Autonom robotväckarklocka med trådlös basstation - KTH

}
_delay_ms(200);
send_spi(DISP_START_LINE);
send_spi(ADC_SET);
send_spi(COM_OUT_MODE);
send_spi(DISP_NORM);
send_spi(LCD_BIAS);
send_spi(PWR_CTRL);
send_spi(BOOST1);
send_spi(BOOST2);
_delay_ms(200);
send_spi(CONTRAST1);
send_spi(CONTRAST2);
send_spi(CONTRAST3);
send_spi(INDICATOR1);
send_spi(INDICATOR2);
send_spi(DISP_ON);
DISABLE; // CS high, disable display
void clear_disp(){
}
ENABLE;
uint8_t page;
for (page = 0; page < 8; page++){
COMMAND;
send_spi(0xB0 + page);
send_spi(0x10); // column adress of 4 MSB
send_spi(0x00); // column adress of 4 LSB
uint8_t column;
for (column = 0; column < 128; column++){
DATA;
send_spi(0x00);
}
}
DISABLE;
// x = 0-127, y = 0-7
void goto_xy(char xcol, char ypage)
{
char set[] = {0xB0, 0x10, 0x00};
set[0] = set[0] + ypage;
set[2] = set[2] + (xcol & 0x0F);
set[1] = set[1] + (xcol >> 4);
COMMAND;