# python_module_demo

**Repository Path**: quincyzh/python_module_demo

## Basic Information

- **Project Name**: python_module_demo
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2026-01-13
- **Last Updated**: 2026-01-26

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

智能仪器仪表接口

``` python
#
import instrument
import pyvisa
import time


def pretty_idn(idn: str) -> str:
    sp = idn.split(",")
    vendor = sp[0].strip() if len(sp) > 0 else "Unknown"
    model = sp[1].strip() if len(sp) > 1 else "Unknown"

    model = model.replace("MODEL ", "").strip()
    vendor_items = vendor.split(" ")
    if len(vendor_items) > 1:
        vendor = vendor_items[0]

    return f"{vendor}::{model}"


rm = pyvisa.ResourceManager()
for r in rm.list_resources():
    print(f"Found resource: {r}")

## 信号发生器
res_signal_generator = rm.open_resource("USB0::0x0957::0x2807::MY62000107::INSTR")

idn = res_signal_generator.query("*IDN?")
idn_pretty = pretty_idn(idn)
print(f"IDN: {idn_pretty}")

vol = 2.5
offset = vol / 2
signal_generator = instrument.make_source(idn_pretty)
print(signal_generator.supported())
rc = signal_generator.setup(
    res_signal_generator,
    channel=1,
    beep=True,
    params={"wave": "SIN", "amplitude": vol, "offset": offset, "key": "frequency"},
)

if rc:
    f = 1000
    while f <= 4000:
        rc = signal_generator.set_output(f)
        print(f"Set frequency {f} => {rc}")

        f += 1000
        time.sleep(5)

    signal_generator.stop()
    print("Done")
else:
    print("Setup failed")


## 数字电源
res_power_supply = rm.open_resource("ASRL18::INSTR")

idn = res_power_supply.query("*IDN?")
idn_pretty = pretty_idn(idn)
print(f"IDN: {idn_pretty}")

vol = 2.5
offset = vol / 2
power_supply = instrument.make_source(idn_pretty)
print(power_supply.supported())
rc = power_supply.setup(res_power_supply, channel=1, beep=True, init_val=vol)

if rc:
    while vol < 5.0:
        rc = power_supply.set_output(vol)
        print(f"Set voltage {vol} => {rc}")

        vol += 0.5
        time.sleep(5)

    power_supply.stop()
    print("Done")
else:
    print("Setup failed")

## 数字万用表
res_dmm = rm.open_resource("USB0::0x05E6::0x6500::04645572::INSTR")

idn = res_dmm.query("*IDN?")
idn_pretty = pretty_idn(idn)
print(f"IDN: {idn_pretty}")

dmm = instrument.make_measure(idn_pretty)
print(dmm.supported())
rc = dmm.setup(res_dmm, "resistance", channel=1)

for _ in range(5):
    t = time.time()
    rc = dmm.read()
    t = time.time() - t

    print(f"Read: {rc}, {t:0.1f}")
    time.sleep(3)

dmm.stop()
```