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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/>.
*/
#if !defined(ARDUINO)
#include <netdb.h>
#endif
#include "OpenSprinkler.h"
#include "server.h"
#include "gpio.h"
#include "images.h"
/** Declare static data members */
NVConData OpenSprinkler::nvdata;
ConStatus OpenSprinkler::status;
ConStatus OpenSprinkler::old_status;
byte OpenSprinkler::hw_type;
byte OpenSprinkler::nboards;
byte OpenSprinkler::nstations;
byte OpenSprinkler::station_bits[MAX_EXT_BOARDS + 1];
#if defined(__AVR_ATmega1284P__) || defined(__AVR_ATmega1284__) || defined(ESP8266)
byte OpenSprinkler::engage_booster;
uint16_t OpenSprinkler::baseline_current;
#endif
ulong OpenSprinkler::sensor_lasttime;
ulong OpenSprinkler::flowcount_log_start;
ulong OpenSprinkler::flowcount_rt;
volatile ulong OpenSprinkler::flowcount_time_ms;
ulong OpenSprinkler::raindelay_start_time;
byte OpenSprinkler::button_timeout;
ulong OpenSprinkler::checkwt_lasttime;
ulong OpenSprinkler::checkwt_success_lasttime;
byte OpenSprinkler::weather_update_flag;
char tmp_buffer[TMP_BUFFER_SIZE + 1]; // scratch buffer
#ifndef OSMICRO
const char wtopts_filename[] PROGMEM = WEATHER_OPTS_FILENAME;
const char stns_filename[] PROGMEM = STATION_ATTR_FILENAME;
#endif
const char ifkey_filename[] PROGMEM = IFTTT_KEY_FILENAME;
#ifdef ESP8266
const char wifi_filename[] PROGMEM = WIFI_FILENAME;
byte OpenSprinkler::state = OS_STATE_INITIAL;
WiFiConfig OpenSprinkler::wifi_config =
{WIFI_MODE_AP, "", ""};
extern ESP8266WebServer *wifi_server;
extern char ether_buffer[];
#endif
#if defined(ARDUINO) && !defined(ESP8266)
#ifndef OSMICRO
LiquidCrystal OpenSprinkler::lcd;
#include <SdFat.h>
extern SdFat sd;
#endif
#elif defined(ESP8266)
#include <FS.h>
SSD1306Display OpenSprinkler::lcd(0x3c, SDA, SCL);
#else
// todo: LCD define for Linux-based systems
#endif
#if defined(OSPI)
byte OpenSprinkler::pin_sr_data = PIN_SR_DATA;
#endif
/** Option json names (stored in progmem) */
// IMPORTANT: each json name is strictly 5 characters
// with 0 fillings if less
#define OP_JSON_NAME_STEPSIZE 5
const char op_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"
"reset";
#ifndef OSMICRO
/** Option promopts (stored in progmem, for LCD display) */
// Each string is strictly 16 characters
// with SPACE fillings if less
const char op_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:"
"Sensor type: "
"Normally open? "
"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: "
"Factory reset? ";
#endif
/** Option maximum values (stored in progmem) */
const char op_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,
1
};
/** Option values (stored in RAM) */
byte OpenSprinkler::options[] =
{
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, // sensor function (see SENSOR_TYPE macro defines)
0, // rain sensor type. 0: normally closed; 1: normally open.
