1 files changed, 40 insertions, 0 deletions
diff --git a/keyboards/yiancardesigns/gingham/gingham.c b/keyboards/yiancardesigns/gingham/gingham.c
new file mode 100644
index 0000000000..9a5ffe4530
--- /dev/null
+++ b/keyboards/yiancardesigns/gingham/gingham.c
@@ -0,0 +1,40 @@
+/* Copyright 2019 Yiancar
+ *
+ * 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 "gingham.h"
+#include "i2c_master.h"
+
+uint8_t send_data;
+
+void matrix_init_kb(void) {
+    // Due to the way the port expander is setup both LEDs are already outputs. This is set n matrix.copy
+    //Turn the red LED on as power indicator.
+    send_data = 0x10;
+    i2c_writeReg((PORT_EXPANDER_ADDRESS << 1), 0x09, &send_data, 1, 20);
+
+    matrix_init_user();
+}
+
+void led_set_kb(uint8_t usb_led) {
+    // Bit 3 is Green LED, bit 4 is Red LED.
+    if (IS_LED_ON(usb_led, USB_LED_CAPS_LOCK)) {
+        send_data = 0x18;
+    } else {
+        send_data = 0x10;
+    }
+    i2c_writeReg((PORT_EXPANDER_ADDRESS << 1), 0x09, &send_data, 1, 20);
+
+    led_set_user(usb_led);
+}