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MicroDexed/third-party/SdFs/examples/OpenNext/OpenNext.ino

93 lines
2.4 KiB

/*
* Print size, modify date/time, and name for all files in root.
*/
#include "SdFs.h"
// SD_FAT_TYPE = 1 for FAT16/FAT32, 2 for exFAT, 3 for FAT16/FAT32 and exFAT.
#define SD_FAT_TYPE 1
/*
Change the value of SD_CS_PIN if you are using SPI and
your hardware does not use the default value, SS.
Common values are:
Arduino Ethernet shield: pin 4
Sparkfun SD shield: pin 8
Adafruit SD shields and modules: pin 10
*/
// SDCARD_SS_PIN is defined for the built-in SD on some boards.
#ifndef SDCARD_SS_PIN
const uint8_t SD_CS_PIN = SS;
#else // SDCARD_SS_PIN
// Assume built-in SD is used.
const uint8_t SD_CS_PIN = SDCARD_SS_PIN;
#endif // SDCARD_SS_PIN
// Try to select the best SD card configuration.
#if HAS_SDIO_CLASS
#define SD_CONFIG SdioConfig(FIFO_SDIO)
#elif ENABLE_DEDICATED_SPI
#define SD_CONFIG SdSpiConfig(SD_CS_PIN, DEDICATED_SPI)
#else // HAS_SDIO_CLASS
#define SD_CONFIG SdSpiConfig(SD_CS_PIN, SHARED_SPI)
#endif // HAS_SDIO_CLASS
#if SD_FAT_TYPE == 1
SdFat sd;
File dir;
File file;
#elif SD_FAT_TYPE == 2
SdExFat sd;
ExFile dir;
ExFile file;
#elif SD_FAT_TYPE == 3
SdFs sd;
FsFile dir;
FsFile file;
#else // SD_FAT_TYPE
#error invalid SD_FAT_TYPE
#endif // SD_FAT_TYPE
//------------------------------------------------------------------------------
// Store error strings in flash to save RAM.
#define error(s) sd.errorHalt(&Serial, F(s))
//------------------------------------------------------------------------------
void setup() {
Serial.begin(9600);
// Wait for USB Serial
while (!Serial) {
SysCall::yield();
}
Serial.println("Type any character to start");
while (!Serial.available()) {
SysCall::yield();
}
// Initialize the SD.
if (!sd.begin(SD_CONFIG)) {
sd.initErrorHalt(&Serial);
}
// Open root directory
if (!dir.open("/")){
error("dir.open failed");
}
// Open next file in root.
// Warning, openNext starts at the current position of dir so a
// rewind may be necessary in your application.
while (file.openNext(&dir, O_READ)) {
file.printFileSize(&Serial);
Serial.write(' ');
file.printModifyDateTime(&Serial);
Serial.write(' ');
file.printName(&Serial);
if (file.isDir()) {
// Indicate a directory.
Serial.write('/');
}
Serial.println();
file.close();
}
Serial.println("Done!");
}
//------------------------------------------------------------------------------
void loop() {}