#include "SD_Card.h" #include "Display_ST7789.h" uint16_t SDCard_Size = 0; bool SD_Init() { pinMode(SD_CS, OUTPUT); digitalWrite(SD_CS, HIGH); if (!SD.begin(SD_CS, SPI)) { Serial.println("SD init failed"); return false; } if (SD.cardType() == CARD_NONE) { Serial.println("No SD card"); return false; } SDCard_Size = SD.totalBytes() / (1024 * 1024); return true; }