stage_one

tests/485test.py

@@ -0,0 +1,339 @@
+import serial
+import time
+import struct
+
+
+class InovanceMD520:
+    def __init__(self, port='COM4', baudrate=9600, timeout=1):
+        """
+        初始化汇川MD520变频器通信
+        :param port: 串口名称，Windows为COMx，Linux为/dev/ttyUSBx
+        :param baudrate: 波特率，默认9600
+        :param timeout: 超时时间，秒
+        """
+        self.port = port
+        self.baudrate = baudrate
+        self.timeout = timeout
+        self.ser = None
+
+    def connect(self):
+        """连接串口"""
+        try:
+            self.ser = serial.Serial(
+                port=self.port,
+                baudrate=self.baudrate,
+                bytesize=serial.EIGHTBITS,
+                parity=serial.PARITY_NONE,
+                stopbits=serial.STOPBITS_ONE,
+                timeout=self.timeout
+            )
+            print(f"成功连接到串口 {self.port}")
+            return True
+        except serial.SerialException as e:
+            print(f"连接串口失败: {e}")
+            return False
+
+    def disconnect(self):
+        """断开串口连接"""
+        if self.ser and self.ser.is_open:
+            self.ser.close()
+            print("串口连接已关闭")
+
+    def calculate_crc(self, data):
+        """
+        计算Modbus CRC16校验码
+        :param data: 字节数据
+        :return: CRC校验码（低位在前，高位在后）
+        """
+        crc = 0xFFFF
+        for byte in data:
+            crc ^= byte
+            for _ in range(8):
+                if crc & 0x0001:
+                    crc = (crc >> 1) ^ 0xA001
+                else:
+                    crc = crc >> 1
+        return struct.pack('<H', crc)  # 小端序，低位在前
+
+    def query_frequency(self, slave_addr=0x01):
+        """
+        查询变频器运行频率
+        :param slave_addr: 从站地址，默认1
+        :return: 频率值（Hz），如查询失败返回None
+        """
+        if not self.ser or not self.ser.is_open:
+            print("串口未连接")
+            return None
+
+        # 构建查询指令：读取运行频率（地址1001H）
+        # 01 03 10 01 00 01
+        cmd_data = bytes([
+            slave_addr,  # 从站地址
+            0x03,  # 功能码：读取保持寄存器
+            0x10, 0x01,  # 寄存器地址：1001H（运行频率）
+            0x00, 0x01  # 读取1个寄存器
+        ])
+
+        # 计算CRC
+        crc = self.calculate_crc(cmd_data)
+
+        # 完整指令
+        full_cmd = cmd_data + crc
+
+        print(f"发送查询指令: {full_cmd.hex().upper()}")
+
+        try:
+            # 清空输入缓冲区
+            self.ser.reset_input_buffer()
+
+            # 发送指令
+            self.ser.write(full_cmd)
+
+            # 等待响应（根据文档需要等待3.5个字节时间）
+            time.sleep(0.01)  # 约10ms延迟
+
+            # 读取响应
+            # 正常响应格式：地址(1) + 功能码(1) + 字节数(1) + 数据(2) + CRC(2) = 7字节
+            response = self.ser.read(7)
+
+            if len(response) < 7:
+                print(f"响应数据长度不足: {len(response)} 字节")
+                return None
+
+            print(f"收到响应: {response.hex().upper()}")
+
+            # 验证响应
+            if response[0] != slave_addr:
+                print(f"从站地址不匹配: 期望{slave_addr:02X}, 收到{response[0]:02X}")
+                return None
+
+            if response[1] != 0x03:
+                print(f"功能码错误: 期望03, 收到{response[1]:02X}")
+                return None
+
+            if response[2] != 0x02:
+                print(f"数据长度错误: 期望02, 收到{response[2]:02X}")
+                return None
+
+            # 验证CRC
+            received_crc = response[-2:]
+            calculated_crc = self.calculate_crc(response[:-2])
+            if received_crc != calculated_crc:
+                print("CRC校验失败")
+                return None
+
+            # 解析频率数据（高字节在前）
+            frequency_raw = (response[3] << 8) | response[4]
+            frequency_hz = frequency_raw / 100.0  # 转换为Hz（单位0.01Hz）
+
+            print(f"原始频率值: {frequency_raw} (0x{frequency_raw:04X})")
+            print(f"实际频率: {frequency_hz:.2f} Hz")
+
+            return frequency_hz
+
+        except Exception as e:
+            print(f"通信错误: {e}")
+            return None
+
+    def set_frequency(self, slave_addr=0x01,frequency=210):
+        """
+        变频器运行频率
+        :param slave_addr: 从站地址，默认1
+        :return: 频率值（Hz），如查询失败返回None
+        """
+        if not self.ser or not self.ser.is_open:
+            print("串口未连接")
+            return None
+
+        # 构建查询指令：读取运行频率（地址1001H）
+        # 01 03 10 01 00 01
+        cmd_data = bytes([
+            slave_addr,  # 从站地址
+            0x06,  # 功能码：读取保持寄存器
+            0x10, 0x00,  # 寄存器地址：1001H（运行频率）
+            0x1B, 0x58  # 读取1个寄存器
+        ])
+
+        # 计算CRC
+        crc = self.calculate_crc(cmd_data)
+
+        # 完整指令
+        full_cmd = cmd_data + crc
+
+        print(f"发送查询指令: {full_cmd.hex().upper()}")
+
+        try:
+            # 清空输入缓冲区
+            self.ser.reset_input_buffer()
+
+            # 发送指令
+            self.ser.write(full_cmd)
+
+            # 等待响应（根据文档需要等待3.5个字节时间）
+            time.sleep(0.01)  # 约10ms延迟
