适配下位机STM32 unpack

.gitignore

@@ -1 +1,2 @@
 /.vscode/
+.idea

.idea/.gitignore

@@ -0,0 +1,8 @@
+# 默认忽略的文件
+/shelf/
+/workspace.xml
+# 基于编辑器的 HTTP 客户端请求
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/IRIS_Communication_Protocol.iml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="CPP_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/deployment.xml

@@ -0,0 +1,105 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="PublishConfigData" remoteFilesAllowedToDisappearOnAutoupload="false">
+    <serverData>
+      <paths name="ASDRadStation (0340c8fe-13af-4239-8cd7-9e5c44db25b0)">
+        <serverdata>
+          <mappings>
+            <mapping local="$PROJECT_DIR$" web="/" />
+          </mappings>
+        </serverdata>
+      </paths>
+      <paths name="FSA (64660c1e-3077-4ca8-9d3c-230a28ead929)">
+        <serverdata>
+          <mappings>
+            <mapping local="$PROJECT_DIR$" web="/" />
+          </mappings>
+        </serverdata>
+      </paths>
+      <paths name="FSAANDIS2 (fb91b536-9577-4b25-b407-58ea13389c0c)">
+        <serverdata>
+          <mappings>
+            <mapping local="$PROJECT_DIR$" web="/" />
+          </mappings>
+        </serverdata>
+      </paths>
+      <paths name="M300CO2 (6fad263c-26b3-46ec-b752-eb124f26db19)">
+        <serverdata>
+          <mappings>
+            <mapping local="$PROJECT_DIR$" web="/" />
+          </mappings>
+        </serverdata>
+      </paths>
+      <paths name="NanopiM4_air">
+        <serverdata>
+          <mappings>
+            <mapping local="$PROJECT_DIR$" web="/" />
+          </mappings>
+        </serverdata>
+      </paths>
+      <paths name="TowerIS2 (db954183-53fc-4ada-9339-7bcf07f6e961)">
+        <serverdata>
+          <mappings>
+            <mapping local="$PROJECT_DIR$" web="/" />
+          </mappings>
+        </serverdata>
+      </paths>
+      <paths name="forlinux (3f835093-ccb8-4ad3-9031-a7fd02ff9517)">
+        <serverdata>
+          <mappings>
+            <mapping local="$PROJECT_DIR$" web="/" />
+          </mappings>
+        </serverdata>
+      </paths>
+      <paths name="is2 (92fcd400-343f-4bff-8ff2-c89556823e34)">
+        <serverdata>
+          <mappings>
+            <mapping local="$PROJECT_DIR$" web="/" />
+          </mappings>
+        </serverdata>
+      </paths>
+      <paths name="nanopiM4 (c7faf773-a5c9-4127-92c5-fbf9ece802a0)">
+        <serverdata>
+          <mappings>
+            <mapping local="$PROJECT_DIR$" web="/" />
+          </mappings>
+        </serverdata>
+      </paths>
+      <paths name="nanopiserver (6ad11e01-52ec-4934-8eb0-fefc1e30d593)">
+        <serverdata>
+          <mappings>
+            <mapping local="$PROJECT_DIR$" web="/" />
+          </mappings>
+        </serverdata>
+      </paths>
+      <paths name="rockme (cd04aadc-c7bb-46a5-979e-b86bac017707)">
+        <serverdata>
+          <mappings>
+            <mapping local="$PROJECT_DIR$" web="/" />
+          </mappings>
+        </serverdata>
+      </paths>
+      <paths name="testgui (2e6cddd8-02ba-48d6-ba20-19b504f11653)">
+        <serverdata>
+          <mappings>
+            <mapping local="$PROJECT_DIR$" web="/" />
+          </mappings>
+        </serverdata>
+      </paths>
+      <paths name="topirr (8e108d97-9abd-4587-8f26-0eff66629188)">
+        <serverdata>
+          <mappings>
+            <mapping local="$PROJECT_DIR$" web="/" />
+          </mappings>
+        </serverdata>
+      </paths>
+      <paths name="远程主机 (d789e20a-7887-454e-a5b8-dbb0c4612a02)">
+        <serverdata>
+          <mappings>
+            <mapping local="$PROJECT_DIR$" web="/" />
+          </mappings>
+        </serverdata>
+      </paths>
+    </serverData>
+  </component>
+</project>

.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/IRIS_Communication_Protocol.iml" filepath="$PROJECT_DIR$/.idea/IRIS_Communication_Protocol.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>

