Avoiding flicker in example

examples/LinkMobile_demo/src/main.cpp

@@ -130,10 +130,14 @@ void readConfiguration() {
     ;
 }
 
+std::string lastLoggedText = "";
 void log(std::string text) {
+  if (text == lastLoggedText)
+    return;
   tte_erase_screen();
   tte_write("#{P:0,0}");
   tte_write(text.c_str());
+  lastLoggedText = text;
 }
 
 void waitFor(u16 key) {

lib/LinkMobile.hpp

@@ -942,3 +942,8 @@ inline void LINK_MOBILE_ISR_TIMER() {
 #undef _LMLOG_
 
 #endif  // LINK_MOBILE_H
+
+// TODO: Stop keeps running commands and changing state
+// TODO: Error screen
+// TODO: Keep adapter alive with Wait For Telephone Call
+// TODO: Write text fast