nasa · chillfig · Mar 18, 2026
diff --git a/config/default_mm_msgdefs.h b/config/default_mm_msgdefs.h
@@ -157,6 +157,24 @@ typedef struct {
                                               applicable */
 } MM_HkTlm_Payload_t;
 
+/**
+ *  \brief Peek Packet Payload
+ */
+typedef struct {
+  MM_MemType_Enum_t MemType;   /**< \brief Memory type */
+  uint32 DataValue;            /**< \brief Data from peek */
+  MM_MemAddress_t Address;     /**< \brief Fully resolved address */
+  MM_MemSize_t BytesProcessed; /**< \brief Bytes processed */
+} MM_PeekPacket_Payload_t;
+
+/**
+ *  \brief Symbol Lookup Packet Payload
+ */
+typedef struct {
+  char SymName[CFE_MISSION_MAX_API_LEN]; /**< \brief Symbol name */
+  MM_MemAddress_t Address;               /**< \brief Fully resolved address */
+} MM_SymLookupPacket_Payload_t;
+
 #endif /* DEFAULT_MM_MSGDEFS_H */
 
-/**\}*/
+/**\}*/
diff --git a/config/default_mm_msgids.h b/config/default_mm_msgids.h
@@ -50,6 +50,8 @@
  */
 
 #define MM_HK_TLM_MID MM_TLM_PLATFORM_MIDVAL(HK_TLM)
+#define MM_PEEK_TLM_MID MM_TLM_PLATFORM_MIDVAL(PEEK_TLM)
+#define MM_SYM_LOOKUP_TLM_MID MM_TLM_PLATFORM_MIDVAL(SYM_LOOKUP)
 
 #endif /* DEFAULT_MM_MSGIDS_H */
 

diff --git a/config/default_mm_msgstruct.h b/config/default_mm_msgstruct.h
@@ -178,6 +178,22 @@ typedef struct {
   CFE_MSG_TelemetryHeader_t TelemetryHeader;
 } MM_SendHkCmd_t;
 
+/**
+ *  \brief Symbol Lookup Packet Structure
+ */
+typedef struct {
+  CFE_MSG_TelemetryHeader_t TlmHeader;    /**< \brief Telemetry header */
+  MM_SymLookupPacket_Payload_t Payload;   /**< \brief Symbol Lookup Packet Payload */
+} MM_SymLookupPacket_t;
+
+/**
+ *  \brief Peek Packet Structure
+ */
+typedef struct {
+  CFE_MSG_TelemetryHeader_t TlmHeader; /**< \brief Telemetry header */
+  MM_PeekPacket_Payload_t Payload;     /**< \brief Peek Packet Payload */
+} MM_PeekPacket_t;
+
 #endif /* DEFAULT_MM_MSGSTRUCT_H */
 
-/**\}*/
+/**\}*/
diff --git a/docs/mm_FunctionalRequirements.csv b/docs/mm_FunctionalRequirements.csv
@@ -20,7 +20,7 @@ b) length of data written
 c) value of the data written
 ",Confirms memory poke operations
 MM2000.2,MM2000.2,"When MM receives a Poke command, if the data size is not 8, 16, or 32 bits, MM shall reject the command.",Ensure writes happen at 8-bit boundaries
-MM2002,MM2002,"Upon receipt of a Peek command, MM shall read 8, 16, or 32 bits of data from the command-specified RAM address and telemeter the following information in the HK packet + issue an event message containing:
+MM2002,MM2002,"Upon receipt of a Peek command, MM shall read 8, 16, or 32 bits of data from the command-specified RAM address and telemeter the following information in the HK and Peek packet + issue an event message containing:
 a) address read
 b) length of data read
 c) value of the data read

diff --git a/eds/mm.xml b/eds/mm.xml
@@ -208,6 +208,22 @@
                 </EntryList>
             </ContainerDataType>
 
+            <ContainerDataType name="PeekPacket_Payload" shortDescription="Peek Packet Payload">
+                <EntryList>
+                    <Entry name="MemType" type="MemType" shortDescription="Memory type"/>
+                    <Entry name="DataValue" type="BASE_TYPES/uint32" shortDescription="Data from peek"/>
+                    <Entry name="Address" type="MemAddress" shortDescription="Fully resolved address"/>
+                    <Entry name="BytesProcessed" type="MemSize" shortDescription="Bytes processed"/>
+                </EntryList>
+            </ContainerDataType>
+
+            <ContainerDataType name="SymLookupPacket_Payload" shortDescription="Symbol Lookup Packet Payload">
+                <EntryList>
+                    <Entry name="SymName" type="SymName" shortDescription="Symbol Name"/>
+                    <Entry name="Address" type="MemAddress" shortDescription="Fully resolved address"/>
+                </EntryList>
+            </ContainerDataType>
+
             <!-- COMMANDS -->
 