Readme.md

@@ -87,19 +87,35 @@ json定义比较灵活 但是根对象必须提供如下：
 /*-------------------------------------------------------------------------------------------------------------*/
 /*
 在此之下开始定义一些函数
+
+
+
+
 */
+#define ERROR_NOT_ENOUGH_DATA -200
+#define ERROR_HEADER -300
+#define ERROR_COMMAND -400
+#define ERROR_INPUT -500
+#define ERROR_CRC -600
+
+
 // 成功返回打包后的数据长度
 // -1: Error
 // 成功返回打包后的数据长度
 int32_t IRIS_Protocol_Pack(uint8_t Command,uint16_t LenthofIn, uint8_t *BufferIn, uint8_t *PackData);
 
+// 解包函数 PackData 是接收到的数据 LenthofIn 是数据长度 Command 是命令 BufferOut 是输出
+// 下位机使用的打包函数 Command 是输出
 // 成功返回解包后的数据长度 
 // 0: 该命令返回无参数
-// -1: checksum error
+// 错误返回ERRor
-// -100: parameter error
+// 成功返回解包后的数据长度
-// -200: header error
+int32_t IRIS_STM32_Protocol_Unpack(uint8_t *PackData, uint16_t LenthofIn, uint8_t *Command, uint8_t *BufferOut);
-// -300: command error
+
-// -400: length error
+// 解包函数 PackData 是接收到的数据 LenthofIn 是数据长度 Command 是命令输入 BufferOut 是输出 上位机使用
+// 成功返回解包后的数据长度
+// 0: 该命令返回无参数
+// 错误返回ERRor
 // 成功返回解包后的数据长度
 int32_t IRIS_Protocol_Unpack(uint8_t *PackData, uint16_t LenthofIn, uint8_t Command, uint8_t *BufferOut);
 
@@ -108,6 +124,12 @@ int32_t IRIS_Protocol_Unpack(uint8_t *PackData, uint16_t LenthofIn, uint8_t Comm
 // -1: Error
 int32_t IRIS_Cut_Befor_Header(uint8_t *PackData, uint16_t LenthofIn );
 
+// 检查数据是否有效
+// 有效返回值1 
+// 错误返回ERRor
+int32_t IRIS_Check_Data_Valid(uint8_t *PackData, uint16_t LenthofIn );
+
+
 // 返回CRC校验值
 uint16_t IRIS_calcCRC(const void *pBuffer, uint16_t bufferSize);
 #endif

src/Communication_Protocol.c

@@ -27,29 +27,62 @@ int32_t IRIS_Protocol_Pack(uint8_t Command,uint16_t LenthofIn, uint8_t *BufferIn
 
 }
 
-int32_t IRIS_Protocol_Unpack(uint8_t *PackData, uint16_t LenthofIn, uint8_t Command, uint8_t *BufferOut)
+int32_t IRIS_STM32_Protocol_Unpack(uint8_t *PackData, uint16_t LenthofIn, uint8_t *Command, uint8_t *BufferOut)
 {
+    
     if( PackData == NULL || BufferOut == NULL)
     {
-        return -100;
+        return ERROR_INPUT;
     }
     if(PackData[0] != 0x55 || PackData[1] != 0xAA)
     {
-        return -200;
+        return ERROR_HEADER;
-    }
-    if(PackData[2] != Command)
-    {
-        return -300;
     }
+
     uint16_t LenthofOut = PackData[3] + (PackData[4] << 8);
     if(LenthofOut > LenthofIn - 7)
     {
-        return -400;
+        return ERROR_NOT_ENOUGH_DATA;
     }
     uint16_t CRC = IRIS_calcCRC(PackData, LenthofOut+5);
     if(CRC != (PackData[LenthofOut+5] + (PackData[LenthofOut+6] << 8)))
     {
-        return -1;
+        return ERROR_CRC;
+    }
+    if(LenthofOut == 0)
+    {
+        return 0;
+    }
+    *Command=PackData[2] ;
+
+    memcpy(BufferOut,&PackData[5],LenthofOut);
+    return LenthofOut;
+}
+
+
+int32_t IRIS_Protocol_Unpack(uint8_t *PackData, uint16_t LenthofIn, uint8_t Command, uint8_t *BufferOut)
+{
+    if( PackData == NULL || BufferOut == NULL)
+    {
+        return ERROR_INPUT;
+    }
+    if(PackData[0] != 0x55 || PackData[1] != 0xAA)
+    {
+        return ERROR_HEADER
+    }
+    if(PackData[2] != Command)
+    {
+        return ERROR_COMMAND;
+    }
+    uint16_t LenthofOut = PackData[3] + (PackData[4] << 8);
+    if(LenthofOut > LenthofIn - 7)
+    {
+        return ERROR_NOT_ENOUGH_DATA;
+    }
+    uint16_t CRC = IRIS_calcCRC(PackData, LenthofOut+5);
+    if(CRC != (PackData[LenthofOut+5] + (PackData[LenthofOut+6] << 8)))
+    {
+        return ERROR_CRC;
     }
     if(LenthofOut == 0)
     {
@@ -65,7 +98,7 @@ int32_t IRIS_Cut_Befor_Header(uint8_t *PackData, uint16_t LenthofIn )
 {
     if( PackData == NULL )
     {
-        return -1;
+        return ERROR_INPUT
     }
     uint16_t i = 0;
     for(i = 0; i < LenthofIn; i++)
@@ -87,6 +120,36 @@ int32_t IRIS_Cut_Befor_Header(uint8_t *PackData, uint16_t LenthofIn )
     return LenthofOut;
 }
 
