CDMA 猫用AT命令发中文短信(C#)
CDMA 猫用AT命令发中文短信(C#)
CDMA猫连PDU都不支持,只能发文本短信。而且发中文短信居然是UNICODE,无法在超级终端里输入。只能写程序。网上这个问题谈论地比较多,做起来比较累,还偶尔会出乱码。还是将C#的成功代码帖一下吧。
[c-sharp] view plaincopyprint?
- void SendCHNSms(string content,string phone)
- {
- //中文CDMA发送,UNICODE编码字节 </SPAN>
- byte[] b = Encoding.BigEndianUnicode.GetBytes(content); </SPAN>
- //CDMA的AT命令手机号码前面不能加86,否则虽然显示成功发送,但短信中心回应错误代码5 </SPAN>
- if(phone.IndexOf("86")==0) </SPAN>
- {
- phone = phone.Substring(2);
- }
- //假设是COM3口 </SPAN>
- SerialPort sp = new SerialPort("com3"); </SPAN>
- //和GSM猫不同,波特率是115200,这个问题困扰了很久的说 </SPAN>
- sp.BaudRate = 115200;
- sp.Open();
- //设置中文短信 </SPAN>
- sp.Write("AT+WSCL=6,4/r"); </SPAN>
- Thread.Sleep(500);
- //设置文本格式短信 </SPAN>
- sp.Write("AT+CMGF=1/r"); </SPAN>
- Thread.Sleep(500);
- //设置发送的号码和发送内容字节长度 </SPAN>
- sp.Write("AT+CMGS=/"" + phone + "/"," + b.Length + "/r"); </SPAN>
- Thread.Sleep(500);
- //写入 </SPAN>
- sp.Write(b, 0, b.Length);
- Thread.Sleep(500);
- //写入CTRL+Z结束短信内容,注意在UNICODE模式下需要两个字节,这个也是不能在超级终端下操作的原因 </SPAN>
- byte[] b2 = new byte[] { 0x00, 0x1a }; </SPAN>
- sp.Write(b2, 0, b2.Length);
- sp.Close();
- }
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