From edfd82fd42069234d9f58bd9881b5a4c2e80b7c7 Mon Sep 17 00:00:00 2001
From: Samuel Sieb <samuel-github@sieb.net>
Date: Tue, 16 May 2023 14:30:14 -0700
Subject: [PATCH] handle Wiegand 8-bit keys (#4837)

Co-authored-by: Samuel Sieb <samuel@sieb.net>
---
 esphome/components/wiegand/wiegand.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/esphome/components/wiegand/wiegand.cpp b/esphome/components/wiegand/wiegand.cpp
index c4e834c85a..10c77a8aa2 100644
--- a/esphome/components/wiegand/wiegand.cpp
+++ b/esphome/components/wiegand/wiegand.cpp
@@ -102,6 +102,16 @@ void Wiegand::loop() {
       uint8_t key = KEYS[value];
       this->send_key_(key);
     }
+  } else if (count == 8) {
+    if ((value ^ 0xf0) >> 4 == (value & 0xf)) {
+      value &= 0xf;
+      for (auto *trigger : this->key_triggers_)
+        trigger->trigger(value);
+      if (value < 12) {
+        uint8_t key = KEYS[value];
+        this->send_key_(key);
+      }
+    }
   } else {
     ESP_LOGD(TAG, "received unknown %d-bit value: %llx", count, value);
   }