如何使用基于HM-10蓝牙模块的BLE Shield？
我是arduino项目的新bie。我想请你帮个忙。我从( http://imall.iteadstudio.com/development-platform/arduino/shields/im130704001.html )为阿杜伊诺买了一个BLE盾牌。他们使用Hm-10蓝牙模块(http://www.jnhuamao.cn/bluetooth.asp?ID=1)制作了这个盾牌。Itead Studio没有使用此屏蔽的示例代码。我不知道如何编程，也不知道如何从Arduino发送AT命令。
我阅读了数据表(ftp://imall.iteadstudio.com/Shield/IM130704001_ITEAD_BLE_Shield/DS_IM130704001_ITEAD_BLE_Shield.pdf)中的"AT命令“，并尝试使用此代码( http://arduino.cc/en/Reference/SoftwareSerial )将”at命令“从arduino发送到BLE，但我只收到了返回的命令。
这里有人用过这个HM-10蓝牙模块吗？
我需要一些arduino素描来帮助我！
回答 3
Stack Overflow用户
发布于 2016-02-05 07:33:00
#include <SoftwareSerial.h>
int led = 13;
int bluetoothTx = 2;
int bluetoothRx = 3;
SoftwareSerial bluetooth(bluetoothTx, bluetoothRx);
int baudrate[8] ={4800,9600,14400,19200,28800,38400,57600,115200};
int i = 1;
void setup() {
Serial.begin(9600);
bluetooth.begin(9600);
while(!Serial){}
Serial.write("AT sent");
delay(500);
bluetooth.write("AT+NAME?");
delay(500);
while (bluetooth.available()) {
Serial.write(bluetooth.read());
}
delay(100);
Serial.println("");
bluetooth.write("AT+POWE3");
delay(500);
while(bluetooth.available())
{
Serial.write(bluetooth.read());
}
delay(100);
Serial.println("");
delay(500);
bluetooth.write("AT+CHAR?");
delay(500);
while (bluetooth.available()) {
Serial.write(bluetooth.read());
}
delay(100);
Serial.println("");
delay(500);
bluetooth.write("AT+NAMEFlightline"); //Check Status
delay(500);
while (bluetooth.available()) {
Serial.write((char)bluetooth.read());
}
Serial.println("");
bluetooth.write("AT+CHAR0x2901"); //add charicteristic
delay(500);
while (bluetooth.available()) {
Serial.write(bluetooth.read());
}
Serial.println("");
bluetooth.write("AT+RELI0");
delay(500);
while (bluetooth.available()) {
Serial.write(bluetooth.read());
}
Serial.println("");
bluetooth.write("AT+SHOW1");
delay(100);
while (bluetooth.available()) {
Serial.write(bluetooth.read());
}
Serial.println("");
pinMode(led,OUTPUT);
digitalWrite(led,HIGH);
}
void testAllBaudRates(){
for(int j=0; j<8; j++)
{
bluetooth.begin(baudrate[j]);
delay(100);
Serial.println("boud rate " + String(baudrate[j],DEC) +" i-> "+String(j,DEC));
// Serial.println("");
bluetooth.write("AT");
delay(500);
while (bluetooth.available()) {
Serial.write(bluetooth.read());
Serial.println();
}
delay(100);
}
}
// and now a few blinks of the LED,
// so that we know the program is running
void loop()
{
//Read from bluetooth and write to usb serial
while(bluetooth.available())
{
char toSend = (char)bluetooth.read();
if(toSend == 'x'){
digitalWrite(led,HIGH);
Serial.println("set high");
bluetooth.write("RXOK");
}else if(toSend == 'y'){
digitalWrite(led,LOW);
Serial.println("set low");
bluetooth.write("RXOK");
}
Serial.print(toSend);
}
//Read from usb serial to bluetooth
while(Serial.available())
{
char toSend = (char)Serial.read();
bluetooth.write(toSend);
Serial.print(toSend);
}
}看看我上面的草图，我有几件事要指出，我在上面浪费了时间。
确保你有一句台词
while(!Serial){}或者，您可能得到了一个工作的盾牌，但错过了响应，因为串行监视器还没有准备好。
请记住，如果蓝牙模块连接到设备，则不会收到来自串行监视器的命令的响应。当指示灯停止闪烁时，它将连接到设备。
如果您运行此草图，应该会得到以下输出
AT sent
OK+Set:3
OK+Get:0x2901 <- this may be blank the first time you run it
OK+Set:Flightline
OK+Set:0x2901
OK+Set:0
OK+Set:1可在此处找到最全面的AT命令列表
[All the AT commands and a good explanation][1]您需要像我在这里所做的那样，检查设备的特征
bluetooth.write("AT+CHAR?");或者你会发现它可以连接到iOS和安卓
如果你正在连接Android，请使用BluetoothLE类，而不是蓝牙类。
Stack Overflow用户
发布于 2015-10-04 15:34:31
您可以使用波特率自动检测this sketch来控制您的HM-10。这是Apploader project的一部分，允许通过BLE上传到Arduino板。
Stack Overflow用户
发布于 2014-03-05 14:28:46
这也有点晚了，但尝试以下代码，如果你发送"AT“，它应该会给你返回一个"OK"：
#include <SoftwareSerial.h>
int bluetoothTx = 2; // TX-O pin of bluetooth mate, Arduino D2
int bluetoothRx = 3; // RX-I pin of bluetooth mate, Arduino D3
SoftwareSerial bluetooth(bluetoothTx, bluetoothRx);
void setup()
{
Serial.begin(9600); // Begin the serial monitor at 9600bps
bluetooth.begin(115200); // The Bluetooth Mate defaults to 115200bps
delay(100); // Short delay, wait for the Mate to send back CMD
bluetooth.println("U,9600,N"); // Temporarily Change the baudrate to 9600, no parity
// 115200 can be too fast at times for NewSoftSerial to relay the data reliably
bluetooth.begin(9600); // Start bluetooth serial at 9600
}
void loop()
{
if(bluetooth.available()) // If the bluetooth sent any characters
{
// Send any characters the bluetooth prints to the serial monitor
Serial.print((char)bluetooth.read());
}
if(Serial.available()) // If stuff was typed in the serial monitor
{
// Send any characters the Serial monitor prints to the bluetooth
bluetooth.print((char)Serial.read());
}
// and loop forever and ever!
}https://stackoverflow.com/questions/19826749
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