Simex
C++ Simulink S-Function Framework
Usage
Follow the sample projects in example and test.
CMakeLists.txt
project(SimexExample)
cmake_minimum_required(VERSION 3.14)
add_compile_definitions(S_FUNCTION_NAME=SimexExample) # 1. Define the S_FUNCTION_NAME the same as the target name
include(../CMakeLists.txt) # 2. include the project cmake file
include_directories(${SIMEX_INCLUDES}) # 3. include headers
set(SOURCES SimexExampleBlock.cpp)
set(CMAKE_BUILD_TYPE Debug)
matlab_add_mex(
NAME SimexExample # 4. set the target name
SRC ${SIMEX_SOURCES} ${SOURCES} # 5. include all sources
LINK_TO ${Matlab_MEX_LIBRARY}
)C++ Implementation
#include "block.h" // 1. include the header
class SimexExampleBlock : public Block { // 2. inherit the Block class
public: // 3. implement the constructor, destructor, and callbacks.
explicit SimexExampleBlock(SimStruct &S) : Block(S) {
ssPrintf("Block created\n");
int dim[] = {1};
registerInputPort(SS_DOUBLE, 1, dim, COMPLEX_NO, FRAME_NO, true); // 4. register input, output, and parameters
registerOutputPort(SS_DOUBLE, 1, dim, COMPLEX_NO, FRAME_NO);
}
~SimexExampleBlock() override {
ssPrintf("Block destroyed\n");
}
void onInitializeRuntime() override {
Block::onInitializeRuntime();
}
void onStart() override {
}
void onTerminate() override {
}
void onUpdate() override {
}
void onOutput() override {
OUTPUTPORT_TARGET(outputPorts[0], double*) = INPUTPORT_TARGET(inputPorts[0], double*) * 2; // 5. use macro INPUTPORT_TARGET to access the port data
}
};