239 lines
6.7 KiB
C
239 lines
6.7 KiB
C
/** @file
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* @brief GATT Device Information Service
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*/
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/*
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* Copyright (c) 2019 Demant
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* Copyright (c) 2018 Nordic Semiconductor ASA
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* Copyright (c) 2016 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/types.h>
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#include <stddef.h>
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#include <string.h>
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#include <errno.h>
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#include <zephyr.h>
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#include <init.h>
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#include <settings/settings.h>
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#include <bluetooth/bluetooth.h>
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#include <bluetooth/hci.h>
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#include <bluetooth/conn.h>
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#include <bluetooth/uuid.h>
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#include <bluetooth/gatt.h>
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#define BT_DBG_ENABLED IS_ENABLED(CONFIG_BT_DEBUG_SERVICE)
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#define LOG_MODULE_NAME bt_dis
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#include "common/log.h"
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#if CONFIG_BT_GATT_DIS_PNP
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struct dis_pnp {
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u8_t pnp_vid_src;
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u16_t pnp_vid;
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u16_t pnp_pid;
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u16_t pnp_ver;
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} __packed;
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static struct dis_pnp dis_pnp_id = {
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.pnp_vid_src = CONFIG_BT_GATT_DIS_PNP_VID_SRC,
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.pnp_vid = CONFIG_BT_GATT_DIS_PNP_VID,
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.pnp_pid = CONFIG_BT_GATT_DIS_PNP_PID,
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.pnp_ver = CONFIG_BT_GATT_DIS_PNP_VER,
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};
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#endif
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#if defined(CONFIG_BT_GATT_DIS_SETTINGS)
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static u8_t dis_model[CONFIG_BT_GATT_DIS_STR_MAX] = CONFIG_BT_GATT_DIS_MODEL;
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static u8_t dis_manuf[CONFIG_BT_GATT_DIS_STR_MAX] = CONFIG_BT_GATT_DIS_MANUF;
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#if defined(CONFIG_BT_GATT_DIS_SERIAL_NUMBER)
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static u8_t dis_serial_number[CONFIG_BT_GATT_DIS_STR_MAX] =
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CONFIG_BT_GATT_DIS_SERIAL_NUMBER_STR;
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#endif
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#if defined(CONFIG_BT_GATT_DIS_FW_REV)
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static u8_t dis_fw_rev[CONFIG_BT_GATT_DIS_STR_MAX] =
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CONFIG_BT_GATT_DIS_FW_REV_STR;
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#endif
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#if defined(CONFIG_BT_GATT_DIS_HW_REV)
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static u8_t dis_hw_rev[CONFIG_BT_GATT_DIS_STR_MAX] =
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CONFIG_BT_GATT_DIS_HW_REV_STR;
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#endif
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#if defined(CONFIG_BT_GATT_DIS_SW_REV)
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static u8_t dis_sw_rev[CONFIG_BT_GATT_DIS_STR_MAX] =
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CONFIG_BT_GATT_DIS_SW_REV_STR;
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#endif
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#define BT_GATT_DIS_MODEL_REF dis_model
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#define BT_GATT_DIS_MANUF_REF dis_manuf
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#define BT_GATT_DIS_SERIAL_NUMBER_STR_REF dis_serial_number
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#define BT_GATT_DIS_FW_REV_STR_REF dis_fw_rev
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#define BT_GATT_DIS_HW_REV_STR_REF dis_hw_rev
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#define BT_GATT_DIS_SW_REV_STR_REF dis_sw_rev
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#else /* CONFIG_BT_GATT_DIS_SETTINGS */
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#define BT_GATT_DIS_MODEL_REF CONFIG_BT_GATT_DIS_MODEL
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#define BT_GATT_DIS_MANUF_REF CONFIG_BT_GATT_DIS_MANUF
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#define BT_GATT_DIS_SERIAL_NUMBER_STR_REF CONFIG_BT_GATT_DIS_SERIAL_NUMBER_STR
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#define BT_GATT_DIS_FW_REV_STR_REF CONFIG_BT_GATT_DIS_FW_REV_STR
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#define BT_GATT_DIS_HW_REV_STR_REF CONFIG_BT_GATT_DIS_HW_REV_STR
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#define BT_GATT_DIS_SW_REV_STR_REF CONFIG_BT_GATT_DIS_SW_REV_STR
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#endif /* CONFIG_BT_GATT_DIS_SETTINGS */
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static ssize_t read_str(struct bt_conn *conn,
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const struct bt_gatt_attr *attr, void *buf,
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u16_t len, u16_t offset)
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{
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return bt_gatt_attr_read(conn, attr, buf, len, offset, attr->user_data,
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strlen(attr->user_data));
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}
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#if CONFIG_BT_GATT_DIS_PNP
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static ssize_t read_pnp_id(struct bt_conn *conn,
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const struct bt_gatt_attr *attr, void *buf,
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u16_t len, u16_t offset)
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{
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return bt_gatt_attr_read(conn, attr, buf, len, offset, &dis_pnp_id,
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sizeof(dis_pnp_id));
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}
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#endif
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/* Device Information Service Declaration */
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BT_GATT_SERVICE_DEFINE(dis_svc,
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BT_GATT_PRIMARY_SERVICE(BT_UUID_DIS),
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BT_GATT_CHARACTERISTIC(BT_UUID_DIS_MODEL_NUMBER,
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BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
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read_str, NULL, BT_GATT_DIS_MODEL_REF),
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BT_GATT_CHARACTERISTIC(BT_UUID_DIS_MANUFACTURER_NAME,
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BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
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read_str, NULL, BT_GATT_DIS_MANUF_REF),
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#if CONFIG_BT_GATT_DIS_PNP
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BT_GATT_CHARACTERISTIC(BT_UUID_DIS_PNP_ID,
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BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
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read_pnp_id, NULL, &dis_pnp_id),
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#endif
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#if defined(CONFIG_BT_GATT_DIS_SERIAL_NUMBER)
