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OpenSprinkler.cpp
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/* OpenSprinkler Unified (AVR/RPI/BBB/LINUX/ESP8266) Firmware
* Copyright (C) 2015 by Ray Wang ([email protected])
*
* OpenSprinkler library
* Feb 2015 @ OpenSprinkler.com
*
* This file is part of the OpenSprinkler library
*
* 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 "OpenSprinkler.h"
#include "server.h"
#include "gpio.h"
#include "testmode.h"
/** Declare static data members */
OSMqtt OpenSprinkler::mqtt;
NVConData OpenSprinkler::nvdata;
ConStatus OpenSprinkler::status;
ConStatus OpenSprinkler::old_status;
byte OpenSprinkler::hw_type;
byte OpenSprinkler::hw_rev;
byte OpenSprinkler::nboards;
byte OpenSprinkler::nstations;
byte OpenSprinkler::station_bits[MAX_NUM_BOARDS];
byte OpenSprinkler::engage_booster;
uint16_t OpenSprinkler::baseline_current;
ulong OpenSprinkler::sensor1_on_timer;
ulong OpenSprinkler::sensor1_off_timer;
ulong OpenSprinkler::sensor1_active_lasttime;
ulong OpenSprinkler::sensor2_on_timer;
ulong OpenSprinkler::sensor2_off_timer;
ulong OpenSprinkler::sensor2_active_lasttime;
ulong OpenSprinkler::raindelay_on_lasttime;
ulong OpenSprinkler::flowcount_log_start;
ulong OpenSprinkler::flowcount_rt;
byte OpenSprinkler::button_timeout;
ulong OpenSprinkler::checkwt_lasttime;
ulong OpenSprinkler::checkwt_success_lasttime;
ulong OpenSprinkler::powerup_lasttime;
uint8_t OpenSprinkler::last_reboot_cause = REBOOT_CAUSE_NONE;
byte OpenSprinkler::weather_update_flag;
// todo future: the following attribute bytes are for backward compatibility
byte OpenSprinkler::attrib_mas[MAX_NUM_BOARDS];
byte OpenSprinkler::attrib_igs[MAX_NUM_BOARDS];
byte OpenSprinkler::attrib_mas2[MAX_NUM_BOARDS];
byte OpenSprinkler::attrib_igs2[MAX_NUM_BOARDS];
byte OpenSprinkler::attrib_igrd[MAX_NUM_BOARDS];
byte OpenSprinkler::attrib_dis[MAX_NUM_BOARDS];
byte OpenSprinkler::attrib_seq[MAX_NUM_BOARDS];
byte OpenSprinkler::attrib_spe[MAX_NUM_BOARDS];
extern char tmp_buffer[];
extern char ether_buffer[];
#if defined(ESP8266)
SSD1306Display OpenSprinkler::lcd(0x3c, SDA, SCL);
byte OpenSprinkler::state = OS_STATE_INITIAL;
byte OpenSprinkler::prev_station_bits[MAX_NUM_BOARDS];
IOEXP* OpenSprinkler::expanders[MAX_NUM_BOARDS/2];
IOEXP* OpenSprinkler::mainio;
IOEXP* OpenSprinkler::drio;
RCSwitch OpenSprinkler::rfswitch;
String OpenSprinkler::wifi_ssid="";
String OpenSprinkler::wifi_pass="";
byte OpenSprinkler::wifi_testmode = 0;
#elif defined(ARDUINO)
LiquidCrystal OpenSprinkler::lcd;
extern SdFat sd;
#else
#if defined(OSPI)
byte OpenSprinkler::pin_sr_data = PIN_SR_DATA;
#endif
// todo future: LCD define for Linux-based systems
#endif
/** Option json names (stored in PROGMEM to reduce RAM usage) */
// IMPORTANT: each json name is strictly 5 characters
// with 0 fillings if less
#define OP_JSON_NAME_STEPSIZE 5
// for Integer options
const char iopt_json_names[] PROGMEM =
"fwv\0\0"
"tz\0\0\0"
"ntp\0\0"
"dhcp\0"
"ip1\0\0"
"ip2\0\0"
"ip3\0\0"
"ip4\0\0"
"gw1\0\0"
"gw2\0\0"
"gw3\0\0"
"gw4\0\0"
"hp0\0\0"
"hp1\0\0"
"hwv\0\0"
"ext\0\0"
"seq\0\0"
"sdt\0\0"
"mas\0\0"
"mton\0"
"mtof\0"
