Commit 040109e1 authored by Birte Kristina Friesel's avatar Birte Kristina Friesel
Browse files

ssd1306: Add setContrast and setInvert methods

parent f7e8fced

include/driver/ssd1306.h

+3 −1
Original line number Diff line number Diff line
@@ -56,7 +56,7 @@ class SSD1306 { 
			SSD1306_SET_DISP_CLK_DIV, 0x80,

			SSD1306_SET_PRECHARGE, 0xf1,

			SSD1306_SET_VCOM_DESEL, 0x30,

			SSD1306_SET_CONTRAST, 0xff,

			SSD1306_SET_CONTRAST, 0x7f,

			SSD1306_SET_ENTIRE_ON,

			SSD1306_SET_NORM_INV,

			SSD1306_SET_CHARGE_PUMP, 0x14,
@@ -70,6 +70,8 @@ class SSD1306 { 
		SSD1306() {}



		void init();

		void setContrast(unsigned char contrast);

		void setInvert(bool invert);

		void showImage(unsigned char* data, uint16_t length);

};

src/driver/ssd1306.cc

+11 −0
Original line number Diff line number Diff line
@@ -30,6 +30,17 @@ void SSD1306::init() 
	}

}



void SSD1306::setContrast(unsigned char contrast)

{

	writeCommand(SSD1306_SET_CONTRAST);

	writeCommand(contrast);

}



void SSD1306::setInvert(bool invert)

{

	writeCommand(SSD1306_SET_NORM_INV | invert);

}



void SSD1306::showImage(unsigned char* data, uint16_t length)

{

	uint8_t i;