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|  | 1 | +/* | 
|  | 2 | +   Simple BLE5 multi advertising example on esp32 C3/S3 | 
|  | 3 | +   only ESP_BLE_GAP_SET_EXT_ADV_PROP_LEGACY_IND is backward compatible | 
|  | 4 | +   and can be scanned with BLE4.2 devices | 
|  | 5 | +
 | 
|  | 6 | +   author: chegewara | 
|  | 7 | +*/ | 
|  | 8 | + | 
|  | 9 | +#include <BLEDevice.h> | 
|  | 10 | +#include <BLEAdvertising.h> | 
|  | 11 | + | 
|  | 12 | +esp_ble_gap_ext_adv_params_t ext_adv_params_1M = { | 
|  | 13 | +    .type = ESP_BLE_GAP_SET_EXT_ADV_PROP_CONNECTABLE, | 
|  | 14 | +    .interval_min = 0x30, | 
|  | 15 | +    .interval_max = 0x30, | 
|  | 16 | +    .channel_map = ADV_CHNL_ALL, | 
|  | 17 | +    .own_addr_type = BLE_ADDR_TYPE_RANDOM, | 
|  | 18 | +    .filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY, | 
|  | 19 | +    .primary_phy = ESP_BLE_GAP_PHY_CODED, | 
|  | 20 | +    .max_skip = 0, | 
|  | 21 | +    .secondary_phy = ESP_BLE_GAP_PHY_1M, | 
|  | 22 | +    .sid = 0, | 
|  | 23 | +    .scan_req_notif = false, | 
|  | 24 | +}; | 
|  | 25 | + | 
|  | 26 | +esp_ble_gap_ext_adv_params_t ext_adv_params_2M = { | 
|  | 27 | +    .type = ESP_BLE_GAP_SET_EXT_ADV_PROP_SCANNABLE, | 
|  | 28 | +    .interval_min = 0x40, | 
|  | 29 | +    .interval_max = 0x40, | 
|  | 30 | +    .channel_map = ADV_CHNL_ALL, | 
|  | 31 | +    .own_addr_type = BLE_ADDR_TYPE_RANDOM, | 
|  | 32 | +    .filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY, | 
|  | 33 | +    .primary_phy = ESP_BLE_GAP_PHY_1M, | 
|  | 34 | +    .max_skip = 0, | 
|  | 35 | +    .secondary_phy = ESP_BLE_GAP_PHY_2M, | 
|  | 36 | +    .sid = 1, | 
|  | 37 | +    .scan_req_notif = false, | 
|  | 38 | +}; | 
|  | 39 | + | 
|  | 40 | +esp_ble_gap_ext_adv_params_t legacy_adv_params = { | 
|  | 41 | +    .type = ESP_BLE_GAP_SET_EXT_ADV_PROP_LEGACY_IND, | 
|  | 42 | +    .interval_min = 0x45, | 
|  | 43 | +    .interval_max = 0x45, | 
|  | 44 | +    .channel_map = ADV_CHNL_ALL, | 
|  | 45 | +    .own_addr_type = BLE_ADDR_TYPE_RANDOM, | 
|  | 46 | +    .filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY, | 
|  | 47 | +    .primary_phy = ESP_BLE_GAP_PHY_1M, | 
|  | 48 | +    .max_skip = 0, | 
|  | 49 | +    .secondary_phy = ESP_BLE_GAP_PHY_1M, | 
|  | 50 | +    .sid = 2, | 
|  | 51 | +    .scan_req_notif = false, | 
|  | 52 | +}; | 
|  | 53 | + | 
|  | 54 | +esp_ble_gap_ext_adv_params_t ext_adv_params_coded = { | 
|  | 55 | +    .type = ESP_BLE_GAP_SET_EXT_ADV_PROP_SCANNABLE, | 
|  | 56 | +    .interval_min = 0x50, | 
|  | 57 | +    .interval_max = 0x50, | 
|  | 58 | +    .channel_map = ADV_CHNL_ALL, | 
|  | 59 | +    .own_addr_type = BLE_ADDR_TYPE_RANDOM, | 
|  | 60 | +    .filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY, | 
|  | 61 | +    .primary_phy = ESP_BLE_GAP_PHY_1M, | 
|  | 62 | +    .max_skip = 0, | 
|  | 63 | +    .secondary_phy = ESP_BLE_GAP_PHY_CODED, | 
|  | 64 | +    .sid = 3, | 
|  | 65 | +    .scan_req_notif = false, | 
|  | 66 | +}; | 
|  | 67 | + | 
|  | 68 | +static uint8_t raw_adv_data_1m[] = { | 
|  | 69 | +        0x02, 0x01, 0x06, | 
|  | 70 | +        0x02, 0x0a, 0xeb, | 
|  | 71 | +        0x12, 0x09, 'E', 'S', 'P', '_', 'M', 'U', 'L', 'T', 'I', '_', 'A', | 
|  | 72 | +        'D', 'V', '_', '1', 'M', 0X0 | 
|  | 73 | +}; | 
|  | 74 | + | 
|  | 75 | +static uint8_t raw_scan_rsp_data_2m[] = { | 
