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WifiIotUartExtraAttr.md 7.46 KB

# WifiIotUartExtraAttr<a name="ZH-CN_TOPIC_0000001055355050"></a>

## **Overview**<a name="section1351623798191908"></a>

**Related Modules:**

[Wifiiot](Wifiiot.md)

**Description:**

Defines the extended attributes of a UART device.

## **Summary**<a name="section1776754150191908"></a>

## Data Fields<a name="pub-attribs"></a>

<a name="table1595066792191908"></a>
<table><thead align="left"><tr id="row64136499191908"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p1401734821191908"><a name="p1401734821191908"></a><a name="p1401734821191908"></a>Variable Name</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p2047815970191908"><a name="p2047815970191908"></a><a name="p2047815970191908"></a>Description</p>
</th>
</tr>
</thead>
<tbody><tr id="row936221964191908"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1616271742191908"><a name="p1616271742191908"></a><a name="p1616271742191908"></a><a href="WifiIotUartExtraAttr.md#aa01079098e536775ebf59eaf2e9d0371">txFifoLine</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1177400604191908"><a name="p1177400604191908"></a><a name="p1177400604191908"></a><a href="Wifiiot.md#ga1c15f86994b472d35bee5d6b57d42a49">WifiIotUartFifoLine</a>&nbsp;</p>
</td>
</tr>
<tr id="row1087746866191908"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p25444522191908"><a name="p25444522191908"></a><a name="p25444522191908"></a><a href="WifiIotUartExtraAttr.md#af5081778442a1af3711c7697dd26659b">rxFifoLine</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p31335409191908"><a name="p31335409191908"></a><a name="p31335409191908"></a><a href="Wifiiot.md#ga1c15f86994b472d35bee5d6b57d42a49">WifiIotUartFifoLine</a>&nbsp;</p>
</td>
</tr>
<tr id="row1357521820191908"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1248057186191908"><a name="p1248057186191908"></a><a name="p1248057186191908"></a><a href="WifiIotUartExtraAttr.md#a8273dead725f87ba2d29641850705d2f">flowFifoLine</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p670745085191908"><a name="p670745085191908"></a><a name="p670745085191908"></a><a href="Wifiiot.md#ga1c15f86994b472d35bee5d6b57d42a49">WifiIotUartFifoLine</a>&nbsp;</p>
</td>
</tr>
<tr id="row731452961191908"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p138558101191908"><a name="p138558101191908"></a><a name="p138558101191908"></a><a href="WifiIotUartExtraAttr.md#aabdf23123a5cc62db093f36fd0080ac9">txBlock</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p755182934191908"><a name="p755182934191908"></a><a name="p755182934191908"></a><a href="Wifiiot.md#ga93f35a58dc54e29d4892d1e94179c72d">WifiIotUartBlockState</a>&nbsp;</p>
</td>
</tr>
<tr id="row1988485131191908"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1357651811191908"><a name="p1357651811191908"></a><a name="p1357651811191908"></a><a href="WifiIotUartExtraAttr.md#a9e2ccc520b5f0ba80d207bff630d19bb">rxBlock</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p826516262191908"><a name="p826516262191908"></a><a name="p826516262191908"></a><a href="Wifiiot.md#ga93f35a58dc54e29d4892d1e94179c72d">WifiIotUartBlockState</a>&nbsp;</p>
</td>
</tr>
<tr id="row20305548191908"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1377957570191908"><a name="p1377957570191908"></a><a name="p1377957570191908"></a><a href="WifiIotUartExtraAttr.md#ac2ad30b5b0772ac1bf2a16367aebcc5e">txBufSize</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1739215919191908"><a name="p1739215919191908"></a><a name="p1739215919191908"></a>unsigned short&nbsp;</p>
</td>
</tr>
<tr id="row956579864191908"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p938707135191908"><a name="p938707135191908"></a><a name="p938707135191908"></a><a href="WifiIotUartExtraAttr.md#a0552355d96f1480e5a084fa88bf2889c">rxBufSize</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1031067510191908"><a name="p1031067510191908"></a><a name="p1031067510191908"></a>unsigned short&nbsp;</p>
</td>
</tr>
<tr id="row1514826168191908"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p523406139191908"><a name="p523406139191908"></a><a name="p523406139191908"></a><a href="WifiIotUartExtraAttr.md#a5e672428e645e08e1f6f356d589a0fc0">txUseDma</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p2009965972191908"><a name="p2009965972191908"></a><a name="p2009965972191908"></a><a href="Wifiiot.md#gaf36ed6a640d85e79dfee020131e0d86f">WifiIotUartDmaState</a>&nbsp;</p>
</td>
</tr>
<tr id="row22731316191908"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p595026893191908"><a name="p595026893191908"></a><a name="p595026893191908"></a><a href="WifiIotUartExtraAttr.md#a7d3c81d3c3203dca8784d6c5766604fc">rxUseDma</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1139083851191908"><a name="p1139083851191908"></a><a name="p1139083851191908"></a><a href="Wifiiot.md#gaf36ed6a640d85e79dfee020131e0d86f">WifiIotUartDmaState</a>&nbsp;</p>
</td>
</tr>
</tbody>
</table>

