SdFat/examples/UnicodeFilenames/UnicodeFilenames.ino
2025-01-01 07:54:38 -08:00

105 lines
No EOL
2.9 KiB
C++

// Simple test of Unicode filename.
// Unicode is supported as UTF-8 encoded strings.
#define DISABLE_FS_H_WARNING // Disable warning for type File not defined.
#include "SdFat.h"
// SD_FAT_TYPE = 0 for SdFat/File as defined in SdFatConfig.h,
// 1 for FAT16/FAT32, 2 for exFAT, 3 for FAT16/FAT32 and exFAT.
#if defined __has_include
#if __has_include(<FS.h>)
#define SD_FAT_TYPE 3 // Can't use SdFat/File
#endif // __has_include(<FS.h>)
#endif // defined __has_include
// USE_UTF8_LONG_NAMES must be non-zero in SdFat/src/SdFatCongfig.h
#if USE_UTF8_LONG_NAMES
#define UTF8_FOLDER u8"😀"
const char* names[] = {u8"россиянин", u8"très élégant", u8"狗.txt", nullptr};
// Remove files if non-zero.
#define REMOVE_UTF8_FILES 1
// SDCARD_SS_PIN is defined for the built-in SD on some boards.
#ifndef SDCARD_SS_PIN
const uint8_t SD_CS_PIN = SS;
#else // SDCARD_SS_PIN
// Assume built-in SD is used.
const uint8_t SD_CS_PIN = SDCARD_SS_PIN;
#endif // SDCARD_SS_PIN
// Try to select the best SD card configuration.
#if defined(HAS_TEENSY_SDIO)
#define SD_CONFIG SdioConfig(FIFO_SDIO)
#elif defined(RP_CLK_GPIO) && defined(RP_CMD_GPIO) && defined(RP_DAT0_GPIO)
// See the Rp2040SdioSetup example for RP2040/RP2350 boards.
#define SD_CONFIG SdioConfig(RP_CLK_GPIO, RP_CMD_GPIO, RP_DAT0_GPIO)
#elif ENABLE_DEDICATED_SPI
#define SD_CONFIG SdSpiConfig(SD_CS_PIN, DEDICATED_SPI, SD_SCK_MHZ(16))
#else // HAS_TEENSY_SDIO
#define SD_CONFIG SdSpiConfig(SD_CS_PIN, SHARED_SPI, SD_SCK_MHZ(16))
#endif // HAS_TEENSY_SDIO
#if SD_FAT_TYPE == 0
SdFat sd;
File file;
#elif SD_FAT_TYPE == 1
SdFat32 sd;
File32 file;
#elif SD_FAT_TYPE == 2
SdExFat sd;
ExFile file;
#elif SD_FAT_TYPE == 3
SdFs sd;
FsFile file;
#else // SD_FAT_TYPE
#error Invalid SD_FAT_TYPE
#endif // SD_FAT_TYPE
void setup() {
Serial.begin(9600);
while (!Serial) {
yield();
}
Serial.println("Type any character to begin");
while (!Serial.available()) {
yield();
}
if (!sd.begin(SD_CONFIG)) {
sd.initErrorHalt(&Serial);
}
if (!sd.exists(UTF8_FOLDER)) {
if (!sd.mkdir(UTF8_FOLDER)) {
Serial.println("sd.mkdir failed");
return;
}
}
if (!sd.chdir(UTF8_FOLDER)) {
Serial.println("sd.chdir failed");
return;
}
for (uint8_t i = 0; names[i]; i++) {
if (!file.open(names[i], O_WRONLY | O_CREAT)) {
Serial.println("file.open failed");
return;
}
file.println(names[i]);
file.close();
}
Serial.println("ls:");
sd.ls("/", LS_SIZE | LS_R);
#if REMOVE_UTF8_FILES // For debug test of remove and rmdir.
for (uint8_t i = 0; names[i]; i++) {
sd.remove(names[i]);
}
sd.chdir();
sd.rmdir(UTF8_FOLDER);
Serial.println("After remove and rmdir");
sd.ls(LS_SIZE | LS_R);
#endif // REMOVE_UTF8_FILES
Serial.println("Done!");
}
void loop() {}
#else // USE_UTF8_LONG_NAMES
#error USE_UTF8_LONG_NAMES must be non-zero in SdFat/src/SdFatCongfig.h
#endif // USE_UTF8_LONG_NAMES