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* Move foundational BLE code for split peripherals to a dedicated file to avoid tons of conditionals and awkward code.xmkb
Peter Johanson
3 years ago
committed by
Pete Johanson
3 changed files with 134 additions and 55 deletions
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@@ -0,0 +1,109 @@
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/*
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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/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 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 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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} |
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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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.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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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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