52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
import time
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from datetime import datetime
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recvData = bytearray() #接收的数据存放此数组
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startTime = time.time()
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# 将bytearray以字为单位转换成16进制字符串，方便显示
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def wordData2HexStr(data):
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ret = ' '.join(data[i:i+2].hex() for i in range(0, len(data), 2))
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return ret.upper()
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# 获取当前时间字符串
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def nowStr():
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now = datetime.now()
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ret = now.strftime('%H:%M:%S.') + f"{now.microsecond // 1000:03d}"
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return ret
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# 启动函数，命令开始会调用此函数
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def start():
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global tsdb
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log_i('----------------- ' + cmdInfo['name'] + ' ----------------')
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startTime = time.time() #记录启动时间
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recvData = bytearray() #清空接收数组
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attr = cmdInfo['attr']
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cmdStr = attr['data'] + "\n" #组合要发送的报文，十六进制字符串
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send(bytearray(cmdStr, encoding='utf-8'))
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log_d(f"[{nowStr()}]TX:{cmdStr}")
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return True
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# 接收数据处理函数，当收到数据会调用此函数
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def recvDataHandler(data):
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global recvData
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global tsdb,_G
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recvData = recvData + bytearray(data)
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tmpData = bytes(recvData).decode('utf-8')
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# 此函数会被重复调用，间隔10毫秒，直到finish()
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def loop():
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global recvData
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if time.time() > startTime + int(cmdInfo['attr']['rsp_timeout']) / 1000.0:
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if len(recvData) > 0:
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log_w(f"[{nowStr()}]RX timeout:{wordData2HexStr(recvData)}")
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else:
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log_w(f"[{nowStr()}]RX timeout")
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log_e(f"[{devInfo['name']}]{cmdInfo['name']} fail.")
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finish() |