flush()
描述
删除所有未读的简讯内容。
flush()
是从 Stream
继承而来。
语法
SMS.flush()
参数
无参数
回传
无回传值
范例
/* SMS receiver 监控是否有收到简讯,收到简讯时把简讯内容输出到序列埠监控视窗 Circuit: * GSM shield created 25 Feb 2012 by Javier Zorzano / TD This example is in the public domain. */ // 函式库 #include <GSM.h> // PIN 码 #define PINNUMBER "" // 初始化 GSM 函式库 GSM gsmAccess; // include a 'true' parameter for debug enabled GSM_SMS sms; // 用来存放电话号码的字元阵列 char remoteNumber[20]; void setup() { // 初始化 Serial Serial.begin(9600); Serial.println("SMS Messages Receiver"); // 连线状态 boolean notConnected = true; // 启动 Arduino GSM shield,如果你的 SIM 卡有 PIN 码,请当作 begin() 的参数 while(notConnected) { if(gsmAccess.begin(PINNUMBER)==GSM_READY) notConnected = false; else { Serial.println("Not connected"); delay(1000); } } Serial.println("GSM initialized"); Serial.println("Waiting for messages"); } void loop() { char c; // 检查是否有未读的简讯 if (sms.available()) { Serial.println("Message received from:"); // 取得传送简讯的电话号码 sms.remoteNumber(remoteNumber, 20); Serial.println(remoteNumber); // 这是一个删除简讯的范例,在这裡把开头为 # 的简讯删除 if(sms.peek()=='#') { Serial.println("Discarded SMS"); sms.flush(); } // 读取简讯内容并输出到序列埠监控视窗 while(c=sms.read()) Serial.print(c); Serial.println("\nEND OF MESSAGE"); // 删除简讯 sms.flush(); Serial.println("MESSAGE DELETED"); } delay(1000); }
See also
- GSM_SMS
- beginSMS()
- ready()
- endSMS()
- available()
- remoteNumber()
- read()
- write()
- print()
- peek()
The text of the 86Duino reference is a modification of the Arduino reference, and is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.