taler-mdb

commit 350e0f783db89e3def61ea6a4323def561f62cf7
parent 04e8be6f8f49e86366b6a0957b0c8d056c749c88
Author: Boss Marco <bossm8@students.bfh.ch>
Date:   Fri, 27 Dec 2019 12:56:35 +0100

unexport gpio

Diffstat:
M
src/main.c
 | 
13
+++++++++++++

1 file changed, 13 insertions(+), 0 deletions(-)
diff --git a/src/main.c b/src/main.c
@@ -937,6 +937,19 @@ shutdown_task (void *cls)
       close (qrDisplay.backlightfd);
     qrDisplay.backlightfd = -1;
   }
+  if (0 > cancelButton.cancelbuttonfd)
+  {
+    close (cancelButton.cancelbuttonfd);
+    cancelButton.cancelbuttonfd = open ("/sys/class/gpio/unexport",
+                                        O_WRONLY);
+    if (0 > cancelButton.cancelbuttonfd)
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                  "Unable to open /gpio/unexport for cancel button\n");
+    }
+    (void) write (cancelButton.cancelbuttonfd, "17", 2);
+    close (cancelButton.cancelbuttonfd);
+  }
   /* free the allocated productes read from config file */
   if (NULL != products)
   {