beremiz: comparison modbus/mb

equal deleted inserted replaced

-:a0932a52e53b
+:1627d552f181
 */
 #include <stdio.h>
 #include <string.h>  /* required for memcpy() */
+#include <time.h>
+#include <signal.h>
 #include "mb_slave_and_master.h"
 #include "MB_%(locstr)s.h"
 #define MAX_MODBUS_ERROR_CODE 11
 	int period_nsec = (client_nodes[client_node_id].comm_period %%1000)*1000000; /* comm_period is in ms */
 	// Enable thread cancelation. Enabled is default, but set it anyway to be safe.
 	pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
-	// get the current time
+	// configure the timer for periodic activation
-	clock_gettime(CLOCK_MONOTONIC, &next_cycle);
+{
+struct itimerspec timerspec;
-	// loop the communication with the client
+timerspec.it_interval.tv_sec  = period_sec;
+timerspec.it_interval.tv_nsec = period_nsec;
+timerspec.it_value            = timerspec.it_interval;
+if (timer_settime(client_nodes[client_node_id].timer_id, 0 /* flags */, &timerspec, NULL) < 0)
+fprintf(stderr, "Modbus plugin: Error configuring periodic activation timer for Modbus client %%s.\n", client_nodes[client_node_id].location);
+}
+/* loop the communication with the client
+*
+* When the client thread has difficulty communicating with remote client and/or server (network issues, for example),
+* then the communications get delayed and we will fall behind in the period.
+*
+* This is OK. Note that if the condition variable were to be signaled multiple times while the client thread is inside the same
+* Modbus transaction, then all those signals would be ignored.
+* However, and since we keep the mutex locked during the communication cycle, it is not possible to signal the condition variable
+* during that time (it is only possible while the thread is blocked during the call to pthread_cond_wait().
+*
+* This means that when network issues eventually get resolved, we will NOT have a bunch of delayed activations to handle
+* in quick succession (which would goble up CPU time).
+*
+* Notice that the above property is valid whether the communication cycle is run with the mutex locked, or unlocked.
+* Since it makes it easier to implement the correct semantics for the other activation methods if the communication cycle
+* is run with the mutex locked, then that is what we do.
+*
+* Note that during all the communication cycle we will keep locked the mutex
+* (i.e. the mutex used together with the condition variable that will activate a new communication cycle)
+*
+* Note that we never get to explicitly unlock this mutex. It will only be unlocked by the pthread_cond_wait()
+* call at the end of the cycle.
+*/
+pthread_mutex_lock(&(client_nodes[client_node_id].mutex));
 	while (1) {
 		/*
 		struct timespec cur_time;
 		clock_gettime(CLOCK_MONOTONIC, &cur_time);
 		fprintf(stderr, "Modbus client thread - new cycle (%%ld:%%ld)!\n", cur_time.tv_sec, cur_time.tv_nsec);
 		*/
 		int req;
 		for (req=0; req < NUMBER_OF_CLIENT_REQTS; req ++){
-			/*just do the requests belonging to the client */
+			/* just do the requests belonging to the client */
 			if (client_requests[req].client_node_id != client_node_id)
 				continue;
+/* only do the request if:
+*   - this request was explictly asked to be executed by the client program
+*  OR
+*   - the client thread was activated periodically
+*     (in which case we execute all the requests belonging to the client node)
+*/
+if ((client_requests[req].flag_exec_req == 0) && (client_nodes[client_requests[req].client_node_id].periodic_act == 0))
+continue;
+//fprintf(stderr, "Modbus plugin: RUNNING<###> of Modbus request %%d  (periodic = %%d  flag_exec_req = %%d)\n",
+//        req, client_nodes[client_requests[req].client_node_id].periodic_act, client_requests[req].flag_exec_req );
 			int res_tmp = __execute_mb_request(req);
 			switch (res_tmp) {
 			  case PORT_FAILURE: {
 				if (res_tmp != client_nodes[client_node_id].prev_error)
 					fprintf(stderr, "Modbus plugin: Error connecting Modbus client %%s to remote server.\n", client_nodes[client_node_id].location);
 				client_nodes[client_node_id].prev_error = 0;
 				client_requests[req]        .prev_error = 0;
 				break;
 			  }
 			}
-		}
-		// Determine absolute time instant for starting the next cycle
+/* We have just finished excuting a client transcation request.
