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// Copyright 2018-2023 Nick Brassel (@tzarc)
// SPDX-License-Identifier: GPL-2.0-or-later
#include <string.h>
#include "quantum.h"
#include "transactions.h"
#include "split_util.h"
#include "djinn.h"
kb_runtime_config kb_state;
uint32_t last_slave_sync_time = 0;
void kb_state_update(void) {
if (is_keyboard_master()) {
// Modify allowed current limits
usbpd_update();
}
}
void kb_state_sync(void) {
if (!is_transport_connected()) return;
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 last_kb_state;
static uint32_t last_sync;
bool needs_sync = false;
// Check if the state values are different
if (memcmp(&kb_state, &last_kb_state, sizeof(kb_runtime_config))) {
needs_sync = true;
memcpy(&last_kb_state, &kb_state, sizeof(kb_runtime_config));
}
// 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_SYNC_STATE_KB, sizeof(kb_runtime_config), &kb_state)) {
last_sync = timer_read32();
} else {
dprint("Failed to perform data transaction\n");
}
}
}
}
void kb_state_sync_slave(uint8_t m2s_size, const void* m2s_buffer, uint8_t s2m_size, void* s2m_buffer) {
if (m2s_size == sizeof(kb_runtime_config)) {
memcpy(&kb_state, m2s_buffer, sizeof(kb_runtime_config));
last_slave_sync_time = timer_read32();
}
}
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