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BT_GATT_CHARACTERISTIC(BT_UUID_DIS_SERIAL_NUMBER,
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BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
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read_str, NULL,
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BT_GATT_DIS_SERIAL_NUMBER_STR_REF),
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#endif
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#if defined(CONFIG_BT_GATT_DIS_FW_REV)
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BT_GATT_CHARACTERISTIC(BT_UUID_DIS_FIRMWARE_REVISION,
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BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
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read_str, NULL, BT_GATT_DIS_FW_REV_STR_REF),
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#endif
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#if defined(CONFIG_BT_GATT_DIS_HW_REV)
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BT_GATT_CHARACTERISTIC(BT_UUID_DIS_HARDWARE_REVISION,
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BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
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read_str, NULL, BT_GATT_DIS_HW_REV_STR_REF),
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#endif
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#if defined(CONFIG_BT_GATT_DIS_SW_REV)
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BT_GATT_CHARACTERISTIC(BT_UUID_DIS_SOFTWARE_REVISION,
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BT_GATT_CHRC_READ, BT_GATT_PERM_READ,
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read_str, NULL, BT_GATT_DIS_SW_REV_STR_REF),
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#endif
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);
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#if defined(CONFIG_BT_SETTINGS) && defined(CONFIG_BT_GATT_DIS_SETTINGS)
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static int dis_set(const char *name, size_t len_rd,
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settings_read_cb read_cb, void *store)
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{
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int len, nlen;
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const char *next;
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nlen = settings_name_next(name, &next);
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if (!strncmp(name, "manuf", nlen)) {
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len = read_cb(store, &dis_manuf, sizeof(dis_manuf) - 1);
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if (len < 0) {
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BT_ERR("Failed to read manufacturer from storage"
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" (err %d)", len);
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} else {
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dis_manuf[len] = '\0';
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BT_DBG("Manufacturer set to %s", dis_manuf);
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}
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return 0;
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}
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if (!strncmp(name, "model", nlen)) {
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len = read_cb(store, &dis_model, sizeof(dis_model) - 1);
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if (len < 0) {
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BT_ERR("Failed to read model from storage"
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" (err %d)", len);
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} else {
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dis_model[len] = '\0';
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BT_DBG("Model set to %s", dis_model);
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}
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return 0;
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}
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#if defined(CONFIG_BT_GATT_DIS_SERIAL_NUMBER)
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if (!strncmp(name, "serial", nlen)) {
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len = read_cb(store, &dis_serial_number,
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sizeof(dis_serial_number) - 1);
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if (len < 0) {
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BT_ERR("Failed to read serial number from storage"
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" (err %d)", len);
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} else {
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dis_serial_number[len] = '\0';
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BT_DBG("Serial number set to %s", dis_serial_number);
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}
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return 0;
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}
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#endif
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#if defined(CONFIG_BT_GATT_DIS_FW_REV)
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if (!strncmp(name, "fw", nlen)) {
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len = read_cb(store, &dis_fw_rev, sizeof(dis_fw_rev) - 1);
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if (len < 0) {
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BT_ERR("Failed to read firmware revision from storage"
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" (err %d)", len);
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} else {
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dis_fw_rev[len] = '\0';
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BT_DBG("Firmware revision set to %s", dis_fw_rev);
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}
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return 0;
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}
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#endif
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#if defined(CONFIG_BT_GATT_DIS_HW_REV)
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if (!strncmp(name, "hw", nlen)) {
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len = read_cb(store, &dis_hw_rev, sizeof(dis_hw_rev) - 1);
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if (len < 0) {
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BT_ERR("Failed to read hardware revision from storage"
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" (err %d)", len);
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} else {
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dis_hw_rev[len] = '\0';
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BT_DBG("Hardware revision set to %s", dis_hw_rev);
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}
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return 0;
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}
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#endif
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#if defined(CONFIG_BT_GATT_DIS_SW_REV)
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if (!strncmp(name, "sw", nlen)) {
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len = read_cb(store, &dis_sw_rev, sizeof(dis_sw_rev) - 1);
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if (len < 0) {
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BT_ERR("Failed to read software revision from storage"
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" (err %d)", len);
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} else {
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dis_sw_rev[len] = '\0';
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BT_DBG("Software revision set to %s", dis_sw_rev);
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}
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return 0;
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}
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#endif
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return 0;
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}
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SETTINGS_STATIC_HANDLER_DEFINE(bt_dis, "bt/dis", NULL, dis_set, NULL, NULL);
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#endif /* CONFIG_BT_GATT_DIS_SETTINGS && CONFIG_BT_SETTINGS*/
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