-		struct timespec prev_cycle, now;
+* If the current cycle was activated by user request we reset the flag used to ask to run it
-		prev_cycle = next_cycle;
+*/
-		timespec_add(next_cycle, period_sec, period_nsec);
+if (0 != client_requests[req].flag_exec_req) {
-		/* NOTE A:
+client_requests[req].flag_exec_req     = 0;
-		 * When we have difficulty communicating with remote client and/or server, then the communications get delayed and we will
+client_requests[req].flag_exec_started = 0;
-		 * fall behind in the period. This means that when communication is re-established we may end up running this loop continuously
+}
-		 * for some time until we catch up.
-		 * This is undesirable, so we detect it by making sure the next_cycle will start in the future.
+//fprintf(stderr, "Modbus plugin: RUNNING<---> of Modbus request %%d  (periodic = %%d  flag_exec_req = %%d)\n",
-		 * When this happens we will switch from a purely periodic task _activation_ sequence, to a fixed task suspension interval.
+//        req, client_nodes[client_requests[req].client_node_id].periodic_act, client_requests[req].flag_exec_req );
-		 *
+}
-		 * NOTE B:
-		 * It probably does not make sense to check for overflow of timer - so we don't do it for now!
+// Wait for signal (from timer or explicit request from user program) before starting the next cycle
-		 * Even in 32 bit systems this will take at least 68 years since the computer booted
+{
-		 * (remember, we are using CLOCK_MONOTONIC, which should start counting from 0
+// No need to lock the mutex. Is is already locked just before the while(1) loop.
-		 * every time the system boots). On 64 bit systems, it will take over
+// Read the comment there to understand why.
-		 * 10^11 years to overflow.
+// pthread_mutex_lock(&(client_nodes[client_node_id].mutex));
-		 */
-		clock_gettime(CLOCK_MONOTONIC, &now);
+/* the client thread has just finished a cycle, so all the flags used to signal an activation
-		if (  ((now.tv_sec > next_cycle.tv_sec) || ((now.tv_sec == next_cycle.tv_sec) && (now.tv_nsec > next_cycle.tv_nsec)))
+* and specify the activation source (periodic, user request, ...)
-		   /* We are falling behind. See NOTE A above */
+* get reset here, before waiting for a new activation.
-		   || (next_cycle.tv_sec < prev_cycle.tv_sec)
+*/
-		   /* Timer overflow. See NOTE B above */
+client_nodes[client_node_id].periodic_act = 0;
-		   ) {
+client_nodes[client_node_id].execute_req  = 0;
-			next_cycle = now;
-			timespec_add(next_cycle, period_sec, period_nsec);
+while (client_nodes[client_node_id].execute_req == 0)
-		}
+pthread_cond_wait(&(client_nodes[client_node_id].condv),
+&(client_nodes[client_node_id].mutex));
-		clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &next_cycle, NULL);
+// We run the communication cycle with the mutex locked.
+// Read the comment just above the while(1) to understand why.
+// pthread_mutex_unlock(&(client_nodes[client_node_id].mutex));
+}
 	}
 	// humour the compiler.
 	return NULL;
 }
+/* Function to activate a client node's thread */
+/* returns -1 if it could not send the signal */
+static int __signal_client_thread(int client_node_id) {
+/* We TRY to signal the client thread.
+* We do this because this function can be called at the end of the PLC scan cycle
+* and we don't want it to block at that time.
+*/
+if (pthread_mutex_trylock(&(client_nodes[client_node_id].mutex)) != 0)
+return -1;
+client_nodes[client_node_id].execute_req = 1; // tell the thread to execute
+pthread_cond_signal (&(client_nodes[client_node_id].condv));
+pthread_mutex_unlock(&(client_nodes[client_node_id].mutex));
+return 0;
+}
+/* Function that will be called whenever a client node's periodic timer expires. */
+/* The client node's thread will be waiting on a condition variable, so this function simply signals that
+* condition variable.
