129 lines
3.4 KiB
C
129 lines
3.4 KiB
C
/*
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* Copyright (c) 2022 The ZMK Contributors
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <device.h>
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#include <init.h>
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#include <errno.h>
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#include <math.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <settings/settings.h>
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#include <bluetooth/bluetooth.h>
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#include <bluetooth/conn.h>
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#include <bluetooth/hci.h>
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#include <bluetooth/uuid.h>
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#include <bluetooth/gatt.h>
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#include <bluetooth/hci_err.h>
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#if IS_ENABLED(CONFIG_SETTINGS)
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#include <settings/settings.h>
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#endif
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#include <logging/log.h>
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LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
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#include <zmk/event_manager.h>
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#include <zmk/events/split_peripheral_status_changed.h>
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#include <zmk/ble.h>
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#include <zmk/split/bluetooth/uuid.h>
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static const struct bt_data zmk_ble_ad[] = {
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BT_DATA_BYTES(BT_DATA_FLAGS, (BT_LE_AD_GENERAL | BT_LE_AD_NO_BREDR)),
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BT_DATA_BYTES(BT_DATA_UUID16_SOME, 0x0f, 0x18 /* Battery Service */
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),
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BT_DATA_BYTES(BT_DATA_UUID128_ALL, ZMK_SPLIT_BT_SERVICE_UUID)};
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static bool is_connected = false;
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static int start_advertising() {
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return bt_le_adv_start(BT_LE_ADV_CONN, zmk_ble_ad, ARRAY_SIZE(zmk_ble_ad), NULL, 0);
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};
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static void connected(struct bt_conn *conn, uint8_t err) {
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is_connected = (err == 0);
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ZMK_EVENT_RAISE(new_zmk_split_peripheral_status_changed(
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(struct zmk_split_peripheral_status_changed){.connected = is_connected}));
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}
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static void disconnected(struct bt_conn *conn, uint8_t reason) {
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char addr[BT_ADDR_LE_STR_LEN];
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bt_addr_le_to_str(bt_conn_get_dst(conn), addr, sizeof(addr));
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LOG_DBG("Disconnected from %s (reason 0x%02x)", log_strdup(addr), reason);
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is_connected = false;
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ZMK_EVENT_RAISE(new_zmk_split_peripheral_status_changed(
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(struct zmk_split_peripheral_status_changed){.connected = is_connected}));
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}
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static void security_changed(struct bt_conn *conn, bt_security_t level, enum bt_security_err err) {
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char addr[BT_ADDR_LE_STR_LEN];
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bt_addr_le_to_str(bt_conn_get_dst(conn), addr, sizeof(addr));
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if (!err) {
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LOG_DBG("Security changed: %s level %u", log_strdup(addr), level);
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} else {
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LOG_ERR("Security failed: %s level %u err %d", log_strdup(addr), level, err);
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}
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}
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static void le_param_updated(struct bt_conn *conn, uint16_t interval, uint16_t latency,
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uint16_t timeout) {
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char addr[BT_ADDR_LE_STR_LEN];
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bt_addr_le_to_str(bt_conn_get_dst(conn), addr, sizeof(addr));
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LOG_DBG("%s: interval %d latency %d timeout %d", log_strdup(addr), interval, latency, timeout);
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}
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static struct bt_conn_cb conn_callbacks = {
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.connected = connected,
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.disconnected = disconnected,
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.security_changed = security_changed,
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.le_param_updated = le_param_updated,
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};
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bool zmk_split_bt_peripheral_is_connected() { return is_connected; }
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static int zmk_peripheral_ble_init(const struct device *_arg) {
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int err = bt_enable(NULL);
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if (err) {
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LOG_ERR("BLUETOOTH FAILED (%d)", err);
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return err;
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}
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#if IS_ENABLED(CONFIG_SETTINGS)
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settings_subsys_init();
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settings_load_subtree("ble");
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settings_load_subtree("bt");
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#endif
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#if IS_ENABLED(CONFIG_ZMK_BLE_CLEAR_BONDS_ON_START)
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LOG_WRN("Clearing all existing BLE bond information from the keyboard");
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bt_unpair(BT_ID_DEFAULT, NULL);
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#endif
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bt_conn_cb_register(&conn_callbacks);
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start_advertising();
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return 0;
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}
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SYS_INIT(zmk_peripheral_ble_init, APPLICATION, CONFIG_ZMK_BLE_INIT_PRIORITY);
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