qmk-keychron-q3-colemak-dh/quantum/vial.c
2021-07-17 23:46:10 -04:00

245 lines
8.0 KiB
C

/* Copyright 2020 Ilya Zhuravlev
*
* 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 "vial.h"
#include <string.h>
#include "dynamic_keymap.h"
#include "quantum.h"
#include "vial_generated_keyboard_definition.h"
#include "vial_ensure_keycode.h"
#define VIAL_UNLOCK_COUNTER_MAX 50
#ifdef VIAL_INSECURE
#pragma message "Building Vial-enabled firmware in insecure mode."
int vial_unlocked = 1;
#else
int vial_unlocked = 0;
#endif
int vial_unlock_in_progress = 0;
static int vial_unlock_counter = 0;
static uint16_t vial_unlock_timer;
#ifndef VIAL_INSECURE
static uint8_t vial_unlock_combo_rows[] = VIAL_UNLOCK_COMBO_ROWS;
static uint8_t vial_unlock_combo_cols[] = VIAL_UNLOCK_COMBO_COLS;
#define VIAL_UNLOCK_NUM_KEYS (sizeof(vial_unlock_combo_rows)/sizeof(vial_unlock_combo_rows[0]))
_Static_assert(VIAL_UNLOCK_NUM_KEYS < 15, "Max 15 unlock keys");
_Static_assert(sizeof(vial_unlock_combo_rows) == sizeof(vial_unlock_combo_cols), "The number of unlock cols and rows should be the same");
#endif
#define VIAL_RAW_EPSIZE 32
#ifndef VIAL_ENCODER_KEYCODE_DELAY
#define VIAL_ENCODER_KEYCODE_DELAY 10
#endif
#ifdef QMK_SETTINGS
#include "qmk_settings.h"
#endif
void vial_handle_cmd(uint8_t *msg, uint8_t length) {
/* All packets must be fixed 32 bytes */
if (length != VIAL_RAW_EPSIZE)
return;
/* msg[0] is 0xFE -- prefix vial magic */
switch (msg[1]) {
/* Get keyboard ID and Vial protocol version */
case vial_get_keyboard_id: {
uint8_t keyboard_uid[] = VIAL_KEYBOARD_UID;
msg[0] = VIAL_PROTOCOL_VERSION & 0xFF;
msg[1] = (VIAL_PROTOCOL_VERSION >> 8) & 0xFF;
msg[2] = (VIAL_PROTOCOL_VERSION >> 16) & 0xFF;
msg[3] = (VIAL_PROTOCOL_VERSION >> 24) & 0xFF;
memcpy(&msg[4], keyboard_uid, 8);
break;
}
/* Retrieve keyboard definition size */
case vial_get_size: {
uint32_t sz = sizeof(keyboard_definition);
msg[0] = sz & 0xFF;
msg[1] = (sz >> 8) & 0xFF;
msg[2] = (sz >> 16) & 0xFF;
msg[3] = (sz >> 24) & 0xFF;
break;
}
/* Retrieve 32-bytes block of the definition, page ID encoded within 2 bytes */
case vial_get_def: {
uint32_t page = msg[2] + (msg[3] << 8);
uint32_t start = page * VIAL_RAW_EPSIZE;
uint32_t end = start + VIAL_RAW_EPSIZE;
if (end < start || start >= sizeof(keyboard_definition))
return;
if (end > sizeof(keyboard_definition))
end = sizeof(keyboard_definition);
memcpy_P(msg, &keyboard_definition[start], end - start);
break;
}
#ifdef VIAL_ENCODERS_ENABLE
case vial_get_encoder: {
uint8_t layer = msg[2];
uint8_t idx = msg[3];
uint16_t keycode = dynamic_keymap_get_encoder(layer, idx, 0);
msg[0] = keycode >> 8;
msg[1] = keycode & 0xFF;
keycode = dynamic_keymap_get_encoder(layer, idx, 1);
msg[2] = keycode >> 8;
msg[3] = keycode & 0xFF;
break;
}
case vial_set_encoder: {
dynamic_keymap_set_encoder(msg[2], msg[3], msg[4], (msg[5] << 8) | msg[6]);
break;
}
#endif
case vial_get_unlock_status: {
/* Reset message to all FF's */
memset(msg, 0xFF, length);
/* First byte of message contains the status: whether board is unlocked */
