<修改> 1、拉分支，此分支着重由AI调整。

2、将参数定值的最大最小值、步长、单位等信息统一到参数定值文件中，各模块仅注册短地址与数据地址，其他由数据中心统一操作

release/inc/myDatacenter.h

@@ -66,7 +66,7 @@ int dc_signal_in(const std::string &saddr, const std::string &desc, const std::s
 
 int dc_signal_in_with_callback(const std::string &saddr, const std::string &desc, const std::string &link_saddr, void **p_data, out_signal_change_cb cb);
 
-int dc_signal_ao(const std::string &saddr, const std::string &desc, uint8_t data_type, const stru_signal_param &param, uint8_t ctrl_type, void *p_data, void *p_default_data, signal_change_cb cb);
+int dc_signal_ao(const std::string &saddr, const std::string &desc, uint8_t data_type, uint8_t ctrl_type, void *p_data, void *p_default_data, signal_change_cb cb);
 
 int dc_signal_ao_link_with_callback(const std::string &saddr, void **p_data, signal_change_cb cb);
 
@@ -75,7 +75,7 @@ int dc_signal_ao_set_val(const std::string &saddr, SIGNAL_CTRL_STEP step, stru_s
 int dc_signal_ao_set_val_without_check(const std::string &saddr, uint8_t data_type, void *p_data);
 
 // 数据中心参数信号注册接口
-int dc_signal_param(const std::string &saddr, const std::string &desc, uint8_t data_type, const stru_signal_param &param, uint8_t ctrl_type, void **p_data, void **p_default_data, int num, signal_change_cb cb);
+int dc_signal_param(const std::string &saddr, const std::string &desc, uint8_t data_type, uint8_t ctrl_type, void **p_data, void **p_default_data, int num, signal_change_cb cb);
 
 // 数据中心参数链接信号接口
 int dc_signal_param_link_with_callback(const std::string &saddr, void **p_data, int num, signal_change_cb cb);

src/system/libdatacenter/inc/dc_param.h

@@ -4,6 +4,14 @@
 #include "dc_signal.h"
 #include "myDatacenter.h"
 
+#include <unordered_map>
+
 #define DC_PARAM_PATH "/mnt/RTU/test/file/PARAM/param.xml"
 
-void dc_param_cfg_parse();
+void dc_param_cfg_parse();
+
+// 存储参数元数据到中央表（dc_param_cfg_parse 在创建信号前调用）
+void dc_param_metadata_store(const std::string &saddr, const stru_signal_param &param);
+
+// 按 saddr 查找参数元数据，找到返回 true，否则返回 false
+bool dc_param_metadata_lookup(const std::string &saddr, stru_signal_param &out_param);

src/system/libdatacenter/src/dc_param.cpp

@@ -1,6 +1,25 @@
 #include "dc_param.h"
 #include "tinyxml2.h"
 
+// 中央元数据表（以 saddr 为键，初始化时写入，运行时只读）
+static std::unordered_map<std::string, stru_signal_param> g_param_metadata;
+
+void dc_param_metadata_store(const std::string &saddr, const stru_signal_param &param)
+{
+    g_param_metadata[saddr] = param;
+}
+
+bool dc_param_metadata_lookup(const std::string &saddr, stru_signal_param &out_param)
+{
+    auto it = g_param_metadata.find(saddr);
+    if (it != g_param_metadata.end())
+    {
+        out_param = it->second;
+        return true;
+    }
+    return false;
+}
+
 void dc_param_cfg_parse()
 {
     using namespace tinyxml2;
@@ -75,7 +94,9 @@ void dc_param_cfg_parse()
                 param.step = step;
                 param.unit = unit ? std::string(unit) : std::string();
 
-                dc_signal_ao(saddr, desc, data_type, param,
+                // 先存入中央元数据表，再注册信号
+                dc_param_metadata_store(saddr, param);
+                dc_signal_ao(saddr, desc, data_type,
                                 SIGNAL_CTRL_TYPE::SBO_NORMAL,
                                 p_data, p_default_data, nullptr);
             }
@@ -155,7 +176,9 @@ void dc_param_cfg_parse()
                 param.step = step;
                 param.unit = unit ? std::string(unit) : std::string();
 
-                dc_signal_param(saddr, desc, data_type, param,
+                // 先存入中央元数据表，再注册信号
+                dc_param_metadata_store(saddr, param);
+                dc_signal_param(saddr, desc, data_type,
                                 SIGNAL_CTRL_TYPE::SBO_NORMAL,
                                 vec_p_data.data(), vec_p_default_data.data(), num, nullptr);
             }

src/system/libdatacenter/src/dc_signal.cpp

@@ -371,7 +371,25 @@ LOCAL int dc_data_compare(uint8_t data_type, void *p_data, void *p_data2)
     return -1;
 }
 
