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main.cpp
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/* OpenSprinkler Unified (AVR/RPI/BBB/LINUX) Firmware
* Copyright (C) 2015 by Ray Wang ([email protected])
*
* Main loop
* Feb 2015 @ OpenSprinkler.com
*
* This file is part of the OpenSprinkler Firmware
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <limits.h>
#include "OpenSprinkler.h"
#include "program.h"
#include "weather.h"
#include "server.h"
#if defined(ARDUINO)
#include "Wire.h"
#ifdef ESP8266
#include <FS.h>
#include "ets_sys.h"
#include "osapi.h" // for os timers
#include "os_type.h"
#include "gpio.h"
#include "espconnect.h"
char ether_buffer[ETHER_BUFFER_SIZE];
#else
#include <SdFat.h>
byte Ethernet::buffer[ETHER_BUFFER_SIZE]; // Ethernet packet buffer
SdFat sd; // SD card object
#endif
unsigned long getNtpTime();
#else // header and defs for RPI/BBB
#include <sys/stat.h>
#include <netdb.h>
#include "etherport.h"
#include "gpio.h"
char ether_buffer[ETHER_BUFFER_SIZE];
EthernetServer *m_server = 0;
EthernetClient *m_client = 0;
#endif
void reset_all_stations();
void reset_all_stations_immediate();
void push_message(byte type, uint32_t lval=0, float fval=0.f, const char* sval=NULL);
void manual_start_program(byte, byte);
void httpget_callback(byte, uint16_t, uint16_t);
// Small variations have been added to the timing values below
// to minimize conflicting events
#define NTP_SYNC_INTERVAL 86403L // NYP sync interval, 24 hrs
#define RTC_SYNC_INTERVAL 60 // RTC sync interval, 60 secs
#define CHECK_NETWORK_INTERVAL 601 // Network checking timeout, 10 minutes
#define CHECK_WEATHER_TIMEOUT 7201 // Weather check interval: 2 hours
#define CHECK_WEATHER_SUCCESS_TIMEOUT 86433L // Weather check success interval: 24 hrs
#define LCD_BACKLIGHT_TIMEOUT 15 // LCD backlight timeout: 15 secs
#define PING_TIMEOUT 200 // Ping test timeout: 200 ms
extern char tmp_buffer[]; // scratch buffer
const unsigned int debounce_period = 1; // milli-seconds. Change as appropriate.
const unsigned int sensor_poll_period = 10; // milli-seconds
volatile bool debounce_in_progress = false;
volatile bool prev_flow_sensor_state;
#ifdef ESP8266
os_timer_t flow_sensor_poll_timer;
ESP8266WebServerSecure *wifi_server = NULL;
static uint16_t led_blink_ms = LED_FAST_BLINK;
#endif
// ====== Object defines ======
OpenSprinkler os; // OpenSprinkler object
ProgramData pd; // ProgramdData object
//flow globals
ulong flow_count = 0;
ulong flow_gallons_count = 0;
ulong flow_station_start_gallons = 0;
float flow_station_gallons = 0;
byte prev_flow_state = HIGH;
#ifdef ESP8266
#define SENSOR_DEBOUNCE_COUNT_MAX 5 //5*debounce_period msec
#define SENSOR_INCORRECT_SAMPLES_MIN 2
unsigned int flow_sensor_high_sample;
unsigned int sensor_debounce_count;
void flowsenseor_poll_timer_cb(void *arg){
bool flow_sensor_state = digitalReadExt(PIN_FLOWSENSOR);
if(debounce_in_progress == true){
//sample pin
if(flow_sensor_state == HIGH){
flow_sensor_high_sample++;
}
sensor_debounce_count++;
if(sensor_debounce_count == SENSOR_DEBOUNCE_COUNT_MAX ||
flow_sensor_high_sample > SENSOR_INCORRECT_SAMPLES_MIN){
//stop debounce and sampling
debounce_in_progress = false;
if(flow_sensor_high_sample < SENSOR_INCORRECT_SAMPLES_MIN){
//this is real active low pulse
flow_count++;
}
}
}
else if(prev_flow_sensor_state == HIGH && flow_sensor_state == LOW && debounce_in_progress == false){
//falling edge detected.
