user gpio

1 files changed, 9 insertions, 0 deletions

diff --git a/kvmd/validators/hw.py b/kvmd/validators/hw.py
index 82d1221a..e37eeda8 100644
--- a/kvmd/validators/hw.py
+++ b/kvmd/validators/hw.py
@@ -23,6 +23,7 @@
 from typing import Any
 
 from . import check_in_list
+from . import check_string_in_list
 from . import check_re_match
 
 from .basic import valid_number
@@ -43,6 +44,14 @@ def valid_gpio_pin_optional(arg: Any) -> int:
     return int(valid_number(arg, min=-1, name="optional GPIO pin"))
 
 
+def valid_gpio_mode(arg: Any) -> str:
+    return check_string_in_list(arg, "GPIO mode", ["input", "output"])
+
+
+def valid_gpio_channel(arg: Any) -> str:
+    return check_re_match(arg, "GPIO channel", r"^[a-zA-Z_][a-zA-Z0-9_-]*$")[:255]
+
+
 def valid_otg_gadget(arg: Any) -> str:
     return check_re_match(arg, "OTG gadget name", r"^[a-z_][a-z0-9_-]*$")[:255]