307 lines
10 KiB
C
307 lines
10 KiB
C
/* Copyright 2021
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <ctype.h>
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#include "quantum.h"
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#include "send_string.h"
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// clang-format off
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/* Bit-Packed look-up table to convert an ASCII character to whether
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* [Shift] needs to be sent with the keycode.
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*/
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__attribute__((weak)) const uint8_t ascii_to_shift_lut[16] PROGMEM = {
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 1, 1, 1, 1, 1, 1, 0),
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KCLUT_ENTRY(1, 1, 1, 1, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 1, 0, 1, 0, 1, 1),
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KCLUT_ENTRY(1, 1, 1, 1, 1, 1, 1, 1),
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KCLUT_ENTRY(1, 1, 1, 1, 1, 1, 1, 1),
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KCLUT_ENTRY(1, 1, 1, 1, 1, 1, 1, 1),
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KCLUT_ENTRY(1, 1, 1, 0, 0, 0, 1, 1),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 1, 1, 1, 1, 0)
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};
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/* Bit-Packed look-up table to convert an ASCII character to whether
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* [AltGr] needs to be sent with the keycode.
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*/
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__attribute__((weak)) const uint8_t ascii_to_altgr_lut[16] PROGMEM = {
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0)
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};
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/* Bit-Packed look-up table to convert an ASCII character to whether
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* [Space] needs to be sent after the keycode
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*/
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__attribute__((weak)) const uint8_t ascii_to_dead_lut[16] PROGMEM = {
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
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KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0)
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};
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/* Look-up table to convert an ASCII character to a keycode.
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*/
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__attribute__((weak)) const uint8_t ascii_to_keycode_lut[128] PROGMEM = {
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// NUL SOH STX ETX EOT ENQ ACK BEL
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XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
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// BS TAB LF VT FF CR SO SI
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KC_BSPC, KC_TAB, KC_ENT, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
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// DLE DC1 DC2 DC3 DC4 NAK SYN ETB
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XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
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// CAN EM SUB ESC FS GS RS US
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XXXXXXX, XXXXXXX, XXXXXXX, KC_ESC, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
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// ! " # $ % & '
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KC_SPC, KC_1, KC_QUOT, KC_3, KC_4, KC_5, KC_7, KC_QUOT,
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// ( ) * + , - . /
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KC_9, KC_0, KC_8, KC_EQL, KC_COMM, KC_MINS, KC_DOT, KC_SLSH,
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// 0 1 2 3 4 5 6 7
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KC_0, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7,
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// 8 9 : ; < = > ?
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KC_8, KC_9, KC_SCLN, KC_SCLN, KC_COMM, KC_EQL, KC_DOT, KC_SLSH,
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// @ A B C D E F G
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KC_2, KC_A, KC_B, KC_C, KC_D, KC_E, KC_F, KC_G,
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// H I J K L M N O
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KC_H, KC_I, KC_J, KC_K, KC_L, KC_M, KC_N, KC_O,
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// P Q R S T U V W
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KC_P, KC_Q, KC_R, KC_S, KC_T, KC_U, KC_V, KC_W,
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// X Y Z [ \ ] ^ _
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KC_X, KC_Y, KC_Z, KC_LBRC, KC_BSLS, KC_RBRC, KC_6, KC_MINS,
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// ` a b c d e f g
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KC_GRV, KC_A, KC_B, KC_C, KC_D, KC_E, KC_F, KC_G,
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// h i j k l m n o
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KC_H, KC_I, KC_J, KC_K, KC_L, KC_M, KC_N, KC_O,
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// p q r s t u v w
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KC_P, KC_Q, KC_R, KC_S, KC_T, KC_U, KC_V, KC_W,
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// x y z { | } ~ DEL
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KC_X, KC_Y, KC_Z, KC_LBRC, KC_BSLS, KC_RBRC, KC_GRV, KC_DEL
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};
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// clang-format on
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// Note: we bit-pack in "reverse" order to optimize loading
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#define PGM_LOADBIT(mem, pos) ((pgm_read_byte(&((mem)[(pos) / 8])) >> ((pos) % 8)) & 0x01)
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void send_string(const char *str) { send_string_with_delay(str, 0); }
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void send_string_P(const char *str) { send_string_with_delay_P(str, 0); }
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void send_string_with_delay(const char *str, uint8_t interval) {
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while (1) {
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char ascii_code = *str;
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if (!ascii_code) break;
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if (ascii_code == SS_QMK_PREFIX) {
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ascii_code = *(++str);
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if (ascii_code == SS_TAP_CODE) {
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// tap
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uint8_t keycode = *(++str);
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tap_code(keycode);
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} else if (ascii_code == SS_DOWN_CODE) {
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// down
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uint8_t keycode = *(++str);
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register_code(keycode);
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} else if (ascii_code == SS_UP_CODE) {
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// up
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uint8_t keycode = *(++str);
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unregister_code(keycode);
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} else if (ascii_code == SS_DELAY_CODE) {
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// delay
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int ms = 0;
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uint8_t keycode = *(++str);
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while (isdigit(keycode)) {
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ms *= 10;
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ms += keycode - '0';
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keycode = *(++str);
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}
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while (ms--) wait_ms(1);
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}
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} else {
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send_char(ascii_code);
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}
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++str;
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// interval
