targets/plc_main_head.c
author Edouard Tisserant <edouard.tisserant@gmail.com>
Sun, 14 Feb 2021 05:22:30 +0100
branchsvghmi
changeset 3139 1f5ca646ce6e
parent 2503 6ffeffb6d635
child 3947 9b5cb90297e4
permissions -rw-r--r--
SVGHMI: Add inhibition to widget's apply_hmi_value() so that it does not change variable more frquently than given widget's frequency. This prevents flooding network with many update if browser is producing events at high rate, as for exemple when dragging ScrollBar's cursor.
/**
 * Head of code common to all C targets
 **/

#include "beremiz.h"
#include <string.h>
/*
 * Prototypes of functions provided by generated C softPLC
 **/
void config_run__(unsigned long tick);
void config_init__(void);

/*
 * Prototypes of functions provided by generated target C code
 * */
long long AtomicCompareExchange64(long long*, long long, long long);
void __init_debug(void);
void __cleanup_debug(void);
/*void __retrieve_debug(void);*/
void __publish_debug(void);

/*
 *  Variables used by generated C softPLC and plugins
 **/
IEC_TIME __CURRENT_TIME;
IEC_BOOL __DEBUG = 0;
unsigned long __tick = 0;
char *PLC_ID = NULL;

/*
 *  Variable generated by C softPLC and plugins
 **/
extern unsigned long greatest_tick_count__;

/* Help to quit cleanly when init fail at a certain level */
static int init_level = 0;

/*
 * Prototypes of functions exported by plugins
 **/
%(calls_prototypes)s

/*
 * Retrieve input variables, run PLC and publish output variables
 **/
void __run(void)
{
    __tick++;
    if (greatest_tick_count__)
        __tick %%= greatest_tick_count__;

    %(retrieve_calls)s

    /*__retrieve_debug();*/

    config_run__(__tick);

    __publish_debug();

    %(publish_calls)s

}

/*
 * Initialize variables according to PLC's default values,
 * and then init plugins with that values
 **/
int __init(int argc,char **argv)
{
    int res = 0;
    init_level = 0;
    
    /* Effective tick time with 1ms default value */
    if(!common_ticktime__)
        common_ticktime__ = 1000000;

    config_init__();
    __init_debug();
    %(init_calls)s
    return res;
}
/*
 * Calls plugin cleanup proc.
 **/
void __cleanup(void)
{
    %(cleanup_calls)s
    __cleanup_debug();
}

void PLC_GetTime(IEC_TIME *CURRENT_TIME);
void PLC_SetTimer(unsigned long long next, unsigned long long period);