name = model_name + '_impl_dae_jac_x_xdot_u_z'
impl_dae_jac_x_xdot_u_z.generate(fun_name, casadi_opts)
fun_name = model_name + '_impl_dae_fun_jac_x_xdot_u_z'
impl_dae_fun_jac_x_xdot_u_z.generate(fun_name, casadi_opts)
fun_name = model_name + '_impl_dae_fun_jac_x_xdot_u'
impl_dae_fun_jac_x_xdot_u.generate(fun_name, casadi_opts)
if generate_hess:
fun_name = model_name + '_impl_dae_hess'
impl_dae_hess.generate(fun_name, casadi_opts)
os.chdir(cwd)