void STM_refresh(void)
{
if(state_is_new)
{
execute_state_entry(AppState);
}
switch(AppState)
{
case READY_STATE:
if (if_valve_open())
{
STM_set_state(DRINKING_STATE);
}
break;
case DRINKING_STATE:
if (ADC_get_result() < ADC_LOW_SWITCH_VALUE)
{
STM_set_state(VERIFICATION_STATE);
}
if (If0_01secPassed)
{
LCD_display_time(get_current_time());
}
break;
case VERIFICATION_STATE:
if(If0_01secPassed)
{
verification_state_duration ++;
}
if(ADC_get_result() > ADC_LOW_SWITCH_VALUE)
{
AppState = DRINKING_STATE; // don't execute drinking_state entry!
}
if(verification_state_duration >= VERIFICATION_LENGTH)
{
STM_set_state(DISPLAY_STATE);
}
break;
case DISPLAY_STATE:
if (If0_01secPassed)
{
led_flashing_duration ++;
if (led_flashing_duration >= LED_BLINK_LENGTH)
{
led_off();
}
}
// poll the ADC (wait for the beer)
if ((ADC_get_result() > ADC_HIGH_SWITCH_VALUE) && ! if_valve_open())
{
STM_set_state(READY_STATE);
}
break;
case ADC_STATE:
// ADC_STATE NORMAL OPERATION
if (If0_01secPassed)
{
LCD_carriage_return();
LCD_putsub(" ");
LCD_carriage_return();
LCD_display_number((uint16_t)ADC_get_result());
}
break;
}
clear_flags();
}
uint16_t ADC_get_result_from(uint8_t input){
ADC_set_input(input);
return ADC_get_result();
}