feat: enhance command handling to support multiple commands in a single input

Author: OverkillFPV

examples/simple_repeater/MyMesh.cpp

@@ -719,7 +719,40 @@ void MyMesh::onPeerDataRecv(mesh::Packet *packet, uint8_t type, int sender_idx,
       if (is_retry) {
         *reply = 0;
       } else {
-        handleCommand(sender_timestamp, command, reply);
+        reply[0] = 0;
+        int reply_remaining = 160;
+        char *reply_ptr = reply;
+        static char cmd_buf[160];
+        strncpy(cmd_buf, command, sizeof(cmd_buf) - 1);
+        cmd_buf[sizeof(cmd_buf) - 1] = 0;
+        char *cmd_tok = cmd_buf;
+        char *sep;
+        bool first = true;
+        while (cmd_tok && reply_remaining > 1) {
+          sep = strchr(cmd_tok, ';');
+          if (sep) *sep = 0;
+          // trim leading spaces
+          while (*cmd_tok == ' ') cmd_tok++;
+          if (*cmd_tok) {
+            static char single_reply[160];
+            single_reply[0] = 0;
+            handleCommand(sender_timestamp, cmd_tok, single_reply);
+            int slen = strlen(single_reply);
+            if (slen > 0) {
+              if (!first && reply_remaining > 1) {
+                *reply_ptr++ = ';';
+                reply_remaining--;
+              }
+              int copy_len = (slen < reply_remaining) ? slen : reply_remaining;
+              memcpy(reply_ptr, single_reply, copy_len);
+              reply_ptr += copy_len;
+              reply_remaining -= copy_len;
+              first = false;
+            }
+          }
+          cmd_tok = sep ? sep + 1 : NULL;
+        }
+        *reply_ptr = 0;
       }
       int text_len = strlen(reply);
       if (text_len > 0) {

examples/simple_repeater/main.cpp

@@ -124,7 +124,39 @@ void loop() {
     Serial.print('\n');
     command[len - 1] = 0;  // replace newline with C string null terminator
     char reply[160];
-    the_mesh.handleCommand(0, command, reply);  // NOTE: there is no sender_timestamp via serial!
+    reply[0] = 0;
+    int reply_remaining = sizeof(reply) - 1;
+    char *reply_ptr = reply;
+    static char cmd_buf[sizeof(command)];
+    strncpy(cmd_buf, command, sizeof(cmd_buf) - 1);
+    cmd_buf[sizeof(cmd_buf) - 1] = 0;
+    char *cmd_tok = cmd_buf;
+    char *sep;
+    bool first = true;
+    while (cmd_tok && reply_remaining > 1) {
+      sep = strchr(cmd_tok, ';');
+      if (sep) *sep = 0;
+      while (*cmd_tok == ' ') cmd_tok++;
+      if (*cmd_tok) {
+        static char single_reply[160];
+        single_reply[0] = 0;
+        the_mesh.handleCommand(0, cmd_tok, single_reply);  // NOTE: there is no sender_timestamp via serial!
+        int slen = strlen(single_reply);
+        if (slen > 0) {
+          if (!first && reply_remaining > 1) {
+            *reply_ptr++ = ';';
+            reply_remaining--;
+          }
+          int copy_len = (slen < reply_remaining) ? slen : reply_remaining;
+          memcpy(reply_ptr, single_reply, copy_len);
+          reply_ptr += copy_len;
+          reply_remaining -= copy_len;
+          first = false;
+        }
+      }
+      cmd_tok = sep ? sep + 1 : NULL;
+    }
+    *reply_ptr = 0;
     if (reply[0]) {
       Serial.print("  -> "); Serial.println(reply);
     }