-LOCAL bool dc_signal_ao_add_check(stru_signal *p_signal, const std::string &desc, uint8_t data_type, const stru_signal_param &param, uint8_t ctrl_type, void *p_default_data)
+
+// 从中央元数据表查找并设置 signal.param
+LOCAL void dc_signal_apply_metadata(stru_signal &signal)
+{
+    stru_signal_param param;
+    if (dc_param_metadata_lookup(signal.saddr, param))
+    {
+        signal.param = param;
+    }
+    else
+    {
+        signal.param.min = 0.0f;
+        signal.param.max = 0.0f;
+        signal.param.step = 0.0f;
+        signal.param.unit.clear();
+    }
+}
+
+LOCAL bool dc_signal_ao_add_check(stru_signal *p_signal, const std::string &desc, uint8_t data_type, uint8_t ctrl_type, void *p_default_data)
 {
     if(p_signal == nullptr || p_default_data == nullptr)
     {
@@ -393,10 +411,6 @@ LOCAL bool dc_signal_ao_add_check(stru_signal *p_signal, const std::string &desc
         change = true;
     }
 
-    if(p_signal->param.min != param.min || p_signal->param.max != param.max || p_signal->param.step != param.step || p_signal->param.unit != param.unit)
-    {
-        p_signal->param = param;
-        change = true;
     }
 
     if(p_signal->ctrl_type != ctrl_type)
@@ -413,7 +427,7 @@ LOCAL bool dc_signal_ao_add_check(stru_signal *p_signal, const std::string &desc
     return change;
 }
 
-LOCAL bool dc_signal_param_add_check(stru_signal *p_signal, const std::string &desc, uint8_t data_type, const stru_signal_param &param, uint8_t ctrl_type, void **p_default_data, uint8_t num)
+LOCAL bool dc_signal_param_add_check(stru_signal *p_signal, const std::string &desc, uint8_t data_type, uint8_t ctrl_type, void **p_default_data, uint8_t num)
 {
     bool change = false;
 
@@ -429,10 +443,6 @@ LOCAL bool dc_signal_param_add_check(stru_signal *p_signal, const std::string &d
         change = true;
     }
 
-    if(p_signal->param.min != param.min || p_signal->param.max != param.max || p_signal->param.step != param.step || p_signal->param.unit != param.unit)
-    {
-        p_signal->param = param;
-        change = true;
     }
 
     if(p_signal->ctrl_type != ctrl_type)
@@ -1083,7 +1093,7 @@ int dc_signal_in_with_callback(const std::string &saddr, const std::string &desc
     return dc_signal_add_to_map(signal, g_datacenter.signal_in);
 }
 
-int dc_signal_ao(const std::string &saddr, const std::string &desc, uint8_t data_type, const stru_signal_param &param, uint8_t ctrl_type, void *p_data, void *p_default_data, signal_change_cb cb)
+int dc_signal_ao(const std::string &saddr, const std::string &desc, uint8_t data_type, uint8_t ctrl_type, void *p_data, void *p_default_data, signal_change_cb cb)
 {
     if(p_data == nullptr || p_default_data == nullptr)
     {
@@ -1095,7 +1105,7 @@ int dc_signal_ao(const std::string &saddr, const std::string &desc, uint8_t data
     stru_signal *p_signal = dc_find_signal(saddr, g_datacenter.signal_ao);
     if(p_signal != nullptr && !p_signal->vec_p_data.empty() && !p_signal->vec_p_default_data.empty() && nullptr != p_signal->vec_p_data[0] && nullptr != p_signal->vec_p_default_data[0])
     {
-        if(true == dc_signal_ao_add_check(p_signal, desc, data_type, param, ctrl_type,  p_default_data))
+        if(true == dc_signal_ao_add_check(p_signal, desc, data_type, ctrl_type,  p_default_data))
         {
             dc_set_param_cfg_change(true);
         }
@@ -1119,7 +1129,7 @@ int dc_signal_ao(const std::string &saddr, const std::string &desc, uint8_t data
     signal.saddr.assign(saddr);
     signal.desc.assign(desc);
     signal.data_type = data_type;
-    signal.param = param;
+    dc_signal_apply_metadata(signal);
     signal.ctrl_type = ctrl_type;
 
     dc_signal_add_to_map(signal, g_datacenter.signal_ao);
@@ -1263,7 +1273,7 @@ int dc_signal_ao_set_val_without_check(const std::string &saddr, uint8_t data_ty
     return -1;
 }
 
