Initial public release.

2020TPCApp1.cydsn/NVM/NVM.h

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+/** \dir NVM
+ *
+ *  \brief Non-Volatile Memory
+ *
+ *  This directory/namespace contains all the software used to manage non-volatile memory for this CPU.
+ *
+ */
+
+/** \file
+ *  \brief This file defines the interface to the NVM package.
+ *
+ *  This file should be included by any file outside the NVM package wishing to make use
+ *  of any of the NVM functionality.
+ */
+
+#ifndef NVM_H
+#define NVM_H
+    
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Preprocessor and Type Definitions */
+
+//! Enumeration of the various states of a nonvolatile memory entry.
+typedef enum
+{
+    //! This entry has not yet been initialized.
+    NVM_STATE_UNINITIALIZED = 0,
+    
+    //! This entry has been read from nonvolatile memory, and the cyclic redundancy check failed.
+    NVM_STATE_CRC_FAILED,
+    
+    //! No changes are pending for this entry.
+    NVM_STATE_IDLE,
+
+    //! A request has been made to save this entry to NVM.
+    NVM_STATE_SAVE_REQUESTED
+} NVM_Entry_State_T;
+
+
+typedef struct
+{
+    // Size of the NVM data.
+    const size_t Size;
+
+    // Address of the NVM data in the EEPROM memory.
+    const uint16_t EE_Address;
+
+    // Address of the calculated CRC value in the EEPROM memory.
+    const uint16_t EE_CRC_Address;
+
+    // Address of the NVM data in RAM.
+    uint8_t * const Value;
+
+    // Address of the default data in ROM.
+    uint8_t const * const Default;
+
+    // Current state of this NVM entry
+    NVM_Entry_State_T State;
+
+} NVM_EEPROMEntry_T;
+
+
+/* Include Files */
+#include "NVM_CRC.h"
+
+#if (CONFIG__HAS_EXTERNAL_NVM)
+#include "NVM_ExternalEEPROM.h"
+#include "NVM_ExternalEEPROMEntries.h"
+#endif // CONFIG__HAS_EXTERNAL_NVM
+
+#if (CONFIG__HAS_INTERNAL_NVM)
+#include "NVM_OnChipEEPROM.h"
+#include "NVM_OnChipEEPROMEntries.h"
+#endif // CONFIG__HAS_INTERNAL_NVM
+
+/* Public Variables */
+
+/* Public Functions */
+
+inline bool IsNVMInitialized()
+{    
+    taskENTER_CRITICAL();
+    bool is_initialized =
+    
+#if (CONFIG__HAS_EXTERNAL_NVM)
+    NVM_IsExternalEEPROMInitialized &&
+#endif // CONFIG__HAS_EXTERNAL_NVM
+
+#if (CONFIG__HAS_INTERNAL_NVM)
+    NVM_IsOnChipEEPROMInitialized &&
+#endif // CONFIG__HAS_INTERNAL_NVM
+
+    true;
+    taskEXIT_CRITICAL();
+
+    return is_initialized;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // NVM_H