//start debounce count and sample
sensor_debounce_count = 0;
debounce_in_progress = true;
flow_sensor_high_sample = 0;
}
prev_flow_sensor_state = flow_sensor_state;
}
void setup_flowsensor_polling_timer(void) {
os_timer_disarm(&flow_sensor_poll_timer);
os_timer_setfn(&flow_sensor_poll_timer, (os_timer_func_t *)flowsenseor_poll_timer_cb, NULL);
os_timer_arm(&flow_sensor_poll_timer, sensor_poll_period, 1); // perodic timer
}
#endif
void flow_poll() {
byte curr_flow_state = digitalReadExt(PIN_FLOWSENSOR);
if(os.options[OPTION_SENSOR1_TYPE]!=SENSOR_TYPE_FLOW) return;
#ifdef ESP8266
if(!(prev_flow_state==HIGH && curr_flow_state==LOW)) {
prev_flow_state = curr_flow_state;
return;
}
prev_flow_state = curr_flow_state;
#endif
ulong curr = millis();
if(curr <= os.flowcount_time_ms) return; // debounce threshold: 1ms
flow_count++;
os.flowcount_time_ms = curr;
}
volatile byte flow_isr_flag = false;
/** Flow sensor interrupt service routine */
#ifdef ESP8266
ICACHE_RAM_ATTR void flow_isr() // for ESP8266, ISR must be marked ICACHE_RAM_ATTR
#else
void flow_isr()
#endif
{
flow_isr_flag = true;
}
//flow logs helper functions
inline bool is_hour(ulong timeSec, int hours){
int hr = (int) ((timeSec / (60 * 60)) % 24);
if(hr == hours){
return true;
}
return false;
}
inline bool is_minute(ulong timeSec,int minutes){
int min = (int) ((timeSec /60) % 60);
if(min == minutes){
return true;
}
return false;
}
inline bool is_time(ulong timeSec, int hours, int minutes){
return (is_minute(timeSec, minutes) && is_hour(timeSec, hours));
}
inline bool addition_is_safe(ulong a, ulong b) {
if (( b > 0) && (a > ULONG_MAX - b)) return false;
return true;
}
#if defined(ARDUINO)
// ====== UI defines ======
static char ui_anim_chars[3] = {'.', 'o', 'O'};
#define UI_STATE_DEFAULT 0
#define UI_STATE_DISP_IP 1
#define UI_STATE_DISP_GW 2
#define UI_STATE_RUNPROG 3
static byte ui_state = UI_STATE_DEFAULT;
static byte ui_state_runprog = 0;
#ifdef ESP8266
bool ui_confirm(PGM_P str) {
os.lcd_print_line_clear_pgm(str, 0);
os.lcd_print_line_clear_pgm(PSTR("(B1:No, B3:Yes)"), 1);
byte button;
ulong timeout = millis()+4000;
do {
button = os.button_read(BUTTON_WAIT_NONE);
if((button&BUTTON_MASK)==BUTTON_3 && (button&BUTTON_FLAG_DOWN)) return true;
if((button&BUTTON_MASK)==BUTTON_1 && (button&BUTTON_FLAG_DOWN)) return false;
delay(10);
} while(millis() < timeout);
return false;
}
#endif
void ui_state_machine() {
#ifdef ESP8266
// process screen led
static ulong led_toggle_timeout = 0;
if(led_blink_ms) {
if(millis()>led_toggle_timeout) {
os.toggle_screen_led();
led_toggle_timeout = millis() + led_blink_ms;
}
}
#endif
if (!os.button_timeout) {
os.lcd_set_brightness(0);
ui_state = UI_STATE_DEFAULT; // also recover to default state
}
// read button, if something is pressed, wait till release
byte button = os.button_read(BUTTON_WAIT_HOLD);
if (button & BUTTON_FLAG_DOWN) { // repond only to button down events
os.button_timeout = LCD_BACKLIGHT_TIMEOUT;
os.lcd_set_brightness(1);
} else {
return;
}
switch(ui_state) {
case UI_STATE_DEFAULT:
switch (button & BUTTON_MASK) {
case BUTTON_1:
if (button & BUTTON_FLAG_HOLD) { // holding B1
if (digitalReadExt(PIN_BUTTON_3)==0) { // if B3 is pressed while holding B1, run a short test (internal test)
#ifdef ESP8266
if(!ui_confirm(PSTR("Start 2s test?"))) {ui_state = UI_STATE_DEFAULT; break;}
