重构移动utils文件夹

drivers/baseSerail.py

@@ -0,0 +1,117 @@
+# -*- coding: UTF-8 -*-
+import serial
+import time
+import binascii
+
+# CRC16矩阵表;
+CRC_TABLE = [
+    0x0000, 0x1021, 0x2042, 0x3063,
+    0x4084, 0x50A5, 0x60C6, 0x70E7,
+    0x8108, 0x9129, 0xA14A, 0xB16B,
+    0xC18C, 0xD1AD, 0xE1CE, 0xF1EF ]
+
+
+# 计算CRC16值;
+def crc16(bys, bysLen):
+    uwCRC, ucTemp = 0xFFFF, 0x00
+    index = 0
+    while index < bysLen:
+        ucTemp = (uwCRC >> 0x0C) & 0xFF
+        uwCRC <<= 4
+        uwCRC ^= CRC_TABLE[ucTemp ^ ((bys[index]) >> 0x04)]
+        uwCRC &= 0xFFFF
+        ucTemp = (uwCRC >> 0x0C) & 0xFF
+        uwCRC <<= 4
+        uwCRC ^= CRC_TABLE[ucTemp ^ (bys[index] & 0x0F)]
+        uwCRC &= 0xFFFF
+        index += 1
+    return uwCRC
+
+def convert_rgb16(rgb16_values):
+    data = bytearray()
+    for value in rgb16_values:
+        high_byte = (value & 0xFF00) >> 8
+        low_byte = value & 0x00FF
+        
+        data.append(high_byte)
+        data.append(low_byte)
+
+    return data
+
+class BaseSerial():
+    def __init__(self):
+        self.exception = None
+        self.ser = serial.Serial()
+
+    def open(self, port, baudrate=115200, bytesize=8, parity=serial.PARITY_NONE, stopbits=1, timeout=3,
+             writeTimeout=3):
+        if type(port) == type(0):
+            self.ser.port = "COM" + str(port)
+        else:
+            self.ser.port = port
+        # 波特率;
+        self.ser.baudrate = baudrate
+        # 数据位;
+        self.ser.bytesize = bytesize
+        # 校验码;
+        self.ser.parity = parity  # PARITY_NONE=0
+        # 停止位;
+        self.ser.stopbits = stopbits
+        # 串口读超时值
+        self.ser.timeout = timeout
+        # 串口写超时值
+        self.ser.write_timeout = writeTimeout
+        try:
+            self.ser.open()
+            return self.ser.is_open
+        except Exception as e:
+            self.exception = e
+            print('打开串口异常', str(e))
+            return False
+
+    def reOpen(self):
+        self.exception = None
+        self.ser.close()
+        try:
+            self.ser.open()
+            return self.ser.is_open
+        except Exception as e:
+            self.exception = e
+            return False
+
+    def close(self):
+        self.ser.close()
+
+    def write(self, cmd: bytearray):
+        try:
+            self.exception = None
+            writelen = self.ser.write(cmd)
+            self.ser.flush()
+            # print("writehex:" + str(binascii.b2a_hex(cmd)) + " writelen=" + str(writelen))
+            return True if writelen == len(cmd) else False
+        except Exception as e:
+            self.exception = e
+            print('写串口异常', str(e))
+            return False
+
+    def read(self, size=0):
+        try:
+            self.exception = None
+            bys = self.ser.read(1)
+            for i in range(0, 3):
+                while self.ser.in_waiting > 0:
+                    d = self.ser.read(1)
+                    bys = bys + d
+                time.sleep(0.01)
+
+            if bys.__len__() < size:
+                time.sleep(0.1)
+                if self.ser.in_waiting > 0:
+                    d = self.ser.read(self.ser.in_waiting)
+                    bys = bys + d
+            # print("readhex:" + str(binascii.hexlify(bys)) + " readlen=" + str(bys.__len__()))
+            return bys
+        except Exception as e:
+            self.exception = e
+            print('读串口异常', str(e))
+            return None