+int32_t IRIS_Check_Data_Valid(uint8_t *PackData, uint16_t LenthofIn)
+{
+    if( PackData == NULL)
+    {
+        return ERROR_INPUT;
+    }
+    if (LenthofIn < 7)
+    {
+        return ERROR_NOT_ENOUGH_DATA;
+        /* code */
+    }
+    
+    if(PackData[0] != 0x55 || PackData[1] != 0xAA)
+    {
+        return ERROR_HEADER;
+    }
+    uint16_t LenthofOut = PackData[3] + (PackData[4] << 8);
+    if(LenthofOut > LenthofIn - 7)
+    {
+        return ERROR_NOT_ENOUGH_DATA;
+    }
+    uint16_t CRC = IRIS_calcCRC(PackData, LenthofOut+5);
+    if(CRC != (PackData[LenthofOut+5] + (PackData[LenthofOut+6] << 8)))
+    {
+        return ERROR_CRC;
+    }
+    return 1;
+    
+}
+
 
 
 

src/Communication_Protocol.h

@@ -24,19 +24,35 @@
 /*-------------------------------------------------------------------------------------------------------------*/
 /*
 在此之下开始定义一些函数
+
+
+
+
 */
+#define ERROR_NOT_ENOUGH_DATA -200
+#define ERROR_HEADER -300
+#define ERROR_COMMAND -400
+#define ERROR_INPUT -500
+#define ERROR_CRC -600
+
+
 // 成功返回打包后的数据长度
 // -1: Error
 // 成功返回打包后的数据长度
 int32_t IRIS_Protocol_Pack(uint8_t Command,uint16_t LenthofIn, uint8_t *BufferIn, uint8_t *PackData);
 
+// 解包函数 PackData 是接收到的数据 LenthofIn 是数据长度 Command 是命令 BufferOut 是输出
+// 下位机使用的打包函数 Command 是输出
 // 成功返回解包后的数据长度 
 // 0: 该命令返回无参数
-// -1: checksum error
+// 错误返回ERRor
-// -100: parameter error
+// 成功返回解包后的数据长度
-// -200: header error
+int32_t IRIS_STM32_Protocol_Unpack(uint8_t *PackData, uint16_t LenthofIn, uint8_t *Command, uint8_t *BufferOut);
-// -300: command error
+
-// -400: length error
+// 解包函数 PackData 是接收到的数据 LenthofIn 是数据长度 Command 是命令输入 BufferOut 是输出 上位机使用
+// 成功返回解包后的数据长度
+// 0: 该命令返回无参数
+// 错误返回ERRor
 // 成功返回解包后的数据长度
 int32_t IRIS_Protocol_Unpack(uint8_t *PackData, uint16_t LenthofIn, uint8_t Command, uint8_t *BufferOut);
 
@@ -45,6 +61,12 @@ int32_t IRIS_Protocol_Unpack(uint8_t *PackData, uint16_t LenthofIn, uint8_t Comm
 // -1: Error
 int32_t IRIS_Cut_Befor_Header(uint8_t *PackData, uint16_t LenthofIn );
 
+// 检查数据是否有效
+// 有效返回值1 
+// 错误返回ERRor
+int32_t IRIS_Check_Data_Valid(uint8_t *PackData, uint16_t LenthofIn );
+
+
 // 返回CRC校验值
 uint16_t IRIS_calcCRC(const void *pBuffer, uint16_t bufferSize);
 #endif