Scripts

Simple scripts that some people might find useful.

Get blob input/output layers

blob_inputs_ouputs.py prints .blobs input/output and layers; their names, datatypes, shapes and channel orders.

py .\blob_inputs_ouputs.py
Inputs
Name: data, Type: DataType.U8F, Shape: [300, 300, 3, 1] (StorageOrder.NCHW)
Outputs
Name: detection_out, Type: DataType.FP16, Shape: [7, 100, 1, 1] (StorageOrder.NCHW)

Get MxId

get_mxid.py gets the MxId (unique ID) of the (first) connected device.

OAK bandwidth test

oak_bandwidth_test.py sends large buffers to/from the device to calculate uplink and downlink bandwidth. Results will vary a bit even at the same setup, and will especially vary at different network configurations.

USB3 (5gbps, direct link):
Downlink 2273.6 mbps
Uplink 1070.6 mbps

POE (1gbps, direct link):
Downlink 805.8 mbps
Uplink 211.7 mbps

OAK latency test

oak_latency_test.py calculates the roundabout latency (via loopback XLinkIn -> XLinkOut). Latency for the first frame will be about 50ms for both USB/POE devices, as device/pipeline is still booting up.

# USB3 - 5gbps, direct link:
Average latency 2.00 ms, Std: 4.2

# POE - 1gbps, direct link:
Average latency 5.2 ms, Std: 6.2

# POE - 1gpbs, through Netgear PoE switch:
Average latency 3.5 ms, Std: 3.5

PoE test script

poe_test.py script connects to the device and tests PoE link speed, duplex mode, and boot mode.

py .\poe_latency.py
Connecting to  169.254.1.222 ...
mxid: 18443010617DC51200 (OK)
speed: 1000 (OK)
full duplex: 1 (OK)
boot mode: 3 (OK)