90 lines
2.3 KiB
C++
90 lines
2.3 KiB
C++
#include <SPI.h>
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#include <SD.h>
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#include <Wire.h>
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#include <MultiLCD.h>
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// set up variables using the SD utility library functions:
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Sd2Card card;
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SdVolume volume;
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SdFile root;
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const int chipSelect = 10;
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// set up access to LCD screen
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LCD_ILI9341 lcd;
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void setup()
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{
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lcd.begin();
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lcd.setFont(FONT_SIZE_SMALL);
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lcd.setTextColor(RGB16_YELLOW);
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lcd.println("Initializing SD card...");
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pinMode(chipSelect, OUTPUT);
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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 (!card.init(SPI_FULL_SPEED, chipSelect)) {
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lcd.setTextColor(RGB16_RED);
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lcd.println("\nInitialization failed. Things to check:");
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lcd.setTextColor(RGB16_WHITE);
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lcd.println("* Is a card is inserted?");
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lcd.println("* Is your wiring correct?");
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lcd.println("* Does the chipSelect pin match your shield?");
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return;
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} else {
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lcd.setTextColor(RGB16_CYAN);
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lcd.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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lcd.setTextColor(RGB16_GREEN);
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lcd.print("\nCard Type: ");
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switch(card.type()) {
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case SD_CARD_TYPE_SD1:
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lcd.println("SD1");
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break;
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case SD_CARD_TYPE_SD2:
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lcd.println("SD2");
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break;
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case SD_CARD_TYPE_SDHC:
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lcd.println("SDHC");
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break;
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default:
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lcd.println("Unknown");
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}
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lcd.setTextColor(RGB16_WHITE);
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// Now we will try to open the 'volume'/'partition' - it should be FAT16 or FAT32
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if (!volume.init(card)) {
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lcd.println("Could not find FAT16/FAT32 partition.\nMake sure you've formatted the card");
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return;
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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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lcd.print("\nVolume Type: FAT");
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lcd.println(volume.fatType(), DEC);
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lcd.println();
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volumesize = volume.blocksPerCluster(); // clusters are collections of blocks
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volumesize *= volume.clusterCount(); // we'll have a lot of clusters
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volumesize *= 512; // SD card blocks are always 512 bytes
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lcd.print("Volume size: ");
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lcd.print(volumesize);
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lcd.print(" bytes (");
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lcd.print(volumesize >> 20);
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lcd.println("MB)");
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lcd.println("\nFiles found on SD (name, date and size in bytes)");
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root.openRoot(volume);
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// list all files in the card with date and size
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root.ls(LS_R | LS_DATE | LS_SIZE);
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}
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void loop(void)
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{
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}
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