58 lines
2.1 KiB
Markdown
58 lines
2.1 KiB
Markdown
# Display driver
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\[ English | [简体中文](../../../zh-cn/device_dev_guide/graphics/Display_Driver.md) \]
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## I. openvela graphic framework
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### 1. NX Graphics
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openvela has integrated the graphics library NxWM, but due to its relatively simple functionality, it cannot meet more complex requirements.
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Currently, the openvela system has adopted the more powerful LVGL graphics library to support broader application scenarios.
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### 2. LVGL
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LVGL is the most popular free and open source embedded graphics library that can create beautiful user interfaces for any MCU, MPU and display type.
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From consumer electronics to industrial automation, any application can take advantage of LVGL's 30 built-in Widgets, 100 different style attributes, Web-like layouts and support for 30+ languages' typography systems.
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### 3. Graphics Drivers
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Common display types can be categorized into the following two types based on their data transmission bus modes:
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- Universal Mode
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- Image Transfer (Video Mode)
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Correspondingly at the driver layer, they are divided into two types:
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- Framebuffer Driver
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- Screens designed for Image Transfer (Video Mode) transmission mode.
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- Common application scenarios include:
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- TTL RGB
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- MIPI-DSI
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- LCD Driver
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- Screens designed for Universal Mode transmission mode.
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- Common application scenarios include:
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- SPI (QSPI)
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- I2C
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## II. Related Documents
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For information about graphics driver adaptation methods, please refer to:
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- [Framebuffer_Driver](./Framebuffer_Driver.md)
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- [LCD_Driver](./LCD_Driver.md)
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## III. References
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- [Understanding PinePhone's Display (MIPI DSI)](https://lupyuen.github.io/articles/dsi)
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- [Rendering PinePhone's Display (DE and TCON0)](https://lupyuen.github.io/articles/de)
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- [Vela RTOS for PinePhone: MIPI Display Serial Interface](https://lupyuen.github.io/articles/dsi3)
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- [Vela RTOS for PinePhone: Display Engine](https://lupyuen.github.io/articles/de3)
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- [Vela RTOS for PinePhone: LCD Panel](https://lupyuen.github.io/articles/lcd)
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- [Vela RTOS for PinePhone: Framebuffer](https://lupyuen.github.io/articles/fb)
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