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/* Copyright 2017 Joseph Wasson
*
* 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 <http://www.gnu.org/licenses/>.
*/
#include "process_steno.h"
#include "quantum_keycodes.h"
#include "eeprom.h"
#include "keymap_steno.h"
#include "virtser.h"
// TxBolt Codes
#define TXB_NUL 0
#define TXB_S_L 0b00000001
#define TXB_T_L 0b00000010
#define TXB_K_L 0b00000100
#define TXB_P_L 0b00001000
#define TXB_W_L 0b00010000
#define TXB_H_L 0b00100000
#define TXB_R_L 0b01000001
#define TXB_A_L 0b01000010
#define TXB_O_L 0b01000100
#define TXB_STR 0b01001000
#define TXB_E_R 0b01010000
#define TXB_U_R 0b01100000
#define TXB_F_R 0b10000001
#define TXB_R_R 0b10000010
#define TXB_P_R 0b10000100
#define TXB_B_R 0b10001000
#define TXB_L_R 0b10010000
#define TXB_G_R 0b10100000
#define TXB_T_R 0b11000001
#define TXB_S_R 0b11000010
#define TXB_D_R 0b11000100
#define TXB_Z_R 0b11001000
#define TXB_NUM 0b11010000
#define TXB_GRP0 0b00000000
#define TXB_GRP1 0b01000000
#define TXB_GRP2 0b10000000
#define TXB_GRP3 0b11000000
#define TXB_GRPMASK 0b11000000
#define TXB_GET_GROUP(code) ((code & TXB_GRPMASK) >> 6)
#define BOLT_STATE_SIZE 4
#define GEMINI_STATE_SIZE 6
#define MAX_STATE_SIZE GEMINI_STATE_SIZE
uint8_t state[MAX_STATE_SIZE] = {0};
uint8_t pressed = 0;
steno_mode_t mode;
uint8_t boltmap[64] = {
TXB_NUL, TXB_NUM, TXB_NUM, TXB_NUM, TXB_NUM, TXB_NUM, TXB_NUM,
TXB_S_L, TXB_S_L, TXB_T_L, TXB_K_L, TXB_P_L, TXB_W_L, TXB_H_L,
TXB_R_L, TXB_A_L, TXB_O_L, TXB_STR, TXB_STR, TXB_NUL, TXB_NUL,
TXB_NUL, TXB_STR, TXB_STR, TXB_E_R, TXB_U_R, TXB_F_R, TXB_R_R,
TXB_P_R, TXB_B_R, TXB_L_R, TXB_G_R, TXB_T_R, TXB_S_R, TXB_D_R,
TXB_NUM, TXB_NUM, TXB_NUM, TXB_NUM, TXB_NUM, TXB_NUM, TXB_Z_R
};
void steno_clear_state(void) {
__builtin_memset(state, 0, sizeof(state));
}
void steno_init() {
if (!eeconfig_is_enabled()) {
eeconfig_init();
}
mode = eeprom_read_byte(EECONFIG_STENOMODE);
}
void steno_set_mode(steno_mode_t new_mode) {
steno_clear_state();
mode = new_mode;
eeprom_update_byte(EECONFIG_STENOMODE, mode);
}
void send_steno_state(uint8_t size, bool send_empty) {
for (uint8_t i = 0; i < size; ++i) {
if (state[i] || send_empty) {
virtser_send(state[i]);
}
}
steno_clear_state();
}
bool update_state_bolt(uint8_t key) {
uint8_t boltcode = boltmap[key];
state[TXB_GET_GROUP(boltcode)] |= boltcode;
return false;
}
bool send_state_bolt(void) {
send_steno_state(BOLT_STATE_SIZE, false);
virtser_send(0); // terminating byte
return false;
}
bool update_state_gemini(uint8_t key) {
state[key / 7] |= 1 << (6 - (key % 7));
return false;
}
bool send_state_gemini(void) {
state[0] |= 0x80; // Indicate start of packet
send_steno_state(GEMINI_STATE_SIZE, true);
return false;
}
bool process_steno(uint16_t keycode, keyrecord_t *record) {
switch (keycode) {
case QK_STENO_BOLT:
if (IS_PRESSED(record->event)) {
steno_set_mode(STENO_MODE_BOLT);
}
return false;
case QK_STENO_GEMINI:
if (IS_PRESSED(record->event)) {
steno_set_mode(STENO_MODE_GEMINI);
}
return false;
case STN__MIN...STN__MAX:
if (IS_PRESSED(record->event)) {
uint8_t key = keycode - QK_STENO;
++pressed;
switch(mode) {
case STENO_MODE_BOLT:
return update_state_bolt(key);
case STENO_MODE_GEMINI:
return update_state_gemini(key);
default:
return false;
}
} else {
--pressed;
if (pressed <= 0) {
pressed = 0;
switch(mode) {
case STENO_MODE_BOLT:
return send_state_bolt();
case STENO_MODE_GEMINI:
return send_state_gemini();
default:
return false;
}
}
}
}
return true;
}
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