import usb.core
import usb.util
import time

VID = 0x0403
PID = 0x6014

dev = usb.core.find(idVendor=VID, idProduct=PID)

if not dev:
    print("Could not find USB :(")
    exit(1)
else:
    pass
    # print("Yeeha! Found a usb device!")

dev.reset()

if dev.is_kernel_driver_active(0):
    dev.detach_kernel_driver(0)

dev.set_configuration()


def Read():
    # a = 256
    # while a > 0:
    r = dev.read(0x81, 64, 50)
        # a = a - 1
    print(len(r))
    print(r)

buf = bytearray(64)  # 创建一个64字节的字节数组 
for i in range(64):  
    buf[i] = 1
def Write():  
    print(buf)
    w = 0  
    while w == 0:  
        w = dev.write(0x02, buf)  # 发送64字节的缓冲区
        # print(w)