Change dither buffer location to PSRAM

Author: JosipKuci

src/graphics/Image/Image.cpp

@@ -18,15 +18,17 @@
 #include "Inkplate.h"
 #ifndef USE_COLOR_IMAGE
 #include "Image.h"
-#include "TJpeg/TJpg_Decoder.h"
+#include "../TJpeg/TJpg_Decoder.h"
 #include "pgmspace.h"
 
 
 Image *_imagePtrJpeg = nullptr;
 Image *_imagePtrPng = nullptr;
 
-uint8_t (*Image::ditherBuffer)[E_INK_WIDTH + 20] = nullptr;
-uint8_t (*Image::jpegDitherBuffer)[18] = nullptr;
+//uint8_t (*Image::ditherBuffer)[E_INK_WIDTH + 20] = nullptr;
+__attribute__((section(".ext_ram.bss")))uint8_t Image::ditherBuffer[2][E_INK_WIDTH + 20];
+__attribute__((section(".ext_ram.bss")))uint8_t Image::jpegDitherBuffer[18][18];
+//uint8_t (*Image::jpegDitherBuffer)[18] = nullptr;
 uint8_t *Image::pixelBuffer = nullptr; 
 uint32_t *Image::ditherPalette = nullptr; 
 uint8_t *Image::palette = nullptr; 
@@ -38,10 +40,10 @@ void Image::begin(Inkplate *inkplateptr)
     _imagePtrPng = this;
 
 
-jpegDitherBuffer = (uint8_t (*)[18])heap_caps_calloc(18, 18, MALLOC_CAP_SPIRAM);
+//jpegDitherBuffer = (uint8_t (*)[18])heap_caps_calloc(18, 18, MALLOC_CAP_SPIRAM);
 
 
-ditherBuffer = (uint8_t (*)[E_INK_WIDTH + 20])heap_caps_calloc(2, (E_INK_WIDTH + 20), MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
+//ditherBuffer = (uint8_t (*)[E_INK_WIDTH + 20])heap_caps_calloc(2, (E_INK_WIDTH + 20), MALLOC_CAP_SPIRAM);
 
 
 pixelBuffer = (uint8_t *)heap_caps_calloc(1, (E_INK_WIDTH * 4 + 5), MALLOC_CAP_SPIRAM);

src/graphics/Image/Image.h

@@ -117,8 +117,8 @@ class Image
   private:
 
     static uint8_t  *pixelBuffer;
-    static uint8_t  (*jpegDitherBuffer)[18];
-    static uint8_t  (*ditherBuffer)[E_INK_WIDTH + 20];
+    static uint8_t  jpegDitherBuffer[18][18];
+    static uint8_t  ditherBuffer[2][E_INK_WIDTH + 20];
     static uint32_t*  ditherPalette; // 8 bit colors, in color, 3x8 bit colors
     static uint8_t*  palette;        // 2 3 bit colors per byte, _###_###