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//EX. SD2SPIFFS("/mp3/bgm001.mp3", "/bgm001.mp3"); |
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//======================================================================== //FILE TRANSFER //======================================================================== const int BUFFER_SIZE = 512; bool SD2SPIFFS(const char *filename_S, const char *filename_D) { bool rs = true; //SD_FILE_OPEN_CHECK File SD_FILE = SD.open(filename_S, FILE_READ ); if (!SD_FILE || SD_FILE.isDirectory()) { return false; } //SPIFFS_FILE_Find_out_what_already_exists if (SPIFFS.exists(filename_D)) { SD_FILE.close(); return false; } // M5.Lcd.print("SD2SPIFFS FILE:"); M5.Lcd.print(filename_S); //SIZE READ size_t F_SIZE_S = SD_FILE.size(); //SPIFFS SPACE CHECK 2019/3/31 Add if (SPIFFS.totalBytes() - SPIFFS.usedBytes() < F_SIZE_S) { M5.Lcd.print("\nNO SPACE for SPIFFS!\n"); SD_FILE.close(); delay(200); return false; } //SPIFFS_FILE_OPEN File SPI_FILE = SPIFFS.open(filename_D, FILE_WRITE ); if (!SPI_FILE) { SD_FILE.close(); SPI_FILE.close(); return false; } // M5.Lcd.print("\nPLEASE WAIT..."); //FILE DATA COPY SD To SPIFFS uint8_t buf[BUFFER_SIZE]; size_t CT = 0, NCT = 0; while (1) { if (CT + BUFFER_SIZE >= F_SIZE_S) { if (SD_FILE.read(buf, F_SIZE_S - CT) == -1) { rs = false; break; } if (SPI_FILE.write(buf, F_SIZE_S - CT) == -1) { rs = false; break; } break; } CT += BUFFER_SIZE; if (SD_FILE.read(buf, BUFFER_SIZE) == -1) { rs = false; break; } if (SPI_FILE.write(buf, BUFFER_SIZE) == -1) { rs = false; break; } if (NCT % 50 == 0)M5.Lcd.print("@"); NCT++; delay(1); } M5.Lcd.print("\n"); //CLOSE SD_FILE.close(); SPI_FILE.close(); return rs; } |