Prvni ulozeni z chegewara githubu
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221
libraries/SD/examples/SD_Test/SD_Test.ino
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221
libraries/SD/examples/SD_Test/SD_Test.ino
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/*
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* Connect the SD card to the following pins:
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*
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* SD Card | ESP32
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* D2 -
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* D3 SS
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* CMD MOSI
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* VSS GND
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* VDD 3.3V
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* CLK SCK
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* VSS GND
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* D0 MISO
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* D1 -
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*/
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#include "FS.h"
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#include "SD.h"
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#include "SPI.h"
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void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
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Serial.printf("Listing directory: %s\n", dirname);
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File root = fs.open(dirname);
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if(!root){
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Serial.println("Failed to open directory");
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return;
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}
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if(!root.isDirectory()){
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Serial.println("Not a directory");
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return;
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}
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File file = root.openNextFile();
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while(file){
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if(file.isDirectory()){
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Serial.print(" DIR : ");
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Serial.println(file.name());
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if(levels){
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listDir(fs, file.path(), levels -1);
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}
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} else {
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Serial.print(" FILE: ");
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Serial.print(file.name());
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Serial.print(" SIZE: ");
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Serial.println(file.size());
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}
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file = root.openNextFile();
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}
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}
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void createDir(fs::FS &fs, const char * path){
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Serial.printf("Creating Dir: %s\n", path);
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if(fs.mkdir(path)){
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Serial.println("Dir created");
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} else {
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Serial.println("mkdir failed");
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}
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}
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void removeDir(fs::FS &fs, const char * path){
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Serial.printf("Removing Dir: %s\n", path);
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if(fs.rmdir(path)){
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Serial.println("Dir removed");
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} else {
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Serial.println("rmdir failed");
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}
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}
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void readFile(fs::FS &fs, const char * path){
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Serial.printf("Reading file: %s\n", path);
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File file = fs.open(path);
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if(!file){
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Serial.println("Failed to open file for reading");
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return;
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}
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Serial.print("Read from file: ");
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while(file.available()){
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Serial.write(file.read());
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}
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file.close();
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}
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void writeFile(fs::FS &fs, const char * path, const char * message){
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Serial.printf("Writing file: %s\n", path);
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File file = fs.open(path, FILE_WRITE);
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if(!file){
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Serial.println("Failed to open file for writing");
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return;
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}
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if(file.print(message)){
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Serial.println("File written");
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} else {
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Serial.println("Write failed");
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}
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file.close();
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}
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void appendFile(fs::FS &fs, const char * path, const char * message){
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Serial.printf("Appending to file: %s\n", path);
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File file = fs.open(path, FILE_APPEND);
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if(!file){
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Serial.println("Failed to open file for appending");
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return;
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}
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if(file.print(message)){
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Serial.println("Message appended");
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} else {
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Serial.println("Append failed");
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}
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file.close();
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}
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void renameFile(fs::FS &fs, const char * path1, const char * path2){
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Serial.printf("Renaming file %s to %s\n", path1, path2);
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if (fs.rename(path1, path2)) {
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Serial.println("File renamed");
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} else {
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Serial.println("Rename failed");
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}
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}
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void deleteFile(fs::FS &fs, const char * path){
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Serial.printf("Deleting file: %s\n", path);
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if(fs.remove(path)){
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Serial.println("File deleted");
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} else {
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Serial.println("Delete failed");
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}
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}
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void testFileIO(fs::FS &fs, const char * path){
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File file = fs.open(path);
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static uint8_t buf[512];
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size_t len = 0;
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uint32_t start = millis();
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uint32_t end = start;
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if(file){
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len = file.size();
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size_t flen = len;
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start = millis();
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while(len){
