From 1065b42a166986e926e3b8926ef87c62c27fa7a6 Mon Sep 17 00:00:00 2001
From: Lisoveliy <1986developer@gmail.com>
Date: Mon, 21 Oct 2024 17:53:33 +0300
Subject: [PATCH] feat: added eeprom service

---
 program/SVET/.vscode/settings.json           |  3 +-
 program/SVET/lib/SVET/Flash/FlashMapping.h   | 12 +++++
 program/SVET/lib/SVET/Flash/FlashService.cpp | 43 ++++++++++++++++++
 program/SVET/lib/SVET/Flash/FlashService.h   | 47 ++++++++++++++++++++
 program/SVET/platformio.ini                  |  3 +-
 5 files changed, 106 insertions(+), 2 deletions(-)
 create mode 100644 program/SVET/lib/SVET/Flash/FlashMapping.h
 create mode 100644 program/SVET/lib/SVET/Flash/FlashService.cpp
 create mode 100644 program/SVET/lib/SVET/Flash/FlashService.h

diff --git a/program/SVET/.vscode/settings.json b/program/SVET/.vscode/settings.json
index 64e220b..ba58895 100644
--- a/program/SVET/.vscode/settings.json
+++ b/program/SVET/.vscode/settings.json
@@ -51,6 +51,7 @@
         "streambuf": "cpp",
         "cinttypes": "cpp",
         "typeinfo": "cpp",
-        "variant": "cpp"
+        "variant": "cpp",
+        "hash_map": "cpp"
     }
 }
\ No newline at end of file
diff --git a/program/SVET/lib/SVET/Flash/FlashMapping.h b/program/SVET/lib/SVET/Flash/FlashMapping.h
new file mode 100644
index 0000000..6443dec
--- /dev/null
+++ b/program/SVET/lib/SVET/Flash/FlashMapping.h
@@ -0,0 +1,12 @@
+#pragma once
+
+class FlashMapping{
+    public:
+    char* key;
+    short size;
+
+    FlashMapping(char* key, short size){
+        this->key = key;
+        this->size = size;
+    }
+};
\ No newline at end of file
diff --git a/program/SVET/lib/SVET/Flash/FlashService.cpp b/program/SVET/lib/SVET/Flash/FlashService.cpp
new file mode 100644
index 0000000..c7aed15
--- /dev/null
+++ b/program/SVET/lib/SVET/Flash/FlashService.cpp
@@ -0,0 +1,43 @@
+#include "FlashService.h"
+#include <EEPROM.h>
+
+/*
+ * Implementation of Flash service. Docs on header file.
+ * Writed on 21.10.2024 17:11
+ * By Lisoveliy
+ */
+
+FlashService::FlashService(int allocSize)
+{
+    EEPROM.begin(allocSize);
+}
+
+bool FlashService::WriteData(char *key, void *object, size_t size)
+{
+    try
+    {
+        flashMap.insert(flashHashMap::value_type(FlashMapping(key, size), this->addressPointer));
+        EEPROM.put(addressPointer, object);
+        addressPointer += size;
+        return true;
+    }
+    catch (...)
+    {
+        return false;
+    }
+}
+
+bool FlashService::WriteData(char *key, char data)
+{
+    try
+    {
+        flashMap.insert(flashHashMap::value_type(FlashMapping(key, 1), this->addressPointer));
+        EEPROM.write(addressPointer, data);
+        addressPointer++;
+        return true;
+    }
+    catch (...)
+    {
+        return false;
+    }
+}
\ No newline at end of file
diff --git a/program/SVET/lib/SVET/Flash/FlashService.h b/program/SVET/lib/SVET/Flash/FlashService.h
new file mode 100644
index 0000000..68a33c3
--- /dev/null
+++ b/program/SVET/lib/SVET/Flash/FlashService.h
@@ -0,0 +1,47 @@
+#pragma once
+#include "FlashMapping.h"
+#include <unordered_map>
+/*
+ * Definition of Flash service.
+ * Writed on 21.10.2024 17:11
+ * By Lisoveliy
+ */
+typedef std::unordered_map<FlashMapping, int> flashHashMap;
+class FlashService{
+    private:
+    flashHashMap flashMap;
+    int addressPointer = 0;
+
+    public:
+    /// @brief Flash Service constructor
+    /// @param allocSize Size of Flash Allocation (in bytes) (default - 128kb)
+    FlashService(int allocSize = 0x20000);
+
+    /// @brief Write data object by key
+    /// @param key string key for hash
+    /// @param object any type of object casted to void*
+    /// @return true on success, false on failure (IDKWhat kind of failure)
+    bool WriteData(char* key, void* object, size_t size);
+
+    /// @brief Write byte data by key
+    /// @param key string key for hash
+    /// @param data byte of data
+    /// @return 
+    bool WriteData(char* key, char data);
+
+    /// @brief Update data object by key
+    /// @param key 
+    /// @param object 
+    /// @return true on success, false on failure (for example not same size of object)
+    bool UpdateData(char* key, void* object);
+
+    /// @brief Remove data object by key
+    /// @param key string key for hash
+    /// @return true on success, false on failure (IDKWhat kind of failure)
+    bool RemoveData(char* key);
+
+    /// @brief Read data object by key
+    /// @param key string key for hash
+    /// @return data object
+    void* ReadData(char* key);
+};
\ No newline at end of file
diff --git a/program/SVET/platformio.ini b/program/SVET/platformio.ini
index f7a3c28..4e96f3f 100644
--- a/program/SVET/platformio.ini
+++ b/program/SVET/platformio.ini
@@ -14,4 +14,5 @@ board = nodemcuv2
 framework = arduino
 monitor_rts = 0
 upload_speed = 378000
-monitor_speed = 19200
\ No newline at end of file
+monitor_speed = 19200
+lib_deps = eeprom
\ No newline at end of file