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{
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uint8_t ms = interval;
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while (ms--) wait_ms(1);
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}
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}
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}
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void send_string_with_delay_P(const char *str, uint8_t interval) {
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while (1) {
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char ascii_code = pgm_read_byte(str);
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if (!ascii_code) break;
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if (ascii_code == SS_QMK_PREFIX) {
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ascii_code = pgm_read_byte(++str);
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if (ascii_code == SS_TAP_CODE) {
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// tap
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uint8_t keycode = pgm_read_byte(++str);
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tap_code(keycode);
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} else if (ascii_code == SS_DOWN_CODE) {
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// down
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uint8_t keycode = pgm_read_byte(++str);
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register_code(keycode);
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} else if (ascii_code == SS_UP_CODE) {
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// up
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uint8_t keycode = pgm_read_byte(++str);
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unregister_code(keycode);
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} else if (ascii_code == SS_DELAY_CODE) {
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// delay
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int ms = 0;
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uint8_t keycode = pgm_read_byte(++str);
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while (isdigit(keycode)) {
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ms *= 10;
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ms += keycode - '0';
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keycode = pgm_read_byte(++str);
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}
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while (ms--) wait_ms(1);
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}
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} else {
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send_char(ascii_code);
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}
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++str;
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// interval
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{
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uint8_t ms = interval;
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while (ms--) wait_ms(1);
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}
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}
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}
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void send_char(char ascii_code) {
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#if defined(AUDIO_ENABLE) && defined(SENDSTRING_BELL)
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if (ascii_code == '\a') { // BEL
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PLAY_SONG(bell_song);
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return;
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}
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#endif
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uint8_t keycode = pgm_read_byte(&ascii_to_keycode_lut[(uint8_t)ascii_code]);
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bool is_shifted = PGM_LOADBIT(ascii_to_shift_lut, (uint8_t)ascii_code);
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bool is_altgred = PGM_LOADBIT(ascii_to_altgr_lut, (uint8_t)ascii_code);
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bool is_dead = PGM_LOADBIT(ascii_to_dead_lut, (uint8_t)ascii_code);
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if (is_shifted) {
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register_code(KC_LSFT);
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}
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if (is_altgred) {
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register_code(KC_RALT);
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}
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tap_code(keycode);
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if (is_altgred) {
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unregister_code(KC_RALT);
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}
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if (is_shifted) {
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unregister_code(KC_LSFT);
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}
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if (is_dead) {
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tap_code(KC_SPACE);
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}
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}
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void send_dword(uint32_t number) {
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send_word(number >> 16);
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send_word(number & 0xFFFFUL);
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}
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void send_word(uint16_t number) {
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send_byte(number >> 8);
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send_byte(number & 0xFF);
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}
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void send_byte(uint8_t number) {
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send_nibble(number >> 4);
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send_nibble(number & 0xF);
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}
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void send_nibble(uint8_t number) {
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switch (number & 0xF) {
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case 0 ... 9:
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send_char(number + '0');
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break;
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case 10 ... 15:
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send_char(number - 10 + 'a');
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break;
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}
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}
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void tap_random_base64(void) {
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#if defined(__AVR_ATmega32U4__)
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uint8_t key = (TCNT0 + TCNT1 + TCNT3 + TCNT4) % 64;
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#else
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uint8_t key = rand() % 64;
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#endif
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switch (key) {
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case 0 ... 25:
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send_char(key + 'A');
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break;
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case 26 ... 51:
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send_char(key - 26 + 'a');
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break;
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case 52:
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send_char('0');
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break;
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case 53 ... 61:
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send_char(key - 53 + '1');
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break;
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case 62:
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send_char('+');
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break;
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case 63:
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send_char('/');
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break;
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}
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}
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