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size_t toRead = len;
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if(toRead > 512){
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toRead = 512;
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}
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file.read(buf, toRead);
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len -= toRead;
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}
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end = millis() - start;
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Serial.printf("%u bytes read for %u ms\n", flen, end);
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file.close();
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} else {
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Serial.println("Failed to open file for reading");
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}
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file = fs.open(path, FILE_WRITE);
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if(!file){
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Serial.println("Failed to open file for writing");
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return;
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}
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size_t i;
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start = millis();
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for(i=0; i<2048; i++){
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file.write(buf, 512);
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}
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end = millis() - start;
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Serial.printf("%u bytes written for %u ms\n", 2048 * 512, end);
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file.close();
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}
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void setup(){
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Serial.begin(115200);
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if(!SD.begin()){
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Serial.println("Card Mount Failed");
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return;
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}
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uint8_t cardType = SD.cardType();
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if(cardType == CARD_NONE){
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Serial.println("No SD card attached");
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return;
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}
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Serial.print("SD Card Type: ");
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if(cardType == CARD_MMC){
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Serial.println("MMC");
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} else if(cardType == CARD_SD){
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Serial.println("SDSC");
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} else if(cardType == CARD_SDHC){
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Serial.println("SDHC");
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} else {
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Serial.println("UNKNOWN");
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}
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uint64_t cardSize = SD.cardSize() / (1024 * 1024);
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Serial.printf("SD Card Size: %lluMB\n", cardSize);
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listDir(SD, "/", 0);
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createDir(SD, "/mydir");
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listDir(SD, "/", 0);
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removeDir(SD, "/mydir");
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listDir(SD, "/", 2);
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writeFile(SD, "/hello.txt", "Hello ");
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appendFile(SD, "/hello.txt", "World!\n");
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readFile(SD, "/hello.txt");
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deleteFile(SD, "/foo.txt");
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renameFile(SD, "/hello.txt", "/foo.txt");
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readFile(SD, "/foo.txt");
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testFileIO(SD, "/test.txt");
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Serial.printf("Total space: %lluMB\n", SD.totalBytes() / (1024 * 1024));
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Serial.printf("Used space: %lluMB\n", SD.usedBytes() / (1024 * 1024));
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}
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void loop(){
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}
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213
libraries/SD/examples/SD_time/SD_time.ino
Normal file
213
libraries/SD/examples/SD_time/SD_time.ino
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@ -0,0 +1,213 @@
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/*
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* Connect the SD card to the following pins:
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*
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* SD Card | ESP32
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* D2 -
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* D3 SS
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* CMD MOSI
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* VSS GND
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* VDD 3.3V
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* CLK SCK
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* VSS GND
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* D0 MISO
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* D1 -
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*/
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#include "FS.h"
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#include "SD.h"
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#include "SPI.h"
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#include <time.h>
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#include <WiFi.h>
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const char* ssid = "your-ssid";
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const char* password = "your-password";
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long timezone = 1;
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byte daysavetime = 1;
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void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
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Serial.printf("Listing directory: %s\n", dirname);
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File root = fs.open(dirname);
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if(!root){
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Serial.println("Failed to open directory");
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return;
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}
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if(!root.isDirectory()){
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Serial.println("Not a directory");
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return;
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}
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File file = root.openNextFile();
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while(file){
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if(file.isDirectory()){
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Serial.print(" DIR : ");
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Serial.print (file.name());
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time_t t= file.getLastWrite();
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struct tm * tmstruct = localtime(&t);
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Serial.printf(" LAST WRITE: %d-%02d-%02d %02d:%02d:%02d\n",(tmstruct->tm_year)+1900,( tmstruct->tm_mon)+1, tmstruct->tm_mday,tmstruct->tm_hour , tmstruct->tm_min, tmstruct->tm_sec);
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if(levels){
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listDir(fs, file.path(), levels -1);
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}
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} else {
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Serial.print(" FILE: ");
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Serial.print(file.name());
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Serial.print(" SIZE: ");
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Serial.print(file.size());
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time_t t= file.getLastWrite();
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struct tm * tmstruct = localtime(&t);
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Serial.printf(" LAST WRITE: %d-%02d-%02d %02d:%02d:%02d\n",(tmstruct->tm_year)+1900,( tmstruct->tm_mon)+1, tmstruct->tm_mday,tmstruct->tm_hour , tmstruct->tm_min, tmstruct->tm_sec);
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}
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file = root.openNextFile();
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}
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}
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void createDir(fs::FS &fs, const char * path){