"urs\0\0"
"rso\0\0"
"wl\0\0\0"
"den\0\0"
"ipas\0"
"devid"
"con\0\0"
"lit\0\0"
"dim\0\0"
"bst\0\0"
"uwt\0\0"
"ntp1\0"
"ntp2\0"
"ntp3\0"
"ntp4\0"
"lg\0\0\0"
"mas2\0"
"mton2"
"mtof2"
"fwm\0\0"
"fpr0\0"
"fpr1\0"
"re\0\0\0"
"dns1\0"
"dns2\0"
"dns3\0"
"dns4\0"
"sar\0\0"
"ife\0\0"
"sn1t\0"
"sn1o\0"
"sn2t\0"
"sn2o\0"
"sn1on"
"sn1of"
"sn2on"
"sn2of"
"subn1"
"subn2"
"subn3"
"subn4"
"wimod"
"reset"
;
// for String options
/*
const char sopt_json_names[] PROGMEM =
"dkey\0"
"loc\0\0"
"jsp\0\0"
"wsp\0\0"
"wtkey"
"wto\0\0"
"ifkey"
"ssid\0"
"pass\0"
"mqtt\0"
"apass";
*/
/** Option promopts (stored in PROGMEM to reduce RAM usage) */
// Each string is strictly 16 characters
// with SPACE fillings if less
const char iopt_prompts[] PROGMEM =
"Firmware version"
"Time zone (GMT):"
"Enable NTP sync?"
"Enable DHCP? "
"Static.ip1: "
"Static.ip2: "
"Static.ip3: "
"Static.ip4: "
"Gateway.ip1: "
"Gateway.ip2: "
"Gateway.ip3: "
"Gateway.ip4: "
"HTTP Port: "
"----------------"
"Hardware version"
"# of exp. board:"
"----------------"
"Stn. delay (sec)"
"Master 1 (Mas1):"
"Mas1 on adjust:"
"Mas1 off adjust:"
"----------------"
"----------------"
"Watering level: "
"Device enabled? "
"Ignore password?"
"Device ID: "
"LCD contrast: "
"LCD brightness: "
"LCD dimming: "
"DC boost time: "
"Weather algo.: "
"NTP server.ip1: "
"NTP server.ip2: "
"NTP server.ip3: "
"NTP server.ip4: "
"Enable logging? "
"Master 2 (Mas2):"
"Mas2 on adjust:"
"Mas2 off adjust:"
"Firmware minor: "
"Pulse rate: "
"----------------"
"As remote ext.? "
"DNS server.ip1: "
"DNS server.ip2: "
"DNS server.ip3: "
"DNS server.ip4: "
"Special Refresh?"
"IFTTT Enable: "
"Sensor 1 type: "
"Normally open? "
"Sensor 2 type: "
"Normally open? "
"Sn1 on adjust: "
"Sn1 off adjust: "
"Sn2 on adjust: "
"Sn2 off adjust: "
"Subnet mask1: "
"Subnet mask2: "
"Subnet mask3: "
"Subnet mask4: "
"WiFi mode? "
"Factory reset? ";
// string options do not have prompts
/** Option maximum values (stored in PROGMEM to reduce RAM usage) */
const byte iopt_max[] PROGMEM = {
0,
108,
1,
1,
255,
255,
255,
255,
255,
255,
255,
255,
255,
255,
0,
MAX_EXT_BOARDS,
1,
255,
MAX_NUM_STATIONS,
255,
255,
255,
1,
250,
1,
1,
255,
255,
255,
255,
250,
255,
255,
255,
255,
255,
1,
MAX_NUM_STATIONS,
255,
255,
0,
255,
255,
1,
255,
255,
255,
255,
1,
255,
255,
1,
255,
1,
255,
255,
255,
255,
255,
255,
255,
255,
255,
1
};
// string options do not have maximum values
/** Integer option values (stored in RAM) */
byte OpenSprinkler::iopts[] = {
OS_FW_VERSION, // firmware version
28, // default time zone: GMT-5
1, // 0: disable NTP sync, 1: enable NTP sync
1, // 0: use static ip, 1: use dhcp
0, // this and next 3 bytes define static ip
0,
0,
0,
0, // this and next 3 bytes define static gateway ip
0,
0,
0,
#if defined(ARDUINO) // on AVR, the default HTTP port is 80
80, // this and next byte define http port number
0,
#else // on RPI/BBB/LINUX, the default HTTP port is 8080
144,// this and next byte define http port number
31,
#endif
OS_HW_VERSION,
0, // number of 8-station extension board. 0: no extension boards
1, // the option 'sequential' is now retired
120,// station delay time (-10 minutes to 10 minutes).