+
+            # 读取响应
+            # 正常响应格式：地址(1) + 功能码(1) + 字节数(1) + 数据(2) + CRC(2) = 7字节
+            response = self.ser.read(7)
+
+            if len(response) < 7:
+                print(f"响应数据长度不足: {len(response)} 字节")
+                return None
+
+            print(f"收到响应: {response.hex().upper()}")
+
+            # 验证响应
+            if response[0] != slave_addr:
+                print(f"从站地址不匹配: 期望{slave_addr:02X}, 收到{response[0]:02X}")
+                return None
+
+            if response[1] != 0x06:
+                print(f"功能码错误: 期望03, 收到{response[1]:02X}")
+                return None
+
+            # 验证CRC
+            received_crc = response[-2:]
+            calculated_crc = self.calculate_crc(response[:-2])
+            if received_crc != calculated_crc:
+                print("CRC校验失败")
+                return None
+
+            return True
+
+        except Exception as e:
+            print(f"通信错误: {e}")
+            return None
+
+
+
+    def read_register(self, slave_addr, register_addr, register_count=1):
+        """
+        通用读取寄存器方法
+        :param slave_addr: 从站地址
+        :param register_addr: 寄存器地址（16位）
+        :param register_count: 读取的寄存器数量
+        :return: 读取的数据列表
+        """
+        if not self.ser or not self.ser.is_open:
+            print("串口未连接")
+            return None
+
+        # 构建读取指令
+        cmd_data = bytes([
+            slave_addr,  # 从站地址
+            0x03,  # 功能码：读取保持寄存器
+            (register_addr >> 8) & 0xFF,  # 寄存器地址高字节
+            register_addr & 0xFF,  # 寄存器地址低字节
+            (register_count >> 8) & 0xFF,  # 寄存器数量高字节
+            register_count & 0xFF  # 寄存器数量低字节
+        ])
+
+        # 计算CRC
+        crc = self.calculate_crc(cmd_data)
+        full_cmd = cmd_data + crc
+
+        print(f"发送读取指令: {full_cmd.hex().upper()}")
+
+        try:
+            self.ser.reset_input_buffer()
+            self.ser.write(full_cmd)
+            time.sleep(0.01)
+
+            # 计算预期响应长度
+            expected_length = 5 + 2 * register_count  # 地址1 + 功能码1 + 字节数1 + 数据2*N + CRC2
+            response = self.ser.read(expected_length)
+
+            if len(response) < expected_length:
+                print(f"响应数据长度不足: {len(response)} 字节，期望 {expected_length} 字节")
+                return None
+
+            print(f"收到响应: {response.hex().upper()}")
+
+            # 验证CRC
+            received_crc = response[-2:]
+            calculated_crc = self.calculate_crc(response[:-2])
+            if received_crc != calculated_crc:
+                print("CRC校验失败")
+                return None
+
+            # 解析数据
+            data_length = response[2]
+            data_bytes = response[3:3 + data_length]
+
+            results = []
+            for i in range(0, len(data_bytes), 2):
+                value = (data_bytes[i] << 8) | data_bytes[i + 1]
+                results.append(value)
+
+            return results
+
+        except Exception as e:
+            print(f"通信错误: {e}")
+            return None
+
+
+def main():
+    # 创建变频器对象
+    inverter = InovanceMD520(port='COM3', baudrate=9600)
+
+    # 连接串口
+    if not inverter.connect():
+        return
+
+    try:
+        while True:
+            print("\n" + "=" * 50)
+            print("汇川MD520变频器频率查询")
+            print("=" * 50)
+
+            # 设置允许频率
+            frequency = inverter.set_frequency(slave_addr=0x01, frequency=210.0)
+            if frequency is not None:
+                print(f"✅ 设置成功")
+            else:
+                print("❌ 频率设置失败")
+
+            # 查询运行频率
+            frequency = inverter.query_frequency(slave_addr=0x01)
+
+            if frequency is not None:
+                print(f"✅ 当前运行频率: {frequency:.2f} Hz")
+            else:
+                print("❌ 频率查询失败")
+
+
+
+            # 可选：读取其他监控参数
+            print("\n--- 其他监控参数 ---")
+
+            # 读取母线电压 (地址1002H)
+            voltage_data = inverter.read_register(0x01, 0x1002)
+            if voltage_data:
+                voltage = voltage_data[0] / 10.0  # 单位0.1V
+                print(f"母线电压: {voltage:.1f} V")
+
+            # 读取输出电压 (地址1003H)
+            output_voltage_data = inverter.read_register(0x01, 0x1003)
+            if output_voltage_data:
+                output_voltage = output_voltage_data[0]  # 单位1V
+                print(f"输出电压: {output_voltage} V")
+
+            # 读取输出电流 (地址1004H)
+            current_data = inverter.read_register(0x01, 0x1004)
+            if current_data:
+                current = current_data[0] / 100.0  # 单位0.01A
+                print(f"输出电流: {current:.2f} A")
+
+            # 等待5秒后再次查询
+            print("\n等待5秒后继续查询...")
+            time.sleep(5)
+
+    except KeyboardInterrupt:
+        print("\n用户中断查询")
+    finally:
+        # 断开连接
+        inverter.disconnect()
+
+
+if __name__ == "__main__":
+    main()

