exporter: add new invert (active-low) attribute to GPIOSysFSExport

Signed-off-by: Perry Melange <[email protected]>

Author: pmelange

labgrid/remote/exporter.py

@@ -642,16 +642,19 @@ def _get_params(self):
         return {
             "host": self.host,
             "index": self.local.index,
+            "invert": self.local.invert,
         }
 
     def _get_start_params(self):
         return {
             "index": self.local.index,
+            "invert": self.local.invert,
         }
 
     def _start(self, start_params):
         """Start a GPIO export to userspace"""
         index = start_params["index"]
+        invert = start_params["invert"]
 
         if self.export_path.exists():
             self.system_exported = True
@@ -672,7 +675,6 @@ def _stop(self, start_params):
         with open(export_sysfs_path, mode="wb") as unexport:
             unexport.write(str(index).encode("utf-8"))
 
-
 exports["SysfsGPIO"] = GPIOSysFSExport
 exports["MatchedSysfsGPIO"] = GPIOSysFSExport