0, // index of master station. 0: no master station
120,// master on time adjusted time (-10 minutes to 10 minutes)
120,// master off adjusted time (-10 minutes to 10 minutes)
0, // urs (retired)
0, // rso (retired)
100,// water level (default 100%),
1, // device enable
0, // 1: ignore password; 0: use password
0, // device id
150,// lcd contrast
100,// lcd backlight
50, // lcd dimming
80, // boost time (only valid to DC and LATCH type)
0, // weather algorithm (0 means not using weather algorithm)
0, // this and the next three bytes define the ntp server ip
0,
0,
0,
1, // enable logging: 0: disable; 1: enable.
0, // index of master2. 0: no master2 station
120,// master2 on adjusted time
120,// master2 off adjusted time
OS_FW_MINOR, // firmware minor version
100,// this and next byte define flow pulse rate (100x)
0, // default is 1.00 (100)
0, // set as remote extension
8, // this and the next three bytes define the custom dns server ip
8,
8,
8,
0, // special station auto refresh
0, // ifttt enable bits
0, // sensor 1 type (see SENSOR_TYPE macro defines)
1, // sensor 1 option. 0: normally closed; 1: normally open. default 1.
0, // sensor 2 type
1, // sensor 2 option. 0: normally closed; 1: normally open. default 1.
0, // sensor 1 on delay
0, // sensor 1 off delay
0, // sensor 2 on delay
0, // sensor 2 off delay
255,// subnet mask 1
255,// subnet mask 2
255,// subnet mask 3
0,
WIFI_MODE_AP, // wifi mode
0 // reset
};
/** String option values (stored in RAM) */
const char *OpenSprinkler::sopts[] = {
DEFAULT_PASSWORD,
DEFAULT_LOCATION,
DEFAULT_JAVASCRIPT_URL,
DEFAULT_WEATHER_URL,
DEFAULT_EMPTY_STRING,
DEFAULT_EMPTY_STRING,
DEFAULT_EMPTY_STRING,
DEFAULT_EMPTY_STRING,
DEFAULT_EMPTY_STRING,
DEFAULT_EMPTY_STRING,
DEFAULT_EMPTY_STRING,
DEFAULT_EMPTY_STRING,
DEFAULT_EMPTY_STRING
};
/** Weekday strings (stored in PROGMEM to reduce RAM usage) */
static const char days_str[] PROGMEM =
"Mon\0"
"Tue\0"
"Wed\0"
"Thu\0"
"Fri\0"
"Sat\0"
"Sun\0";
/** Calculate local time (UTC time plus time zone offset) */
time_t OpenSprinkler::now_tz() {
return now()+(int32_t)3600/4*(int32_t)(iopts[IOPT_TIMEZONE]-48);
}
#if defined(ARDUINO) // AVR network init functions
bool detect_i2c(int addr) {
Wire.beginTransmission(addr);
return (Wire.endTransmission()==0); // successful if received 0
}
/** read hardware MAC into tmp_buffer */
#define MAC_CTRL_ID 0x50
bool OpenSprinkler::load_hardware_mac(byte* buffer, bool wired) {
#if defined(ESP8266)
WiFi.macAddress((byte*)buffer);
// if requesting wired Ethernet MAC, flip the last byte to create a modified MAC
if(wired) buffer[5] = ~buffer[5];
return true;
#else
// initialize the buffer by assigning software mac
buffer[0] = 0x00;
buffer[1] = 0x69;
buffer[2] = 0x69;
buffer[3] = 0x2D;
buffer[4] = 0x31;
buffer[5] = iopts[IOPT_DEVICE_ID];
if (detect_i2c(MAC_CTRL_ID)==false) return false;
Wire.beginTransmission(MAC_CTRL_ID);