#endif
manual_start_program(255, 0);
} else if (digitalReadExt(PIN_BUTTON_2)==0) { // if B2 is pressed while holding B1, display gateway IP
#ifdef ESP8266
os.lcd.clear(0, 1);
os.lcd.setCursor(0, 0);
os.lcd.print(WiFi.gatewayIP());
#else
os.lcd.clear();
os.lcd_print_ip(ether.gwip, 0);
#endif
os.lcd.setCursor(0, 1);
os.lcd_print_pgm(PSTR("(gwip)"));
ui_state = UI_STATE_DISP_IP;
} else { // if no other button is clicked, stop all zones
#ifdef ESP8266
if(!ui_confirm(PSTR("Stop all zones?"))) {ui_state = UI_STATE_DEFAULT; break;}
#endif
reset_all_stations();
}
} else { // clicking B1: display device IP and port
#ifdef ESP8266
os.lcd.clear(0, 1);
os.lcd.setCursor(0, 0);
os.lcd.print(WiFi.localIP());
os.lcd.setCursor(0, 1);
os.lcd_print_pgm(PSTR(":"));
uint16_t httpport = (uint16_t)(os.options[OPTION_HTTPPORT_1]<<8) + (uint16_t)os.options[OPTION_HTTPPORT_0];
os.lcd.print(httpport);
#else
os.lcd.clear();
os.lcd_print_ip(ether.myip, 0);
os.lcd.setCursor(0, 1);
os.lcd_print_pgm(PSTR(":"));
os.lcd.print(ether.hisport);
#endif
os.lcd_print_pgm(PSTR(" (ip:port)"));
ui_state = UI_STATE_DISP_IP;
}
break;
case BUTTON_2:
if (button & BUTTON_FLAG_HOLD) { // holding B2
if (digitalReadExt(PIN_BUTTON_1)==0) { // if B1 is pressed while holding B2, display external IP
os.lcd_print_ip((byte*)(&os.nvdata.external_ip), 1);
os.lcd.setCursor(0, 1);
os.lcd_print_pgm(PSTR("(eip)"));
ui_state = UI_STATE_DISP_IP;
} else if (digitalReadExt(PIN_BUTTON_3)==0) { // if B3 is pressed while holding B2, display last successful weather call
//os.lcd.clear(0, 1);
os.lcd_print_time(os.checkwt_success_lasttime);
os.lcd.setCursor(0, 1);
os.lcd_print_pgm(PSTR("(lswc)"));
ui_state = UI_STATE_DISP_IP;
} else { // if no other button is clicked, reboot
#ifdef ESP8266
if(!ui_confirm(PSTR("Reboot device?"))) {ui_state = UI_STATE_DEFAULT; break;}
#endif
os.reboot_dev();
}
} else { // clicking B2: display MAC
#ifdef ESP8266
os.lcd.clear(0, 1);
byte mac[6];
WiFi.macAddress(mac);
os.lcd_print_mac(mac);
#else
os.lcd.clear();
os.lcd_print_mac(ether.mymac);
#endif
ui_state = UI_STATE_DISP_GW;
}
break;
case BUTTON_3:
if (button & BUTTON_FLAG_HOLD) { // holding B3
if (digitalReadExt(PIN_BUTTON_1)==0) { // if B1 is pressed while holding B3, display up time
os.lcd_print_time(os.powerup_lasttime);
os.lcd.setCursor(0, 1);
os.lcd_print_pgm(PSTR("(lupt)"));
ui_state = UI_STATE_DISP_IP;
} else if(digitalReadExt(PIN_BUTTON_2)==0) { // if B2 is pressed while holding B3, reset to AP and reboot
#ifdef ESP8266
if(!ui_confirm(PSTR("Reset to AP?"))) {ui_state = UI_STATE_DEFAULT; break;}
os.reset_to_ap();
#endif
} else { // if no other button is clicked, go to Run Program main menu
os.lcd_print_line_clear_pgm(PSTR("Run a Program:"), 0);
os.lcd_print_line_clear_pgm(PSTR("Click B3 to list"), 1);
ui_state = UI_STATE_RUNPROG;
}
} else { // clicking B3: Show pulses count - was "switch board display (cycle through master and all extension boards)"
//os.status.display_board = (os.status.display_board + 1) % (os.nboards);
os.lcd.clear(0, 1);
os.lcd.setCursor(0, 0);
os.lcd_print_pgm(PSTR("(Pulses count)"));
ultoa(flow_count, tmp_buffer, 10);
os.lcd.setCursor(0, 1);
os.lcd.print(tmp_buffer);
ui_state = UI_STATE_DISP_IP;
}
break;
}
break;
case UI_STATE_DISP_IP:
case UI_STATE_DISP_GW:
