Elektronik_Header_3LŘftersteuerung mit ESP-01

 

Logbuch QlockWiFive

Alle Änderungen gegenüber Manuel Brachers QlockWiFive Firmware für Wort-Uhren:

/******************************************************************************
QLOCKWORK
An advanced firmware for a DIY "word-clock".

@mc      ESP8266
@created 01.02.2017

Changes from original firmware of bracci by deHarry:
- 19.01.2019
Added support for BH1750 LightSensor (as replacement for LDR)
  The brightness adaption is managed by an BH1750 ambient light sensor which is conected via I2C bus.
  To enable the BH1750 uncomment define USE_BH1750 in Configuration.h.
  To make the BH1750 working you have to include the new class "BH1750_LightSensor" (.cpp, .h files) into the project.
  Be sure to have PullUps at I2C signals SDA and SCL, respectively - the BH1750 has no PullUps on board.

- 02.12.2019 - FW 20191202
Added support for entering NTP timeserver via WEB interface
  I had sporadic problems with the default ntp server and wanted to change it to another address easily and without recompiling.

- 05.01.2020
Reworked the time code to make the clock able to run without _permanent_ network connection and _without RTC-Chip_.
Problem: Some users want to have a wordclock based on the code from bracci (QlockWiFive), with all its stunning features, but
  don't want to have their WLAN running all the time. With the original firmware, QlockWiFive, the clock reverts to 12 o'clock
  when there is no NTP server available (provided, that no RTC chip is implemented).
  Therefore I added a software clock which is set once in 24 hours from WLAN (if connected) and which is driven from the
  secondly heartbeat signal of the DS3231RTC. This allows an accurate clock without having to read the time every minute
  from the RTC (which demonstrably slows down the internal counter of the RTC, at least on my cheap RTC modules - have a look at
  http://www.harald-sattler.de/html/ds3231_-_ungenau-.htm, in german -> use "google translate" at the bottom of the page)
  and preventing the clock from reverting to 12 o'clock midnight on 01.01.1970 after not reaching a time server on the internet.
  The solution is somewhat weird, since the clock has to have a RTC, but the time information of the RTC is not used.
  Instead the SQW output of the RTC chip is utilized to clock a software clock.
  To switch on the SQW signal, which is defaulted to OFF, the RTC has to be connected via I2C.
  Enabling the define USE_RTC_SQW also enables RTC_BACKUP to make use of the existing routines for initialization and reading.
  Only the register accesses to the RTC have to be suppressed to prevent the slowing down of the clock.
  To enable this SQW feature uncomment define USE_RTC_SQW in Configuration.h.
  --> not finished yet! <--

- 12.01.2020 - FW 20200112
Changed support for outdoor weather information to OpenWeatherMap service (OWM) https://openweathermap.org/ (by copying/merging
  the implementation of Th0rsten from his QlockWork into Braccis QlockWiFi. Thank you Th0rsten!) - see #define APIKEY 
  The API for current weather is described at OWM https://openweathermap.org/current.
  You have to get your own API-Key from OWM (you have to register with a valid email address) to get it working.
Added WEB interface option to enter the OWM API-Key
  nota bene: You can enter the ZIP code and country as well (e.g. "76131, DE"), the resulting weather data and lon/lat values are
  identical. But they translate the ZIP code into false city names (at least for my home city). This can be seen in the OWM response (debug).

- 21.01.2020 - FW 20200121
Added visualization of weather icon from OWM in WEB interface

- 24.01.2020 - FW 20200124
Get rid of Fahrenheit and other notations when location is in Germany ("xxx, DE" or "xxx, de")
Description of weather conditions in german when location is in Germany (clear sky -> Klarer Himmel)
Added pressure reading to list of weather conditions in WEB interface

- 25.01.2020 - FW 20200125
Finished SQW workaround for running without WLAN.
  When WLAN connection is lost during operation the A in the center of the display is lit (for a short time on minute update. Seen
  best with transition "fade". To be honest, it can be seen _only_ with fade transition, all other transitions are too fast).
  To set the time, WLAN connection has to be established at least once (no manual setting implemented, yet)
  -> Have to check whether reading temperature from RTC also slows down the RTC internal clock... -> look for 2x "!defined(USE_RTC_SQW)"

- 26.01.2020 - FW 20200127
Get completely rid of RTC readings when using SQW (RTC time was slow by 3 minutes in 10 hours) -> no temperature readout in WEB interface.
  The deviations seem to result from a too slow RTC-Module clock.
Implemented time correction "countCorrSecs".
  Measurements revealed a loss of one second every 345 seconds when SoftClock is triggered by SQW :(
  (It's ~2.898 ms per second)
  So I add one second every 345 seconds to compensate for that. Runs smoothly with DS3231 and SQW controlling the clock.

- 29.01.2020 - FW 20200129
Rearranged the checks and conditions for NTP updates after missing WLAN. There where issues when WLAN was accessible but NTP server was not.
  Now the automatic restarting of Station Mode works under all conditions of missing ressources.

- 02.02.2020 - FW 20200202
Idea: Implement a means of catching the time deviation of the free running clock when there is no WLAN/no NTP server. A calibration value
  is derived from the measurement and can be entered in the GUI to adjust the clock speed.
  To calibrate the clock, call "xxx/calibrate" from your WEB browser where xxx is the IP address of the clock.
  In turn, the time is captured and the check run is started. The passed time since start of the calibration run is displayed like normal (in words).
  Seconds display is switched on for the last 10 seconds of every minute, so one can compare the passed time against a stop watch.
  At least three hours should be measured to get a decent result (see HOURS2CHECK).

