psram for sprites is now optional (default enabled)

Author: tobozo

src/utility/Sprite.cpp

@@ -107,7 +107,7 @@ void* TFT_eSprite::callocSprite(int16_t w, int16_t h, uint8_t frames)
   {
 
 #if defined (ESP32) && defined (CONFIG_SPIRAM_SUPPORT)
-    if ( psramFound() ) ptr8 = ( uint8_t*) ps_calloc(w * h + 1, sizeof(uint16_t));
+    if ( psramFound() && _usePsram ) ptr8 = ( uint8_t*) ps_calloc(w * h + 1, sizeof(uint16_t));
     else
 #endif
     ptr8 = ( uint8_t*) calloc(w * h + 1, sizeof(uint16_t));
@@ -116,7 +116,7 @@ void* TFT_eSprite::callocSprite(int16_t w, int16_t h, uint8_t frames)
   else if (_bpp == 8)
   {
 #if defined (ESP32) && defined (CONFIG_SPIRAM_SUPPORT)
-    if ( psramFound() ) ptr8 = ( uint8_t*) ps_calloc(w * h + 1, sizeof(uint8_t));
+    if ( psramFound() && _usePsram) ptr8 = ( uint8_t*) ps_calloc(w * h + 1, sizeof(uint8_t));
     else
 #endif
     ptr8 = ( uint8_t*) calloc(w * h + 1, sizeof(uint8_t));
@@ -135,7 +135,7 @@ void* TFT_eSprite::callocSprite(int16_t w, int16_t h, uint8_t frames)
     if (frames > 2) frames = 2; // Currently restricted to 2 frame buffers
     if (frames < 1) frames = 1;
 #if defined (ESP32) && defined (CONFIG_SPIRAM_SUPPORT)
-    if ( psramFound() ) ptr8 = ( uint8_t*) ps_calloc(frames * (w>>3) * h + frames, sizeof(uint8_t));
+    if ( psramFound() && _usePsram) ptr8 = ( uint8_t*) ps_calloc(frames * (w>>3) * h + frames, sizeof(uint8_t));
     else
 #endif
     ptr8 = ( uint8_t*) calloc(frames * (w>>3) * h + frames, sizeof(uint8_t));
@@ -227,6 +227,17 @@ void TFT_eSprite::deleteSprite(void)
 }
 
 
+
+/***************************************************************************************
+** Function name:           setPsram
+** Description:             Disable psRam (only if applicable)
+*************************************************************************************x*/
+void TFT_eSprite::setPsram( bool enabled ) {
+  _usePsram = enabled;
+}
+
+
+
 /***************************************************************************************
 ** Function name:           setPivot
 ** Description:             Set the pivot point in this Sprite

src/utility/Sprite.h

@@ -109,6 +109,7 @@ class TFT_eSprite : public TFT_eSPI {
   void     printToSprite(String string);
   void     printToSprite(char *cbuffer, uint16_t len);
   int16_t  printToSprite(int16_t x, int16_t y, uint16_t index);
+  void     setPsram( bool enabled );
 
  private:
 
@@ -130,6 +131,7 @@ class TFT_eSprite : public TFT_eSPI {
 
   bool     _created;    // A Sprite has been created and memory reserved
   bool     _gFont = false; 
+  bool     _usePsram = true; // use Psram if available
 
 //  int32_t  _icursor_x, _icursor_y;
   uint8_t  _rotation = 0;