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)
50, // this and the next three bytes define the ntp server ip
97,
210,
169,
0, // 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
// reset
};
#ifndef OSMICRO
/** Weekday strings (stored in progmem, for LCD display) */
static const char days_str[] PROGMEM =
"Mon\0"
"Tue\0"
"Wed\0"
"Thu\0"
"Fri\0"
"Sat\0"
"Sun\0";
#endif
/** Calculate local time (UTC time plus time zone offset) */
time_t OpenSprinkler::now_tz()
{
return now()
+ (int32_t) 3600 / 4 * (int32_t) (options[OPTION_TIMEZONE] - 48);
}
#if defined(ARDUINO) // AVR network init functions
bool detect_i2c(int addr)
{
Wire.beginTransmission(addr);
//Wire.write((uint8_t)0x00);
return (Wire.endTransmission() == 0);
}
/** read hardware MAC */
#define MAC_CTRL_ID 0x50
bool OpenSprinkler::read_hardware_mac()
{
#ifdef ESP8266
WiFi.macAddress((byte*)tmp_buffer);
return true;
#else
uint8_t ret;
ret = detect_i2c(MAC_CTRL_ID);
if (ret)
return false;
Wire.beginTransmission(MAC_CTRL_ID);
Wire.write(0xFA); // The address of the register we want
Wire.endTransmission(); // Send the data
Wire.requestFrom(MAC_CTRL_ID, 6); // Request 6 bytes from the EEPROM
while (!Wire.available())
; // Wait for the response
for (ret = 0; ret < 6; ret++)
{
tmp_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()
{
#ifdef ESP8266
lcd_print_line_clear_pgm(PSTR("Starting..."), 1);
if(wifi_server) delete wifi_server;
if(get_wifi_mode()==WIFI_MODE_AP)
{
wifi_server = new ESP8266WebServer(80);
}
else
{
uint16_t httpport = (uint16_t)(options[OPTION_HTTPPORT_1]<<8) + (uint16_t)options[OPTION_HTTPPORT_0];
wifi_server = new ESP8266WebServer(httpport);
/*byte* _ip = options+OPTION_STATIC_IP1;
IPAddress ip(_ip[0], _ip[1], _ip[2], _ip[3]);
if(options[OPTION_USE_DHCP]) {
wifi_server = new ESP8266WebServer(httpport);
} else {
wifi_server = new ESP8266WebServer(ip, httpport);
}*/
}
status.has_hwmac = 1;
#else
#ifndef OSMICRO
lcd_print_line_clear_pgm(PSTR("Connecting..."), 1);
// new from 2.2: read hardware MAC
if (!read_hardware_mac())
{
#endif
// if no hardware MAC exists, use software MAC
tmp_buffer[0] = 0x00;
tmp_buffer[1] = 0x69;
tmp_buffer[2] = 0x69;
tmp_buffer[3] = 0x2D;
tmp_buffer[4] = 0x31;
tmp_buffer[5] = options[OPTION_DEVICE_ID];
#ifndef OSMICRO
}
else
{
// has hardware MAC chip
status.has_hwmac = 1;
}
#endif
if (!ether.begin(ETHER_BUFFER_SIZE, (uint8_t*) tmp_buffer, PIN_ETHER_CS))
return 0;
// calculate http port number
ether.hisport = (unsigned int) (options[OPTION_HTTPPORT_1] << 8)
+ (unsigned int) options[OPTION_HTTPPORT_0];
#ifndef OSMICRO
if (options[OPTION_USE_DHCP])
{
// set up DHCP
// register with domain name "OS-xx" where xx is the last byte of the MAC address
if (!ether.dhcpSetup())
return 0;
// once we have valid DHCP IP, we write these into static IP / gateway IP
memcpy(options + OPTION_STATIC_IP1, ether.myip, 4);
memcpy(options + OPTION_GATEWAY_IP1, ether.gwip, 4);
memcpy(options + OPTION_DNS_IP1, ether.dnsip, 4);
options_save();
}
else
{
// set up static IP
byte *staticip = options + OPTION_STATIC_IP1;
byte *gateway = options + OPTION_GATEWAY_IP1;
byte *dns = options + OPTION_DNS_IP1;
if (!ether.staticSetup(staticip, gateway, dns))
return 0;
}
#else
// set up DHCP
