Initial commit

src/storage/storage.cpp

@@ -0,0 +1,106 @@
+#include "storage.h"
+#include "memory/memory.h"
+#include "defs/sprite_data.h"
+
+const char* TAG_S = "[STORAGE]";
+
+void storage_init() {
+    if (!SPIFFS.begin(true)) {
+        printf("%s Failed to mount file system\n", TAG_S);
+    } else {
+        printf("%s File system mounted successfully\n", TAG_S);
+    }
+}
+
+
+void storage_readFile(const char* path, struct SpriteData* spriteData) {
+    File file = SPIFFS.open(path, "r");
+    if (!file) {
+        printf("%s Failed to open file for reading\n", TAG_S);
+        return;
+    }
+
+    size_t bytesRead = 0;
+    size_t fileSize = file.size();
+    
+    bytesRead += file.read(&spriteData->spriteWidth, 1);
+    bytesRead += file.read(&spriteData->spriteHeight, 1);
+    bytesRead += file.read(&spriteData->spriteNumber, 1);
+
+    printf("%s Read header: width=%d, height=%d, numSprites=%d\n", 
+        TAG_S, spriteData->spriteWidth, spriteData->spriteHeight, spriteData->spriteNumber);
+
+    fileSize = (fileSize - 3) / sizeof(uint16_t);
+
+    spriteData->spriteData = memory_allocate(spriteData->spriteNumber, spriteData->spriteWidth, spriteData->spriteHeight);
+
+    size_t bufferSize = spriteData->spriteNumber * spriteData->spriteWidth * spriteData->spriteHeight;
+
+    uint8_t highByte;
+    uint8_t lowByte;
+
+    for (int sprN = 0; sprN < spriteData->spriteNumber; sprN++) {
+        for (int i = 0; i < spriteData->spriteWidth * spriteData->spriteHeight; i++) {
+            bytesRead += file.read(&highByte, 1);
+            bytesRead += file.read(&lowByte, 1);
+
+            uint16_t pixel = (highByte << 8) | lowByte;
+
+            if (i < bufferSize) {
+                (spriteData->spriteData)[sprN][i] = pixel;
+            } else {
+                printf("%s Buffer overflow, skipping pixel\n", TAG_S);
+                break;
+            }
+        }
+    }
+
+    printf("%s Read %zu bytes from file %s\n", TAG_S, bytesRead, path);
+
+    file.close();
+}
+
+void storage_initBackground(const char* path, TFT_eSprite& bg) {
+    File file = SPIFFS.open(path, "r");
+    if (!file) {
+        printf("%s Failed to open file for reading\n", TAG_S);
+        return;
+    }
+
+    size_t bytesRead = 0;
+
+    size_t fileSize = file.size();
+
+    uint8_t width;
+    uint8_t height;
+
+    bytesRead += file.read(&width, 1);
+    bytesRead += file.read(&height, 1);
+
+    printf("%s Read header: width=%d, height=%d\n", TAG_S, width, height);
+
+    fileSize = (fileSize - 2) / sizeof(uint16_t); 
+
+    bg.createSprite(width, height);
+
+    for(int i = 0; i < width * height; i++) {
+        uint8_t highByte;
+        uint8_t lowByte;
+
+        bytesRead += file.read(&highByte, 1);
+        bytesRead += file.read(&lowByte, 1);
+
+        uint16_t pixel = (highByte << 8) | lowByte;
+
+        if (i < fileSize) {
+            bg.drawPixel(i % width, i / width, pixel);
+        } else {
+            printf("%s Buffer overflow, skipping pixel\n", TAG_S);
+            break;
+        }
+    }
+
+    printf("%s Read %zu bytes from file %s\n", TAG_S, bytesRead, path);
+
+    file.close();
+}

src/storage/storage.h

@@ -0,0 +1,14 @@
+#ifndef STORAGE_H
+#define STORAGE_H
+
+#include <SPIFFS.h>
+#include <stdio.h>
+#include <TFT_eSPI.h>
+
+#include "defs/sprite_data.h"
+
+void storage_init();
+void storage_readFile(const char* path, struct SpriteData* spriteData);
+void storage_initBackground(const char* path, TFT_eSprite& bg);
+
+#endif