msg[0] = vial_unlocked;
/* Second byte is whether unlock is in progress */
msg[1] = vial_unlock_in_progress;
#ifndef VIAL_INSECURE
/* Rest of the message are keys in the matrix that should be held to unlock the board */
for (size_t i = 0; i < VIAL_UNLOCK_NUM_KEYS; ++i) {
msg[2 + i * 2] = vial_unlock_combo_rows[i];
msg[2 + i * 2 + 1] = vial_unlock_combo_cols[i];
}
#endif
break;
}
case vial_unlock_start: {
vial_unlock_in_progress = 1;
vial_unlock_counter = VIAL_UNLOCK_COUNTER_MAX;
vial_unlock_timer = timer_read();
break;
}
case vial_unlock_poll: {
#ifndef VIAL_INSECURE
if (vial_unlock_in_progress) {
int holding = 1;
for (size_t i = 0; i < VIAL_UNLOCK_NUM_KEYS; ++i)
holding &= matrix_is_on(vial_unlock_combo_rows[i], vial_unlock_combo_cols[i]);
if (timer_elapsed(vial_unlock_timer) > 100 && holding) {
vial_unlock_timer = timer_read();
vial_unlock_counter--;
if (vial_unlock_counter == 0) {
/* ok unlock succeeded */
vial_unlock_in_progress = 0;
vial_unlocked = 1;
}
} else {
vial_unlock_counter = VIAL_UNLOCK_COUNTER_MAX;
}
}
#endif
msg[0] = vial_unlocked;
msg[1] = vial_unlock_in_progress;
msg[2] = vial_unlock_counter;
break;
}
case vial_lock: {
#ifndef VIAL_INSECURE
vial_unlocked = 0;
#endif
break;
}
case vial_qmk_settings_query: {
uint16_t qsid_greater_than = msg[2] | (msg[3] << 8);
qmk_settings_query(qsid_greater_than, msg, length);
break;
}
case vial_qmk_settings_get: {
uint16_t qsid = msg[2] | (msg[3] << 8);
msg[0] = qmk_settings_get(qsid, &msg[1], length - 1);
break;
}
case vial_qmk_settings_set: {
uint16_t qsid = msg[2] | (msg[3] << 8);
msg[0] = qmk_settings_set(qsid, &msg[4], length - 4);
break;
}
case vial_qmk_settings_reset: {
qmk_settings_reset();
break;
}
}
}
#ifdef VIAL_ENCODERS_ENABLE
uint16_t g_vial_magic_keycode_override;
static void exec_keycode(uint16_t keycode) {
#ifdef VIAL_ENCODER_SIMPLE_TAP
register_code16(keycode);
#if VIAL_ENCODER_KEYCODE_DELAY > 0
wait_ms(VIAL_ENCODER_KEYCODE_DELAY);
#endif
unregister_code16(keycode);
#else
g_vial_magic_keycode_override = keycode;
keyrecord_t record = {.event = (keyevent_t){.key = { VIAL_ENCODER_MATRIX_MAGIC, VIAL_ENCODER_MATRIX_MAGIC }, .pressed = true, .time = (timer_read() | 1)}};
if (keycode <= QK_MODS_MAX)
register_code16(keycode);
else
process_record_quantum_helper(keycode, &record);
#if VIAL_ENCODER_KEYCODE_DELAY > 0
wait_ms(VIAL_ENCODER_KEYCODE_DELAY);
#endif
record.event.time = timer_read() | 1;
record.event.pressed = false;
if (keycode <= QK_MODS_MAX)
unregister_code16(keycode);
else
process_record_quantum_helper(keycode, &record);
#endif
}
bool vial_encoder_update(uint8_t index, bool clockwise) {
uint16_t code;
layer_state_t layers = layer_state | default_layer_state;
/* check top layer first */
for (int8_t i = MAX_LAYER - 1; i >= 0; i--) {
if (layers & (1UL << i)) {
code = dynamic_keymap_get_encoder(i, index, clockwise);
if (code != KC_TRNS) {
exec_keycode(code);
return true;
}
}
}
/* fall back to layer 0 */
code = dynamic_keymap_get_encoder(0, index, clockwise);
exec_keycode(code);
return true;
}
#endif