# OpenThread Factory Diagnostics Module Reference

The OpenThread diagnostics module is a tool for debugging platform hardware manually, and it will also be used during manufacturing process, to verify platform hardware performance.

The diagnostics module supports common diagnostics features that are listed below, and it also provides a mechanism for expanding platform specific diagnostics features.

## Common Diagnostics Command List

- [diag](#diag)
- [diag start](#diag-start)
- [diag channel](#diag-channel)
- [diag cw](#diag-cw-start)
- [diag frame](#diag-frame)
- [diag stream](#diag-stream-start)
- [diag power](#diag-power)
- [diag powersettings](#diag-powersettings)
- [diag send](#diag-send-async-packets-length)
- [diag repeat](#diag-repeat-delay-length)
- [diag radio](#diag-radio-sleep)
- [diag rawpowersetting](#diag-rawpowersetting)
- [diag stats](#diag-stats)
- [diag gpio](#diag-gpio-get-gpio)
- [diag stop](#diag-stop)

### diag

Show diagnostics mode status.

```bash
> diag
diagnostics mode is disabled
```

### diag start

Start diagnostics mode.

```bash
> diag start
Done
```

### diag channel

Get the IEEE 802.15.4 Channel value for diagnostics module.

```bash
> diag channel
11
Done
```

### diag channel \<channel\>

Set the IEEE 802.15.4 Channel value for diagnostics module.

```bash
> diag channel 11
Done
```

### diag cw start

Start transmitting continuous carrier wave.

```bash
> diag cw start
Done
```

### diag cw stop

Stop transmitting continuous carrier wave.

```bash
> diag cw stop
Done
```

### diag frame

Usage: `diag frame [-b MaxCsmaBackoffs] [-c] [-C RxChannelAfterTxDone] [-d TxDelay] [-p TxPower] [-r MaxFrameRetries] [-s] [-u] <frame>`

Set the frame (hex encoded) to be used by `diag send` and `diag repeat`. The frame may be overwritten by `diag send` and `diag repeat`.

- Specify `-b` to specify the `mInfo.mTxInfo.mMaxCsmaBackoffs` field for this frame.
- Specify `-c` to enable CSMA/CA for this frame in the radio layer.
- Specify `-C` to specify the `mInfo.mTxInfo.mRxChannelAfterTxDone` field for this frame.
- Specify `-d` to specify the `mInfo.mTxInfo.mTxDelay` field for this frame and the `mInfo.mTxInfo.mTxDelayBaseTime` field is set to the current radio time.
- Specify `-p` to specify the tx power in dBm for this frame.
- Specify `-r` to specify the `mInfo.mTxInfo.mMaxFrameRetries` field for this frame.
- Specify `-s` to indicate that tx security is already processed thus it should be skipped in the radio layer.
- Specify `-u` to specify the `mInfo.mTxInfo.mIsHeaderUpdated` field for this frame.

```bash
> diag frame 0200ffc0ba
Done
```

### diag stream start

Start transmitting a stream of characters.

```bash
> diag stream start
Done
```

### diag stream stop

Stop transmitting a stream of characters.

```bash
> diag stream stop
Done
```

### diag power

Get the tx power value(dBm) for diagnostics module.

```bash
> diag power
-10
Done
```

### diag power \<power\>

Set the tx power value(dBm) for diagnostics module.

```bash
> diag power -10
Done
```

### diag powersettings

Show the currently used power settings table.

- Note: The unit of `TargetPower` and `ActualPower` is 0.01dBm.

```bash
> diag powersettings
| StartCh | EndCh | TargetPower | ActualPower | RawPowerSetting |
+---------+-------+-------------+-------------+-----------------+
|      11 |    14 |        1700 |        1000 |          223344 |
|      15 |    24 |        2000 |        1900 |          112233 |
|      25 |    25 |        1600 |        1000 |          223344 |
|      26 |    26 |        1600 |        1500 |          334455 |
Done
```

### diag powersettings \<channel\>

Show the currently used power settings for the given channel.

```bash
> diag powersettings 11
TargetPower(0.01dBm): 1700
ActualPower(0.01dBm): 1000
RawPowerSetting: 223344
Done
```

### diag send [async] \<packets\> [length]

Transmit a fixed number of packets.

- async: Use the non-blocking mode.
- packets: The number of packets to be sent.
- length: The length of packet. The valid range is [3, 127].

Send the frame set by `diag frame` if length is omitted. Otherwise overwrite the frame set by `diag frame` and send a frame of the given length.

```bash
> diag send 20 100
Done
> diag send async 20 100
Done
```

### diag repeat \<delay\> [length]

Transmit packets repeatedly with a fixed interval.

- delay: The interval between two consecutive packets in milliseconds.
- length: The length of packet. The valid range is [3, 127].

