61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
#include "gfx.h"
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#include <string.h>
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/* Function to log messages to a file. */
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void LogInfo(const char* msg) {
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GFILE* logFile;
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logFile = gfileOpen("info.txt", "a"); // Open the file for append
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if (logfile) {
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gfileWrite(logFile, msg, strlen(msg));
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gfileClose(logFile); // Close the file again
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}
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}
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int main(void) {
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GFILE* file; // GFILE variable to store file info.
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const char msg[] = "Hello file!"; // String to write to a file.
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/* Call the µGFX init routine. */
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gfxInit();
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/* Mount the file system. */
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if (gfileMount('F', "/"))
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gfxHalt("Can't mount the FAT file system");
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/* Check if a file exists. */
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if (gfileExists("file.txt"))
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LogInfo("[Info]: File exists already!");
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else
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LogInfo("[Info]: The file does not exist yet!");
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/* Write a string to the file. */
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file = gfileOpen("file.txt", "wx");
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if(!file) {
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LogInfo("[Error]: Something went wrong opening the file.");
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gfxHalt("Can't open the file file.txt");;
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}
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/* A normal write */
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gfileWrite(file, msg, strlen(msg));
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/* Write the file size in the file using the uGFX equivalent of fprintf(). */
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fnprintg(file, 30, "The file is currently %dkB", gfileGetSize(file));
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/* Close the file */
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gfileClose(file);
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/* Rename te file. */
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gfileRename("file.txt", "renamedFile.txt");
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/* Unmount the file system again */
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gfileUnmount('F', "/");
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/* This line should not work as the file system is now unmounted */
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LogInfo("[Info]: Entering enldess while loop.");
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/* The program ends here. */
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while(1)
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gfxSleepMilliseconds(200);
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}
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