CHANGELOG.md

@@ -40,6 +40,9 @@ will consitute of a breaking change warranting a new major release:
   return the actual GPS data will be ignored once SPG4 is running. However, by setting the
   according parameter, the ACS Controller can be directed to ignore the SGP4 solution.
 - Skyview dataset for more GPS TM has been added
+- `PDEC_CONFIG_CORRUPTED` event which is triggered when the PDEC configuration does not match the
+  expected configuration. P1 will contain the readback of the first word and P2 will contain the
+  readback of the second word.
 - The MGM and SUS vectors being too close together does not prevent the usage of the safe
   mode controller anymore.
 - Parameter to disable usage of MGM4, which is part of the MTQ and therefore cannot be

bsp_hosted/fsfwconfig/events/translateEvents.cpp

@@ -1,7 +1,7 @@
 /**
- * @brief    Auto-generated event translation file. Contains 302 translations.
+ * @brief    Auto-generated event translation file. Contains 303 translations.
  * @details
- * Generated on: 2023-08-02 09:40:31
+ * Generated on: 2023-08-14 15:09:10
  */
 #include "translateEvents.h"
 
@@ -167,6 +167,7 @@ const char *PDEC_TRYING_RESET_NO_INIT_STRING = "PDEC_TRYING_RESET_NO_INIT";
 const char *PDEC_RESET_FAILED_STRING = "PDEC_RESET_FAILED";
 const char *OPEN_IRQ_FILE_FAILED_STRING = "OPEN_IRQ_FILE_FAILED";
 const char *PDEC_INIT_FAILED_STRING = "PDEC_INIT_FAILED";
+const char *PDEC_CONFIG_CORRUPTED_STRING = "PDEC_CONFIG_CORRUPTED";
 const char *IMAGE_UPLOAD_FAILED_STRING = "IMAGE_UPLOAD_FAILED";
 const char *IMAGE_DOWNLOAD_FAILED_STRING = "IMAGE_DOWNLOAD_FAILED";
 const char *IMAGE_UPLOAD_SUCCESSFUL_STRING = "IMAGE_UPLOAD_SUCCESSFUL";
@@ -634,6 +635,8 @@ const char *translateEvents(Event event) {
       return OPEN_IRQ_FILE_FAILED_STRING;
     case (12414):
       return PDEC_INIT_FAILED_STRING;
+    case (12415):
+      return PDEC_CONFIG_CORRUPTED_STRING;
     case (12500):
       return IMAGE_UPLOAD_FAILED_STRING;
     case (12501):

bsp_hosted/fsfwconfig/objects/translateObjects.cpp

@@ -2,7 +2,7 @@
  * @brief  Auto-generated object translation file.
  * @details
  * Contains 171 translations.
- * Generated on: 2023-08-02 09:40:31
+ * Generated on: 2023-08-14 15:09:10
  */
 #include "translateObjects.h"
 

generators/bsp_hosted_events.csv

@@ -161,6 +161,7 @@ Event ID (dec); Event ID (hex); Name; Severity; Description; File Path
 12412;0x307c;PDEC_RESET_FAILED;HIGH;Failed to pull PDEC reset to low;linux/ipcore/pdec.h
 12413;0x307d;OPEN_IRQ_FILE_FAILED;HIGH;Failed to open the IRQ uio file;linux/ipcore/pdec.h
 12414;0x307e;PDEC_INIT_FAILED;HIGH;PDEC initialization failed. This might also be due to the persistent confiuration never becoming available, for example due to SD card issues.;linux/ipcore/pdec.h
+12415;0x307f;PDEC_CONFIG_CORRUPTED;HIGH;The PDEC configuration area has been corrupted P1: The first configuration word P2: The second configuration word;linux/ipcore/pdec.h
 12500;0x30d4;IMAGE_UPLOAD_FAILED;LOW;Image upload failed;linux/acs/StrComHandler.h
 12501;0x30d5;IMAGE_DOWNLOAD_FAILED;LOW;Image download failed;linux/acs/StrComHandler.h
 12502;0x30d6;IMAGE_UPLOAD_SUCCESSFUL;LOW;Uploading image to star tracker was successfulop;linux/acs/StrComHandler.h

