1 files changed, 80 insertions, 0 deletions

diff --git a/keyboard/retro_refit/retro_refit.c b/keyboard/retro_refit/retro_refit.c
new file mode 100644
index 000000000..e01b8956a
--- /dev/null
+++ b/keyboard/retro_refit/retro_refit.c
@@ -0,0 +1,80 @@
+#include "retro_refit.h"
+
+__attribute__ ((weak))
+void * matrix_init_user(void) {
+        // leave this function blank - it can be defined in a keymap file
+        return NULL;
+};
+
+__attribute__ ((weak))
+void * matrix_scan_user(void) {
+        // leave this function blank - it can be defined in a keymap file
+        return NULL;
+};
+
+__attribute__ ((weak))
+void * led_set_user(uint8_t usb_led) {
+        // leave this function blank - it can be defined in a keymap file
+        return NULL;
+};
+
+void * matrix_init_kb(void) {
+        // put your keyboard start-up code here
+        // runs once when the firmware starts up
+        
+        // Disable status LED on KB, enable status LED on Teensy (KB_STATUS = !TEENSY_STATUS)
+        DDRD |= (1<<6);
+        PORTD |= (1<<6);
+        
+        if (matrix_init_user) {
+                (*matrix_init_user)();
+        }
+        return NULL;
+};
+
+void * matrix_scan_kb(void) {
+    // put your looping keyboard code here
+    // runs every cycle (a lot)
+
+        if (matrix_scan_user) {
+                (*matrix_scan_user)();
+        }
+        return NULL;
+};
+
+void * led_set_kb(uint8_t usb_led) {
+        // put your keyboard LED indicator (ex: Caps Lock LED) toggling code here
+
+    if (usb_led & (1<<USB_LED_CAPS_LOCK)) {
+        // output low
+        DDRD |= (1<<0);
+        PORTD &= ~(1<<0);
+    } else {
+        // Hi-Z
+        DDRD &= ~(1<<0);
+        PORTD &= ~(1<<0);
+    }
+    if (usb_led & (1<<USB_LED_NUM_LOCK)) {
+        // output low
+        DDRD |= (1<<1);
+        PORTD &= ~(1<<1);
+    } else {
+        // Hi-Z
+        DDRD &= ~(1<<1);
+        PORTD &= ~(1<<1);
+    }
+    if (usb_led & (1<<USB_LED_SCROLL_LOCK)) {
+        // output low
+        DDRC |= (1<<6);
+        PORTC &= ~(1<<6);
+    } else {
+        // Hi-Z
+        DDRC &= ~(1<<6);
+        PORTC &= ~(1<<6);
+    }   
+        
+        if (led_set_user) {
+                (*led_set_user)(usb_led);
+        }
+        return NULL;
+};
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