1 files changed, 104 insertions, 0 deletions
diff --git a/keyboards/uzu42/uzu42.c b/keyboards/uzu42/uzu42.c
index df71734f7b..6a47ceac38 100644
--- a/keyboards/uzu42/uzu42.c
+++ b/keyboards/uzu42/uzu42.c
@@ -1 +1,105 @@
+// Copyright 2022 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 #include "uzu42.h"
+
+#ifdef OLED_ENABLE
+#include <stdio.h>
+
+oled_rotation_t oled_init_kb(oled_rotation_t rotation) {
+  if (!is_keyboard_master()) {
+    return OLED_ROTATION_180;  // flips the display 180 degrees if offhand
+  }
+  return rotation;
+}
+
+
+void oled_render_layer_state(void) {
+    oled_write_P(PSTR("Layer: "), false);
+    switch (get_highest_layer(layer_state)) {
+        case 0:
+            oled_write_ln_P(PSTR("Default"), false);
+            break;
+        case 1:
+            oled_write_ln_P(PSTR("Lower"), false);
+            break;
+        case 2:
+            oled_write_ln_P(PSTR("Raise"), false);
+            break;
+        case 3:
+            oled_write_ln_P(PSTR("Adjust"), false);
+            break;
+        default:
+            oled_write_ln_P(PSTR("Undef"), false);
+
+    }
+}
+
+char keylog_str[24] = {};
+
+const char code_to_name[60] = {
+    ' ', ' ', ' ', ' ', 'a', 'b', 'c', 'd', 'e', 'f',
+    'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p',
+    'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
+    '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
+    'R', 'E', 'B', 'T', '_', '-', '=', '[', ']', '\\',
+    '#', ';', '\'', '`', ',', '.', '/', ' ', ' ', ' '};
+
+void set_keylog(uint16_t keycode, keyrecord_t *record) {
+    char name = ' ';
+    if ((keycode >= QK_MOD_TAP && keycode <= QK_MOD_TAP_MAX) || (keycode >= QK_LAYER_TAP && keycode <= QK_LAYER_TAP_MAX)) {
+        keycode = keycode & 0xFF;
+    }
+    if (keycode < 60) {
+        name = code_to_name[keycode];
+    }
+
+    // update keylog
+    snprintf(keylog_str, sizeof(keylog_str), "%dx%d, k%2d : %c", record->event.key.row, record->event.key.col, keycode, name);
+}
+
+void oled_render_keylog(void) {
+    oled_write(keylog_str, false);
+}
+
+void render_bootmagic_status(bool status) {
+    /* Show Ctrl-Gui Swap options */
+    static const char PROGMEM logo[][2][3] = {
+        {{0x97, 0x98, 0}, {0xb7, 0xb8, 0}},
+        {{0x95, 0x96, 0}, {0xb5, 0xb6, 0}},
+    };
+    if (status) {
+        oled_write_ln_P(logo[0][0], false);
+        oled_write_ln_P(logo[0][1], false);
+    } else {
+        oled_write_ln_P(logo[1][0], false);
+        oled_write_ln_P(logo[1][1], false);
+    }
+}
+
+void oled_render_logo(void) {
+    static const char PROGMEM crkbd_logo[] = {0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0};
+    oled_write_P(crkbd_logo, false);
+}
+
+bool oled_task_kb(void) {
+    if (!oled_task_user()) {
+        return true;
+    }
+    if (is_keyboard_master()) {
+        oled_render_layer_state();
+        oled_render_keylog();
+    } else {
+        oled_render_logo();
+    }
+    return false;
+}
+
+bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
+    if (record->event.pressed) {
+        set_keylog(keycode, record);
+    }
+    return process_record_user(keycode, record);
+}
+
+#endif // OLED_ENABLE