generators/bsp_q7s_events.csv

@@ -161,6 +161,7 @@ Event ID (dec); Event ID (hex); Name; Severity; Description; File Path
 12412;0x307c;PDEC_RESET_FAILED;HIGH;Failed to pull PDEC reset to low;linux/ipcore/pdec.h
 12413;0x307d;OPEN_IRQ_FILE_FAILED;HIGH;Failed to open the IRQ uio file;linux/ipcore/pdec.h
 12414;0x307e;PDEC_INIT_FAILED;HIGH;PDEC initialization failed. This might also be due to the persistent confiuration never becoming available, for example due to SD card issues.;linux/ipcore/pdec.h
+12415;0x307f;PDEC_CONFIG_CORRUPTED;HIGH;The PDEC configuration area has been corrupted P1: The first configuration word P2: The second configuration word;linux/ipcore/pdec.h
 12500;0x30d4;IMAGE_UPLOAD_FAILED;LOW;Image upload failed;linux/acs/StrComHandler.h
 12501;0x30d5;IMAGE_DOWNLOAD_FAILED;LOW;Image download failed;linux/acs/StrComHandler.h
 12502;0x30d6;IMAGE_UPLOAD_SUCCESSFUL;LOW;Uploading image to star tracker was successfulop;linux/acs/StrComHandler.h

generators/events/translateEvents.cpp

@@ -1,7 +1,7 @@
 /**
- * @brief    Auto-generated event translation file. Contains 302 translations.
+ * @brief    Auto-generated event translation file. Contains 303 translations.
  * @details
- * Generated on: 2023-08-02 09:40:31
+ * Generated on: 2023-08-14 15:09:10
  */
 #include "translateEvents.h"
 
@@ -167,6 +167,7 @@ const char *PDEC_TRYING_RESET_NO_INIT_STRING = "PDEC_TRYING_RESET_NO_INIT";
 const char *PDEC_RESET_FAILED_STRING = "PDEC_RESET_FAILED";
 const char *OPEN_IRQ_FILE_FAILED_STRING = "OPEN_IRQ_FILE_FAILED";
 const char *PDEC_INIT_FAILED_STRING = "PDEC_INIT_FAILED";
+const char *PDEC_CONFIG_CORRUPTED_STRING = "PDEC_CONFIG_CORRUPTED";
 const char *IMAGE_UPLOAD_FAILED_STRING = "IMAGE_UPLOAD_FAILED";
 const char *IMAGE_DOWNLOAD_FAILED_STRING = "IMAGE_DOWNLOAD_FAILED";
 const char *IMAGE_UPLOAD_SUCCESSFUL_STRING = "IMAGE_UPLOAD_SUCCESSFUL";
@@ -634,6 +635,8 @@ const char *translateEvents(Event event) {
       return OPEN_IRQ_FILE_FAILED_STRING;
     case (12414):
       return PDEC_INIT_FAILED_STRING;
+    case (12415):
+      return PDEC_CONFIG_CORRUPTED_STRING;
     case (12500):
       return IMAGE_UPLOAD_FAILED_STRING;
     case (12501):

generators/objects/translateObjects.cpp

@@ -2,7 +2,7 @@
  * @brief  Auto-generated object translation file.
  * @details
  * Contains 175 translations.
- * Generated on: 2023-08-02 09:40:31
+ * Generated on: 2023-08-14 15:09:10
  */
 #include "translateObjects.h"
 

linux/fsfwconfig/events/translateEvents.cpp

@@ -1,7 +1,7 @@
 /**
- * @brief    Auto-generated event translation file. Contains 302 translations.
+ * @brief    Auto-generated event translation file. Contains 303 translations.
  * @details
- * Generated on: 2023-08-02 09:40:31
+ * Generated on: 2023-08-14 15:09:10
  */
 #include "translateEvents.h"
 
