Add short delay after enabling GPIO pin. Issue #176

2025-04-05 20:28:30 +00:00 · 2019-07-07 11:29:23 -04:00 · 2019-07-07 11:29:23 -04:00 · c59053536e
commit c59053536e
parent edaf661bb1
1 changed files with 3 additions and 0 deletions
--- a/ptt.c
+++ b/ptt.c
@ -458,6 +458,9 @@ void export_gpio(int ch, int ot, int invert, int direction)
 	    exit (1);
 	  }
 	}
+	/* Wait for udev to adjust permissions after enabling GPIO. */
+	/* https://github.com/wb2osz/direwolf/issues/176 */
+	SLEEP_MS(250);
 	close (fd);

 /*