Wire.write(0xFA); // The address of the register we want
Wire.endTransmission(); // Send the data
if(Wire.requestFrom(MAC_CTRL_ID, 6) != 6) return false; // if not enough data, return false
for(byte ret=0;ret<6;ret++) {
buffer[ret] = Wire.read();
}
return true;
#endif
}
void(* resetFunc) (void) = 0; // AVR software reset function
/** Initialize network with the given mac address and http port */
byte OpenSprinkler::start_network() {
lcd_print_line_clear_pgm(PSTR("Starting..."), 1);
uint16_t httpport = (uint16_t)(iopts[IOPT_HTTPPORT_1]<<8) + (uint16_t)iopts[IOPT_HTTPPORT_0];
if(m_server) { delete m_server; m_server = 0; }
if(Udp) { delete Udp; Udp = 0; }
#if defined(ESP8266)
if (start_ether()) {
m_server = new EthernetServer(httpport);
m_server->begin();
// todo: add option to keep both ether and wifi active
WiFi.mode(WIFI_OFF);
} else {
if(wifi_server) { delete wifi_server; wifi_server = 0; }
if(get_wifi_mode()==WIFI_MODE_AP) {
wifi_server = new ESP8266WebServer(80);
} else {
wifi_server = new ESP8266WebServer(httpport);
}
}
return 1;
#else
if(start_ether()) {
m_server = new EthernetServer(httpport);
m_server->begin();
Udp = new EthernetUDP();
// Start UDP service for NTP. Avoid the same port with http
if(httpport==8888)
Udp->begin(8000);
else
Udp->begin(8888);
return 1;
}
return 0;
#endif
}
byte OpenSprinkler::start_ether() {
#if defined(ESP8266)
if(hw_rev<2) return 0; // ethernet capability is only available after hw_rev 2
#endif
Ethernet.init(PIN_ETHER_CS); // make sure to call this before any Ethernet calls
load_hardware_mac((uint8_t*)tmp_buffer, true);
// detect if Enc28J60 exists
Enc28J60Network::init((uint8_t*)tmp_buffer);
uint8_t erevid = Enc28J60Network::geterevid();
// a valid chip must have erevid > 0 and < 255
if(erevid==0 || erevid==255) return 0;
lcd_print_line_clear_pgm(PSTR("Start wired link"), 1);
if (iopts[IOPT_USE_DHCP]) {
if(!Ethernet.begin((uint8_t*)tmp_buffer)) return 0;
memcpy(iopts+IOPT_STATIC_IP1, &(Ethernet.localIP()[0]), 4);
memcpy(iopts+IOPT_GATEWAY_IP1, &(Ethernet.gatewayIP()[0]),4);
memcpy(iopts+IOPT_DNS_IP1, &(Ethernet.dnsServerIP()[0]), 4);
memcpy(iopts+IOPT_SUBNET_MASK1, &(Ethernet.subnetMask()[0]), 4);
iopts_save();
} else {
IPAddress staticip(iopts+IOPT_STATIC_IP1);
IPAddress gateway(iopts+IOPT_GATEWAY_IP1);
IPAddress dns(iopts+IOPT_DNS_IP1);
IPAddress subn(iopts+IOPT_SUBNET_MASK1);
Ethernet.begin((uint8_t*)tmp_buffer, staticip, dns, gateway, subn);
}
//if(Ethernet.linkStatus() != LinkON) return 0;
return 1;
}
bool OpenSprinkler::network_connected(void) {
#if defined (ESP8266)
if(m_server) {
return (Ethernet.linkStatus()==LinkON);
} else {
return (get_wifi_mode()==WIFI_MODE_STA && WiFi.status()==WL_CONNECTED && state==OS_STATE_CONNECTED);
}
#else
return (Ethernet.linkStatus()==LinkON);
#endif
}
/** Reboot controller */
void OpenSprinkler::reboot_dev(uint8_t cause) {
lcd_print_line_clear_pgm(PSTR("Rebooting..."), 0);