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Serial.printf("Creating Dir: %s\n", path);
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if(fs.mkdir(path)){
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Serial.println("Dir created");
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} else {
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Serial.println("mkdir failed");
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}
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}
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void removeDir(fs::FS &fs, const char * path){
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Serial.printf("Removing Dir: %s\n", path);
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if(fs.rmdir(path)){
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Serial.println("Dir removed");
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} else {
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Serial.println("rmdir failed");
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}
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}
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void readFile(fs::FS &fs, const char * path){
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Serial.printf("Reading file: %s\n", path);
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File file = fs.open(path);
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if(!file){
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Serial.println("Failed to open file for reading");
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return;
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}
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Serial.print("Read from file: ");
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while(file.available()){
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Serial.write(file.read());
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}
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file.close();
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}
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void writeFile(fs::FS &fs, const char * path, const char * message){
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Serial.printf("Writing file: %s\n", path);
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File file = fs.open(path, FILE_WRITE);
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if(!file){
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Serial.println("Failed to open file for writing");
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return;
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}
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if(file.print(message)){
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Serial.println("File written");
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} else {
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Serial.println("Write failed");
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}
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file.close();
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}
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void appendFile(fs::FS &fs, const char * path, const char * message){
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Serial.printf("Appending to file: %s\n", path);
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File file = fs.open(path, FILE_APPEND);
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if(!file){
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Serial.println("Failed to open file for appending");
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return;
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}
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if(file.print(message)){
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Serial.println("Message appended");
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} else {
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Serial.println("Append failed");
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}
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file.close();
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}
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void renameFile(fs::FS &fs, const char * path1, const char * path2){
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Serial.printf("Renaming file %s to %s\n", path1, path2);
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if (fs.rename(path1, path2)) {
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Serial.println("File renamed");
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} else {
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Serial.println("Rename failed");
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}
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}
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void deleteFile(fs::FS &fs, const char * path){
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Serial.printf("Deleting file: %s\n", path);
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if(fs.remove(path)){
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Serial.println("File deleted");
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} else {
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Serial.println("Delete failed");
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}
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}
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void setup(){
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Serial.begin(115200);
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// We start by connecting to a WiFi network
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Serial.println();
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Serial.println();
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Serial.print("Connecting to ");
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Serial.println(ssid);
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WiFi.begin(ssid, password);
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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}
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Serial.println("WiFi connected");
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Serial.println("IP address: ");
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Serial.println(WiFi.localIP());
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Serial.println("Contacting Time Server");
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configTime(3600*timezone, daysavetime*3600, "time.nist.gov", "0.pool.ntp.org", "1.pool.ntp.org");
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struct tm tmstruct ;
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delay(2000);
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tmstruct.tm_year = 0;
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getLocalTime(&tmstruct, 5000);
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Serial.printf("\nNow is : %d-%02d-%02d %02d:%02d:%02d\n",(tmstruct.tm_year)+1900,( tmstruct.tm_mon)+1, tmstruct.tm_mday,tmstruct.tm_hour , tmstruct.tm_min, tmstruct.tm_sec);
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Serial.println("");
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if(!SD.begin()){
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Serial.println("Card Mount Failed");
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return;
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}
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uint8_t cardType = SD.cardType();
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if(cardType == CARD_NONE){
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Serial.println("No SD card attached");
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return;
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}
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Serial.print("SD Card Type: ");
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if(cardType == CARD_MMC){
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Serial.println("MMC");
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} else if(cardType == CARD_SD){
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Serial.println("SDSC");
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} else if(cardType == CARD_SDHC){
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Serial.println("SDHC");
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} else {
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Serial.println("UNKNOWN");
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}
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uint64_t cardSize = SD.cardSize() / (1024 * 1024);
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Serial.printf("SD Card Size: %lluMB\n", cardSize);
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listDir(SD, "/", 0);
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removeDir(SD, "/mydir");
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createDir(SD, "/mydir");
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deleteFile(SD, "/hello.txt");
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writeFile(SD, "/hello.txt", "Hello ");
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appendFile(SD, "/hello.txt", "World!\n");
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listDir(SD, "/", 0);
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}
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void loop(){
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}
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Reference in New Issue
Block a user