/******************************************************************************!
* \file oled-message.cpp
* \author Sebastien Beaugrand
* \sa http://beaugrand.chez.com/
* \copyright CeCILL 2.1 Free Software license
******************************************************************************/
#include "mraa/i2c.h"
#include "ssd1306.hpp"
#define DEVICE_ADDRESS 0x3C
int main(int argc, char* argv[])
{
if (argc != 4 && argc != 1) {
return 1;
}
int bus = 0;
mraa_i2c_context i2c = mraa_i2c_init(bus);
if (i2c == NULL) {
bus = 1;
i2c = mraa_i2c_init(bus);
}
if (i2c == NULL) {
return 1;
}
mraa_i2c_stop(i2c);
upm::SSD1306 lcd(bus, DEVICE_ADDRESS);
lcd.clear();
if (argc == 1) {
return 0;
}
int x = atoi(argv[2]);
int y = atoi(argv[3]);
lcd.dim(true);
lcd.setCursor(y, x);
lcd.write(argv[1]);
return 0;
}