if(cause) {
nvdata.reboot_cause = cause;
nvdata_save();
}
#if defined(ESP8266)
ESP.restart();
//ESP.reset();
#else
resetFunc();
#endif
}
#else // RPI/BBB/LINUX network init functions
#include "etherport.h"
#include <sys/reboot.h>
#include <stdlib.h>
#include "utils.h"
#include "server.h"
/** Initialize network with the given mac address and http port */
byte OpenSprinkler::start_network() {
unsigned int port = (unsigned int)(iopts[IOPT_HTTPPORT_1]<<8) + (unsigned int)iopts[IOPT_HTTPPORT_0];
#if defined(DEMO)
port = 80;
#endif
if(m_server) { delete m_server; m_server = 0; }
m_server = new EthernetServer(port);
return m_server->begin();
}
bool OpenSprinkler::network_connected(void) {
return true;
}
/** Reboot controller */
void OpenSprinkler::reboot_dev(uint8_t cause) {
nvdata.reboot_cause = cause;
nvdata_save();
#if defined(DEMO)
// do nothing
#else
sync(); // add sync to prevent file corruption
reboot(RB_AUTOBOOT);
#endif
}
/** Launch update script */
void OpenSprinkler::update_dev() {
char cmd[1000];
sprintf(cmd, "cd %s & ./updater.sh", get_runtime_path());
system(cmd);
}
#endif // end network init functions
#if defined(ARDUINO)
/** Initialize LCD */
void OpenSprinkler::lcd_start() {
#if defined(ESP8266)
// initialize SSD1306
lcd.init();
lcd.begin();
flash_screen();
#else
// initialize 16x2 character LCD
// turn on lcd
lcd.init(1, PIN_LCD_RS, 255, PIN_LCD_EN, PIN_LCD_D4, PIN_LCD_D5, PIN_LCD_D6, PIN_LCD_D7, 0,0,0,0);
lcd.begin();
if (lcd.type() == LCD_STD) {
// this is standard 16x2 LCD
// set PWM frequency for adjustable LCD backlight and contrast
TCCR1B = 0x02; // increase division factor for faster clock
// turn on LCD backlight and contrast
lcd_set_brightness();
lcd_set_contrast();
} else {
// for I2C LCD, we don't need to do anything
}
#endif
}
#endif
//extern void flow_isr();
/** Initialize pins, controller variables, LCD */
void OpenSprinkler::begin() {
#if defined(ARDUINO)
Wire.begin(); // init I2C
#endif
hw_type = HW_TYPE_UNKNOWN;
hw_rev = 0;
#if defined(ESP8266)
/* check hardware type */
if(detect_i2c(ACDR_I2CADDR)) hw_type = HW_TYPE_AC;
else if(detect_i2c(DCDR_I2CADDR)) hw_type = HW_TYPE_DC;
else if(detect_i2c(LADR_I2CADDR)) hw_type = HW_TYPE_LATCH;
/* detect hardware revision type */
if(detect_i2c(MAIN_I2CADDR)) { // check if main PCF8574 exists
/* assign revision 0 pins */
PIN_BUTTON_1 = V0_PIN_BUTTON_1;
PIN_BUTTON_2 = V0_PIN_BUTTON_2;
PIN_BUTTON_3 = V0_PIN_BUTTON_3;
PIN_RFRX = V0_PIN_RFRX;
PIN_RFTX = V0_PIN_RFTX;
PIN_BOOST = V0_PIN_BOOST;
PIN_BOOST_EN = V0_PIN_BOOST_EN;
PIN_SENSOR1 = V0_PIN_SENSOR1;
PIN_SENSOR2 = V0_PIN_SENSOR2;
// on revision 0, main IOEXP and driver IOEXP are two separate PCF8574 chips
if(hw_type==HW_TYPE_DC) {
drio = new PCF8574(DCDR_I2CADDR);
} else if(hw_type==HW_TYPE_LATCH) {
drio = new PCF8574(LADR_I2CADDR);
} else {
drio = new PCF8574(ACDR_I2CADDR);
}
mainio = new PCF8574(MAIN_I2CADDR);
