Diff: RN41.cpp

Revision:

0:796e127c0dd1

diff -r 000000000000 -r 796e127c0dd1 RN41.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RN41.cpp	Wed Oct 28 15:48:39 2015 +0000
@@ -0,0 +1,208 @@
+#include "RN41.h"
+#include <string>
+
+RN41::RN41(PinName tx, PinName rx) : _RN41(tx, rx){
+    _baud = 115200;
+    _RN41.baud(_baud);
+    _commandMode = false;
+}
+
+//Resets The Device
+//Also Exits Command Mode
+//Device Must Be Reset After A Config Change To Take Effect
+bool RN41::reset(){
+    enterCommandMode();
+    sendString("R,1\r\n");
+    if(getString() == "Reboot!\r\n"){
+        _commandMode = false;
+        return true;
+    }else{
+        return false;
+    }
+}
+
+//Sets Device Name
+//Maximum 20 characters
+bool RN41::setDeviceName(string name){
+    enterCommandMode();
+    sendString("SN," + name + "\r\n");
+    if(getString() == "AOK\r\n"){
+        reset();
+        return true;
+    }else{
+        return false;
+    }
+}
+
+//Set Authentication Mode
+//Available Modes:
+//0 - Open Mode
+//1 - SSP Keyboard I/O Mode
+//2 - SSP "Just Works" Mode
+//4 - Pin Code
+//Default Mode: 1
+bool RN41::setAuthenticationMode(int authMode){
+    enterCommandMode();
+    if(authMode < 0 or authMode > 4 or authMode == 3){
+        return false;
+    }
+    char buf[1];
+    sprintf(buf,"SA,%d\r\n", authMode);
+    string msg = buf;
+    sendString(msg);
+    if(getString() == "AOK\r\n"){
+        reset();
+        return true;
+    }else{
+        return false;
+    }
+}
+
+//Sets Device Mode
+//Available Modes:
+//0 - Slave Mode
+//1 - Master Mode
+//2 - Trigger Mode
+//3 - Auto-Connect Master Mode
+//4 - Auto-Connect DTR Mode
+//5 - Auto-Connect Any Mode
+//6 - Pairing Mode
+//Default Mode: 4
+bool RN41::setMode(int mode){
+    enterCommandMode();
+    if(mode < 0 or mode > 6){
+        return false;
+    }
+    char buf[1];
+    sprintf(buf,"SM,%d\r\n", mode);
+    string msg = buf;
+    sendString(msg);
+    if(getString() == "AOK\r\n"){
+        reset();
+        return true;
+    }else{
+        return false;
+    }
+}
+
+//Gets Bluetooth Address
+//returns the 12 didgite MAC ID
+string RN41::getBluetoothAddress(){
+    enterCommandMode();
+    sendString("GB\r\n");
+    string result = getString();
+    string address = result.substr(0, result.length() - 2);
+    exitCommandMode();
+    return address;
+}
+
+//Gets Connection Status
+//0,0,0 = Not Connected
+//1,0,0 = Connected
+bool RN41::getConnectionStatus(){
+    enterCommandMode();
+    sendString("GK\r\n");
+    if(getString() == "1,0,0\r\n"){
+        exitCommandMode();
+        return true;
+    }else{
+        exitCommandMode();
+        return false;
+    }
+}
+
+//Get The Device's Firmware Version
+string RN41::getFirmwareVersion(){
+    enterCommandMode();
+    sendString("V\r\n");
+    string version = getString();
+    exitCommandMode();
+    return version;
+}
+
+bool RN41::sendMessage(string message, char terminationChar){
+    if(_commandMode){return false;}
+    string msg = message + terminationChar;
+    _RN41.printf("%s", msg);
+    return true;
+}
+
+string RN41::recieveMessage(char terminationChar){
+    return getString(terminationChar);
+    if(_commandMode){return "*ERROR*";}
+}
+
+//Private Functions Below
+
+//Enter Command Mode
+bool RN41::enterCommandMode(){
+    if(_commandMode == true){
+        return true;
+    }
+    sendString("$$$");
+    if(getString() == "CMD\r\n"){
+        _commandMode = true;
+        return true;
+    }else{
+        return false;
+    }
+}
+
+//Exit Command Mode
+bool RN41::exitCommandMode(){
+    if(_commandMode == false){
+        return true;
+    }
+    sendString("---\r\n");
+    if(getString() == "END\r\n"){
+        _commandMode = false;
+        return true;
+    }else{
+        return false;
+    }
+}
+
+void RN41::sendString(string msg){
+    _RN41.printf("%s",msg);
+}
+
+bool RN41::readable(){
+    if(_RN41.readable()){return true;}else{return false;}
+}
+
+string RN41::getString(){
+    string msg = "";
+    char prev = ' ';
+    char curr = ' ';
+    while(1){
+        if(_RN41.readable()){
+            prev = curr;
+            curr = getChar();
+            msg += curr;
+            if(prev=='\r' and curr=='\n'){
+                break;
+            }
+        }
+    }
+    
+    return msg;
+}
+
+string RN41::getString(char terminationChar){
+    string msg = "";
+    char curr = ' ';
+    while(1){
+        if(_RN41.readable()){
+            curr = getChar();
+            msg += curr;
+            if(curr == terminationChar){
+                break;
+            }
+        }
+    }
+    return msg;
+}
+
+char RN41::getChar(){
+    return _RN41.getc();
+}
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