想通过python的pyusb 给USB设备发送数据
import usb.util
dev = usb.core.find(idVendor=0x2704, idProduct=0x2017)
print(dev)
看运行结果应该已经连接成功
我想发送一条16进制的数据,不知改如何写 例如发送:
01 5b 00 00 00 00 00 00
01 00 00 00 00 00 00 00
import usb.util
dev = usb.core.find(idVendor=0x2704, idProduct=0x2017)
print(dev)
看运行结果应该已经连接成功
我想发送一条16进制的数据,不知改如何写 例如发送:
01 5b 00 00 00 00 00 00
01 00 00 00 00 00 00 00
import usb.util
dev = usb.core.find(idVendor=0x2704, idProduct=0x2017)
print(dev)
if dev is None:
raise ValueError('Device not found')
dev.set_configuration()
def tx_data():
try:
#文本转换Hex
hex_str = bytes.fromhex('01 5b 00 00 00 00 00 00')
#参数1 endpoint,usb设备连接成功打印信息截图中的endpoint值
#参数2 待写入的数据
#参数3 超时时间,默认为None
data = dev.write(0x81,hex_str,1000)
print(data)
except Exception as e:
print(e)