115 lines
2.8 KiB
C++
Executable File
115 lines
2.8 KiB
C++
Executable File
#include "FS.h"
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#include <SPI.h>
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#include <SD.h>
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#define SCK 14
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#define MISO 12
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#define MOSI 13
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#define SS 15
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SPIClass SPISD(HSPI);
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void printDirectory(File dir, int numTabs);
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void setup() {
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// Open serial communications and wait for port to open:
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Serial.begin(115200);
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SPI.begin(SCK, MISO, MOSI, -1);
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while (!Serial) {
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; // wait for serial port to connect. Needed for native USB port only
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}
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Serial.print("MOSI: ");
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Serial.println(MOSI);
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Serial.print("MISO: ");
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Serial.println(MISO);
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Serial.print("SCK: ");
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Serial.println(SCK);
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Serial.print("SS: ");
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Serial.println(SS);
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Serial.print("\nInitializing SD card...");
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// we'll use the initialization code from the utility libraries
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// since we're just testing if the card is working!
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if (!SD.begin(SS)) {
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Serial.println("initialization failed. Things to check:");
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Serial.println("* is a card inserted?");
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Serial.println("* is your wiring correct?");
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Serial.println("* did you change the chipSelect pin to match your shield or module?");
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while (1);
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} else {
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Serial.println("Wiring is correct and a card is present.");
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}
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// print the type of card
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Serial.println();
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Serial.print("Card type: ");
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switch (SD.cardType()) {
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case CARD_NONE:
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Serial.println("NONE");
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break;
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case CARD_MMC:
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Serial.println("MMC");
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break;
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case CARD_SD:
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Serial.println("SD");
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break;
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case CARD_SDHC:
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Serial.println("SDHC");
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break;
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default:
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Serial.println("Unknown");
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}
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// print the type and size of the first FAT-type volume
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// uint32_t volumesize;
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// Serial.print("Volume type is: FAT");
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// Serial.println(SDFS.usefatType(), DEC);
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Serial.print("Card size: ");
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Serial.println((float)SD.cardSize()/1000);
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Serial.print("Total bytes: ");
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Serial.println(SD.totalBytes());
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Serial.print("Used bytes: ");
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Serial.println(SD.usedBytes());
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File dir = SD.open("/");
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printDirectory(dir, 0);
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}
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void loop(void) {
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}
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void printDirectory(File dir, int numTabs) {
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while (true) {
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File entry = dir.openNextFile();
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if (! entry) {
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// no more files
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break;
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}
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for (uint8_t i = 0; i < numTabs; i++) {
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Serial.print('\t');
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}
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Serial.print(entry.name());
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if (entry.isDirectory()) {
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Serial.println("/");
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printDirectory(entry, numTabs + 1);
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} else {
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// files have sizes, directories do not
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Serial.print("\t\t");
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Serial.print(entry.size(), DEC);
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time_t lw = entry.getLastWrite();
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struct tm * tmstruct = localtime(&lw);
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Serial.printf("\tLAST WRITE: %d-%02d-%02d %02d:%02d:%02d\n", (tmstruct->tm_year) + 1900, (tmstruct->tm_mon) + 1, tmstruct->tm_mday, tmstruct->tm_hour, tmstruct->tm_min, tmstruct->tm_sec);
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}
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entry.close();
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}
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}
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