/**
** Main program
*/
int main(void) {
// initIO();
// Initialize the LCD
ssd1289 lcd;
lcdInitialize(&lcd);
uint8_t red = 255;;
uint8_t green = 255;
uint8_t blue = 255;
while (1) {
red = red == 255 ? 0 : 255;
green = green == 255 ? 0 : 255;
blue = blue == 255 ? 0 : 255;
red = random();
green = random();
blue = random();
for (uint16_t x = 0; x < 240; x++) {
for (uint16_t y = 0; y < 320; y++) {
lcd.setPixel(x, y, red, green, blue);
}
}
}
return 0; // never reached
}
int main(void)
{
// VARIABLES
int16_t dsValue; // value actualy get from sensor
char lcdText[2][17];
int32_t actualTemp;
int32_t lastTemp; // value after filtering, without dividing, for trend derminination
int16_t sampleCounter; // counts samples, for tren derminination
uint8_t trend;
// INITIALIZATIONS
usartInitialization(9600);
log("Usart initialized\n");
lcdInitialize();
log("Lcd initialized\n");
lcdDisplayOn();
log("Lcd display on\n");
dsInitialize(&PORTB,1<<PB2);
log("Ds initialized\n");
dsSetResolution(NULL,bit12);
log("Ds resolution is set\n");
dsInitializeMovingAverageFilter();
log("dsInitializeMovingAverageFilter\n");
sampleCounter = 0;
trend = DS_TREND_UNDEFINED;
while(1)
{
// start conversion
if(FALSE==dsStartConversion(NULL))
{
errorLcdlog;
}
// wait until sample ready
if( dsWaitForConversionEnd() == FALSE)
{
errorLcdlog;
}
// read temperature
if(dsReadTemperature(NULL,&dsValue)==FALSE)
{
errorLcdlog;
}
// filter value
actualTemp = dsInsertSample(dsValue);
// increase sample counter for trend determining
sampleCounter++;
if(sampleCounter==DS_TREND_PERIOD)
{
sampleCounter = 0;
// determine trend
if(lastTemp == -200)
{
lastTemp = actualTemp;
}
else if(lastTemp<actualTemp)
{
trend = DS_TREND_RISING;
}
else if(lastTemp>actualTemp)
{
trend = DS_TREND_FALLING;
}
else
{
//trend = DS_TREND_STAGNATING;
}
lastTemp = actualTemp;
}
// write temperature to th firsth row, other places fill with gap
//temperatureToString(lcdText[0],actualTemp);
sprintf(lcdText[0],"Temp: %d",actualTemp/16/25);
memset(lcdText[strlen(lcdText[0])],' ',16-strlen(lcdText[0]));
lcdText[0][16] = 0;
// fill second row with trend
switch(trend)
{
case DS_TREND_FALLING:
strcpy(lcdText[1],"Trend: falling ");
break;
case DS_TREND_RISING:
strcpy(lcdText[1],"Trend: rising ");
break;
case DS_TREND_STAGNATING:
strcpy(lcdText[1],"Trend: no change");
break;
case DS_TREND_UNDEFINED:
strcpy(lcdText[1]," ");
break;
default:
errorLcdlog;
}
// write lcd
lcdGotoXY(0,0);
lcdWrite(lcdText[0]);
lcdGotoXY(0,1);
lcdWrite(lcdText[1]);
log(lcdText[0]);
log(lcdText[1]);
}
return 0;
}