1 files changed, 123 insertions, 0 deletions
diff --git a/keyboards/tominabox1/le_chiffre/le_chiffre.c b/keyboards/tominabox1/le_chiffre/le_chiffre.c
new file mode 100644
index 0000000000..e33112edad
--- /dev/null
+++ b/keyboards/tominabox1/le_chiffre/le_chiffre.c
@@ -0,0 +1,123 @@
+// Copyright 2020 tominabox1 (@tominabox1)
+// Copyright 2019 @foostan
+// Copyright 2020 Drashna Jaelre <@drashna>
+// Copyright 2023 QMK Contributors <@qmk>
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "quantum.h"
+#include "le_chiffre.h"
+
+#if defined(OLED_ENABLE) // Special thanks to Sickbabies for this great OLED widget!
+
+/* CONSTANTS */
+const char PROGMEM code_to_name[53] = {
+    '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',
+    '_', '-', '=', '[', ']', '\\', '#', ';', '\'', '`',
+    ',', '.', '/'
+};
+
+const char PROGMEM lechiffre_logo[96] = {
+    // 'lechiffre_logo', 32x20px
+    0x00, 0x3e, 0x20, 0x20, 0x00, 0x18, 0x2c, 0xa8, 0x80, 0x00, 0x1c, 0x22, 0x22, 0x00, 0x3e, 0x08,
+    0x30, 0x00, 0x34, 0x00, 0x3c, 0x0a, 0x00, 0xbc, 0x8a, 0x00, 0x38, 0x08, 0x00, 0x18, 0x2c, 0x28,
+    0x00, 0xb6, 0xb6, 0x00, 0xdb, 0xdb, 0x00, 0x6d, 0x6d, 0x00, 0xdb, 0xdb, 0x00, 0xdb, 0xdb, 0x00,
+    0x00, 0xdb, 0xdb, 0x00, 0xdb, 0xdb, 0x00, 0x6d, 0x6d, 0x00, 0xdb, 0xdb, 0x00, 0xb6, 0xb6, 0x00,
+    0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x06, 0x06, 0x06, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x00,
+    0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x00, 0x06, 0x06, 0x06, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00
+};
+
+const char PROGMEM oled_section_break[6] = OLED_SECTION_BREAK;
+/* END CONSTANTS */
+
+/* TRACKERS */
+static char     keylog_str[KEYLOG_LEN] = {};
+static uint16_t log_timer              = 0;
+/* END TRACKERS */
+
+/* BEGIN STANDARD QMK FUNCTIONS */
+
+oled_rotation_t oled_init_kb(oled_rotation_t rotation) {
+    return OLED_ROTATION_90;
+}
+
+bool oled_task_kb(void) {
+    if (!oled_task_user()) {
+        return false;
+    }
+    oled_write_raw_P(lechiffre_logo, sizeof(lechiffre_logo));
+    oled_set_cursor(0, 3);
+    oled_write_P(oled_section_break, false);
+    render_layer_status(get_u8_str(get_highest_layer(layer_state | default_layer_state), ' '));
+    oled_write_P(oled_section_break, false);
+    render_mod_status(get_mods() | get_oneshot_mods());
+    oled_write_P(oled_section_break, false);
+    render_keylock_status(host_keyboard_led_state());
+    return true;
+}
+
+/* END STANDARD QMK FUNCTIONS */
+/* BEGIN CUSTOM HELPER FUNCTIONS FOR OLED */
+
+/**
+ * Sickbabies deserves credit for the original OLED implementation,
+ * however most of the keylogging code appears to have been lifted from crkbd
+ * -- which is why @foostan and @drashna are now credited here as well.
+ *
+ * Improvements were lifted from crkbd again in 2023, with gratitude.
+ */
+void add_keylog(uint16_t keycode, keyrecord_t *record) {
+    if (IS_QK_MOD_TAP(keycode) && record->tap.count) {
+        keycode = QK_MOD_TAP_GET_TAP_KEYCODE(keycode);
+    } else if (IS_QK_LAYER_TAP(keycode) && record->tap.count) {
+        keycode = QK_LAYER_TAP_GET_TAP_KEYCODE(keycode);
+    } else if (IS_QK_MODS(keycode)) {
+        keycode = QK_MODS_GET_BASIC_KEYCODE(keycode);
+    }
+
+    if (keycode >= KC_A && keycode < KC_CAPS) {
+        keycode -= KC_A; // shift to first letter of alphabet
+        for (uint8_t i = KEYLOG_LEN - 1; i > 0; i--) {
+            keylog_str[i] = keylog_str[i - 1];
+        }
+        keylog_str[0] = pgm_read_byte(&(code_to_name[keycode]));
+        keylog_str[KEYLOG_LEN - 1] = 0x00;
+    }
+
+    log_timer = timer_read();
+}
+
+void render_keylock_status(led_t led_state) {
+    oled_write_P(PSTR("C"), led_state.caps_lock);
+    oled_advance_char();
+    oled_write_P(PSTR("N"), led_state.num_lock);
+    oled_advance_char();
+    oled_write_P(PSTR("S"), led_state.scroll_lock);
+}
+
+void render_keylogger_status(void) {
+    // zero out log after 30s idle time
+    if (strlen(keylog_str) > 0 && timer_elapsed(log_timer) > 30000) {
+        keylog_str[0] = 0x00;
+        oled_advance_page(true);
+        oled_advance_page(true);
+    }
+    oled_write(keylog_str, false);
+}
+
+void render_layer_status(const char* layer_name) {
+    oled_write(layer_name, false);
+    if (strlen(layer_name) < oled_max_chars()) {
+        oled_advance_page(true);
+    }
+}
+
+void render_mod_status(uint8_t modifiers) {
+    oled_write_ln_P(PSTR("SHFT"), (modifiers & MOD_MASK_SHIFT));
+    oled_write_ln_P(PSTR("ALT"), (modifiers & MOD_MASK_ALT));
+    oled_write_ln_P(PSTR("CTRL"), (modifiers & MOD_MASK_CTRL));
+    oled_write_ln_P(PSTR("GUI"), (modifiers & MOD_MASK_GUI));
+}
+#endif // OLED_ENABLE