initial commit

2026-02-12 00:45:31 -08:00
commit 5f168f370b
3024 changed files with 804889 additions and 0 deletions
--- a/examples/LVGL_Image/SD_Card.cpp
+++ b/examples/LVGL_Image/SD_Card.cpp
@@ -0,0 +1,113 @@
+#include "SD_Card.h"
+
+uint16_t SDCard_Size;
+uint16_t Flash_Size;
+
+void SD_Init() {
+  // SD         
+  if (SD.begin(SD_CS, SPI, 80000000, "/sd", 5, true)) {
+    printf("SD card initialization successful!\r\n");
+  } else {
+    printf("SD card initialization failed!\r\n");
+  }
+  uint8_t cardType = SD.cardType();
+  if(cardType == CARD_NONE){
+      printf("No SD card attached\r\n");
+      return;
+  }
+  else{
+    printf("SD Card Type: ");
+    if(cardType == CARD_MMC){
+      printf("MMC\r\n");
+    } else if(cardType == CARD_SD){
+      printf("SDSC\r\n");
+    } else if(cardType == CARD_SDHC){
+      printf("SDHC\r\n");
+    } else {
+      printf("UNKNOWN\r\n");
+    }
+    uint64_t totalBytes = SD.totalBytes();
+    uint64_t usedBytes = SD.usedBytes();
+    SDCard_Size = totalBytes/(1024*1024);
+    printf("Total space: %llu\n", totalBytes);
+    printf("Used space: %llu\n", usedBytes);
+    printf("Free space: %llu\n", totalBytes - usedBytes);
+  }
+}
+bool File_Search(const char* directory, const char* fileName)    
+{
+  File Path = SD.open(directory);
+  if (!Path) {
+    printf("Path: <%s> does not exist\r\n",directory);
+    return false;
+  }
+  File file = Path.openNextFile();
+  while (file) {
+    if (strcmp(file.name(), fileName) == 0) {                           
+      if (strcmp(directory, "/") == 0)
+        printf("File '%s%s' found in root directory.\r\n",directory,fileName);  
+      else
+        printf("File '%s/%s' found in root directory.\r\n",directory,fileName); 
+      Path.close();                                                     
+      return true;                                                     
+    }
+    file = Path.openNextFile();                                        
+  }
+  if (strcmp(directory, "/") == 0)
+    printf("File '%s%s' not found in root directory.\r\n",directory,fileName);           
+  else
+    printf("File '%s/%s' not found in root directory.\r\n",directory,fileName);          
+  Path.close();                                                         
+  return false;                                                         
+}
+uint16_t Folder_retrieval(const char* directory, const char* fileExtension, char File_Name[][100],uint16_t maxFiles)    
+{
+  File Path = SD.open(directory);
+  if (!Path) {
+    printf("Path: <%s> does not exist\r\n",directory);
+    return false;
+  }
+  
+  uint16_t fileCount = 0;
+  char filePath[100];
+  File file = Path.openNextFile();
+  while (file && fileCount < maxFiles) {
+    if (!file.isDirectory() && strstr(file.name(), fileExtension)) {
+      strncpy(File_Name[fileCount], file.name(), sizeof(File_Name[fileCount])); 
+      if (strcmp(directory, "/") == 0) {                                      
+        snprintf(filePath, 100, "%s%s", directory, file.name());   
+      } else {                                                            
+        snprintf(filePath, 100, "%s/%s", directory, file.name());
+      }
+      printf("File found: %s\r\n", filePath);
+      fileCount++;
+    }
+    file = Path.openNextFile();                                      
+  }
+  Path.close();                                                         
+  if (fileCount > 0) {
+    printf(" %d <%s> files were retrieved\r\n",fileCount,fileExtension);
+    return fileCount;                                                 
+  } else {
+    printf("No files with extension '%s' found in directory: %s\r\n", fileExtension, directory);
+    return 0;                                                         
+  }
+}
+
+void remove_file_extension(char *file_name) {
+  char *last_dot = strrchr(file_name, '.');
+  if (last_dot != NULL) {
+    *last_dot = '\0'; 
+  }
+}
+
+void Flash_test()
+{
+  printf("/********** RAM Test**********/\r\n");
+  // Get Flash size
+  uint32_t flashSize = ESP.getFlashChipSize();
+  Flash_Size = flashSize/1024/1024;
+  printf("Flash size: %d MB \r\n", flashSize/1024/1024);
+
+  printf("/******* RAM Test Over********/\r\n\r\n");
+}