//使用类进行设备控制
类文件内容
import pyvisa
import numpy as np
import time
class PiDevice:
def __init__(self):
self.device_id = None #默认无设备连接
def find_device_address(self, device_id):
rm = pyvisa.ResourceManager() # 创建一个VISA资源管理对象rm;
self.device_id = device_id
self.goal_dev = rm.open_resource(self.device_id) #找到设备，准备通信
# return self.goal_dev
def set_voltage(self, startVoltage, endVoltage, stepSize):
# Send a command to the instrument
for voltage in np.arange(startVoltage, endVoltage, stepSize):
# voltage = voltage / 10
self.goal_dev.write(f'VSET1:{voltage}') # 设置电压输出
time.sleep(1)
主文件内容
from pimi import PiDevice
powerDev = PiDevice()
powerAddress = powerDev.find_device_address("ASRL3::INSTR") #手动写入设备地址参数，可以借助NI Max读取
test001 = powerDev.set_voltage(1, 1.9, 0.1)