Added pushColors() to ILI9341 library to better support the OV7670 camera

Author: rogerclarkmelbourne

STM32F1/libraries/Adafruit_ILI9341_STM/Adafruit_ILI9341_STM.cpp

@@ -386,6 +386,23 @@ void Adafruit_ILI9341_STM::pushColor(uint16_t color) {
   if (hwSPI) spi_end();
 }
 
+void Adafruit_ILI9341_STM::pushColors(void * colorBuffer, uint16_t nr_pixels, uint8_t async)
+{
+  *dcport |=  dcpinmask;
+  *csport &= ~cspinmask;
+
+  if (async==0) 
+  {
+    SPI.dmaSend(colorBuffer, nr_pixels, 1);
+	*csport |= cspinmask;
+  }
+  else
+  {
+    SPI.dmaSendAsync(colorBuffer, nr_pixels, 1);
+  }
+
+}
+
 void Adafruit_ILI9341_STM::drawPixel(int16_t x, int16_t y, uint16_t color) {
 
   if ((x < 0) || (x >= _width) || (y < 0) || (y >= _height)) return;

STM32F1/libraries/Adafruit_ILI9341_STM/Adafruit_ILI9341_STM.h

@@ -107,6 +107,7 @@ class Adafruit_ILI9341_STM : public Adafruit_GFX {
   void     begin(void),
            setAddrWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1),
            pushColor(uint16_t color),
+		   pushColors(void * colorBuffer, uint16_t nr_pixels, uint8_t async),
            fillScreen(uint16_t color),
 		   #if defined (__STM32F1__)
 		   drawLine(int16_t x0, int16_t y0,int16_t x1, int16_t y1, uint16_t color),