mainio->i2c_write(0, 0x0F); // set lower four bits of main PCF8574 (8-ch) to high
digitalWriteExt(V0_PIN_PWR_TX, 1); // turn on TX power
digitalWriteExt(V0_PIN_PWR_RX, 1); // turn on RX power
pinModeExt(PIN_BUTTON_2, INPUT_PULLUP);
digitalWriteExt(PIN_BOOST, LOW);
digitalWriteExt(PIN_BOOST_EN, LOW);
digitalWriteExt(PIN_LATCH_COM, LOW);
} else {
if(hw_type==HW_TYPE_DC) {
drio = new PCA9555(DCDR_I2CADDR);
} else if(hw_type==HW_TYPE_LATCH) {
drio = new PCA9555(LADR_I2CADDR);
} else {
drio = new PCA9555(ACDR_I2CADDR);
}
mainio = drio;
pinMode(16, INPUT);
if(digitalRead(16)==LOW) {
// revision 1
hw_rev = 1;
mainio->i2c_write(NXP_CONFIG_REG, V1_IO_CONFIG);
mainio->i2c_write(NXP_OUTPUT_REG, V1_IO_OUTPUT);
PIN_BUTTON_1 = V1_PIN_BUTTON_1;
PIN_BUTTON_2 = V1_PIN_BUTTON_2;
PIN_BUTTON_3 = V1_PIN_BUTTON_3;
PIN_RFRX = V1_PIN_RFRX;
PIN_RFTX = V1_PIN_RFTX;
PIN_IOEXP_INT = V1_PIN_IOEXP_INT;
PIN_BOOST = V1_PIN_BOOST;
PIN_BOOST_EN = V1_PIN_BOOST_EN;
PIN_LATCH_COM = V1_PIN_LATCH_COM;
PIN_SENSOR1 = V1_PIN_SENSOR1;
PIN_SENSOR2 = V1_PIN_SENSOR2;
} else {
// revision 2
hw_rev = 2;
mainio->i2c_write(NXP_CONFIG_REG, V2_IO_CONFIG);
mainio->i2c_write(NXP_OUTPUT_REG, V2_IO_OUTPUT);
PIN_BUTTON_1 = V2_PIN_BUTTON_1;
PIN_BUTTON_2 = V2_PIN_BUTTON_2;
PIN_BUTTON_3 = V2_PIN_BUTTON_3;
PIN_RFTX = V2_PIN_RFTX;
PIN_BOOST = V2_PIN_BOOST;
PIN_BOOST_EN = V2_PIN_BOOST_EN;
PIN_LATCH_COM = V2_PIN_LATCH_COM;
PIN_SENSOR1 = V2_PIN_SENSOR1;
PIN_SENSOR2 = V2_PIN_SENSOR2;
}
}
/* detect expanders */
for(byte i=0;i<(MAX_NUM_BOARDS)/2;i++)
expanders[i] = NULL;
detect_expanders();
#else
// shift register setup
pinMode(PIN_SR_OE, OUTPUT);
// pull shift register OE high to disable output
digitalWrite(PIN_SR_OE, HIGH);
pinMode(PIN_SR_LATCH, OUTPUT);
digitalWrite(PIN_SR_LATCH, HIGH);
pinMode(PIN_SR_CLOCK, OUTPUT);
#if defined(OSPI)
pin_sr_data = PIN_SR_DATA;
// detect RPi revision
unsigned int rev = detect_rpi_rev();
if (rev==0x0002 || rev==0x0003)
pin_sr_data = PIN_SR_DATA_ALT;
// if this is revision 1, use PIN_SR_DATA_ALT
pinMode(pin_sr_data, OUTPUT);
#else
pinMode(PIN_SR_DATA, OUTPUT);
#endif
#endif
// Reset all stations
clear_all_station_bits();
apply_all_station_bits();
#if defined(ESP8266)
// OS 3.0 has two independent sensors
pinModeExt(PIN_SENSOR1, INPUT_PULLUP);
pinModeExt(PIN_SENSOR2, INPUT_PULLUP);
#else
// pull shift register OE low to enable output
digitalWrite(PIN_SR_OE, LOW);
// Rain sensor port set up
pinMode(PIN_SENSOR1, INPUT_PULLUP);
#if defined(PIN_SENSOR2)
pinMode(PIN_SENSOR2, INPUT_PULLUP);
#endif
#endif
// Default controller status variables
// Static variables are assigned 0 by default
// so only need to initialize non-zero ones
status.enabled = 1;
status.safe_reboot = 0;
old_status = status;
nvdata.sunrise_time = 360; // 6:00am default sunrise
nvdata.sunset_time = 1080; // 6:00pm default sunset
nvdata.reboot_cause = REBOOT_CAUSE_POWERON;
nboards = 1;
