void loop() {
if(stringComplete) {
// Serial.println(inputString);
if(inputString.equals("{open_valve}")) {
// Serial.println("inputString equates :)");
open_valve();
}
if(inputString.equals("{close_valve}")) {
// Serial.println("close vavle.");
close_valve();
}
if(valve_open) {
// Serial.println("valve_open = true");
inputString = "";
stringComplete = false;
while(getFlow4()) {
}
// Serial.println("I'm here now :)");
}
// clear the string:
inputString = "";
stringComplete = false;
}
//Serial.println("over and over");
}
int main(void)
{
/* Init */
int pump_timer = 0;
int i = 0;
uint16_t tzero = 0;
DDRD = 0xff; // initialize port B for output LEDs
PORTD = 0xff; // all LEDs initially OFF
init_timer2();
initIO();
sei();
for (int j=0; j < NUM_CYCLES; j++) {
/* Retain for testing: Use to test delay function */
//Delay(120);
//while(1) PORTD=0;
/* Retain for testing: use to cycle pressure read */
//while(1)
//read_pressure();
read_pressure();
close_valve();
tzero = second; // start time for each section of test
// 'second' is a global RTC variable
/*---- Initial pump cycle ----*/
while ((second - tzero) < PUMP_TIME && pressure < MAX_HI_PRESS) {
read_pressure();
start_pump();
if (pressure > (MAX_HI_PRESS + 200)) // overpressure
while (error(1));
}
stop_pump();
if (pressure < MAX_HI_PRESS) // error if target pressure no reached
while (error(2));
/*---- Vacuum dwell starts here ----*/
tzero = second;
while ((second - tzero) < DWELL_TIME) {
read_pressure();
if (pressure > (MAX_HI_PRESS + 200)) //overpressure
while (error(1));
if (pressure < MIN_HI_PRESS) {
pump_timer = 0;
while (pressure < MAX_HI_PRESS && ((second - tzero) < DWELL_TIME)) {
start_pump();
read_pressure();
for (i=0; i<1000; i++) // 1 sec busy-wait
delay_ms(1.0);
pump_timer++;
if (pump_timer >= 120) // don't run pump 120 seconds
while (error(3));
if (pressure > (MAX_HI_PRESS + 200)) //overpressure
while (error(1));
}
stop_pump();
}
}
stop_pump();
/*---- Bleed cycle start ----*/
open_valve();
tzero = second;
while ((second - tzero) < BLEED_TIME && pressure > MAX_LO_PRESS)
read_pressure();
if (pressure > MAX_LO_PRESS)
while (error(4));
/*---- Ambient pressure dwell ----*/
delay(DWELL_TIME);
//lower = pressure & 0x00ff;
//upper = (pressure & 0xff00)>>8;
//PORTD = lower;
//for (i=0; i<1000; i++) _delay_ms(1.0);
//Delay(1);
//PORTD = upper;
//for (i=0; i<1000; i++) _delay_ms(1.0);
//while(1);
}
while(1) // completed successfully without errors!
error(0);
return 0;
}
