Adding comment for magic number 4

betaflight · Sep 29, 2024 · fa3b4ed · fa3b4ed
1 parent a3ca766
commit fa3b4ed
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/js/msp.js b/src/js/msp.js
@@ -344,7 +344,7 @@ const MSP = {
     encode_message_cli(str) {
         const data = Array.from(str, c => c.charCodeAt(0));
         const dataLength = data ? data.length : 0;
-        const bufferSize = dataLength + 4;
+        const bufferSize = dataLength + 4;        // 4 bytes for protocol overhead
         const bufferOut = new ArrayBuffer(bufferSize);
         const bufView = new Uint8Array(bufferOut);
         bufView[0] = this.symbols.BEGIN;          // $