             <ContainerDataType name="CommandBase" baseType="CFE_HDR/CommandHeader"/>
@@ -343,6 +359,18 @@
                     <Entry type="HkTlm_Payload" name="Payload"/>
                 </EntryList>
             </ContainerDataType>
+
+            <ContainerDataType name="PeekPacket" baseType="CFE_HDR/TelemetryHeader">
+                <EntryList>
+                    <Entry type="PeekPacket_Payload" name="Payload"/>
+                </EntryList>
+            </ContainerDataType>
+
+            <ContainerDataType name="SymLookupPacket" baseType="CFE_HDR/TelemetryHeader">
+                <EntryList>
+                    <Entry type="SymLookupPacket_Payload" name="Payload"/>
+                </EntryList>
+            </ContainerDataType>
         </DataTypeSet>
 
         <ComponentSet>
@@ -365,22 +393,38 @@
                             <GenericTypeMap name="TelemetryDataType" type="HkTlm" />
                         </GenericTypeMapSet>
                     </Interface>
+
+                    <Interface name="PEEK_TLM" shortDescription="Memory peek telemetry interface" type="CFE_SB/Telemetry">
+                        <GenericTypeMapSet>
+                            <GenericTypeMap name="TelemetryDataType" type="PeekPacket" />
+                        </GenericTypeMapSet>
+                    </Interface>
+
+                    <Interface name="SYM_LOOKUP" shortDescription="Symbol lookup telemetry interface" type="CFE_SB/Telemetry">
+                        <GenericTypeMapSet>
+                            <GenericTypeMap name="TelemetryDataType" type="SymLookupPacket" />
+                        </GenericTypeMapSet>
+                    </Interface>
                 </RequiredInterfaceSet>
 
                 <Implementation>
                     <VariableSet>
                         <Variable type="BASE_TYPES/uint16" readOnly="true" name="CmdTopicId" initialValue="${CFE_MISSION/MM_CMD_TOPICID}"/>
                         <Variable type="BASE_TYPES/uint16" readOnly="true" name="SendHkTopicId" initialValue="${CFE_MISSION/MM_SEND_HK_TOPICID}"/>
                         <Variable type="BASE_TYPES/uint16" readOnly="true" name="HkTlmTopicId" initialValue="${CFE_MISSION/MM_HK_TLM_TOPICID}"/>
+                        <Variable type="BASE_TYPES/uint16" readOnly="true" name="PeekTlmTopicId" initialValue="${CFE_MISSION/MM_PEEK_TLM_TOPICID}"/>
+                        <Variable type="BASE_TYPES/uint16" readOnly="true" name="SymLookupTopicId" initialValue="${CFE_MISSION/MM_SYM_LOOKUP_TOPICID}"/>
                     </VariableSet>
 
                     <ParameterMapSet>
                         <ParameterMap interface="CMD" parameter="TopicId" variableRef="CmdTopicId" />
                         <ParameterMap interface="SEND_HK" parameter="TopicId" variableRef="SendHkTopicId" />
                         <ParameterMap interface="HK_TLM" parameter="TopicId" variableRef="HkTlmTopicId" />
+                        <ParameterMap interface="PEEK_TLM" parameter="TopicId" variableRef="PeekTlmTopicId" />
+                        <ParameterMap interface="SYM_LOOKUP" parameter="TopicId" variableRef="SymLookupTopicId" />
                     </ParameterMapSet>
                 </Implementation>
             </Component>
         </ComponentSet>
     </Package>
-</PackageFile>
+</PackageFile>
diff --git a/fsw/inc/mm_topicids.h b/fsw/inc/mm_topicids.h
@@ -32,4 +32,10 @@
 #define MM_MISSION_HK_TLM_TOPICID MM_MISSION_TIDVAL(HK_TLM)
 #define DEFAULT_MM_MISSION_HK_TLM_TOPICID 0x87
 
-#endif /* MM_TOPICIDS_H */
+#define MM_MISSION_PEEK_TLM_TOPICID MM_MISSION_TIDVAL(PEEK_TLM)
+#define DEFAULT_MM_MISSION_PEEK_TLM_TOPICID 0x88
+
+#define MM_MISSION_SYM_LOOKUP_TOPICID MM_MISSION_TIDVAL(SYM_LOOKUP)
+#define DEFAULT_MM_MISSION_SYM_LOOKUP_TOPICID 0x89
+
+#endif /* MM_TOPICIDS_H */
diff --git a/fsw/src/mm_app.c b/fsw/src/mm_app.c
@@ -159,6 +159,17 @@ CFE_Status_t MM_AppInit(void) {
   CFE_MSG_Init(CFE_MSG_PTR(MM_AppData.HkTlm.TelemetryHeader),
                CFE_SB_ValueToMsgId(MM_HK_TLM_MID), sizeof(MM_HkTlm_t));
 