@@ -167,6 +167,7 @@ const char *PDEC_TRYING_RESET_NO_INIT_STRING = "PDEC_TRYING_RESET_NO_INIT";
 const char *PDEC_RESET_FAILED_STRING = "PDEC_RESET_FAILED";
 const char *OPEN_IRQ_FILE_FAILED_STRING = "OPEN_IRQ_FILE_FAILED";
 const char *PDEC_INIT_FAILED_STRING = "PDEC_INIT_FAILED";
+const char *PDEC_CONFIG_CORRUPTED_STRING = "PDEC_CONFIG_CORRUPTED";
 const char *IMAGE_UPLOAD_FAILED_STRING = "IMAGE_UPLOAD_FAILED";
 const char *IMAGE_DOWNLOAD_FAILED_STRING = "IMAGE_DOWNLOAD_FAILED";
 const char *IMAGE_UPLOAD_SUCCESSFUL_STRING = "IMAGE_UPLOAD_SUCCESSFUL";
@@ -634,6 +635,8 @@ const char *translateEvents(Event event) {
       return OPEN_IRQ_FILE_FAILED_STRING;
     case (12414):
       return PDEC_INIT_FAILED_STRING;
+    case (12415):
+      return PDEC_CONFIG_CORRUPTED_STRING;
     case (12500):
       return IMAGE_UPLOAD_FAILED_STRING;
     case (12501):

linux/fsfwconfig/objects/translateObjects.cpp

@@ -2,7 +2,7 @@
  * @brief  Auto-generated object translation file.
  * @details
  * Contains 175 translations.
- * Generated on: 2023-08-02 09:40:31
+ * Generated on: 2023-08-14 15:09:10
  */
 #include "translateObjects.h"
 

linux/ipcore/PdecConfig.cpp

@@ -22,11 +22,11 @@ ReturnValue_t PdecConfig::write() {
   if (result != returnvalue::OK) {
     return result;
   }
-  result = writeFrameHeaderFirstOctet();
+  result = writeFrameHeaderFirstWord();
   if (result != returnvalue::OK) {
     return result;
   }
-  result = writeFrameHeaderSecondOctet();
+  result = writeFrameHeaderSecondWord();
   if (result != returnvalue::OK) {
     return result;
   }
@@ -77,7 +77,7 @@ ReturnValue_t PdecConfig::setPositiveWindow(uint8_t pw) {
     return result;
   }
   // Rewrite second config word which contains the positive window parameter
-  writeFrameHeaderSecondOctet();
+  writeFrameHeaderSecondWord();
   return returnvalue::OK;
 }
 
@@ -92,7 +92,7 @@ ReturnValue_t PdecConfig::setNegativeWindow(uint8_t nw) {
     return result;
   }
   // Rewrite second config word which contains the negative window parameter
-  writeFrameHeaderSecondOctet();
+  writeFrameHeaderSecondWord();
   return returnvalue::OK;
 }
 
@@ -114,43 +114,23 @@ ReturnValue_t PdecConfig::getNegativeWindow(uint8_t& negativeWindow) {
   return returnvalue::OK;
 }
 
-ReturnValue_t PdecConfig::writeFrameHeaderFirstOctet() {
+ReturnValue_t PdecConfig::writeFrameHeaderFirstWord() {
   uint32_t word = 0;
-  word |= (VERSION_ID << 30);
-
-  // Setting the bypass flag and the control command flag should not have any
-  // implication on the operation of the PDEC IP Core
-  word |= (BYPASS_FLAG << 29);
-  word |= (CONTROL_COMMAND_FLAG << 28);
-
-  word |= (RESERVED_FIELD_A << 26);
-  word |= (SPACECRAFT_ID << 16);
-  word |= (VIRTUAL_CHANNEL << 10);
-  word |= (DUMMY_BITS << 8);
-  uint8_t positiveWindow = 0;
-  ReturnValue_t result =
-      localParameterHandler.getValue(pdecconfigdefs::paramkeys::POSITIVE_WINDOW, positiveWindow);
+  ReturnValue_t result = createFirstWord(&word);
   if (result != returnvalue::OK) {
     return result;
   }
-  word |= static_cast<uint32_t>(positiveWindow);
-  *(memoryBaseAddress + FRAME_HEADER_OFFSET) = word;
+  *(memoryBaseAddress + FRAME_HEADER_OFFSET + OFFSET_FIRST_CONFIG_WORD) = word;
   return returnvalue::OK;
 }
 
