49 lines
1.1 KiB
Arduino
49 lines
1.1 KiB
Arduino
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/*
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* This sketch will list all files in the root directory and
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* then do a recursive list of all directories on the SD card.
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*
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*/
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#include <SdFat.h>
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#include <SdFatUtil.h>
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const uint8_t SD_CHIP_SELECT = SS;
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SdFat sd;
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// store error strings in flash to save RAM
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#define error(s) sd.errorHalt_P(PSTR(s))
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void setup() {
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Serial.begin(9600);
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while (!Serial) {} // wait for Leonardo
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PgmPrintln("Type any character to start");
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while (Serial.read() <= 0) {}
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delay(200); // Catch Due reset problem
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PgmPrint("Free RAM: ");
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Serial.println(FreeRam());
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// initialize the SD card at SPI_HALF_SPEED to avoid bus errors with
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// breadboards. use SPI_FULL_SPEED for better performance.
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if (!sd.begin(SD_CHIP_SELECT, SPI_HALF_SPEED)) sd.initErrorHalt();
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PgmPrint("Volume is FAT");
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Serial.println(sd.vol()->fatType(), DEC);
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Serial.println();
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// list file in root with date and size
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PgmPrintln("Files found in root:");
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sd.ls(LS_DATE | LS_SIZE);
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Serial.println();
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// Recursive list of all directories
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PgmPrintln("Files found in all dirs:");
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sd.ls(LS_R);
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Serial.println();
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PgmPrintln("Done");
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}
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void loop() { }
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