+  /*
+  ** Initialize the local peek telemetry packet (clear user data area)
+  */
+  CFE_MSG_Init(CFE_MSG_PTR(MM_AppData.PeekPacket.TlmHeader), CFE_SB_ValueToMsgId(MM_PEEK_TLM_MID), sizeof(MM_PeekPacket_t));
+
+  /*
+  ** Initialize the local symbol lookup  telemetry packet (clear user data area)
+  */
+  CFE_MSG_Init(CFE_MSG_PTR(MM_AppData.SymLookupPacket.TlmHeader), CFE_SB_ValueToMsgId(MM_SYM_LOOKUP_TLM_MID), sizeof(MM_SymLookupPacket_t));
+
+
   /*
   ** Create Software Bus message pipe
   */

diff --git a/fsw/src/mm_app.h b/fsw/src/mm_app.h
@@ -61,6 +61,10 @@
 typedef struct {
   MM_HkTlm_t HkTlm; /**< \brief Housekeeping telemetry packet */
 
+  MM_SymLookupPacket_t SymLookupPacket; /**< \brief Symbol lookup telemetry packet */
+
+  MM_PeekPacket_t PeekPacket; /**< \brief Memory peek telemetry packet */
+
   CFE_SB_PipeId_t CmdPipe; /**< \brief Command pipe ID */
 
   uint32 RunStatus; /**< \brief Application run status */
@@ -108,4 +112,4 @@ void MM_AppMain(void);
  */
 CFE_Status_t MM_AppInit(void);
 
-#endif
+#endif
diff --git a/fsw/src/mm_cmds.c b/fsw/src/mm_cmds.c
@@ -140,6 +140,13 @@ CFE_Status_t MM_LookupSymCmd(const MM_LookupSymCmd_t *Msg) {
       CFE_EVS_SendEvent(MM_SYM_LOOKUP_INF_EID, CFE_EVS_EventType_INFORMATION,
                         "Symbol Lookup Command: Name = '%s' Addr = %p", SymName,
                         (void *)ResolvedAddr);
+
+      /* Update Symbol Look Up Tlm */
+      strncpy(MM_AppData.SymLookupPacket.Payload.SymName, SymName, sizeof(MM_AppData.SymLookupPacket.Payload.SymName));
+
+      MM_AppData.SymLookupPacket.Payload.Address = ResolvedAddr;
+      CFE_SB_TimeStampMsg(CFE_MSG_PTR(MM_AppData.SymLookupPacket.TlmHeader));
+      CFE_SB_TransmitMsg(CFE_MSG_PTR(MM_AppData.SymLookupPacket.TlmHeader), true);
     } else {
       MM_AppData.HkTlm.Payload.ErrCounter++;
       CFE_EVS_SendEvent(MM_SYMNAME_ERR_EID, CFE_EVS_EventType_ERROR,

diff --git a/fsw/src/mm_dump.c b/fsw/src/mm_dump.c
@@ -110,6 +110,15 @@ int32 MM_PeekMem(const MM_PeekCmd_t *CmdPtr, cpuaddr SrcAddress) {
                       "Peek Command: Addr = %p Size = %u bits Data = 0x%08X",
                       (void *)SrcAddress, (unsigned int)DataSize,
                       (unsigned int)DataValue);
+
+    /* Update Peek TLM Packet */
+    MM_AppData.PeekPacket.Payload.MemType = CmdPtr->Payload.MemType;
+    MM_AppData.PeekPacket.Payload.Address = SrcAddress;
+    MM_AppData.PeekPacket.Payload.BytesProcessed = BytesProcessed;
+    MM_AppData.PeekPacket.Payload.DataValue = DataValue;
+
+    CFE_SB_TimeStampMsg(CFE_MSG_PTR(MM_AppData.PeekPacket.TlmHeader));
+    CFE_SB_TransmitMsg(CFE_MSG_PTR(MM_AppData.PeekPacket.TlmHeader), true); 
   } else {
     CFE_EVS_SendEvent(MM_PSP_READ_ERR_EID, CFE_EVS_EventType_ERROR,
                       "PSP read memory error: RC=%d, Address=%p, MemType=MEM%u",