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OpenSprinkler.cpp
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OpenSprinkler.cpp
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/* OpenSprinkler Unified (AVR/RPI/BBB/LINUX/ESP8266) Firmware
* Copyright (C) 2015 by Ray Wang (ray@opensprinkler.com)
*
* 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 "opensprinkler_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)
SHT31 OpenSprinkler::SHT31sensor; // Added SHT Hum, Temp Sensor
//ADS1X15 OpenSprinkler::ADS1X15adc; // Added ADS Master Class
ADS1115 OpenSprinkler::ADS1115adc0(0x48); // Derived ADS1115-class from ADS1X15
ADS1115 OpenSprinkler::ADS1115adc1(0x49);
INA_Class OpenSprinkler::INAcurrentSensor; // Added INA Current Sensor
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;
uint8_t OpenSprinkler::INAdevicesFound{0}; // Added INA Devices Found counter
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 <sys/ioctl.h>
#include <net/if.h>
#include "utils.h"
#include "opensprinkler_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;
}
// Return mac of first recognised interface and fallback to software mac
// Note: on OSPi, operating system handles interface allocation so 'wired' ignored
bool OpenSprinkler::load_hardware_mac(byte* mac, bool wired) {
const char * if_names[] = { "eth0", "eth1", "wlan0", "wlan1" };
struct ifreq ifr;
int fd;
// Fallback to asoftware mac if interface not recognised
mac[0] = 0x00;
mac[1] = 0x69;
mac[2] = 0x69;
mac[3] = 0x2D;
mac[4] = 0x31;
mac[5] = iopts[IOPT_DEVICE_ID];
if (m_server == NULL) return true;
if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) == 0) return true;
// Returns the mac address of the first interface if multiple active
for (int i = 0; i < sizeof(if_names)/sizeof(const char *); i++) {
strncpy(ifr.ifr_name, if_names[i], sizeof(ifr.ifr_name));
if (ioctl(fd, SIOCGIFHWADDR, &ifr) != -1) {
memcpy(mac, ifr.ifr_hwaddr.sa_data, 6);
break;
}
}
close(fd);
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)
void OpenSprinkler::i2c_sensors_init() {
//if (get_wifi_mode() != WIFI_MODE_AP)
if(true)
{
// init INA Current Sensors with (maxAmp,µOhm,[devID])
// for further details refer to https://github.com/Zanduino/INA/wiki/
INAdevicesFound = INAcurrentSensor.begin(5, 100000);
INAcurrentSensor.setBusConversion(600); // Maximum conversion time 8.244ms
INAcurrentSensor.setShuntConversion(600); // Maximum conversion time 8.244ms
INAcurrentSensor.setAveraging(32); // Average each reading n-times
/*INA_MODE_SHUTDOWN, ///< Device powered down
---> CAREFUL! If the system mode is set to triggered measurements rather than continuous
ones (see setMode() for details) then the next measurement is not triggered by this
read, that needs to be done with a call to getBusMilliVolts() or getShuntMicroVolts().
INA_MODE_TRIGGERED_SHUNT, ///< Triggered shunt, no bus
INA_MODE_TRIGGERED_BUS, ///< Triggered bus, no shunt
INA_MODE_TRIGGERED_BOTH, ///< Triggered bus and shunt
INA_MODE_POWER_DOWN, ///< shutdown or power-down
INA_MODE_CONTINUOUS_SHUNT, ///< Continuous shunt, no bus
INA_MODE_CONTINUOUS_BUS, ///< Continuous bus, no shunt*/
INAcurrentSensor.setMode(INA_MODE_CONTINUOUS_BOTH); // Bus/shunt measured continuously
INAcurrentSensor.alertOnBusOverVoltage(true, 5000); // Trigger alert if over 12V on bus
// init ADS1115 ADC, details: https://github.com/RobTillaart/ADS1X15
ADS1115adc0.begin();
ADS1115adc0.setGain(0); // this and below can also be set in loop individually for one port!
ADS1115adc0.setMode(1);
ADS1115adc0.setDataRate(4);
// init second ADC
ADS1115adc1.begin();
ADS1115adc1.setGain(0);
ADS1115adc1.setMode(1);
ADS1115adc1.setDataRate(4);
// init SHT31 with address, details: https://github.com/RobTillaart/SHT31/
SHT31sensor.begin(0x44);
}
}
/** 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 (was 80, changed for use of INA Current Sensor)
baseline_current = 5;
#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();
// init I2C sensors
i2c_sensors_init();
#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