#include <USBHost_t36.h>

// Setup USBHost_t36 and as many HUB ports as needed.
USBHost myusb;
USBHub hub1(myusb);

// Instances for one drive
USBDrive myDrive(myusb);

// Instances for accessing the files on the drive
USBFilesystem myFiles(myusb);

// Show USB drive information for the selected USB drive.
void printDriveInfo(USBDrive &drive) {
  // Print USB drive information.
  Serial.printf(F("       connected: %d\n"), drive.msDriveInfo.connected);
  Serial.printf(F("     initialized: %d\n"), drive.msDriveInfo.initialized);
  Serial.printf(F("   USB Vendor ID: %4.4x\n"), drive.msDriveInfo.idVendor);
  Serial.printf(F("  USB Product ID: %4.4x\n"), drive.msDriveInfo.idProduct);
  Serial.printf(F("      HUB Number: %d\n"), drive.msDriveInfo.hubNumber);
  Serial.printf(F("        HUB Port: %d\n"), drive.msDriveInfo.hubPort);
  Serial.printf(F("  Device Address: %d\n"), drive.msDriveInfo.deviceAddress);
  Serial.printf(F("Removable Device: "));
  if(drive.msDriveInfo.inquiry.Removable == 1) {
    Serial.printf(F("YES\n"));
  } else {
    Serial.printf(F("NO\n"));
  }
  Serial.printf(F("        VendorID: %8.8s\n"), drive.msDriveInfo.inquiry.VendorID);
  Serial.printf(F("       ProductID: %16.16s\n"), drive.msDriveInfo.inquiry.ProductID);
  Serial.printf(F("      RevisionID: %4.4s\n"), drive.msDriveInfo.inquiry.RevisionID);
  Serial.printf(F("         Version: %d\n"), drive.msDriveInfo.inquiry.Version);
  Serial.printf(F("    Sector Count: %ld\n"), drive.msDriveInfo.capacity.Blocks);
  Serial.printf(F("     Sector size: %ld\n"), drive.msDriveInfo.capacity.BlockSize);
  uint64_t drivesize = drive.msDriveInfo.capacity.Blocks;
  drivesize *= drive.msDriveInfo.capacity.BlockSize;
  Serial.print(F("   Disk Capacity: "));
  Serial.print(drivesize);
  Serial.println(" Bytes");
  drive.printPartionTable(Serial);
  Serial.println();
}

// Show USB filesystem information
void printFilesystemInfo(USBFilesystem &fs) {
  // print the type and size of the first FAT-type volume
  char volname[32];
  fs.mscfs.getVolumeLabel(volname, sizeof(volname));
  Serial.print("Volume name: ");
  Serial.println(volname);
  Serial.print("Volume type: FAT");
  Serial.println(fs.mscfs.fatType(), DEC);
  Serial.print("Cluster Size: ");
  Serial.print(fs.mscfs.bytesPerCluster());
  Serial.println(" bytes");
  Serial.print("Volume size: ");
  Serial.print(fs.totalSize());
  Serial.println(" bytes");
  Serial.print(" Space used: ");
  elapsedMillis ms = 0;
  Serial.print(fs.usedSize());
  Serial.print(" bytes  (");
  Serial.print(ms);
  Serial.println(" ms to compute)");
  Serial.println();
  Serial.println("Files:");
  fs.mscfs.ls(LS_R | LS_DATE | LS_SIZE);
  Serial.println();
}


void setup()
{
  Serial.begin(9600);
  while (!Serial) {
    ; // wait for Arduino Serial Monitor to connect.
  }

  myusb.begin();
  Serial.println("\nWaiting for Drive to initialize...");

  // Wait for the drive to start.
  while (!myFiles) {
    myusb.Task();
  }

  Serial.printf("Device Info:\n");
  printDriveInfo(myDrive);

  elapsedMillis em;
  while (!myFiles && (em < 1000)) {
    myusb.Task();
  }
  if (myFiles) {
    printFilesystemInfo(myFiles);
  } else {
    Serial.println("\n*** No Fat Filesystem Partitions found on drive **");
  }
}


void loop(void) {

}