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Open-source ESP32-based thermostat that has some useful intelligence

License: GNU General Public License v3.0

Handlebars 0.02% C 53.85% C++ 45.74% CMake 0.14% Python 0.24%

esp32 matter mqtt thermostat

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dzungpv y9rabbito albumarian1986

smart-thermostat's Issues

After motion wakes display, auto adjust backlight

Once motion is detected and the backlight is turned on, the backlight level should keep adjusting to match ambient light in case the user turns on the room light.

Zigbee

Once the onboard MCU is switched to the ESP32-C6 (which has Zigbee support), research must be done to figure out how to enable Zigbee on it. This will allow comms with home automation systems.

Must be able to be enabled/disabled via user config on touchscreen.

Turn on fan pin with heat or cool

(G) Fan must be energized whenever (W) HEAT or (Y) COOL is asserted.

Save config settings to NVS

Whenever settings change, save them to the NV storage area. This can include:

All fields of OperatingParameters struct
Wifi creds
Calibration data for touch screen (also need to restore this on startup)
Historical data (such as reboot count)

Logging support

Add a facility to log events and provide a recall buffer for review

Cannot get web server running as a RTOS task

When a task is created to run the web server, the MCU crashes. Haven't investigated it too much yet, but it's easy to repro.

Telnet support

Add simple telnet based CLI to set parameters, review logs and restart thermostat

To get rid of Arduino dependencies, we need to switch to the ESP-IDF framework. Most libraries are already ESP-IDF compliant. The problem (I believe) is with the DFRobot AHT20 library. It relies on the Arduino framework, specifically the I2C library.

Write system log & traces to Partition 4, SPIFFS area

Looking at the ESP32 partition, there is a partition that can be used for logging;

 ## Label            Usage          Type ST Offset     Length
  4 spiffs           Unknown data     01 82 0x00c90000 0x00360000

Use this area to record ESP32 logging, including panic data.

Temperature via matter

Hello there, I was looking at your code and was wondering if you managed to set the temperature into the matter protocol, I just noticed this part local_temperature, or do you have any clue on how to send the temperature via matter?

Autoupdating from Github

Enable automatically updating the firmware if a new version is located on Github. The code to apply a new firmware image is included in the web.cpp file.

Auto updating must be able to be enabled/disabled via user config on touchscreen.

BLE support

If the thermostat NVRAM is found to be uninitialized (no wifi credentials), enable BLE to allow config via a smartphone.

Motion & light level sensor data via MQTT

Report motion and light level back via MQTT. This will allow home automation systems to take action based on sensor data.

Motion sensor too sensitive

With the RCWL-0516 mounted upside down (looking at rear of board), it is constantly triggering for motion. This makes the sensor virtually useless.

MQTT

Add support for MQTT to push events to home automation systems. Maybe also use MQTT to subscribe to events to allow HA to control the thermostat.

This feature would need to enabled/disabled via the user config.

Full code review/cleanup of mqtt module

The MQTT source code was developed (and it is working) without concern for code documentation or cleaning up old code. A full review of th emodul eis required to document (comments) and cleanup the code, including structure.

NTP support

Add support for an NTP client. This will provide local time of day, but will not work if network connection is down or not allowed.

Support Daylight Savings time change

There is no way to have the thermostat automatically adjust the time for areas that support daylight savings time.

Touchscreen UI

A nice looking user interface must be designed and implemented to support the touchscreen and provide local weather backgrounds.