ui_state = UI_STATE_DEFAULT;
break;
case UI_STATE_RUNPROG:
if ((button & BUTTON_MASK)==BUTTON_3) {
if (button & BUTTON_FLAG_HOLD) {
// start
manual_start_program(ui_state_runprog, 0);
ui_state = UI_STATE_DEFAULT;
} else {
ui_state_runprog = (ui_state_runprog+1) % (pd.nprograms+1);
os.lcd_print_line_clear_pgm(PSTR("Hold B3 to start"), 0);
if(ui_state_runprog > 0) {
ProgramStruct prog;
pd.read(ui_state_runprog-1, &prog);
os.lcd_print_line_clear_pgm(PSTR(" "), 1);
os.lcd.setCursor(0, 1);
os.lcd.print((int)ui_state_runprog);
os.lcd_print_pgm(PSTR(". "));
os.lcd.print(prog.name);
} else {
os.lcd_print_line_clear_pgm(PSTR("0. Test (1 min)"), 1);
}
}
}
break;
}
}
// ======================
// Setup Function
// ======================
void do_setup() {
/* Clear WDT reset flag. */
#ifdef ESP8266
if(wifi_server) { delete wifi_server; wifi_server = NULL; }
WiFi.persistent(false);
led_blink_ms = LED_FAST_BLINK;
#else
MCUSR &= ~(1<<WDRF);
#endif
DEBUG_BEGIN(115200);
os.begin(); // OpenSprinkler init
os.options_setup(); // Setup options
pd.init(); // ProgramData init
setSyncInterval(RTC_SYNC_INTERVAL); // RTC sync interval
// if rtc exists, sets it as time sync source
setSyncProvider(RTC.get);
os.lcd_print_time(os.now_tz()); // display time to LCD
os.powerup_lasttime = os.now_tz();
#ifndef ESP8266
// enable WDT
/* In order to change WDE or the prescaler, we need to
* set WDCE (This will allow updates for 4 clock cycles).
*/
WDTCSR |= (1<<WDCE) | (1<<WDE);
/* set new watchdog timeout prescaler value */
WDTCSR = 1<<WDP3 | 1<<WDP0; // 8.0 seconds
/* Enable the WD interrupt (note no reset). */
WDTCSR |= _BV(WDIE);
#endif
if (os.start_network()) { // initialize network
os.status.network_fails = 0;
} else {
os.status.network_fails = 1;
}
os.status.req_network = 0;
os.status.req_ntpsync = 1;
os.apply_all_station_bits(); // reset station bits
os.button_timeout = LCD_BACKLIGHT_TIMEOUT;
#ifdef ESP8266
// setup_debounce_timer();
prev_flow_sensor_state = digitalReadExt(PIN_FLOWSENSOR);
setup_flowsensor_polling_timer();
#endif
}
// Arduino software reset function
void(* sysReset) (void) = 0;
#ifndef ESP8266
volatile byte wdt_timeout = 0;
/** WDT interrupt service routine */
ISR(WDT_vect)
{
wdt_timeout += 1;
// this isr is called every 8 seconds
if (wdt_timeout > 15) {
// reset after 120 seconds of timeout
sysReset();
}
}
#endif
#else
void do_setup() {
initialiseEpoch(); // initialize time reference for millis() and micros()
os.begin(); // OpenSprinkler init
os.options_setup(); // Setup options
pd.init(); // ProgramData init
if (os.start_network()) { // initialize network
DEBUG_PRINTLN("network established.");
os.status.network_fails = 0;
} else {
DEBUG_PRINTLN("network failed.");
os.status.network_fails = 1;
}
os.status.req_network = 0;
}
#endif
void write_log(byte type, ulong curr_time);
void schedule_all_stations(ulong curr_time);
void turn_off_station(byte sid, ulong curr_time);
void process_dynamic_events(ulong curr_time);
void check_network();
void check_weather();
void perform_ntp_sync();
void delete_log(char *name);
void clear_old_logs(ulong curr_time);
#ifdef ESP8266
void start_server_ap();
void start_server_client();
unsigned long reboot_timer = 0;
#else
void handle_web_request(char *p);
#endif
/** Main Loop */
void do_loop()
{
/* If flow_isr_flag is on, do flow sensing.
