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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
测试 MT6 RFID 读卡器协议函数
"""
import sys
import os
# 添加 PySimpleGUI 目录到路径
sys.path.insert(0, os.path.join(os.path.dirname(os.path.abspath(__file__)), 'PySimpleGUI'))
# 导入协议函数
from rfid_tester import (
calc_outer_checksum,
build_setreq_frame,
parse_getres_frame,
cmd_get_version,
cmd_buzzer,
cmd_set_power,
cmd_set_mode,
cmd_read_epc,
cmd_select_card,
cmd_write_epc,
)
def test_calc_outer_checksum():
"""测试校验和计算"""
print("\n=== 测试校验和计算 ===")
# 根据文档，读版本号命令的校验和应该是 0xc1
# Data Length: 01 00 (小端序)
# Data: c0
data_len = bytes([0x01, 0x00])
data = bytes([0xc0])
checksum = calc_outer_checksum(data_len, data)
print(f"读版本号校验和: 0x{checksum:02x} (期望: 0xc1)")
assert checksum == 0xc1, f"校验和计算错误: 期望 0xc1, 实际 0x{checksum:02x}"
# 打开蜂鸣器的校验和应该是 0xce
# Data Length: 02 00
# Data: cd 01
data_len = bytes([0x02, 0x00])
data = bytes([0xcd, 0x01])
checksum = calc_outer_checksum(data_len, data)
print(f"打开蜂鸣器校验和: 0x{checksum:02x} (期望: 0xce)")
assert checksum == 0xce, f"校验和计算错误: 期望 0xce, 实际 0x{checksum:02x}"
# 设置功率=8的校验和应该是 0xc6
# Data Length: 02 00
# Data: cc 08
data_len = bytes([0x02, 0x00])
data = bytes([0xcc, 0x08])
checksum = calc_outer_checksum(data_len, data)
print(f"设置功率=8校验和: 0x{checksum:02x} (期望: 0xc6)")
assert checksum == 0xc6, f"校验和计算错误: 期望 0xc6, 实际 0x{checksum:02x}"
print("校验和测试通过!")
def test_build_setreq_frame():
"""测试帧构建"""
print("\n=== 测试帧构建 ===")
# 测试读版本号命令
cmd = cmd_get_version()
frame = build_setreq_frame(cmd)
# 根据文档，应该是: 01 00 00 00 00 06 00 00 02 01 00 c0 c1 03
expected = bytes([0x01, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x02, 0x01, 0x00, 0xc0, 0xc1, 0x03])
print(f"读版本号帧 (前14字节): {frame[:14].hex()}")
print(f"期望: {expected.hex()}")
assert frame[:14] == expected, f"读版本号帧不匹配"
assert len(frame) == 256, f"帧长度应为256字节，实际为{len(frame)}"
print("读版本号帧测试通过!")
# 测试打开蜂鸣器命令
cmd = cmd_buzzer(True)
frame = build_setreq_frame(cmd)
# 根据文档: 01 00 00 00 00 07 00 00 02 02 00 cd 01 ce 03
expected = bytes([0x01, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x02, 0x02, 0x00, 0xcd, 0x01, 0xce, 0x03])
print(f"打开蜂鸣器帧 (前15字节): {frame[:15].hex()}")
print(f"期望: {expected.hex()}")
assert frame[:15] == expected, f"打开蜂鸣器帧不匹配"
print("打开蜂鸣器帧测试通过!")
# 测试关闭蜂鸣器命令
cmd = cmd_buzzer(False)
frame = build_setreq_frame(cmd)
# 根据文档: 01 00 00 00 00 07 00 00 02 02 00 cd 00 cf 03
expected = bytes([0x01, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x02, 0x02, 0x00, 0xcd, 0x00, 0xcf, 0x03])
print(f"关闭蜂鸣器帧 (前15字节): {frame[:15].hex()}")
print(f"期望: {expected.hex()}")
assert frame[:15] == expected, f"关闭蜂鸣器帧不匹配"
print("关闭蜂鸣器帧测试通过!")
# 测试设置功率命令
cmd = cmd_set_power(8)
frame = build_setreq_frame(cmd)
# 根据文档: 01 00 00 00 00 07 00 00 02 02 00 cc 08 c6 03
expected = bytes([0x01, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x02, 0x02, 0x00, 0xcc, 0x08, 0xc6, 0x03])
print(f"设置功率=8帧 (前15字节): {frame[:15].hex()}")
print(f"期望: {expected.hex()}")
assert frame[:15] == expected, f"设置功率帧不匹配"
print("设置功率帧测试通过!")
