fix missing arguments for build.py

.travis.yml

@@ -8,9 +8,7 @@ script:
   - wget -O arduino.tar.xz https://www.arduino.cc/download.php?f=/arduino-nightly-linux64.tar.xz
   - tar xf arduino.tar.xz
   - mv arduino-nightly $HOME/arduino_ide
-  - mkdir -p $HOME/Arduino/hardware
-  - mkdir -p $HOME/Arduino/libraries
-  - cd $HOME/Arduino/hardware
+  - cd $HOME/arduino_ide/hardware
   - mkdir espressif
   - cd espressif
   - ln -s $TRAVIS_BUILD_DIR esp32

tools/build.py

@@ -46,7 +46,7 @@ def compile(tmp_dir, sketch, tools_dir, hardware_dir, ide_path, f, args):
     # Debug=Serial,DebugLevel=Core____
     cmd += '-fqbn=espressif:esp32:{board_name}:' \
             'FlashFreq={flash_freq},' \
-            'UploadSpeed=921600'
+            'UploadSpeed=921600'.format(**vars(args))
     cmd += ' '
     cmd += '-ide-version=10607 '
     cmd += '-warnings={warnings} '.format(**vars(args))