Crash during wifi reconnect

Crashed while wifi was dropping and connection reestablished:

[19761.20h.02m.32s.829] I (196938675) SENSORS: Temp: 75.1 (raw: 80.60 F)  Humidity: 34.0 (raw: 21.71)
[19761.20h.02m.32s.836] I (196938675) MQTT: {"Temperature":"75.06","Humidity":"34.02","Setpoint":74,"Mode":"heat","CurrMode":"idle"}
[19761.20h.02m.42s.918] I (196948765) SENSORS: Temp: 75.0 (raw: 80.57 F)  Humidity: 33.7 (raw: 20.84)
[19761.20h.02m.42s.926] I (196948765) MQTT: {"Temperature":"75.01","Humidity":"33.70","Setpoint":74,"Mode":"heat","CurrMode":"idle"}
[19761.20h.02m.53s.008] I (196958855) SENSORS: Temp: 75.0 (raw: 80.54 F)  Humidity: 33.4 (raw: 20.24)
[19761.20h.02m.53s.015] I (196958855) MQTT: {"Temperature":"74.96","Humidity":"33.36","Setpoint":74,"Mode":"heat","CurrMode":"idle"}
[19761.20h.03m.03s.099] I (196968945) SENSORS: Temp: 74.9 (raw: 80.47 F)  Humidity: 33.0 (raw: 19.91)
[19761.20h.03m.03s.106] I (196968945) MQTT: {"Temperature":"74.91","Humidity":"33.01","Setpoint":74,"Mode":"heat","CurrMode":"idle"}
[19761.20h.03m.13s.188] I (196979035) SENSORS: Temp: 74.9 (raw: 80.43 F)  Humidity: 32.7 (raw: 19.79)
[19761.20h.03m.13s.195] I (196979035) MQTT: {"Temperature":"74.87","Humidity":"32.69","Setpoint":74,"Mode":"heat","CurrMode":"idle"}
[19761.20h.03m.23s.278] I (196989125) SENSORS: Temp: 74.8 (raw: 80.39 F)  Humidity: 32.4 (raw: 19.33)
[19761.20h.03m.23s.285] I (196989125) MQTT: {"Temperature":"74.82","Humidity":"32.35","Setpoint":74,"Mode":"heat","CurrMode":"idle"}
[19761.20h.03m.24s.853] I (196990705) SENSORS: Current time: 15:03:24
[19761.20h.03m.33s.369] I (196999215) SENSORS: Temp: 74.8 (raw: 80.33 F)  Humidity: 32.0 (raw: 19.06)
[19761.20h.03m.33s.376] I (196999215) MQTT: {"Temperature":"74.77","Humidity":"32.02","Setpoint":74,"Mode":"heat","CurrMode":"idle"}
[19761.20h.03m.39s.383] I (197005235) wifi:bcn_timeout,ap_probe_send_start
[19761.20h.03m.41s.885] I (197007735) wifi:ap_probe_send over, resett wifi status to disassoc
[19761.20h.03m.41s.885] I (197007735) wifi:state: run -> init (c800)
[19761.20h.03m.41s.890] I (197007735) wifi:pm stop, total sleep time: 92468438 us / 130538481 us
[19761.20h.03m.41s.890] 
[19761.20h.03m.41s.894] I (197007735) wifi:<ba-del>idx:0, tid:0
[19761.20h.03m.41s.901] I (197007745) wifi:new:<1,0>, old:<1,0>, ap:<255,255>, sta:<1,0>, prof:1
[19761.20h.03m.41s.907] I (197007755) telnet: Telnet session termination requested
[19761.20h.03m.41s.913] I (197007755) telnet: Starting new telnet service instance
[19761.20h.03m.41s.923] E (197007765) transport_base: poll_read select error 113, errno = Software caused connection abort, fd = 62
[19761.20h.03m.41s.930] E (197007775) mqtt_client: Poll read error: 119, aborting connection
[19761.20h.03m.41s.935] I (197007775) MQTT: MQTT_EVENT_DISCONNECTED
[19761.20h.03m.41s.941] I (197007785) telnet: Telnet session termination requested
[19761.20h.03m.41s.950] W (197007785) telnet: No action taken - no telnet connection and telnet task not started
[19761.20h.03m.42s.033] I (197007885) WIFI:   event = STA_DISCONECTED - retry # 0 (MAX 5)