todo: not the most efficient way, as we can't do I2C inside ISR.
need to figure out a more efficient way to do flow sensing */
#ifndef ESP8266
if(flow_isr_flag) {
flow_isr_flag = false;
flow_poll();
}
#endif
static ulong last_time = 0;
static ulong last_minute = 0;
byte bid, sid, s, pid, qid, bitvalue;
ProgramStruct prog;
os.status.mas = os.options[OPTION_MASTER_STATION];
os.status.mas2= os.options[OPTION_MASTER_STATION_2];
time_t curr_time = os.now_tz();
// ====== Process Ethernet packets ======
#if defined(ARDUINO) // Process Ethernet packets for Arduino
#ifdef ESP8266
static ulong connecting_timeout;
switch(os.state) {
case OS_STATE_INITIAL:
if(os.get_wifi_mode()==WIFI_MODE_AP) {
start_server_ap();
os.state = OS_STATE_CONNECTED;
connecting_timeout = 0;
} else {
led_blink_ms = LED_SLOW_BLINK;
start_network_sta(os.wifi_config.ssid.c_str(), os.wifi_config.pass.c_str());
os.config_ip();
os.state = OS_STATE_CONNECTING;
connecting_timeout = millis() + 120000L;
os.lcd.setCursor(0, -1);
os.lcd.print(F("Connecting to..."));
os.lcd.setCursor(0, 2);
os.lcd.print(os.wifi_config.ssid);
}
break;
case OS_STATE_TRY_CONNECT:
led_blink_ms = LED_SLOW_BLINK;
start_network_sta_with_ap(os.wifi_config.ssid.c_str(), os.wifi_config.pass.c_str());
os.config_ip();
os.state = OS_STATE_CONNECTED;
break;
case OS_STATE_CONNECTING:
if(WiFi.status() == WL_CONNECTED) {
led_blink_ms = 0;
os.set_screen_led(LOW);
os.lcd.clear();
start_server_client();
os.state = OS_STATE_CONNECTED;
connecting_timeout = 0;
} else {
if(millis()>connecting_timeout) {
os.state = OS_STATE_INITIAL;
DEBUG_PRINTLN(F("timeout"));
}
}
break;
case OS_STATE_CONNECTED:
if(os.get_wifi_mode() == WIFI_MODE_AP) {
wifi_server->handleClient();
connecting_timeout = 0;
if(os.get_wifi_mode()==WIFI_MODE_STA) {
// already in STA mode, waiting to reboot
break;
}
if(WiFi.status()==WL_CONNECTED && WiFi.localIP()) {
os.wifi_config.mode = WIFI_MODE_STA;
os.options_save(true);
os.reboot_dev();
}
}
else {
if(WiFi.status() == WL_CONNECTED) {
wifi_server->handleClient();
connecting_timeout = 0;
} else {
os.state = OS_STATE_INITIAL;
}
}
break;
}
#else // AVR
uint16_t pos=ether.packetLoop(ether.packetReceive());
if (pos>0) { // packet received
handle_web_request((char*)Ethernet::buffer+pos);
}
wdt_reset(); // reset watchdog timer
wdt_timeout = 0;
#endif
ui_state_machine();
#else // Process Ethernet packets for RPI/BBB
EthernetClient client = m_server->available();
if (client) {
while(true) {
int len = client.read((uint8_t*) ether_buffer, ETHER_BUFFER_SIZE);
if (len <=0) {
if(!client.connected()) {
break;
} else {
continue;
}
} else {
m_client = &client;
ether_buffer[len] = 0; // put a zero at the end of the packet
handle_web_request(ether_buffer);
m_client = 0;
break;
}
}
}
#endif // Process Ethernet packets
// The main control loop runs once every second
if (curr_time != last_time) {
last_time = curr_time;
if (os.button_timeout) os.button_timeout--;
#ifdef ESP8266
if(reboot_timer && millis() > reboot_timer) {
os.reboot_dev();
}
#endif
#if defined(ARDUINO)
if (!ui_state)
os.lcd_print_time(os.now_tz()); // print time
#endif
// ====== Check raindelay status ======
if (os.status.rain_delayed) {
if (curr_time >= os.nvdata.rd_stop_time) { // rain delay is over
os.raindelay_stop();
}
} else {
if (os.nvdata.rd_stop_time > curr_time) { // rain delay starts now
os.raindelay_start();
}
}
// ====== Check controller status changes and write log ======
