@@ 0,0 1,182 @@
+#include QMK_KEYBOARD_H
+#include "jarred.h"
+
+#ifdef PROTOCOL_LUFA
+ #include "lufa.h"
+ #include "split_util.h"
+#endif
+#ifdef SSD1306OLED
+ #include "ssd1306.h"
+#endif
+
+extern keymap_config_t keymap_config;
+extern uint8_t is_master;
+
+#ifdef RGBLIGHT_ENABLE
+//Following line allows macro to read current RGB settings
+extern rgblight_config_t rgblight_config;
+#endif
+
+#define LAYOUT_crkbd_base( \
+ K01, K02, K03, K04, K05, K06, K07, K08, K09, K0A, K0B, K0C, \
+ K11, K12, K13, K14, K15, K16, K17, K18, K19, K1A, K1B, K1C, \
+ K21, K22, K23, K24, K25, K26, K27, K28, K29, K2A, K2B, K2C, \
+ K31, K32, K33, K34, K35, K36 \
+ )
+
+#define LAYOUT_crkbd_wrapper(...) LAYOUT(__VA_ARGS__)
+
+#define QWERTY_4_CRKBD KC_LCTL, MO(_LW), KC_SPC, KC_ENT, MO(_LW), KC_RALT
+
+#define BLANK_4_CRKBD KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ [_QW] = LAYOUT_crkbd_wrapper(
+ QWERTY_1_12,
+ QWERTY_2_12,
+ QWERTY_3_12,
+ QWERTY_4_DOX
+ ),
+
+ [_LW] = LAYOUT_crkbd_wrapper(
+ LOWER_1_12,
+ LOWER_2_12,
+ LOWER_3_12,
+ LOWER_4_DOX
+ ),
+
+ [_NV] = LAYOUT_crkbd_wrapper(
+ NAV_1_12,
+ NAV_2_12,
+ NAV_3_12,
+ NAV_4_DOX
+ ),
+
+ [_NP] = LAYOUT_crkbd_wrapper(
+ NUMPAD_1_12,
+ NUMPAD_2_12,
+ NUMPAD_3_12,
+ NUMPAD_4_DOX
+ ),
+
+ [_MS] = LAYOUT_crkbd_wrapper(
+ MOUSE_1_12,
+ MOUSE_2_12,
+ MOUSE_3_12,
+ MOUSE_4_DOX
+ )
+};
+
+void matrix_init_user(void) {
+ //SSD1306 OLED init, make sure to add #define SSD1306OLED in config.h
+ #ifdef SSD1306OLED
+ iota_gfx_init(!has_usb()); // turns on the display
+ #endif
+}
+
+//SSD1306 OLED update loop, make sure to add #define SSD1306OLED in config.h
+#ifdef SSD1306OLED
+
+// When add source files to SRC in rules.mk, you can use functions.
+const char *read_logo(void);
+void set_keylog(uint16_t keycode, keyrecord_t *record);
+const char *read_keylog(void);
+const char *read_keylogs(void);
+
+char matrix_line_str[24];
+
+const char *read_layer_state(void) {
+ uint8_t layer = biton32(layer_state);
+
+ strcpy(matrix_line_str, "Layer: ");
+
+ switch (layer)
+ {
+ case _QW:
+ strcat(matrix_line_str, "Default");
+ break;
+ case _LW:
+ strcat(matrix_line_str, "Lower");
+ break;
+ case _NV:
+ strcat(matrix_line_str, "Navigation");
+ break;
+ case _NP:
+ strcat(matrix_line_str, "Adjust");
+ break;
+ case _MS:
+ strcat(matrix_line_str, "Mouse");
+ break;
+ default:
+ sprintf(matrix_line_str + strlen(matrix_line_str), "Unknown (%d)", layer);
+ }
+
+ return matrix_line_str;
+}
+
+const char *read_usb_state(void) {
+
+ strcpy(matrix_line_str, "USB : ");
+
+ switch (USB_DeviceState) {
+ case DEVICE_STATE_Unattached:
+ strcat(matrix_line_str, "Unattached");
+ break;
+ case DEVICE_STATE_Suspended:
+ strcat(matrix_line_str, "Suspended");
+ break;
+ case DEVICE_STATE_Configured:
+ strcat(matrix_line_str, "Connected");
+ break;
+ case DEVICE_STATE_Powered:
+ strcat(matrix_line_str, "Powered");
+ break;
+ case DEVICE_STATE_Default:
+ strcat(matrix_line_str, "Default");
+ break;
+ case DEVICE_STATE_Addressed:
+ strcat(matrix_line_str, "Addressed");
+ break;
+ default:
+ strcat(matrix_line_str, "Invalid");
+ }
+
+ return matrix_line_str;
+}
+
+void matrix_scan_user(void) {
+ iota_gfx_task();
+}
+
+void matrix_render_user(struct CharacterMatrix *matrix) {
+ if (is_master) {
+ matrix_write_ln(matrix, read_layer_state());
+ matrix_write_ln(matrix, read_usb_state());
+ matrix_write_ln(matrix, read_keylogs());
+ } else {
+ matrix_write(matrix, read_logo());
+ }
+}
+
+void matrix_update(struct CharacterMatrix *dest, const struct CharacterMatrix *source) {
+ if (memcmp(dest->display, source->display, sizeof(dest->display))) {
+ memcpy(dest->display, source->display, sizeof(dest->display));
+ dest->dirty = true;
+ }
+}
+
+void iota_gfx_task_user(void) {
+ struct CharacterMatrix matrix;
+ matrix_clear(&matrix);
+ matrix_render_user(&matrix);
+ matrix_update(&display, &matrix);
+}
+#endif//SSD1306OLED
+
+bool process_record_keymap(uint16_t keycode, keyrecord_t *record) {
+ if (record->event.pressed) {
+ set_keylog(keycode, record);
+ }
+
+ return true;
+}