131 lines
4.9 KiB
Python
131 lines
4.9 KiB
Python
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"""
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Tan mingyan
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2026/3/9
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uart 驱动示例（bus_can.py）—— 补充参考
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"""
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# midware/drivers/bus_can.py
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from midware.config.base_config import get_device_config
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from .base_driver import BaseBusDriver
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from typing import Optional, Dict, Any
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from loguru import logger
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import time
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from .base_driver import BaseBusDriver
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from .renode_agent import renode
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from midware.config.base_config import DEVICE_CONFIG_DICT
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class BusUARTDriver(BaseBusDriver):
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"""uart总线驱动实现（适配）"""
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def _init_config(self):
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self.config.setdefault("channel", 0) # CAN通道
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self.config.setdefault("baudrate", 500000) # 500kbps
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self.config.setdefault("frame_format", "standard") # 标准帧/扩展帧
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logger.info(f"UART驱动配置初始化完成：{self.config}")
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def connect(self) -> bool:
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try:
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# 实际逻辑：打开CAN通道
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time.sleep(0.05)
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self.is_connected = True
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logger.info("CAN总线连接成功")
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return True
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except Exception as e:
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logger.error(f"CAN总线连接失败：{str(e)}")
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return False
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def disconnect(self) -> bool:
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try:
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self.is_connected = False
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logger.info("CAN总线断开成功")
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return True
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except Exception as e:
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logger.error(f"CAN总线断开失败：{str(e)}")
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return False
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def send(self, data: bytes, **kwargs) -> bool:
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if not self.is_connected:
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logger.error("UART驱动未连接，发送失败")
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return False
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# 查找当前设备的配置
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# ========== 核心步骤1：从kwargs提取设备名称 ==========
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dev_name = kwargs.get("dev_name")#2026/4/10
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if not dev_name:
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logger.error("UART发送失败：kwargs中未传入dev_name（设备名称）")
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return False
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device_config = get_device_config().get(dev_name)
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if not device_config:
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logger.error(f"UART发送失败：设备 {dev_name} 未在DEVICE_CONFIG_DICT中配置")
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return False
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try:
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#frame_id = kwargs.get("frame_id", 0x123) # CAN帧ID
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#is_extended = kwargs.get("is_extended", False) # 是否扩展帧
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logger.info(
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#f"UART发送数据｜帧ID：0x{frame_id:X}｜扩展帧：{is_extended}｜"
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f"UART发送数据：{data.hex()}｜长度：{len(data)}字节"
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)
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## 外设名称+函数名+字符串参数 uart24 WriteRXFIFODataString "0xEB9000C571000827C00000BC1003190000106C02AC020101FF5716"'
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sysbus_cmd = f'{dev_name} WriteRXFIFODataString "0x{data.hex()}"'
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#sysbus_cmd = f'can_a GetTxBufferDataString'
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print(sysbus_cmd)
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logger.info(f"UART发送指令：{sysbus_cmd}")
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response = renode.send_sync(sysbus_cmd,timeout_ms=20)#2026/4/10
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#response = renode.enqueue_cmd(sysbus_cmd)#2026/6/4
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# sysbus_cmd = f'uart24 GetTXFIFODataString'
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# print(sysbus_cmd)
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# response = renode.send_sync(sysbus_cmd)#2026/4/10
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# 实际逻辑：调用UART驱动发送接口
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return True
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except Exception as e:
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logger.error(f"UART数据发送失败：{str(e)}")
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return False
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def recv(self, timeout: float = 0.1, **kwargs) -> Optional[bytes]:
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if not self.is_connected:
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logger.error("UART驱动未连接，接收失败")
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return None
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try:
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#遍历所有UART外设，循环发送读取指令：例如 adc1 ReadAllChannelsToString02
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# 模拟接收
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time.sleep(0.91)
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# mock_data = b"\x11\x22\x33\x44"
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# logger.debug(f"CAN接收数据：{mock_data.hex()}")
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#logger.info(f"CAN接收数据：")
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# return mock_data
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'''
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mock_data = b"\x11\x22\x33\x44"
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logger.debug(f"AD接收数据：{mock_data.hex()}")
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#2026/4/10
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dev_name = kwargs.get("dev_name")
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if not dev_name:
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logger.error("AD接收失败：kwargs中未传入dev_name（设备名称）")
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return None
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cfg = DEVICE_CONFIG_DICT[dev_name]
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base = int(cfg["内存基地址"], 16)
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offset = int(cfg["内存偏移地址"], 16)
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addr = base + offset
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# ======================
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# 调用 Renode 读取数据
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# ======================
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cmd = f"read 0x{addr:X}"
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hex_str = renode.send_sync(cmd)
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#return bytes.fromhex(hex_str.strip())
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logger.info(f"AD接收数据：{mock_data.hex()}")
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#return mock_data
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'''
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return None
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except Exception as e:
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logger.error(f"UART数据接收失败：{str(e)}")
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return None
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