创建DAC通道

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

详细描述

函数说明

VkDaqCreateAOVoltageChan()

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

创建DAC通道

数据类型	参数	说明
const char*	task	任务名.
const char*	chans	通道列表，多个通道之间使用逗号分隔或使用冒号指定连续多个通道，如"dev1/AOUT1,dev1/AOUT2", "dev1/AOUT1:2"等.
const char*	reserved1	保留.
double	minVal	电压最小值.
double	maxVal	电压最大值.
const char*	source	电压单位.
const char*	reserved2	保留.

返回

成功时, 返回值 >= 0

失败时, 返回为负值的错误编号.获取详细信息,请调用 VkDaqGetLastErrorInfo

C语言参考

#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;
}