# 测试设置被动模式命令
cmd = cmd_set_mode(2)
frame = build_setreq_frame(cmd)
# 根据文档: 01 00 00 00 00 07 00 00 02 02 00 0f 02 0f 03
expected = bytes([0x01, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x02, 0x02, 0x00, 0x0f, 0x02, 0x0f, 0x03])
print(f"设置被动模式帧 (前15字节): {frame[:15].hex()}")
print(f"期望: {expected.hex()}")
assert frame[:15] == expected, f"设置模式帧不匹配"
print("设置模式帧测试通过!")
# 测试读取 EPC 命令
cmd = cmd_read_epc()
frame = build_setreq_frame(cmd)
print(f"读取EPC帧 (前20字节): {frame[:20].hex()}")
# 验证帧结构
assert frame[0] == 0x01, "Report ID 应为 0x01"
assert frame[1:5] == b'\x00\x00\x00\x00', "固定字段应为 0x00000000"
assert frame[7:9] == b'\x00\x02', "Constant 应为 0x0002"
print("读取EPC帧测试通过!")
def test_parse_getres_frame():
"""测试响应帧解析"""
print("\n=== 测试响应帧解析 ===")
# 模拟读版本号成功的响应
# Report ID: 0x03
# 响应数据: 00 + 版本字符串 "MT6_RF915_RW"
version_str = b"MT6_RF915_RW"
response = bytearray()
response.append(0x03) # Report ID
response.extend([0x00, 0x00, 0x00, 0x00]) # Fixed
frame_len = 2 + 2 + 1 + len(version_str) # constant + data_len + status + version
response.extend(frame_len.to_bytes(2, 'little')) # Frame Length
response.extend([0x00, 0x02]) # Constant
data_len = 1 + len(version_str)
response.extend(data_len.to_bytes(2, 'little')) # Data Length
response.append(0x00) # Status = 成功
response.extend(version_str) # Version string
# 计算校验和
checksum = calc_outer_checksum(data_len.to_bytes(2, 'little'), bytes([0x00]) + version_str)
response.append(checksum)
response.append(0x03) # End Marker
result = parse_getres_frame(bytes(response))
assert result is not None, "解析失败"
status, data = result
print(f"状态: 0x{status:02x} (期望: 0x00)")
print(f"数据: {data}")
assert status == 0x00, f"状态应为 0x00，实际为 0x{status:02x}"
assert data.decode('ascii').startswith("MT6"), "版本字符串应包含 MT6"
print("响应帧解析测试通过!")
def test_command_functions():
"""测试命令生成函数"""
print("\n=== 测试命令生成函数 ===")
# 测试读版本号命令
cmd = cmd_get_version()
print(f"读版本号命令: {cmd.hex()}")
assert cmd == bytes([0xc0]), f"读版本号命令应为 c0"
# 测试蜂鸣器命令
cmd = cmd_buzzer(True)
print(f"打开蜂鸣器命令: {cmd.hex()}")
assert cmd == bytes([0xcd, 0x01]), f"打开蜂鸣器命令应为 cd 01"
cmd = cmd_buzzer(False)
print(f"关闭蜂鸣器命令: {cmd.hex()}")
assert cmd == bytes([0xcd, 0x00]), f"关闭蜂鸣器命令应为 cd 00"
# 测试设置功率命令
cmd = cmd_set_power(5)
print(f"设置功率=5命令: {cmd.hex()}")
assert cmd == bytes([0xcc, 0x05]), f"设置功率=5命令应为 cc 05"
# 测试设置模式命令
cmd = cmd_set_mode(1)
print(f"设置单标签巡查模式命令: {cmd.hex()}")
assert cmd == bytes([0x0f, 0x01]), f"设置单标签巡查模式命令应为 0f 01"
cmd = cmd_set_mode(2)
print(f"设置被动模式命令: {cmd.hex()}")
assert cmd == bytes([0x0f, 0x02]), f"设置被动模式命令应为 0f 02"
# 测试读取 EPC 命令
cmd = cmd_read_epc()
print(f"读取EPC命令: {cmd.hex()}")
assert cmd == bytes([0xce, 0xbb, 0x00, 0x22, 0x00, 0x00, 0x22, 0x7e]), f"读取EPC命令不匹配"
print("命令生成函数测试通过!")
def main():
"""主测试函数"""
print("=" * 60)
print("MT6 RFID 读卡器协议函数测试")
print("=" * 60)
try:
test_calc_outer_checksum()
test_build_setreq_frame()
test_parse_getres_frame()
test_command_functions()
print("\n" + "=" * 60)
print("所有测试通过!")
print("=" * 60)
return 0
except AssertionError as e:
print(f"\n测试失败: {e}")
return 1
except Exception as e:
print(f"\n测试出错: {e}")
import traceback
traceback.print_exc()
return 1
if __name__ == '__main__':
sys.exit(main())