 bool proc_clear(String csvline)
 {
   debug_outputDebugString("proc_clear", "Line251 > start");
+
+  String athcd = extractCsvRow(csvline, 1);
+  if (athcd != kAuthorizationCode) {
+    return false; // error
+  }
+
+  debug_outputDebugString("proc_clear", "Line263 > cleared");
+
+  // TODO: 0m > clear_allMessages()
+  return true;
 }
 
 

//-------------------------------------------------------------------------
// static declarations and enums

//-------------------------------------------------------------------------
// extern declarations
extern Pizero_owner_t g_owner;



/*
 *  - add [kAuthorizationCode], which is used to protect to clear all the messages
 * v0.23 2016 Feb. 27
 *  - add [CMD_ALL_CLEAR] in Serial command
 *  - update proc_get() > add 3rd parameter [isSecret(0|1)] (ref. protocol v0.7)
