CI extern

Author: BlitzCityDIY

GemmaM0_Band_Jacket/DiscoBandCamp/DiscoBandCamp.ino

@@ -42,6 +42,7 @@
 #include "utils.h"
 #include "effects.h"
 #include "buttons.h"
+extern XYMap myXYMap;
 
 // list of Functions:
 functionList effectList[] = {SolidRed,    //all pixels solid red

GemmaM0_Band_Jacket/DiscoBandCamp/XYmap.h

@@ -23,6 +23,9 @@
 //  XY(x,y) takes x and y coordinates and returns an LED index number,
 //  for use like this:  leds[ XY(x,y) ] == CRGB::Red;
 
+#ifndef XYMAP_H
+#define XYMAP_H
+
 #include <FastLED.h>
 
 // Parameters for width and height
@@ -31,7 +34,7 @@ const uint8_t kMatrixHeight = 8;
 const uint8_t kBorderWidth = 2; //for swirly
 
 #define NUM_LEDS (kMatrixWidth * kMatrixHeight)
-CRGB leds[ NUM_LEDS ];
+extern CRGB leds[ NUM_LEDS ];
 
 // This function will return the right 'led index number' for 
 // a given set of X and Y coordinates on DiscoBandCamp
@@ -82,6 +85,7 @@ uint16_t XY(uint16_t x, uint16_t y, uint16_t width, uint16_t height)
   uint8_t j = JacketTable[i];
   return j;
 }
+#endif
 
 // Instantiate an XYMap object
 XYMap myXYMap = XYMap::constructWithUserFunction(kMatrixWidth, kMatrixHeight, XY);

GemmaM0_Band_Jacket/DiscoBandCamp/effects.h

@@ -4,7 +4,7 @@
 
 //   Selection of effects from the FastLED library & Macetech RGB Shades
 #include "XYmap.h"
-
+extern XYMap myXYMap;
 //  Triple Sine Waves
 void threeSine() {
 

GemmaM0_Band_Jacket/DiscoBandCamp/utils.h

@@ -1,9 +1,9 @@
 // SPDX-FileCopyrightText: 2019 Anne Barela for Adafruit Industries
 //
 // SPDX-License-Identifier: MIT
-
-// Assorted useful functions and variables
 #include "XYmap.h"
+extern XYMap myXYMap;
+// Assorted useful functions and variables
 // Global variables
 boolean effectInit = false;   // indicates if a pattern has been recently switched
 uint16_t effectDelay = 0;   // time between automatic effect changes