From 9e9c0d9ca338be6337891ff3dc69269e35cb7a75 Mon Sep 17 00:00:00 2001
From: Alex Voinea <voinea.dragos.alexandru@gmail.com>
Date: Fri, 14 May 2021 14:57:03 +0300
Subject: [PATCH] Use uint8_t for GPIO enums

---
 src/hal/gpio.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hal/gpio.h b/src/hal/gpio.h
index d475590..80f3545 100644
--- a/src/hal/gpio.h
+++ b/src/hal/gpio.h
@@ -10,18 +10,18 @@ namespace gpio {
         volatile uint8_t PORTx;
     };
 
-    enum class Mode {
+    enum class Mode : uint8_t {
         input = 0,
         output,
     };
 
-    enum class Pull {
+    enum class Pull : uint8_t {
         none = 0,
         up,
         down, //not available on the AVR
     };
 
-    enum class Level {
+    enum class Level : uint8_t {
         low = 0,
         high,
     };