|  | 76 | +        0x02, 0x01, 0x06, | 
|  | 77 | +        0x02, 0x0a, 0xeb, | 
|  | 78 | +        0x12, 0x09, 'E', 'S', 'P', '_', 'M', 'U', 'L', 'T', 'I', '_', 'A', | 
|  | 79 | +        'D', 'V', '_', '2', 'M', 0X0 | 
|  | 80 | +}; | 
|  | 81 | + | 
|  | 82 | +static uint8_t legacy_adv_data[] = { | 
|  | 83 | +        0x02, 0x01, 0x06, | 
|  | 84 | +        0x02, 0x0a, 0xeb, | 
|  | 85 | +        0x15, 0x09, 'E', 'S', 'P', '_', 'M', 'U', 'L', 'T', 'I', '_', 'A', | 
|  | 86 | +        'D', 'V', '_', 'C', 'O', 'D', 'E', 'D', 0X0 | 
|  | 87 | +}; | 
|  | 88 | + | 
|  | 89 | +static uint8_t legacy_scan_rsp_data[] = { | 
|  | 90 | +        0x02, 0x01, 0x06, | 
|  | 91 | +        0x02, 0x0a, 0xeb, | 
|  | 92 | +        0x16, 0x09, 'E', 'S', 'P', '_', 'M', 'U', 'L', 'T', 'I', '_', 'A', | 
|  | 93 | +        'D', 'V', '_', 'L', 'E', 'G', 'A', 'C', 'Y', 0X0 | 
|  | 94 | +}; | 
|  | 95 | + | 
|  | 96 | +static uint8_t raw_scan_rsp_data_coded[] = { | 
|  | 97 | +        0x37, 0x09, 'V', 'E', 'R', 'Y', '_', 'L', 'O', 'N', 'G', '_', 'D', 'E', 'V', 'I', 'C', 'E', '_', 'N', 'A', 'M', 'E', '_', | 
|  | 98 | +        'S', 'E', 'N', 'T', '_', 'U', 'S', 'I', 'N', 'G', '_', 'E', 'X', 'T', 'E', 'N', 'D', 'E', 'D', '_', 'A', 'D', 'V', 'E', 'R', 'T', 'I', 'S', 'I', 'N', 'G', 0X0 | 
|  | 99 | +}; | 
|  | 100 | + | 
|  | 101 | + | 
|  | 102 | +uint8_t addr_1m[6] = {0xc0, 0xde, 0x52, 0x00, 0x00, 0x01}; | 
|  | 103 | +uint8_t addr_2m[6] = {0xc0, 0xde, 0x52, 0x00, 0x00, 0x02}; | 
|  | 104 | +uint8_t addr_legacy[6] = {0xc0, 0xde, 0x52, 0x00, 0x00, 0x03}; | 
|  | 105 | +uint8_t addr_coded[6] = {0xc0, 0xde, 0x52, 0x00, 0x00, 0x04}; | 
|  | 106 | + | 
|  | 107 | +BLEMultiAdvertising advert(4); // max number of advertisement data  | 
|  | 108 | + | 
|  | 109 | +void setup() { | 
|  | 110 | +  Serial.begin(115200); | 
|  | 111 | +  Serial.println("Multi-Advertising..."); | 
|  | 112 | + | 
|  | 113 | +  BLEDevice::init(""); | 
|  | 114 | + | 
|  | 115 | +  advert.setAdvertisingParams(0, &ext_adv_params_1M); | 
|  | 116 | +  advert.setAdvertisingData(0, sizeof(raw_adv_data_1m), &raw_adv_data_1m[0]); | 
|  | 117 | +  advert.setInstanceAddress(0, addr_1m); | 
|  | 118 | +  advert.setDuration(0); | 
|  | 119 | + | 
|  | 120 | +  advert.setAdvertisingParams(1, &ext_adv_params_2M); | 
|  | 121 | +  advert.setScanRspData(1, sizeof(raw_scan_rsp_data_2m), &raw_scan_rsp_data_2m[0]); | 
|  | 122 | +  advert.setInstanceAddress(1, addr_2m); | 
|  | 123 | +  advert.setDuration(1); | 
|  | 124 | + | 
|  | 125 | +  advert.setAdvertisingParams(2, &legacy_adv_params); | 
|  | 126 | +  advert.setAdvertisingData(2, sizeof(legacy_adv_data), &legacy_adv_data[0]); | 
|  | 127 | +  advert.setScanRspData(2, sizeof(legacy_scan_rsp_data), &legacy_scan_rsp_data[0]); | 
|  | 128 | +  advert.setInstanceAddress(2, addr_legacy); | 
|  | 129 | +  advert.setDuration(2); | 
|  | 130 | + | 
|  | 131 | +  advert.setAdvertisingParams(3, &ext_adv_params_coded); | 
|  | 132 | +  advert.setDuration(3); | 
|  | 133 | +  advert.setScanRspData(3, sizeof(raw_scan_rsp_data_coded), &raw_scan_rsp_data_coded[0]); | 
|  | 134 | +  advert.setInstanceAddress(3, addr_coded); | 
|  | 135 | + | 
|  | 136 | +  delay(1000); | 
|  | 137 | +  advert.start(4, 0); | 
|  | 138 | +} | 
|  | 139 | + | 
|  | 140 | +void loop() { | 
|  | 141 | +  delay(2000); | 
|  | 142 | +} | 
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