scbc_repos/ssat_sdk/utils/serial_TG39BX1.py

# -*- coding: UTF-8 -*-
import serial
from ssat_sdk.utils.AbnormalClient import abnormal_client

class Serial_TG39BX1():
    def __init__(self, port):
        self.ser = serial.Serial()
        self.ser.port = port
        self.ser.baudrate=9600
        self.ser.bytesize=8
        self.ser.parity=serial.PARITY_NONE
        self.ser.stopbits=1     # TG39BX1_91200093076-1E.pdf stopbits=2 错误，实际上 stopbits=1

    def open(self):
        self.ser.open()
        if self.ser.is_open == True :
            print  "%s : Open Success" % self.ser.port
            print self.ser.get_settings()
            print "rts=" + str(self.ser.rts)
            print "cts=" + str(self.ser.cts)
        else:
            print "%s : Open Fail" % self.ser.port

    def writeCmd(self, cmdstr):
        try:
            len = self.ser.write(cmdstr + b"\r")  # 注意后面要回车键(\r),命令才会发送出去执行
            print "Sending cmd:" + cmdstr + " len=" + str(len)
        except Exception,e:
            abnormal_client.sendAbnormal('ATV', str(e))
            
    def readResult(self):
        """
        If the result is normal, "OK" will be output.
            OK [CR][LF]                     In the normal case
        If the result is an error, the following message will be output.
            ERROR COMMAND [CR][LF]          In the case of a command error
            ERROR PARAMETER [CR][LF]        In the case of a paremeter error
            ERROR [CR][LF]                  In the case of an error processing the command
        """
        try:
            result = self.ser.readline()
            print "Cmd result :" + result
            return result
        except Exception,e:
            abnormal_client.sendAbnormal('ATV', str(e))

    def execmd(self, cmdstr):
        self.writeCmd(cmdstr)
        result = self.readResult()
        return result

    def close(self):
        self.ser.close()
        if self.ser.is_open == False:
            print "%s :Close Success" % self.ser.port
        else :
            print "%s :Close Fail" % self.ser.port

    def __del__(self):
        if self.ser.is_open == True:
            self.ser.close()


#  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
if __name__ == "__main__":
    ser = Serial_TG39BX1("COM6")

    ser.open()



    ser.execmd("VSIGCB 1")
    ser.execmd("VSIGCB 2")
    ser.execmd("VSIGCB 3")


    ser.close()