Ano-sys
81 lines
1.6 KiB
C++
81 lines
1.6 KiB
C++
#pragma once
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#include "FS.h"
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#include <SPI.h>
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#include <SD.h>
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class SDHelper {
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private:
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uint8_t _cs;
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File _stream;
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String _filename;
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bool _available = false;
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SPIClass _spi;
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String getNewFilename(fs::FS& fs) {
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unsigned long i = 0;
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File root = fs.open("/");
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if(!root){
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Serial.println("Failed to open root of SD!");
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return "/coords.txt";
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}
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File file = root.openNextFile();
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while(file){
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if(String(file.name()).indexOf("coords") != -1) i++;
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file = root.openNextFile();
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}
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return "/coords" + String(i++) + ".txt";
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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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Serial.println("Trying writing insted!");
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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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}
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if(file.print(message))Serial.println("Wrote message!");
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else Serial.println("Writing failed!");
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file.close();
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}
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public:
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SDHelper() : _spi(HSPI){
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_spi.begin(14, 2, 15, 13);
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if(!SD.begin(13, _spi)){
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_available = false;
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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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_filename = getNewFilename(SD);
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}
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~SDHelper(){
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if(_stream) _stream.close();
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}
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String Filename() { return _filename; }
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void Log(const String& msg) {
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appendFile(SD, _filename.c_str(), (msg + "\n").c_str());
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}
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};
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