Radio test subcommands

wifi_radio_test is the Wi-Fi® radio test command and it supports the following subcommands.

Wi-Fi radio test subcommands

Wi-Fi radio test subcommands

Subcommand

Argument

Default value

Type

Description

set_defaults

N/A

N/A

Configuration

Reset all configuration parameters to their default values.

phy_calib_rxdc
0 - Disable
1 - Enable

1

Configuration

Enable/Disable RX DC calibration.

phy_calib_txdc
0 - Disable
1 - Enable

1

Configuration

Enable/Disable TX DC calibration.

phy_calib_txpow
0 - Disable
1 - Enable

0

Configuration

Enable/Disable TX power calibration.

phy_calib_rxiq
0 - Disable
1 - Enable

1

Configuration

Enable/Disable RX IQ calibration.

phy_calib_txiq
0 - Disable
1 - Enable

1

Configuration

Enable/Disable TX IQ calibration.

he_ltf
0 - 1x HE LTF
1 - 2x HE LTF
2 - 4x HE LTF

2

Configuration

Configure HE long training field (LTF) value while transmitting the packet.

he_gi
0 - 0.8 µs
1 - 1.6 µs
2 - 3.2 µs

2

Configuration

Configure HE guard interval (GI) while transmitting the packet.

tx_pkt_tput_mode
0 - Legacy
1 - HT mode
2 - VHT mode
3 - HE (SU) mode
4 - HE (ERSU) mode
5 - HE (TB) mode

0

Configuration

Throughput mode to be used for transmitting the packet.

tx_pkt_sgi
0 - Disable
1 - Enable

0

Configuration

Enable/Disable Short guard interval (GI) while transmitting the packet.

tx_pkt_preamble
0 - Long Preamble
1 - Short Preamble
2 - Mixed Preamble

0

Configuration

Type of preamble to be used for each packet. Short/Long Preamble are applicable only when tx_pkt_tput_mode is set to Legacy and Mixed Preamble is applicable only when tx_pkt_tput_mode is set to HT/VHT.

tx_pkt_mcs
-1 - Not being used
<val> - MCS index to be used

0

Configuration

MCS index at which TX packet will be transmitted. Mutually exclusive with tx_pkt_rate.

tx_pkt_rate
-1 - Not being used
<val> - Legacy rate to be used (1, 2, 5.5, 11, 6, 9, 12, 18, 24, 36, 48, 54)

6

Configuration

Legacy rate at which packets will be transmitted. Mutually exclusive with tx_pkt_mcs.

tx_pkt_gap

<val> - (Min: 0, Max: 200000)

0

Configuration

Interval between TX packets in microseconds.

tx_pkt_num
-1 - Transmit infinite packets
<val> - Number of packets to transmit

-1

Configuration

Number of packets to transmit before stopping.

tx_pkt_len

<val> - Desired packet length

1400

Configuration

Packet data length to be used for the TX stream.

tx_power

<val> - Transmit power in dBm (Min: 0, Max: 24)

0

Configuration

Transmit power for frame transmission.

ru_tone

<val> - Desired resource unit (RU) size (26, 52, 106 or 242).

26

Configuration

Configure the resource unit (RU) size.

ru_index
<val> - Valid values:
For 26 ru_tone: 1 to 9
For 52 ru_tone: 1 to 4
For 106 ru_tone: 1 to 2
For 242 ru_tone: 1

1

Configuration

Configure the location of resource unit (RU) in 20 MHz spectrum.

rx_capture_length
<val> Number of ADC samples (Min: 0, Max: 16383)

0

Configuration

Number of RX samples to be captured.

rx_capture_timeout
<val> Timeout period in seconds (Min: 0, Max: 600)

0

Configuration

Duration of packet detection. If no packets are detected, the command will timeout.

rx_lna_gain
0 = 24 dB
1 = 18 dB
2 = 12 dB
3 = 0 dB
4 = -12 dB

0

Configuration

LNA gain to be configured.

rx_bb_gain
<val>
5 bit value. Supports 64 dB range in steps of 2 dB

0

Configuration

Baseband gain to be configured.

tx_tone_freq
<val> (Min: -10, Max: 10)

0

Configuration

Transmit tone frequency in the range of -10 MHz to 10 MHz.

dpd
0 - DPD bypass
1 - Enable DPD

0

Configuration

Enable or bypass DPD.

set_xo_val
<val> - XO value (Min:0, Max: 127)

42 or value programmed in OTP

Configuration

Set XO value.

show_config

N/A

N/A

Configuration

Display the current configuration values.

init

<val> - Primary channel number

1

Action

Initialize the radio to a default state with the configured channel. This will also reset all other configuration parameters to their default values.

tx
0 - Disable
1 - Enable

0

Action

Enable/Disable packet transmission. Transmits configured number of packets (tx_pkt_num) of packet length (tx_pkt_len).

rx
0 - Disable
1 - Enable

0

Action

Enable/Disable packet reception.

rx_cap
0 = ADC capture
1 = Filtered ADC capture
2 = Packet capture

N/A

Action

Capture ADC samples at 40 MHz sampling rate, capture filtered ADC samples at 20 MHz sampling rate, or capture packets at 20 MHz sampling rate after valid packet detection.

tx_tone
0: Disable tone
1: Enable tone

0

Action

Enable/Disable transmit tone.

get_temperature
No arguments required

N/A

Action

Get temperature.

get_rf_rssi
No arguments required

N/A

Action

Get RF RSSI.

compute_optimal_xo_val

N/A

N/A

Action

Compute optimal XO trim value.

get_stats

N/A

N/A

Action

Display statistics.

tx_pkt_cw

<val> - Contention window value to be used (0, 3, 7, 15, 31, 63, 127, 255, 511, 1023).

15

Configuration

Contention window for transmitted packets.

reg_domain

<country code> - Desired country code(for example: NO, US, GB, IN).

00 (world regulatory)

Action

Configure WLAN regulatory domain country code.

bypass_reg_domain
0: Use reg_domain
1: Do not use reg_domain

0

Configuration

Configure WLAN to bypass current regulatory domain in TX test.

set_ant_gain

<val> - Antenna gain in dB (Min: 0, Max: 6)

0

Configuration

<val> is subtracted from the transmit power.

set_edge_bo

<val> - Edge backoff in dB (Min: 0, Max: 10)

0

Configuration

If the channel is an edge channel, the value of <val> is subtracted from the transmit power.

Wi-Fi radio test statistics

Wi-Fi radio test statistics

Statistic

Description

rssi_avg

Average RSSI value in dBm.

ofdm_crc32_pass_cnt

Number of OFDM frames whose CRC32 check passed.

ofdm_crc32_fail_cnt

Number of OFDM frames whose CRC32 check failed.

dsss_crc32_pass_cnt

Number of DSSS frames whose CRC32 check passed.

dsss_crc32_fail_cnt

Number of DSSS frames whose CRC32 check failed.