From 4b8cde7b3b007db8d9070d89bff98f61a325b534 Mon Sep 17 00:00:00 2001
From: Sam Martin <broccoliboy@gmail.com>
Date: Sat, 12 Dec 2020 07:58:25 -0600
Subject: [PATCH] added CanShow function to fix build errors

---
 usermods/esp32_multistrip/NpbWrapper.h | 46 +++++++++++++++++++++++++-
 1 file changed, 45 insertions(+), 1 deletion(-)

diff --git a/usermods/esp32_multistrip/NpbWrapper.h b/usermods/esp32_multistrip/NpbWrapper.h
index e468e46e..84cf8ac0 100644
--- a/usermods/esp32_multistrip/NpbWrapper.h
+++ b/usermods/esp32_multistrip/NpbWrapper.h
@@ -149,7 +149,6 @@ public:
 
   void Show()
   {
-    byte b;
     switch (_type)
     {
       case NeoPixelType_Grb:
@@ -191,6 +190,51 @@ public:
     }
   }
 
+  bool CanShow()
+  {
+    bool canShow = true;
+    switch (_type)
+    {
+      case NeoPixelType_Grb:
+      {
+        for (uint8_t idx = 0; idx < numStrips; idx++)
+        {
+          switch (idx)
+          {
+            case 0: canShow &= pGrb0->CanShow(); break;
+            case 1: canShow &= pGrb1->CanShow(); break;
+            case 2: canShow &= pGrb2->CanShow(); break;
+            case 3: canShow &= pGrb3->CanShow(); break;
+            case 4: canShow &= pGrb4->CanShow(); break;
+            case 5: canShow &= pGrb5->CanShow(); break;
+            case 6: canShow &= pGrb6->CanShow(); break;
+            case 7: canShow &= pGrb7->CanShow(); break;
+          }
+        }
+        break;
+      }
+      case NeoPixelType_Grbw:
+      {
+        for (uint8_t idx = 0; idx < numStrips; idx++)
+        {
+          switch (idx)
+          {
+            case 0: canShow &= pGrbw0->CanShow(); break;
+            case 1: canShow &= pGrbw1->CanShow(); break;
+            case 2: canShow &= pGrbw2->CanShow(); break;
+            case 3: canShow &= pGrbw3->CanShow(); break;
+            case 4: canShow &= pGrbw4->CanShow(); break;
+            case 5: canShow &= pGrbw5->CanShow(); break;
+            case 6: canShow &= pGrbw6->CanShow(); break;
+            case 7: canShow &= pGrbw7->CanShow(); break;
+          }
+        }
+        break;
+      }
+    }
+    return canShow;
+  }
+
   void SetPixelColorRaw(uint16_t indexPixel, RgbwColor c)
   {
     // figure out which strip this pixel index is on