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107 lines
2.6 KiB
C++
107 lines
2.6 KiB
C++
/*
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* This program demonstrates use of SdFile::rename()
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* and SdFat::rename().
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*/
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#include <SPI.h>
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#include "SdFat.h"
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// SD chip select pin
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const uint8_t chipSelect = SS;
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// file system
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SdFat sd;
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// Serial print stream
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ArduinoOutStream cout(Serial);
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//------------------------------------------------------------------------------
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// store error strings in flash to save RAM
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#define error(s) sd.errorHalt(F(s))
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//------------------------------------------------------------------------------
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void setup() {
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Serial.begin(9600);
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// Wait for USB Serial
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while (!Serial) {
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SysCall::yield();
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}
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cout << F("Insert an empty SD. Type any character to start.") << endl;
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while (!Serial.available()) {
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SysCall::yield();
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}
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// Initialize at the highest speed supported by the board that is
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// not over 50 MHz. Try a lower speed if SPI errors occur.
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if (!sd.begin(chipSelect, SD_SCK_MHZ(50))) {
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sd.initErrorHalt();
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}
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// Remove file/dirs from previous run.
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if (sd.exists("dir2/DIR3/NAME3.txt")) {
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cout << F("Removing /dir2/DIR3/NAME3.txt") << endl;
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if (!sd.remove("dir2/DIR3/NAME3.txt") ||
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!sd.rmdir("dir2/DIR3/") ||
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!sd.rmdir("dir2/")) {
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error("remove/rmdir failed");
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}
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}
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// create a file and write one line to the file
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SdFile file("Name1.txt", O_WRITE | O_CREAT);
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if (!file.isOpen()) {
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error("Name1.txt");
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}
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file.println("A test line for Name1.txt");
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// rename the file name2.txt and add a line.
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// sd.vwd() is the volume working directory, root.
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if (!file.rename(sd.vwd(), "name2.txt")) {
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error("name2.txt");
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}
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file.println("A test line for name2.txt");
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// list files
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cout << F("------") << endl;
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sd.ls(LS_R);
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// make a new directory - "Dir1"
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if (!sd.mkdir("Dir1")) {
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error("Dir1");
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}
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// move file into Dir1, rename it NAME3.txt and add a line
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if (!file.rename(sd.vwd(), "Dir1/NAME3.txt")) {
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error("NAME3.txt");
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}
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file.println("A line for Dir1/NAME3.txt");
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// list files
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cout << F("------") << endl;
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sd.ls(LS_R);
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// make directory "dir2"
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if (!sd.mkdir("dir2")) {
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error("dir2");
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}
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// close file before rename(oldPath, newPath)
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file.close();
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// move Dir1 into dir2 and rename it DIR3
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if (!sd.rename("Dir1", "dir2/DIR3")) {
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error("dir2/DIR3");
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}
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// open file for append in new location and add a line
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if (!file.open("dir2/DIR3/NAME3.txt", O_WRITE | O_APPEND)) {
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error("dir2/DIR3/NAME3.txt");
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}
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file.println("A line for dir2/DIR3/NAME3.txt");
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file.close();
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// list files
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cout << F("------") << endl;
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sd.ls(LS_R);
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cout << F("Done") << endl;
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}
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void loop() {}
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