Set device attribute value

Functions
int32_t	VkDaqSetDeviceAttribute (const char *dev, const char *attrName, const char *attrValue)
	Set device attribute value.

Detailed Description

Function Documentation

VkDaqSetDeviceAttribute()

int32_t VkDaqSetDeviceAttribute	(	const char *	dev,
		const char *	attrName,
		const char *	attrValue
	)

Set device attribute value.

data type	parameter	describe
const char*	dev	Device name or Channel name, such as "dev1", "dev2",etc.
const char*	attrName	Attribute name,such as "Sampling Frequency", etc
const char*	attrValue	Attribute values.

Returns

On success, return value >= 0.

On failure, returns a negative error number.For detail, please Call VkDaqGetLastErrorInfo

Note

For detailed information about device properties, please refer to the property reference of the corresponding acquisition card below:

1. VP8388_VP8384_Device_Attributes

2. VK7016_VK7018_Device_Attributes

3. VP6068_Device_Attributes

C language reference

#include <stdio.h>
#include "libvkdaq.h"
 
int main(int argc, char* argv[])
{
    const char* dev = "dev1"; 
    const char* attrName = "SamplingFrequency";
    const char* attrValue = "10000";
 
    int32_t result = VkDaqSetDeviceAttribute(dev, attrName, attrValue); 
 
    if (result >= 0) {
        printf("Successful\n");
    }
    else {
        printf("Failed\n");
    }
 
    return 0;
}