From b69499ba65be1f46872b20e40d88cfef20cc41b2 Mon Sep 17 00:00:00 2001
From: hxy7yx <1595670487@qq.com>
Date: Fri, 29 Mar 2024 11:07:55 +0800
Subject: [PATCH] determine whether tag set endianness

---
 include/neuron/tag.h      |  1 +
 src/base/tag.c            | 15 ++++++++++-----
 tests/ft/neuron/api.py    | 12 ++++++++++++
 tests/ft/neuron/config.py |  5 +++++
 4 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/include/neuron/tag.h b/include/neuron/tag.h
index 606e885f..044ee05c 100644
--- a/include/neuron/tag.h
+++ b/include/neuron/tag.h
@@ -59,6 +59,7 @@ typedef union {
     } value16;
     struct {
         neu_datatag_endian_e endian;
+        bool                 is_default;
     } value32;
     struct {
         neu_datatag_endian_e endian;
diff --git a/src/base/tag.c b/src/base/tag.c
index 9fb29601..645a1fe0 100644
--- a/src/base/tag.c
+++ b/src/base/tag.c
@@ -213,7 +213,8 @@ int neu_datatag_parse_addr_option(const neu_datatag_t *      datatag,
     case NEU_TYPE_UINT32: {
         char *op = find_last_character(datatag->address, '#');
 
-        option->value32.endian = NEU_DATATAG_ENDIAN_LL32;
+        option->value32.endian     = NEU_DATATAG_ENDIAN_LL32;
+        option->value32.is_default = true;
         if (op != NULL) {
             char e1 = 0;
             char e2 = 0;
@@ -221,16 +222,20 @@ int neu_datatag_parse_addr_option(const neu_datatag_t *      datatag,
 
             if (n == 2) {
                 if (e1 == 'B' && e2 == 'B') {
-                    option->value32.endian = NEU_DATATAG_ENDIAN_BB32;
+                    option->value32.endian     = NEU_DATATAG_ENDIAN_BB32;
+                    option->value32.is_default = false;
                 }
                 if (e1 == 'B' && e2 == 'L') {
-                    option->value32.endian = NEU_DATATAG_ENDIAN_BL32;
+                    option->value32.endian     = NEU_DATATAG_ENDIAN_BL32;
+                    option->value32.is_default = false;
                 }
                 if (e1 == 'L' && e2 == 'L') {
-                    option->value32.endian = NEU_DATATAG_ENDIAN_LL32;
+                    option->value32.endian     = NEU_DATATAG_ENDIAN_LL32;
+                    option->value32.is_default = false;
                 }
                 if (e1 == 'L' && e2 == 'B') {
-                    option->value32.endian = NEU_DATATAG_ENDIAN_LB32;
+                    option->value32.endian     = NEU_DATATAG_ENDIAN_LB32;
+                    option->value32.is_default = false;
                 }
             }
         }
diff --git a/tests/ft/neuron/api.py b/tests/ft/neuron/api.py
index 2a6df7a0..1a687070 100644
--- a/tests/ft/neuron/api.py
+++ b/tests/ft/neuron/api.py
@@ -318,6 +318,18 @@ def modbus_rtu_node_setting(node, port=502, connection_mode=0, transport_mode=0,
                                     "parity": parity, "baud": baud, "data": data})
 
 
+def modbus_tcp_node_setting_endian(node, port, connection_mode=0, transport_mode=0, interval=0, host='127.0.0.1', timeout=3000, max_retries=2, endianness=1):
+    return node_setting(node, json={"connection_mode": connection_mode, "transport_mode": transport_mode, "interval": interval,
+                                    "host": host, "port": port, "timeout": timeout, "max_retries": max_retries, "endianess": endianness})
+
+
+def modbus_rtu_node_setting_endian(node, port=502, connection_mode=0, transport_mode=0, interval=0, host='127.0.0.1', timeout=3000, max_retries=2, link=1, device="", stop=0, parity=0, baud=4, data=3, endianness=1):
+    return node_setting(node, json={"connection_mode": connection_mode, "transport_mode": transport_mode,
+                                    "interval": interval, "host": host, "port": port, "timeout": timeout,
+                                    "max_retries": max_retries, "link": link, "device": device, "stop": stop,
+                                    "parity": parity, "baud": baud, "data": data, "endianess": endianness})
+
+
 def mqtt_node_setting(node):
     return node_setting(node, json={"client-id": "neuron_aBcDeF", "qos": 0, "format": 0,
                                     "write-req-topic": f"/neuron/{node}/write/req", "write-resp-topic": f"/neuron/{node}/write/resp",
diff --git a/tests/ft/neuron/config.py b/tests/ft/neuron/config.py
index e62d3c88..b4e7254e 100644
--- a/tests/ft/neuron/config.py
+++ b/tests/ft/neuron/config.py
@@ -68,6 +68,11 @@ NEU_DATA_6 = 1
 NEU_DATA_7 = 2
 NEU_DATA_8 = 3
 
+ENDIAN_ABCD = 1,
+ENDIAN_BADC = 2,
+ENDIAN_DCBA = 3,
+ENDIAN_CDAB = 4,
+
 PLUGIN_MODBUS_TCP = "Modbus TCP"
 PLUGIN_MODBUS_RTU = "Modbus RTU"
 PLUGIN_MQTT = "MQTT"