void dispatch()
/* Set up a connection to database and dispatch control
* based on hgpDo type var. */
{
struct sqlConnection *conn = sqlConnect(visiDb);
if (cartVarExists(cart, hgpDoThumbnails))
doThumbnails(conn);
else if (cartVarExists(cart, hgpDoImage))
doImage(conn);
else if (cartVarExists(cart, hgpDoProbe))
doProbe(conn);
else if (cartVarExists(cart, hgpDoControls))
doControls(conn);
else if (cartVarExists(cart, hgpDoId))
doId(conn);
#ifdef SOON
else if (cartVarExists(cart, hgpDoConfig))
configPage(conn);
#endif /* SOON */
else if (cartVarExists(cart, hgpDoSearch))
doDefault(conn, TRUE);
else
{
char *oldListSpec = hashFindVal(oldCart, hgpListSpec);
char *newListSpec = cartOptionalString(cart, hgpListSpec);
boolean isNew = differentStringNullOk(oldListSpec, newListSpec);
doDefault(conn, isNew);
}
cartRemovePrefix(cart, hgpDoPrefix);
}
int main(void)
{
initRTC();
initControls();
initLCD();
initValve();
// timer0 is being used as a global 'heartbeat'
// i.e. for blinking in the LCD
// and for running a temperature check at regular intervals
TCCR0A = (1<<CS02)|(1<<CS00); // timer clock = system clock / 1024
TIFR0 = (1<<TOV0); // clear pending interrupts
TIMSK0 = (1<<TOIE0); // enable timer0 overflow Interrupt
sei(); // Enable Global Interrupts
// start a probe run to find the "fully open" and "fully closed" positions
doProbe();
// initialize the NTC sensor and start the 1st measurement
// consequent measurements will be done every tick
initTemp();
runstate = NORMAL_STATE;
while (1)
{
if( adcTemp < targetTemp && valvestate != VALVE_OPEN )
{
openValve();
}
else if( valvestate != VALVE_CLOSED )
{
closeValve();
}
if( menuButtonPressed() )
{
switch( runstate )
{
case NORMAL_STATE :
runstate = MENU_STATE;
break;
default :
runstate = NORMAL_STATE;
break;
}
} // end if( menuButtonPressed )
if( timeButtonPressed() )
{
switch( runstate )
{
case NORMAL_STATE :
runstate = TIMESET_STATE;
timesetphase = TIMESET_START;
_delay_ms( 500 );
// show time with hours blinking
timesetphase = TIMESET_YEAR;
break;
default :
runstate = NORMAL_STATE;
break;
}
} // end if( timeButtonPressed )
if( okButtonPressed() )
{
switch( runstate )
{
case MENU_STATE :
switch( mainmenu )
{
case TEMP :
runstate = TEMPSET_STATE;
break;
case TIME :
runstate = TIMESET_STATE;
timesetphase = TIMESET_START;
_delay_ms( 500 );
// show time with hours blinking
timesetphase = TIMESET_YEAR;
break;
default:
break;
}
break;
case TEMPSET_STATE :
runstate = MENU_STATE;
break;
case TIMESET_STATE :
switch( timesetphase )
{
case TIMESET_YEAR :
timesetphase = TIMESET_MONTH;
break;
case TIMESET_MONTH :
timesetphase = TIMESET_DATE;
break;
case TIMESET_DATE :
timesetphase = TIMESET_HOURS;
break;
case TIMESET_HOURS :
timesetphase = TIMESET_MINUTES;
break;
case TIMESET_MINUTES :
timesetphase = TIMESET_YEAR;
break;
default :
break;
}
break;
default :
break;
}
} // end if( okButtonPressed )
ROTARYBUTTON rotaryButton = readRotaryButton();
if( rotaryButton == ROTARY_UP )
{
switch( runstate )
{
case NORMAL_STATE :
case MENU_STATE :
mainmenu++;
if( mainmenu == LAST_ITEM )
mainmenu = 0;
break;
case TIMESET_STATE :
increaseClock( timesetphase );
break;
case TEMPSET_STATE :
if( targetTemp >= 500 )
targetTemp = 0;
else
targetTemp += 5;
break;
default :
break;
}
} // end if( BUTTON_UP_PRESSED )
if( rotaryButton == ROTARY_DOWN )
{
switch( runstate )
{
case NORMAL_STATE :
case MENU_STATE :
if( mainmenu == 0 )
mainmenu = LAST_ITEM;
mainmenu--;
break;
case TIMESET_STATE :
decreaseClock( timesetphase );
break;
case TEMPSET_STATE :
if( targetTemp == 0 )
targetTemp = MAXTEMP;
else
targetTemp -= 5;
break;
default :
break;
}
} // end if( BUTTON_DOWN_PRESSED )
// go to sleep but wake up if any button is pressed
set_sleep_mode( SLEEP_MODE_ADC );
sleep_mode();
} // end while forever
}