+*
+* The same callback function is called by the timers of all client nodes. The id of the client node
+* in question will be passed as a parameter to the call back function.
+*/
+void __client_node_timer_callback_function(union sigval sigev_value) {
+/* signal the client node's condition variable on which the client node's thread should be waiting... */
+/* Since the communication cycle is run with the mutex locked, we use trylock() instead of lock() */
+//pthread_mutex_lock  (&(client_nodes[sigev_value.sival_int].mutex));
+if (pthread_mutex_trylock (&(client_nodes[sigev_value.sival_int].mutex)) != 0)
+/* we never get to signal the thread for activation. But that is OK.
+* If it still in the communication cycle (during which the mutex is kept locked)
+* then that means that the communication cycle is falling behing in the periodic
+* communication cycle, and we therefore need to skip a period.
+*/
+return;
+client_nodes[sigev_value.sival_int].execute_req  = 1; // tell the thread to execute
+client_nodes[sigev_value.sival_int].periodic_act = 1; // tell the thread the activation was done by periodic timer
+pthread_cond_signal (&(client_nodes[sigev_value.sival_int].condv));
+pthread_mutex_unlock(&(client_nodes[sigev_value.sival_int].mutex));
+}
 int __cleanup_%(locstr)s ();
 int __init_%(locstr)s (int argc, char **argv){
 	int index;
-	for (index=0; index < NUMBER_OF_CLIENT_NODES;index++)
+	for (index=0; index < NUMBER_OF_CLIENT_NODES;index++) {
 		client_nodes[index].mb_nd = -1;
-	for (index=0; index < NUMBER_OF_SERVER_NODES;index++)
+/* see comment in mb_runtime.h to understad why we need to initialize these entries */
+switch (client_nodes[index].node_address.naf) {
+case naf_tcp:
+client_nodes[index].node_address.addr.tcp.host    = client_nodes[index].str1;
+client_nodes[index].node_address.addr.tcp.service = client_nodes[index].str2;
+break;
+case naf_rtu:
+client_nodes[index].node_address.addr.rtu.device  = client_nodes[index].str1;
+break;
+}
+}
+	for (index=0; index < NUMBER_OF_SERVER_NODES;index++) {
 		// mb_nd with negative numbers indicate how far it has been initialised (or not)
 		//   -2  --> no modbus node created;  no thread  created
 		//   -1  -->    modbus node created!; no thread  created
 		//  >=0  -->    modbus node created!;    thread  created!
 		server_nodes[index].mb_nd = -2;
+/* see comment in mb_runtime.h to understad why we need to initialize these entries */
+switch (server_nodes[index].node_address.naf) {
+case naf_tcp:
+server_nodes[index].node_address.addr.tcp.host    = server_nodes[index].str1;
+server_nodes[index].node_address.addr.tcp.service = server_nodes[index].str2;
+break;
+case naf_rtu:
+server_nodes[index].node_address.addr.rtu.device  = server_nodes[index].str1;
+break;
+}
+	}
 	/* modbus library init */
 	/* Note that TOTAL_xxxNODE_COUNT are the nodes required by _ALL_ the instances of the modbus
 	 *  extension currently in the user's project. This file (MB_xx.c) is handling only one instance,
 	 *  but must initialize the library for all instances. Only the first call to mb_slave_and_master_init()
 		// return imediately. Do NOT goto error_exit, as we did not get to
 		//  start the modbus library!