[19761.20h.03m.42s.034] W (197007885) WIFI:   connect to the AP failed - retrying
[19761.20h.03m.42s.039] I (197007885) telnet: Start telnetTask()
[19761.20h.03m.42s.053] W (197007905) WIFI: Starting network reconnect task
[19761.20h.03m.42s.053] I (197007905) WIFI: wifiReconnect()
[19761.20h.03m.42s.055] I (197007905) wifi:flush txq
[19761.20h.03m.42s.057] I (197007905) wifi:stop sw txq
[19761.20h.03m.42s.061] I (197007905) wifi:lmac stop hw txq
[19761.20h.03m.42s.064] W (197007905) WIFI: WifiDeinit()
[19761.20h.03m.42s.068] I (197007915) wifi:Deinit lldesc rx mblock:10
[19761.20h.03m.42s.078] I (197007925) WIFI: - Restarting wifi
[19761.20h.03m.42s.078] I (197007925) WIFI: wifiStart()
[19761.20h.03m.42s.084] W (197007925) WIFI:   Wifi driver not started; Calling init and create funcs
[19761.20h.03m.42s.088] I (197007935) WIFI:   Initializing wifi
[19761.20h.03m.42s.093] I (197007935) WIFI:   Setting wifi hostname
[19761.20h.03m.42s.098] I (197007945) pp: pp rom version: e7ae62f
[19761.20h.03m.42s.104] I (197007945) net80211: net80211 rom version: e7ae62f
[19761.20h.03m.42s.112] I (197007965) wifi:wifi driver task: 3fcbab5c, prio:23, stack:6656, core=0
[19761.20h.03m.42s.122] I (197007975) wifi:wifi firmware version: ce9244d
[19761.20h.03m.42s.123] I (197007975) wifi:wifi certification version: v7.0
[19761.20h.03m.42s.124] I (197007975) wifi:config NVS flash: enabled
[19761.20h.03m.42s.129] I (197007975) wifi:config nano formating: disabled
[19761.20h.03m.42s.134] I (197007975) wifi:Init data frame dynamic rx buffer num: 32
[19761.20h.03m.42s.140] I (197007985) wifi:Init management frame dynamic rx buffer num: 32
[19761.20h.03m.42s.145] I (197007985) wifi:Init management short buffer num: 32
[19761.20h.03m.42s.150] I (197007995) wifi:Init dynamic tx buffer num: 32
[19761.20h.03m.42s.154] I (197007995) wifi:Init static tx FG buffer num: 2
[19761.20h.03m.42s.159] I (197008005) wifi:Init static rx buffer size: 1600
[19761.20h.03m.42s.163] I (197008005) wifi:Init static rx buffer num: 10
[19761.20h.03m.42s.167] I (197008015) wifi:Init dynamic rx buffer num: 32
[19761.20h.03m.42s.172] I (197008015) wifi_init: rx ba win: 6
[19761.20h.03m.42s.176] I (197008025) wifi_init: tcpip mbox: 32
[19761.20h.03m.42s.181] I (197008025) wifi_init: udp mbox: 6
[19761.20h.03m.42s.185] I (197008025) wifi_init: tcp mbox: 6
[19761.20h.03m.42s.189] I (197008035) wifi_init: tcp tx win: 5744
[19761.20h.03m.42s.194] I (197008035) wifi_init: tcp rx win: 5744
[19761.20h.03m.42s.199] I (197008045) wifi_init: tcp mss: 1440
[19761.20h.03m.42s.204] I (197008045) wifi_init: WiFi IRAM OP enabled
[19761.20h.03m.42s.209] I (197008055) wifi_init: WiFi RX IRAM OP enabled
[19761.20h.03m.42s.214] I (197008055) WIFI: MAC Address: 34:85:18:50:7b:88
[19761.20h.03m.42s.220] I (197008065) WIFI:   Calling esp_wifi_start()
[19761.20h.03m.42s.225] I (197008065) wifi:mode : sta (34:85:18:50:7b:88)
[19761.20h.03m.42s.231] I (197008075) wifi:enable tsf
[19761.20h.03m.42s.882] I (197008075) WIFI:   Waiting for event callback...
[19761.20h.03m.42s.882] I (197008725) wifi:new:<6,0>, old:<1,0>, ap:<255,255>, sta:<6,0>, prof:1
