重构代码, 提取设备对象;

2024-04-19 16:53:36 +08:00
parent 281e1b04a8
commit cef5d074f6
3 changed files with 209 additions and 161 deletions
--- a/source/dev_Lamina.py
+++ b/source/dev_Lamina.py
@@ -0,0 +1,173 @@
+import time
+from pathlib import Path
+from serial import Serial
+from utl import trans_list_to_str
+from func_frame import make_frame_dlt645, check_frame_dlt645
+
+class LaminaAdapter:
+    def __init__(self, com_name="COM16", addr_645=[0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA], addr_modbus=0x01):
+        # 初始化串口通信
+        if com_name is not None:
+            self.com = Serial(com_name, baudrate=115200, parity='N', timeout=2)
+        else:
+            self.com =None
+
+        # 设置645协议地址
+        self.addr_645 = addr_645
+        # 设置Modbus地址
+        self.addr_modbus = addr_modbus
+
+    def frame_read(self, daddr=0x60, dlen=0x50):
+        block_modbus = {
+            'addr_dev' : self.addr_modbus,
+            'data_addr' : daddr,
+            'data_len' : dlen,
+            'type' : 'read',
+        }
+        block_dlt645 = {
+            'addr' : self.addr_645,
+            'type' : 'modbus',
+            'data' : block_modbus,
+        }
+        frame = make_frame_dlt645(block_dlt645)
+
+        if self.com is None:
+            print(trans_list_to_str(frame))
+            return
+        
+        self.com.read_all()
+        self.com.write(bytearray(frame))
+        time.sleep(0.5)
+        frame_recv = self.com.read_all()
+        output_text = check_frame_dlt645(frame_recv, block=block_dlt645)
+        print(output_text)
+
+    def frame_write_one(self, daddr=0x85, dval=-900):
+        block_modbus = {
+            'addr_dev' : self.addr_modbus,
+            'data_addr' : daddr,
+            'data_val' : dval,
+            'type' : 'write_one',
+        }
+        block_dlt645 = {
+            'addr' : self.addr_645,
+            'type' : 'modbus',
+            'data' : block_modbus,
+        }
+        frame = make_frame_dlt645(block_dlt645)
+        if self.com is None:
+            print(trans_list_to_str(frame))
+            return
+        
+        self.com.write(bytearray(frame))
+
+    def frame_write_dual(self, daddr=0x91, dval=600):
+        block_modbus = {
+            'addr_dev' : self.addr_modbus,
+            'data_addr' : daddr,
+            'data_val' : dval,
+            'type' : 'write_dual',
+        }
+        block_dlt645 = {
+            'addr' : self.addr_645,
+            'type' : 'modbus',
+            'data' : block_modbus,
+        }
+        frame = make_frame_dlt645(block_dlt645)
+        if self.com is None:
+            print(trans_list_to_str(frame))
+            return
+        
+        self.com.write(bytearray(frame))
+
+    def frame_write_str(self, daddr=0x82, dval=[0x06, 0x05, 0x04, 0x03, 0x02, 0x01]):
+        block_modbus = {
+            'addr_dev' : self.addr_modbus,
+            'data_addr' : daddr,
+            'data_val' : dval,
+            'type' : 'write_str',
+        }
+        block_dlt645 = {
+            'addr' : self.addr_645,
+            'type' : 'modbus',
+            'data' : block_modbus,
+        }
+        frame = make_frame_dlt645(block_dlt645)
+        if self.com is None:
+            print(trans_list_to_str(frame))
+            return
+        
+        self.com.write(bytearray(frame))
+
+    def frame_update(self, path_bin):
+        """ 程序升级 """
+        block_modbus = {
+            'addr_dev' : self.addr_modbus,
+            'type' : 'update',
+            'step' : 'start',
+            'index' : 0,
+            'file' : Path(path_bin).read_bytes(),
+            'header_offset': 128,
+        }
+        block_dlt645 = {
+            'addr' : self.addr_645,
+            'type' : 'modbus',
+            'data' : block_modbus,
+        }
+        # 启动帧
+        frame_master = bytearray(make_frame_dlt645(block_dlt645))
+
+        # 等待擦除完成返回
+        try_times = 3000
+        self.com.read_all()
+        while try_times:
+            time.sleep(0.4)
+            self.com.write(frame_master)
+            frame_slave = self.com.read_all()
+            if not frame_slave:
+                try_times -= 1
+                continue
+            
+            block_dlt645["data"]['file_block_size'] = check_frame_dlt645(frame_slave, block_dlt645)
+            break
+
+        if block_dlt645["data"]['file_block_size'] == 0:
+            raise Exception("Error slave response.")
+
+        # 避免接收到延迟返回报文
+        time.sleep(0.4)
+
+        # 文件传输
+        block_dlt645["data"]['step'] = 'trans'
+        data_remain = len(block_dlt645["data"]['file']) - block_dlt645['data']['header_offset']
+        while data_remain > 0:
+            frame_master = bytearray(make_frame_dlt645(block_dlt645))
+
+            self.com.read_all()
+            self.com.write(frame_master)
+            time.sleep(0.2)
+            frame_slave = None
+            while not frame_slave:
+                frame_slave = self.com.read_all()
+            check_frame_dlt645(frame_slave, block_dlt645)
+            
+            block_dlt645["data"]['index'] += 1
+            data_remain -= block_dlt645["data"]['file_block_size']
+
+        # 结束升级
+        block_dlt645["data"]['step'] = 'end'
+        frame_master = bytearray(make_frame_dlt645(block_dlt645))
+
+        self.com.read_all()
+        self.com.write(frame_master)
+        time.sleep(0.1)
+        frame_slave = None
+        while not frame_slave:
+            frame_slave = self.com.read_all()
+        check_frame_dlt645(frame_slave[:18], block_dlt645)
+
+if __name__=='__main__':
+    dev_lamina = LaminaAdapter()
+
+    dev_lamina.frame_read(0x0100, 0x20)
+