blob: 9c76c1bd2fee965d528b1f6cfab4a7ab9881dd0a [file] [log] [blame]
/** @file
* @brief GATT Device Information Service
*/
/*
* Copyright (c) 2019 Demant
* Copyright (c) 2018 Nordic Semiconductor ASA
* Copyright (c) 2016 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/types.h>
#include <stddef.h>
#include <string.h>
#include <errno.h>
#include <zephyr.h>
#include <init.h>
#include <settings/settings.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/hci.h>
#include <bluetooth/conn.h>
#include <bluetooth/uuid.h>
#include <bluetooth/gatt.h>
#define BT_DBG_ENABLED IS_ENABLED(CONFIG_BT_DEBUG_SERVICE)
#define LOG_MODULE_NAME bt_dis
#include "common/log.h"
#if CONFIG_BT_DIS_PNP
struct dis_pnp {
uint8_t pnp_vid_src;
uint16_t pnp_vid;
uint16_t pnp_pid;
uint16_t pnp_ver;
} __packed;
static struct dis_pnp dis_pnp_id = {
.pnp_vid_src = CONFIG_BT_DIS_PNP_VID_SRC,
.pnp_vid = CONFIG_BT_DIS_PNP_VID,
.pnp_pid = CONFIG_BT_DIS_PNP_PID,
.pnp_ver = CONFIG_BT_DIS_PNP_VER,
};
#endif
#if defined(CONFIG_BT_DIS_SETTINGS)
static uint8_t dis_model[CONFIG_BT_DIS_STR_MAX] = CONFIG_BT_DIS_MODEL;
static uint8_t dis_manuf[CONFIG_BT_DIS_STR_MAX] = CONFIG_BT_DIS_MANUF;
#if defined(CONFIG_BT_DIS_SERIAL_NUMBER)
static uint8_t dis_serial_number[CONFIG_BT_DIS_STR_MAX] =
CONFIG_BT_DIS_SERIAL_NUMBER_STR;
#endif
#if defined(CONFIG_BT_DIS_FW_REV)
static uint8_t dis_fw_rev[CONFIG_BT_DIS_STR_MAX] =
CONFIG_BT_DIS_FW_REV_STR;
#endif
#if defined(CONFIG_BT_DIS_HW_REV)
static uint8_t dis_hw_rev[CONFIG_BT_DIS_STR_MAX] =
CONFIG_BT_DIS_HW_REV_STR;
#endif
#if defined(CONFIG_BT_DIS_SW_REV)
static uint8_t dis_sw_rev[CONFIG_BT_DIS_STR_MAX] =
CONFIG_BT_DIS_SW_REV_STR;
#endif
#define BT_DIS_MODEL_REF dis_model
#define BT_DIS_MANUF_REF dis_manuf
#define BT_DIS_SERIAL_NUMBER_STR_REF dis_serial_number
#define BT_DIS_FW_REV_STR_REF dis_fw_rev
#define BT_DIS_HW_REV_STR_REF dis_hw_rev
#define BT_DIS_SW_REV_STR_REF dis_sw_rev
#else /* CONFIG_BT_DIS_SETTINGS */
#define BT_DIS_MODEL_REF CONFIG_BT_DIS_MODEL
#define BT_DIS_MANUF_REF CONFIG_BT_DIS_MANUF
#define BT_DIS_SERIAL_NUMBER_STR_REF CONFIG_BT_DIS_SERIAL_NUMBER_STR
#define BT_DIS_FW_REV_STR_REF CONFIG_BT_DIS_FW_REV_STR
#define BT_DIS_HW_REV_STR_REF CONFIG_BT_DIS_HW_REV_STR
#define BT_DIS_SW_REV_STR_REF CONFIG_BT_DIS_SW_REV_STR
#endif /* CONFIG_BT_DIS_SETTINGS */
static ssize_t read_str(struct bt_conn *conn,
const struct bt_gatt_attr *attr, void *buf,
uint16_t len, uint16_t offset)
{
return bt_gatt_attr_read(conn, attr, buf, len, offset, attr->user_data,
strlen(attr->user_data));
}
#if CONFIG_BT_DIS_PNP
static ssize_t read_pnp_id(struct bt_conn *conn,
const struct bt_gatt_attr *attr, void *buf,
uint16_t len, uint16_t offset)
{
return bt_gatt_attr_read(conn, attr, buf, len, offset, &dis_pnp_id,
sizeof(dis_pnp_id));
}
#endif
/* Device Information Service Declaration */
BT_GATT_SERVICE_DEFINE(dis_svc,
BT_GATT_PRIMARY_SERVICE(BT_UUID_DIS),
BT_GATT_CHARACTERISTIC(BT_UUID_DIS_MODEL_NUMBER,
BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
read_str, NULL, BT_DIS_MODEL_REF),
BT_GATT_CHARACTERISTIC(BT_UUID_DIS_MANUFACTURER_NAME,
BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
