mirror of
https://git.mirrors.martin98.com/https://github.com/luc-github/ESP3D.git
synced 2025-07-30 04:31:57 +08:00
93312ff8b5
* Update WebSocket library * Update SSDP library * Update TFT_eSPI library * Update EspLuaEngine library * Update SDFat library * Change to pioarduino * Make ESP3DMessageFIFO and ESP3DMessage more thread safe * Fix sanity checks for BT * Add some C6 support * Refactor ethernet code * Split Ethernet Sta / WiFi sta ESP Commands and settings * Simplify wait and wdtFeed code * Set C3 with 4MB by default in platformio.ini * Apply Disable brown out only on ESP32 to avoid crash e.g:ESP32S3 * Add missing entries in platformio.ini
84 lines
2.0 KiB
C++
84 lines
2.0 KiB
C++
// A simple read/write example for SD.h.
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// Mostly from the SD.h ReadWrite example.
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//
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// Your SD must be formatted FAT16/FAT32.
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//
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// SD.h does not support some default SdFat features.
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// To compare flash size, set USE_FAT_FILE_FLAG_CONTIGUOUS,
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// ENABLE_DEDICATED_SPI, and USE_LONG_FILE_NAMES to zero also
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// set SDFAT_FILE_TYPE to one in SdFat/src/SdFatCongfig.h
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//
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// Set USE_SD_H nonzero to use SD.h.
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// Set USE_SD_H zero to use SdFat.h.
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//
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#define USE_SD_H 0
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//
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#if USE_SD_H
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#include <SD.h>
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#else // USE_SD_H
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#include "SdFat.h"
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SdFat SD;
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#endif // USE_SD_H
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// Modify SD_CS_PIN for your board.
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// For Teensy 3.6 and SdFat.h use BUILTIN_SDCARD.
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#define SD_CS_PIN SS
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File myFile;
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void setup() {
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Serial.begin(9600);
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while (!Serial) {
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}
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#if USE_SD_H
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Serial.println(F("Using SD.h. Set USE_SD_H zero to use SdFat.h."));
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#else // USE_SD_H
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Serial.println(F("Using SdFat.h. Set USE_SD_H nonzero to use SD.h."));
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#endif // USE_SD_H
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Serial.println(F("\nType any character to begin."));
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while (!Serial.available()) {
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yield();
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}
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Serial.print("Initializing SD card...");
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if (!SD.begin(SD_CS_PIN)) {
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Serial.println("initialization failed!");
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return;
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}
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Serial.println("initialization done.");
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// open the file.
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myFile = SD.open("test.txt", FILE_WRITE);
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// if the file opened okay, write to it:
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if (myFile) {
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Serial.print("Writing to test.txt...");
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myFile.println("testing 1, 2, 3.");
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// close the file:
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myFile.close();
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Serial.println("done.");
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} else {
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// if the file didn't open, print an error:
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Serial.println("error opening test.txt");
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}
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// re-open the file for reading:
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myFile = SD.open("test.txt");
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if (myFile) {
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Serial.println("test.txt:");
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// read from the file until there's nothing else in it:
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while (myFile.available()) {
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Serial.write(myFile.read());
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}
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// close the file:
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myFile.close();
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} else {
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// if the file didn't open, print an error:
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Serial.println("error opening test.txt");
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}
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}
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void loop() {
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// nothing happens after setup
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} |