- 06.02.2020 - FW 20200206
Show only the last octet of the IP address at power on. If this octet has 3 digits srcoll it, 2 digits are shown statically for one second.
Calibration code implemented. Search for define ENABLE_CALIBRATION.
  The calibration is issued automatically. After 3 hours (see HOURS2CHECK) the calibration run is stopped and the calibration value is
  derived from the deviation between ESP clock and NTP clock. No need to put the clock into normal mode manually. During the test run
  the clock shows the normal time (without deviation, derived from NTP server).
  The GUI shows whether a RTC is installed, whether a calibration is running, the current calibration value and the remaining time for the test.
  The calibration value is stored via settings to EEPROM automatically and is applied from then on with every start.
  The calibration is only issued if the NTP server is local (i.e. the own router. Explanation see text at bottom of this file).
Changed recognition of "internal" NTP server to only check the first two octets of the IP to be "192.168.".

- 07.02.2020 - FW 20200207
Added possibility to make a calibration run even if no RTC module is present.
Added time display to the GUI.
Added some info about calibration and RTC present/not present to the GUI.

- 08.02.2020 - FW20200208
Check for RTC module only once in setup()

- 14.02.2020 - FW20200214
Added layout for 144 LED/m strips with only every second LED in use (preparations for 190er WordClock with ESP-01)
Added GUI for viewing debug values (call "IP-address/getDebugVals" in browser). The presentation of values has to be hardcoded - see end of file.

- 17.02.2020 - FW20200217
ESP time is only set once every random minute (to relieve NTP server). When NTP server is local (e.g. the own Router),
  the time is set every minute (look for 2020-02-17)

- 23.02.2020 - FW20200223
New matrix for 144 LEDs/m implemented, runs with ESP-01 and BH1750

- 02.03.2020 - FW20200302
New matrices for 2 CJMCU LED modules implemented, runs with Wemos D1 mini, compiled as Generic ESP8266 Module

- 12.05.2020 - FW20200512
Update of DS3232RTC lib crashed firmware since I modified this lib -> Moved modification into code
Changed define HW_QLOCKWIFIVE_12 to HW_QLOCKWIFIVE_11 for 11x11 cm "Testboard" to better distiguish from "Holz-Wecker" (which is 12x12 cm)
Changed Button.cpp to not reference D0 as check for used button IO, replaced "D0" by literal "16" -> no need to define D0 for Wemos D1 mini/Pro

- 15.05.2020
Display last octet of IP address with "lettersBig" if it has only two digits

- 02.06.2020 - FW20200602
Added layout for "Mini-Wecker", runs with Wemos D1 mini or Wemos D1 mini Pro

- 09.06.2020 - FW20200609
If layout is changed via GUI restart ESP automatically

- 11.08.2020
Added a call to yield() in "pressed minus- and plus- button simultanously" since this resulted in a watchdog timeout with reboot

- 17.08.2020
Added an option to enter the time correction factor manually for cancelling time deviation when no NTP server is availabe

- 04.09.2020
If OWM API Key is not set or wrong, perform no call for weather info, the call will time out and stop the clock for this amount of time (no update of the display).
If so (no key), don't display weather info in the GUI (root screen).
Update APIKEYpresent after leaving settings page.

- 05.09.2020
Changed fetching OWM weather info to only occur in the main loop (removed in setup -> faster start).
Added check for location to decide, whether to fetch weather info or not.

- 18.11.2020 - FW20201118
Error: If WLAN is not connected, the ESP8266 internal clock is overridden by the SoftClock. The SoftClock, controlled by the SQW signal of the RTC module, seems to imply significant deviations as long as no RTC module is part of the WordClocks hardware (ok, I should have expected that, honestly :)
 Solution: Undefined USE_RTC_SQW but enabled ENABLE_CALIBRATION, fixed.

- FW20201118.2
Add correction second to ESP clock to correct deviation. (SoftClock doesn't run anymore)
Setting the internal ESP time via NTP server missed 1 hour in STD time (no DST, daylight saving time), fixed.

- 19.11.2020 - FW20201119
Changes to the correction factor via GUI are applied immediately, formerly applied only after a reset, fixed.
Disable RTC explicitly when not installed (I missed that fact).
Disable OWM during calibration run to prevent (false) time deviation from OWM timeout.

- FW20201119.2
If correction value is 0 (zero) prevent division /0 and don't add correction seconds at all.

- 02.12.2020 - FW20201202
Enable negative correction factors (manually in the GUI), leads to slower clock (recently the clocks are too fast!?)

- 04.12.2020 - FW20201204
Seconds correction is not issued when negative values are set. Fixed.

- 07.12.2020 - FW20201207
Remove all code for RTC_SQW (doesn't work as expected, no RTC modules in my watches) and clean up the rest.

- 10.12.2020 - FW20201210
Cleanup finished.
A missing WLAN after successful connection now doesn't disturb the clock. After finding the WLAN again, it connects and gets the time from NTP.

- 11.12.2020 - FW20201210.11
Cancelled setSyncProvider(), no setSyncInterval(). Initial time is set in setup() by explicit calling setTime(getNtpTime()).
No WiFi.reconnect() in loop.

-      FW20201210.12
WiFi.reconnect() in loop reactivated for test purposes. WiFi.reconnect() doesn't hurt, so leave it in.

-      FW20201211
Reestablished setSyncProvider() and setSyncInterval() in setup() for test purposes. Result: With setSyncProvider there are exceptions after exactly 1 hour -> So leave those two calls disabled.

- 04.01.2021 - FW20210104
Changed correction value from integer to long for very cool running clocks (low deviation leads to very seldom corrections)

- 08.01.2021 - FW20210108
Fixed some leftouts for clocks with RTC chip (thanks go to Tom ;)


 ******************************************************************************/


#define FIRMWARE_VERSION 20210108

 


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