modbus default port is 502

docs/modbus_new_tcp.md

@@ -41,7 +41,7 @@ defined below.
 ```c
 modbus_t *ctx;
 
-ctx = modbus_new_tcp("127.0.0.1", 1502);
+ctx = modbus_new_tcp("127.0.0.1", 502);
 if (ctx == NULL) {
     fprintf(stderr, "Unable to allocate libmodbus context\n");
     return -1;

docs/modbus_new_tcp_pi.md

@@ -42,7 +42,7 @@ defined below.
 ```c
 modbus_t *ctx;
 
-ctx = modbus_new_tcp_pi("::1", "1502");
+ctx = modbus_new_tcp_pi("::1", "502");
 if (ctx == NULL) {
     fprintf(stderr, "Unable to allocate libmodbus context\n");
     return -1;

docs/modbus_read_registers.md

@@ -38,7 +38,7 @@ uint16_t tab_reg[64];
 int rc;
 int i;
 
-ctx = modbus_new_tcp("127.0.0.1", 1502);
+ctx = modbus_new_tcp("127.0.0.1", 502);
 if (modbus_connect(ctx) == -1) {
     fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
     modbus_free(ctx);

docs/modbus_send_raw_request.md

@@ -38,7 +38,7 @@ uint8_t raw_req[] = { 0xFF, MODBUS_FC_READ_HOLDING_REGISTERS, 0x00, 0x01, 0x0, 0
 int req_length;
 uint8_t rsp[MODBUS_TCP_MAX_ADU_LENGTH];
 
-ctx = modbus_new_tcp("127.0.0.1", 1502);
+ctx = modbus_new_tcp("127.0.0.1", 502);
 if (modbus_connect(ctx) == -1) {
     fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
     modbus_free(ctx);

docs/modbus_send_raw_request_tid.md

@@ -40,7 +40,7 @@ uint8_t raw_req[] = { 0xFF, MODBUS_FC_READ_HOLDING_REGISTERS, 0x00, 0x01, 0x0, 0
 int req_length;
 uint8_t rsp[MODBUS_TCP_MAX_ADU_LENGTH];
 
-ctx = modbus_new_tcp("127.0.0.1", 1502);
+ctx = modbus_new_tcp("127.0.0.1", 502);
 if (modbus_connect(ctx) == -1) {
     fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
     modbus_free(ctx);

docs/modbus_set_socket.md

@@ -23,7 +23,7 @@ The function shall return 0 if successful. Otherwise it shall return -1 and set
 ## Example
 
 ```c
-ctx = modbus_new_tcp("127.0.0.1", 1502);
+ctx = modbus_new_tcp("127.0.0.1", 502);
 server_socket = modbus_tcp_listen(ctx, NB_CONNECTION);
 
 FD_ZERO(&rdset);

tests/Makefile.am

@@ -8,7 +8,9 @@ noinst_PROGRAMS = \
 	random-test-client \
 	unit-test-server \
 	unit-test-client \
-	version
+	version \
+	pv_invertor_simulation \
+	substation_simulation
 
 common_ldflags = \
 	$(top_builddir)/src/libmodbus.la
@@ -34,6 +36,12 @@ unit_test_server_LDADD = $(common_ldflags)
 unit_test_client_SOURCES = unit-test-client.c unit-test.h
 unit_test_client_LDADD = $(common_ldflags)
 
+pv_invertor_simulation_SOURCES = pv-invertor-simulation.c
+pv_invertor_simulation_LDADD = $(common_ldflags)
+
+substation_simulation_SOURCES = substation-simulation.c
+substation_simulation_LDADD = $(common_ldflags)
+
 version_SOURCES = version.c
 version_LDADD = $(common_ldflags)
 

tests/README.md

@@ -14,7 +14,7 @@ For example, to compile random-test-server run:
 
 - `random-test-server` is necessary to launch a server before running
 random-test-client. By default, it receives and replies to Modbus query on the
-localhost and port 1502.
+localhost and port 502.
 
 - `random-test-client` sends many different queries to a large range of
 addresses and values to test the communication between the client and the

tests/bandwidth-client.c

@@ -70,7 +70,7 @@ int main(int argc, char *argv[])
     }
 
     if (use_backend == TCP) {
-        ctx = modbus_new_tcp("127.0.0.1", 1502);
+        ctx = modbus_new_tcp("127.0.0.1", 502);
     } else {
         ctx = modbus_new_rtu("/dev/ttyUSB1", 115200, 'N', 8, 1);
         modbus_set_slave(ctx, 1);

tests/bandwidth-server-many-up.c

@@ -50,7 +50,7 @@ int main(void)
     /* Maximum file descriptor number */
     int fdmax;
 
-    ctx = modbus_new_tcp("127.0.0.1", 1502);
+    ctx = modbus_new_tcp("127.0.0.1", 502);
 
     mb_mapping =
         modbus_mapping_new(MODBUS_MAX_READ_BITS, 0, MODBUS_MAX_READ_REGISTERS, 0);

tests/bandwidth-server-one.c

@@ -48,7 +48,7 @@ int main(int argc, char *argv[])
     }
 
     if (use_backend == TCP) {
-        ctx = modbus_new_tcp("127.0.0.1", 1502);
+        ctx = modbus_new_tcp("127.0.0.1", 502);
         s = modbus_tcp_listen(ctx, 1);
         modbus_tcp_accept(ctx, &s);