Send the frame set by `diag frame` if length is omitted. Otherwise overwrite the frame set by `diag frame` and send a frame of the given length.

```bash
> diag repeat 100 100
Done
```

### diag repeat stop

Stop repeated packet transmission.

```bash
> diag repeat stop
Done
```

### diag radio sleep

Enter radio sleep mode.

```bash
> diag radio sleep
Done
```

### diag radio receive

Set radio from sleep mode to receive mode.

```bash
> diag radio receive
Done
```

### diag radio receive \[async\] \<number\> \[lpr\]

Set the radio to receive mode and receive a specified number of frames.

- async: Use the non-blocking mode.
- number: The number of frames expected to be received.
- l: Show Lqi.
- p: Show Psdu.
- r: Show Rssi.

```bash
> diag radio receive 5 lpr
0, rssi:-49, lqi:119, len:10, psdu:000102030405060771e
1, rssi:-51, lqi:112, len:10, psdu:000102030405060771e
2, rssi:-42, lqi:120, len:10, psdu:000102030405060771e
3, rssi:-54, lqi:111, len:10, psdu:000102030405060771e
4, rssi:-56, lqi:108, len:10, psdu:000102030405060771e
Done
```

### diag radio receive filter enable

Enable the diag filter module to only receive frames with a specified destination address.

```bash
> diag radio receive filter enable
Done
```

### diag radio receive filter disable

Disable the diag filter module from only receiving frames with a specified destination address.

```bash
> diag radio receive filter disable
Done
```

### diag radio receive filter \<destaddress\>

Set the destination address of the radio receive filter.

- destaddress: The destination mac address. It can be a short, extended or none. Use '-' to specify none.

```bash
> diag radio receive filter -
Done
> diag radio receive filter 0x0a17
Done
> diag radio receive filter dead00beef00cafe
Done
```

### diag radio state

Return the state of the radio.

```bash
> diag radio state
sleep
Done
```

### diag radio enable

Enable radio interface and put it in receive mode.

```bash
> diag radio enable
Done
```

### diag radio disable

Disable radio interface.

```bash
> diag radio disable
Done
```

### diag rawpowersetting

Show the raw power setting for diagnostics module.

```bash
> diag rawpowersetting
112233
Done
```

### diag rawpowersetting \<settings\>

Set the raw power setting for diagnostics module.

```bash
> diag rawpowersetting 112233
Done
```

### diag rawpowersetting enable

Enable the platform layer to use the value set by the command `diag rawpowersetting \<settings\>`.

```bash
> diag rawpowersetting enable
Done
```

### diag rawpowersetting disable

Disable the platform layer to use the value set by the command `diag rawpowersetting \<settings\>`.

```bash
> diag rawpowersetting disable
Done
```

### diag stats

Print statistics during diagnostics mode.

```bash
> diag stats
received packets: 10
sent success packets: 10
sent error cca packets: 0
sent error abort packets: 0
sent error invalid state packets: 0
sent error others packets: 0
first received packet: rssi=-65, lqi=101
last received packet: rssi=-64, lqi=98
Done
```

### diag stats clear

Clear statistics during diagnostics mode.

```bash
> diag stats clear
Done
```

### diag gpio get \<gpio\>

Get the gpio value.

```bash
> diag gpio get 0
1
Done
```

### diag gpio set \<gpio\> \<value\>

Set the gpio value.

The parameter `value` has to be `0` or `1`.

```bash
> diag gpio set 0 1
Done
```

### diag gpio mode \<gpio\>

Get the gpio mode.

```bash
> diag gpio mode 1
in
Done
```

### diag gpio mode \<gpio\> in

Sets the given gpio to the input mode without pull resistor.

```bash
> diag gpio mode 1 in
Done
```

### diag gpio mode \<gpio\> out

Sets the given gpio to the output mode.

```bash
> diag gpio mode 1 out
Done
```

### diag stop

Stop diagnostics mode and print statistics.

```bash
> diag stop
Done
```

### diag rcp

RCP-related diagnostics commands. These commands are used for debugging and testing only.

#### diag rcp start

Start RCP diagnostics mode.

```bash
> diag rcp start
Done
```

#### diag rcp stop

Stop RCP diagnostics mode.

```bash
> diag rcp stop
Done
```

#### diag rcp channel \<channel\>

Set the RCP IEEE 802.15.4 Channel value for diagnostics module.

```bash
> diag rcp channel 11
Done
```

#### diag rcp power \<power\>

Set the RCP tx power value(dBm) for diagnostics module.

```bash
> diag rcp power 0
Done
```

#### diag rcp echo \<message\>

RCP echoes the given message.

```bash
> diag rcp echo 0123456789
0123456789
Done
```

#### diag rcp echo -n \<number\>

RCP echoes the message with the given number of bytes.

```bash
> diag rcp echo -n 20
01234567890123456789
Done
```