blob: 8f5a71a5ba21e71be3d9c03e91c19ad5cbd99560 [file] [log] [blame]
/* main.c - Application main entry point */
/*
* Copyright (c) 2019 Aaron Tsui <aaron.tsui@outlook.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/types.h>
#include <stddef.h>
#include <string.h>
#include <errno.h>
#include <zephyr/sys/printk.h>
#include <zephyr/sys/byteorder.h>
#include <zephyr/kernel.h>
#include <zephyr/bluetooth/bluetooth.h>
#include <zephyr/bluetooth/hci.h>
#include <zephyr/bluetooth/conn.h>
#include <zephyr/bluetooth/uuid.h>
#include <zephyr/bluetooth/gatt.h>
#include <zephyr/bluetooth/services/bas.h>
#include "hts.h"
static const struct bt_data ad[] = {
BT_DATA_BYTES(BT_DATA_FLAGS, (BT_LE_AD_GENERAL | BT_LE_AD_NO_BREDR)),
BT_DATA_BYTES(BT_DATA_UUID16_ALL,
BT_UUID_16_ENCODE(BT_UUID_HTS_VAL),
BT_UUID_16_ENCODE(BT_UUID_DIS_VAL),
BT_UUID_16_ENCODE(BT_UUID_BAS_VAL)),
};
static void connected(struct bt_conn *conn, uint8_t err)
{
if (err) {
printk("Connection failed (err 0x%02x)\n", err);
} else {
printk("Connected\n");
}
}
static void disconnected(struct bt_conn *conn, uint8_t reason)
{
printk("Disconnected (reason 0x%02x)\n", reason);
}
BT_CONN_CB_DEFINE(conn_callbacks) = {
.connected = connected,
.disconnected = disconnected,
};
static void bt_ready(void)
{
int err;
printk("Bluetooth initialized\n");
hts_init();
err = bt_le_adv_start(BT_LE_ADV_CONN_NAME, ad, ARRAY_SIZE(ad), NULL, 0);
if (err) {
printk("Advertising failed to start (err %d)\n", err);
return;
}
printk("Advertising successfully started\n");
}
static void auth_cancel(struct bt_conn *conn)
{
char addr[BT_ADDR_LE_STR_LEN];
bt_addr_le_to_str(bt_conn_get_dst(conn), addr, sizeof(addr));
printk("Pairing cancelled: %s\n", addr);
}
static struct bt_conn_auth_cb auth_cb_display = {
.cancel = auth_cancel,
};
static void bas_notify(void)
{
uint8_t battery_level = bt_bas_get_battery_level();
battery_level--;
if (!battery_level) {
battery_level = 100U;
}
bt_bas_set_battery_level(battery_level);
}
void main(void)
{
int err;
err = bt_enable(NULL);
if (err) {
printk("Bluetooth init failed (err %d)\n", err);
return;
}
bt_ready();
bt_conn_auth_cb_register(&auth_cb_display);
/* Implement indicate. At the moment there is no suitable way
* of starting delayed work so we do it here
*/
while (1) {
k_sleep(K_SECONDS(1));
/* Temperature measurements simulation */
hts_indicate();
/* Battery level simulation */
bas_notify();
}
}