Adding console output while typing

ampel-firmware/sensor_console.cpp

@@ -86,6 +86,7 @@ namespace sensor_console {
     static unsigned int input_pos = 0;
     switch (input_byte) {
     case '\n': // end of text
+      Serial.println();
       input_line[input_pos] = 0;
       runCommand(input_line);
       input_pos = 0;
@@ -95,12 +96,17 @@ namespace sensor_console {
     case '\b': // backspace
       if (input_pos > 0) {
         input_pos--;
+        Serial.print(F("\b \b"));
       }
       break;
     default:
+      if (input_pos == 0) {
+        Serial.print(F("> "));
+      }
       // keep adding if not full ... allow for terminating null byte
       if (input_pos < (MAX_COMMAND_SIZE - 1)) {
         input_line[input_pos++] = input_byte;
+        Serial.print((char) input_byte);
       }
       break;
     }