esp-idf/components/bt/common/hci_log/bt_hci_log.c

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/*
* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "hci_log/bt_hci_log.h"
#include "bt_common.h"
#include "osi/mutex.h"
#include "esp_attr.h"
#if (BT_HCI_LOG_INCLUDED == TRUE)
#define BT_HCI_LOG_PRINT_TAG (1)
#define BT_HCI_LOG_DATA_BUF_SIZE (1024 * HCI_LOG_DATA_BUFFER_SIZE)
#define BT_HCI_LOG_ADV_BUF_SIZE (1024 * HCI_LOG_ADV_BUFFER_SIZE)
typedef struct {
osi_mutex_t mutex_lock;
uint64_t log_record_in;
uint64_t log_record_out;
uint64_t buf_size;
uint8_t *p_hci_log_buffer;
uint8_t index;
bool overflow;
} bt_hci_log_t;
static const char s_hex_to_char_mapping[16] = {
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'a', 'b', 'c', 'd', 'e', 'f'
};
bt_hci_log_t g_bt_hci_log_data_ctl = {0};
bt_hci_log_t g_bt_hci_log_adv_ctl = {0};
esp_err_t bt_hci_log_init(void)
{
uint8_t *g_bt_hci_log_data_buffer = NULL;
uint8_t *g_bt_hci_log_adv_buffer = NULL;
g_bt_hci_log_data_buffer = malloc(BT_HCI_LOG_DATA_BUF_SIZE);
if (!g_bt_hci_log_data_buffer) {
return ESP_ERR_NO_MEM;
}
g_bt_hci_log_adv_buffer = malloc(BT_HCI_LOG_ADV_BUF_SIZE);
if (!g_bt_hci_log_adv_buffer) {
if (g_bt_hci_log_data_buffer) {
free(g_bt_hci_log_data_buffer);
g_bt_hci_log_data_buffer = NULL;
}
return ESP_ERR_NO_MEM;
}
memset(g_bt_hci_log_data_buffer, 0, BT_HCI_LOG_DATA_BUF_SIZE);
memset(g_bt_hci_log_adv_buffer, 0, BT_HCI_LOG_ADV_BUF_SIZE);
memset(&g_bt_hci_log_data_ctl, 0, sizeof(bt_hci_log_t));
g_bt_hci_log_data_ctl.buf_size = BT_HCI_LOG_DATA_BUF_SIZE;
g_bt_hci_log_data_ctl.p_hci_log_buffer = g_bt_hci_log_data_buffer;
memset(&g_bt_hci_log_adv_ctl, 0, sizeof(bt_hci_log_t));
g_bt_hci_log_adv_ctl.buf_size = BT_HCI_LOG_ADV_BUF_SIZE;
g_bt_hci_log_adv_ctl.p_hci_log_buffer = g_bt_hci_log_adv_buffer;
osi_mutex_new((osi_mutex_t *)&g_bt_hci_log_data_ctl.mutex_lock);
osi_mutex_new((osi_mutex_t *)&g_bt_hci_log_adv_ctl.mutex_lock);
return ESP_OK;
}
esp_err_t bt_hci_log_deinit(void)
{
if (g_bt_hci_log_data_ctl.p_hci_log_buffer) {
free(g_bt_hci_log_data_ctl.p_hci_log_buffer);
g_bt_hci_log_data_ctl.p_hci_log_buffer = NULL;
}
if (g_bt_hci_log_adv_ctl.p_hci_log_buffer) {
free(g_bt_hci_log_adv_ctl.p_hci_log_buffer);
g_bt_hci_log_adv_ctl.p_hci_log_buffer = NULL;
}
osi_mutex_free((osi_mutex_t *)&g_bt_hci_log_data_ctl.mutex_lock);
osi_mutex_free((osi_mutex_t *)&g_bt_hci_log_adv_ctl.mutex_lock);
memset(&g_bt_hci_log_data_ctl, 0, sizeof(bt_hci_log_t));
memset(&g_bt_hci_log_adv_ctl, 0, sizeof(bt_hci_log_t));
return ESP_OK;
}
#if (BT_HCI_LOG_PRINT_TAG)
static char IRAM_ATTR *bt_data_type_to_str(uint8_t data_type)
{
char *tag = NULL;
switch (data_type)
