Adding my own keymaps to the following keyboards:

Planck, Preonic, Atreus, Ergodox

3 files changed, 392 insertions, 0 deletions

diff --git a/keyboards/preonic/keymaps/xyverz/README.md b/keyboards/preonic/keymaps/xyverz/README.md
new file mode 100644
index 0000000000..9c23c5b9f3
--- /dev/null
+++ b/keyboards/preonic/keymaps/xyverz/README.md
@@ -0,0 +1,49 @@
+# The default Preonic layout - largely based on the Planck's
+
+## QWERTY Layer:
+
+/* Qwerty
+ * ,-----------------------------------------------------------------------------------.
+ * | Esc  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Tab  |   Q  |   W  |   E  |   R  |   T  |   Y  |   U  |   I  |   O  |   P  | Del  |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * |  -   |   A  |   S  |   D  |   F  |   G  |   H  |   J  |   K  |   L  |   ;  |  "   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * | Shift|   Z  |   X  |   C  |   V  |   B  |   N  |   M  |   ,  |   .  |   /  | Shift|
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Ctrl |  Alt | Left |Right |Lower |    Space    |Raise |  Up  | Down |  GUI |Enter |
+ * `-----------------------------------------------------------------------------------'
+ */
+
+## LOWER Layer:
+
+/* Lower
+ * ,-----------------------------------------------------------------------------------.
+ * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * |   ~  |   !  |   @  |   #  |   $  |   %  |   ^  |   &  |   *  |   (  |   )  | Del  |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * | Caps |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |   _  |   +  |   {  |   }  |  |   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * |      |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |      | Mute | Vol- | Vol+ |      |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Brite|      | Home |  End |      |     Ins     |      | PgUp | PgDN |      |Enter |
+ * `-----------------------------------------------------------------------------------'
+ */
+
+## RAISE Layer:
+
+/* Raise
+ * ,-----------------------------------------------------------------------------------.
+ * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |   ~  |   !  |   @  |   #  |   $  |   %  |   ^  |   &  |   *  |   (  |   )  | Del  |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * | Caps |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |   -  |   =  |   [  |   ]  |  \   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * |      |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |      | Prev | Play | Next |      |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Brite|      | Home |  End |      |     Ins     |      | PgUp | PgDN |      |Enter |
+ * `-----------------------------------------------------------------------------------'
+ */
\ No newline at end of file
diff --git a/keyboards/preonic/keymaps/xyverz/keymap.c b/keyboards/preonic/keymaps/xyverz/keymap.c
new file mode 100644
index 0000000000..adc7392e5c
--- /dev/null
+++ b/keyboards/preonic/keymaps/xyverz/keymap.c
@@ -0,0 +1,342 @@
+#include "preonic.h"
+#include "action_layer.h"
+#include "eeconfig.h"
+#ifdef AUDIO_ENABLE
+  #include "audio.h"
+#endif
+
+// Each layer gets a name for readability, which is then used in the keymap matrix below.
+// The underscores don't mean anything - you can have a layer called STUFF or any other name.
+// Layer names don't all need to be of the same length, obviously, and you can also skip them
+// entirely and just use numbers.
+#define _QWERTY 0
+#define _COLEMAK 1
+#define _DVORAK 2
+#define _LOWER 3
+#define _RAISE 4
+#define _MUSIC 5
+#define _ADJUST 16
+
+// Macro name shortcuts
+#define QWERTY M(_QWERTY)
+#define COLEMAK M(_COLEMAK)
+#define DVORAK M(_DVORAK)
+#define LOWER M(_LOWER)
+#define RAISE M(_RAISE)
+#define M_BL 5
+#define AUD_OFF M(6)
+#define AUD_ON M(7)
+#define MUS_OFF M(8)
+#define MUS_ON M(9)
+#define VC_IN M(10)
+#define VC_DE M(11)
+
+// Fillers to make layering more clear
+#define _______ KC_TRNS
+#define XXXXXXX KC_NO
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+/* Qwerty
+ * ,-----------------------------------------------------------------------------------.