 		return -1;
 	}
-	/* init the mutex for each client request */
+	/* init each client request */
 	/* Must be done _before_ launching the client threads!! */
 	for (index=0; index < NUMBER_OF_CLIENT_REQTS; index ++){
+/* make sure flags connected to user program MB transaction start request are all reset */
+client_requests[index].flag_exec_req     = 0;
+client_requests[index].flag_exec_started = 0;
+/* init the mutex for each client request */
+/* Must be done _before_ launching the client threads!! */
 		if (pthread_mutex_init(&(client_requests[index].coms_buf_mutex), NULL)) {
 			fprintf(stderr, "Modbus plugin: Error initializing request for modbus client node %%s\n", client_nodes[client_requests[index].client_node_id].location);
 			goto error_exit;
 		}
 	}
 			fprintf(stderr, "Modbus plugin: Error creating modbus client node %%s\n", client_nodes[index].location);
 			goto error_exit;
 		}
 		client_nodes[index].init_state = 1; // we have created the node
+		/* initialize the mutex variable that will be used by the thread handling the client node */
+if (pthread_mutex_init(&(client_nodes[index].mutex), NULL) < 0) {
+			fprintf(stderr, "Modbus plugin: Error creating mutex for modbus client node %%s\n", client_nodes[index].location);
+			goto error_exit;
+}
+		client_nodes[index].init_state = 2; // we have created the mutex
+		/* initialize the condition variable that will be used by the thread handling the client node */
+if (pthread_cond_init(&(client_nodes[index].condv), NULL) < 0) {
+			fprintf(stderr, "Modbus plugin: Error creating condition variable for modbus client node %%s\n", client_nodes[index].location);
+			goto error_exit;
+}
+client_nodes[index].execute_req = 0; //variable associated with condition variable
+		client_nodes[index].init_state = 3; // we have created the condition variable
+		/* initialize the timer that will be used to periodically activate the client node */
+{
+// start off by reseting the flag that will be set whenever the timer expires
+client_nodes[index].periodic_act = 0;
+struct sigevent evp;
+evp.sigev_notify            = SIGEV_THREAD; /* Notification method - call a function in a new thread context */
+evp.sigev_value.sival_int   = index;        /* Data passed to function upon notification - used to indentify which client node to activate */
+evp.sigev_notify_function   = __client_node_timer_callback_function; /* function to call upon timer expiration */
+evp.sigev_notify_attributes = NULL;         /* attributes for new thread in which sigev_notify_function will be called/executed */
+if (timer_create(CLOCK_MONOTONIC, &evp, &(client_nodes[index].timer_id)) < 0) {
+fprintf(stderr, "Modbus plugin: Error creating timer for modbus client node %%s\n", client_nodes[index].location);
+goto error_exit;
+}
+}
+client_nodes[index].init_state = 4; // we have created the timer
 		/* launch a thread to handle this client node */
 		{
 			int res = 0;
 			pthread_attr_t attr;
 			res |= pthread_attr_init(&attr);
 			res |= pthread_create(&(client_nodes[index].thread_id), &attr, &__mb_client_thread, (void *)((char *)NULL + index));
 			if (res !=  0) {
-				fprintf(stderr, "Modbus plugin: Error starting modbus client thread for node %%s\n", client_nodes[index].location);
+				fprintf(stderr, "Modbus plugin: Error starting thread for modbus client node %%s\n", client_nodes[index].location);
 				goto error_exit;
 			}
 		}
-		client_nodes[index].init_state = 2; // we have created the node and a thread
+		client_nodes[index].init_state = 5; // we have created the thread
 	}
 	/* init each local server */
 	/* NOTE: All server_nodes[].init_state are initialised to 0 in the code
 	 *       generated by the modbus plugin
 void __publish_%(locstr)s (){
 	int index;
 	for (index=0; index < NUMBER_OF_CLIENT_REQTS; index ++){
-		/*just do the output requests */
+		/* synchronize the PLC and MB buffers only for the output requests */
 		if (client_requests[index].req_type == req_output){
+// lock the mutex brefore copying the data
 			if(pthread_mutex_trylock(&(client_requests[index].coms_buf_mutex)) == 0){
+// Check if user configured this MB request to be activated whenever the data to be written changes
+if (client_requests[index].write_on_change) {
+// Let's check if the data did change...
