Get task attribute value

Functions
int32_t	VkDaqGetTaskAttribute (const char *task, const char *attrName, char attrValue[], int32_t size)
	Get task attribute value.

Detailed Description

Function Documentation

VkDaqGetTaskAttribute()

int32_t VkDaqGetTaskAttribute	(	const char *	task,
		const char *	attrName,
		char	attrValue[],
		int32_t	size
	)

Get task attribute value.

data type	parameter	describe
const char*	task	Task name(string type, for example"Task1")
const char*	attrName	Attribute name.Available values: "Attributes": Query all attribute names of the current task. The returned attribute names are separated by commas. "Channels": Query all channel names of the current task. The returned channel names are separated by commas. "ChannelsAvailable": Query the available channel names for the current task. The returned channel names are separated by commas. "Name": Query task name. "Status": Query task status. "PID": Query the task creator process ID. "EXE": Query the process application path of the task creator. "Mode":Master-Slave Mode. "SamplingFrequency":SamplingFrequency. "Detail":Detailed task configuration information in JSON format.
char[]	attrValue[]	Character array, used to store attribute values, multiple values ​​are separated by commas.
int32_t	size	The size of the attrValue arrays.

Returns

On success, return value >= 0.

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

C language reference

#include <stdio.h>
#include "libvkdaq.h"
 
int main(int argc, char* argv[])
{
    const char* task = "task1";
    char value[4096] = { 0 };
    int32_t size = sizeof(value);
 
    int32_t result = VkDaqCreateTask(task); 
 
    result = VkDaqCreateAIVoltageChan(task, "dev1/AIN1", "", VkDaq_Val_SingleEnded, -10.0, 10.0, VkDaq_Val_Volts, ""); 
 
    result = VkDaqCfgSampClkTiming(task, VkDaq_Val_ClkSrc_OnBoardClk, 1000, VkDaq_Val_Rising, VkDaq_Val_ContSamps, 0);
 
    result = VkDaqStartTask(task); 
 
    result = VkDaqGetTaskAttribute(task,"Channels", value, size);   
 
    printf("Task Channels = %s \n",value); 
 
    if (result >= 0) {
        printf("Successful\n");
    }
    else {
        printf("Failed\n");
    }
 
    return 0;
}