libvkdaq
VKINGING DAQ Library API Reference
 
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Functions

int32_t VkDaqCreateAOVoltageChan (const char *task, const char *chans, const char *reserved1, double minVal, double maxVal, int32_t units, const char *reserved2)
 Create DAC channel.
 

Detailed Description

Function Documentation

◆ VkDaqCreateAOVoltageChan()

int32_t VkDaqCreateAOVoltageChan ( const char *  task,
const char *  chans,
const char *  reserved1,
double  minVal,
double  maxVal,
int32_t  units,
const char *  reserved2 
)

Create DAC channel.

data type parameter describe
const char* task Task name.
const char* chans Channel list, Use commas to separate multiple channels or use colons to specify multiple channels in a row., such as "dev1/AOUT1,dev1/AOUT2", "dev1/AOUT1:2", etc.
const char* reserved1 Reserved.
double minVal Minimum voltage value.
double maxVal Maximum voltage value.
const char* source Voltage unit.
const char* reserved2 Reserved.

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";
const char* source = "VirtualCounter";
int32_t maxVal = 4294967295;
int32_t result = VkDaqCreateTask(task);
result = VkDaqCreateAOVoltageChan(task, "dev1/AOUT1", "", -9, 9, VkDaq_Val_Volts, "");
if (result >= 0) {
printf("Successful\n");
}
else {
printf("Failed\n");
}
return 0;
}
int32_t VkDaqCreateAOVoltageChan(const char *task, const char *chans, const char *reserved1, double minVal, double maxVal, int32_t units, const char *reserved2)
Create DAC channel.
int32_t VkDaqCreateTask(const char *task)
Create task.