-ReturnValue_t PdecConfig::writeFrameHeaderSecondOctet() {
-  uint8_t negativeWindow = 0;
-  ReturnValue_t result =
-      localParameterHandler.getValue(pdecconfigdefs::paramkeys::NEGATIVE_WINDOW, negativeWindow);
+ReturnValue_t PdecConfig::writeFrameHeaderSecondWord() {
+  uint32_t word = 0;
+  ReturnValue_t result = createSecondWord(&word);
   if (result != returnvalue::OK) {
     return result;
   }
-  uint32_t word = 0;
-  word = 0;
-  word |= (static_cast<uint32_t>(negativeWindow) << 24);
-  word |= (HIGH_AU_MAP_ID << 16);
-  word |= (ENABLE_DERANDOMIZER << 8);
-  *(memoryBaseAddress + FRAME_HEADER_OFFSET + 1) = word;
+  *(memoryBaseAddress + FRAME_HEADER_OFFSET + OFFSET_SECOND_CONFIG_WORD) = word;
   return returnvalue::OK;
 }
 
@@ -189,3 +169,49 @@ uint8_t PdecConfig::getOddParity(uint8_t number) {
   parityBit = ~(countBits & 0x1) & 0x1;
   return parityBit;
 }
+
+ReturnValue_t PdecConfig::createFirstWord(uint32_t* word) {
+  *word = 0;
+  *word |= (VERSION_ID << 30);
+
+  // Setting the bypass flag and the control command flag should not have any
+  // implication on the operation of the PDEC IP Core
+  *word |= (BYPASS_FLAG << 29);
+  *word |= (CONTROL_COMMAND_FLAG << 28);
+
+  *word |= (RESERVED_FIELD_A << 26);
+  *word |= (SPACECRAFT_ID << 16);
+  *word |= (VIRTUAL_CHANNEL << 10);
+  *word |= (DUMMY_BITS << 8);
+  uint8_t positiveWindow = 0;
+  ReturnValue_t result =
+      localParameterHandler.getValue(pdecconfigdefs::paramkeys::POSITIVE_WINDOW, positiveWindow);
+  if (result != returnvalue::OK) {
+    return result;
+  }
+  *word |= static_cast<uint32_t>(positiveWindow);
+  return returnvalue::OK;
+}
+
+ReturnValue_t PdecConfig::createSecondWord(uint32_t* word) {
+  uint8_t negativeWindow = 0;
+  ReturnValue_t result =
+      localParameterHandler.getValue(pdecconfigdefs::paramkeys::NEGATIVE_WINDOW, negativeWindow);
+  if (result != returnvalue::OK) {
+    return result;
+  }
+  *word = 0;
+  *word = 0;
+  *word |= (static_cast<uint32_t>(negativeWindow) << 24);
+  *word |= (HIGH_AU_MAP_ID << 16);
+  *word |= (ENABLE_DERANDOMIZER << 8);
+  return returnvalue::OK;
+}
+
+uint32_t PdecConfig::readbackFirstWord() {
+  return *(memoryBaseAddress + FRAME_HEADER_OFFSET + OFFSET_FIRST_CONFIG_WORD);
+}
+
+uint32_t PdecConfig::readbackSecondWord() {
+  return *(memoryBaseAddress + FRAME_HEADER_OFFSET + OFFSET_SECOND_CONFIG_WORD);
+}

linux/ipcore/PdecConfig.h

@@ -48,6 +48,39 @@ class PdecConfig {
   ReturnValue_t getPositiveWindow(uint8_t& positiveWindow);
   ReturnValue_t getNegativeWindow(uint8_t& negativeWindow);
 
+  /**
+   * @brief	Creates the first word of the PDEC configuration
+   *
+   * @param word	The created word will be written to this pointer
+   *
+   * @return OK if successful, otherwise error return value
+   *
+   */
+  ReturnValue_t createFirstWord(uint32_t* word);
+
+  /**
+   * @brief	Creates the second word of the PDEC configuration
+   *
+   * @param word	The created word will be written to this pointer
+   *
+   * @return OK if successful, otherwise error return value
+   */
+  ReturnValue_t createSecondWord(uint32_t* word);
+
+  /**
+   * @brief	Reads first config word from the config memory
+   *
+   * @return The config word
+   */
+  uint32_t readbackFirstWord();
+
+  /**
+   * @brief	Reads the second config word from the config memory
+   *
+   * @return The config word
+   */
+  uint32_t readbackSecondWord();
+
  private:
   // TC transfer frame configuration parameters
   static const uint8_t VERSION_ID = 0;
@@ -66,6 +99,8 @@ class PdecConfig {
 
