Added a small guide to be able to install the tools needed for the lvgl builtin font regeneration script
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README.md
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README.md
@ -6,6 +6,8 @@ I am also quite unhappy with the smartwatches that are on the market (expensive,
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I also wanted to test this W800 SOC more deeply and see what it could do and I think it is a perfect fit for the project.
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So let's go !
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# Update : the release firmware is stable and usable for everyday use.
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## A Smart Watch project using the Chinese W800 SOC.
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The W800 is a pretty interesting chip with impressive characteristics for its price (around 1$) :
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### Core :
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@ -62,7 +64,7 @@ The W800 is a pretty interesting chip with impressive characteristics for its pr
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## Getting started :
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### So, you'd like to try this project yourself ?
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### Here are the steps to follow, in order to build the firmware and flash the board :
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#### On Windows :
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#### **On Windows :**
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1) Start by cloning this repository.
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**Put it in a path that doesn't contain any spaces** ie : "C:\Users\Bob\Desktop\projects" for example.
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2) Once cloning is done, you will need to install the [MSYS2](https://www.msys2.org/) tool/environment. This tool is needed to compile the project using **Make**.
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@ -121,6 +123,56 @@ make down
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#This will do both previous commands in one (build and flash)
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make flash
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```
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## Regenerating LVGL builtin fonts (to add special characters for example) :
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### If you need to modify the font by changing the default one or need to add missing characters or symbols, you w'll have to install a few tools :
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#### **On Windows** (every thing is done in Windows 10's Linux console) :
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1) Check that python3 is installed and available :
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```bash
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python3 -V
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#If python3 is not installed, do it with :
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sudo apt install python3
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```
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2) You will need to install or update nodejs (version v14+ required) as it is used to generate the fonts :
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```bash
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node -v
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#If nodejs is not installed, do it with using the Node Version Manager :
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curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.3/install.sh | bash
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```
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3) Update your .bashrc by adding these lines at the end of it :
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```bash
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export NVM_DIR="$HOME/.nvm"
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[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" # This loads nvm
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[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion" # This loads nvm bash_completion
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```
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4) Don't forget to reload you .bashrc file using :
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```bash
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source ~/.bashrc
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```
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5) Then having node installed, install the **[lv_font_conv](https://github.com/lvgl/lv_font_conv)** utility :
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```bash
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sudo npm install lv_font_conv -g
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#If the lv_font_conv module is successfully installed, you should be able to check its verrsion :
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lv_font_conv -v
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#My output is : 1.5.2
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```
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6) Finally, using the command line terminal, you need to move to the ***src/W800_SDK_v1.00.10/lvlg/lvgl_v8.3/scripts/built_in_font*** folder and execute using
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python3 the **built_in_font_gen.py** script :
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```bash
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#Here are some font regeneration examples using the tool :
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python3 built_in_font_gen.py -s 14 --bpp 4 --font Montserrat-Medium.ttf -r 0x20-0x7F,0xB0,0x2022,0xC0,0xC4,0xC7,0xC8,0xC9,0xCA,0xCB,0xCE,0xD4,0xD6,0xD9,0xDC,0xDF,0xE0,0xE2,0xE4,0xE7-0xEB,0xEE,0xEF,0xF6,0xFC,0x153 -o lv_font_montserrat_14.c
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python3 built_in_font_gen.py -s 16 --bpp 4 --font Montserrat-Medium.ttf -r 0x20-0x7F,0xB0,0x2022,0xC0,0xC4,0xC7,0xC8,0xC9,0xCA,0xCB,0xCE,0xD4,0xD6,0xD9,0xDC,0xDF,0xE0,0xE2,0xE4,0xE7-0xEB,0xEE,0xEF,0xF6,0xFC,0x153 -o lv_font_montserrat_16.c
