nopenpilot/pyextra/acados_template/c_templates_tera/acados_sim_solver_sfun.in.c

234 lines
7.1 KiB
C

/*
* 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.;
*/
#define S_FUNCTION_NAME acados_sim_solver_sfunction_{{ model.name }}
#define S_FUNCTION_LEVEL 2
#define MDL_START
// acados
// #include "acados/utils/print.h"
#include "acados_c/ocp_nlp_interface.h"
#include "acados_c/external_function_interface.h"
// example specific
#include "{{ model.name }}_model/{{ model.name }}_model.h"
#include "acados_sim_solver_{{ model.name }}.h"
#include "simstruc.h"
#define SAMPLINGTIME {{ solver_options.Tsim }}
static void mdlInitializeSizes (SimStruct *S)
{
// specify the number of continuous and discrete states
ssSetNumContStates(S, 0);
ssSetNumDiscStates(S, 0);
{# compute number of input ports #}
{%- set n_inputs = 1 %} {# x0 #}
{%- if dims.nu > 0 %} {# u0 -#}
{%- set n_inputs = n_inputs + 1 -%}
{%- endif %}
{%- if dims.np > 0 %} {# parameters #}
{%- set n_inputs = n_inputs + 1 -%}
{%- endif %}
// specify the number of input ports
if ( !ssSetNumInputPorts(S, {{ n_inputs }}) )
return;
// specify the number of output ports
if ( !ssSetNumOutputPorts(S, 1) )
return;
// specify dimension information for the input ports
{%- set i_input = 0 %}
// x0
ssSetInputPortVectorDimension(S, {{ i_input }}, {{ dims.nx }});
{%- if dims.nu > 0 %}
{%- set i_input = i_input + 1 %}
// u0
ssSetInputPortVectorDimension(S, {{ i_input }}, {{ dims.nu }});
{%- endif %}
{%- if dims.np > 0 %}
{%- set i_input = i_input + 1 %}
// parameters
ssSetInputPortVectorDimension(S, {{ i_input }}, {{ dims.np }});
{%- endif %}
// specify dimension information for the output ports
ssSetOutputPortVectorDimension(S, 0, {{ dims.nx }} ); // xnext
// specify the direct feedthrough status
// should be set to 1 for all inputs used in mdlOutputs
{%- for i in range(end=n_inputs) %}
ssSetInputPortDirectFeedThrough(S, {{ i }}, 1);
{%- endfor %}
// one sample time
ssSetNumSampleTimes(S, 1);
}
#if defined(MATLAB_MEX_FILE)
#define MDL_SET_INPUT_PORT_DIMENSION_INFO
#define MDL_SET_OUTPUT_PORT_DIMENSION_INFO
static void mdlSetInputPortDimensionInfo(SimStruct *S, int_T port, const DimsInfo_T *dimsInfo)
{
if ( !ssSetInputPortDimensionInfo(S, port, dimsInfo) )
return;
}
static void mdlSetOutputPortDimensionInfo(SimStruct *S, int_T port, const DimsInfo_T *dimsInfo)
{
if ( !ssSetOutputPortDimensionInfo(S, port, dimsInfo) )
return;
}
#endif /* MATLAB_MEX_FILE */
static void mdlInitializeSampleTimes(SimStruct *S)
{
ssSetSampleTime(S, 0, SAMPLINGTIME);
ssSetOffsetTime(S, 0, 0.0);
}
static void mdlStart(SimStruct *S)
{
sim_solver_capsule *capsule = {{ model.name }}_acados_sim_solver_create_capsule();
{{ model.name }}_acados_sim_create(capsule);
ssSetUserData(S, (void*)capsule);
}
static void mdlOutputs(SimStruct *S, int_T tid)
{
sim_solver_capsule *capsule = ssGetUserData(S);
sim_config *acados_sim_config = {{ model.name }}_acados_get_sim_config(capsule);
sim_in *acados_sim_in = {{ model.name }}_acados_get_sim_in(capsule);
sim_out *acados_sim_out = {{ model.name }}_acados_get_sim_out(capsule);
void *acados_sim_dims = {{ model.name }}_acados_get_sim_dims(capsule);
// sim_opts * {{ model.name }}_acados_get_sim_opts(capsule);
// sim_solver * {{ model.name }}_acados_get_sim_solver(capsule);
InputRealPtrsType in_sign;
{% set input_sizes = [dims.nx, dims.nu, dims.np] %}
// local buffer
{%- set buffer_size = input_sizes | sort | last %}
real_t buffer[{{ buffer_size }}];
/* go through inputs */
{%- set i_input = 0 %}
// initial condition
in_sign = ssGetInputPortRealSignalPtrs(S, {{ i_input }});
for (int i = 0; i < {{ dims.nx }}; i++)
buffer[i] = (double)(*in_sign[i]);
sim_in_set(acados_sim_config, acados_sim_dims,
acados_sim_in, "x", buffer);
// ssPrintf("\nin acados sim:\n");
// for (int i = 0; i < {{ dims.nx }}; i++) ssPrintf("x0[%d] = %f\n", i, buffer[i]);
// ssPrintf("\n");
{% if dims.nu > 0 %}
// control input - u
{%- set i_input = i_input + 1 %}
in_sign = ssGetInputPortRealSignalPtrs(S, {{ i_input }});
for (int i = 0; i < {{ dims.nu }}; i++)
buffer[i] = (double)(*in_sign[i]);
sim_in_set(acados_sim_config, acados_sim_dims,
acados_sim_in, "u", buffer);
{%- endif %}
{% if dims.np > 0 %}
// parameters
{%- set i_input = i_input + 1 %}
in_sign = ssGetInputPortRealSignalPtrs(S, {{ i_input }});
for (int i = 0; i < {{ dims.np }}; i++)
buffer[i] = (double)(*in_sign[i]);
// update value of parameters
{{ model.name }}_acados_sim_update_params(capsule, buffer, {{ dims.np }});
{%- endif %}
/* call solver */
int acados_status = {{ model.name }}_acados_sim_solve(capsule);
/* set outputs */
real_t *out_x = ssGetOutputPortRealSignal(S, 0);
// get simulated state
sim_out_get(acados_sim_config, acados_sim_dims, acados_sim_out,
"xn", (void *) out_x);
// ssPrintf("\nacados sim solve: returned %d\n", acados_status);
// for (int i = 0; i < {{ dims.nx }}; i++) ssPrintf("x_sim[%d] = %f\n", i, out_x[i]);
// ssPrintf("\n");
}
static void mdlTerminate(SimStruct *S)
{
sim_solver_capsule *capsule = ssGetUserData(S);
{{ model.name }}_acados_sim_free(capsule);
{{ model.name }}_acados_sim_solver_free_capsule(capsule);
}
#ifdef MATLAB_MEX_FILE
#include "simulink.c"
#else
#include "cg_sfun.h"
#endif