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/* Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
*
* 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/>.
*/
#ifdef SPLIT_TRANSACTION_IDS_KB
# include "tractyl_manuform.h"
# include "transactions.h"
# include <string.h>
# include "drivers/sensors/pmw3360.h"
kb_runtime_config_t kb_state;
kb_slave_data_t kb_slave;
void slave_state_sync(uint8_t initiator2target_buffer_size, const void* initiator2target_buffer, uint8_t target2initiator_buffer_size, void* target2initiator_buffer) {
if (target2initiator_buffer_size == sizeof(kb_slave)) {
memcpy(target2initiator_buffer, &kb_slave, sizeof(kb_slave));
if (kb_slave.mouse_x > 127) {
kb_slave.mouse_x -= 127;
} else if (kb_slave.mouse_x < -127) {
kb_slave.mouse_x += 127;
} else {
kb_slave.mouse_x = 0;
}
if (kb_slave.mouse_y > 127) {
kb_slave.mouse_y -= 127;
} else if (kb_slave.mouse_y < -127) {
kb_slave.mouse_y += 127;
} else {
kb_slave.mouse_y = 0;
}
}
}
void pointer_state_sync(uint8_t initiator2target_buffer_size, const void* initiator2target_buffer, uint8_t target2initiator_buffer_size, void* target2initiator_buffer) {
if (initiator2target_buffer_size == sizeof(kb_state)) {
memcpy(&kb_state, initiator2target_buffer, sizeof(kb_state));
}
}
void keyboard_post_init_kb(void) {
// Register keyboard state sync split transaction
transaction_register_rpc(RPC_ID_STATE_SYNC, pointer_state_sync);
transaction_register_rpc(RPC_ID_SLAVE_STATE, slave_state_sync);
keyboard_post_init_user();
}
void kb_state_update(void) {
# ifdef POINTING_DEVICE_ENABLE
if (is_keyboard_master() && !is_keyboard_left()) {
static uint16_t cpi = 0;
if (cpi != kb_state.device_cpi) {
cpi = kb_state.device_cpi;
pmw_set_cpi(cpi);
}
}
# endif
}
void kb_post_state_update(void) {
# ifdef POINTING_DEVICE_ENABLE
if (is_keyboard_master() && is_keyboard_left()) {
report_mouse_t temp_report = pointing_device_get_report();
temp_report.x = kb_slave.mouse_x;
temp_report.y = kb_slave.mouse_y;
pointing_device_set_report(temp_report);
}
# endif
}
void kb_state_sync(void) {
if (is_keyboard_master()) {
// Keep track of the last state, so that we can tell if we need to propagate to slave
static kb_runtime_config_t last_kb_state;
static uint32_t last_sync = 0;
static uint32_t mouse_sync = 0;
bool needs_sync = false;
// Check if the state values are different
if (memcmp(&kb_state, &last_kb_state, sizeof(kb_runtime_config_t))) {
needs_sync = true;
memcpy(&last_kb_state, &kb_state, sizeof(kb_runtime_config_t));
}
// Send to slave every 500ms regardless of state change
if (timer_elapsed32(last_sync) > 500) {
needs_sync = true;
}
// Perform the sync if requested
if (needs_sync) {
if (transaction_rpc_send(RPC_ID_STATE_SYNC, sizeof(kb_runtime_config_t), &kb_state)) {
last_sync = timer_read32();
}
}
if (is_keyboard_left()) {
if (timer_elapsed32(mouse_sync) >= 5) {
// always sync slave data, since it may contain device reports.
if (transaction_rpc_recv(RPC_ID_SLAVE_STATE, sizeof(kb_slave_data_t), &kb_slave)) {
if (kb_slave.mouse_x >= -127 && kb_slave.mouse_x <= 127 && kb_slave.mouse_y >= -127 && kb_slave.mouse_y <= 127) {
mouse_sync = timer_read32();
}
}
}
}
}
}
void housekeeping_task_kb(void) {
// Update kb_state so we can send to slave
kb_state_update();
// Data sync from master to slave
kb_state_sync();
kb_post_state_update();
}
#endif
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