Create clean UI flow enticing the user to plug in the power supply before proceeding.#19

Merged

aentinger merged 17 commits intomasterfrom

fix-stabilise-power-before-menu

Jan 13, 2022

Commits on Jan 12, 2022

Set-up power before running either custom or default menu.
aentinger
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Enable larger font with size 32px.
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Use LVGL instead of direct GFX calls for writing power message to TFT display.
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Delete out-dated/out-commented code.
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Start display thread earlier. This allows to skip calling the display task handler manually within 'splashScren'.
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mbed is the only platform we run this library on, hence we can drop the include guards.
aentinger
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Since the Arduino GIF is white, we may just as well configure for white background from the start.
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Prolonge showing of Arduino GIF.
aentinger
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Replace 'while(1)' with 'for(;;)' which more expressively says 'infinite loop here'.
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Show empty battery symbol in order to entice user to connect power.
aentinger
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