tests/Investor485test.py

@@ -203,7 +203,7 @@ class InovanceMD520:
 
 def main():
     # 创建变频器对象
-    inverter = InovanceMD520(port='COM4', baudrate=9600)
+    inverter = InovanceMD520(port='COM3', baudrate=9600)
 
     # 连接串口
     if not inverter.connect():

tests/test_rfid.py

@@ -3,15 +3,20 @@ RFID
 """
 import sys
 import os
+sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 import time
 from hardware.RFID.rfid_service import rfid_service
 
 
-def test_data_callback(raw_data):
+
+def test_data_callback(status,raw_data):
     """
     测试用的数据接收回调函数
     """
-    print(f"[回调] 收到RFID数据: {raw_data}")
+    if status:
+        print(f"[回调] 收到RFID数据: {raw_data}")
+    else:
+        print(f"[回调] 读取RFID数据为空或失败")
 
 
 def test_rfid_functions():
@@ -19,7 +24,7 @@ def test_rfid_functions():
     测试RFIDHardware的主要功能
     """
     # 初始化RFID控制器
-    rfid = rfid_service(host='192.168.250.67', port=6000)
+    rfid = rfid_service(host='192.168.250.77', port=6000)
     
     # print("=== RFID硬件测试开始 ===")
     
@@ -35,7 +40,7 @@ def test_rfid_functions():
         # mode_data = rfid.read_working_mode(address=0x00)
         # if mode_data:
         #     print("读取到工作模式参数:")
-        #     for key, value in mode_data.items():
+        #     for key, value in mode_data.items():.
         #         print(f"  {key}: {value:02X} ({value})")
 
         # rfid.set_working_mode(address=0x00, mode_params={
@@ -59,8 +64,8 @@ def test_rfid_functions():
         #     print("读取读写器信息失败")
         
         # 测试设置功率 (仅演示，实际使用时根据需要调整)
-        # print("\n3. 测试设置功率 (演示，不实际执行):")
-        # power_success = rfid.set_power(address=0x00, power_value=16)
+        # print("\n3. 测试设置功率:")
+        # power_success = rfid.set_power(address=0x00, power_value=26)
         # print(f"功率设置{'成功' if power_success else '失败'}")
         
         # # 测试设置读卡间隔 (仅演示)