78 lines
2.2 KiB
Arduino
78 lines
2.2 KiB
Arduino
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/*
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* This sketch demonstrates use of SdFile::rename()
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* and SdFat::rename().
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*/
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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_P(PSTR(s))
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//------------------------------------------------------------------------------
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void setup() {
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Serial.begin(9600);
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while (!Serial) {} // wait for Leonardo
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cout << pstr("Insert an empty SD. Type any character to start.") << endl;
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while (Serial.read() <= 0) {}
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delay(400); // catch Due reset problem
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// initialize the SD card at SPI_HALF_SPEED to avoid bus errors with
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// breadboards. use SPI_FULL_SPEED for better performance.
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if (!sd.begin(chipSelect, SPI_HALF_SPEED)) sd.initErrorHalt();
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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()) error("NAME1");
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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")) error("NAME2");
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file.println("A test line for NAME2.TXT");
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// list files
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cout << pstr("------") << 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")) error("DIR1");
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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")) error("NAME3");
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file.println("A line for DIR1/NAME3.TXT");
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// list files
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cout << pstr("------") << endl;
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sd.ls(LS_R);
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// make directory "DIR2"
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if (!sd.mkdir("DIR2")) error("DIR2");
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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")) error("DIR2/DIR3");
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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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// list files
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cout << pstr("------") << endl;
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sd.ls(LS_R);
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cout << pstr("Done") << endl;
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}
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void loop() {}
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