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Added a missing step in the LVGL font generation tool installation procedure, corrected some typos

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anschrammh 2024-01-28 09:17:17 +01:00
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README.md
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@ -125,7 +125,7 @@ make flash
``` ```
## Regenerating LVGL builtin fonts (to add special characters for example) : ## Regenerating LVGL builtin fonts (to add special characters for example) :
### 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 : ### If you need to modify the font by changing the default one or need to add missing characters or symbols, you'll have to install a few tools :
#### **On Windows** (every thing is done in Windows 10's Linux console) : #### **On Windows** (every thing is done in Windows 10's Linux console) :
1) Check that python3 is installed and available : 1) Check that python3 is installed and available :
```bash ```bash
@ -133,21 +133,29 @@ make flash
#If python3 is not installed, do it with : #If python3 is not installed, do it with :
sudo apt install python3 sudo apt install python3
``` ```
2) You will need to install or update nodejs (version v14+ required) as it is used to generate the fonts : 2) You will need to install or update nodejs (**version v14+ required**) as it is used to generate the fonts :
```bash ```bash
node -v node -v
#If nodejs is not installed, do it with using the Node Version Manager : #If nodejs is not installed, first install NVM (Node Version Manager) :
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.3/install.sh | bash curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.3/install.sh | bash
``` ```
3) Update your .bashrc by adding these lines at the end of it : 3) Don't forget to reload you .bashrc file, as it was modified by the NVM install script, using :
```bash
source ~/.bashrc
```
These lines were added at the end of your .bashrc file automatically :
```bash ```bash
export NVM_DIR="$HOME/.nvm" export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" # This loads nvm [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" # This loads nvm
[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion" # This loads nvm bash_completion [ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion" # This loads nvm bash_completion
``` ```
4) Don't forget to reload you .bashrc file using : 4) Now that NVM is installed and accessible, install node :
```bash ```bash
source ~/.bashrc #Then using NVM, install node, let's say version 16 :
nvm install 16
#Check the installed version number :
node -v
#My output is : v16.20.2
``` ```
5) Then having node installed, install the **[lv_font_conv](https://github.com/lvgl/lv_font_conv)** utility : 5) Then having node installed, install the **[lv_font_conv](https://github.com/lvgl/lv_font_conv)** utility :
```bash ```bash
@ -156,8 +164,8 @@ sudo npm install lv_font_conv -g
lv_font_conv -v lv_font_conv -v
#My output is : 1.5.2 #My output is : 1.5.2
``` ```
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 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
python3 the **built_in_font_gen.py** script : python3, the **built_in_font_gen.py** script :
```bash ```bash
#Here are some font regeneration examples using the tool : #Here are some font regeneration examples using the tool :
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 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