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import pywinusb.hid as hid
import time

# 从设备接收数据
def sample_handler(data):         
    data = [chr(i) for i in data]
    data = ''.join(data[1:])
    print(data)

# 向设备发送数据
def hid_send(buffer):
    buffer = [i for i in buffer]
    header = 0x80  # 首包标志 
        while len(buffer) > packetsize:
        msg = [0x00] + [header] + buffer[:packetsize]
        print(msg)
        out_report.set_raw_data(msg)
        header = 0x00
        out_report.send()
        print('#')
        buffer = buffer[packetsize:] # buffer向后跳packetsize个位置
    time.sleep(0.1)

    header += 0x40    # 尾包标志
    while len(buffer) < packetsize:
        buffer.append(0)  # 剩余数据不足, 补齐64字节
    msg = [0x00] + [header] + buffer
    out_report.set_raw_data(msg)
    out_report.send()
    print('#')
    time.sleep(0.1)

# 主程序
flt = hid.HidDeviceFilter(vendor_id = 0x8589) # 按vendor_id查找设备
devices = flt.get_devices()
if devices:
    device = devices[0]
    print(device)
else:
    exit()

device.open()

device.set_raw_data_handler(sample_handler)
out_report = device.find_output_reports()[0]

packetsize = 63 # 每次发送63字节

while True:
    str = input().encode('utf8')  # 汉字按utf-8处理
    hid_send(str)

device.close()