Made c string parameter const to allow passing of string literal w/o warnings. Removed trailing whitespace

Brent Wilkins · Brent Wilkins · commit aeb5fcd281cb · 2017-02-13T15:56:23.000-07:00
diff --git a/src/SevSeg.cpp b/src/SevSeg.cpp
@@ -186,7 +186,7 @@ void SevSeg::SetBrightness(byte percentBright)
 //Each digit is displayed for ~2000us, and cycles through the 4 digits
 //After running through the 4 numbers, the display is turned off
 //Will turn the display on for a given amount of time - this helps control brightness
-void SevSeg::DisplayString(char* toDisplay, byte DecAposColon)
+void SevSeg::DisplayString(const char* toDisplay, byte DecAposColon)
 {
 	//For the purpose of this code, digit = 1 is the left most digit, digit = 4 is the right most digit
 	for(byte digit = 1 ; digit < (numberOfDigits+1) ; digit++)
diff --git a/src/SevSeg.h b/src/SevSeg.h
@@ -19,7 +19,7 @@
 
 // framePeriod controls the length of time between display refreshes
 // It's also closely linked to the brightness setting
-#define FRAMEPERIOD 2000 
+#define FRAMEPERIOD 2000
 //Total amount of time (in microseconds) for the display frame. 1,000us is roughly 1000Hz update rate
 //A framePeriod of:
 //5000 is flickery
@@ -168,8 +168,8 @@ class SevSeg {
   SevSeg();
 
   //Public Functions
-  void DisplayString(char*, byte);
-//  void NewNumber(int number_in, byte DecPlace_in); 
+  void DisplayString(const char*, byte);
+//  void NewNumber(int number_in, byte DecPlace_in);
   void Begin(boolean mode_in, byte numOfDigits, byte digit1, byte digit2, byte digit3, byte digit4, byte segment1, byte segment2, byte segment3, byte segment4, byte segment5, byte segment6, byte segment7, byte segmentDP);
   void Begin(boolean mode_in, byte numOfDigits, byte digit1, byte digit2, byte digit3, byte digit4, byte digitColon, byte digitApostrophe, byte segment1, byte segment2, byte segment3, byte segment4, byte segment5, byte segment6, byte segment7, byte segmentDP, byte segmentColon, byte segmentApostrophe);
   void SetBrightness(byte percentBright);
@@ -187,9 +187,9 @@ class SevSeg {
   byte digit1, digit2, digit3, digit4;
   byte digitApostrophe, digitColon, segmentApostrophe, segmentColon;
   byte segmentA, segmentB, segmentC, segmentD, segmentE, segmentF, segmentG, segmentDP;
-  
+
   byte numberOfDigits;
-  
+
   unsigned int brightnessDelay;
 
   byte DigitPins[4];

Original file line number	Diff line number	Diff line change
`@@ -186,7 +186,7 @@ void SevSeg::SetBrightness(byte percentBright)`
`186`	`186`	`//Each digit is displayed for ~2000us, and cycles through the 4 digits`
`187`	`187`	`//After running through the 4 numbers, the display is turned off`
`188`	`188`	`//Will turn the display on for a given amount of time - this helps control brightness`
`189`		`-void SevSeg::DisplayString(char* toDisplay, byte DecAposColon)`
	`189`	`+void SevSeg::DisplayString(const char* toDisplay, byte DecAposColon)`
`190`	`190`	`{`
`191`	`191`	`//For the purpose of this code, digit = 1 is the left most digit, digit = 4 is the right most digit`
`192`	`192`	`for(byte digit = 1 ; digit < (numberOfDigits+1) ; digit++)`