at_csq.java

自己实现的基于串口通讯发送短消息的低层协议JAVA代码

package com.jzl.sirius.at.command;

import java.nio.CharBuffer;

import com.jzl.sirius.at.ATConstants;
import com.jzl.sirius.at.util.StringMatch;
import com.jzl.sirius.at.util.StringUtils;

/**
 * @author xujian
 * @version 2.0
 * @see com.jzl.sirius.at.ATCommand
 * @see com.jzl.sirius.at.command.ATCommandBase
 */
public class AT_CSQ extends ATCommandBase {
	private int rssi;
	private int ber;
	
    public AT_CSQ() {
        super(new StringMatch(ATConstants.CRLF + "+CSQ:"));
    }
    
	public int getBer() {
		return ber;
	}

	public int getRssi() {
		return rssi;
	}
    
    public String buildCommand() {
        return "AT+CSQ" + ATConstants.CR;
    }
	
    protected void decodeOkResponse(CharBuffer response) {
		
		// format:<CR><LF>+CSQ: <rssi>,<ber><CR><LF><CR><LF>OK<CR><LF>
		String str = response.toString();
		str = StringUtils.substring(str, "+CSQ:", ATConstants.CRLF).trim();
		String[] arry = str.split(",");
		if (arry.length >= 2) {
			rssi = Integer.parseInt(arry[0].trim());
			ber  = Integer.parseInt(arry[1].trim());
		}
		
	}

}