+// compare the data in plcv_buffer to coms_buffer
+int res;
+res = memcmp((void *)client_requests[index].coms_buffer /* buf 1 */,
+(void *)client_requests[index].plcv_buffer /* buf 2*/,
+REQ_BUF_SIZE * sizeof(u16) /* size in bytes */);
+// if data changed, activate execution request
+if (0 != res)
+client_requests[index].flag_exec_req = 1;
+}
 // copy from plcv_buffer to coms_buffer
 memcpy((void *)client_requests[index].coms_buffer /* destination */,
 (void *)client_requests[index].plcv_buffer /* source */,
 REQ_BUF_SIZE * sizeof(u16) /* size in bytes */);
 pthread_mutex_unlock(&(client_requests[index].coms_buf_mutex));
 }
 		}
-	}
+/* if the user program set the execution request flag, then activate the thread
+*  that handles this Modbus client transaction so it gets a chance to be executed
+*  (but don't activate the thread if it has already been activated!)
+*
+* NOTE that we do this, for both the IN and OUT mapped location, under this
+*  __publish_() function. The scan cycle of the PLC works as follows:
+*   - call __retrieve_()
+*   - execute user programs
+*   - call __publish_()
+*   - insert <delay> until time to start next periodic/cyclic scan cycle
+*
+*  In an attempt to be able to run the MB transactions during the <delay>
+*  interval in which not much is going on, we handle the user program
+*  requests to execute a specific MB transaction in this __publish_()
+*  function.
+*/
+if ((client_requests[index].flag_exec_req != 0) && (0 == client_requests[index].flag_exec_started)) {
+int client_node_id = client_requests[index].client_node_id;
+if (__signal_client_thread(client_node_id) >= 0) {
+/* - upon success, set flag_exec_started
+* - both flags (flag_exec_req and flag_exec_started) will be reset
+*   once the transaction has completed.
+*/
+client_requests[index].flag_exec_started = 1;
+}
+}
+}
 }
 	int res = 0;
 	/* kill thread and close connections of each modbus client node */
 	for (index=0; index < NUMBER_OF_CLIENT_NODES; index++) {
 		close = 0;
-		if (client_nodes[index].init_state >= 2) {
+		if (client_nodes[index].init_state >= 5) {
 			// thread was launched, so we try to cancel it!
 			close  = pthread_cancel(client_nodes[index].thread_id);
 			close |= pthread_join  (client_nodes[index].thread_id, NULL);
 			if (close < 0)
-				fprintf(stderr, "Modbus plugin: Error closing thread for modbus client %%s\n", client_nodes[index].location);
+				fprintf(stderr, "Modbus plugin: Error closing thread for modbus client node %%s\n", client_nodes[index].location);
+		}
+		res |= close;
+		close = 0;
+		if (client_nodes[index].init_state >= 4) {
+			// timer was created, so we try to destroy it!
+			close  = timer_delete(client_nodes[index].timer_id);
+			if (close < 0)
+				fprintf(stderr, "Modbus plugin: Error destroying timer for modbus client node %%s\n", client_nodes[index].location);
+		}
+		res |= close;
+		close = 0;
+		if (client_nodes[index].init_state >= 3) {
+			// condition variable was created, so we try to destroy it!
+			close  = pthread_cond_destroy(&(client_nodes[index].condv));
+			if (close < 0)
+				fprintf(stderr, "Modbus plugin: Error destroying condition variable for modbus client node %%s\n", client_nodes[index].location);
+		}
+		res |= close;
+		close = 0;
+		if (client_nodes[index].init_state >= 2) {
+			// mutex was created, so we try to destroy it!
+			close  = pthread_mutex_destroy(&(client_nodes[index].mutex));
+			if (close < 0)
+				fprintf(stderr, "Modbus plugin: Error destroying mutex for modbus client node %%s\n", client_nodes[index].location);
 		}
 		res |= close;
 		close = 0;
 		if (client_nodes[index].init_state >= 1) {
 	}
 	return res;
 }
+/**********************************************/
+/** Functions for Beremiz web interface.     **/
+/**********************************************/
+/*
+* Beremiz has a program to run on the PLC (Beremiz_service.py)
+* to handle downloading of compiled programs, start/stop of PLC, etc.
