[Keyboard] Add Edda Keyboard (#13953)

Co-authored-by: Joel Challis <git@zvecr.com>
Co-authored-by: Ryan <fauxpark@gmail.com>

1 files changed, 50 insertions, 0 deletions

diff --git a/keyboards/edda/edda.c b/keyboards/edda/edda.c
new file mode 100644
index 0000000000..a04f3cc4c1
--- /dev/null
+++ b/keyboards/edda/edda.c
@@ -0,0 +1,50 @@
+/*
+Copyright 2021 Martin Arnstad
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include "edda.h"
+
+void keyboard_pre_init_kb(void) {
+  // Call the keyboard pre init code.
+  keyboard_pre_init_user();
+
+  // Set our LED pins as output
+  setPinOutput(B2);
+  setPinOutput(B1);
+  setPinOutput(B0);
+}
+
+__attribute__((weak)) layer_state_t layer_state_set_user(layer_state_t state) {
+    switch (get_highest_layer(state)) {
+    case 1:
+        writePin(B2, 1);
+        writePin(B1, 0);
+        writePin(B0, 0);
+        break;
+    case 2:
+        writePin(B2, 1);
+        writePin(B1, 1);
+        writePin(B0, 0);
+        break;
+    case 3:
+        writePin(B2, 1);
+        writePin(B1, 1);
+        writePin(B0, 1);
+        break;
+    default: //  for any other layers, or the default layer
+        writePin(B2, 0);
+        writePin(B1, 0);
+        writePin(B0, 0);
+        break;
+    }
+  return state;
+}