nstations = nboards*8;
// set rf data pin
pinModeExt(PIN_RFTX, OUTPUT);
digitalWriteExt(PIN_RFTX, LOW);
#if defined(ARDUINO) // AVR SD and LCD functions
#if defined(ESP8266) // OS3.0 specific detections
status.has_curr_sense = 1; // OS3.0 has current sensing capacility
// measure baseline current
baseline_current = 80;
#else // OS 2.3 specific detections
// detect hardware type
if (detect_i2c(MAC_CTRL_ID)) {
Wire.beginTransmission(MAC_CTRL_ID);
Wire.write(0x00);
Wire.endTransmission();
Wire.requestFrom(MAC_CTRL_ID, 1);
byte ret = Wire.read();
if (ret == HW_TYPE_AC || ret == HW_TYPE_DC || ret == HW_TYPE_LATCH) {
hw_type = ret;
} else {
hw_type = HW_TYPE_AC; // if type not supported, make it AC
}
}
if (hw_type == HW_TYPE_DC) {
pinMode(PIN_BOOST, OUTPUT);
digitalWrite(PIN_BOOST, LOW);
pinMode(PIN_BOOST_EN, OUTPUT);
digitalWrite(PIN_BOOST_EN, LOW);
}
// detect if current sensing pin is present
pinMode(PIN_CURR_DIGITAL, INPUT);
digitalWrite(PIN_CURR_DIGITAL, HIGH); // enable internal pullup
status.has_curr_sense = digitalRead(PIN_CURR_DIGITAL) ? 0 : 1;
digitalWrite(PIN_CURR_DIGITAL, LOW);
baseline_current = 0;
#endif
lcd_start();
lcd.createChar(ICON_CONNECTED, _iconimage_connected);
lcd.createChar(ICON_DISCONNECTED, _iconimage_disconnected);
lcd.createChar(ICON_REMOTEXT, _iconimage_remotext);
lcd.createChar(ICON_RAINDELAY, _iconimage_raindelay);
lcd.createChar(ICON_RAIN, _iconimage_rain);
lcd.createChar(ICON_SOIL, _iconimage_soil);
#if defined(ESP8266)
/* create custom characters */
lcd.createChar(ICON_ETHER_CONNECTED, _iconimage_ether_connected);
lcd.createChar(ICON_ETHER_DISCONNECTED, _iconimage_ether_disconnected);
lcd.setCursor(0,0);
lcd.print(F("Init file system"));
lcd.setCursor(0,1);
if(!SPIFFS.begin()) {
// !!! flash init failed, stall as we cannot proceed
lcd.setCursor(0, 0);
lcd_print_pgm(PSTR("Error Code: 0x2D"));
delay(5000);
}
state = OS_STATE_INITIAL;
#else
// set sd cs pin high to release SD
pinMode(PIN_SD_CS, OUTPUT);
digitalWrite(PIN_SD_CS, HIGH);
if(!sd.begin(PIN_SD_CS, SPI_HALF_SPEED)) {
// !!! sd card not detected, stall as we cannot proceed
lcd.setCursor(0, 0);
lcd_print_pgm(PSTR("Error Code: 0x2D"));
while(1){}
}
#endif
// set button pins
// enable internal pullup
pinMode(PIN_BUTTON_1, INPUT_PULLUP);
pinMode(PIN_BUTTON_2, INPUT_PULLUP);
pinMode(PIN_BUTTON_3, INPUT_PULLUP);
// detect and check RTC type
RTC.detect();
#else
DEBUG_PRINTLN(get_runtime_path());
#endif
}
#if defined(ESP8266)
/** LATCH boost voltage
*
*/
void OpenSprinkler::latch_boost() {
digitalWriteExt(PIN_BOOST, HIGH); // enable boost converter
delay((int)iopts[IOPT_BOOST_TIME]<<2); // wait for booster to charge
digitalWriteExt(PIN_BOOST, LOW); // disable boost converter
}
/** Set all zones (for LATCH controller)
* This function sets all zone pins (including COM) to a specified value
*/
void OpenSprinkler::latch_setallzonepins(byte value) {
