6 files changed, 139 insertions, 0 deletions
diff --git a/keyboards/crkbd/keymaps/lib/host_led_state_reader.c b/keyboards/crkbd/keymaps/lib/host_led_state_reader.c
new file mode 100644
index 0000000000..c19af11f8a
--- /dev/null
+++ b/keyboards/crkbd/keymaps/lib/host_led_state_reader.c
@@ -0,0 +1,13 @@
+#include "crkbd.h"
+
+char host_led_state[40];
+
+char *read_host_led_state(void)
+{
+  snprintf(host_led_state, sizeof(host_led_state), "\n%s  %s  %s",
+           (host_keyboard_leds() & (1 << USB_LED_NUM_LOCK)) ? "NUMLOCK" : "       ",
+           (host_keyboard_leds() & (1 << USB_LED_CAPS_LOCK)) ? "CAPS" : "    ",
+           (host_keyboard_leds() & (1 << USB_LED_SCROLL_LOCK)) ? "SCLK" : "    ");
+
+  return host_led_state;
+}
diff --git a/keyboards/crkbd/keymaps/lib/keylogger.c b/keyboards/crkbd/keymaps/lib/keylogger.c
new file mode 100644
index 0000000000..ee14ff0335
--- /dev/null
+++ b/keyboards/crkbd/keymaps/lib/keylogger.c
@@ -0,0 +1,49 @@
+#include "crkbd.h"
+
+char keylog[40] = {};
+char keylogs[21] = {};
+int keylogs_idx = 0;
+
+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 < 60)
+  {
+    name = code_to_name[keycode];
+  }
+
+  // update keylog
+  snprintf(keylog, sizeof(keylog), "%dx%d, k%2d : %c",
+           record->event.key.row,
+           record->event.key.col,
+           keycode,
+           name);
+
+  // update keylogs
+  if (keylogs_idx == sizeof(keylogs) - 1)
+  {
+    keylogs_idx = 0;
+    for (int i = 0; i < sizeof(keylogs) - 1; i++)
+    {
+      keylogs[i] = ' ';
+    }
+  }
+  keylogs[keylogs_idx] = name;
+  keylogs_idx++;
+}
+
+char *read_keylog(void) {
+  return keylog;
+}
+
+char *read_keylogs(void) {
+  return keylogs;
+}
diff --git a/keyboards/crkbd/keymaps/lib/layer_state_reader.c b/keyboards/crkbd/keymaps/lib/layer_state_reader.c
new file mode 100644
index 0000000000..f79720d6f9
--- /dev/null
+++ b/keyboards/crkbd/keymaps/lib/layer_state_reader.c
@@ -0,0 +1,33 @@
+#include "crkbd.h"
+
+#define L_BASE 0
+#define L_LOWER 8
+#define L_RAISE 16
+#define L_ADJUST 65536
+#define L_ADJUST_TRI 65560
+
+char layer_state_str[40];
+
+char *read_layer_state(void)
+{
+  switch (layer_state)
+  {
+    case L_BASE:
+       snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Default");
+       break;
+    case L_RAISE:
+       snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Raise");
+       break;
+    case L_LOWER:
+       snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Lower");
+       break;
+    case L_ADJUST:
+    case L_ADJUST_TRI:
+       snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Adjust");
+       break;
+    default:
+       snprintf(layer_state_str,sizeof(layer_state_str), "Layer: Undef-%ld", layer_state);
+  }
+
+  return layer_state_str;
+}
diff --git a/keyboards/crkbd/keymaps/lib/logo_reader.c b/keyboards/crkbd/keymaps/lib/logo_reader.c
new file mode 100644
index 0000000000..46de17bfe0
--- /dev/null
+++ b/keyboards/crkbd/keymaps/lib/logo_reader.c
@@ -0,0 +1,12 @@
+#include "crkbd.h"
+
+char *read_logo(void)
+{
+  static char 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};
+
+  return logo;
+}
diff --git a/keyboards/crkbd/keymaps/lib/mode_icon_reader.c b/keyboards/crkbd/keymaps/lib/mode_icon_reader.c
new file mode 100644
index 0000000000..cb3d8adb12
--- /dev/null
+++ b/keyboards/crkbd/keymaps/lib/mode_icon_reader.c
@@ -0,0 +1,15 @@
+#include "crkbd.h"
+
+char mode_icon[40];
+
+char *read_mode_icon(bool swap)
+{
+  static char logo[][2][3]={{{0x95,0x96,0},{0xb5,0xb6,0}},{{0x97,0x98,0},{0xb7,0xb8,0}}};
+  if(swap == false){
+    snprintf(mode_icon, sizeof(mode_icon), "%s\n%s", logo[0][0], logo[0][1]);
+  }else{
+    snprintf(mode_icon, sizeof(mode_icon), "%s\n%s", logo[1][0], logo[1][1]);
+  }
+
+  return mode_icon;
+}
diff --git a/keyboards/crkbd/keymaps/lib/timelogger.c b/keyboards/crkbd/keymaps/lib/timelogger.c
new file mode 100644
index 0000000000..0e22bafe7f
--- /dev/null
+++ b/keyboards/crkbd/keymaps/lib/timelogger.c
@@ -0,0 +1,17 @@
+#include "crkbd.h"
+
+char timelog[40] = {};
+int last_time = 0;
+int elapsed_time = 0;
+
+void set_timelog(void)
+{
+  elapsed_time = timer_elapsed(last_time);
+  last_time = timer_read();
+  snprintf(timelog, sizeof(timelog), "lt:%5d, et:%5d", last_time, elapsed_time);
+}
+
+char *read_timelog(void)
+{
+  return timelog;
+}