mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
2cfcae8d41
Doc: Made bluetooth configurable after wifi provisioning is completed See merge request espressif/esp-idf!18014
277 lines
8.5 KiB
C
277 lines
8.5 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2019-2021 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include <string.h>
|
|
#include <esp_log.h>
|
|
#include <esp_err.h>
|
|
#include "esp_bt.h"
|
|
|
|
#include <protocomm.h>
|
|
#include <protocomm_ble.h>
|
|
|
|
#include "wifi_provisioning/scheme_ble.h"
|
|
#include "wifi_provisioning_priv.h"
|
|
|
|
static const char *TAG = "wifi_prov_scheme_ble";
|
|
|
|
extern const wifi_prov_scheme_t wifi_prov_scheme_ble;
|
|
|
|
static uint8_t *custom_service_uuid;
|
|
|
|
static uint8_t *custom_manufacturer_data;
|
|
static size_t custom_manufacturer_data_len;
|
|
|
|
static esp_err_t prov_start(protocomm_t *pc, void *config)
|
|
{
|
|
if (!pc) {
|
|
ESP_LOGE(TAG, "Protocomm handle cannot be null");
|
|
return ESP_ERR_INVALID_ARG;
|
|
}
|
|
|
|
if (!config) {
|
|
ESP_LOGE(TAG, "Cannot start with null configuration");
|
|
return ESP_ERR_INVALID_ARG;
|
|
}
|
|
|
|
protocomm_ble_config_t *ble_config = (protocomm_ble_config_t *) config;
|
|
|
|
#if defined(CONFIG_WIFI_PROV_BLE_BONDING)
|
|
ble_config->ble_bonding = 1;
|
|
#endif
|
|
|
|
#if defined(CONFIG_WIFI_PROV_BLE_SEC_CONN) || defined(CONFIG_BT_BLUEDROID_ENABLED)
|
|
ble_config->ble_sm_sc = 1;
|
|
#endif
|
|
|
|
/* Start protocomm as BLE service */
|
|
if (protocomm_ble_start(pc, ble_config) != ESP_OK) {
|
|
ESP_LOGE(TAG, "Failed to start protocomm BLE service");
|
|
return ESP_FAIL;
|
|
}
|
|
return ESP_OK;
|
|
}
|
|
|
|
esp_err_t wifi_prov_scheme_ble_set_service_uuid(uint8_t *uuid128)
|
|
{
|
|
if (!uuid128) {
|
|
return ESP_ERR_INVALID_ARG;
|
|
}
|
|
custom_service_uuid = uuid128;
|
|
return ESP_OK;
|
|
}
|
|
|
|
esp_err_t wifi_prov_scheme_ble_set_mfg_data(uint8_t *mfg_data, ssize_t mfg_data_len)
|
|
{
|
|
if (!mfg_data || !mfg_data_len) {
|
|
return ESP_ERR_INVALID_ARG;
|
|
}
|
|
|
|
custom_manufacturer_data = (uint8_t *) malloc(mfg_data_len);
|
|
if (custom_manufacturer_data == NULL) {
|
|
ESP_LOGE(TAG, "Error allocating memory for mfg_data");
|
|
return ESP_ERR_NO_MEM;
|
|
}
|
|
|
|
custom_manufacturer_data_len = mfg_data_len;
|
|
memcpy(custom_manufacturer_data, mfg_data, mfg_data_len);
|
|
return ESP_OK;
|
|
}
|
|
|
|
static void *new_config(void)
|
|
{
|
|
protocomm_ble_config_t *ble_config = calloc(1, sizeof(protocomm_ble_config_t));
|
|
if (!ble_config) {
|
|
ESP_LOGE(TAG, "Error allocating memory for new configuration");
|
|
return NULL;
|
|
}
|
|
|
|
/* The default provisioning service UUID */
|
|
const uint8_t service_uuid[16] = {
|
|
/* LSB <---------------------------------------
|
|
* ---------------------------------------> MSB */
|
|
0x07, 0xed, 0x9b, 0x2d, 0x0f, 0x06, 0x7c, 0x87,
|
|