{
case HCI_LOG_DATA_TYPE_COMMAND:
// hci cmd data
tag = "CMD";
break;
case HCI_LOG_DATA_TYPE_H2C_ACL:
// host to controller hci acl data
tag = "HAL";
break;
case HCI_LOG_DATA_TYPE_SCO:
// hci sco data
tag = "SCO";
break;
case HCI_LOG_DATA_TYPE_EVENT:
// hci event
tag = "EVT";
break;
case HCI_LOG_DATA_TYPE_ADV:
// controller adv report data
tag = "ADV";
break;
case HCI_LOG_DATA_TYPE_C2H_ACL:
// controller to host hci acl data
tag = "CAL";
break;
case HCI_LOG_DATA_TYPE_SELF_DEFINE:
// self-defining data
tag = "ST";
break;
default:
// unknown data type
tag = "UK";
break;
}
return tag;
}
#endif
void bt_hci_log_record_hex(bt_hci_log_t *p_hci_log_ctl, uint8_t *hex, uint8_t hex_len)
{
uint8_t hci_log_char;
uint8_t *g_hci_log_buffer;
g_hci_log_buffer = p_hci_log_ctl->p_hci_log_buffer;
while (hex_len--)
{
hci_log_char = ((*hex) >> 4);
g_hci_log_buffer[p_hci_log_ctl->log_record_in] = s_hex_to_char_mapping [hci_log_char];
if (++ p_hci_log_ctl->log_record_in >= p_hci_log_ctl->buf_size) {
p_hci_log_ctl->log_record_in = 0;
}
if (p_hci_log_ctl->log_record_in == p_hci_log_ctl->log_record_out) {
p_hci_log_ctl->overflow = true;
}
hci_log_char = ((*hex) & 0x0f);
g_hci_log_buffer[p_hci_log_ctl->log_record_in] = s_hex_to_char_mapping [hci_log_char];
if (++p_hci_log_ctl->log_record_in >= p_hci_log_ctl->buf_size) {
p_hci_log_ctl->log_record_in = 0;
}
if (p_hci_log_ctl->log_record_in == p_hci_log_ctl->log_record_out) {
p_hci_log_ctl->overflow = true;
}
g_hci_log_buffer[p_hci_log_ctl->log_record_in] = ' ';
if (++ p_hci_log_ctl->log_record_in >= p_hci_log_ctl->buf_size) {
p_hci_log_ctl->log_record_in = 0;
}
if (p_hci_log_ctl->log_record_in == p_hci_log_ctl->log_record_out) {
p_hci_log_ctl->overflow = true;
}
++ hex;
}
}
void bt_hci_log_record_string(bt_hci_log_t *p_hci_log_ctl, char *string)
{
uint8_t *g_hci_log_buffer;
g_hci_log_buffer = p_hci_log_ctl->p_hci_log_buffer;
while (*string != '\0') {
g_hci_log_buffer[p_hci_log_ctl->log_record_in] = *string;
++string;
if (++p_hci_log_ctl->log_record_in >= p_hci_log_ctl->buf_size) {
p_hci_log_ctl->log_record_in = 0;
}
if (p_hci_log_ctl->log_record_in == p_hci_log_ctl->log_record_out) {
p_hci_log_ctl->overflow = true;
}
}
}
esp_err_t IRAM_ATTR bt_hci_log_record_data(bt_hci_log_t *p_hci_log_ctl, char *str, uint8_t data_type, uint8_t *data, uint8_t data_len)
{
osi_mutex_t mutex_lock;
uint8_t *g_hci_log_buffer;
if (!p_hci_log_ctl->p_hci_log_buffer) {
return ESP_FAIL;
}
g_hci_log_buffer = p_hci_log_ctl->p_hci_log_buffer;
if (!g_hci_log_buffer) {
return ESP_FAIL;
}
mutex_lock = p_hci_log_ctl->mutex_lock;
osi_mutex_lock(&mutex_lock, OSI_MUTEX_MAX_TIMEOUT);
#if (1)
