58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
// Copyright 2018-2022 Nick Brassel (@tzarc)
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <string.h>
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#include "quantum.h"
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#include "transactions.h"
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#include "split_util.h"
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#include "djinn.h"
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kb_runtime_config kb_state;
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uint32_t last_slave_sync_time = 0;
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void kb_state_update(void) {
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if (is_keyboard_master()) {
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// Modify allowed current limits
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usbpd_update();
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// Turn off the LCD if there's been no matrix activity
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kb_state.lcd_power = (last_input_activity_elapsed() < LCD_ACTIVITY_TIMEOUT) ? 1 : 0;
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}
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}
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void kb_state_sync(void) {
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if (!is_transport_connected()) return;
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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 last_kb_state;
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static uint32_t last_sync;
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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))) {
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needs_sync = true;
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memcpy(&last_kb_state, &kb_state, sizeof(kb_runtime_config));
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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_SYNC_STATE_KB, sizeof(kb_runtime_config), &kb_state)) {
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last_sync = timer_read32();
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} else {
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dprint("Failed to perform data transaction\n");
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}
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}
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}
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}
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void kb_state_sync_slave(uint8_t m2s_size, const void* m2s_buffer, uint8_t s2m_size, void* s2m_buffer) {
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if (m2s_size == sizeof(kb_runtime_config)) {
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memcpy(&kb_state, m2s_buffer, sizeof(kb_runtime_config));
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last_slave_sync_time = timer_read32();
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}
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}
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