Import of the watch repository from Pebble

tools/pebble_tty.py

@@ -0,0 +1,74 @@
+# Copyright 2024 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import subprocess
+import sys
+
+# PyFTDI doesn't work if these KEXTs are loaded
+KEXT_BLACKLIST = [
+    'AppleUSBFTDI',
+    'FTDIUSBSerialDriver'
+]
+
+def _is_driver_loaded():
+    loaded = False
+    if sys.platform == 'darwin':
+        output = subprocess.check_output(['kextstat'])
+        for kext in KEXT_BLACKLIST:
+            if kext in output:
+                loaded =  True
+                break
+
+        if loaded:
+            print 'WARNING: FTDI DRIVERS ARE DEPRECATED, UNINSTALL THEM!'
+
+    return loaded
+
+if _is_driver_loaded():
+    from pebble_tty_native import _get_tty
+else:
+    from pebble_tty_pyftdi import _get_tty
+
+
+def find_accessory_tty():
+    return _get_tty(tty_type="accessory")
+
+
+def find_dbgserial_tty():
+    return _get_tty(tty_type="primary")
+
+
+def find_ble_tty():
+    return _get_tty(tty_type="ble")
+
+
+if __name__ == "__main__":
+    tty_acc = find_accessory_tty()
+    tty_dbg = find_dbgserial_tty()
+    tty_ble = find_ble_tty()
+
+    if tty_dbg:
+        print 'dbgserial: ' + str(tty_dbg)
+    else:
+        print 'no dbgserial tty found'
+
+    if tty_acc:
+        print 'accessory: ' + str(tty_acc)
+    else:
+        print 'no accessory tty found'
+
+    if tty_ble:
+        print 'ble: ' + str(tty_ble)
+    else:
+        print 'no ble tty found'