[19761.20h.03m.42s.883] I (197008735) wifi:state: init -> auth (b0)
[19761.20h.03m.42s.891] I (197008735) wifi:state: auth -> assoc (0)
[19761.20h.03m.43s.459] I (197009305) SENSORS: Temp: 74.7 (raw: 80.28 F)  Humidity: 31.7 (raw: 19.20)
[19761.20h.03m.43s.892] I (197009735) wifi:state: assoc -> init (2700)
[19761.20h.03m.43s.893] I (197009745) wifi:new:<6,0>, old:<6,0>, ap:<255,255>, sta:<6,0>, prof:1
[19761.20h.03m.43s.897] I (197009745) telnet: Telnet session termination requested
[19761.20h.03m.43s.904] I (197009745) telnet: Starting new telnet service instance
[19761.20h.03m.44s.022] I (197009875) WIFI:   event = STA_DISCONECTED - retry # 0 (MAX 5)
[19761.20h.03m.44s.024] W (197009875) WIFI:   connect to the AP failed - retrying
[19761.20h.03m.44s.029] I (197009875) telnet: Start telnetTask()
[19761.20h.03m.45s.237] I (197011085) wifi:new:<11,0>, old:<6,0>, ap:<255,255>, sta:<11,0>, prof:1
[19761.20h.03m.45s.239] I (197011085) wifi:state: init -> auth (b0)
[19761.20h.03m.45s.243] I (197011095) wifi:state: auth -> assoc (0)
[19761.20h.03m.45s.249] I (197011095) wifi:state: assoc -> run (10)
[19761.20h.03m.45s.286] I (197011135) wifi:connected with <ssid>, aid = 2, channel 11, BW20, bssid = f0:9f:c2:a7:10:90
[19761.20h.03m.45s.288] I (197011135) wifi:security: WPA2-PSK, phy: bgn, rssi: -64
[19761.20h.03m.45s.297] I (197011145) wifi:pm start, type: 1
[19761.20h.03m.45s.297] 
[19761.20h.03m.45s.300] I (197011145) wifi:set rx beacon pti, rx_bcn_pti: 0, bcn_timeout: 25000, mt_pti: 0, mt_time: 10000
[19761.20h.03m.45s.308] I (197011155) wifi:<ba-add>idx:0 (ifx:0, f0:9f:c2:a7:10:90), tid:0, ssn:0, winSize:64
[19761.20h.03m.45s.352] I (197011195) wifi:AP's beacon interval = 102400 us, DTIM period = 3
[19761.20h.03m.46s.304] I (197012155) esp_netif_handlers: sta ip: 192.168.0.71, mask: 255.255.255.0, gw: 192.168.0.254
[19761.20h.03m.46s.309] I (197012155) WIFI:   event = IP_EVENT_STA_GOT_IP - ip: 192.168.0.71
[19761.20h.03m.46s.315] I (197012155) WIFI: connected to ap SSID:<ssid> password:****
[19761.20h.03m.51s.943] E (197017795) esp-tls: Failed to create socket (family 2 socktype 1 protocol 0)
[19761.20h.03m.51s.947] E (197017795) transport_base: Failed to open a new connection: 32770
[19761.20h.03m.51s.953] E (197017795) mqtt_client: Error transport connect
[19761.20h.03m.51s.957] I (197017805) MQTT: MQTT_EVENT_ERROR
[19761.20h.03m.51s.962] I (197017805) MQTT: MQTT_EVENT_DISCONNECTED
[19761.20h.03m.51s.968] I (197017805) telnet: Telnet session termination requested
[19761.20h.03m.51s.974] I (197017815) telnet: Starting new telnet service instance
[19761.20h.03m.52s.098] I (197017945) telnet: Start telnetTask()
[19761.20h.03m.52s.118] E (197017965) telnet: bind: 9 (Bad file number)
[19761.20h.03m.52s.118] I (197017965) telnet: Completing telnetTask()
[19761.20h.03m.53s.538] I (197019385) SENSORS: Temp: 74.7 (raw: 80.24 F)  Humidity: 31.5 (raw: 18.91)
[19761.20h.04m.02s.094] E (197027945) esp-tls: Failed to create socket (family 2 socktype 1 protocol 0)
[19761.20h.04m.02s.097] E (197027945) transport_base: Failed to open a new connection: 32770
