Serial Interface

src/main.cpp

@@ -125,8 +125,9 @@ void handleData1Interrupt() {
 }
 
 
+
 void setup() {
-  #ifdef SERIAL_DEBUG
+  #if defined SERIAL_DEBUG || defined SERIAL_ACL
     Serial.begin(9600);
   #endif 
 
@@ -208,8 +209,165 @@ void setup() {
 
 }
 
+
+#ifdef LOCAL_ACL
+  #ifdef SERIAL_ACL
+
+    struct WordList {
+        char** words;
+        int length;
+    };
+
+    WordList splitString(const char* inputString, const char* delimiter = " ") {
+        WordList result;
+        result.words = NULL;
+        result.length = 0;
+
+        // Create a temporary copy of the input string since strtok modifies the string
+        char* inputCopy = strdup(inputString);
+
+        // Get the first word
+        char* word = strtok(inputCopy, delimiter);
+
+        // Split the string and store each word in the dynamic list
+        while (word != NULL) {
+            result.length++;
+
+            // Reallocate memory for the dynamic list
+            result.words = (char**)realloc(result.words, (result.length + 1) * sizeof(char*));
+
+            // Allocate memory for the current word and copy it into the list
+            result.words[result.length - 1] = (char*)malloc(strlen(word) + 1);
+            strcpy(result.words[result.length - 1], word);
+
+            // Set the next element in the list to NULL for termination
+            result.words[result.length] = NULL;
+
+            // Get the next word
+            word = strtok(NULL, delimiter);
+        }
+
+        // Free the temporary copy of the input string
+        free(inputCopy);
+
+        return result;
+    }
+
+    void freeWordList(char** wordList) {
+        for (int i = 0; wordList[i] != NULL; i++) {
+            free(wordList[i]);
+        }
+        free(wordList);
+    }
+    void checkSerialCommand() {
+      if (Serial.available() > 0) {
+        String command = Serial.readStringUntil('\n'); // Read the incoming command until a newline character is received
+        Serial.println("Received command: " + command); // Echo back the received command
+        command.trim(); // Remove any leading or trailing whitespaces
+
+        if (command.length() == 0) {
+          Serial.println("Invalid command"); // If the command is not recognized
+        }
+        else { 
+          WordList wordData = splitString(command.c_str());
+          char** wordList = wordData.words;
+          int wordCount = wordData.length;
+          
+        String prefix = wordList[0];
+
+        // Command Validate Access
+        if (prefix.equals("validateAccess")) {
+            if (wordCount == 2) {
+              bool result = acl.validateAccess(String(wordList[1]));
+
+              if (result) {
+                Serial.println("Access granted!");
+              }
+              else {
+                Serial.println("Access denied!");
+              }
+            }
+            else {  
+              Serial.println("validateAccess requires exactly 1 arguments (cardId)");
+              return;
+            }
+        }
+
+        // Command Add User
+        if (prefix.equals("addUser")) {
+            if (wordCount == 3) {
+                acl.addUser(wordList[1], wordList[2]);
+                acl.saveToEEPROM();
+                Serial.println("User Added!");
+            }
+            else {  
+              Serial.println("addUser requires exactly 2 arguments (cardId, Description)");
+              return;
+            }
+        }
+        // Command Update User
+        if (prefix.equals("updateUser")) {
+            if (wordCount == 4) {
+                acl.updateUser(wordList[1], wordList[2], wordList[3]);
+                acl.saveToEEPROM();
+                Serial.println("User Updated!");
+            }
+            else {  
+              Serial.println("userUser requires exactly 2 arguments (cardId, newCardId, newDescription)");
+              return;
+            }
+        }
+
+
+        // Command Remove User
+        if (prefix.equals("removeUser")) {
+            if (wordCount == 2) {
+                acl.removeUser(wordList[1]);
+                acl.saveToEEPROM();
+                Serial.println("User Removed!!");
+            }
+            else {  
+              Serial.println("removeUser requires exactly 1 argument (cardId)");
+              return;
+            }
+        }
+
+
+        // Command List Uses
+        if (prefix.equals("listUsers")) {
+            if (wordCount == 1) {
+                // Retrieve the ACL data using the getter function
+                const User* aclData = acl.getACL();
+
+                // Iterate over each user in the ACL and add it to the JSON array
+                for (int i = 0; i < acl.getACLSize(); i++) {
+                  Serial.print(aclData[i].cardId);
+                  Serial.print(" : ");
+                  Serial.println(aclData[i].desc);
+                }
+            }
+            else {  
+              Serial.println("removeUser requires exactly 0 arguments");
+              return;
+            }
+        }
+
+          freeWordList(wordList);
+        }
+      }
+    }
+  #endif
+#endif
+
 void loop() {
 
+  #ifdef LOCAL_ACL
+    #ifdef SERIAL_ACL
+      checkSerialCommand();
+    #endif
+  #endif
+
+
   if (newDataAvailable) {
     newDataAvailable = false;
     lastDataTime = millis(); // Reset the time of last received data