+* (see runtime/PLCObject.py for start/stop, loading, ...)
+*
+* This service also includes a web server to access PLC state (start/stop)
+* and to change some basic confiuration parameters.
+* (see runtime/NevowServer.py for the web server)
+*
+* The web server allows for extensions, where additional configuration
+* parameters may be changed on the running/downloaded PLC.
+* Modbus plugin also comes with an extension to the web server, through
+* which the basic Modbus plugin configuration parameters may be changed
+*
+* These parameters are changed _after_ the code (.so file) is loaded into
+* memmory. These changes may be applied before (or after) the code starts
+* running (i.e. before or after __init_() ets called)!
+*
+* The following functions are never called from other C code. They are
+* called instead from the python code in runtime/Modbus_config.py, that
+* implements the web server extension for configuring Modbus parameters.
+*/
+/* The number of Cient nodes (i.e. the number of entries in the client_nodes array)
+* The number of Server nodes (i.e. the numb. of entries in the server_nodes array)
+*
+* These variables are also used by the Modbus web config code to determine
+* whether the current loaded PLC includes the Modbus plugin
+* (so it should make the Modbus parameter web interface visible to the user).
+*/
+const int __modbus_plugin_client_node_count = NUMBER_OF_CLIENT_NODES;
+const int __modbus_plugin_server_node_count = NUMBER_OF_SERVER_NODES;
+const int __modbus_plugin_param_string_size = MODBUS_PARAM_STRING_SIZE;
+/* NOTE: We could have the python code in runtime/Modbus_config.py
+*       directly access the server_node_t and client_node_t structures,
+*       however this would create a tight coupling between these two
+*       disjoint pieces of code.
+*       Any change to the server_node_t or client_node_t structures would
+*       require the python code to be changed accordingly. I have therefore
+*       opted to create get/set functions, one for each parameter.
+*
+*       We also convert the enumerated constants naf_ascii, etc...
+*       (from node_addr_family_t in modbus/mb_addr.h)
+*       into strings so as to decouple the python code that will be calling
+*       these functions from the Modbus library code definitions.
+*/
+const char *addr_type_str[] = {
+[naf_ascii] = "ascii",
+[naf_rtu  ] = "rtu",
+[naf_tcp  ] = "tcp"
+};
+#define __safe_strcnpy(str_dest, str_orig, max_size) {  \
+strncpy(str_dest, str_orig, max_size);              \
+str_dest[max_size - 1] = '\0';                      \
+}
+/* NOTE: The host, port and device parameters are strings that may be changed
+*       (by calling the following functions) after loading the compiled code
+*       (.so file) into memory, but before the code starts running
+*       (i.e. before __init_() gets called).
+*       This means that the host, port and device parameters may be changed
+*       _before_ they get mapped onto the str1 and str2 variables by __init_(),
+*       which is why the following functions must access the str1 and str2
+*       parameters directly.
