Merge pull request #17 from fingolfin/tweaks

Various minor improvements and cleanups

RCSwitch.h

@@ -31,7 +31,7 @@
 #if defined(ARDUINO) && ARDUINO >= 100
     #include "Arduino.h"
 #elif defined(ENERGIA) // LaunchPad, FraunchPad and StellarPad specific
-    #include "Energia.h"	
+    #include "Energia.h"
 #else
     #include "WProgram.h"
 #endif
@@ -47,12 +47,6 @@
 // We can handle up to (unsigned long) => 32 bit * 2 H/L changes per bit + 2 for sync
 #define RCSWITCH_MAX_CHANGES 67
 
-#define PROTOCOL3_SYNC_FACTOR   71
-#define PROTOCOL3_0_HIGH_CYCLES  4
-#define PROTOCOL3_0_LOW_CYCLES  11
-#define PROTOCOL3_1_HIGH_CYCLES  9
-#define PROTOCOL3_1_LOW_CYCLES   6
-
 class RCSwitch {
 
   public:
@@ -60,18 +54,18 @@ class RCSwitch {
     
     void switchOn(int nGroupNumber, int nSwitchNumber);
     void switchOff(int nGroupNumber, int nSwitchNumber);
-    void switchOn(char* sGroup, int nSwitchNumber);
-    void switchOff(char* sGroup, int nSwitchNumber);
+    void switchOn(const char* sGroup, int nSwitchNumber);
+    void switchOff(const char* sGroup, int nSwitchNumber);
     void switchOn(char sFamily, int nGroup, int nDevice);
     void switchOff(char sFamily, int nGroup, int nDevice);
-    void switchOn(char* sGroup, char* sDevice);
-    void switchOff(char* sGroup, char* sDevice);
+    void switchOn(const char* sGroup, const char* sDevice);
+    void switchOff(const char* sGroup, const char* sDevice);
     void switchOn(char sGroup, int nDevice);
     void switchOff(char sGroup, int nDevice);
 
-    void sendTriState(char* Code);
+    void sendTriState(const char* Code);
     void send(unsigned long Code, unsigned int length);
-    void send(char* Code);
+    void send(const char* Code);
     
     #if not defined( RCSwitchDisableReceiving )
     void enableReceive(int interrupt);
@@ -99,8 +93,8 @@ class RCSwitch {
   
   private:
     char* getCodeWordB(int nGroupNumber, int nSwitchNumber, boolean bStatus);
-    char* getCodeWordA(char* sGroup, int nSwitchNumber, boolean bStatus);
-    char* getCodeWordA(char* sGroup, char* sDevice, boolean bStatus);
+    char* getCodeWordA(const char* sGroup, int nSwitchNumber, boolean bStatus);
+    char* getCodeWordA(const char* sGroup, const char* sDevice, boolean bStatus);
     char* getCodeWordC(char sFamily, int nGroup, int nDevice, boolean bStatus);
     char* getCodeWordD(char group, int nDevice, boolean bStatus);
     void sendT0();