From 3ba242cc3f5db93b14f0939f056e9aa759a43efe Mon Sep 17 00:00:00 2001
From: gorbachev <tpp+github@iki.fi>
Date: Sat, 10 Nov 2018 11:22:36 -0500
Subject: Keymap for random key presses for the scrabblepad (#4356)

* Random key presses for scrabblepad

* Fix keymap code comments

* Remove unused methods as per code review
---
 keyboards/scrabblepad/keymaps/random/keymap.c  | 75 ++++++++++++++++++++++++++
 keyboards/scrabblepad/keymaps/random/readme.md |  5 ++
 2 files changed, 80 insertions(+)
 create mode 100644 keyboards/scrabblepad/keymaps/random/keymap.c
 create mode 100644 keyboards/scrabblepad/keymaps/random/readme.md

(limited to 'keyboards')

diff --git a/keyboards/scrabblepad/keymaps/random/keymap.c b/keyboards/scrabblepad/keymaps/random/keymap.c
new file mode 100644
index 000000000..8e7825966
--- /dev/null
+++ b/keyboards/scrabblepad/keymaps/random/keymap.c
@@ -0,0 +1,75 @@
+#include "scrabblepad.h"
+#include <stdlib.h>
+
+static uint16_t keystroke;
+static bool shift_pressed;
+
+static int lower = (int) KC_A;
+static int upper = (int) KC_Z;
+
+uint16_t random_keycode(void) {
+  return lower + (rand() % (upper - lower + 1));
+};
+
+enum custom_keycodes {
+  RND_KEY = SAFE_RANGE
+};
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  switch(keycode) {
+    case RND_KEY:
+      if (record->event.pressed) {
+        keystroke = random_keycode();
+        if (rand() % 2 > 0) {
+          shift_pressed = 1;
+          register_code(KC_LSHIFT);
+        }
+        register_code(keystroke);
+      } else {
+        if (shift_pressed > 0) {
+          unregister_code(KC_LSHIFT);
+        }
+        unregister_code(keystroke);
+      }
+
+      return false;
+
+    default:
+        return true;
+  }
+
+  return true;
+}
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+[0] = LAYOUT( /* Base */
+  RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, \
+  RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, \
+  RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, \
+  RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, \
+  RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, \
+  RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, \
+  RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, \
+  RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RESET, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, \
+  RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, \
+  RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, \
+  RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, \
+  RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, \
+  RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, \
+  RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, \
+  RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY, RND_KEY
+),
+};
+
+
+void matrix_init_user(void) {
+
+}
+
+void matrix_scan_user(void) {
+
+}
+
+void led_set_user(uint8_t usb_led) {
+
+}
diff --git a/keyboards/scrabblepad/keymaps/random/readme.md b/keyboards/scrabblepad/keymaps/random/readme.md
new file mode 100644
index 000000000..e719adaeb
--- /dev/null
+++ b/keyboards/scrabblepad/keymaps/random/readme.md
@@ -0,0 +1,5 @@
+# Scrabblepad keymap with every key press random
+
+Every key produces a random key press, except the middle key, which is reserved for resetting the board.
+
+The random key press is selected between KC_A and KC_Z keycodes.
-- 
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