+*/
+const char *       __modbus_get_ClientNode_config_name(int nodeid)  {return client_nodes[nodeid].config_name;                    }
+const char *       __modbus_get_ClientNode_host       (int nodeid)  {return client_nodes[nodeid].str1;                           }
+const char *       __modbus_get_ClientNode_port       (int nodeid)  {return client_nodes[nodeid].str2;                           }
+const char *       __modbus_get_ClientNode_device     (int nodeid)  {return client_nodes[nodeid].str1;                           }
+int                __modbus_get_ClientNode_baud       (int nodeid)  {return client_nodes[nodeid].node_address.addr.rtu.baud;     }
+int                __modbus_get_ClientNode_parity     (int nodeid)  {return client_nodes[nodeid].node_address.addr.rtu.parity;   }
+int                __modbus_get_ClientNode_stop_bits  (int nodeid)  {return client_nodes[nodeid].node_address.addr.rtu.stop_bits;}
+u64                __modbus_get_ClientNode_comm_period(int nodeid)  {return client_nodes[nodeid].comm_period;                    }
+const char *       __modbus_get_ClientNode_addr_type  (int nodeid)  {return addr_type_str[client_nodes[nodeid].node_address.naf];}
+const char *       __modbus_get_ServerNode_config_name(int nodeid)  {return server_nodes[nodeid].config_name;                    }
+const char *       __modbus_get_ServerNode_host       (int nodeid)  {char*x=server_nodes[nodeid].str1; return (x[0]=='\0'?"#ANY#":x); }
+const char *       __modbus_get_ServerNode_port       (int nodeid)  {return server_nodes[nodeid].str2;                           }
+const char *       __modbus_get_ServerNode_device     (int nodeid)  {return server_nodes[nodeid].str1;                           }
+int                __modbus_get_ServerNode_baud       (int nodeid)  {return server_nodes[nodeid].node_address.addr.rtu.baud;     }
+int                __modbus_get_ServerNode_parity     (int nodeid)  {return server_nodes[nodeid].node_address.addr.rtu.parity;   }
+int                __modbus_get_ServerNode_stop_bits  (int nodeid)  {return server_nodes[nodeid].node_address.addr.rtu.stop_bits;}
+u8                 __modbus_get_ServerNode_slave_id   (int nodeid)  {return server_nodes[nodeid].slave_id;                       }
+const char *       __modbus_get_ServerNode_addr_type  (int nodeid)  {return addr_type_str[server_nodes[nodeid].node_address.naf];}
+void __modbus_set_ClientNode_host       (int nodeid, const char * value)  {__safe_strcnpy(client_nodes[nodeid].str1, value, MODBUS_PARAM_STRING_SIZE);}
+void __modbus_set_ClientNode_port       (int nodeid, const char * value)  {__safe_strcnpy(client_nodes[nodeid].str2, value, MODBUS_PARAM_STRING_SIZE);}
+void __modbus_set_ClientNode_device     (int nodeid, const char * value)  {__safe_strcnpy(client_nodes[nodeid].str1, value, MODBUS_PARAM_STRING_SIZE);}
+void __modbus_set_ClientNode_baud       (int nodeid, int          value)  {client_nodes[nodeid].node_address.addr.rtu.baud      = value;}
+void __modbus_set_ClientNode_parity     (int nodeid, int          value)  {client_nodes[nodeid].node_address.addr.rtu.parity    = value;}
+void __modbus_set_ClientNode_stop_bits  (int nodeid, int          value)  {client_nodes[nodeid].node_address.addr.rtu.stop_bits = value;}
+void __modbus_set_ClientNode_comm_period(int nodeid, u64          value)  {client_nodes[nodeid].comm_period                     = value;}
+void __modbus_set_ServerNode_host       (int nodeid, const char * value)  {if (strcmp(value,"#ANY#")==0) value = "";
+__safe_strcnpy(server_nodes[nodeid].str1, value, MODBUS_PARAM_STRING_SIZE);}
+void __modbus_set_ServerNode_port       (int nodeid, const char * value)  {__safe_strcnpy(server_nodes[nodeid].str2, value, MODBUS_PARAM_STRING_SIZE);}
+void __modbus_set_ServerNode_device     (int nodeid, const char * value)  {__safe_strcnpy(server_nodes[nodeid].str1, value, MODBUS_PARAM_STRING_SIZE);}
+void __modbus_set_ServerNode_baud       (int nodeid, int          value)  {server_nodes[nodeid].node_address.addr.rtu.baud      = value;}
+void __modbus_set_ServerNode_parity     (int nodeid, int          value)  {server_nodes[nodeid].node_address.addr.rtu.parity    = value;}
+void __modbus_set_ServerNode_stop_bits  (int nodeid, int          value)  {server_nodes[nodeid].node_address.addr.rtu.stop_bits = value;}
+void __modbus_set_ServerNode_slave_id   (int nodeid, u8           value)  {server_nodes[nodeid].slave_id                        = value;}

branch	svghmi
changeset 2982	1627d552f181
parent 2665	978cf239c689
child 2683	5d8a4deacfe1
child 2713	680ea4684209