SsiGetMaxChannels

Function

Get the number of channels for the device.

Format

Ret = SsiGetMaxChannels ( Id , &ChannelNum )

Parameters

Id [ C, C++: short ] [ Python: ctypes.c_short ]
Specify the device ID retrieved from SsiInit.

ChannelNum [ C, C++: short * ] [ Python: ctypes.POINTER(ctypes.c_short) ]
Specify the variable address for storing the number of channels.

Return Value

Ret [ C, C++: long ] [ Python: ctypes.c_long ]

Definition

Value

[Dec]

Description

SSI_ERR_SUCCESS

0

Succeeded

SSI_ERR_DLL_INVALID_ID

10001

Invalid device id.

SSI_ERR_DLL_CALL_DRIVER

10002

Can not call driver (ioctl failed).

SSI_ERR_DLL_BUFF_ADDRESS

10100

Invalid data buffer address.

The others (See also: Details of Error Code)

Initial Value

None

Remarks

Get the number of channels for the device.

Example

C, C++

long Ret;
short ChannelNum;
Ret = SsiGetMaxChannels(Id, &ChannelNum);
 

Python

Ret = ctypes.c_long()

ChannelNum = ctypes.c_short()

Ret.value = cssi.SsiGetMaxChannels(Id, ctypes.byref(ChannelNum))
 

See Also

None