Keymap for random key presses for the scrabblepad

keyboards/scrabblepad/keymaps/random/keymap.c

@@ -0,0 +1,95 @@
+#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
+),
+};
+
+
+const uint16_t PROGMEM fn_actions[] = {
+
+};
+
+const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
+{
+  // MACRODOWN only works in this function
+      switch(id) {
+        case 0:
+          if (record->event.pressed) {
+            register_code(KC_RSFT);
+          } else {
+            unregister_code(KC_RSFT);
+          }
+        break;
+      }
+    return MACRO_NONE;
+};
+
+
+void matrix_init_user(void) {
+
+}
+
+void matrix_scan_user(void) {
+
+}
+
+void led_set_user(uint8_t usb_led) {
+
+}

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.