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Added BTHome advertising field "packet id" for deduplication #211

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Added BTHome advertising field "packet id" for deduplication #211

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2 changes: 1 addition & 1 deletion code/nrf-connect/samples/ble/Kconfig
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Expand Up @@ -39,7 +39,7 @@ config PRST_BLE_ENCODING_SERVICE_DATA_LEN
Size of the service data buffer.
default 20 if PRST_BLE_ENCODING_BPARASITE_V2
default 18 if PRST_BLE_ENCODING_BTHOME_V1
default 19 if PRST_BLE_ENCODING_BTHOME_V2
default 21 if PRST_BLE_ENCODING_BTHOME_V2


config PRST_BLE_HAS_USER_DEFINED_RANDOM_STATIC_ADDR
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5 changes: 5 additions & 0 deletions code/nrf-connect/samples/ble/src/encoding.c
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Expand Up @@ -132,6 +132,11 @@ int prst_ble_encode_service_data(const prst_sensors_t* sensors,
uint8_t batt_percentage_val = 100 * sensors->batt.percentage + 0.5f;
out[18] = batt_percentage_val;

// Misc packet-id
static uint8_t run_counter;
out[19] = 0x00;
out[20] = run_counter++ & 0xFF;

#endif // Encoding protocols

LOG_HEXDUMP_DBG(out, out_len, "Encoded BLE adv: ");
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