+ * | Esc  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Tab  |   Q  |   W  |   E  |   R  |   T  |   Y  |   U  |   I  |   O  |   P  | Del  |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * |  -   |   A  |   S  |   D  |   F  |   G  |   H  |   J  |   K  |   L  |   ;  |  "   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * | Shift|   Z  |   X  |   C  |   V  |   B  |   N  |   M  |   ,  |   .  |   /  | Shift|
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Ctrl |  Alt | Left |Right |Lower |    Space    |Raise |  Up  | Down |  GUI |Enter |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_QWERTY] = {
+  {KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC},
+  {KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_DEL},
+  {KC_MINS, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT},
+  {KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT},
+  {KC_LCTL, KC_LALT, KC_LEFT, KC_RGHT, LOWER,   KC_SPC,  KC_SPC,  RAISE,   KC_UP,   KC_DOWN, KC_RGUI, KC_ENT }
+},
+
+/* Colemak
+ * ,-----------------------------------------------------------------------------------.
+ * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Tab  |   Q  |   W  |   F  |   P  |   G  |   J  |   L  |   U  |   Y  |   ;  | Del  |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * | Esc  |   A  |   R  |   S  |   T  |   D  |   H  |   N  |   E  |   I  |   O  |  "   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * | Shift|   Z  |   X  |   C  |   V  |   B  |   K  |   M  |   ,  |   .  |   /  |Enter |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Brite| Ctrl | Alt  | GUI  |Lower |    Space    |Raise | Left | Down |  Up  |Right |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_COLEMAK] = {
+  {KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC},
+  {KC_TAB,  KC_Q,    KC_W,    KC_F,    KC_P,    KC_G,    KC_J,    KC_L,    KC_U,    KC_Y,    KC_SCLN, KC_DEL},
+  {KC_ESC,  KC_A,    KC_R,    KC_S,    KC_T,    KC_D,    KC_H,    KC_N,    KC_E,    KC_I,    KC_O,    KC_QUOT},
+  {KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_K,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_ENT },
+  {M(M_BL), KC_LCTL, KC_LALT, KC_LGUI, LOWER,   KC_SPC,  KC_SPC,  RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT}
+},
+
+/* Dvorak
+ * ,-----------------------------------------------------------------------------------.
+ * | Esc  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Tab  |   "  |   ,  |   .  |   P  |   Y  |   F  |   G  |   C  |   R  |   L  |  /   |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * | Esc  |   A  |   O  |   E  |   U  |   I  |   D  |   H  |   T  |   N  |   S  |  -   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * | Shift|   ;  |   Q  |   J  |   K  |   X  |   B  |   M  |   W  |   V  |   Z  | Shift|
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Ctrl | Alt  | Left |Right |Lower |    Space    |Raise |  Up  | Down |  GUI |Enter |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_DVORAK] = {
+  {KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC},
+  {KC_TAB,  KC_QUOT, KC_COMM, KC_DOT,  KC_P,    KC_Y,    KC_F,    KC_G,    KC_C,    KC_R,    KC_L,    KC_SLSH},
+  {KC_ESC,  KC_A,    KC_O,    KC_E,    KC_U,    KC_I,    KC_D,    KC_H,    KC_T,    KC_N,    KC_S,    KC_MINS},
+  {KC_LSFT, KC_SCLN, KC_Q,    KC_J,    KC_K,    KC_X,    KC_B,    KC_M,    KC_W,    KC_V,    KC_Z,    KC_RSFT},
+  {KC_LCTL, KC_LALT, KC_LEFT, KC_RGHT, LOWER,   KC_SPC,  KC_SPC,  RAISE,   KC_UP,   KC_DOWN, KC_RGUI, KC_ENT }
+},
+
+/* Lower
+ * ,-----------------------------------------------------------------------------------.
+ * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * |   ~  |   !  |   @  |   #  |   $  |   %  |   ^  |   &  |   *  |   (  |   )  | Del  |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * | Caps |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |   _  |   +  |   {  |   }  |  |   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * |      |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |      | Mute | Vol- | Vol+ |      |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Brite|      | Home |  End |      |     Ins     |      | PgUp | PgDN |      |Enter |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_LOWER] = {
+  {KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC},
+  {KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_DEL},
+  {KC_CAPS, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_UNDS, KC_PLUS, KC_LCBR, KC_RCBR, KC_PIPE},
+  {_______, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  KC_MUTE, KC_VOLD, KC_VOLU, _______, _______},
+  {M(M_BL), _______, KC_HOME, KC_END,  _______, KC_INS,  KC_INS,  _______, KC_PGUP, KC_PGDN, _______, _______}
+},
+
+/* Raise
+ * ,-----------------------------------------------------------------------------------.
+ * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |   ~  |   !  |   @  |   #  |   $  |   %  |   ^  |   &  |   *  |   (  |   )  | Del  |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * | Caps |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |   -  |   =  |   [  |   ]  |  \   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * |      |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |      | Prev | Play | Next |      |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Brite|      | Home |  End |      |     Ins     |      | PgUp | PgDN |      |Enter |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_RAISE] = {
+  {KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC},
+  {KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_DEL},
+  {KC_CAPS, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_MINS, KC_EQL,  KC_LBRC, KC_RBRC, KC_BSLS},
+  {_______, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  KC_MPRV, KC_MPLY, KC_MNXT, _______, _______},
+  {M(M_BL), _______, KC_HOME, KC_END,  _______, KC_INS,  KC_INS,  _______, KC_PGUP, KC_PGDN, _______, _______}
+},
+
+/* Music (reserved for process_action_user)
+ *
+ */
+[_MUSIC] = {
+  {XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX},
+  {XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX},
+  {XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX},
+  {XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX},
+  {XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, LOWER,   XXXXXXX, XXXXXXX, RAISE,   XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX}
+},
+
+/* Adjust (Lower + Raise)
+ * ,-----------------------------------------------------------------------------------.
+ * |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      | Reset|      |      |      |      |      |      |      |      |      |  Del |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * |      |      |      |Audoff|Aud on|AGnorm|AGswap|Qwerty|Colemk|Dvorak|      |      |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * |      |Voice-|Voice+|Musoff|Mus on|      |      |      |      |      |      |      |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      |      |      |      |      |             |      |      |      |      |      |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_ADJUST] = {
+  {KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12},
+  {_______, RESET,   _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_DEL},
+  {_______, _______, _______, AUD_ON,  AUD_OFF, AG_NORM, AG_SWAP,  QWERTY, COLEMAK, DVORAK,  _______, _______},
+  {_______, VC_DE,   VC_IN,   MUS_ON,  MUS_OFF, _______, _______, _______, _______, _______, _______, _______},
+  {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______}
+}
+
+
+};
+
+const uint16_t PROGMEM fn_actions[] = {
+
+};
+
+#ifdef AUDIO_ENABLE
+float start_up[][2] = {
+  {440.0*pow(2.0,(14)/12.0), 20},
+  {440.0*pow(2.0,(26)/12.0), 8},
+  {440.0*pow(2.0,(18)/12.0), 20},
+  {440.0*pow(2.0,(26)/12.0), 8}
+};
+
+float tone_qwerty[][2]     = SONG(QWERTY_SOUND);
+float tone_dvorak[][2]     = SONG(DVORAK_SOUND);
+float tone_colemak[][2]    = SONG(COLEMAK_SOUND);
+
+float music_scale[][2] = SONG(MUSIC_SCALE_SOUND);
+float goodbye[][2] = SONG(GOODBYE_SOUND);
+#endif
+
+void persistant_default_layer_set(uint16_t default_layer) {
+  eeconfig_update_default_layer(default_layer);
+  default_layer_set(default_layer);
+}
+
+const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
+{
+      switch(id) {
+        case _QWERTY:
+          if (record->event.pressed) {
+            #ifdef AUDIO_ENABLE
+              PLAY_NOTE_ARRAY(tone_qwerty, false, 0);
+            #endif
+            persistant_default_layer_set(1UL<<_QWERTY);
+          }
+          break;
+        case _COLEMAK:
+          if (record->event.pressed) {
+            #ifdef AUDIO_ENABLE
+              PLAY_NOTE_ARRAY(tone_colemak, false, 0);
+            #endif
+            persistant_default_layer_set(1UL<<_COLEMAK);
+          }
+          break;
+        case _DVORAK:
+          if (record->event.pressed) {
+            #ifdef AUDIO_ENABLE
+              PLAY_NOTE_ARRAY(tone_dvorak, false, 0);
+            #endif
+            persistant_default_layer_set(1UL<<_DVORAK);
+          }
+          break;
+        case _LOWER:
+          if (record->event.pressed) {
+            layer_on(_LOWER);
+            update_tri_layer(_LOWER, _RAISE, _ADJUST);
+          } else {
+            layer_off(_LOWER);
+            update_tri_layer(_LOWER, _RAISE, _ADJUST);
+          }
+          break;
+        case _RAISE:
+          if (record->event.pressed) {
+            layer_on(_RAISE);
+            update_tri_layer(_LOWER, _RAISE, _ADJUST);
+          } else {
+            layer_off(_RAISE);
+            update_tri_layer(_LOWER, _RAISE, _ADJUST);
+          }
+          break;
+        case M_BL:
+          if (record->event.pressed) {
+            register_code(KC_RSFT);
+            #ifdef BACKLIGHT_ENABLE
+              backlight_step();
+            #endif
+          } else {
+            unregister_code(KC_RSFT);
+          }
+        break;
+        case 6:
+          if (record->event.pressed) {
+            #ifdef AUDIO_ENABLE
+              audio_off();
+            #endif
+          }
+        break;
+        case 7:
+          if (record->event.pressed) {
+            #ifdef AUDIO_ENABLE
+              audio_on();
+              PLAY_NOTE_ARRAY(start_up, false, 0);
+            #endif
+          }
+        break;
+        case 8:
+          if (record->event.pressed) {
+            #ifdef AUDIO_ENABLE
+              layer_off(_MUSIC);
+              stop_all_notes();
+            #endif
+          }
+        break;
+        case 9:
+          if (record->event.pressed) {
+            #ifdef AUDIO_ENABLE
+              PLAY_NOTE_ARRAY(music_scale, false, 0);
+              layer_on(_MUSIC);
+            #endif
+          }
+        break;
+        case 10:
+          if (record->event.pressed) {
+            #ifdef AUDIO_ENABLE
+              voice_iterate();
+              PLAY_NOTE_ARRAY(music_scale, false, 0);
+            #endif
+          }
+        break;
+        case 11:
+          if (record->event.pressed) {
+            #ifdef AUDIO_ENABLE
+              voice_deiterate();
+              PLAY_NOTE_ARRAY(music_scale, false, 0);
+            #endif
+          }
+        break;
+      }
+    return MACRO_NONE;
+};
+
+
+void matrix_init_user(void) {
+  #ifdef AUDIO_ENABLE
+    _delay_ms(20); // gets rid of tick
+    PLAY_NOTE_ARRAY(start_up, false, 0);
+  #endif
+}
+
+#ifdef AUDIO_ENABLE
+
+uint8_t starting_note = 0x0C;
+int offset = 7;
+
+void process_action_user(keyrecord_t *record) {
+
+  if (IS_LAYER_ON(_MUSIC)) {
+    if (record->event.pressed) {
+        play_note(((double)220.0)*pow(2.0, -4.0)*pow(2.0,(starting_note + SCALE[record->event.key.col + offset])/12.0+(MATRIX_ROWS - record->event.key.row)), 0xF);
+    } else {
+        stop_note(((double)220.0)*pow(2.0, -4.0)*pow(2.0,(starting_note + SCALE[record->event.key.col + offset])/12.0+(MATRIX_ROWS - record->event.key.row)));
+    }
+  }
+
+}
+
+void play_goodbye_tone()
+{
+  PLAY_NOTE_ARRAY(goodbye, false, 0);
+  _delay_ms(150);
+}
+
+#endif
\ No newline at end of file
diff --git a/keyboards/preonic/keymaps/xyverz/makefile.mk b/keyboards/preonic/keymaps/xyverz/makefile.mk
new file mode 100644
index 0000000000..628167ff66
--- /dev/null
+++ b/keyboards/preonic/keymaps/xyverz/makefile.mk
@@ -0,0 +1 @@
+AUDIO_ENABLE = yes
\ No newline at end of file