if (os.old_status.rain_delayed != os.status.rain_delayed) {
if (os.status.rain_delayed) {
// rain delay started, record time
os.raindelay_start_time = curr_time;
push_message(IFTTT_RAINSENSOR, LOGDATA_RAINDELAY, 1);
} else {
// rain delay stopped, write log
write_log(LOGDATA_RAINDELAY, curr_time);
push_message(IFTTT_RAINSENSOR, LOGDATA_RAINDELAY, 0);
}
os.old_status.rain_delayed = os.status.rain_delayed;
}
// ====== Check rain sensor status ======
if (os.options[OPTION_SENSOR1_TYPE] == SENSOR_TYPE_RAIN) { // if a rain sensor is connected
os.rainsensor_status();
if (os.old_status.rain_sensed != os.status.rain_sensed) {
if (os.status.rain_sensed) {
// rain sensor on, record time
os.sensor_lasttime = curr_time;
push_message(IFTTT_RAINSENSOR, LOGDATA_RAINSENSE, 1);
} else {
// rain sensor off, write log
if (curr_time>os.sensor_lasttime+10) { // add a 10 second threshold
// to avoid faulty rain sensors generating
// too many log records
write_log(LOGDATA_RAINSENSE, curr_time);
push_message(IFTTT_RAINSENSOR, LOGDATA_RAINSENSE, 0);
}
}
os.old_status.rain_sensed = os.status.rain_sensed;
}
}
// ===== Check program switch status =====
if (os.programswitch_status(curr_time)) {
reset_all_stations_immediate(); // immediately stop all stations
if(pd.nprograms > 0) manual_start_program(1, 0);
}
// ====== Schedule program data ======
ulong curr_minute = curr_time / 60;
boolean match_found = false;
RuntimeQueueStruct *q;
// since the granularity of start time is minute
// we only need to check once every minute
if (curr_minute != last_minute) {
last_minute = curr_minute;
// check through all programs
for(pid=0; pid<pd.nprograms; pid++) {
pd.read(pid, &prog);
if(prog.check_match(curr_time)) {
// program match found
// process all selected stations
for(sid=0;sid<os.nstations;sid++) {
bid=sid>>3;
s=sid&0x07;
// skip if the station is a master station (because master cannot be scheduled independently
if ((os.status.mas==sid+1) || (os.status.mas2==sid+1))
continue;
// if station has non-zero water time and the station is not disabled
if (prog.durations[sid] && !(os.station_attrib_bits_read(ADDR_NVM_STNDISABLE+bid)&(1<<s))) {
// water time is scaled by watering percentage
ulong water_time = water_time_resolve(prog.durations[sid]);
// if the program is set to use weather scaling
if (prog.use_weather) {
byte wl = os.options[OPTION_WATER_PERCENTAGE];
water_time = water_time * wl / 100;
if (wl < 20 && water_time < 10) // if water_percentage is less than 20% and water_time is less than 10 seconds
// do not water
water_time = 0;
}
if (water_time) {
// check if water time is still valid
// because it may end up being zero after scaling
q = pd.enqueue();
if (q) {
q->st = 0;
q->dur = water_time;
q->sid = sid;
q->pid = pid+1;
match_found = true;
} else {
// queue is full
}
}// if water_time
}// if prog.durations[sid]
}// for sid
if(match_found) push_message(IFTTT_PROGRAM_SCHED, pid, prog.use_weather?os.options[OPTION_WATER_PERCENTAGE]:100);
}// if check_match
}// for pid
// calculate start and end time
if (match_found) {
schedule_all_stations(curr_time);
// For debugging: print out queued elements
/*DEBUG_PRINT("en:");
for(q=pd.queue;q<pd.queue+pd.nqueue;q++) {
DEBUG_PRINT("[");
DEBUG_PRINT(q->sid);
DEBUG_PRINT(",");
DEBUG_PRINT(q->dur);
DEBUG_PRINT(",");
DEBUG_PRINT(q->st);
DEBUG_PRINT("]");
}
DEBUG_PRINTLN("");*/
}
}//if_check_current_minute
// ====== Run program data ======
// Check if a program is running currently
