Thank you very much for your immediate response. I have changed the CONFIG file as you said , but still I have received the same error
(Set Tx Power err: -5 reason 0x00) message and the Tx power doesn't change .Bellow is my entire code:
/* main.c - Application main entry point */
/*
* Copyright (c) 2015-2016 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/types.h>
#include <stddef.h>
#include <sys/printk.h>
#include <sys/util.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/hci.h>
#include <sys/byteorder.h>
#include <bluetooth/hci_vs.h>
//#include <bluetooth/conn.h>
//#include <bluetooth/uuid.h>
//#include <bluetooth/gatt.h>
//#include <bluetooth/services/hrs.h>
#define DEVICE_NAME CONFIG_BT_DEVICE_NAME
#define DEVICE_NAME_LEN (sizeof(DEVICE_NAME) - 1)
static uint16_t default_conn_handle;
static const int8_t txp[8] = {4, 0, -3, -8,
-15, -18, -23, -30};
/*
* Set Advertisement data. Based on the Eddystone specification:
* github.com/.../protocol-specification.md
* github.com/.../eddystone-url
*/
#ifndef IBEACON_RSSI
#define IBEACON_RSSI 0xc8
#endif
static const struct bt_data ad[] = { // bt_data ibeacon_ad[] = {
BT_DATA_BYTES(BT_DATA_FLAGS, BT_LE_AD_NO_BREDR),
BT_DATA_BYTES(BT_DATA_MANUFACTURER_DATA,
0x00, 0x4c, /* Apple */
0x02, 0x15, /* iBeacon */
0x18, 0xee, 0x15, 0x16, /* UUID[15..12] */
0x00, 0x01, /* UUID[11..10] */
0x4b, 0xec, /* UUID[9..8] */
0xad, 0x96, /* UUID[7..6] */
0xbc, 0xb9, 0x6d, 0x16, 0x6e, 0x97, /* UUID[5..0] */
0x00, 0x10, /* Major */
0x00, 0xff, /* Minor */
IBEACON_RSSI), /* Calibrated RSSI @ 1m */
};
/*
static const struct bt_data ad[] = {
BT_DATA_BYTES(BT_DATA_FLAGS, BT_LE_AD_GENERAL),
BT_DATA_BYTES(BT_DATA_UUID16_ALL, 0xaa,0xfe),
BT_DATA_BYTES(BT_DATA_SVC_DATA16,
0xaa, 0xfe, // Eddystone UUID //
0x10, // Eddystone-URL frame type //
0x00, // Calibrated Tx power at 0m //
0x00, // URL Scheme Prefix http://www. //
'z', 'e', 'p', 'h', 'y', 'r',
'p', 'r', 'o', 'j', 'e', 'c', 't',
0x08), // .org //
// BT_DATA_BYTES(BT_DATA_GAP_APPEARANCE,"Nasser")
};
*/
/* Set Scan Response data */
static const struct bt_data sd[] = {
BT_DATA(BT_DATA_NAME_COMPLETE, DEVICE_NAME, DEVICE_NAME_LEN),
};
static void bt_ready(int err)
{
char addr_s[BT_ADDR_LE_STR_LEN];
bt_addr_le_t addr = {0};
printk("Display Addres Content == %d\n", addr);
printk("Display Addres Content of err in bt-ready %d\n", err);
size_t count = 1;
if (err) {
printk("Bluetooth init failed (err %d)\n", err);
return;
}
printk("Bluetooth initialized By Mahvis\n");
/* Start advertising */
err = bt_le_adv_start(BT_LE_ADV_NCONN_IDENTITY, ad, ARRAY_SIZE(ad), // BT_LE_ADV_NCONN
sd, ARRAY_SIZE(sd));
printk("Arrey Size %s\n", ARRAY_SIZE(sd));
printk("ad = %d\n",ad );
if (err) {
printk("Advertising failed to start (err %d)\n", err);
return;
}
/* For connectable advertising you would use
* bt_le_oob_get_local(). For non-connectable non-identity
* advertising an non-resolvable private address is used;
* there is no API to retrieve that.
*/
bt_id_get(&addr, &count);
bt_addr_le_to_str(&addr, addr_s, sizeof(addr_s));
printk("Beacon started, advertising as %s\n", addr_s);
}
static void set_tx_power(uint8_t handle_type, uint16_t handle, int8_t tx_pwr_lvl)
{
struct bt_hci_cp_vs_write_tx_power_level *cp;
struct bt_hci_rp_vs_write_tx_power_level *rp;
struct net_buf *buf, *rsp = NULL;
int err;
buf = bt_hci_cmd_create(BT_HCI_OP_VS_WRITE_TX_POWER_LEVEL,
sizeof(*cp));
if (!buf) {
printk("Unable to allocate command buffer\n");
return;
}
cp = net_buf_add(buf, sizeof(*cp));
cp->handle = sys_cpu_to_le16(handle);
cp->handle_type = handle_type;
cp->tx_power_level = tx_pwr_lvl;
err = bt_hci_cmd_send_sync(BT_HCI_OP_VS_WRITE_TX_POWER_LEVEL,
buf, &rsp);
if (err) {
uint8_t reason = rsp ?
((struct bt_hci_rp_vs_write_tx_power_level *)
rsp->data)->status : 0;
printk("Set Tx power err: %d reason 0x%02x\n", err, reason);
return;
}
rp = (void *)rsp->data;
printk("Actual Tx Power: %d\n", rp->selected_tx_power);
net_buf_unref(rsp);
}
void main(void)
{
int err;
printk("Starting Beacon Demo By Mahvis\n");
/* Initialize the Bluetooth Subsystem */
err = bt_enable(bt_ready);
if (err) {
printk("Bluetooth init failed (err %d)\n", err);
}
set_tx_power(BT_HCI_VS_LL_HANDLE_TYPE_ADV,
0,-30 );
k_sleep(K_SECONDS(5));
}
