50 lines
1.1 KiB
Arduino
50 lines
1.1 KiB
Arduino
|
/**
|
||
|
|
* @file sd.ino
|
||
|
|
* @brief SD card (SPI) directory listing example for the ESP32 Arduino LVGL
|
||
|
|
* WiFi/Bluetooth Development Board with 2.4" LCD TFT module
|
||
|
|
* @see
|
||
|
|
* https://github.com/pschatzmann/arduino-audio-tools/wiki/Audio-Boards#esp32-arduino-lvgl-wifibluetooth-development-board-24inch-lcd-tft-module
|
||
|
|
* @author Phil Schatzmann
|
||
|
|
* @copyright GPLv3
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <SPI.h>
|
||
|
|
#include <SD.h>
|
||
|
|
|
||
|
|
constexpr int8_t SD_SCK = 18;
|
||
|
|
constexpr int8_t SD_MISO = 19;
|
||
|
|
constexpr int8_t SD_MOSI = 23;
|
||
|
|
constexpr int8_t SD_CS = 5;
|
||
|
|
|
||
|
|
SPIClass sdSPI(VSPI);
|
||
|
|
|
||
|
|
void list() {
|
||
|
|
File root = SD.open("/");
|
||
|
|
File entry;
|
||
|
|
while ((entry = root.openNextFile())) {
|
||
|
|
Serial.printf(" %s (%u bytes)\n", entry.name(), entry.size());
|
||
|
|
entry.close();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void setup() {
|
||
|
|
Serial.begin(115200);
|
||
|
|
|
||
|
|
sdSPI.begin(SD_SCK, SD_MISO, SD_MOSI, SD_CS);
|
||
|
|
if (!SD.begin(SD_CS, sdSPI)) {
|
||
|
|
Serial.println("SD.begin() failed - check CS pin and wiring.");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
Serial.printf("SD card type: %d, size: %llu MB\n", SD.cardType(),
|
||
|
|
SD.cardSize() / (1024 * 1024));
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
void loop() {
|
||
|
|
Serial.println("-------------------");
|
||
|
|
list();
|
||
|
|
Serial.println();
|
||
|
|
delay(10000);
|
||
|
|
}
|