dennisdebel / ArduinoCD - Files

sample.c
//
// oled test program
// Written by Larry Bank
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "ss_oled.h"

SSOLED ssoled; // data structure for OLED object
unsigned char ucBackBuf[1024];

int main(int argc, char *argv[])
{
int i, iChannel;
int iOLEDAddr = -1; // typical address; it can also be 0x3d
int iOLEDType = OLED_128x64; // Change this for your specific display
int bFlip = 1, bInvert = 0;

	i = -1;
	iChannel = -1;
	while (i != 0 && iChannel < 2) // try I2C channel 0 through 2
	{
		iChannel++;
		i=oledInit(&ssoled, iOLEDType, iOLEDAddr, bFlip, bInvert, 1, iChannel, iOLEDAddr, -1, 400000);
	}
	if (i != OLED_NOT_FOUND)
	{
                char *msgs[] = {(char *)"SSD1306 @ 0x3C", (char *)"SSD1306 @ 0x3D",(char *)"SH1106 @ 0x3C",(char *)"SH1106 @ 0x3D"};
		printf("Successfully opened I2C bus %d\n", iChannel);
                oledSetBackBuffer(&ssoled, ucBackBuf);
		oledFill(&ssoled, 0,1); // fill with black
                oledWriteString(&ssoled, 0,0,0, msgs[i], FONT_NORMAL,0,1);
		oledWriteString(&ssoled, 0,0,1,"SS_OLED Library!",FONT_NORMAL,0,1);
		oledWriteString(&ssoled, 0,3,2,"BIG!",FONT_LARGE,0,1);
		oledWriteString(&ssoled, 0,0,5,"Small", FONT_SMALL,0,1);
		for (i=0; i<64; i++)
		{
			oledSetPixel(&ssoled, i, 16+i, 1, 1);
			oledSetPixel(&ssoled, 127-i, 16+i, 1, 1);
		}
		printf("Press ENTER to quit\n");
		getchar();
		oledPower(&ssoled, 0);
	}
	else
	{
		printf("Unable to initialize I2C bus 0-2, please check your connections and verify the device address by typing 'i2cdetect -y <channel>\n");
	}
   return 0;
} /* main() */