0x9b, 0x43, 0x43, 0x6b, 0x4d, 0x24, 0x75, 0x17,
|
|
};
|
|
|
|
memcpy(ble_config->service_uuid, service_uuid, sizeof(ble_config->service_uuid));
|
|
return ble_config;
|
|
}
|
|
|
|
static void delete_config(void *config)
|
|
{
|
|
if (!config) {
|
|
ESP_LOGE(TAG, "Cannot delete null configuration");
|
|
return;
|
|
}
|
|
|
|
protocomm_ble_config_t *ble_config = (protocomm_ble_config_t *) config;
|
|
for (unsigned int i = 0; i < ble_config->nu_lookup_count; i++) {
|
|
free((void *)ble_config->nu_lookup[i].name);
|
|
}
|
|
free(ble_config->nu_lookup);
|
|
free(ble_config);
|
|
}
|
|
|
|
static esp_err_t set_config_service(void *config, const char *service_name, const char *service_key)
|
|
{
|
|
if (!config) {
|
|
ESP_LOGE(TAG, "Cannot set null configuration");
|
|
return ESP_ERR_INVALID_ARG;
|
|
}
|
|
|
|
if (!service_name) {
|
|
ESP_LOGE(TAG, "Service name cannot be NULL");
|
|
return ESP_ERR_INVALID_ARG;
|
|
}
|
|
|
|
protocomm_ble_config_t *ble_config = (protocomm_ble_config_t *) config;
|
|
strlcpy(ble_config->device_name, service_name, sizeof(ble_config->device_name));
|
|
|
|
/* If a custom service UUID has been provided, override the default one */
|
|
if (custom_service_uuid) {
|
|
memcpy(ble_config->service_uuid, custom_service_uuid, sizeof(ble_config->service_uuid));
|
|
}
|
|
/* Set manufacturer data if it is provided by app */
|
|
if (custom_manufacturer_data) {
|
|
size_t mfg_data_len = custom_manufacturer_data_len;
|
|
/* Manufacturer Data Length + 2 Byte header + BLE Device name + 2 Byte
|
|
* header <= 31 Bytes */
|
|
if (mfg_data_len > (MAX_BLE_MANUFACTURER_DATA_LEN - sizeof(ble_config->device_name) - 2)) {
|
|
ESP_LOGE(TAG, "Manufacturer data length is more than the max allowed size; expect truncated mfg_data ");
|
|
/* XXX Does it even make any sense to set truncated mfg_data ? The
|
|
* only reason to not return failure from here is provisioning
|
|
* should continue as it is with error prints for mfg_data length */
|
|
mfg_data_len = MAX_BLE_MANUFACTURER_DATA_LEN - sizeof(ble_config->device_name) - 2;
|
|
}
|
|
|
|
ble_config->manufacturer_data = custom_manufacturer_data;
|
|
ble_config->manufacturer_data_len = mfg_data_len;
|
|
} else {
|
|
ble_config->manufacturer_data = NULL;
|
|
ble_config->manufacturer_data_len = 0;
|
|
}
|
|
|
|
return ESP_OK;
|
|
}
|
|
|
|
static esp_err_t set_config_endpoint(void *config, const char *endpoint_name, uint16_t uuid)
|
|
{
|
|
if (!config) {
|
|
ESP_LOGE(TAG, "Cannot set null configuration");
|
|
return ESP_ERR_INVALID_ARG;
|
|
}
|
|
|
|
if (!endpoint_name) {
|
|
ESP_LOGE(TAG, "EP name cannot be null");
|
|
return ESP_ERR_INVALID_ARG;
|
|
}
|
|
|
|
protocomm_ble_config_t *ble_config = (protocomm_ble_config_t *) config;
|
|
|
|
char *copy_ep_name = strdup(endpoint_name);
|
|
if (!copy_ep_name) {
|
|
ESP_LOGE(TAG, "Error allocating memory for EP name");
|
|
return ESP_ERR_NO_MEM;
