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