From 810a674c832de5c1604b79a25678311484bb5913 Mon Sep 17 00:00:00 2001
From: Ivan Kravets <me@ikravets.com>
Date: Thu, 8 Feb 2018 13:41:42 +0200
Subject: [PATCH] Force Teensy CLI when Teensy App is not available (Linux ARM)
 // Resolve #34

---
 builder/main.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/builder/main.py b/builder/main.py
index 8bcdd2a..4a70ea4 100644
--- a/builder/main.py
+++ b/builder/main.py
@@ -15,7 +15,7 @@
 import sys
 from platform import system
 from os import makedirs
-from os.path import isdir, join
+from os.path import isdir, isfile, join
 
 from SCons.Script import (COMMAND_LINE_TARGETS, AlwaysBuild, Builder, Default,
                           DefaultEnvironment)
@@ -227,6 +227,14 @@
 # Target: Upload by default firmware file
 #
 
+# Force Teensy CLI when Teensy App is not available (Linux ARM)
+if env.subst("$UPLOAD_PROTOCOL") == "teensy-gui" and not isfile(
+        join(
+            platform.get_package_dir("tool-teensy") or "",
+            "teensy_post_compile.exe"
+            if system() == "Windows" else "teensy_post_compile")):
+    env.Replace(UPLOAD_PROTOCOL="teensy-cli")
+
 upload_protocol = env.subst("$UPLOAD_PROTOCOL")
 upload_actions = []