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/*
* Print size, modify date/time, and name for all files in root.
*/
/*********************************************************************
Adafruit invests time and resources providing this open source code,
please support Adafruit and open-source hardware by purchasing
products from Adafruit!
*********************************************************************/
#include <SPI.h>
#include "SdFat.h"
#include <Adafruit_Floppy.h>
// If using SAMD51, turn on TINYUSB USB stack
#if defined(ADAFRUIT_FEATHER_M4_EXPRESS)
#define DENSITY_PIN A0 // IDC 2
#define INDEX_PIN A1 // IDC 8
#define SELECT_PIN A2 // IDC 12
#define MOTOR_PIN A3 // IDC 16
#define DIR_PIN A4 // IDC 18
#define STEP_PIN A5 // IDC 20
#define WRDATA_PIN 13 // IDC 22 (not used during read)
#define WRGATE_PIN 12 // IDC 24 (not used during read)
#define TRK0_PIN 11 // IDC 26
#define PROT_PIN 10 // IDC 28
#define READ_PIN 9 // IDC 30
#define SIDE_PIN 6 // IDC 32
#define READY_PIN 5 // IDC 34
#if F_CPU != 180000000L
#warning "please set CPU speed to 180MHz overclock"
#endif
#elif defined (ARDUINO_ADAFRUIT_FEATHER_RP2040)
#define DENSITY_PIN A0 // IDC 2
#define INDEX_PIN A1 // IDC 8
#define SELECT_PIN A2 // IDC 12
#define MOTOR_PIN A3 // IDC 16
#define DIR_PIN 24 // IDC 18
#define STEP_PIN 25 // IDC 20
#define WRDATA_PIN 13 // IDC 22 (not used during read)
#define WRGATE_PIN 12 // IDC 24 (not used during read)
#define TRK0_PIN 11 // IDC 26
#define PROT_PIN 10 // IDC 28
#define READ_PIN 9 // IDC 30
#define SIDE_PIN 8 // IDC 32
#define READY_PIN 7 // IDC 34
#if F_CPU != 200000000L
#warning "please set CPU speed to 200MHz overclock"
#endif
#elif defined (ARDUINO_RASPBERRY_PI_PICO)
#define DENSITY_PIN 2 // IDC 2
#define INDEX_PIN 3 // IDC 8
#define SELECT_PIN 4 // IDC 12
#define MOTOR_PIN 5 // IDC 16
#define DIR_PIN 6 // IDC 18
#define STEP_PIN 7 // IDC 20
#define WRDATA_PIN 8 // IDC 22 (not used during read)
#define WRGATE_PIN 9 // IDC 24 (not used during read)
#define TRK0_PIN 10 // IDC 26
#define PROT_PIN 11 // IDC 28
#define READ_PIN 12 // IDC 30
#define SIDE_PIN 13 // IDC 32
#define READY_PIN 14 // IDC 34
#if F_CPU != 200000000L
#warning "please set CPU speed to 200MHz overclock"
#endif
#else
#error "Please set up pin definitions!"
#endif
Adafruit_Floppy floppy(DENSITY_PIN, INDEX_PIN, SELECT_PIN,
MOTOR_PIN, DIR_PIN, STEP_PIN,
WRDATA_PIN, WRGATE_PIN, TRK0_PIN,
PROT_PIN, READ_PIN, SIDE_PIN, READY_PIN);
Adafruit_MFM_Floppy mfm_floppy(&floppy);
// file system object from SdFat
FatFileSystem fatfs;
FatFile root;
FatFile file;
//------------------------------------------------------------------------------
void setup() {
Serial.begin(115200);
// Wait for USB Serial
while (!Serial) {
SysCall::yield();
}
Serial.println("Floppy FAT directory listing demo");
// Init floppy drive - must spin up and find index
if (! mfm_floppy.begin()) {
Serial.println("Floppy didn't initialize - check wiring and diskette!");
}
// Init file system on the flash
fatfs.begin(&mfm_floppy);
if (!root.open("/")) {
Serial.println("open root failed");
}
// Open next file in root.
// Warning, openNext starts at the current directory position
// so a rewind of the directory may be required.
while (file.openNext(&root, O_RDONLY)) {
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();
}
if (root.getError()) {
Serial.println("openNext failed");
} else {
Serial.println("Done!");
}
}
//------------------------------------------------------------------------------
void loop() {
Serial.print("Read a file? >");
String filename;
do {
filename = Serial.readStringUntil('\n');
filename.trim();
} while (filename.length() == 0);
Serial.print("Reading file name: ");
Serial.println(filename);
// Open the file for reading and check that it was successfully opened.
// The FILE_READ mode will open the file for reading.
File dataFile = fatfs.open(filename, FILE_READ);
if (!dataFile) {
Serial.println("Failed to open data file! Does it exist?");
return;
}
// File was opened, now print out data character by character until at the
// end of the file.
Serial.println("Opened file, printing contents below:");
while (dataFile.available()) {
// Use the read function to read the next character.
// You can alternatively use other functions like readUntil, readString, etc.
// See the fatfs_full_usage example for more details.
char c = dataFile.read();
Serial.print(c);
}
}
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