digitalWriteExt(PIN_LATCH_COM, value); // set latch com pin
// Handle driver board (on main controller)
if(drio->type==IOEXP_TYPE_9555) { // LATCH contorller only uses PCA9555, no other type
uint16_t reg = drio->i2c_read(NXP_OUTPUT_REG); // read current output reg value
if(value) reg |= 0x00FF; // first 8 zones are the lowest 8 bits of main driver board
else reg &= 0xFF00;
drio->i2c_write(NXP_OUTPUT_REG, reg); // write value to register
}
// Handle all expansion boards
for(byte i=0;i<MAX_EXT_BOARDS/2;i++) { //
if(expanders[i]->type==IOEXP_TYPE_9555) {
expanders[i]->i2c_write(NXP_OUTPUT_REG, value?0xFFFF:0x0000);
}
}
}
/** Set one zone (for LATCH controller)
* This function sets one specified zone pin to a specified value
*/
void OpenSprinkler::latch_setzonepin(byte sid, byte value) {
if(sid<8) { // on main controller
if(drio->type==IOEXP_TYPE_9555) { // LATCH contorller only uses PCA9555, no other type
uint16_t reg = drio->i2c_read(NXP_OUTPUT_REG); // read current output reg value
if(value) reg |= (1<<sid);
else reg &= (~(1<<sid));
drio->i2c_write(NXP_OUTPUT_REG, reg); // write value to register
}
} else { // on expander
byte bid=(sid-8)>>4;
uint16_t s=(sid-8)&0x0F;
if(expanders[bid]->type==IOEXP_TYPE_9555) {
uint16_t reg = expanders[bid]->i2c_read(NXP_OUTPUT_REG); // read current output reg value
if(value) reg |= (1<<s);
else reg &= (~(1<<s));
expanders[bid]->i2c_write(NXP_OUTPUT_REG, reg);
}
}
}
/** LATCH open / close a station
*
*/
void OpenSprinkler::latch_open(byte sid) {
latch_boost(); // boost voltage
latch_setallzonepins(HIGH); // set all switches to HIGH, including COM
latch_setzonepin(sid, LOW); // set the specified switch to LOW
delay(1); // delay 1 ms for all gates to stablize
digitalWriteExt(PIN_BOOST_EN, HIGH); // dump boosted voltage
delay(100); // for 100ms
latch_setzonepin(sid, HIGH); // set the specified switch back to HIGH
digitalWriteExt(PIN_BOOST_EN, LOW); // disable boosted voltage
}
void OpenSprinkler::latch_close(byte sid) {
latch_boost(); // boost voltage
latch_setallzonepins(LOW); // set all switches to LOW, including COM
latch_setzonepin(sid, HIGH);// set the specified switch to HIGH
delay(1); // delay 1 ms for all gates to stablize
digitalWriteExt(PIN_BOOST_EN, HIGH); // dump boosted voltage
delay(100); // for 100ms
latch_setzonepin(sid, LOW); // set the specified switch back to LOW
digitalWriteExt(PIN_BOOST_EN, LOW); // disable boosted voltage
latch_setallzonepins(HIGH); // set all switches back to HIGH
}
/**
* LATCH version of apply_all_station_bits
*/
void OpenSprinkler::latch_apply_all_station_bits() {
if(hw_type==HW_TYPE_LATCH && engage_booster) {
for(byte i=0;i<nstations;i++) {
byte bid=i>>3;
byte s=i&0x07;
byte mask=(byte)1<<s;
if(station_bits[bid] & mask) {
if(prev_station_bits[bid] & mask) continue; // already set
latch_open(i);
} else {
if(!(prev_station_bits[bid] & mask)) continue; // already reset