device.ino
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#include "device.h"
void insertSequence(int device, int start_value, int end_value, double duration, struct action *action) {
struct sequence *ptr = (struct sequence*) malloc(sizeof(struct sequence));
ptr->device = device;
ptr->start_value = start_value;
ptr->end_value = end_value;
ptr->action = action;
ptr->next = NULL;
/* Serial.println("is0"); */
if ( sequence_tail == NULL ) {
/* Serial.println("is1"); */
sequence_head = ptr;
set_relay(device, start_value);
ptr->end = action->start + duration;
} else {
/* Serial.println("is2"); */
sequence_tail->next = ptr;
ptr->start = sequence_tail->end;
ptr->end = sequence_tail->end + duration;
}
/* Serial.println("is3"); */
sequence_tail=ptr;
}
void loop_device() {
if ( sequence_tail != NULL ) { // there's something to do
monitor_sequence_duration();
next_sequence_step();
}
}
void next_sequence_step() {
unsigned int ut = time(NULL);
if ( ut >= sequence_head->end ) {
// set relay to end values of current step and start values of next step. afterwards remove the completed step;
if ( sequence_head->start_value != sequence_head->end_value ) {
set_relay(sequence_head->device, sequence_head->end_value);
}
struct sequence *tmp = (struct sequence*) malloc(sizeof(struct sequence));
tmp = sequence_head;
sequence_head = tmp->next;
if ( sequence_head != NULL ) {
set_relay(sequence_head->device, sequence_head->start_value);
next_sequence_step(); // in case the sequence duration is 0
} else {
sequence_tail = NULL;
}
free(tmp);
}
}
void monitor_sequence_duration() {
String pre = "home/compost/device/";
int device = sequence_head->device;
String duration(pre + device + "/duration");
unsigned int ut = time(NULL);
double remaining = sequence_head->end - ut;
String remainingStr(remaining);
/* Serial.println("--------------- Duration"); */
/* Serial.println(duration); */
/* Serial.println(remainingStr); */
/* Serial.println("---------------"); */
mqttClient.publish(duration, remainingStr );
}
int fill_start(struct action *ptr) {
if ( sequence_head == NULL ) {
insertSequence( dst_valve_rotate, 0, 0, 0, ptr );
insertSequence( dst_valve_watersource, 1, 1, 0, ptr );
insertSequence( src_valve_pump, 0, 0, 0, ptr );
insertSequence( peristaltic_reverse, 1, 0, 10, ptr ); // fill hose for 10 seconds
insertSequence( src_valve_pump, 1, 0, ptr->data, ptr ); // let gravity do its work
insertSequence( peristaltic, 1, 0, 10, ptr ); // vent hose for 10 seconds
insertSequence( dst_valve_watersource, 0, 0, 0, ptr );
return 1;
} else {
return 0;
}
}
int rotate_start(struct action *ptr) {
if ( sequence_head == NULL ) {
insertSequence( dst_valve_watersource, 0, 0, 0, ptr );
insertSequence( dst_valve_rotate, 1, 1, 0, ptr );
insertSequence( src_valve_pump, 1, 1, 0, ptr );
insertSequence( dive, 1, 0, ptr->data, ptr );
insertSequence( src_valve_pump, 0, 0, 0, ptr );
insertSequence( dst_valve_rotate, 0, 0, 0, ptr );
return 1;
} else {
return 0;
}
}
int rotate_start(struct button *ptr){
return 1;
}
int fertilize_start(struct action *ptr) {
if ( sequence_head == NULL ) {
insertSequence( dst_valve_watersource, 1, 1, 0, ptr );
insertSequence( dst_valve_rotate, 0, 0, 0, ptr );
insertSequence( src_valve_pump, 1, 1, 0, ptr );
insertSequence( dive, 1, 0, ptr->data, ptr );
insertSequence( src_valve_pump, 0, 0, 0, ptr );
insertSequence( dst_valve_rotate, 0, 0, 0, ptr );
insertSequence( dst_valve_watersource, 0, 0, 0, ptr );
return 1;
} else {
return 0;
}
}
void set_relay(int device, int value) {
String pre = "home/compost/device/";
/* int device = sequence_head->device; */
String state(pre + device + "/state");
String valueStr( value );
mqttClient.publish(state, valueStr );
pcf8574.digitalWrite(device,!value); // sink; 1 == relay off (nc), 0 = relay on (no)
/* Serial.println("--------------- Relay"); */
/* Serial.println(state); */
/* Serial.println(valueStr); */
/* Serial.println("---------------"); */
/* int pin = 1; */
/* while ( pin < 7 ) { */
/* if ( device == pin */
/* /\* || step->src_valve == pin *\/ */
/* /\* || step->dst_valve == pin *\/ */
/* ) { */
/* /\* pcf8574.digitalWrite(pin,0); *\/ */
/* } else { */
/* /\* pcf8574.digitalWrite(pin,1); *\/ */
/* } */
/* pin++; */
/* } */
}