// register with domain name "OS-xx" where xx is the last byte of the MAC address
if (!ether.dhcpSetup())
return 0;
// once we have valid DHCP IP, we write these into static IP / gateway IP
memcpy(options + OPTION_STATIC_IP1, ether.myip, 4);
memcpy(options + OPTION_GATEWAY_IP1, ether.gwip, 4);
memcpy(options + OPTION_DNS_IP1, ether.dnsip, 4);
options_save();
#endif
#endif
return 1;
}
/** Reboot controller */
void OpenSprinkler::reboot_dev()
{
#ifdef ESP8266
ESP.restart();
#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"
extern EthernetServer *m_server;
extern char ether_buffer[];
/** Initialize network with the given mac address and http port */
byte OpenSprinkler::start_network()
{
unsigned int port = (unsigned int)(options[OPTION_HTTPPORT_1]<<8) + (unsigned int)options[OPTION_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();
}
/** Reboot controller */
void OpenSprinkler::reboot_dev()
{
#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[1024];
sprintf(cmd, "cd %s & ./updater.sh", get_runtime_path());
system(cmd);
}
#endif // end network init functions
#ifndef OSMICRO
#if defined(ARDUINO)
/** Initialize LCD */
void OpenSprinkler::lcd_start()
{
#ifdef 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
#if OS_HW_VERSION==(OS_HW_VERSION_BASE+20) || OS_HW_VERSION==(OS_HW_VERSION_BASE+21) // 8MHz and 12MHz
TCCR1B = 0x01;
#else // 16MHz
TCCR1B = 0x02; // increase division factor for faster clock
#endif
// 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
#endif
extern void flow_isr();
/** Initialize pins, controller variables, LCD */
void OpenSprinkler::begin()
{
#if defined(ARDUINO)
// Init I2C
Wire.begin();
#endif
#ifndef OSMICRO
#ifdef ESP8266
pcf_write(MAIN_I2CADDR, 0x0F); // set lower four bits of main PCF8574 to high
digitalWriteExt(PIN_PWR_TX, 1);// turn on TX power
digitalWriteExt(PIN_PWR_RX, 1);// turn on RX power
#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
#endif
// Reset all stations
clear_all_station_bits();
apply_all_station_bits();
#ifdef ESP8266
pinMode(PIN_SENSOR1, INPUT_PULLUP);
pinMode(PIN_SENSOR2, INPUT_PULLUP);
#else
#ifndef OSMICRO
// pull shift register OE low to enable output
digitalWrite(PIN_SR_OE, LOW);
// Rain sensor port set up
pinMode(PIN_RAINSENSOR, INPUT);
#endif
#endif
// Set up sensors
#if defined(ARDUINO)
#ifdef ESP8266
attachInterrupt(PIN_FLOWSENSOR, flow_isr, FALLING);
#else
#ifndef OSMICRO
digitalWrite(PIN_RAINSENSOR, HIGH); // enabled internal pullup on rain sensor
attachInterrupt(PIN_FLOWSENSOR_INT, flow_isr, FALLING);
#endif
#endif
#else
// OSPI and OSBO use external pullups
attachInterrupt(PIN_FLOWSENSOR, "falling", flow_isr);
#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
nboards = 1;
nstations = 8;
// set rf data pin
#ifndef OSMICRO
pinMode(PIN_RFTX, OUTPUT);
digitalWrite(PIN_RFTX, LOW);
#endif
hw_type = HW_TYPE_AC;
#if defined(ARDUINO) // AVR SD and LCD functions
#if defined(__AVR_ATmega1284P__) || defined(__AVR_ATmega1284__) // OS 2.3 specific detections
uint8_t ret;
// detect hardware type
ret = detect_i2c(MAC_CTRL_ID);
if (!ret)
{
Wire.requestFrom(MAC_CTRL_ID, 1);
while(!Wire.available());
ret = Wire.read();
if (ret == HW_TYPE_AC || ret == HW_TYPE_DC || ret == HW_TYPE_LATCH)
{
hw_type = ret;
}
else
{
// hardware type is not assigned
}
}
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;
#elif defined(ESP8266) // OS3.0 specific detections
// detect hardware type
hw_type = HW_TYPE_AC;
if(detect_i2c(DCDR_I2CADDR)) hw_type = HW_TYPE_DC;
if(detect_i2c(LADR_I2CADDR)) hw_type = HW_TYPE_LATCH;
if (hw_type == HW_TYPE_DC)
{
digitalWriteExt(PIN_BOOST, LOW);
digitalWriteExt(PIN_BOOST_EN, LOW);
}
status.has_curr_sense = 1; // OS3.0 has current sensing capacility
// measure baseline current
baseline_current = 100;
#endif
#ifndef OSMICRO
lcd_start();
#endif
#if !defined(ESP8266)
#ifndef OSMICRO
// define lcd custom icons
byte _icon[8];
// WiFi icon
_icon[0] = B00000;
_icon[1] = B10100;
_icon[2] = B01000;
_icon[3] = B10101;
_icon[4] = B00001;
_icon[5] = B00101;
_icon[6] = B00101;
_icon[7] = B10101;
lcd.createChar(1, _icon);
_icon[1] = 0;
_icon[2] = 0;
_icon[3] = 1;
lcd.createChar(0, _icon);
// uSD card icon
_icon[1] = B00000;
_icon[2] = B11111;
_icon[3] = B10001;
_icon[4] = B11111;
_icon[5] = B10001;
_icon[6] = B10011;
_icon[7] = B11110;
lcd.createChar(2, _icon);
// Rain icon
_icon[2] = B00110;
_icon[3] = B01001;
_icon[4] = B11111;
_icon[5] = B00000;
_icon[6] = B10101;
_icon[7] = B10101;
lcd.createChar(3, _icon);
// Connect icon
_icon[2] = B00111;
_icon[3] = B00011;
_icon[4] = B00101;
_icon[5] = B01000;
_icon[6] = B10000;
_icon[7] = B00000;
lcd.createChar(4, _icon);
// Remote extension icon
_icon[2] = B00000;
_icon[3] = B10001;
_icon[4] = B01011;
_icon[5] = B00101;
_icon[6] = B01001;
_icon[7] = B11110;
lcd.createChar(5, _icon);
// Flow sensor icon
_icon[2] = B00000;
_icon[3] = B11010;
_icon[4] = B10010;
_icon[5] = B11010;
_icon[6] = B10011;
_icon[7] = B00000;
lcd.createChar(6, _icon);
// Program switch icon
_icon[1] = B11100;
_icon[2] = B10100;
_icon[3] = B11100;
_icon[4] = B10010;
_icon[5] = B10110;
_icon[6] = B00010;
_icon[7] = B00111;
lcd.createChar(7, _icon);
// 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))
{
status.has_sd = 1;
}
#endif
#else
/* create custom characters */
lcd.createChar(0, _iconimage_connected);
lcd.createChar(1, _iconimage_disconnected);
lcd.createChar(2, _iconimage_sdcard);
lcd.createChar(3, _iconimage_rain);
lcd.createChar(4, _iconimage_connect);
lcd.createChar(5, _iconimage_remotext);
lcd.createChar(6, _iconimage_flow);
lcd.createChar(7, _iconimage_pswitch);
lcd.setCursor(0,0);
lcd.print(F("Init file system"));
lcd.setCursor(0,1);
if(!SPIFFS.begin())
{
DEBUG_PRINTLN(F("failed to mount file system!"));
status.has_sd = 0;
}
else
{
status.has_sd = 1;
}
state = OS_STATE_INITIAL;
#endif
#if defined(__AVR_ATmega1284P__) || defined(__AVR_ATmega1284__)
if(!status.has_sd)
{
lcd.setCursor(0, 0);
lcd_print_pgm(PSTR("Error Code: 0x2D"));
while(1)
{}
}
#endif
// set button pins
// enable internal pullup
#if !defined(ESP8266)
#ifndef OSMICRO
pinMode(PIN_BUTTON_1, INPUT);
pinMode(PIN_BUTTON_2, INPUT);
pinMode(PIN_BUTTON_3, INPUT);
digitalWrite(PIN_BUTTON_1, HIGH);
digitalWrite(PIN_BUTTON_2, HIGH);
digitalWrite(PIN_BUTTON_3, HIGH);
#endif
#else
pinMode(PIN_BUTTON_2, INPUT_PULLUP);
// button 1 and 3 are on IOEXP and hence do not need pullup setup
#endif
// detect and check RTC type
RTC.detect();
#else
status.has_sd = 1;
DEBUG_PRINTLN(get_runtime_path());
#endif
}
/** Apply all station bits
* !!! This will activate/deactivate valves !!!
*/
void OpenSprinkler::apply_all_station_bits()
{
#ifndef OSMICRO
#ifdef ESP8266
// Handle DC booster
if((hw_type==HW_TYPE_DC) && engage_booster)
{
// for DC controller: boost voltage
digitalWriteExt(PIN_BOOST_EN, LOW);// disable output path
digitalWriteExt(PIN_BOOST, HIGH);// enable boost converter
delay((int)options[OPTION_BOOST_TIME]<<2);// wait for booster to charge
digitalWriteExt(PIN_BOOST, LOW);// disable boost converter
digitalWriteExt(PIN_BOOST_EN, HIGH);// enable output path
engage_booster = 0;
}
// OS3.0 uses PCF8574 / PCF8575 IO expanders
// Due to reverse logic (active low), all bits must be flipped
// handle main controller
if(hw_type == HW_TYPE_AC)
pcf_write(ACDR_I2CADDR, ~station_bits[0]);
else if(hw_type == HW_TYPE_DC)
pcf_write(DCDR_I2CADDR, ~station_bits[0]);
// handle expander
// each board is assumed to be 8-station board
for(int i=0;i<MAX_EXT_BOARDS/2;i++)
{
uint16_t data = station_bits[i*2+2];
data = (data<<8) + station_bits[i*2+1];
pcf_write16(EXP_I2CADDR_BASE+i, ~data);
}
if((hw_type==HW_TYPE_DC) && engage_booster)
{
// for DC controller: enable output path
}
byte bid, s, sbits;
#else
digitalWrite(PIN_SR_LATCH, LOW);
byte bid, s, sbits;
// Shift out all station bit values
// from the highest bit to the lowest
for (bid = 0; bid <= MAX_EXT_BOARDS; bid++)
{
if (status.enabled)
sbits = station_bits[MAX_EXT_BOARDS - bid];
else
sbits = 0;
for (s = 0; s < 8; s++)
{
digitalWrite(PIN_SR_CLOCK, LOW);
#if defined(OSPI) // if OSPI, use dynamically assigned pin_sr_data
digitalWrite(pin_sr_data, (sbits & ((byte)1<<(7-s))) ? HIGH : LOW );
#else
digitalWrite(PIN_SR_DATA,
(sbits & ((byte) 1 << (7 - s))) ? HIGH : LOW);
#endif
digitalWrite(PIN_SR_CLOCK, HIGH);
}
}
#if defined(__AVR_ATmega1284P__) || defined(__AVR_ATmega1284__)
if((hw_type==HW_TYPE_DC) && engage_booster)
{
// for DC controller: boost voltage
digitalWrite(PIN_BOOST_EN, LOW);// disable output path
digitalWrite(PIN_BOOST, HIGH);// enable boost converter
delay((int)options[OPTION_BOOST_TIME]<<2);// wait for booster to charge
digitalWrite(PIN_BOOST, LOW);// disable boost converter
digitalWrite(PIN_BOOST_EN, HIGH);// enable output path
digitalWrite(PIN_SR_LATCH, HIGH);
engage_booster = 0;
}
else
{
digitalWrite(PIN_SR_LATCH, HIGH);
}
#else
digitalWrite(PIN_SR_LATCH, HIGH);
#endif
#endif
#else
byte stationPins[MAX_NUM_STATIONS] =
{
PIN_STATIONS_LIST
};
byte bid, s, sbits;
// Shift out all station bit values
// from the highest bit to the lowest
for (bid = 0; bid <= MAX_EXT_BOARDS; bid++)
{
if (status.enabled)
sbits = station_bits[MAX_EXT_BOARDS - bid];
else
sbits = 0;
for (s = 0; s < MAX_NUM_STATIONS; s++)
{
digitalWrite(stationPins[s],
(sbits & ((byte) 1 << (7 - s))) ? HIGH : LOW); // Stations are connected to digital pins as defined by PIN_STATIONS_LIST
}
#endif
if (options[OPTION_SPE_AUTO_REFRESH])
{
#ifndef OSMICRO
// handle refresh of RF and remote stations
// each time apply_all_station_bits is called
// we refresh the station whose index is the current time modulo MAX_NUM_STATIONS
static byte last_sid = 0;
byte sid = now() % MAX_NUM_STATIONS;
if (sid != last_sid)
{ // avoid refreshing the same station twice in a roll
last_sid = sid;
bid = sid >> 3;
s = sid & 0x07;
switch_special_station(sid, (station_bits[bid] >> s) & 0x01);
}
#endif
}
}
}
#ifndef OSMICRO
/** Read rain sensor status */
void OpenSprinkler::rainsensor_status()
{
// options[OPTION_RS_TYPE]: 0 if normally closed, 1 if normally open
if (options[OPTION_SENSOR_TYPE] != SENSOR_TYPE_RAIN)
return;
status.rain_sensed = (
digitalRead(PIN_RAINSENSOR) == options[OPTION_RAINSENSOR_TYPE] ?
0 : 1);