[driver] Ili9241: Add drawRaw() method

modm-io · Apr 3, 2021 · c8d6378 · c8d6378
1 parent 68bd35a
commit c8d6378
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Showing 2 changed files with 19 additions and 0 deletions.
diff --git a/src/modm/driver/display/ili9341.hpp b/src/modm/driver/display/ili9341.hpp
@@ -251,6 +251,9 @@ class Ili9341 : public Interface, public modm::GraphicDisplay
 				 uint16_t width, uint16_t height,
 				 modm::accessor::Flash<uint8_t> data) override;
 
+	virtual void
+	drawRaw(glcd::Point upperLeft, uint16_t width, uint16_t height, glcd::Color* data);
+
 	void
 	setScrollArea(uint16_t topFixedRows, uint16_t bottomFixedRows, uint16_t firstRow);
 	void

diff --git a/src/modm/driver/display/ili9341_impl.hpp b/src/modm/driver/display/ili9341_impl.hpp
@@ -350,6 +350,22 @@ Ili9341<Interface, Reset, Backlight, BufferSize>::drawImageRaw(glcd::Point upper
 	}
 }
 
+template <class Interface, class Reset, class Backlight, std::size_t BufferSize>
+void
+Ili9341<Interface, Reset, Backlight, BufferSize>::drawRaw(glcd::Point upperLeft,
+		uint16_t width, uint16_t height, glcd::Color* data)
+{
+	BatchHandle h(*this);
+
+	uint16_t* buffer = (uint16_t*)data;
+	for(size_t i = 0; i < uint16_t(width*height); i++) {
+		buffer[i] = modm::fromBigEndian(buffer[i]);
+	}
+
+	setClipping(upperLeft.getX(), upperLeft.getY(), width, height);
+	this->writeData((uint8_t*)buffer, width * height * 2);
+}
+
 template <class Interface, class Reset, class Backlight, std::size_t BufferSize>
 void
 Ili9341<Interface, Reset, Backlight, BufferSize>::setScrollArea(