   // 0x200 / 4 = 0x80
   static const uint32_t FRAME_HEADER_OFFSET = 0x80;
+  static const uint32_t OFFSET_FIRST_CONFIG_WORD = 0;
+  static const uint32_t OFFSET_SECOND_CONFIG_WORD = 1;
 
   static const uint32_t MAP_ADDR_LUT_OFFSET = 0xA0;
   static const uint32_t MAP_CLK_FREQ_OFFSET = 0x90;
@@ -102,8 +137,8 @@ class PdecConfig {
    */
   ReturnValue_t createPersistentConfig();
 
-  ReturnValue_t writeFrameHeaderFirstOctet();
-  ReturnValue_t writeFrameHeaderSecondOctet();
+  ReturnValue_t writeFrameHeaderFirstWord();
+  ReturnValue_t writeFrameHeaderSecondWord();
   void writeMapConfig();
 
   /**

linux/ipcore/PdecHandler.cpp

@@ -478,6 +478,7 @@ bool PdecHandler::checkFrameAna(uint32_t pdecFar) {
     }
     case (FrameAna_t::FRAME_DIRTY): {
       triggerEvent(INVALID_TC_FRAME, FRAME_DIRTY_RETVAL);
+      checkConfig();
       sif::warning << "PdecHandler::checkFrameAna: Frame dirty" << std::endl;
       break;
     }
@@ -577,6 +578,29 @@ void PdecHandler::handleIReason(uint32_t pdecFar, ReturnValue_t parameter1) {
   }
 }
 
+void PdecHandler::checkConfig() {
+  uint32_t firstWord = 0;
+  ReturnValue_t result = pdecConfig.createFirstWord(&firstWord);
+  if (result != returnvalue::OK) {
+    // This should normally never happen during runtime. So here is just
+    // output a warning
+    sif::warning << "PdecHandler::checkConfig: Failed to create first word" << std::endl;
+    return;
+  }
+  uint32_t secondWord = 0;
+  result = pdecConfig.createSecondWord(&secondWord);
+  if (result != returnvalue::OK) {
+    // This should normally never happen during runtime. So here is just
+    // output a warning
+    sif::warning << "PdecHandler::checkConfig: Failed to create second word" << std::endl;
+    return;
+  }
+  if (firstWord != pdecConfig.readbackFirstWord() or
+      secondWord != pdecConfig.readbackSecondWord()) {
+    triggerEvent(PDEC_CONFIG_CORRUPTED, firstWord, secondWord);
+  }
+}
+
 void PdecHandler::handleNewTc() {
   ReturnValue_t result = returnvalue::OK;
 

linux/ipcore/PdecHandler.h

@@ -282,6 +282,11 @@ class PdecHandler : public SystemObject,
    */
   void handleIReason(uint32_t pdecFar, ReturnValue_t parameter1);
 
+  /**
+   * @brief	Checks if PDEC configuration is still correct
+   */
+  void checkConfig();
+
   /**
    * @brief   Handles the reception of new TCs. Reads the pointer to the storage location of the
    *          new TC segment, extracts the PUS packet and forwards the data to the object

linux/ipcore/pdec.h

@@ -71,6 +71,10 @@ static constexpr Event OPEN_IRQ_FILE_FAILED = event::makeEvent(SUBSYSTEM_ID, 13,
 //! [EXPORT] : [COMMENT] PDEC initialization failed. This might also be due to the persistent
 //! confiuration never becoming available, for example due to SD card issues.
 static constexpr Event PDEC_INIT_FAILED = event::makeEvent(SUBSYSTEM_ID, 14, severity::HIGH);
+//! [EXPORT] : [COMMENT] The PDEC configuration area has been corrupted
+//! P1: The first configuration word
+//! P2: The second configuration word
+static constexpr Event PDEC_CONFIG_CORRUPTED = event::makeEvent(SUBSYSTEM_ID, 15, severity::HIGH);
 
 // Action IDs
 static constexpr ActionId_t PRINT_CLCW = 0;