io: generic_gpio - add input observation

inputs needs to be monitored for change.

this patch implements input monitoring based on a poll of the
sys/class/gpio/gpioX/value file

if raising, falling or both edges should be monitored can be configured
	in the conf file.

Signed-off-by: Manuel Traut <manut@mecka.net>

1 files changed, 3 insertions, 2 deletions

diff --git a/io/lib/distrio_io.h b/io/lib/distrio_io.h
index 997e305..d32dd7e 100644
--- a/io/lib/distrio_io.h
+++ b/io/lib/distrio_io.h
@@ -99,9 +99,9 @@ public:
 
 protected:
   ::CORBA::Long val;
+  std::string io_name;
 
 private:
-  std::string io_name;
   ::CORBA::Long io_id;
   std::list<Distrio::Device_ptr> cb_list_rise;
   std::list<Distrio::Device_ptr> cb_list_fall;
@@ -164,8 +164,9 @@ public:
   virtual
   void id (
     ::CORBA::Long id);
-private:
+protected:
   std::string io_name;
+private:
   ::Distrio::Direction dir;
   ::CORBA::Long io_id;
 };