Add support for local "--echo" for Serial Port Monitor // Resolve #733

HISTORY.rst

@@ -15,6 +15,8 @@ PlatformIO 2.0
   (HID, SERIAL_HID, DISK, DISK_SDFLASH, MIDI, etc.)
   (`issue #722 <https://github.com/platformio/platformio/issues/722>`_)
 * Switched to built-in GCC LwIP library for Espressif development platform
+* Added support for local ``--echo`` for Serial Port Monitor
+  (`issue #733 <https://github.com/platformio/platformio/issues/733>`_)
 * Fixed Project Generator for ESP8266 and ARM mbed based projects
   (resolves incorrect linter errors)
 * Fixed broken LD Script for Element14 chipKIT Pi board

docs/userguide/cmd_serialports.rst

@@ -207,14 +207,11 @@ default ``20`` (DEC)
 
 Diagnostics: suppress non-error messages, default ``Off``
 
-
 .. option::
     --echo
 
 Enable local echo, default ``Off``
 
-**REMOVED**: Is not available in Miniterm/PySerial 3.0
-
 .. option::
     --cr
 

platformio/__init__.py

@@ -14,7 +14,7 @@
 
 import sys
 
-VERSION = (2, 11, "2.dev2")
+VERSION = (2, 11, "2.dev3")
 __version__ = ".".join([str(s) for s in VERSION])
 
 __title__ = "platformio"

platformio/commands/serialports.py

@@ -61,6 +61,8 @@ if int(PYSERIAL_VERSION[0]) == 3:
                   help="Set initial RTS line state")
     @click.option("--dtr", default=None, type=click.Choice(["0", "1"]),
                   help="Set initial DTR line state")
+    @click.option("--echo", is_flag=True,
+                  help="Enable local echo, default=Off")
     @click.option("--encoding", default="UTF-8",
                   help="Set the encoding for the serial port (e.g. hexlify, "
                   "Latin1, UTF-8), default: UTF-8")