dangrain/GrainOS
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Added help command

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Added help command that lists all existing command.
This commit is contained in:
dangrain 2025-03-25 11:28:27 +01:00
parent 546613ac68
commit 4bc546567c
1 changed files with 16 additions and 6 deletions
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22
GrainOS.ino
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@ -7,14 +7,12 @@ struct File {
const int MAX_FILES = 10; //file limit const int MAX_FILES = 10; //file limit
File files[MAX_FILES]; File files[MAX_FILES];
void clearScreen() { void clearScreen() {
for (int i = 0; i < 50; i++) { for (int i = 0; i < 50; i++) {
Serial.println(); //function that clears your screen (again this is stupid) Serial.println(); //function that clears your screen (again this is stupid)
} }
} }
void listFiles() { void listFiles() {
Serial.println("Files:"); Serial.println("Files:");
for (int i = 0; i < MAX_FILES; i++) { for (int i = 0; i < MAX_FILES; i++) {
@ -24,7 +22,6 @@ void listFiles() {
} }
} }
void writeFile(String name, String content) { void writeFile(String name, String content) {
for (int i = 0; i < MAX_FILES; i++) { for (int i = 0; i < MAX_FILES; i++) {
if (!files[i].used) { if (!files[i].used) {
@ -48,7 +45,6 @@ void readFile(String name) {
Serial.println("Error: File not found!"); Serial.println("Error: File not found!");
} }
void deleteFile(String name) { void deleteFile(String name) {
for (int i = 0; i < MAX_FILES; i++) { for (int i = 0; i < MAX_FILES; i++) {
if (files[i].used && files[i].name == name) { if (files[i].used && files[i].name == name) {
@ -60,6 +56,18 @@ void deleteFile(String name) {
Serial.println("Error: File not found!"); // WAH WAH WAH Serial.println("Error: File not found!"); // WAH WAH WAH
} }
void showHelp() {
Serial.println("Available commands:");
Serial.println(" clear - Clears the screen");
Serial.println(" echo <message> - Prints the message");
Serial.println(" format(\"text,text,text\") - Formats input");
Serial.println(" write <filename> <content> - Writes content to a file");
Serial.println(" read <filename> - Reads and prints the content of a file");
Serial.println(" delete <filename> - Deletes a file");
Serial.println(" ls - Lists all files");
Serial.println(" help - Displays this help message");
}
void setup() { void setup() {
Serial.begin(9600); Serial.begin(9600);
} }
@ -74,7 +82,6 @@ void loop() {
} }
else if (input.startsWith("echo ")) { else if (input.startsWith("echo ")) {
String message = input.substring(5); // It's just echo with less functionality String message = input.substring(5); // It's just echo with less functionality
message.trim(); message.trim();
Serial.println(message); Serial.println(message);
} }
@ -105,8 +112,11 @@ void loop() {
else if (input == "ls") { //list files (currently directories don't exist (and let's be real probably won't)) else if (input == "ls") { //list files (currently directories don't exist (and let's be real probably won't))
listFiles(); listFiles();
} }
else if (input == "help") { // help command
showHelp();
}
else { else {
Serial.println("Unknown command."); Serial.println("Unknown command. Use 'help' to get a list of commands");
} }
} }
} }