80 lines
2.4 KiB
Arduino
80 lines
2.4 KiB
Arduino
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#define power_led 10
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byte byteRead;
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char myChar ;
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void setup()
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{
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pinMode(power_led, OUTPUT);
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digitalWrite(power_led, LOW);
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Serial.begin(115200);
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// set the data rate for the SoftwareSerial port
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Serial1.begin(38400); //default rate of bluetooth RN4020 is 115200, we changed it for more reliable data over Software serial
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//There's a good chance you might need to run the commands the first time by setting this to 115200 since that is default
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/*
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Initialize Bluetooth Baud to lower speed for Software Serial
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Serial1.begin(115200); //default rate of bluetooth RN4020 is 115200,
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delay(500);
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Serial1.println("SB,0"); // 0 = 2400 Baud 1 = 9600 baud 2= 19200 baud 4 = 115200 baud (default)
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delay(500);
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Serial1.println("R,1"); //Reboot
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delay(1000);
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*/
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//Always nice to let it chill a bit
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delay(1000);
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//BLUETOOTH SETUP
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//Initialize BT RN4020
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Serial1.println("SB,3");// Serial Baudrate 38400
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delay(500);
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//Set as central or as a peripheral device
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//Serial1.println("SR,20000000"); //Set device in peripheral mode and set turn on auto advertising
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Serial1.println("SR,80004000");// Set device as central, support MLDP and enable y Apple Bueetooth
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delay(500);
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Serial1.println("SS,20000000");// Set device as Heart Rate
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delay(500);
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Serial1.println("ST,0064,0002,0064");// Set the interval to 125 ms, latency to 2, and time-out to 1 second
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delay(500);
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//Change the name that's displayed, this is always a good first thing to check in your debugging
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Serial1.println("S-,HYBRID");
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delay(500);
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//Reboot the sucker to make the changes stick. the light should turn off when you reboot (also good for debugging)
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Serial1.println("R,1"); //Reboot
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delay(2000);
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//Make the device show up on scanners
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Serial1.println("A"); //Start advertising
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delay(500);
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//List all the details about the Buetooth device (what it's connected to, it's Mac address, etc.
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Serial1.println("D"); //Get details of the RN4020 chip's current status
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}
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void loop()
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{
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//This code below will let everything on your arduino's Software Serial talk to the hardware serial
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//So you can see it all through
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while (Serial1.available()) {
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myChar = Serial1.read();
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Serial.print(myChar);
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}
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// delay(500); // wait for a second
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while (Serial.available()) {
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myChar = Serial.read();
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Serial1.print(myChar);
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}
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}
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