first commit

MicroView.cpp

@@ -0,0 +1,137 @@
+#include <avr/pgmspace.h>
+#include <MicroView.h>
+#include <SPI.h>
+
+void MICROVIEW::begin() {
+	// SPI
+	SPI.setClockDivider(SPI_CLOCK_DIV2); 
+	SPI.begin();
+	pinMode(MOSI, OUTPUT);
+	pinMode(SCK, OUTPUT);
+	pinMode(DC, OUTPUT);
+	pinMode(RESET, OUTPUT);
+	pinMode(cs, OUTPUT);
+	digitalWrite(cs, HIGH);
+	
+	sckport     = portOutputRegister(digitalPinToPort(SCK));
+	sckpinmask  = digitalPinToBitMask(SCK);
+	mosiport    = portOutputRegister(digitalPinToPort(MOSI));
+	mosipinmask = digitalPinToBitMask(MOSI);
+	csport      = portOutputRegister(digitalPinToPort(cs));
+	cspinmask   = digitalPinToBitMask(cs);
+	dcport      = portOutputRegister(digitalPinToPort(DC));
+	dcpinmask   = digitalPinToBitMask(DC);
+	
+	digitalWrite(RESET, HIGH);
+	// VDD (3.3V) goes high at start, lets just chill for a ms
+	delay(1);
+	// bring reset low
+	digitalWrite(RESET, LOW);
+	// wait 10ms
+	delay(10);
+	// bring out of reset
+	digitalWrite(RESET, HIGH);
+	// turn on VCC 
+	// Init sequence for 64x48 OLED module
+	command(DISPLAYOFF);			// 0xAE
+
+	command(SETDISPLAYCLOCKDIV);	// 0xD5
+	command(0x80);					// the suggested ratio 0x80
+
+	command(SETMULTIPLEX);			// 0xA8
+	command(0x2F);
+
+	command(SETDISPLAYOFFSET);		// 0xD3
+	command(0x0);					// no offset
+
+	command(SETSTARTLINE | 0x0);	// line #0
+
+	command(CHARGEPUMP);			// enable charge pump
+	command(0x14);
+
+	command(NORMALDISPLAY);			// 0xA6
+	command(DISPLAYALLONRESUME);	// 0xA4
+
+
+//	command(MEMORYMODE);			// 0x20 
+//	command(0x00);					// Horizontal Memory Addressing mode
+
+	command(SEGREMAP | 0x1);
+
+	command(COMSCANDEC);
+
+	command(SETCOMPINS);			// 0xDA
+	command(0x12);
+
+	command(SETCONTRAST);			// 0x81
+	command(0x8F);
+
+	command(SETPRECHARGE);			// 0xd9
+	command(0xF1);
+	
+	command(SETVCOMDESELECT);			// 0xDB
+	command(0x40);
+
+	command(DISPLAYON);				//--turn on oled panel
+}
+
+void MICROVIEW::command(uint8_t c) {
+	// Hardware SPI
+	*csport |= cspinmask;	// CS HIGH
+	*dcport &= ~dcpinmask;	// DC LOW
+	*csport &= ~cspinmask;	// CS LOW
+	SPI.transfer(c);
+	*csport |= cspinmask;	// CS HIGH
+}
+
+void MICROVIEW::data(uint8_t c) {
+	// Hardware SPI
+	*csport |= cspinmask;	// CS HIGH
+	*dcport |= dcpinmask;	// DC HIGH
+	*csport &= ~cspinmask;	// CS LOW
+	SPI.transfer(c);
+	*csport |= cspinmask;	// CS HIGH
+}
+
+void MICROVIEW::setPageAddress(uint8_t add) {
+	add=0xb0|add;
+	command(add);
+	return;
+}
+
+void MICROVIEW::setColumnAddress(uint8_t add) {
+	command((0x10|(add>>4))+0x02);
+	command((0x0f&add));
+	return;
+}
+
+void MICROVIEW::clear(void) {
+	for (int i=0;i<8; i++) {
+		setPageAddress(i);
+		setColumnAddress(0);
+		for (int j=0; j<0x80; j++) {
+			data(0);
+		}
+	}
+}
+
+void MICROVIEW::stopScroll(void){
+	command(DEACTIVATESCROLL);
+}
+
+void MICROVIEW::scrollRight(uint8_t start, uint8_t stop){
+	if (stop<start)		// stop must be larger or equal to start
+		return;
+	stopScroll();		// need to disable scrolling before starting to avoid memory corrupt
+	command(RIGHTHORIZONTALSCROLL);
+	command(0x00);
+	command(start);
+	command(0x7);		// scroll speed frames , TODO
+	command(stop);
+	command(0x00);
+	command(0xFF);
+	command(ACTIVATESCROLL);
+}
+
+
+