## **Details**<a name="section1620944072191908"></a>

## **Field Documentation**<a name="section144177141191908"></a>

## flowFifoLine<a name="a8273dead725f87ba2d29641850705d2f"></a>

```
[WifiIotUartFifoLine](Wifiiot.md#ga1c15f86994b472d35bee5d6b57d42a49) WifiIotUartExtraAttr::flowFifoLine
```

**Description:**

FIFO interrupt threshold for flow control

## rxBlock<a name="a9e2ccc520b5f0ba80d207bff630d19bb"></a>

```
[WifiIotUartBlockState](Wifiiot.md#ga93f35a58dc54e29d4892d1e94179c72d) WifiIotUartExtraAttr::rxBlock
```

**Description:**

Rx block state

## rxBufSize<a name="a0552355d96f1480e5a084fa88bf2889c"></a>

```
unsigned short WifiIotUartExtraAttr::rxBufSize
```

**Description:**

Rx buffer size

## rxFifoLine<a name="af5081778442a1af3711c7697dd26659b"></a>

```
[WifiIotUartFifoLine](Wifiiot.md#ga1c15f86994b472d35bee5d6b57d42a49) WifiIotUartExtraAttr::rxFifoLine
```

**Description:**

Rx FIFO interrupt threshold

## rxUseDma<a name="a7d3c81d3c3203dca8784d6c5766604fc"></a>

```
[WifiIotUartDmaState](Wifiiot.md#gaf36ed6a640d85e79dfee020131e0d86f) WifiIotUartExtraAttr::rxUseDma
```

**Description:**

Whether DMA is used to receive data

## txBlock<a name="aabdf23123a5cc62db093f36fd0080ac9"></a>

```
[WifiIotUartBlockState](Wifiiot.md#ga93f35a58dc54e29d4892d1e94179c72d) WifiIotUartExtraAttr::txBlock
```

**Description:**

Tx block state

## txBufSize<a name="ac2ad30b5b0772ac1bf2a16367aebcc5e"></a>

```
unsigned short WifiIotUartExtraAttr::txBufSize
```

**Description:**

Tx buffer size

## txFifoLine<a name="aa01079098e536775ebf59eaf2e9d0371"></a>

```
[WifiIotUartFifoLine](Wifiiot.md#ga1c15f86994b472d35bee5d6b57d42a49) WifiIotUartExtraAttr::txFifoLine
```

**Description:**

Tx FIFO interrupt threshold

## txUseDma<a name="a5e672428e645e08e1f6f356d589a0fc0"></a>

```
[WifiIotUartDmaState](Wifiiot.md#gaf36ed6a640d85e79dfee020131e0d86f) WifiIotUartExtraAttr::txUseDma
```

**Description:**

Whether DMA is used to send data

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提交于 2020-09-08 10:08 . add OpenHarmony 1.0 baseline

WifiIotUartExtraAttr

Overview

Related Modules:

Description:

Defines the extended attributes of a UART device.

Summary

Data Fields

Variable Name	Description
txFifoLine	WifiIotUartFifoLine
rxFifoLine	WifiIotUartFifoLine
flowFifoLine	WifiIotUartFifoLine
txBlock	WifiIotUartBlockState
rxBlock	WifiIotUartBlockState
txBufSize	unsigned short
rxBufSize	unsigned short
txUseDma	WifiIotUartDmaState
rxUseDma	WifiIotUartDmaState

Details

Field Documentation

flowFifoLine

[WifiIotUartFifoLine](Wifiiot.md#ga1c15f86994b472d35bee5d6b57d42a49) WifiIotUartExtraAttr::flowFifoLine

Description:

FIFO interrupt threshold for flow control

rxBlock

[WifiIotUartBlockState](Wifiiot.md#ga93f35a58dc54e29d4892d1e94179c72d) WifiIotUartExtraAttr::rxBlock

Description:

Rx block state

rxBufSize

unsigned short WifiIotUartExtraAttr::rxBufSize

Description:

Rx buffer size

rxFifoLine

[WifiIotUartFifoLine](Wifiiot.md#ga1c15f86994b472d35bee5d6b57d42a49) WifiIotUartExtraAttr::rxFifoLine

Description:

Rx FIFO interrupt threshold

rxUseDma

[WifiIotUartDmaState](Wifiiot.md#gaf36ed6a640d85e79dfee020131e0d86f) WifiIotUartExtraAttr::rxUseDma

Description:

Whether DMA is used to receive data

txBlock

[WifiIotUartBlockState](Wifiiot.md#ga93f35a58dc54e29d4892d1e94179c72d) WifiIotUartExtraAttr::txBlock

Description:

Tx block state

txBufSize

unsigned short WifiIotUartExtraAttr::txBufSize

Description:

Tx buffer size

txFifoLine

[WifiIotUartFifoLine](Wifiiot.md#ga1c15f86994b472d35bee5d6b57d42a49) WifiIotUartExtraAttr::txFifoLine

Description:

Tx FIFO interrupt threshold

txUseDma

[WifiIotUartDmaState](Wifiiot.md#gaf36ed6a640d85e79dfee020131e0d86f) WifiIotUartExtraAttr::txUseDma

Description:

Whether DMA is used to send data

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