RN42

BluetoothClassic Module.
SPP and HID profile can be used.

wired(obniz, {tx, rx})

RN42 require 3.3v supply. You should supply stable 3.3v to RN42.

// Javascript Example
var rn42 = obniz.wired("RN42", {tx: 1, rx:2}); // io1 is tx to RN42, io2 is rx from RN42

rn42.config({
  display_name: "obniz",
  master_slave: "slave",
  profile: "HID",
  auth: "just-work",
  power: 16,
})

rn42.onreceive = function(data, text) {
  console.log(text);
}
$("#send").click(function(){
  rn42.send("Hello")
})

send(data)

send data via UART to RN42.

// Javascript Example
var rn42 = obniz.wired("RN42", {tx: 1, rx:2});
rn42.send("Hello")

onreceive(data, text)

received data from RN42 via UART. This callback has same arguments with uart.onreceive()

// Javascript Example
var rn42 = obniz.wired("RN42", {tx: 1, rx:2});
rn42.onreceive = function(data, text) {
  console.log(text);
}

config(json)

set configuration to rn42 and reboot it.

// Javascript Example
var rn42 = obniz.wired("RN42", {tx: 1, rx:2});
rn42.config({
  display_name: "obniz",
  master_slave: "slave",
  profile: "HID",
  auth: "just-work",
  power: 16,
})

available configurations

display_name

Bluetooth devicename.

master_slave

Bluetooth mode.

1. "slave"
2. "master"
3. "trigger"
4. "auto-connect-master"
5. "auto-connect-dtr"
6. "auto-connect-any", "pairing"]

profile

Bluetooth Protocol Profile

1. "SPP"
2. "DUN-DCE"
3. "DUN-DTE"
4. "MDM-SPP"
5. "SPP-DUN-DCE"
6. "APL"
7. "HID"

auth

authentication on connection

1. "open"
2. "ssp-keyboard"
3. "just-work"
4. "pincode"

power

tx maximum power in dbm

1. 16
2. 12
3. 8
4. 4
5. 0
6. -4
7. -8

hid_flag

HID flag. switching keyboard/mouse etc.

enterCommandMode()

force rn42 to command mode.

// Javascript Example
var rn42 = obniz.wired("RN42", {tx: 1, rx:2});
rn42.enterCommandMode();
rn42.sendCommand("SM,0");

sendCommand(data)

send a text with "\n" tail and freezing 100msec after command sent.

// Javascript Example
var rn42 = obniz.wired("RN42", {tx: 1, rx:2});
rn42.enterCommandMode();
rn42.sendCommand("SM,0");

config_get_setting()

send get basic setting from rn42

// Javascript Example
var rn42 = obniz.wired("RN42", {tx: 1, rx:2});
rn42.onreceive = function(data, text) {
  console.log(text);
}
rn42.enterCommandMode();
rn42.config_get_setting();

config_get_extendSetting()

send get basic setting from rn42

// Javascript Example
var rn42 = obniz.wired("RN42", {tx: 1, rx:2});
rn42.onreceive = function(data, text) {
  console.log(text);
}
rn42.enterCommandMode();
rn42.config_get_setting();