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