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Inverted position shifting idle logo (#1484)

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* Inverted idle logo

Back on white background start-up logo.
Inverted idle logo with random positioning.

* Idle Logo display default true

DISPLAY_IDLE_LOGO true as burn-in screens saver, especially fo the constant heading and line

* Display Brightness added

* SSD1306toMQTT / MQTTtoSSD1306

Additional "onstate" and "brightness" setting and regular display state reporting

Docs - separate Displays section
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DigiH authored and GitHub committed 2023-03-01 14:36:05 -06:00
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docs/use/boards.md
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@@ -84,65 +84,3 @@ OpenMQTTGateway support a low power mode for ESP32, this mode can be set by MQTT
The low power mode can be changed also with a push to button B when the board is processing (top button on M5stickC, M5stickC Plus and middle button of M5stack).
If you are already in low power mode 1 or 2 with M5Stack you can wake up the board by pressing the red button.
## SSD1306 Display boards ( Heltec SX127X 433Mhz boards and LILYGO® LoRa32 V2.1_1.6.1 433 Mhz )
Several options are available for the display of information on the SSD1306 Display. These options include display of the OMG logo and setup messages, redirecting of the log output to the display, and display of various module messages on the display. These options are exclusive to each other, and when a different option is enabled, the current option is disabled.
### Setting the log output
The display of serial log messages to the display can be enabled via compiler directive `-DLOG_TO_LCD=true` or via MQTT commands.
For example if you want to set the serial log to LCD
`mosquitto_pub -t home/OpenMQTTGateway/commands/MQTTtoSSD1306 -m '{"log-lcd":true}'`
you can also revert it back to the serial monitor:
`mosquitto_pub -t home/OpenMQTTGateway/commands/MQTTtoSSD1306 -m '{"log-lcd":false}'`
The log level of the messages displayed is Errors and Warnings, and this can only be changed via the compiler directive `-DLOG_LEVEL_LCD=LOG_LEVEL_NOTICE`.
### Displaying Module json messages ( default )
The display of messages from various modules is also supported. Currently supported modules include `ZgatewayRTL_433` and `ZsensorBME280`.
This can be enabled with the compiler directive `-DJSON_TO_LCD=true`.
You can also change it by MQTT. For example if you want to display module json messages:
`mosquitto_pub -t home/OpenMQTTGateway/commands/MQTTtoSSD1306 -m '{"json-lcd":true}'`
And to disable the display of module json messages:
`mosquitto_pub -t home/OpenMQTTGateway/commands/MQTTtoSSD1306 -m '{"display-json":false}'`
### Units for display, Metric or Imperial
By default the display uses metric units, and this can be changed either by compiler directive or mqtt command.
The compiler directive is `-DDISPLAY_METRIC=true`
The mqtt command to change the units is:
`mosquitto_pub -t home/OpenMQTTGateway/commands/MQTTtoSSD1306 -m '{"display-metric":false}'`
Please note that it may take several seconds/display updates for the units to change. This is due to the queueing of messages for display.
### Flip Display 180 degrees
This allows you to rotate the display 180 degrees. Can be set at compile time or during use, defaults to true.
The compiler directive is `-DDISPLAY_FLIP=false`
The mqtt command to change display orientation is:
`mosquitto_pub -t home/OpenMQTTGateway/commands/MQTTtoSSD1306 -m '{"display-flip":false}'`
Please note that it may take several seconds/display updates for the display to change. This is due to the queueing of messages for display.
### Display OpenMQTTGateway Logo when Idle
When this option is enabled the OLED display will show the OpenMQTTGateway Logo when it is idle. Defaults to false
The compiler directive is `-DDISPLAY_IDLE_LOGO=true`