beremiz

fix problem when Beremiz is running without matiec installed

2017-08-25, Andrey Skvortsov
492e2cd6157e
fix problem when Beremiz is running without matiec installed

set matiec settings only once on first use of ProjectController class and give
user-friendly message on compilation about missing matiec
installation.


Traceback (most recent call last):
File "Beremiz.py", line 197, in
beremiz.Start()
File "Beremiz.py", line 192, in Start
self.CreateApplication()
File "Beremiz.py", line 130, in CreateApplication
self.BackgroundInitialization()
File "Beremiz.py", line 137, in BackgroundInitialization
self.ImportModules()
File "Beremiz.py", line 176, in ImportModules
import BeremizIDE
File
"BeremizIDE.py", line 76, in
from ProjectController import ProjectController, GetAddMenuItems,
MATIEC_ERROR_MODEL, ITEM_CONFNODE
File
"ProjectController.py", line 177, in
iec2c_cfg = Iec2CSettings()
File
"ProjectController.py", line 101, in __init__
self.ieclib_c_path = self.findLibCPath()
File
"ProjectController.py", line 135, in findLibCPath
os.path.join(self.ieclib_path, "C"),
File "/usr/lib/python2.7/posixpath.py", line 70, in join
elif path == '' or path.endswith('/'):
AttributeError: 'NoneType' object has no attribute 'endswith'
/**
* 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);