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python3 built_in_font_gen.py -s 24 --bpp 4 --font Montserrat-Medium.ttf -r 0x20-0x7F,0xB0,0x2022,0xC0,0xC4,0xC7,0xC8,0xC9,0xCA,0xCB,0xCE,0xD4,0xD6,0xD9,0xDC,0xDF,0xE0,0xE2,0xE4,0xE7-0xEB,0xEE,0xEF,0xF6,0xFC,0x153 -o lv_font_montserrat_24.c
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python3 built_in_font_gen.py -s 28 --bpp 4 --font Montserrat-Medium.ttf -r 0x20-0x7F,0xB0,0x2022,0xC0,0xC4,0xC7,0xC8,0xC9,0xCA,0xCB,0xCE,0xD4,0xD6,0xD9,0xDC,0xDF,0xE0,0xE2,0xE4,0xE7-0xEB,0xEE,0xEF,0xF6,0xFC,0x153 -o lv_font_montserrat_28.c
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python3 built_in_font_gen.py -s 30 --bpp 4 --font Montserrat-Medium.ttf -r 0x20-0x7F,0xB0,0x2022,0xC0,0xC4,0xC7,0xC8,0xC9,0xCA,0xCB,0xCE,0xD4,0xD6,0xD9,0xDC,0xDF,0xE0,0xE2,0xE4,0xE7-0xEB,0xEE,0xEF,0xF6,0xFC,0x153 -o lv_font_montserrat_30.c
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```
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7) Once done, the new generated fonts file will be in the same folder (***src/W800_SDK_v1.00.10/lvlg/lvgl_v8.3/scripts/built_in_font***) named **lv_font_'font name'_'size'.c**
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like lv_font_monserrat_14.c, happy fonting !!!
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## Sensors and I2C addresses :
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* Accelerometer : **BMA456** I2C addr : 0x18 or 0x19 7 bit address.
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* Magnetometer : **QMC5883L** I2C addr : 0x0D 7 bit address.
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@ -201,9 +253,16 @@ using a magnetic 4 pin plug.
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* Supported LCD touch screen :
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* CST816D I2C capacitive touch ic.
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* Six screens designed and working with LVGL :
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* A watch face based on a casio watch.
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* An analog watch face based on a existing casio watch.
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* An analog watch face having a carbon fiber vibe.
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* A circular menu screen with icons.
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* A setting screen with basic settings (date and time + display brightness) (work in progress).
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* A setting screen allowing to tune the smart watch :
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* Time and date settings
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* Display settings
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* Notifications settings
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* Connectivity settings for BLE
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* Language settings (French, Germman and English available)
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* Systemm information page
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* A compass application using the QMC5883L.
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* An altimeter app.
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* A music player app (working with GadgetBridge).
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@ -235,15 +294,15 @@ sets a white background, be able to make it also flash with a red background.
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* Update the GadgetBridge parser to work with the latest version of GadgetBridge.
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* Write an algorithm to get the heart rate measurements and a way to make them periodically and displays it in a dedicated app and on the watch face.
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* Display the weather forecast on the watch face using icons (Data coming from GadgetBridge).
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* Finish to translate all texts in the 3 supported languages (French, English and German).
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* Design a digital watch face with a light memory footprint to be able to choose a watch face kind at run time.
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* Finish to translate all texts in the 3 supported languages (French, German and English).
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* Design a digital watch face with a light memory footprint to be able to choose a watch face kind (analog or digital) at run time.
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* Improve the step counting mechanism (reset step count every midnight).
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* Write an app to track step counts made every day.
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* Write an app to track step counts made every day (on a week for example with a graph).
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* Write an alarm app which set an RTC alarm to vibrate the watch.
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* Write a timer app with countdown and lap functionality.
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* Implement a battery save mode activated on low batterie (ie <= 10 %).
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* Implement a battery saving mode activated on low batterie (ie <= 10 %).
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* This mode would turn bluetooth off
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* This mode would decrease the screen brightness to 50 %
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* This mode would set the screen brightness to 50 %
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## Done List :
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@ -254,7 +313,7 @@ sets a white background, be able to make it also flash with a red background.
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* A compass app with temperature reading.
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* An altimeter app.
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* The find my phone app (works with GadgetBridge).
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* A settings app to set :
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* A setting app to set :
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* Time and date
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* Display settings
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* Notification settings
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