// If so, do station run-time keeping
if (os.status.program_busy){
// first, go through run time queue to assign queue elements to stations
q = pd.queue;
qid=0;
for(;q<pd.queue+pd.nqueue;q++,qid++) {
sid=q->sid;
byte sqi=pd.station_qid[sid];
// skip if station is already assigned a queue element
// and that queue element has an earlier start time
if(sqi<255 && pd.queue[sqi].st<q->st) continue;
// otherwise assign the queue element to station
pd.station_qid[sid]=qid;
}
// next, go through the stations and perform time keeping
for(bid=0;bid<os.nboards; bid++) {
bitvalue = os.station_bits[bid];
for(s=0;s<8;s++) {
byte sid = bid*8+s;
// skip master station
if (os.status.mas == sid+1) continue;
if (os.status.mas2== sid+1) continue;
if (pd.station_qid[sid]==255) continue;
q = pd.queue + pd.station_qid[sid];
// check if this station is scheduled, either running or waiting to run
if (q->st > 0) {
// if so, check if we should turn it off
if (curr_time >= q->st+q->dur) {
turn_off_station(sid, curr_time);
}
}
// if current station is not running, check if we should turn it on
if(!((bitvalue>>s)&1)) {
if (curr_time >= q->st && curr_time < q->st+q->dur) {
//turn_on_station(sid);
os.set_station_bit(sid, 1);
//record gallons count when the station start for consumption logs
flow_station_start_gallons = flow_gallons_count;
} //if curr_time > scheduled_start_time
} // if current station is not running
}//end_s
}//end_bid
// finally, go through the queue again and clear up elements marked for removal
int qi;
for(qi=pd.nqueue-1;qi>=0;qi--) {
q=pd.queue+qi;
if(!q->dur || curr_time>=q->st+q->dur) {
pd.dequeue(qi);
}
}
// process dynamic events
process_dynamic_events(curr_time);
// activate / deactivate valves
os.apply_all_station_bits();
// check through runtime queue, calculate the last stop time of sequential stations
pd.last_seq_stop_time = 0;
ulong sst;
byte re=os.options[OPTION_REMOTE_EXT_MODE];
q = pd.queue;
for(;q<pd.queue+pd.nqueue;q++) {
sid = q->sid;
bid = sid>>3;
s = sid&0x07;
// check if any sequential station has a valid stop time
// and the stop time must be larger than curr_time
sst = q->st + q->dur;
if (sst>curr_time) {
// only need to update last_seq_stop_time for sequential stations
if (os.station_attrib_bits_read(ADDR_NVM_STNSEQ+bid)&(1<<s) && !re) {
pd.last_seq_stop_time = (sst>pd.last_seq_stop_time ) ? sst : pd.last_seq_stop_time;
}
}
}
// if the runtime queue is empty
// reset all stations
if (!pd.nqueue) {
// turn off all stations
os.clear_all_station_bits();
os.apply_all_station_bits();
// reset runtime
pd.reset_runtime();
// reset program busy bit
os.status.program_busy = 0;
// in case some options have changed while executing the program
os.status.mas = os.options[OPTION_MASTER_STATION]; // update master station
os.status.mas2= os.options[OPTION_MASTER_STATION_2]; // update master2 station
}
}//if_some_program_is_running
// handle master
if (os.status.mas>0) {
int16_t mas_on_adj = water_time_decode_signed(os.options[OPTION_MASTER_ON_ADJ]);
int16_t mas_off_adj= water_time_decode_signed(os.options[OPTION_MASTER_OFF_ADJ]);
byte masbit = 0;
os.station_attrib_bits_load(ADDR_NVM_MAS_OP, (byte*)tmp_buffer); // tmp_buffer now stores masop_bits
for(sid=0;sid<os.nstations;sid++) {
// skip if this is the master station
if (os.status.mas == sid+1) continue;
bid = sid>>3;
s = sid&0x07;
// if this station is running and is set to activate master