|
|
}
|
|
|
|
protocomm_ble_name_uuid_t *lookup_table = (
|
|
realloc(ble_config->nu_lookup, (ble_config->nu_lookup_count + 1) * sizeof(protocomm_ble_name_uuid_t)));
|
|
if (!lookup_table) {
|
|
ESP_LOGE(TAG, "Error allocating memory for EP-UUID lookup table");
|
|
return ESP_ERR_NO_MEM;
|
|
}
|
|
|
|
lookup_table[ble_config->nu_lookup_count].name = copy_ep_name;
|
|
lookup_table[ble_config->nu_lookup_count].uuid = uuid;
|
|
ble_config->nu_lookup = lookup_table;
|
|
ble_config->nu_lookup_count += 1;
|
|
return ESP_OK;
|
|
}
|
|
|
|
/* Used when both BT and BLE are not needed by application */
|
|
void wifi_prov_scheme_ble_event_cb_free_btdm(void *user_data, wifi_prov_cb_event_t event, void *event_data)
|
|
{
|
|
esp_err_t err;
|
|
switch (event) {
|
|
case WIFI_PROV_INIT:
|
|
/* Release BT memory, as we need only BLE */
|
|
err = esp_bt_mem_release(ESP_BT_MODE_CLASSIC_BT);
|
|
if (err != ESP_OK) {
|
|
ESP_LOGE(TAG, "bt_mem_release of classic BT failed %d", err);
|
|
} else {
|
|
ESP_LOGI(TAG, "BT memory released");
|
|
}
|
|
break;
|
|
|
|
case WIFI_PROV_DEINIT:
|
|
#ifndef CONFIG_WIFI_PROV_KEEP_BLE_ON_AFTER_PROV
|
|
/* Release memory used by BLE and Bluedroid host stack */
|
|
err = esp_bt_mem_release(ESP_BT_MODE_BTDM);
|
|
if (err != ESP_OK) {
|
|
ESP_LOGE(TAG, "bt_mem_release of BTDM failed %d", err);
|
|
} else {
|
|
ESP_LOGI(TAG, "BTDM memory released");
|
|
}
|
|
#endif
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Used when BT is not needed by application */
|
|
void wifi_prov_scheme_ble_event_cb_free_bt(void *user_data, wifi_prov_cb_event_t event, void *event_data)
|
|
{
|
|
esp_err_t err;
|
|
switch (event) {
|
|
case WIFI_PROV_INIT:
|
|
/* Release BT memory, as we need only BLE */
|
|
err = esp_bt_mem_release(ESP_BT_MODE_CLASSIC_BT);
|
|
if (err != ESP_OK) {
|
|
ESP_LOGE(TAG, "bt_mem_release of classic BT failed %d", err);
|
|
} else {
|
|
ESP_LOGI(TAG, "BT memory released");
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Used when BLE is not needed by application */
|
|
void wifi_prov_scheme_ble_event_cb_free_ble(void *user_data, wifi_prov_cb_event_t event, void *event_data)
|
|
{
|
|
esp_err_t err;
|
|
switch (event) {
|
|
case WIFI_PROV_DEINIT:
|
|
#ifndef CONFIG_WIFI_PROV_KEEP_BLE_ON_AFTER_PROV
|
|
/* Release memory used by BLE stack */
|
|
err = esp_bt_mem_release(ESP_BT_MODE_BLE);
|
|
if (err != ESP_OK) {
|
|
ESP_LOGE(TAG, "bt_mem_release of BLE failed %d", err);
|
|
} else {
|
|
ESP_LOGI(TAG, "BLE memory released");
|
|
}
|
|
#endif
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
const wifi_prov_scheme_t wifi_prov_scheme_ble = {
|
|
.prov_start = prov_start,
|
|
.prov_stop = protocomm_ble_stop,
|
|
.new_config = new_config,
|
|
.delete_config = delete_config,
|
|
.set_config_service = set_config_service,
|
|
.set_config_endpoint = set_config_endpoint,
|
|
.wifi_mode = WIFI_MODE_STA
|
|
};
|