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