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Fixed a few typos in dev doc

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Nico CARTRON 2021-12-20 22:00:47 +01:00
parent 048b7227f1
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1 changed files with 22 additions and 14 deletions

36
docs/developer-documentation/index.md
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@ -7,10 +7,10 @@ relevant files for what you're working on.
### FreeRTOS
Infinitime is based on FreeRTOS, a real-time operating system. FreeRTOS provides
several quality of life abstractions (for example easy software timers) and most
importantly supports multiple tasks. If you want to read up on real-time
operating systems, you can look
Infinitime is based on [FreeRTOS]https://www.freertos.org), a real-time
operating system. FreeRTOS provides several quality of life abstractions (for
example easy software timers) and most importantly supports multiple tasks. If
you want to read up on real-time operating systems, you can look
[here](https://www.freertos.org/implementation/a00002.html) and
[here](https://www.freertos.org/features.html). The main "process" creates at
least one task and then starts the FreeRTOS task scheduler. This main "process"
@ -63,7 +63,8 @@ Some controllers can be passed by reference to apps that need access to the
resource (for example vibration motor).
They reside in [components/](/src/components/) inside their own subfolder.
For more detail see the [Apps page](./Apps.md)
For more detail, please see the [How to implement an
app](./index.html#how-to-implement-an-app) section below.
### Bluetooth
@ -196,6 +197,8 @@ when designing an app that you want to be included in InfiniTime.
## Generating the fonts and symbols
You can download fonts using the links below:
* [Jetbrains Mono](https://www.jetbrains.com/fr-fr/lp/mono/)
* [Awesome font from LVGL](https://lvgl.io/assets/others/FontAwesome5-Solid+Brands+Regular.woff)
* [Open Sans Light from Google](https://fonts.google.com/specimen/Open+Sans)
@ -229,23 +232,30 @@ static constexpr const char* newSymbol = "\xEF\x86\x85";
### Simple method to generate a font
If you want to generate a basic font containing only numbers and letters, you can use the above settings but instead of specifying a range, simply list the characters you need in the Symbols field and leave the range blank. This is the approach used for the PineTimeStyle watchface.
This works well for fonts which will only be used to display numbers, but will fail if you try to add a colon or other punctuation.
If you want to generate a basic font containing only numbers and letters, you
can use the above settings but instead of specifying a range, simply list the
characters you need in the Symbols field and leave the range blank. This is the
approach used for the PineTimeStyle watchface.
This works well for fonts which will only be used to display numbers, but will
fail if you try to add a colon or other punctuation.
* Open the [LVGL font converter](https://lvgl.io/tools/fontconverter)
* Name : open_sans_light
* Size : 150
* Bpp : 1 bit-per-pixel
* Do not enable font compression and horizontal subpixel hinting
* Load the file `open_sans_light.tff` (use the file in this repo to ensure the version matches) and specify the following symbols : `0123456789`
* Click on Convert, and download the file `open_sans_light.c` and copy it in `src/DisplayApp/Fonts`
* Add the font .c file path to src/CMakeLists.txt (search for jetbrains to find the appropriate location/format)
* Load the file `open_sans_light.tff` (use the file in this repo to ensure the
version matches) and specify the following symbols : `0123456789`
* Click on Convert, and download the file `open_sans_light.c` and copy it in
`src/DisplayApp/Fonts`
* Add the font .c file path to src/CMakeLists.txt (search for jetbrains to find
the appropriate location/format)
* Add an LV_FONT_DECLARE line in src/libs/lv_conf.h (as above)
#### Navigation font
To create the navigtion.ttf I use the web app [icomoon](https://icomoon.io/app)
this app can import the svg files from the folder
To create the navigtion.ttf I use the web app [icomoon](https://icomoon.io/app).
This app can import the svg files from the folder
*src/displayapp/icons/navigation/unique* and create a ttf file the
project for the site is *lv_font_navi_80.json* you can import it to add or
remove icons
@ -280,5 +290,3 @@ Pankaj Raghav describes in details how to create a stopwatch app in InfiniTime.
(add link to ![example layouts](./ui/example.png))
## BLE implementation and API