read_str, NULL, BT_DIS_MANUF_REF),
#if CONFIG_BT_DIS_PNP
BT_GATT_CHARACTERISTIC(BT_UUID_DIS_PNP_ID,
BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
read_pnp_id, NULL, &dis_pnp_id),
#endif
#if defined(CONFIG_BT_DIS_SERIAL_NUMBER)
BT_GATT_CHARACTERISTIC(BT_UUID_DIS_SERIAL_NUMBER,
BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
read_str, NULL,
BT_DIS_SERIAL_NUMBER_STR_REF),
#endif
#if defined(CONFIG_BT_DIS_FW_REV)
BT_GATT_CHARACTERISTIC(BT_UUID_DIS_FIRMWARE_REVISION,
BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
read_str, NULL, BT_DIS_FW_REV_STR_REF),
#endif
#if defined(CONFIG_BT_DIS_HW_REV)
BT_GATT_CHARACTERISTIC(BT_UUID_DIS_HARDWARE_REVISION,
BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
read_str, NULL, BT_DIS_HW_REV_STR_REF),
#endif
#if defined(CONFIG_BT_DIS_SW_REV)
BT_GATT_CHARACTERISTIC(BT_UUID_DIS_SOFTWARE_REVISION,
BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
read_str, NULL, BT_DIS_SW_REV_STR_REF),
#endif
);
#if defined(CONFIG_BT_DIS_SETTINGS)
static int dis_set(const char *name, size_t len_rd,
settings_read_cb read_cb, void *store)
{
ssize_t len;
int nlen;
const char *next;
nlen = settings_name_next(name, &next);
if (!strncmp(name, "manuf", nlen)) {
len = read_cb(store, &dis_manuf, sizeof(dis_manuf) - 1);
if (len < 0) {
BT_ERR("Failed to read manufacturer from storage"
" (err %zd)", len);
} else {
dis_manuf[len] = '\0';
BT_DBG("Manufacturer set to %s", dis_manuf);
}
return 0;
}
if (!strncmp(name, "model", nlen)) {
len = read_cb(store, &dis_model, sizeof(dis_model) - 1);
if (len < 0) {
BT_ERR("Failed to read model from storage"
" (err %zd)", len);
} else {
dis_model[len] = '\0';
BT_DBG("Model set to %s", dis_model);
}
return 0;
}
#if defined(CONFIG_BT_DIS_SERIAL_NUMBER)
if (!strncmp(name, "serial", nlen)) {
len = read_cb(store, &dis_serial_number,
sizeof(dis_serial_number) - 1);
if (len < 0) {
BT_ERR("Failed to read serial number from storage"
" (err %zd)", len);
} else {
dis_serial_number[len] = '\0';
BT_DBG("Serial number set to %s", dis_serial_number);
}
return 0;
}
#endif
#if defined(CONFIG_BT_DIS_FW_REV)
if (!strncmp(name, "fw", nlen)) {
len = read_cb(store, &dis_fw_rev, sizeof(dis_fw_rev) - 1);
if (len < 0) {
BT_ERR("Failed to read firmware revision from storage"
" (err %zd)", len);
} else {
dis_fw_rev[len] = '\0';
BT_DBG("Firmware revision set to %s", dis_fw_rev);
}
return 0;
}
#endif
#if defined(CONFIG_BT_DIS_HW_REV)
if (!strncmp(name, "hw", nlen)) {
len = read_cb(store, &dis_hw_rev, sizeof(dis_hw_rev) - 1);
if (len < 0) {
BT_ERR("Failed to read hardware revision from storage"
" (err %zd)", len);
} else {
dis_hw_rev[len] = '\0';
BT_DBG("Hardware revision set to %s", dis_hw_rev);
}
return 0;
}
#endif
#if defined(CONFIG_BT_DIS_SW_REV)
if (!strncmp(name, "sw", nlen)) {
len = read_cb(store, &dis_sw_rev, sizeof(dis_sw_rev) - 1);
if (len < 0) {
BT_ERR("Failed to read software revision from storage"
" (err %zd)", len);
} else {
dis_sw_rev[len] = '\0';
BT_DBG("Software revision set to %s", dis_sw_rev);
}
return 0;
}
#endif
return 0;
}
SETTINGS_STATIC_HANDLER_DEFINE(bt_dis, "bt/dis", NULL, dis_set, NULL, NULL);
#endif /* CONFIG_BT_DIS_SETTINGS*/