-int dc_signal_param(const std::string &saddr, const std::string &desc, uint8_t data_type, const stru_signal_param &param, uint8_t ctrl_type, void **p_data, void **p_default_data, int data_num, signal_change_cb cb)
+int dc_signal_param(const std::string &saddr, const std::string &desc, uint8_t data_type, uint8_t ctrl_type, void **p_data, void **p_default_data, int data_num, signal_change_cb cb)
 {
     // 先从参数表里解析，调用参数注册
     // 程序注册时，从参数表里去查找，同一个信息，使用参数表中的保存的数据值，在线程初始化时，通知所有链接此信号的信号
@@ -1289,7 +1299,7 @@ int dc_signal_param(const std::string &saddr, const std::string &desc, uint8_t d
     if(p_signal != nullptr)
     {
         // dc_set_signal_val(p_data, data_type, p_signal->p_data);
-        if(true == dc_signal_param_add_check(p_signal, desc, data_type, param, ctrl_type, p_default_data, data_num))
+        if(true == dc_signal_param_add_check(p_signal, desc, data_type, ctrl_type, p_default_data, data_num))
         {
             dc_set_param_cfg_change(true);
         }
@@ -1329,7 +1339,7 @@ int dc_signal_param(const std::string &saddr, const std::string &desc, uint8_t d
     signal.saddr.assign(saddr);
     signal.desc.assign(desc);
     signal.data_type = data_type;
-    signal.param = param;
+    dc_signal_apply_metadata(signal);
     signal.ctrl_type = ctrl_type;
 
     dc_signal_add_to_map(signal, g_datacenter.signal_param);

src/system/libiec61850m/src/iec61850m.cpp

@@ -417,9 +417,8 @@ LOCAL int iec61850m_ao_signal_init(int num, stru_point_item *p_item)
 
         uint8_t local_type = g_mms_m_type_to_local_type[p->type];
         uint8_t ctrl_type = SIGNAL_CTRL_TYPE::DIRECT_NORMAL;
-        stru_signal_param param = {0};
 
-        if(0 != dc_signal_ao(p->saddr, p->desc, local_type, param, ctrl_type, p->value.p_val[0], p->value.p_default[0], iec61850m_signal_ao_change_callback))
+        if(0 != dc_signal_ao(p->saddr, p->desc, local_type, ctrl_type, p->value.p_val[0], p->value.p_default[0], iec61850m_signal_ao_change_callback))
         {
             MY_LOG_E("dc_signal_ao failed, saddr %s, desc %s, type %d", p->saddr, p->desc, p->type);
             return -1;
@@ -445,9 +444,8 @@ LOCAL int iec61850m_param_signal_init(int num, stru_point_item *p_item)
 
         uint8_t local_type = g_mms_m_type_to_local_type[p->type];
         uint8_t ctrl_type = SIGNAL_CTRL_TYPE::DIRECT_NORMAL;
-        stru_signal_param param = {0};
 
-        if(0 != dc_signal_param(p->saddr, p->desc, local_type, param, ctrl_type, p->value.p_val, p->value.p_default, MMS_M_MAX_VAL_NUM, iec61850m_signal_param_change_callback))
+        if(0 != dc_signal_param(p->saddr, p->desc, local_type, ctrl_type, p->value.p_val, p->value.p_default, MMS_M_MAX_VAL_NUM, iec61850m_signal_param_change_callback))
         {
             MY_LOG_E("dc_signal_param failed, saddr %s, desc %s, type %d", p->saddr, p->desc, p->type);
             return -1;

src/system/libself_ptl/src/self_ptl.cpp

@@ -897,8 +897,9 @@ int self_ptl_do_signal_out(stru_app *p_app)
             param.max = safeStringToFloat(p_ao->p_param->max);
             param.step = safeStringToFloat(p_ao->p_param->step);
             param.unit = p_ao->p_param->unit;
+            dc_param_metadata_store(p_ao->p_param->base.saddr, param);
 
-            ret |= dc_signal_ao(p_ao->p_param->base.saddr, p_ao->p_param->base.desc, p_ao->p_param->type, param, SIGNAL_CTRL_TYPE::SBO_NORMAL, p_ao->vec_p_data[0], p_ao->vec_p_default_data[0], self_ptl_signal_change_callback);
+            ret |= dc_signal_ao(p_ao->p_param->base.saddr, p_ao->p_param->base.desc, p_ao->p_param->type, SIGNAL_CTRL_TYPE::SBO_NORMAL, p_ao->vec_p_data[0], p_ao->vec_p_default_data[0], self_ptl_signal_change_callback);
         }
     }
 
@@ -917,8 +918,9 @@ int self_ptl_do_signal_out(stru_app *p_app)
             param.max = safeStringToFloat(p_param->p_param->max);
             param.step = safeStringToFloat(p_param->p_param->step);
             param.unit = p_param->p_param->unit;
+            dc_param_metadata_store(p_param->p_param->base.saddr, param);
 
-            ret |= dc_signal_param(p_param->p_param->base.saddr, p_param->p_param->base.desc, p_param->p_param->type, param, 
+            ret |= dc_signal_param(p_param->p_param->base.saddr, p_param->p_param->base.desc, p_param->p_param->type, 
                 SIGNAL_CTRL_TYPE::SBO_NORMAL, p_param->vec_p_data.data(), p_param->vec_p_default_data.data(), p_param->p_param->num, self_ptl_signal_change_callback);
         }
     }