[19761.20h.04m.02s.103] E (197027945) mqtt_client: Error transport connect
[19761.20h.04m.02s.127] I (197027955) MQTT: MQTT_EVENT_ERROR
[19761.20h.04m.02s.127] I (197027955) MQTT: MQTT_EVENT_DISCONNECTED
[19761.20h.04m.02s.127] I (197027965) telnet: Telnet session termination requested
[19761.20h.04m.02s.127] E (197027965) telnet: closesocket: 9 (Bad file number)
[19761.20h.04m.02s.135] Guru Meditation Error: Core  0 panic'ed (StoreProhibited). Exception was unhandled.
[19761.20h.04m.02s.135] 
[19761.20h.04m.02s.135] Core  0 register dump:
[19761.20h.04m.02s.135] PC      : 0x403820d5  PS      : 0x00060d33  A0      : 0x80380397  A1      : 0x3fccb060  
[19761.20h.04m.02s.146] A2      : 0x3fcc6744  A3      : 0x00060d20  A4      : 0x00000000  A5      : 0x00060d23  
[19761.20h.04m.02s.157] A6      : 0xb33fffff  A7      : 0xb33fffff  A8      : 0x967c967c  A9      : 0x967c967c  
[19761.20h.04m.02s.157] A10     : 0x967c967c  A11     : 0x00000000  A12     : 0x00000000  A13     : 0x3fccb050  
[19761.20h.04m.02s.168] A14     : 0x3fccb030  A15     : 0x0000000c  SAR     : 0x00000004  EXCCAUSE: 0x0000001d  
[19761.20h.04m.02s.179] EXCVADDR: 0x967c9684  LBEG    : 0x400556d5  LEND    : 0x400556e5  LCOUNT  : 0xfffffffc  
[19761.20h.04m.02s.190] 
[19761.20h.04m.02s.190] 
[19761.20h.04m.02s.190] Backtrace: 0x403820d2:0x3fccb060 0x40380394:0x3fccb080 0x4200a198:0x3fccb0a0 0x42004d54:0x3fccb0c0 0x420f0385:0x3fccb110 0x420efe0a:0x3fccb140 0x420435cd:0x3fccb180 0x42043817:0x3fccb1a0 0x420438de:0x3fccb1c0 0x42044519:0x3fccb1e0 0x40381589:0x3fccb210
[19761.20h.04m.02s.221]

Local Weather

Research usefulness and ability to fetch weather & temp for the local area (via something like wunderground.com). The local weather can then be used to set the background graphics on the touch screen.

Temporary Hold feature

An override to the current set temp. If the thermostat is set at 68F/20C and very cold weather is expected, you should be able to set the temp a little higher and hold until the user disables it.

Documentation

Provide tech docs on PCB / MCU (such as use of IO pins) and software.

One-shot operation

It has been requested to have a feature on the thermostat that allows for a "one shot" activation of the HVAC system. Not based on temperature, but more based on having a quick excessive heat/cool to increase comfort.

For example, it's a very hot day and you come in from doing yard work. You want the air conditioning to come on, but you don't want the temperature set to 50F/10C indefinitely.

therefore, having a feature to run the heat or cool for a set time (maybe 15 minutes) and then resume normal operation would be useful.

Program the LD2410 on startup

Via the TX1 & RX1 pins, program the LD2410 to tune the distance and sensitivity of the presence sensor.

Add support for Matter over wifi

After the ESP32-C6 MCU is incorporated, research how to enable Thread protocol to support Matter. This allows for integration into home automation systems.

Must be able to be enabled/disabled via user config on touchscreen.

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