if ((os.station_bits[bid]&(1<<s)) && (tmp_buffer[bid]&(1<<s))) {
q=pd.queue+pd.station_qid[sid];
// check if timing is within the acceptable range
if (curr_time >= q->st + mas_on_adj &&
curr_time <= q->st + q->dur + mas_off_adj) {
masbit = 1;
break;
}
}
}
os.set_station_bit(os.status.mas-1, masbit);
}
// handle master2
if (os.status.mas2>0) {
int16_t mas_on_adj_2 = water_time_decode_signed(os.options[OPTION_MASTER_ON_ADJ_2]);
int16_t mas_off_adj_2= water_time_decode_signed(os.options[OPTION_MASTER_OFF_ADJ_2]);
byte masbit2 = 0;
os.station_attrib_bits_load(ADDR_NVM_MAS_OP_2, (byte*)tmp_buffer); // tmp_buffer now stores masop2_bits
for(sid=0;sid<os.nstations;sid++) {
// skip if this is the master station
if (os.status.mas2 == sid+1) continue;
bid = sid>>3;
s = sid&0x07;
// if this station is running and is set to activate master
if ((os.station_bits[bid]&(1<<s)) && (tmp_buffer[bid]&(1<<s))) {
q=pd.queue+pd.station_qid[sid];
// check if timing is within the acceptable range
if (curr_time >= q->st + mas_on_adj_2 &&
curr_time <= q->st + q->dur + mas_off_adj_2) {
masbit2 = 1;
break;
}
}
}
os.set_station_bit(os.status.mas2-1, masbit2);
}
// process dynamic events
process_dynamic_events(curr_time);
// activate/deactivate valves
os.apply_all_station_bits();
#if defined(ARDUINO)
// process LCD display
if (!ui_state) {
os.lcd_print_station(1, ui_anim_chars[(unsigned long)curr_time%3]);
#ifdef ESP8266
if(os.get_wifi_mode()==WIFI_MODE_STA && WiFi.status()==WL_CONNECTED && WiFi.localIP()) {
os.lcd.setCursor(0, 2);
os.lcd.clear(2, 2);
if(os.status.program_busy) {
os.lcd.print(F("curr: "));
uint16_t curr = os.read_current();
os.lcd.print(curr);
os.lcd.print(F(" mA"));
}
}
#endif
}
// check safe_reboot condition
if (os.status.safe_reboot) {
// if no program is running at the moment
if (!os.status.program_busy) {
// and if no program is scheduled to run in the next minute
bool willrun = false;
for(pid=0; pid<pd.nprograms; pid++) {
pd.read(pid, &prog);
if(prog.check_match(curr_time+60)) {
willrun = true;
break;
}
}
if (!willrun) {
//os.reboot_dev(); //commented on 17 June 2019 to test reboot not happen in between of program
}
}
}
#endif
// real-time flow count
static ulong flowcount_rt_start = 0;
static ulong flow_log_last_time = 0;
if (os.options[OPTION_SENSOR1_TYPE]==SENSOR_TYPE_FLOW) {
if (curr_time % FLOWCOUNT_RT_WINDOW == 0) {
os.flowcount_rt = (flow_count > flowcount_rt_start) ? flow_count - flowcount_rt_start: 0;
flowcount_rt_start = flow_count;
ulong curr_gallons = os.flowcount_rt;
if(addition_is_safe(flow_gallons_count, curr_gallons) == false){//prevent overflow
//rebase according the smallest count reference
ulong minref = (os.flowcount_log_start < flow_station_start_gallons ? os.flowcount_log_start : flow_station_start_gallons);
flow_gallons_count = flow_gallons_count - minref;
flow_station_start_gallons = flow_station_start_gallons - minref;
os.flowcount_log_start = os.flowcount_log_start - minref;
}
flow_gallons_count += curr_gallons;
if(os.sensor_lasttime == 0){
os.flowcount_log_start = flow_gallons_count;
os.sensor_lasttime = curr_time;
}
else if((curr_time - flow_log_last_time) > 60 &&//check if 60 seconds passed since last log
(is_time(curr_time,FLOW_DAILY_LOG_HOUR,FLOW_DAILY_LOG_MINUTE) //is time for daily consumption log
|| (is_minute(curr_time, FLOW_DAILY_LOG_MINUTE) && (flow_gallons_count > os.flowcount_log_start) ))) //or is time for hourly consumption log - if has gallons to log
{