// Add hci data index
bt_hci_log_record_hex(p_hci_log_ctl, &p_hci_log_ctl->index, 1);
#endif
#if (BT_HCI_LOG_PRINT_TAG)
char *tag = NULL;
tag = bt_data_type_to_str(data_type);
if (tag) {
bt_hci_log_record_string(p_hci_log_ctl, tag);
g_hci_log_buffer[p_hci_log_ctl->log_record_in] = ':';
if (++p_hci_log_ctl->log_record_in >= p_hci_log_ctl->buf_size) {
p_hci_log_ctl->log_record_in = 0;
}
if (p_hci_log_ctl->log_record_in == p_hci_log_ctl->log_record_out) {
p_hci_log_ctl->overflow = true;
}
}
#endif
if (str) {
bt_hci_log_record_string(p_hci_log_ctl, str);
}
bt_hci_log_record_hex(p_hci_log_ctl, data, data_len);
g_hci_log_buffer[p_hci_log_ctl->log_record_in] = '\n';
if (++p_hci_log_ctl->log_record_in >= p_hci_log_ctl->buf_size) {
p_hci_log_ctl->log_record_in = 0;
}
if (p_hci_log_ctl->log_record_in == p_hci_log_ctl->log_record_out) {
p_hci_log_ctl->overflow = true;
}
p_hci_log_ctl->index ++;
osi_mutex_unlock(&mutex_lock);
return ESP_OK;
}
void bt_hci_log_data_show(bt_hci_log_t *p_hci_log_ctl)
{
volatile uint64_t log_record_in,log_record_out;
uint8_t *g_hci_log_buffer;
if (!p_hci_log_ctl->p_hci_log_buffer) {
return;
}
osi_mutex_t mutex_lock = p_hci_log_ctl->mutex_lock;
osi_mutex_lock(&mutex_lock, OSI_MUTEX_MAX_TIMEOUT);
log_record_in = p_hci_log_ctl->log_record_in;
log_record_out = p_hci_log_ctl->log_record_out;
g_hci_log_buffer = p_hci_log_ctl->p_hci_log_buffer;
if (p_hci_log_ctl->overflow) {
log_record_out = log_record_in;
printf("%c",g_hci_log_buffer[log_record_out]);
if (++log_record_out >= p_hci_log_ctl->buf_size) {
log_record_out = 0;
}
}
while (log_record_in != log_record_out)
{
printf("%c",g_hci_log_buffer[log_record_out]);
if (++log_record_out >= p_hci_log_ctl->buf_size) {
log_record_out = 0;
}
}
p_hci_log_ctl->log_record_out = log_record_out;
p_hci_log_ctl->overflow = false;
osi_mutex_unlock(&mutex_lock);
}
esp_err_t IRAM_ATTR bt_hci_log_record_hci_data(uint8_t data_type, uint8_t *data, uint8_t data_len)
{
return bt_hci_log_record_data(&g_bt_hci_log_data_ctl, NULL, data_type, data, data_len);
}
esp_err_t IRAM_ATTR bt_hci_log_record_custom_data(char *string, uint8_t *data, uint8_t data_len)
{
return bt_hci_log_record_data(&g_bt_hci_log_data_ctl, string, HCI_LOG_DATA_TYPE_SELF_DEFINE, data, data_len);
}
esp_err_t IRAM_ATTR bt_hci_log_record_hci_adv(uint8_t data_type, uint8_t *data, uint8_t data_len)
{
return bt_hci_log_record_data(&g_bt_hci_log_adv_ctl, NULL, data_type, data, data_len);
}
void bt_hci_log_hci_data_show(void)
{
bt_hci_log_data_show(&g_bt_hci_log_data_ctl);
}
void bt_hci_log_hci_adv_show(void)
{
bt_hci_log_data_show(&g_bt_hci_log_adv_ctl);
}
#endif // (BT_HCI_LOG_INCLUDED == TRUE)