source: ReferenceDesigns/w3_802.11/python/wlan_exp_platform_w3/__init__.py

import wlan_exp.platform as wlan_exp_platform
from wlan_exp.info import InfoStruct

# Define the WARP v3 platform node info struct - must match the typedef
#  in w3_high.c. Struct field defs use the format defined for InfoStructs
#  in wlan_exp.info.py
_w3_node_info_flds = [('fpga_dna',              'Q', 'uint64', 'Virtex-6 FPGA DNA value'),
                      ('max_tx_power_dbm', 'b', 'int8',   'RF interface maximum Tx power'),
                      ('min_tx_power_dbm', 'b', 'int8',   'RF interface minimum Tx power')]

_w3_node_info = InfoStruct(field_defs=_w3_node_info_flds)

# Define a getter for the platform node info format
#  The current format does not depend on the platform_config value
def _get_node_info_fmt(platform_config=None):
    return _w3_node_info

w3_platform = wlan_exp_platform.WlanExpPlatform(
    name = 'Mango WARP v3', 
    platform_id = 1,
    sn_regexp = r'[Ww]3-a-(?P<sn>\d+)',
    sn_str_fmt = 'W3-a-{0:05}'
)

# Override the default node methods for platform-specific behavior
#  TODO: these overrides should really be method overrides in a subclass
w3_platform.get_node_info_format = _get_node_info_fmt

wlan_exp_platform.register_platform(w3_platform)