I was wondering whether it is possible to simulate the C function in Simulink using the C caller block if the C function does not have direct parameters and return-values?
The "Read-in" of the function parameters and "Write-out" of the function return values are happened via the call of external read/write functions inside of the main C function body.
Example (body of C_function.c file)
#include "Read_Write_function_declarations.h"
void Main_C_function (void)
{
uint8 value1, value2;
(void)Read_value1(&value1); /* this read-in function is declared in the abovementioned header-file */
value2 = value1 * 2 + 15u;
(void)Write_value2(value2); /* this write-out function is declared in the abovementioned header-file */
}
In the C caller block I would like to parse the Main_C_function and simulate it by providing the input to "value1" and displaying the calculated "value2". Unfortunately the C caller block after the parsing (Main_C_function selected) does not have any input/output ports available for connection in the Simulink. Probably it is due to the missing function parameters and return values.
The question is whether there is a way around to parse such function so that the parameters "value1" and "value2" are appeared as ports in the C caller block for connection?
The example above is just an overview of the current problem. In the reality the function is more complicated. I haven't compiled the example C file so some compilation mistakes/warnings could be possible.
