diff options
| -rw-r--r-- | keyboard/planck/keymaps/cbbrowne/keymap.c | 166 |
1 files changed, 18 insertions, 148 deletions
diff --git a/keyboard/planck/keymaps/cbbrowne/keymap.c b/keyboard/planck/keymaps/cbbrowne/keymap.c index 45a297cda3..250d412ced 100644 --- a/keyboard/planck/keymaps/cbbrowne/keymap.c +++ b/keyboard/planck/keymaps/cbbrowne/keymap.c @@ -118,6 +118,9 @@ static uint16_t random_value = 157; const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt) { + uint8_t clockbyte=0; + clockbyte = TCNT1 % 256; + uint8_t rval; // MACRODOWN only works in this function switch(id) { case M_LED: @@ -141,160 +144,27 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt) /* Generate, based on random number generator, a keystroke for a numeric digit chosen at random */ random_value = ((random_value + randadd) * randmul) % randmod; - if (record->event.pressed) - switch(random_value % 10) { - case 0: - register_code (KC_0); - unregister_code (KC_0); - break; - case 1: - register_code (KC_1); - unregister_code (KC_1); - break; - case 2: - register_code (KC_2); - unregister_code (KC_2); - break; - case 3: - register_code (KC_3); - unregister_code (KC_3); - break; - case 4: - register_code (KC_4); - unregister_code (KC_4); - break; - case 5: - register_code (KC_5); - unregister_code (KC_5); - break; - case 6: - register_code (KC_6); - unregister_code (KC_6); - break; - case 7: - register_code (KC_7); - unregister_code (KC_7); - break; - case 8: - register_code (KC_8); - unregister_code (KC_8); - break; - case 9: - register_code (KC_9); - unregister_code (KC_9); - break; + if (record->event.pressed) { + /* Here, we mix the LCRNG with low bits from one of the system + clocks via XOR in the theory that this may be more random + than either separately */ + rval = (random_value ^ clockbyte) % 10; + /* Note that KC_1 thru KC_0 are a contiguous range */ + register_code (KC_1 + rval); + unregister_code (KC_1 + rval); } break; case M_RANDLETTER: /* Generate, based on random number generator, a keystroke for a letter chosen at random */ + /* Here, we mix the LCRNG with low bits from one of the system + clocks via XOR in the theory that this may be more random + than either separately */ random_value = ((random_value + randadd) * randmul) % randmod; - if (record->event.pressed) - switch(random_value % 26) { - case 0: - register_code(KC_A); - unregister_code(KC_A); - break; - case 1: - register_code(KC_B); - unregister_code(KC_B); - break; - case 2: - register_code(KC_C); - unregister_code(KC_C); - break; - case 3: - register_code(KC_D); - unregister_code(KC_D); - break; - case 4: - register_code(KC_E); - unregister_code(KC_E); - break; - case 5: - register_code(KC_F); - unregister_code(KC_F); - break; - case 6: - register_code(KC_G); - unregister_code(KC_G); - break; - case 7: - register_code(KC_H); - unregister_code(KC_H); - break; - case 8: - register_code(KC_I); - unregister_code(KC_I); - break; - case 9: - register_code(KC_J); - unregister_code(KC_J); - break; - case 10: - register_code(KC_K); - unregister_code(KC_K); - break; - case 11: - register_code(KC_L); - unregister_code(KC_L); - break; - case 12: - register_code(KC_M); - unregister_code(KC_M); - break; - case 13: - register_code(KC_N); - unregister_code(KC_N); - break; - case 14: - register_code(KC_O); - unregister_code(KC_O); - break; - case 15: - register_code(KC_P); - unregister_code(KC_P); - break; - case 16: - register_code(KC_Q); - unregister_code(KC_Q); - break; - case 17: - register_code(KC_R); - unregister_code(KC_R); - break; - case 18: - register_code(KC_S); - unregister_code(KC_S); - break; - case 19: - register_code(KC_T); - unregister_code(KC_T); - break; - case 20: - register_code(KC_U); - unregister_code(KC_U); - break; - case 21: - register_code(KC_V); - unregister_code(KC_V); - break; - case 22: - register_code(KC_W); - unregister_code(KC_W); - break; - case 23: - register_code(KC_X); - unregister_code(KC_X); - break; - case 24: - register_code(KC_Y); - unregister_code(KC_Y); - break; - case 25: - register_code(KC_Z); - unregister_code(KC_Z); - break; + if (record->event.pressed) { + rval = (random_value ^ clockbyte) % 26; + register_code (KC_A + rval); + unregister_code (KC_A + rval); } break; } |