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李丹

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[问答]

esp32c3 eddystone url用coded phy可以吗?

1) 构建后的输出 build and flash giving output :  
         E (356) EDDYSTONE_DEMO: app_main set prefered default phy failed:  
ESP_ERR_INVALID_STATE
问题在哪里?
2) 把 esp_ble_gap_set_prefered_default_phy( ESP_BLE_GAP_PHY_CODED_PREF_MASK, ESP_BLE_GAP_PHY_1M_PREF_MASK) 这样用法对吗? 有案例我可以参考吗?











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杨平

2023-3-3 14:09:56
#include

#include

#include

#include "freertos/FreeRTOS.h"

#include "freertos/task.h"

#include "esp_system.h"

#include "esp_log.h"

#include "nvs_flash.h"

#include "esp_bt.h"

#include "esp_gap_ble_api.h"

#include "esp_gatts_api.h"

#include "esp_bt_defs.h"               

#include "esp_bt_main.h"

#include "esp_gatt_common_api.h"

#include "sdkconfig.h"

#define LOG_TAG "EDDYSTONE_DEMO"

#define NAME    "test4"

#define ESP_BLE_GAP_PHY_CODED_PREF_MASK        (1 << 2)

#define ESP_BLE_GAP_PHY_1M_PREF_MASK           (1 << 0)

uint8_t addr_coded_eddystone[6] = {0xc0, 0xde, 0x52, 0x00, 0x00, 0x01};

static esp_ble_adv_params_t adv_params_coded_eddystone = {

        .adv_int_min       = 0x30,

        .adv_int_max       = 0x40,

        .adv_type          = ADV_TYPE_NONCONN_IND,        

        .own_addr_type     = BLE_ADDR_TYPE_RANDOM,

        .channel_map       = ADV_CHNL_ALL,

        .adv_filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY,

};

static uint8_t eddystone_data[] = {

/* flags */

0x02, 0x01, 0x06,

/* service type*/

0x03, 0x03, 0xAA, 0xFE,

/* service data */

0x13, 0x16, 0xAA, 0xFE, 0x10, 0xF8, 0x03,'g','o','o','.','g','l','/','a','0','m','n','s','S'

};

static void gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param)

{

    switch (event) {

    case ESP_GAP_BLE_SET_STATIC_RAND_ADDR_EVT:

        ESP_LOGI(LOG_TAG, "ESP_GAP_BLE_SET_STATIC_RAND_ADDR_EVT, status %d", param->set_rand_addr_cmpl.status);

        break;

    case ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT:

        ESP_LOGI(LOG_TAG, "ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT, status %d", param->adv_data_raw_cmpl.status);

        esp_ble_gap_start_advertising(&adv_params_coded_eddystone);

        break;

    case ESP_GAP_BLE_ADV_START_COMPLETE_EVT:

        ESP_LOGI(LOG_TAG, "ESP_GAP_BLE_ADV_START_COMPLETE_EVT, status %d", param->adv_start_cmpl.status);

        break;

    case ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT:

        ESP_LOGI(LOG_TAG, "ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT, status %d", param->adv_stop_cmpl.status);

        break;

    default:

        break;

    }

}

void app_main(void)

{

    esp_err_t ret;

    ret = esp_ble_gap_set_prefered_default_phy( ESP_BLE_GAP_PHY_CODED_PREF_MASK, ESP_BLE_GAP_PHY_1M_PREF_MASK);

    if (ret) {

        ESP_LOGE(LOG_TAG, "%s set prefered default phy failed: %sn", __func__, esp_err_to_name(ret));

        return;

    }

    // Initialize NVS.

    ret = nvs_flash_init();

    if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {

        ESP_ERROR_CHECK(nvs_flash_erase());

        ret = nvs_flash_init();

    }

    ESP_ERROR_CHECK( ret );


/*


*/
  ESP_ERROR_CHECK(esp_bt_controller_mem_release(ESP_BT_MODE_CLASSIC_BT));

    esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT();

    ret = esp_bt_controller_init(&bt_cfg);

    if (ret) {

        ESP_LOGE(LOG_TAG, "%s initialize controller failed: %sn", __func__, esp_err_to_name(ret));

        return;

    }

    ret = esp_bt_controller_enable(ESP_BT_MODE_BLE);

    if (ret) {

        ESP_LOGE(LOG_TAG, "%s enable controller failed: %sn", __func__, esp_err_to_name(ret));

        return;

    }

    ret = esp_bluedroid_init();

    if (ret) {

        ESP_LOGE(LOG_TAG, "%s init bluetooth failed: %sn", __func__, esp_err_to_name(ret));

        return;

    }

    ret = esp_bluedroid_enable();

    if (ret) {

        ESP_LOGE(LOG_TAG, "%s enable bluetooth failed: %sn", __func__, esp_err_to_name(ret));

        return;

    }

    ret = esp_ble_gap_set_device_name(NAME);

    if (ret) {

        ESP_LOGE(LOG_TAG, "%s name device failed: %sn", __func__, esp_err_to_name(ret));

        return;

    }

    ret = esp_ble_gap_register_callback(gap_event_handler);

    if (ret){

        ESP_LOGE(LOG_TAG, "gap register error, error code = %x", ret);

        return;

    }

    vTaskDelay(200 / portTICK_PERIOD_MS);

    ret = esp_ble_gap_set_rand_addr(addr_coded_eddystone);

    if (ret) {

        ESP_LOGE(LOG_TAG, "%s set random address failed: %sn", __func__, esp_err_to_name(ret));

        return;

    }            

    ret = esp_ble_gap_config_adv_data_raw(eddystone_data, sizeof(eddystone_data));

    if (ret) {

        ESP_LOGE(LOG_TAG, "%s config raw adv data failed: %sn", __func__, esp_err_to_name(ret));

        return;

    }               


    return;

}   

构建后的输出 after build & flash,  (see below) :

E (356) EDDYSTONE_DEMO: app_main set prefered default phy failed: ESP_ERR_INVALID_STATE
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