modbus_server.c: Add print of modbus address

Log which incoming address the Modbus request has (but still act on all incoming requests) in server mode. This allows for better testing functionality when using the application in server mode. Signed-off-by: Joakim Roubert <joakim.roubert@gmail.com>
AxisCommunications · Dec 16, 2024 · 822e8a9 · 822e8a9
1 parent e2de73d
commit 822e8a9
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diff --git a/manifest.json b/manifest.json
@@ -7,7 +7,7 @@
             "vendor": "Axis Communications AB",
             "embeddedSdkVersion": "3.0",
             "runMode": "respawn",
-            "version": "1.2.3"
+            "version": "1.2.4"
         },
         "configuration": {
             "settingPage": "config.html",

diff --git a/modbus_server.c b/modbus_server.c
@@ -119,6 +119,8 @@ static void *run_modbus_server(void *run)
                 rlen);
             break;
         }
+        guint16 address = (req[8] << 8) | req[9];
+        LOG_I("%s/%s: Received request on address %d", __FILE__, __FUNCTION__, address);
         if (MODBUS_FC_WRITE_SINGLE_COIL == req[7])
         {
             LOG_I(
-Original file line number
+Diff line change
@@ Expand Up / @@ -119,6 +119,8 @@ static void *run_modbus_server(void *run) @@
                     rlen);
                 break;
             }
+            guint16 address = (req[8] << 8) | req[9];
+            LOG_I("%s/%s: Received request on address %d", __FILE__, __FUNCTION__, address);
             if (MODBUS_FC_WRITE_SINGLE_COIL == req[7])
             {
                 LOG_I(
@@ Expand Down @@