| | 1 | {{{#!comment |
| | 2 | [[Include(wiki:802.11/beta-note)]] |
| | 3 | }}} |
| | 4 | |
| | 5 | [[TracNav(802.11/TOC)]] |
| | 6 | |
| | 7 | = 802.11 Reference Design: TX/RX Log Example = |
| | 8 | |
| | 9 | This example of the Experiments Framework uses two WARP v3 nodes, one configured as an AP, the other as a STA. The first example, logger_two_node_dual_flow.py will record a log file of LTG traffic flows between the AP and STA. Then the next two examples will process that recorded log file to print interesting information about the traffic flows. This example demonstrates how to: |
| | 10 | * Control two WARP v3 nodes from one wlan_exp script |
| | 11 | * Use the wlan_exp framework Local Traffic Generator (LTG) to create traffic |
| | 12 | * Record an HDF5 log file from the data logged by each node |
| | 13 | * Use python packages to extract and process the log data |
| | 14 | |
| | 15 | The flow of the logger_two_node_dual_flow.py script is: |
| | 16 | 1. Initialize two WARP v3 nodes |
| | 17 | 1. Ensure nodes are configured as one AP, one STA and that the STA is associated with AP |
| | 18 | 1. Start a fully-backlogged locally generated traffic (LTG) flow from AP -> STA |
| | 19 | 1. Wait 30 seconds |
| | 20 | 1. Start a fully-backlogged locally generated traffic (LTG) flow from STA -> AP |
| | 21 | 1. Wait 30 seconds |
| | 22 | 1. Stop the locally generated traffic (LTG) flow from STA -> AP |
| | 23 | 1. Wait 30 seconds |
| | 24 | 1. Stop the locally generated traffic (LTG) flow from AP -> AP |
| | 25 | 1. Read the log data from each node and write an HDF5 log file |
| | 26 | |
| | 27 | To run this example: |
| | 28 | * Setup wlan_exp (see [wiki:../../GettingStarted Getting Started] for details) |
| | 29 | * Configure two WARP v3 nodes with the 802.11 Reference Design bitstream- one AP, one STA |
| | 30 | * Open the file in a text editor and change the {{{NODE_SERIAL_LIST}}} to match your serial numbers |
| | 31 | * Open a Python shell |
| | 32 | * CD to the '''Python_Reference/Examples''' directory from the expanded 802.11 Reference design archive |
| | 33 | * Run {{{python logger_two_node_dual_flow.py}}} |
| | 34 | |
| | 35 | The script will run for 2 minutes, then display its results: |
| | 36 | {{{ |
| | 37 | |
| | 38 | TBD |
| | 39 | |
| | 40 | }}} |
| | 41 | |
| | 42 | ---- |
| | 43 | '''Source:''' the script is included in the 802.11 Reference Design archive at '''Python_Reference/examples/txrx_log/logger_two_node_dual_flow.py'''. |
| | 44 | |
| | 45 | The [source:/ReferenceDesigns/w3_802.11/python/examples/txrx_log/logger_two_node_dual_flow.py latest version of the logger_two_node_dual_flow.py script] is also shown below. |
| | 46 | |
| | 47 | [[Include(source:/ReferenceDesigns/w3_802.11/python/examples/txrx_log/logger_two_node_dual_flow.py)]] |
