Implemented "$ platformio serialports" command

platformio/builder/tools/platformio.py

@@ -2,11 +2,8 @@
 # See LICENSE for details.
 
 import re
-from os import listdir, walk
 from os.path import isdir, isfile, join
-from time import sleep
 
-from serial import Serial
 
 
 def BuildLibrary(env, variant_dir, library_dir):
@@ -116,18 +113,6 @@ def ParseBoardOptions(env, path, name):
         return data
 
 
-def ResetDevice(env):
-    """ Pulse the DTR line and flush serial buffer """
-    s = Serial(env.subst("$UPLOAD_PORT"))
-    s.flushInput()
-    s.setDTR(False)
-    s.setRTS(False)
-    sleep(0.1)
-    s.setDTR(True)
-    s.setRTS(True)
-    s.close()
-
-
 def exists(_):
     return True
 
@@ -140,5 +125,4 @@ def generate(env):
     env.AddMethod(GetDependentLibraries)
     env.AddMethod(VariantDirRecursive)
     env.AddMethod(ParseBoardOptions)
-    env.AddMethod(ResetDevice)
     return env

platformio/commands/serialports.py

@@ -0,0 +1,17 @@
+# Copyright (C) Ivan Kravets <me@ikravets.com>
+# See LICENSE for details.
+
+from click import command, echo, secho
+
+from platformio.util import get_serialports
+
+
+@command("serialports", short_help="List Serial ports")
+def cli():
+
+    for item in get_serialports():
+        secho(item['port'], fg="cyan")
+        echo("----------")
+        echo("Hardware ID: %s" % item['hwid'])
+        echo("Description: %s" % item['description'])
+        echo("")

platformio/exception.py

@@ -85,3 +85,8 @@ class ProjectInitialized(PlatformioException):
 class ProjectEnvsNotAvaialable(PlatformioException):
 
     MESSAGE = "Please setup environments in `platformio.ini` file."
+
+
+class GetSerialPortsError(PlatformioException):
+
+    MESSAGE = "No implementation for your platform ('%s') available"

platformio/util.py

@@ -2,11 +2,14 @@
 # See LICENSE for details.
 
 from os import getcwd, listdir, utime
+from os import name as os_name
 from os.path import dirname, expanduser, isfile, join, realpath
 from platform import architecture, system
 from subprocess import PIPE, Popen
+from time import sleep
 
 from platformio.exception import NotPlatformProject
+from serial import Serial
 
 try:
     from configparser import ConfigParser
@@ -57,3 +60,24 @@ def exec_command(args):
     p = Popen(args, stdout=PIPE, stderr=PIPE, shell=use_shell)
     out, err = p.communicate()
     return dict(out=out.strip(), err=err.strip())
+
+
+def reset_serialport(port):
+    s = Serial(port)
+    s.flushInput()
+    s.setDTR(False)
+    s.setRTS(False)
+    sleep(0.1)
+    s.setDTR(True)
+    s.setRTS(True)
+    s.close()
+
+
+def get_serialports():
+    if os_name == "nt":
+        from serial.tools.list_ports_windows import comports
+    elif os_name == "posix":
+        from serial.tools.list_ports_posix import comports
+    else:
+        raise GetSerialPortsError(os_name)
+    return[{"port": p, "description": d, "hwid": h} for p, d, h in comports()]