// gets the serial zones and then updates the sprinklerZones array
void getZonesFromSerial(int sprinklerZoneCount, int sprinklerZones[6], unsigned char confirmationChar) {
int i = 0;
for (i = 0; i < sprinklerZoneCount; i++) {
unsigned char rawIn = usart_in();
if (rawIn == 48) { //0
sprinklerZones[i] = 0;
}
else if (rawIn == 49) { //1
sprinklerZones[i] = 1;
}
// otherwise doesn't modify the value
}
// prints out a confirmation that it sent correctly
usart_out(confirmationChar);
}
int main(void)
{
// sets all our IO bits
// sets up communication with raspberry pi over serial
usart_init(47);
const int sprinklerZoneCount = 6;
int sprinklerZones[sprinklerZoneCount];
initSprinklerZones(sprinklerZoneCount, sprinklerZones);
//initializes sprinkler zones to 0
setSprinklerZones(sprinklerZoneCount, sprinklerZones);
_delay_ms(10);
// SERIAL VARIABLES
unsigned char zoneUpdate = 122; //'z' if we get this, we know to update the zones
unsigned char confirmationChar = 97; //'a' sends this back on good data received
unsigned char getMoist = 98;
//forever loop
while (1) {
// checks for a serial value to come across that corresponds to the zones to be on
unsigned char rawInput = usart_in();
if (rawInput == zoneUpdate) {
getZonesFromSerial(sprinklerZoneCount, sprinklerZones, confirmationChar);
setSprinklerZones(sprinklerZoneCount, sprinklerZones);
}
else if (rawInput == getMoist) {
getMoistureLevel();
}
_delay_ms(10); // delays for 10ms between iterations
}
return 0; /* never reached */
}
int
main()
{
/*
* used by rotary encoder
int rot_a = 0;
int rot_b = 0;
int prev_val = 0;
*/
/* Initialize Clock Rate */
usart_init(47);
shift_init();
DDRD &= (1 << PD5); // Set PORTD bit 5 for input, take in rotary bit A
DDRD &= (1 << PD6); // Set PORTD bit 6 for input, take in rotary bit B
PORTD |= (1 << PD5); // Activate pull-ups in PORTD pi
PORTD |= (1 << PD6); // Activate pull-ups in PORTD pi
/* main loop
* every cycle, read at the beginning, write at the end
* */
uint8_t zone_reg = 0;
while (1) {
int temperature = get_temperature();
int moisture = get_moisture();
char zone_char = usart_in();
usart_putchar('\n');
char temp_write_buf[36];
snprintf(temp_write_buf,
36,
"Temp: %ld F, Moisture: %d, ",
CtoF(temperature),
moisture);
usart_out(temp_write_buf);
_delay_ms(200);
/**
* Rotary Encoder - Deprecated
* Read inputs
rot_a = (PIND & (1 << PD5)); // Read value on PD5
rot_b = (PIND & (1 << PD6)); // Read value on PD6
if ((prev_val == 0) && (rot_a == 32)) {
if (rot_b == 64) {
zone_char--;
} else {
zone_char++;
}
}
prev_val = rot_a;
*/
/* we only accept zones 1 through 8, 0 to turn off */
char zone_write_buf[17];
if (zone_char >= '0' && zone_char <= '8') {
snprintf(zone_write_buf,
17,
"Current Zone: %c\r\n",
zone_char);
usart_out(zone_write_buf);
_delay_ms(200);
if (zone_char > '0') {
uint8_t zone_onehot
= (uint8_t) (1 << (zone_char - '1'));
shift_write(zone_onehot);
zone_reg = (uint8_t) (zone_char - '0');
} else {
if (zone_char == '0') {
zone_reg = 0;
}
shift_write(0);
}
} else {
snprintf(zone_write_buf,
17,
"Current Zone: %c\r\n",
(char) (zone_reg + '0'));
usart_out(zone_write_buf);
_delay_ms(200);
}
}
return 0;
}
