Question

我正在尝试创建ble扫描仪，但只希望显示设备地址

设备地址是输出中:-0之前的12个字符。在下面显示的代码中，我尝试通过12个字节的列表运行输出，并停止在:-0处记录数据的列表，因此它将在此之前记录12个字节

#include <SoftwareSerial.h>

String inputTXT;

SoftwareSerial mySerial(10, 11); // RX, TX  

const byte numChars = 32;
char receivedChars[numChars];   // an array to store the received data

boolean newData = false;

void setup() {  
  Serial.begin(9600);

  mySerial.begin(9600);

  //setup
  mySerial.write("AT");
  delay(100);
  mySerial.write("AT+ROLE1"); // Master mode
  delay(100);
  mySerial.write("AT+IMME1"); //wait for a connection command before connecting 
  delay(100);
  mySerial.write("AT+RESET");
  delay(50);

}
  void recvWithEndMarker() {
    static byte ndx = 0;
    char endMarker = ":-0";
    char rc;

    while (Serial.available() > 0 && newData == false) {
        rc = Serial.read();

        if (rc != endMarker) {
            receivedChars[ndx] = rc;
            ndx++;
            if (ndx >= numChars) {
                ndx = numChars - 1;
            }
        }
        else {
            receivedChars[ndx] = '\0'; // terminate the string
            ndx = 0;
            newData = true;
        }
    }
}

void showNewData() {
    if (newData == true) {
        Serial.print("This just in ... ");
        Serial.println(receivedChars);
        newData = false;
    }}

void loop() {  

  delay(3000);

  mySerial.write("AT+DISI?");

  recvWithEndMarker(); //Put in at end
  showNewData();

  if (mySerial.available()) {
    inputTXT = mySerial.readString();

    Serial.println(inputTXT);

   // inputTXT = ""; 

  }

}

串行输出是这样的：

OK+DISCEOK+DISISOK+DISC:00000000:00000000000000000000000000000000:0000000000:6DB9F38898FF:-081OK+DISC:00000000:00000000000000000000000000000000:0000000000:485E425C5B3A:-075OK+DISC:00000000:00000000000000000000000000000000:0000000000:4CAA0DE091B7:-069OK+DISC:00000000:00000000000000000000000000000000:0000000000:38F9D379C9E5:-070OK+DISC:00000000:00000000000000000000000000000000:0000000000:47C4C908CFB4:-073OK+DISC:
OK+DISCEOK+DISISOK+DISC:00000000:00000000000000000000000000000000:0000000000:485E425C5B3A:-060OK+DISC:00000000:00000000000000000000000000000000:0000000000:47C4C908CFB4:-066OK+DISC:00000000:00000000000000000000000000000000:0000000000:38F9D379C9E5:-071OK+DISC:00000000:00000000000000000000000000000000:0000000000:4CAA0DE091B7:-069OK+DISC:00000000:00000000000000000000000000000000:0000000000:6DB9F38898FF:-077OK+DISC:
OK+DISC:00000000:00000000000000000000000000000000:0000000000:DFOK+DISISOK+DISC:00000000:00000000000000000000000000000000:0000000000:DF12A8020D32:-051OK+DISC:00000000:00000000000000000000000000000000:0000000000:38F9D379C9E5:-069OK+DISC:00000000:00000000000000000000000000000000:0000000000:485E425C5B3A:-063OK+DISC:00000000:00000000000000000000000000000000:0000000000:47C4C908CFB4:-082OK+DISC:00000000:00000000000000
OK+DISCEOK+DISISOK+DISC:00000000:00000000000000000000000000000000:0000000000:38F9D379C9E5:-069OK+DISC:00000000:00000000000000000000000000000000:0000000000:47C4C908CFB4:-067OK+DISC:00000000:00000000000000000000000000000000:0000000000:DF12A8020D32:-051OK+DISC:00000000:00000000000000000000000000000000:0000000000:485E425C5B3A:-065OK+DISC:00000000:00000000000000000000000000000000:0000000000:6DB9F38898FF:-078OK+DISC:

我编写的代码似乎并没有影响输出，我是在正确的位置获取输出，例如：DF12A8020D32 38F9D379C9E5

对此，任何帮助将不胜感激！

分割串行输出以仅接收某些字符

0 个答案: