firmware WIP
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349e9822d8
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1 changed files with 147 additions and 94 deletions
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@ -1,19 +1,6 @@
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/*
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* CanGrow - simply DIY automatic plant grow system (for cannabis).
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*
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* Pin assignment
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* ==============
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*
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* D0 - MOSFET Fan
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* D1, D2 - I2C
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* D3 - DHT11
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* D5 - MOSFET Pump
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* D6 - MOSFET Grow LED, PWM
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* D7 - waterlevel (set HIGH to read value)
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* D8 - analog soil moisture (set HIGH to read value)
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* A0 - analog input for soil moisture and waterlevel readings
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*
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* D4 and D7 cannot be HIGH at the same time!
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*/
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/*
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@ -39,11 +26,6 @@
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*
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*/
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// When D4 is LOW at start, WIPE is true and EEPROM get cleared
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// D4 hast to be shorted to GND withing the 2 sec delay in setup();
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// DO NOT PULL D4 DOWN AT START/POWER ON !!! BOOT WILL FAIL
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bool WIPE;
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// valSoilmoisture - contains the value of getSoilmoisture()
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byte valSoilmoisture;
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// valTemperature - contains the value of getTemperature()
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@ -63,8 +45,14 @@ float valHumidity;
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bool configured;
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char WIFIssid[32];
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char WIFIpassword[64];
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IPAddress WIFIip(192,168,4,20);
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IPAddress WIFInetmask(255,255,255,0);
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IPAddress WIFIgateway(192,168,4,254);
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// GrowName - contains the name of the grow/plant. Up to 32 byte
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char GrowName[32];
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// GrowStart - contains unix timestamp from date where grow starts (00:00)
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// unsigned long is 4 byte
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unsigned long GrowStart;
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// DayOfGrow contains on which day the grow is
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byte DayOfGrow;
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@ -76,8 +64,7 @@ byte DaysBloom;
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byte LighthoursVeg;
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// LighthoursBloom - contains how many hours the Growlight is on in Bloom
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byte LighthoursBloom;
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// GrowName - contains the name of the grow/plant. Up to 32 byte
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char GrowName[32];
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// Sunrise - contains to which hour of day the growlight turns on
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byte Sunrise;
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// PINled_PWM - contains the PWM value for dimming the grow light
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@ -89,7 +76,7 @@ byte MoistureSensor_Type;
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// UsePump - is the pump used? bool
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bool UsePump;
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// UseFan - is the fan used? bool
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bool UseFan
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bool UseFan;
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// SoilmoistureLow - contains the value , when soil moisture is assumed to be low,
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byte SoilmoistureLow;
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@ -107,11 +94,6 @@ byte SoilmoistureLow;
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const char *APssid = "CanGrow-unconfigured";
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const char *APpass = "CanGrow";
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IPAddress WIFIip(192,168,4,20);
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IPAddress WIFInetmask(255,255,255,0);
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IPAddress WIFIgateway(192,168,4,254);
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/*
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*
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@ -137,8 +119,20 @@ const char HTMLfooter[] PROGMEM = R"EOF(
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)EOF";
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/*
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*
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* Pin assignments
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*
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* D0 - MOSFET Fan
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* D1, D2 - I2C
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* D3 - DHT11
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* D4 - PIN_WIPE
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* D5 - MOSFET Pump
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* D6 - MOSFET Grow LED, PWM
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* D7 - waterlevel (set HIGH to read value)
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* D8 - analog soil moisture (set HIGH to read value)
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* A0 - analog input for soil moisture and waterlevel readings
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*
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* D4 and D7 cannot be HIGH at the same time!
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*/
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// D0 is HIGH at boot, no PWM
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@ -146,7 +140,8 @@ const uint8_t PINfan = D0;
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// If D3 is pulled to LOW, boot fails
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const uint8_t PINdht = D3;
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// D4 is HIGH at boot, boot fail if pulled to LOW
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// PIN_WIPE set to HIGH at start erases the EEPROM saved data
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// During Start Screen you can pull D4 to LOW to wipe saved data in EEPROM
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// DO NOT PULL D4 DOWN AT WHEN POWERING ON !!! BOOT WILL FAIL
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const uint8_t PIN_WIPE = D4;
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const uint8_t PINpump = D5;
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const uint8_t PINled = D6; //
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@ -332,12 +327,12 @@ float getHumidity() {
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return humidity;
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}
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int getSoilmoisture(bool moistureSensor) {
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int getSoilmoisture(byte moistureSensor) {
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/*
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* moistureSensor
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* ==============
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* 0/false : analog capacitive moisture sensor
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* 1/true : chirp I2C moisture sensor
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* 0 : analog capacitive moisture sensor
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* 1 : chirp I2C moisture sensor
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*/
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// value to return
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@ -347,7 +342,7 @@ int getSoilmoisture(bool moistureSensor) {
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// value for dry
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int dry;
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if(moistureSensor == false ) {
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if(moistureSensor == 0 ) {
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// read analog value from analog moisture sensor
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wet = 180;
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dry= 590;
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@ -380,6 +375,19 @@ int getLightchirp() {
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void wipeEEPROM() {
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// i is helper variable. We reuse it later here again.
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byte i = 0;
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while(digitalRead(PIN_WIPE) == LOW ) {
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// only show the Serial message once
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if(i == 0) {
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Serial.println("Please release PIN_WIPE to erase all data saved in EEPROM");
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Serial.println("LAST CHANCE TO KEEP THE DATA WHEN RESETTING NOW!!");
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}
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// increase i to show the serial message only once
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i = 1;
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}
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// write a 0 to all 512 bytes of the EEPROM
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Serial.print("wiping EEPROM... ");
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for (int i = 0; i < 512; i++) { EEPROM.write(i, 0); }
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@ -395,7 +403,7 @@ void wipeEEPROM() {
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Serial.println("!! Device will restart in 5 seconds !!");
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byte i = 0;
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i = 0;
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while( i <= 10 ) {
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if( i % 2 ) {
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digitalWrite(PIN_WIPE, LOW);
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@ -411,29 +419,6 @@ void wipeEEPROM() {
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bool loadEEPROM() {
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/*
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* WIFI data
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*/
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// read var WIFIssid from address 0, 32 byte long
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EEPROM.get(0, WIFIssid);
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// read var WIFIpassword from address 32, 64 byte long
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EEPROM.get(32, WIFIpassword);
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// read var WIFIip from address 96, 16 byte long
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EEPROM.get(96, WIFIip);
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// read var WIFInetmask from address 112, 16 byte long
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EEPROM.get(112, WIFInetmask);
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// read var WIFIgateway from address 128, 16 byte long
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EEPROM.get(128, WIFIgateway);
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/*
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* Grow data
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*/
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//TBD
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/*
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* configured
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*
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@ -443,18 +428,46 @@ bool loadEEPROM() {
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*/
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EEPROM.get(511, configured);
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// print values to Serial output
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Serial.println(":: EEPROM loaded ::");
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Serial.print("WIFIssid: ");
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Serial.println(WIFIssid);
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Serial.print("WIFIpassword: ");
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Serial.println(WIFIpassword);
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// when configured is > 1 (it should == 1) then read EEPROM furher data
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if(configured > 0) {
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/*
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* WIFI data
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*/
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// read var WIFIssid from address 0, 32 byte long
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EEPROM.get(0, WIFIssid);
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// read var WIFIpassword from address 32, 64 byte long
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EEPROM.get(32, WIFIpassword);
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// read var WIFIip from address 96, 16 byte long
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EEPROM.get(96, WIFIip);
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// read var WIFInetmask from address 112, 16 byte long
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EEPROM.get(112, WIFInetmask);
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// read var WIFIgateway from address 128, 16 byte long
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EEPROM.get(128, WIFIgateway);
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/*
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* Grow data
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*/
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//TBD
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// print values to Serial output
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Serial.println(":: EEPROM loaded ::");
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Serial.print("WIFIssid: ");
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Serial.println(WIFIssid);
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Serial.print("WIFIpassword: ");
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Serial.println(WIFIpassword);
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}
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Serial.print("configured: ");
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Serial.println(configured);
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return(configured);
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}
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@ -512,59 +525,85 @@ void setup() {
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// initialise DHT11
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dht.begin(); //TODO: Do only, when configured
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WiFi.softAPConfig(WIFIip, WIFIgateway, WIFInetmask);
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WiFi.softAP(APssid);
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Serial.print("AP IP address: ");
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Serial.println(WiFi.softAPIP());
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Serial.println("To wipe the EEPROM saved data, set D4 (PIN_WIPE) to LOW - NOW! (2 seconds left)");
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// wait a few seconds to let the user pull D4 down to wipe EEPROM
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// and we can enjoy the boot screen meanwhile :p
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delay(2000);
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// read status from PIN_WIPE to WIPE
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WIPE = digitalRead(PIN_WIPE);
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// when PIN_WIPE is set to LOW, wipe EEPROM
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if( WIPE == 0 ) {
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if(digitalRead(PIN_WIPE) == LOW) {
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Serial.print("PIN_WIPE (D4) is set to LOW, wiping EEPROM now..");
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// wipe EEPROM
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wipeEEPROM();
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} else {
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// load stored values from EEPROM
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loadEEPROM();
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}
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/*
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* load EEPROM and Setup WiFi
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*
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* call loadEEPROM() which returns a bool
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* When true, CanGrow is already configured and EEPROM values are applied
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* When false, CanGrow is unconfigured and we need to run the setup assistant
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*/
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// load stored values from EEPROM
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if(loadEEPROM()) {
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Serial.print("Configuration found in EEPROM, connect to Wifi ");
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Serial.println(WIFIssid);
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// Start WiFi connection
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WiFi.begin(WIFIssid, WIFIpassword);
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// wait until WiFi connection is established
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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}
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Serial.println(" CONNECTED!");
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Serial.print("IP: ");
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Serial.println(WiFi.localIP());
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// use webhandlers for configured state
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WebHandler_configured();
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// no data found in EEPROM, setup Access Point
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} else {
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Serial.println("Creating Accesspoint");
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Serial.print("SSID: ");
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Serial.println(APssid);
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Serial.print("Password: ");
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Serial.println(APpass);
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// configure WiFi Access Point
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WiFi.softAPConfig(WIFIip, WIFIgateway, WIFInetmask);
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// start Access Point
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WiFi.softAP(APssid, APpass);
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Serial.print("CanGrow IP address: ");
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Serial.println(WiFi.softAPIP());
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// use webhandlers for unconfigured state
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WebHandler_unconfigured();
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}
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/*
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* Webserver handlers
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* Webserver handlers
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* here are the generic webserver handlers like 404 not found
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* wificonfig save, ...
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*
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* if you are looking for the single webpages handler, have a look to
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*
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* WebHandler_unconfigured() and WebHandler_configured()
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*/
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// when not configured, webroot is WEBrootAP
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// nothing else configured
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if(configured == 0) {
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webserver.on("/", HTTP_GET, WEBrootAP);
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} else {
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webserver.on("/", HTTP_GET, WEBroot);
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}
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// generic handler
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webserver.on("/wifiConfig/save", HTTP_POST, POSTwifiConfig);
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// 404 handling
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//webserver.onNotFound(handleNotFound);
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webserver.onNotFound(WEB404);
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/*
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webserver.on("/", HTTP_GET, WEBroot);
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webserver.on("/control", HTTP_GET, handleControl);
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*/
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// start webserver
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webserver.begin();
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}
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@ -581,6 +620,14 @@ void loop() {
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//Serial.println("yolo");
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webserver.handleClient();
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}
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void WebHandler_unconfigured() {
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webserver.on("/", HTTP_GET, WEBrootAP);
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}
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void WebHandler_configured() {
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webserver.on("/", HTTP_GET, WEBroot);
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}
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/*
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*
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@ -615,6 +662,12 @@ void WEBrootAP() {
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webserver.send(200, "text/html", body);
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}
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void WEB404() {
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String body = FPSTR(HTMLheader);
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body += "404 - not found";
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body += FPSTR(HTMLfooter);
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}
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/*
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*
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