# WifiIotSpiCfgInitParam
## **Overview**
**Related Modules:**
[Wifiiot](Wifiiot.md)
**Description:**
Specifies whether a device is a master or slave device.
**Since:**
1.0
**Version:**
1.0
## **Summary**
## Data Fields
Variable Name
|
Description
|
|---|
isSlave: 1
|
unsigned int
|
pad: 31
|
unsigned int
|
## **Details**
## **Field Documentation**
## isSlave
```
unsigned int WifiIotSpiCfgInitParam::isSlave
```
**Description:**
Whether the device is a slave device
## pad
```
unsigned int WifiIotSpiCfgInitParam::pad
```
**Description:**
Padding bit